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      1 /*
      2  * debugXML.c : This is a set of routines used for debugging the tree
      3  *              produced by the XML parser.
      4  *
      5  * See Copyright for the status of this software.
      6  *
      7  * Daniel Veillard <daniel (at) veillard.com>
      8  */
      9 
     10 #define IN_LIBXML
     11 #include "libxml.h"
     12 #ifdef LIBXML_DEBUG_ENABLED
     13 
     14 #include <string.h>
     15 #ifdef HAVE_STDLIB_H
     16 #include <stdlib.h>
     17 #endif
     18 #ifdef HAVE_STRING_H
     19 #include <string.h>
     20 #endif
     21 #include <libxml/xmlmemory.h>
     22 #include <libxml/tree.h>
     23 #include <libxml/parser.h>
     24 #include <libxml/parserInternals.h>
     25 #include <libxml/valid.h>
     26 #include <libxml/debugXML.h>
     27 #include <libxml/HTMLtree.h>
     28 #include <libxml/HTMLparser.h>
     29 #include <libxml/xmlerror.h>
     30 #include <libxml/globals.h>
     31 #include <libxml/xpathInternals.h>
     32 #include <libxml/uri.h>
     33 #ifdef LIBXML_SCHEMAS_ENABLED
     34 #include <libxml/relaxng.h>
     35 #endif
     36 
     37 #define DUMP_TEXT_TYPE 1
     38 
     39 typedef struct _xmlDebugCtxt xmlDebugCtxt;
     40 typedef xmlDebugCtxt *xmlDebugCtxtPtr;
     41 struct _xmlDebugCtxt {
     42     FILE *output;               /* the output file */
     43     char shift[101];            /* used for indenting */
     44     int depth;                  /* current depth */
     45     xmlDocPtr doc;              /* current document */
     46     xmlNodePtr node;		/* current node */
     47     xmlDictPtr dict;		/* the doc dictionnary */
     48     int check;                  /* do just checkings */
     49     int errors;                 /* number of errors found */
     50     int nodict;			/* if the document has no dictionnary */
     51     int options;		/* options */
     52 };
     53 
     54 static void xmlCtxtDumpNodeList(xmlDebugCtxtPtr ctxt, xmlNodePtr node);
     55 
     56 static void
     57 xmlCtxtDumpInitCtxt(xmlDebugCtxtPtr ctxt)
     58 {
     59     int i;
     60 
     61     ctxt->depth = 0;
     62     ctxt->check = 0;
     63     ctxt->errors = 0;
     64     ctxt->output = stdout;
     65     ctxt->doc = NULL;
     66     ctxt->node = NULL;
     67     ctxt->dict = NULL;
     68     ctxt->nodict = 0;
     69     ctxt->options = 0;
     70     for (i = 0; i < 100; i++)
     71         ctxt->shift[i] = ' ';
     72     ctxt->shift[100] = 0;
     73 }
     74 
     75 static void
     76 xmlCtxtDumpCleanCtxt(xmlDebugCtxtPtr ctxt ATTRIBUTE_UNUSED)
     77 {
     78  /* remove the ATTRIBUTE_UNUSED when this is added */
     79 }
     80 
     81 /**
     82  * xmlNsCheckScope:
     83  * @node: the node
     84  * @ns: the namespace node
     85  *
     86  * Check that a given namespace is in scope on a node.
     87  *
     88  * Returns 1 if in scope, -1 in case of argument error,
     89  *         -2 if the namespace is not in scope, and -3 if not on
     90  *         an ancestor node.
     91  */
     92 static int
     93 xmlNsCheckScope(xmlNodePtr node, xmlNsPtr ns)
     94 {
     95     xmlNsPtr cur;
     96 
     97     if ((node == NULL) || (ns == NULL))
     98         return(-1);
     99 
    100     if ((node->type != XML_ELEMENT_NODE) &&
    101 	(node->type != XML_ATTRIBUTE_NODE) &&
    102 	(node->type != XML_DOCUMENT_NODE) &&
    103 	(node->type != XML_TEXT_NODE) &&
    104 	(node->type != XML_HTML_DOCUMENT_NODE) &&
    105 	(node->type != XML_XINCLUDE_START))
    106 	return(-2);
    107 
    108     while ((node != NULL) &&
    109            ((node->type == XML_ELEMENT_NODE) ||
    110             (node->type == XML_ATTRIBUTE_NODE) ||
    111             (node->type == XML_TEXT_NODE) ||
    112 	    (node->type == XML_XINCLUDE_START))) {
    113 	if ((node->type == XML_ELEMENT_NODE) ||
    114 	    (node->type == XML_XINCLUDE_START)) {
    115 	    cur = node->nsDef;
    116 	    while (cur != NULL) {
    117 	        if (cur == ns)
    118 		    return(1);
    119 		if (xmlStrEqual(cur->prefix, ns->prefix))
    120 		    return(-2);
    121 		cur = cur->next;
    122 	    }
    123 	}
    124 	node = node->parent;
    125     }
    126     /* the xml namespace may be declared on the document node */
    127     if ((node != NULL) &&
    128         ((node->type == XML_DOCUMENT_NODE) ||
    129 	 (node->type == XML_HTML_DOCUMENT_NODE))) {
    130 	 xmlNsPtr oldNs = ((xmlDocPtr) node)->oldNs;
    131 	 if (oldNs == ns)
    132 	     return(1);
    133     }
    134     return(-3);
    135 }
    136 
    137 static void
    138 xmlCtxtDumpSpaces(xmlDebugCtxtPtr ctxt)
    139 {
    140     if (ctxt->check)
    141         return;
    142     if ((ctxt->output != NULL) && (ctxt->depth > 0)) {
    143         if (ctxt->depth < 50)
    144             fprintf(ctxt->output, "%s", &ctxt->shift[100 - 2 * ctxt->depth]);
    145         else
    146             fprintf(ctxt->output, "%s", ctxt->shift);
    147     }
    148 }
    149 
    150 /**
    151  * xmlDebugErr:
    152  * @ctxt:  a debug context
    153  * @error:  the error code
    154  *
    155  * Handle a debug error.
    156  */
    157 static void
    158 xmlDebugErr(xmlDebugCtxtPtr ctxt, int error, const char *msg)
    159 {
    160     ctxt->errors++;
    161     __xmlRaiseError(NULL, NULL, NULL,
    162 		    NULL, ctxt->node, XML_FROM_CHECK,
    163 		    error, XML_ERR_ERROR, NULL, 0,
    164 		    NULL, NULL, NULL, 0, 0,
    165 		    "%s", msg);
    166 }
    167 static void
    168 xmlDebugErr2(xmlDebugCtxtPtr ctxt, int error, const char *msg, int extra)
    169 {
    170     ctxt->errors++;
    171     __xmlRaiseError(NULL, NULL, NULL,
    172 		    NULL, ctxt->node, XML_FROM_CHECK,
    173 		    error, XML_ERR_ERROR, NULL, 0,
    174 		    NULL, NULL, NULL, 0, 0,
    175 		    msg, extra);
    176 }
    177 static void
    178 xmlDebugErr3(xmlDebugCtxtPtr ctxt, int error, const char *msg, const char *extra)
    179 {
    180     ctxt->errors++;
    181     __xmlRaiseError(NULL, NULL, NULL,
    182 		    NULL, ctxt->node, XML_FROM_CHECK,
    183 		    error, XML_ERR_ERROR, NULL, 0,
    184 		    NULL, NULL, NULL, 0, 0,
    185 		    msg, extra);
    186 }
    187 
    188 /**
    189  * xmlCtxtNsCheckScope:
    190  * @ctxt: the debugging context
    191  * @node: the node
    192  * @ns: the namespace node
    193  *
    194  * Report if a given namespace is is not in scope.
    195  */
    196 static void
    197 xmlCtxtNsCheckScope(xmlDebugCtxtPtr ctxt, xmlNodePtr node, xmlNsPtr ns)
    198 {
    199     int ret;
    200 
    201     ret = xmlNsCheckScope(node, ns);
    202     if (ret == -2) {
    203         if (ns->prefix == NULL)
    204 	    xmlDebugErr(ctxt, XML_CHECK_NS_SCOPE,
    205 			"Reference to default namespace not in scope\n");
    206 	else
    207 	    xmlDebugErr3(ctxt, XML_CHECK_NS_SCOPE,
    208 			 "Reference to namespace '%s' not in scope\n",
    209 			 (char *) ns->prefix);
    210     }
    211     if (ret == -3) {
    212         if (ns->prefix == NULL)
    213 	    xmlDebugErr(ctxt, XML_CHECK_NS_ANCESTOR,
    214 			"Reference to default namespace not on ancestor\n");
    215 	else
    216 	    xmlDebugErr3(ctxt, XML_CHECK_NS_ANCESTOR,
    217 			 "Reference to namespace '%s' not on ancestor\n",
    218 			 (char *) ns->prefix);
    219     }
    220 }
    221 
    222 /**
    223  * xmlCtxtCheckString:
    224  * @ctxt: the debug context
    225  * @str: the string
    226  *
    227  * Do debugging on the string, currently it just checks the UTF-8 content
    228  */
    229 static void
    230 xmlCtxtCheckString(xmlDebugCtxtPtr ctxt, const xmlChar * str)
    231 {
    232     if (str == NULL) return;
    233     if (ctxt->check) {
    234         if (!xmlCheckUTF8(str)) {
    235 	    xmlDebugErr3(ctxt, XML_CHECK_NOT_UTF8,
    236 			 "String is not UTF-8 %s", (const char *) str);
    237 	}
    238     }
    239 }
    240 
    241 /**
    242  * xmlCtxtCheckName:
    243  * @ctxt: the debug context
    244  * @name: the name
    245  *
    246  * Do debugging on the name, for example the dictionnary status and
    247  * conformance to the Name production.
    248  */
    249 static void
    250 xmlCtxtCheckName(xmlDebugCtxtPtr ctxt, const xmlChar * name)
    251 {
    252     if (ctxt->check) {
    253 	if (name == NULL) {
    254 	    xmlDebugErr(ctxt, XML_CHECK_NO_NAME, "Name is NULL");
    255 	    return;
    256 	}
    257         if (xmlValidateName(name, 0)) {
    258 	    xmlDebugErr3(ctxt, XML_CHECK_NOT_NCNAME,
    259 			 "Name is not an NCName '%s'", (const char *) name);
    260 	}
    261 	if ((ctxt->dict != NULL) &&
    262 	    (!xmlDictOwns(ctxt->dict, name))) {
    263 	    xmlDebugErr3(ctxt, XML_CHECK_OUTSIDE_DICT,
    264 			 "Name is not from the document dictionnary '%s'",
    265 			 (const char *) name);
    266 	}
    267     }
    268 }
    269 
    270 static void
    271 xmlCtxtGenericNodeCheck(xmlDebugCtxtPtr ctxt, xmlNodePtr node) {
    272     xmlDocPtr doc;
    273     xmlDictPtr dict;
    274 
    275     doc = node->doc;
    276 
    277     if (node->parent == NULL)
    278         xmlDebugErr(ctxt, XML_CHECK_NO_PARENT,
    279 	            "Node has no parent\n");
    280     if (node->doc == NULL) {
    281         xmlDebugErr(ctxt, XML_CHECK_NO_DOC,
    282 	            "Node has no doc\n");
    283         dict = NULL;
    284     } else {
    285 	dict = doc->dict;
    286 	if ((dict == NULL) && (ctxt->nodict == 0)) {
    287 #if 0
    288             /* desactivated right now as it raises too many errors */
    289 	    if (doc->type == XML_DOCUMENT_NODE)
    290 		xmlDebugErr(ctxt, XML_CHECK_NO_DICT,
    291 			    "Document has no dictionnary\n");
    292 #endif
    293 	    ctxt->nodict = 1;
    294 	}
    295 	if (ctxt->doc == NULL)
    296 	    ctxt->doc = doc;
    297 
    298 	if (ctxt->dict == NULL) {
    299 	    ctxt->dict = dict;
    300 	}
    301     }
    302     if ((node->parent != NULL) && (node->doc != node->parent->doc) &&
    303         (!xmlStrEqual(node->name, BAD_CAST "pseudoroot")))
    304         xmlDebugErr(ctxt, XML_CHECK_WRONG_DOC,
    305 	            "Node doc differs from parent's one\n");
    306     if (node->prev == NULL) {
    307         if (node->type == XML_ATTRIBUTE_NODE) {
    308 	    if ((node->parent != NULL) &&
    309 	        (node != (xmlNodePtr) node->parent->properties))
    310 		xmlDebugErr(ctxt, XML_CHECK_NO_PREV,
    311                     "Attr has no prev and not first of attr list\n");
    312 
    313         } else if ((node->parent != NULL) && (node->parent->children != node))
    314 	    xmlDebugErr(ctxt, XML_CHECK_NO_PREV,
    315                     "Node has no prev and not first of parent list\n");
    316     } else {
    317         if (node->prev->next != node)
    318 	    xmlDebugErr(ctxt, XML_CHECK_WRONG_PREV,
    319                         "Node prev->next : back link wrong\n");
    320     }
    321     if (node->next == NULL) {
    322 	if ((node->parent != NULL) && (node->type != XML_ATTRIBUTE_NODE) &&
    323 	    (node->parent->last != node) &&
    324 	    (node->parent->type == XML_ELEMENT_NODE))
    325 	    xmlDebugErr(ctxt, XML_CHECK_NO_NEXT,
    326                     "Node has no next and not last of parent list\n");
    327     } else {
    328         if (node->next->prev != node)
    329 	    xmlDebugErr(ctxt, XML_CHECK_WRONG_NEXT,
    330                     "Node next->prev : forward link wrong\n");
    331         if (node->next->parent != node->parent)
    332 	    xmlDebugErr(ctxt, XML_CHECK_WRONG_PARENT,
    333                     "Node next->prev : forward link wrong\n");
    334     }
    335     if (node->type == XML_ELEMENT_NODE) {
    336         xmlNsPtr ns;
    337 
    338 	ns = node->nsDef;
    339 	while (ns != NULL) {
    340 	    xmlCtxtNsCheckScope(ctxt, node, ns);
    341 	    ns = ns->next;
    342 	}
    343 	if (node->ns != NULL)
    344 	    xmlCtxtNsCheckScope(ctxt, node, node->ns);
    345     } else if (node->type == XML_ATTRIBUTE_NODE) {
    346 	if (node->ns != NULL)
    347 	    xmlCtxtNsCheckScope(ctxt, node, node->ns);
    348     }
    349 
    350     if ((node->type != XML_ELEMENT_NODE) &&
    351 	(node->type != XML_ATTRIBUTE_NODE) &&
    352 	(node->type != XML_ELEMENT_DECL) &&
    353 	(node->type != XML_ATTRIBUTE_DECL) &&
    354 	(node->type != XML_DTD_NODE) &&
    355 	(node->type != XML_ELEMENT_DECL) &&
    356 	(node->type != XML_HTML_DOCUMENT_NODE) &&
    357 	(node->type != XML_DOCUMENT_NODE)) {
    358 	if (node->content != NULL)
    359 	    xmlCtxtCheckString(ctxt, (const xmlChar *) node->content);
    360     }
    361     switch (node->type) {
    362         case XML_ELEMENT_NODE:
    363         case XML_ATTRIBUTE_NODE:
    364 	    xmlCtxtCheckName(ctxt, node->name);
    365 	    break;
    366         case XML_TEXT_NODE:
    367 	    if ((node->name == xmlStringText) ||
    368 	        (node->name == xmlStringTextNoenc))
    369 		break;
    370 	    /* some case of entity substitution can lead to this */
    371 	    if ((ctxt->dict != NULL) &&
    372 	        (node->name == xmlDictLookup(ctxt->dict, BAD_CAST "nbktext",
    373 		                             7)))
    374 		break;
    375 
    376 	    xmlDebugErr3(ctxt, XML_CHECK_WRONG_NAME,
    377 			 "Text node has wrong name '%s'",
    378 			 (const char *) node->name);
    379 	    break;
    380         case XML_COMMENT_NODE:
    381 	    if (node->name == xmlStringComment)
    382 		break;
    383 	    xmlDebugErr3(ctxt, XML_CHECK_WRONG_NAME,
    384 			 "Comment node has wrong name '%s'",
    385 			 (const char *) node->name);
    386 	    break;
    387         case XML_PI_NODE:
    388 	    xmlCtxtCheckName(ctxt, node->name);
    389 	    break;
    390         case XML_CDATA_SECTION_NODE:
    391 	    if (node->name == NULL)
    392 		break;
    393 	    xmlDebugErr3(ctxt, XML_CHECK_NAME_NOT_NULL,
    394 			 "CData section has non NULL name '%s'",
    395 			 (const char *) node->name);
    396 	    break;
    397         case XML_ENTITY_REF_NODE:
    398         case XML_ENTITY_NODE:
    399         case XML_DOCUMENT_TYPE_NODE:
    400         case XML_DOCUMENT_FRAG_NODE:
    401         case XML_NOTATION_NODE:
    402         case XML_DTD_NODE:
    403         case XML_ELEMENT_DECL:
    404         case XML_ATTRIBUTE_DECL:
    405         case XML_ENTITY_DECL:
    406         case XML_NAMESPACE_DECL:
    407         case XML_XINCLUDE_START:
    408         case XML_XINCLUDE_END:
    409 #ifdef LIBXML_DOCB_ENABLED
    410         case XML_DOCB_DOCUMENT_NODE:
    411 #endif
    412         case XML_DOCUMENT_NODE:
    413         case XML_HTML_DOCUMENT_NODE:
    414 	    break;
    415     }
    416 }
    417 
    418 static void
    419 xmlCtxtDumpString(xmlDebugCtxtPtr ctxt, const xmlChar * str)
    420 {
    421     int i;
    422 
    423     if (ctxt->check) {
    424         return;
    425     }
    426     /* TODO: check UTF8 content of the string */
    427     if (str == NULL) {
    428         fprintf(ctxt->output, "(NULL)");
    429         return;
    430     }
    431     for (i = 0; i < 40; i++)
    432         if (str[i] == 0)
    433             return;
    434         else if (IS_BLANK_CH(str[i]))
    435             fputc(' ', ctxt->output);
    436         else if (str[i] >= 0x80)
    437             fprintf(ctxt->output, "#%X", str[i]);
    438         else
    439             fputc(str[i], ctxt->output);
    440     fprintf(ctxt->output, "...");
    441 }
    442 
    443 static void
    444 xmlCtxtDumpDtdNode(xmlDebugCtxtPtr ctxt, xmlDtdPtr dtd)
    445 {
    446     xmlCtxtDumpSpaces(ctxt);
    447 
    448     if (dtd == NULL) {
    449         if (!ctxt->check)
    450             fprintf(ctxt->output, "DTD node is NULL\n");
    451         return;
    452     }
    453 
    454     if (dtd->type != XML_DTD_NODE) {
    455 	xmlDebugErr(ctxt, XML_CHECK_NOT_DTD,
    456 	            "Node is not a DTD");
    457         return;
    458     }
    459     if (!ctxt->check) {
    460         if (dtd->name != NULL)
    461             fprintf(ctxt->output, "DTD(%s)", (char *) dtd->name);
    462         else
    463             fprintf(ctxt->output, "DTD");
    464         if (dtd->ExternalID != NULL)
    465             fprintf(ctxt->output, ", PUBLIC %s", (char *) dtd->ExternalID);
    466         if (dtd->SystemID != NULL)
    467             fprintf(ctxt->output, ", SYSTEM %s", (char *) dtd->SystemID);
    468         fprintf(ctxt->output, "\n");
    469     }
    470     /*
    471      * Do a bit of checking
    472      */
    473     xmlCtxtGenericNodeCheck(ctxt, (xmlNodePtr) dtd);
    474 }
    475 
    476 static void
    477 xmlCtxtDumpAttrDecl(xmlDebugCtxtPtr ctxt, xmlAttributePtr attr)
    478 {
    479     xmlCtxtDumpSpaces(ctxt);
    480 
    481     if (attr == NULL) {
    482         if (!ctxt->check)
    483             fprintf(ctxt->output, "Attribute declaration is NULL\n");
    484         return;
    485     }
    486     if (attr->type != XML_ATTRIBUTE_DECL) {
    487 	xmlDebugErr(ctxt, XML_CHECK_NOT_ATTR_DECL,
    488 	            "Node is not an attribute declaration");
    489         return;
    490     }
    491     if (attr->name != NULL) {
    492         if (!ctxt->check)
    493             fprintf(ctxt->output, "ATTRDECL(%s)", (char *) attr->name);
    494     } else
    495 	xmlDebugErr(ctxt, XML_CHECK_NO_NAME,
    496 	            "Node attribute declaration has no name");
    497     if (attr->elem != NULL) {
    498         if (!ctxt->check)
    499             fprintf(ctxt->output, " for %s", (char *) attr->elem);
    500     } else
    501 	xmlDebugErr(ctxt, XML_CHECK_NO_ELEM,
    502 	            "Node attribute declaration has no element name");
    503     if (!ctxt->check) {
    504         switch (attr->atype) {
    505             case XML_ATTRIBUTE_CDATA:
    506                 fprintf(ctxt->output, " CDATA");
    507                 break;
    508             case XML_ATTRIBUTE_ID:
    509                 fprintf(ctxt->output, " ID");
    510                 break;
    511             case XML_ATTRIBUTE_IDREF:
    512                 fprintf(ctxt->output, " IDREF");
    513                 break;
    514             case XML_ATTRIBUTE_IDREFS:
    515                 fprintf(ctxt->output, " IDREFS");
    516                 break;
    517             case XML_ATTRIBUTE_ENTITY:
    518                 fprintf(ctxt->output, " ENTITY");
    519                 break;
    520             case XML_ATTRIBUTE_ENTITIES:
    521                 fprintf(ctxt->output, " ENTITIES");
    522                 break;
    523             case XML_ATTRIBUTE_NMTOKEN:
    524                 fprintf(ctxt->output, " NMTOKEN");
    525                 break;
    526             case XML_ATTRIBUTE_NMTOKENS:
    527                 fprintf(ctxt->output, " NMTOKENS");
    528                 break;
    529             case XML_ATTRIBUTE_ENUMERATION:
    530                 fprintf(ctxt->output, " ENUMERATION");
    531                 break;
    532             case XML_ATTRIBUTE_NOTATION:
    533                 fprintf(ctxt->output, " NOTATION ");
    534                 break;
    535         }
    536         if (attr->tree != NULL) {
    537             int indx;
    538             xmlEnumerationPtr cur = attr->tree;
    539 
    540             for (indx = 0; indx < 5; indx++) {
    541                 if (indx != 0)
    542                     fprintf(ctxt->output, "|%s", (char *) cur->name);
    543                 else
    544                     fprintf(ctxt->output, " (%s", (char *) cur->name);
    545                 cur = cur->next;
    546                 if (cur == NULL)
    547                     break;
    548             }
    549             if (cur == NULL)
    550                 fprintf(ctxt->output, ")");
    551             else
    552                 fprintf(ctxt->output, "...)");
    553         }
    554         switch (attr->def) {
    555             case XML_ATTRIBUTE_NONE:
    556                 break;
    557             case XML_ATTRIBUTE_REQUIRED:
    558                 fprintf(ctxt->output, " REQUIRED");
    559                 break;
    560             case XML_ATTRIBUTE_IMPLIED:
    561                 fprintf(ctxt->output, " IMPLIED");
    562                 break;
    563             case XML_ATTRIBUTE_FIXED:
    564                 fprintf(ctxt->output, " FIXED");
    565                 break;
    566         }
    567         if (attr->defaultValue != NULL) {
    568             fprintf(ctxt->output, "\"");
    569             xmlCtxtDumpString(ctxt, attr->defaultValue);
    570             fprintf(ctxt->output, "\"");
    571         }
    572         fprintf(ctxt->output, "\n");
    573     }
    574 
    575     /*
    576      * Do a bit of checking
    577      */
    578     xmlCtxtGenericNodeCheck(ctxt, (xmlNodePtr) attr);
    579 }
    580 
    581 static void
    582 xmlCtxtDumpElemDecl(xmlDebugCtxtPtr ctxt, xmlElementPtr elem)
    583 {
    584     xmlCtxtDumpSpaces(ctxt);
    585 
    586     if (elem == NULL) {
    587         if (!ctxt->check)
    588             fprintf(ctxt->output, "Element declaration is NULL\n");
    589         return;
    590     }
    591     if (elem->type != XML_ELEMENT_DECL) {
    592 	xmlDebugErr(ctxt, XML_CHECK_NOT_ELEM_DECL,
    593 	            "Node is not an element declaration");
    594         return;
    595     }
    596     if (elem->name != NULL) {
    597         if (!ctxt->check) {
    598             fprintf(ctxt->output, "ELEMDECL(");
    599             xmlCtxtDumpString(ctxt, elem->name);
    600             fprintf(ctxt->output, ")");
    601         }
    602     } else
    603 	xmlDebugErr(ctxt, XML_CHECK_NO_NAME,
    604 	            "Element declaration has no name");
    605     if (!ctxt->check) {
    606         switch (elem->etype) {
    607             case XML_ELEMENT_TYPE_UNDEFINED:
    608                 fprintf(ctxt->output, ", UNDEFINED");
    609                 break;
    610             case XML_ELEMENT_TYPE_EMPTY:
    611                 fprintf(ctxt->output, ", EMPTY");
    612                 break;
    613             case XML_ELEMENT_TYPE_ANY:
    614                 fprintf(ctxt->output, ", ANY");
    615                 break;
    616             case XML_ELEMENT_TYPE_MIXED:
    617                 fprintf(ctxt->output, ", MIXED ");
    618                 break;
    619             case XML_ELEMENT_TYPE_ELEMENT:
    620                 fprintf(ctxt->output, ", MIXED ");
    621                 break;
    622         }
    623         if ((elem->type != XML_ELEMENT_NODE) && (elem->content != NULL)) {
    624             char buf[5001];
    625 
    626             buf[0] = 0;
    627             xmlSnprintfElementContent(buf, 5000, elem->content, 1);
    628             buf[5000] = 0;
    629             fprintf(ctxt->output, "%s", buf);
    630         }
    631         fprintf(ctxt->output, "\n");
    632     }
    633 
    634     /*
    635      * Do a bit of checking
    636      */
    637     xmlCtxtGenericNodeCheck(ctxt, (xmlNodePtr) elem);
    638 }
    639 
    640 static void
    641 xmlCtxtDumpEntityDecl(xmlDebugCtxtPtr ctxt, xmlEntityPtr ent)
    642 {
    643     xmlCtxtDumpSpaces(ctxt);
    644 
    645     if (ent == NULL) {
    646         if (!ctxt->check)
    647             fprintf(ctxt->output, "Entity declaration is NULL\n");
    648         return;
    649     }
    650     if (ent->type != XML_ENTITY_DECL) {
    651 	xmlDebugErr(ctxt, XML_CHECK_NOT_ENTITY_DECL,
    652 	            "Node is not an entity declaration");
    653         return;
    654     }
    655     if (ent->name != NULL) {
    656         if (!ctxt->check) {
    657             fprintf(ctxt->output, "ENTITYDECL(");
    658             xmlCtxtDumpString(ctxt, ent->name);
    659             fprintf(ctxt->output, ")");
    660         }
    661     } else
    662 	xmlDebugErr(ctxt, XML_CHECK_NO_NAME,
    663 	            "Entity declaration has no name");
    664     if (!ctxt->check) {
    665         switch (ent->etype) {
    666             case XML_INTERNAL_GENERAL_ENTITY:
    667                 fprintf(ctxt->output, ", internal\n");
    668                 break;
    669             case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
    670                 fprintf(ctxt->output, ", external parsed\n");
    671                 break;
    672             case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
    673                 fprintf(ctxt->output, ", unparsed\n");
    674                 break;
    675             case XML_INTERNAL_PARAMETER_ENTITY:
    676                 fprintf(ctxt->output, ", parameter\n");
    677                 break;
    678             case XML_EXTERNAL_PARAMETER_ENTITY:
    679                 fprintf(ctxt->output, ", external parameter\n");
    680                 break;
    681             case XML_INTERNAL_PREDEFINED_ENTITY:
    682                 fprintf(ctxt->output, ", predefined\n");
    683                 break;
    684         }
    685         if (ent->ExternalID) {
    686             xmlCtxtDumpSpaces(ctxt);
    687             fprintf(ctxt->output, " ExternalID=%s\n",
    688                     (char *) ent->ExternalID);
    689         }
    690         if (ent->SystemID) {
    691             xmlCtxtDumpSpaces(ctxt);
    692             fprintf(ctxt->output, " SystemID=%s\n",
    693                     (char *) ent->SystemID);
    694         }
    695         if (ent->URI != NULL) {
    696             xmlCtxtDumpSpaces(ctxt);
    697             fprintf(ctxt->output, " URI=%s\n", (char *) ent->URI);
    698         }
    699         if (ent->content) {
    700             xmlCtxtDumpSpaces(ctxt);
    701             fprintf(ctxt->output, " content=");
    702             xmlCtxtDumpString(ctxt, ent->content);
    703             fprintf(ctxt->output, "\n");
    704         }
    705     }
    706 
    707     /*
    708      * Do a bit of checking
    709      */
    710     xmlCtxtGenericNodeCheck(ctxt, (xmlNodePtr) ent);
    711 }
    712 
    713 static void
    714 xmlCtxtDumpNamespace(xmlDebugCtxtPtr ctxt, xmlNsPtr ns)
    715 {
    716     xmlCtxtDumpSpaces(ctxt);
    717 
    718     if (ns == NULL) {
    719         if (!ctxt->check)
    720             fprintf(ctxt->output, "namespace node is NULL\n");
    721         return;
    722     }
    723     if (ns->type != XML_NAMESPACE_DECL) {
    724 	xmlDebugErr(ctxt, XML_CHECK_NOT_NS_DECL,
    725 	            "Node is not a namespace declaration");
    726         return;
    727     }
    728     if (ns->href == NULL) {
    729         if (ns->prefix != NULL)
    730 	    xmlDebugErr3(ctxt, XML_CHECK_NO_HREF,
    731                     "Incomplete namespace %s href=NULL\n",
    732                     (char *) ns->prefix);
    733         else
    734 	    xmlDebugErr(ctxt, XML_CHECK_NO_HREF,
    735                     "Incomplete default namespace href=NULL\n");
    736     } else {
    737         if (!ctxt->check) {
    738             if (ns->prefix != NULL)
    739                 fprintf(ctxt->output, "namespace %s href=",
    740                         (char *) ns->prefix);
    741             else
    742                 fprintf(ctxt->output, "default namespace href=");
    743 
    744             xmlCtxtDumpString(ctxt, ns->href);
    745             fprintf(ctxt->output, "\n");
    746         }
    747     }
    748 }
    749 
    750 static void
    751 xmlCtxtDumpNamespaceList(xmlDebugCtxtPtr ctxt, xmlNsPtr ns)
    752 {
    753     while (ns != NULL) {
    754         xmlCtxtDumpNamespace(ctxt, ns);
    755         ns = ns->next;
    756     }
    757 }
    758 
    759 static void
    760 xmlCtxtDumpEntity(xmlDebugCtxtPtr ctxt, xmlEntityPtr ent)
    761 {
    762     xmlCtxtDumpSpaces(ctxt);
    763 
    764     if (ent == NULL) {
    765         if (!ctxt->check)
    766             fprintf(ctxt->output, "Entity is NULL\n");
    767         return;
    768     }
    769     if (!ctxt->check) {
    770         switch (ent->etype) {
    771             case XML_INTERNAL_GENERAL_ENTITY:
    772                 fprintf(ctxt->output, "INTERNAL_GENERAL_ENTITY ");
    773                 break;
    774             case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
    775                 fprintf(ctxt->output, "EXTERNAL_GENERAL_PARSED_ENTITY ");
    776                 break;
    777             case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
    778                 fprintf(ctxt->output, "EXTERNAL_GENERAL_UNPARSED_ENTITY ");
    779                 break;
    780             case XML_INTERNAL_PARAMETER_ENTITY:
    781                 fprintf(ctxt->output, "INTERNAL_PARAMETER_ENTITY ");
    782                 break;
    783             case XML_EXTERNAL_PARAMETER_ENTITY:
    784                 fprintf(ctxt->output, "EXTERNAL_PARAMETER_ENTITY ");
    785                 break;
    786             default:
    787                 fprintf(ctxt->output, "ENTITY_%d ! ", (int) ent->etype);
    788         }
    789         fprintf(ctxt->output, "%s\n", ent->name);
    790         if (ent->ExternalID) {
    791             xmlCtxtDumpSpaces(ctxt);
    792             fprintf(ctxt->output, "ExternalID=%s\n",
    793                     (char *) ent->ExternalID);
    794         }
    795         if (ent->SystemID) {
    796             xmlCtxtDumpSpaces(ctxt);
    797             fprintf(ctxt->output, "SystemID=%s\n", (char *) ent->SystemID);
    798         }
    799         if (ent->URI) {
    800             xmlCtxtDumpSpaces(ctxt);
    801             fprintf(ctxt->output, "URI=%s\n", (char *) ent->URI);
    802         }
    803         if (ent->content) {
    804             xmlCtxtDumpSpaces(ctxt);
    805             fprintf(ctxt->output, "content=");
    806             xmlCtxtDumpString(ctxt, ent->content);
    807             fprintf(ctxt->output, "\n");
    808         }
    809     }
    810 }
    811 
    812 /**
    813  * xmlCtxtDumpAttr:
    814  * @output:  the FILE * for the output
    815  * @attr:  the attribute
    816  * @depth:  the indentation level.
    817  *
    818  * Dumps debug information for the attribute
    819  */
    820 static void
    821 xmlCtxtDumpAttr(xmlDebugCtxtPtr ctxt, xmlAttrPtr attr)
    822 {
    823     xmlCtxtDumpSpaces(ctxt);
    824 
    825     if (attr == NULL) {
    826         if (!ctxt->check)
    827             fprintf(ctxt->output, "Attr is NULL");
    828         return;
    829     }
    830     if (!ctxt->check) {
    831         fprintf(ctxt->output, "ATTRIBUTE ");
    832 	xmlCtxtDumpString(ctxt, attr->name);
    833         fprintf(ctxt->output, "\n");
    834         if (attr->children != NULL) {
    835             ctxt->depth++;
    836             xmlCtxtDumpNodeList(ctxt, attr->children);
    837             ctxt->depth--;
    838         }
    839     }
    840     if (attr->name == NULL)
    841 	xmlDebugErr(ctxt, XML_CHECK_NO_NAME,
    842 	            "Attribute has no name");
    843 
    844     /*
    845      * Do a bit of checking
    846      */
    847     xmlCtxtGenericNodeCheck(ctxt, (xmlNodePtr) attr);
    848 }
    849 
    850 /**
    851  * xmlCtxtDumpAttrList:
    852  * @output:  the FILE * for the output
    853  * @attr:  the attribute list
    854  * @depth:  the indentation level.
    855  *
    856  * Dumps debug information for the attribute list
    857  */
    858 static void
    859 xmlCtxtDumpAttrList(xmlDebugCtxtPtr ctxt, xmlAttrPtr attr)
    860 {
    861     while (attr != NULL) {
    862         xmlCtxtDumpAttr(ctxt, attr);
    863         attr = attr->next;
    864     }
    865 }
    866 
    867 /**
    868  * xmlCtxtDumpOneNode:
    869  * @output:  the FILE * for the output
    870  * @node:  the node
    871  * @depth:  the indentation level.
    872  *
    873  * Dumps debug information for the element node, it is not recursive
    874  */
    875 static void
    876 xmlCtxtDumpOneNode(xmlDebugCtxtPtr ctxt, xmlNodePtr node)
    877 {
    878     if (node == NULL) {
    879         if (!ctxt->check) {
    880             xmlCtxtDumpSpaces(ctxt);
    881             fprintf(ctxt->output, "node is NULL\n");
    882         }
    883         return;
    884     }
    885     ctxt->node = node;
    886 
    887     switch (node->type) {
    888         case XML_ELEMENT_NODE:
    889             if (!ctxt->check) {
    890                 xmlCtxtDumpSpaces(ctxt);
    891                 fprintf(ctxt->output, "ELEMENT ");
    892                 if ((node->ns != NULL) && (node->ns->prefix != NULL)) {
    893                     xmlCtxtDumpString(ctxt, node->ns->prefix);
    894                     fprintf(ctxt->output, ":");
    895                 }
    896                 xmlCtxtDumpString(ctxt, node->name);
    897                 fprintf(ctxt->output, "\n");
    898             }
    899             break;
    900         case XML_ATTRIBUTE_NODE:
    901             if (!ctxt->check)
    902                 xmlCtxtDumpSpaces(ctxt);
    903             fprintf(ctxt->output, "Error, ATTRIBUTE found here\n");
    904             xmlCtxtGenericNodeCheck(ctxt, node);
    905             return;
    906         case XML_TEXT_NODE:
    907             if (!ctxt->check) {
    908                 xmlCtxtDumpSpaces(ctxt);
    909                 if (node->name == (const xmlChar *) xmlStringTextNoenc)
    910                     fprintf(ctxt->output, "TEXT no enc");
    911                 else
    912                     fprintf(ctxt->output, "TEXT");
    913 		if (ctxt->options & DUMP_TEXT_TYPE) {
    914 		    if (node->content == (xmlChar *) &(node->properties))
    915 			fprintf(ctxt->output, " compact\n");
    916 		    else if (xmlDictOwns(ctxt->dict, node->content) == 1)
    917 			fprintf(ctxt->output, " interned\n");
    918 		    else
    919 			fprintf(ctxt->output, "\n");
    920 		} else
    921 		    fprintf(ctxt->output, "\n");
    922             }
    923             break;
    924         case XML_CDATA_SECTION_NODE:
    925             if (!ctxt->check) {
    926                 xmlCtxtDumpSpaces(ctxt);
    927                 fprintf(ctxt->output, "CDATA_SECTION\n");
    928             }
    929             break;
    930         case XML_ENTITY_REF_NODE:
    931             if (!ctxt->check) {
    932                 xmlCtxtDumpSpaces(ctxt);
    933                 fprintf(ctxt->output, "ENTITY_REF(%s)\n",
    934                         (char *) node->name);
    935             }
    936             break;
    937         case XML_ENTITY_NODE:
    938             if (!ctxt->check) {
    939                 xmlCtxtDumpSpaces(ctxt);
    940                 fprintf(ctxt->output, "ENTITY\n");
    941             }
    942             break;
    943         case XML_PI_NODE:
    944             if (!ctxt->check) {
    945                 xmlCtxtDumpSpaces(ctxt);
    946                 fprintf(ctxt->output, "PI %s\n", (char *) node->name);
    947             }
    948             break;
    949         case XML_COMMENT_NODE:
    950             if (!ctxt->check) {
    951                 xmlCtxtDumpSpaces(ctxt);
    952                 fprintf(ctxt->output, "COMMENT\n");
    953             }
    954             break;
    955         case XML_DOCUMENT_NODE:
    956         case XML_HTML_DOCUMENT_NODE:
    957             if (!ctxt->check) {
    958                 xmlCtxtDumpSpaces(ctxt);
    959             }
    960             fprintf(ctxt->output, "Error, DOCUMENT found here\n");
    961             xmlCtxtGenericNodeCheck(ctxt, node);
    962             return;
    963         case XML_DOCUMENT_TYPE_NODE:
    964             if (!ctxt->check) {
    965                 xmlCtxtDumpSpaces(ctxt);
    966                 fprintf(ctxt->output, "DOCUMENT_TYPE\n");
    967             }
    968             break;
    969         case XML_DOCUMENT_FRAG_NODE:
    970             if (!ctxt->check) {
    971                 xmlCtxtDumpSpaces(ctxt);
    972                 fprintf(ctxt->output, "DOCUMENT_FRAG\n");
    973             }
    974             break;
    975         case XML_NOTATION_NODE:
    976             if (!ctxt->check) {
    977                 xmlCtxtDumpSpaces(ctxt);
    978                 fprintf(ctxt->output, "NOTATION\n");
    979             }
    980             break;
    981         case XML_DTD_NODE:
    982             xmlCtxtDumpDtdNode(ctxt, (xmlDtdPtr) node);
    983             return;
    984         case XML_ELEMENT_DECL:
    985             xmlCtxtDumpElemDecl(ctxt, (xmlElementPtr) node);
    986             return;
    987         case XML_ATTRIBUTE_DECL:
    988             xmlCtxtDumpAttrDecl(ctxt, (xmlAttributePtr) node);
    989             return;
    990         case XML_ENTITY_DECL:
    991             xmlCtxtDumpEntityDecl(ctxt, (xmlEntityPtr) node);
    992             return;
    993         case XML_NAMESPACE_DECL:
    994             xmlCtxtDumpNamespace(ctxt, (xmlNsPtr) node);
    995             return;
    996         case XML_XINCLUDE_START:
    997             if (!ctxt->check) {
    998                 xmlCtxtDumpSpaces(ctxt);
    999                 fprintf(ctxt->output, "INCLUDE START\n");
   1000             }
   1001             return;
   1002         case XML_XINCLUDE_END:
   1003             if (!ctxt->check) {
   1004                 xmlCtxtDumpSpaces(ctxt);
   1005                 fprintf(ctxt->output, "INCLUDE END\n");
   1006             }
   1007             return;
   1008         default:
   1009             if (!ctxt->check)
   1010                 xmlCtxtDumpSpaces(ctxt);
   1011 	    xmlDebugErr2(ctxt, XML_CHECK_UNKNOWN_NODE,
   1012 	                "Unknown node type %d\n", node->type);
   1013             return;
   1014     }
   1015     if (node->doc == NULL) {
   1016         if (!ctxt->check) {
   1017             xmlCtxtDumpSpaces(ctxt);
   1018         }
   1019         fprintf(ctxt->output, "PBM: doc == NULL !!!\n");
   1020     }
   1021     ctxt->depth++;
   1022     if ((node->type == XML_ELEMENT_NODE) && (node->nsDef != NULL))
   1023         xmlCtxtDumpNamespaceList(ctxt, node->nsDef);
   1024     if ((node->type == XML_ELEMENT_NODE) && (node->properties != NULL))
   1025         xmlCtxtDumpAttrList(ctxt, node->properties);
   1026     if (node->type != XML_ENTITY_REF_NODE) {
   1027         if ((node->type != XML_ELEMENT_NODE) && (node->content != NULL)) {
   1028             if (!ctxt->check) {
   1029                 xmlCtxtDumpSpaces(ctxt);
   1030                 fprintf(ctxt->output, "content=");
   1031                 xmlCtxtDumpString(ctxt, node->content);
   1032                 fprintf(ctxt->output, "\n");
   1033             }
   1034         }
   1035     } else {
   1036         xmlEntityPtr ent;
   1037 
   1038         ent = xmlGetDocEntity(node->doc, node->name);
   1039         if (ent != NULL)
   1040             xmlCtxtDumpEntity(ctxt, ent);
   1041     }
   1042     ctxt->depth--;
   1043 
   1044     /*
   1045      * Do a bit of checking
   1046      */
   1047     xmlCtxtGenericNodeCheck(ctxt, node);
   1048 }
   1049 
   1050 /**
   1051  * xmlCtxtDumpNode:
   1052  * @output:  the FILE * for the output
   1053  * @node:  the node
   1054  * @depth:  the indentation level.
   1055  *
   1056  * Dumps debug information for the element node, it is recursive
   1057  */
   1058 static void
   1059 xmlCtxtDumpNode(xmlDebugCtxtPtr ctxt, xmlNodePtr node)
   1060 {
   1061     if (node == NULL) {
   1062         if (!ctxt->check) {
   1063             xmlCtxtDumpSpaces(ctxt);
   1064             fprintf(ctxt->output, "node is NULL\n");
   1065         }
   1066         return;
   1067     }
   1068     xmlCtxtDumpOneNode(ctxt, node);
   1069     if ((node->type != XML_NAMESPACE_DECL) &&
   1070         (node->children != NULL) && (node->type != XML_ENTITY_REF_NODE)) {
   1071         ctxt->depth++;
   1072         xmlCtxtDumpNodeList(ctxt, node->children);
   1073         ctxt->depth--;
   1074     }
   1075 }
   1076 
   1077 /**
   1078  * xmlCtxtDumpNodeList:
   1079  * @output:  the FILE * for the output
   1080  * @node:  the node list
   1081  * @depth:  the indentation level.
   1082  *
   1083  * Dumps debug information for the list of element node, it is recursive
   1084  */
   1085 static void
   1086 xmlCtxtDumpNodeList(xmlDebugCtxtPtr ctxt, xmlNodePtr node)
   1087 {
   1088     while (node != NULL) {
   1089         xmlCtxtDumpNode(ctxt, node);
   1090         node = node->next;
   1091     }
   1092 }
   1093 
   1094 static void
   1095 xmlCtxtDumpDocHead(xmlDebugCtxtPtr ctxt, xmlDocPtr doc)
   1096 {
   1097     if (doc == NULL) {
   1098         if (!ctxt->check)
   1099             fprintf(ctxt->output, "DOCUMENT == NULL !\n");
   1100         return;
   1101     }
   1102     ctxt->node = (xmlNodePtr) doc;
   1103 
   1104     switch (doc->type) {
   1105         case XML_ELEMENT_NODE:
   1106 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_ELEMENT,
   1107 	                "Misplaced ELEMENT node\n");
   1108             break;
   1109         case XML_ATTRIBUTE_NODE:
   1110 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_ATTRIBUTE,
   1111 	                "Misplaced ATTRIBUTE node\n");
   1112             break;
   1113         case XML_TEXT_NODE:
   1114 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_TEXT,
   1115 	                "Misplaced TEXT node\n");
   1116             break;
   1117         case XML_CDATA_SECTION_NODE:
   1118 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_CDATA,
   1119 	                "Misplaced CDATA node\n");
   1120             break;
   1121         case XML_ENTITY_REF_NODE:
   1122 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_ENTITYREF,
   1123 	                "Misplaced ENTITYREF node\n");
   1124             break;
   1125         case XML_ENTITY_NODE:
   1126 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_ENTITY,
   1127 	                "Misplaced ENTITY node\n");
   1128             break;
   1129         case XML_PI_NODE:
   1130 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_PI,
   1131 	                "Misplaced PI node\n");
   1132             break;
   1133         case XML_COMMENT_NODE:
   1134 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_COMMENT,
   1135 	                "Misplaced COMMENT node\n");
   1136             break;
   1137         case XML_DOCUMENT_NODE:
   1138 	    if (!ctxt->check)
   1139 		fprintf(ctxt->output, "DOCUMENT\n");
   1140             break;
   1141         case XML_HTML_DOCUMENT_NODE:
   1142 	    if (!ctxt->check)
   1143 		fprintf(ctxt->output, "HTML DOCUMENT\n");
   1144             break;
   1145         case XML_DOCUMENT_TYPE_NODE:
   1146 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_DOCTYPE,
   1147 	                "Misplaced DOCTYPE node\n");
   1148             break;
   1149         case XML_DOCUMENT_FRAG_NODE:
   1150 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_FRAGMENT,
   1151 	                "Misplaced FRAGMENT node\n");
   1152             break;
   1153         case XML_NOTATION_NODE:
   1154 	    xmlDebugErr(ctxt, XML_CHECK_FOUND_NOTATION,
   1155 	                "Misplaced NOTATION node\n");
   1156             break;
   1157         default:
   1158 	    xmlDebugErr2(ctxt, XML_CHECK_UNKNOWN_NODE,
   1159 	                "Unknown node type %d\n", doc->type);
   1160     }
   1161 }
   1162 
   1163 /**
   1164  * xmlCtxtDumpDocumentHead:
   1165  * @output:  the FILE * for the output
   1166  * @doc:  the document
   1167  *
   1168  * Dumps debug information cncerning the document, not recursive
   1169  */
   1170 static void
   1171 xmlCtxtDumpDocumentHead(xmlDebugCtxtPtr ctxt, xmlDocPtr doc)
   1172 {
   1173     if (doc == NULL) return;
   1174     xmlCtxtDumpDocHead(ctxt, doc);
   1175     if (!ctxt->check) {
   1176         if (doc->name != NULL) {
   1177             fprintf(ctxt->output, "name=");
   1178             xmlCtxtDumpString(ctxt, BAD_CAST doc->name);
   1179             fprintf(ctxt->output, "\n");
   1180         }
   1181         if (doc->version != NULL) {
   1182             fprintf(ctxt->output, "version=");
   1183             xmlCtxtDumpString(ctxt, doc->version);
   1184             fprintf(ctxt->output, "\n");
   1185         }
   1186         if (doc->encoding != NULL) {
   1187             fprintf(ctxt->output, "encoding=");
   1188             xmlCtxtDumpString(ctxt, doc->encoding);
   1189             fprintf(ctxt->output, "\n");
   1190         }
   1191         if (doc->URL != NULL) {
   1192             fprintf(ctxt->output, "URL=");
   1193             xmlCtxtDumpString(ctxt, doc->URL);
   1194             fprintf(ctxt->output, "\n");
   1195         }
   1196         if (doc->standalone)
   1197             fprintf(ctxt->output, "standalone=true\n");
   1198     }
   1199     if (doc->oldNs != NULL)
   1200         xmlCtxtDumpNamespaceList(ctxt, doc->oldNs);
   1201 }
   1202 
   1203 /**
   1204  * xmlCtxtDumpDocument:
   1205  * @output:  the FILE * for the output
   1206  * @doc:  the document
   1207  *
   1208  * Dumps debug information for the document, it's recursive
   1209  */
   1210 static void
   1211 xmlCtxtDumpDocument(xmlDebugCtxtPtr ctxt, xmlDocPtr doc)
   1212 {
   1213     if (doc == NULL) {
   1214         if (!ctxt->check)
   1215             fprintf(ctxt->output, "DOCUMENT == NULL !\n");
   1216         return;
   1217     }
   1218     xmlCtxtDumpDocumentHead(ctxt, doc);
   1219     if (((doc->type == XML_DOCUMENT_NODE) ||
   1220          (doc->type == XML_HTML_DOCUMENT_NODE))
   1221         && (doc->children != NULL)) {
   1222         ctxt->depth++;
   1223         xmlCtxtDumpNodeList(ctxt, doc->children);
   1224         ctxt->depth--;
   1225     }
   1226 }
   1227 
   1228 static void
   1229 xmlCtxtDumpEntityCallback(xmlEntityPtr cur, xmlDebugCtxtPtr ctxt)
   1230 {
   1231     if (cur == NULL) {
   1232         if (!ctxt->check)
   1233             fprintf(ctxt->output, "Entity is NULL");
   1234         return;
   1235     }
   1236     if (!ctxt->check) {
   1237         fprintf(ctxt->output, "%s : ", (char *) cur->name);
   1238         switch (cur->etype) {
   1239             case XML_INTERNAL_GENERAL_ENTITY:
   1240                 fprintf(ctxt->output, "INTERNAL GENERAL, ");
   1241                 break;
   1242             case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
   1243                 fprintf(ctxt->output, "EXTERNAL PARSED, ");
   1244                 break;
   1245             case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
   1246                 fprintf(ctxt->output, "EXTERNAL UNPARSED, ");
   1247                 break;
   1248             case XML_INTERNAL_PARAMETER_ENTITY:
   1249                 fprintf(ctxt->output, "INTERNAL PARAMETER, ");
   1250                 break;
   1251             case XML_EXTERNAL_PARAMETER_ENTITY:
   1252                 fprintf(ctxt->output, "EXTERNAL PARAMETER, ");
   1253                 break;
   1254             default:
   1255 		xmlDebugErr2(ctxt, XML_CHECK_ENTITY_TYPE,
   1256 			     "Unknown entity type %d\n", cur->etype);
   1257         }
   1258         if (cur->ExternalID != NULL)
   1259             fprintf(ctxt->output, "ID \"%s\"", (char *) cur->ExternalID);
   1260         if (cur->SystemID != NULL)
   1261             fprintf(ctxt->output, "SYSTEM \"%s\"", (char *) cur->SystemID);
   1262         if (cur->orig != NULL)
   1263             fprintf(ctxt->output, "\n orig \"%s\"", (char *) cur->orig);
   1264         if ((cur->type != XML_ELEMENT_NODE) && (cur->content != NULL))
   1265             fprintf(ctxt->output, "\n content \"%s\"",
   1266                     (char *) cur->content);
   1267         fprintf(ctxt->output, "\n");
   1268     }
   1269 }
   1270 
   1271 /**
   1272  * xmlCtxtDumpEntities:
   1273  * @output:  the FILE * for the output
   1274  * @doc:  the document
   1275  *
   1276  * Dumps debug information for all the entities in use by the document
   1277  */
   1278 static void
   1279 xmlCtxtDumpEntities(xmlDebugCtxtPtr ctxt, xmlDocPtr doc)
   1280 {
   1281     if (doc == NULL) return;
   1282     xmlCtxtDumpDocHead(ctxt, doc);
   1283     if ((doc->intSubset != NULL) && (doc->intSubset->entities != NULL)) {
   1284         xmlEntitiesTablePtr table = (xmlEntitiesTablePtr)
   1285             doc->intSubset->entities;
   1286 
   1287         if (!ctxt->check)
   1288             fprintf(ctxt->output, "Entities in internal subset\n");
   1289         xmlHashScan(table, (xmlHashScanner) xmlCtxtDumpEntityCallback,
   1290                     ctxt);
   1291     } else
   1292         fprintf(ctxt->output, "No entities in internal subset\n");
   1293     if ((doc->extSubset != NULL) && (doc->extSubset->entities != NULL)) {
   1294         xmlEntitiesTablePtr table = (xmlEntitiesTablePtr)
   1295             doc->extSubset->entities;
   1296 
   1297         if (!ctxt->check)
   1298             fprintf(ctxt->output, "Entities in external subset\n");
   1299         xmlHashScan(table, (xmlHashScanner) xmlCtxtDumpEntityCallback,
   1300                     ctxt);
   1301     } else if (!ctxt->check)
   1302         fprintf(ctxt->output, "No entities in external subset\n");
   1303 }
   1304 
   1305 /**
   1306  * xmlCtxtDumpDTD:
   1307  * @output:  the FILE * for the output
   1308  * @dtd:  the DTD
   1309  *
   1310  * Dumps debug information for the DTD
   1311  */
   1312 static void
   1313 xmlCtxtDumpDTD(xmlDebugCtxtPtr ctxt, xmlDtdPtr dtd)
   1314 {
   1315     if (dtd == NULL) {
   1316         if (!ctxt->check)
   1317             fprintf(ctxt->output, "DTD is NULL\n");
   1318         return;
   1319     }
   1320     xmlCtxtDumpDtdNode(ctxt, dtd);
   1321     if (dtd->children == NULL)
   1322         fprintf(ctxt->output, "    DTD is empty\n");
   1323     else {
   1324         ctxt->depth++;
   1325         xmlCtxtDumpNodeList(ctxt, dtd->children);
   1326         ctxt->depth--;
   1327     }
   1328 }
   1329 
   1330 /************************************************************************
   1331  *									*
   1332  *			Public entry points for dump			*
   1333  *									*
   1334  ************************************************************************/
   1335 
   1336 /**
   1337  * xmlDebugDumpString:
   1338  * @output:  the FILE * for the output
   1339  * @str:  the string
   1340  *
   1341  * Dumps informations about the string, shorten it if necessary
   1342  */
   1343 void
   1344 xmlDebugDumpString(FILE * output, const xmlChar * str)
   1345 {
   1346     int i;
   1347 
   1348     if (output == NULL)
   1349 	output = stdout;
   1350     if (str == NULL) {
   1351         fprintf(output, "(NULL)");
   1352         return;
   1353     }
   1354     for (i = 0; i < 40; i++)
   1355         if (str[i] == 0)
   1356             return;
   1357         else if (IS_BLANK_CH(str[i]))
   1358             fputc(' ', output);
   1359         else if (str[i] >= 0x80)
   1360             fprintf(output, "#%X", str[i]);
   1361         else
   1362             fputc(str[i], output);
   1363     fprintf(output, "...");
   1364 }
   1365 
   1366 /**
   1367  * xmlDebugDumpAttr:
   1368  * @output:  the FILE * for the output
   1369  * @attr:  the attribute
   1370  * @depth:  the indentation level.
   1371  *
   1372  * Dumps debug information for the attribute
   1373  */
   1374 void
   1375 xmlDebugDumpAttr(FILE *output, xmlAttrPtr attr, int depth) {
   1376     xmlDebugCtxt ctxt;
   1377 
   1378     if (output == NULL) return;
   1379     xmlCtxtDumpInitCtxt(&ctxt);
   1380     ctxt.output = output;
   1381     ctxt.depth = depth;
   1382     xmlCtxtDumpAttr(&ctxt, attr);
   1383     xmlCtxtDumpCleanCtxt(&ctxt);
   1384 }
   1385 
   1386 
   1387 /**
   1388  * xmlDebugDumpEntities:
   1389  * @output:  the FILE * for the output
   1390  * @doc:  the document
   1391  *
   1392  * Dumps debug information for all the entities in use by the document
   1393  */
   1394 void
   1395 xmlDebugDumpEntities(FILE * output, xmlDocPtr doc)
   1396 {
   1397     xmlDebugCtxt ctxt;
   1398 
   1399     if (output == NULL) return;
   1400     xmlCtxtDumpInitCtxt(&ctxt);
   1401     ctxt.output = output;
   1402     xmlCtxtDumpEntities(&ctxt, doc);
   1403     xmlCtxtDumpCleanCtxt(&ctxt);
   1404 }
   1405 
   1406 /**
   1407  * xmlDebugDumpAttrList:
   1408  * @output:  the FILE * for the output
   1409  * @attr:  the attribute list
   1410  * @depth:  the indentation level.
   1411  *
   1412  * Dumps debug information for the attribute list
   1413  */
   1414 void
   1415 xmlDebugDumpAttrList(FILE * output, xmlAttrPtr attr, int depth)
   1416 {
   1417     xmlDebugCtxt ctxt;
   1418 
   1419     if (output == NULL) return;
   1420     xmlCtxtDumpInitCtxt(&ctxt);
   1421     ctxt.output = output;
   1422     ctxt.depth = depth;
   1423     xmlCtxtDumpAttrList(&ctxt, attr);
   1424     xmlCtxtDumpCleanCtxt(&ctxt);
   1425 }
   1426 
   1427 /**
   1428  * xmlDebugDumpOneNode:
   1429  * @output:  the FILE * for the output
   1430  * @node:  the node
   1431  * @depth:  the indentation level.
   1432  *
   1433  * Dumps debug information for the element node, it is not recursive
   1434  */
   1435 void
   1436 xmlDebugDumpOneNode(FILE * output, xmlNodePtr node, int depth)
   1437 {
   1438     xmlDebugCtxt ctxt;
   1439 
   1440     if (output == NULL) return;
   1441     xmlCtxtDumpInitCtxt(&ctxt);
   1442     ctxt.output = output;
   1443     ctxt.depth = depth;
   1444     xmlCtxtDumpOneNode(&ctxt, node);
   1445     xmlCtxtDumpCleanCtxt(&ctxt);
   1446 }
   1447 
   1448 /**
   1449  * xmlDebugDumpNode:
   1450  * @output:  the FILE * for the output
   1451  * @node:  the node
   1452  * @depth:  the indentation level.
   1453  *
   1454  * Dumps debug information for the element node, it is recursive
   1455  */
   1456 void
   1457 xmlDebugDumpNode(FILE * output, xmlNodePtr node, int depth)
   1458 {
   1459     xmlDebugCtxt ctxt;
   1460 
   1461     if (output == NULL)
   1462 	output = stdout;
   1463     xmlCtxtDumpInitCtxt(&ctxt);
   1464     ctxt.output = output;
   1465     ctxt.depth = depth;
   1466     xmlCtxtDumpNode(&ctxt, node);
   1467     xmlCtxtDumpCleanCtxt(&ctxt);
   1468 }
   1469 
   1470 /**
   1471  * xmlDebugDumpNodeList:
   1472  * @output:  the FILE * for the output
   1473  * @node:  the node list
   1474  * @depth:  the indentation level.
   1475  *
   1476  * Dumps debug information for the list of element node, it is recursive
   1477  */
   1478 void
   1479 xmlDebugDumpNodeList(FILE * output, xmlNodePtr node, int depth)
   1480 {
   1481     xmlDebugCtxt ctxt;
   1482 
   1483     if (output == NULL)
   1484 	output = stdout;
   1485     xmlCtxtDumpInitCtxt(&ctxt);
   1486     ctxt.output = output;
   1487     ctxt.depth = depth;
   1488     xmlCtxtDumpNodeList(&ctxt, node);
   1489     xmlCtxtDumpCleanCtxt(&ctxt);
   1490 }
   1491 
   1492 /**
   1493  * xmlDebugDumpDocumentHead:
   1494  * @output:  the FILE * for the output
   1495  * @doc:  the document
   1496  *
   1497  * Dumps debug information cncerning the document, not recursive
   1498  */
   1499 void
   1500 xmlDebugDumpDocumentHead(FILE * output, xmlDocPtr doc)
   1501 {
   1502     xmlDebugCtxt ctxt;
   1503 
   1504     if (output == NULL)
   1505 	output = stdout;
   1506     xmlCtxtDumpInitCtxt(&ctxt);
   1507     ctxt.options |= DUMP_TEXT_TYPE;
   1508     ctxt.output = output;
   1509     xmlCtxtDumpDocumentHead(&ctxt, doc);
   1510     xmlCtxtDumpCleanCtxt(&ctxt);
   1511 }
   1512 
   1513 /**
   1514  * xmlDebugDumpDocument:
   1515  * @output:  the FILE * for the output
   1516  * @doc:  the document
   1517  *
   1518  * Dumps debug information for the document, it's recursive
   1519  */
   1520 void
   1521 xmlDebugDumpDocument(FILE * output, xmlDocPtr doc)
   1522 {
   1523     xmlDebugCtxt ctxt;
   1524 
   1525     if (output == NULL)
   1526 	output = stdout;
   1527     xmlCtxtDumpInitCtxt(&ctxt);
   1528     ctxt.options |= DUMP_TEXT_TYPE;
   1529     ctxt.output = output;
   1530     xmlCtxtDumpDocument(&ctxt, doc);
   1531     xmlCtxtDumpCleanCtxt(&ctxt);
   1532 }
   1533 
   1534 /**
   1535  * xmlDebugDumpDTD:
   1536  * @output:  the FILE * for the output
   1537  * @dtd:  the DTD
   1538  *
   1539  * Dumps debug information for the DTD
   1540  */
   1541 void
   1542 xmlDebugDumpDTD(FILE * output, xmlDtdPtr dtd)
   1543 {
   1544     xmlDebugCtxt ctxt;
   1545 
   1546     if (output == NULL)
   1547 	output = stdout;
   1548     xmlCtxtDumpInitCtxt(&ctxt);
   1549     ctxt.options |= DUMP_TEXT_TYPE;
   1550     ctxt.output = output;
   1551     xmlCtxtDumpDTD(&ctxt, dtd);
   1552     xmlCtxtDumpCleanCtxt(&ctxt);
   1553 }
   1554 
   1555 /************************************************************************
   1556  *									*
   1557  *			Public entry points for checkings		*
   1558  *									*
   1559  ************************************************************************/
   1560 
   1561 /**
   1562  * xmlDebugCheckDocument:
   1563  * @output:  the FILE * for the output
   1564  * @doc:  the document
   1565  *
   1566  * Check the document for potential content problems, and output
   1567  * the errors to @output
   1568  *
   1569  * Returns the number of errors found
   1570  */
   1571 int
   1572 xmlDebugCheckDocument(FILE * output, xmlDocPtr doc)
   1573 {
   1574     xmlDebugCtxt ctxt;
   1575 
   1576     if (output == NULL)
   1577 	output = stdout;
   1578     xmlCtxtDumpInitCtxt(&ctxt);
   1579     ctxt.output = output;
   1580     ctxt.check = 1;
   1581     xmlCtxtDumpDocument(&ctxt, doc);
   1582     xmlCtxtDumpCleanCtxt(&ctxt);
   1583     return(ctxt.errors);
   1584 }
   1585 
   1586 /************************************************************************
   1587  *									*
   1588  *			Helpers for Shell				*
   1589  *									*
   1590  ************************************************************************/
   1591 
   1592 /**
   1593  * xmlLsCountNode:
   1594  * @node:  the node to count
   1595  *
   1596  * Count the children of @node.
   1597  *
   1598  * Returns the number of children of @node.
   1599  */
   1600 int
   1601 xmlLsCountNode(xmlNodePtr node) {
   1602     int ret = 0;
   1603     xmlNodePtr list = NULL;
   1604 
   1605     if (node == NULL)
   1606 	return(0);
   1607 
   1608     switch (node->type) {
   1609 	case XML_ELEMENT_NODE:
   1610 	    list = node->children;
   1611 	    break;
   1612 	case XML_DOCUMENT_NODE:
   1613 	case XML_HTML_DOCUMENT_NODE:
   1614 #ifdef LIBXML_DOCB_ENABLED
   1615 	case XML_DOCB_DOCUMENT_NODE:
   1616 #endif
   1617 	    list = ((xmlDocPtr) node)->children;
   1618 	    break;
   1619 	case XML_ATTRIBUTE_NODE:
   1620 	    list = ((xmlAttrPtr) node)->children;
   1621 	    break;
   1622 	case XML_TEXT_NODE:
   1623 	case XML_CDATA_SECTION_NODE:
   1624 	case XML_PI_NODE:
   1625 	case XML_COMMENT_NODE:
   1626 	    if (node->content != NULL) {
   1627 		ret = xmlStrlen(node->content);
   1628             }
   1629 	    break;
   1630 	case XML_ENTITY_REF_NODE:
   1631 	case XML_DOCUMENT_TYPE_NODE:
   1632 	case XML_ENTITY_NODE:
   1633 	case XML_DOCUMENT_FRAG_NODE:
   1634 	case XML_NOTATION_NODE:
   1635 	case XML_DTD_NODE:
   1636         case XML_ELEMENT_DECL:
   1637         case XML_ATTRIBUTE_DECL:
   1638         case XML_ENTITY_DECL:
   1639 	case XML_NAMESPACE_DECL:
   1640 	case XML_XINCLUDE_START:
   1641 	case XML_XINCLUDE_END:
   1642 	    ret = 1;
   1643 	    break;
   1644     }
   1645     for (;list != NULL;ret++)
   1646         list = list->next;
   1647     return(ret);
   1648 }
   1649 
   1650 /**
   1651  * xmlLsOneNode:
   1652  * @output:  the FILE * for the output
   1653  * @node:  the node to dump
   1654  *
   1655  * Dump to @output the type and name of @node.
   1656  */
   1657 void
   1658 xmlLsOneNode(FILE *output, xmlNodePtr node) {
   1659     if (output == NULL) return;
   1660     if (node == NULL) {
   1661 	fprintf(output, "NULL\n");
   1662 	return;
   1663     }
   1664     switch (node->type) {
   1665 	case XML_ELEMENT_NODE:
   1666 	    fprintf(output, "-");
   1667 	    break;
   1668 	case XML_ATTRIBUTE_NODE:
   1669 	    fprintf(output, "a");
   1670 	    break;
   1671 	case XML_TEXT_NODE:
   1672 	    fprintf(output, "t");
   1673 	    break;
   1674 	case XML_CDATA_SECTION_NODE:
   1675 	    fprintf(output, "C");
   1676 	    break;
   1677 	case XML_ENTITY_REF_NODE:
   1678 	    fprintf(output, "e");
   1679 	    break;
   1680 	case XML_ENTITY_NODE:
   1681 	    fprintf(output, "E");
   1682 	    break;
   1683 	case XML_PI_NODE:
   1684 	    fprintf(output, "p");
   1685 	    break;
   1686 	case XML_COMMENT_NODE:
   1687 	    fprintf(output, "c");
   1688 	    break;
   1689 	case XML_DOCUMENT_NODE:
   1690 	    fprintf(output, "d");
   1691 	    break;
   1692 	case XML_HTML_DOCUMENT_NODE:
   1693 	    fprintf(output, "h");
   1694 	    break;
   1695 	case XML_DOCUMENT_TYPE_NODE:
   1696 	    fprintf(output, "T");
   1697 	    break;
   1698 	case XML_DOCUMENT_FRAG_NODE:
   1699 	    fprintf(output, "F");
   1700 	    break;
   1701 	case XML_NOTATION_NODE:
   1702 	    fprintf(output, "N");
   1703 	    break;
   1704 	case XML_NAMESPACE_DECL:
   1705 	    fprintf(output, "n");
   1706 	    break;
   1707 	default:
   1708 	    fprintf(output, "?");
   1709     }
   1710     if (node->type != XML_NAMESPACE_DECL) {
   1711 	if (node->properties != NULL)
   1712 	    fprintf(output, "a");
   1713 	else
   1714 	    fprintf(output, "-");
   1715 	if (node->nsDef != NULL)
   1716 	    fprintf(output, "n");
   1717 	else
   1718 	    fprintf(output, "-");
   1719     }
   1720 
   1721     fprintf(output, " %8d ", xmlLsCountNode(node));
   1722 
   1723     switch (node->type) {
   1724 	case XML_ELEMENT_NODE:
   1725 	    if (node->name != NULL)
   1726 		fprintf(output, "%s", (const char *) node->name);
   1727 	    break;
   1728 	case XML_ATTRIBUTE_NODE:
   1729 	    if (node->name != NULL)
   1730 		fprintf(output, "%s", (const char *) node->name);
   1731 	    break;
   1732 	case XML_TEXT_NODE:
   1733 	    if (node->content != NULL) {
   1734 		xmlDebugDumpString(output, node->content);
   1735             }
   1736 	    break;
   1737 	case XML_CDATA_SECTION_NODE:
   1738 	    break;
   1739 	case XML_ENTITY_REF_NODE:
   1740 	    if (node->name != NULL)
   1741 		fprintf(output, "%s", (const char *) node->name);
   1742 	    break;
   1743 	case XML_ENTITY_NODE:
   1744 	    if (node->name != NULL)
   1745 		fprintf(output, "%s", (const char *) node->name);
   1746 	    break;
   1747 	case XML_PI_NODE:
   1748 	    if (node->name != NULL)
   1749 		fprintf(output, "%s", (const char *) node->name);
   1750 	    break;
   1751 	case XML_COMMENT_NODE:
   1752 	    break;
   1753 	case XML_DOCUMENT_NODE:
   1754 	    break;
   1755 	case XML_HTML_DOCUMENT_NODE:
   1756 	    break;
   1757 	case XML_DOCUMENT_TYPE_NODE:
   1758 	    break;
   1759 	case XML_DOCUMENT_FRAG_NODE:
   1760 	    break;
   1761 	case XML_NOTATION_NODE:
   1762 	    break;
   1763 	case XML_NAMESPACE_DECL: {
   1764 	    xmlNsPtr ns = (xmlNsPtr) node;
   1765 
   1766 	    if (ns->prefix == NULL)
   1767 		fprintf(output, "default -> %s", (char *)ns->href);
   1768 	    else
   1769 		fprintf(output, "%s -> %s", (char *)ns->prefix,
   1770 			(char *)ns->href);
   1771 	    break;
   1772 	}
   1773 	default:
   1774 	    if (node->name != NULL)
   1775 		fprintf(output, "%s", (const char *) node->name);
   1776     }
   1777     fprintf(output, "\n");
   1778 }
   1779 
   1780 /**
   1781  * xmlBoolToText:
   1782  * @boolval: a bool to turn into text
   1783  *
   1784  * Convenient way to turn bool into text
   1785  *
   1786  * Returns a pointer to either "True" or "False"
   1787  */
   1788 const char *
   1789 xmlBoolToText(int boolval)
   1790 {
   1791     if (boolval)
   1792         return("True");
   1793     else
   1794         return("False");
   1795 }
   1796 
   1797 #ifdef LIBXML_XPATH_ENABLED
   1798 /****************************************************************
   1799  *								*
   1800  *	 	The XML shell related functions			*
   1801  *								*
   1802  ****************************************************************/
   1803 
   1804 
   1805 
   1806 /*
   1807  * TODO: Improvement/cleanups for the XML shell
   1808  *     - allow to shell out an editor on a subpart
   1809  *     - cleanup function registrations (with help) and calling
   1810  *     - provide registration routines
   1811  */
   1812 
   1813 /**
   1814  * xmlShellPrintXPathError:
   1815  * @errorType: valid xpath error id
   1816  * @arg: the argument that cause xpath to fail
   1817  *
   1818  * Print the xpath error to libxml default error channel
   1819  */
   1820 void
   1821 xmlShellPrintXPathError(int errorType, const char *arg)
   1822 {
   1823     const char *default_arg = "Result";
   1824 
   1825     if (!arg)
   1826         arg = default_arg;
   1827 
   1828     switch (errorType) {
   1829         case XPATH_UNDEFINED:
   1830             xmlGenericError(xmlGenericErrorContext,
   1831                             "%s: no such node\n", arg);
   1832             break;
   1833 
   1834         case XPATH_BOOLEAN:
   1835             xmlGenericError(xmlGenericErrorContext,
   1836                             "%s is a Boolean\n", arg);
   1837             break;
   1838         case XPATH_NUMBER:
   1839             xmlGenericError(xmlGenericErrorContext,
   1840                             "%s is a number\n", arg);
   1841             break;
   1842         case XPATH_STRING:
   1843             xmlGenericError(xmlGenericErrorContext,
   1844                             "%s is a string\n", arg);
   1845             break;
   1846         case XPATH_POINT:
   1847             xmlGenericError(xmlGenericErrorContext,
   1848                             "%s is a point\n", arg);
   1849             break;
   1850         case XPATH_RANGE:
   1851             xmlGenericError(xmlGenericErrorContext,
   1852                             "%s is a range\n", arg);
   1853             break;
   1854         case XPATH_LOCATIONSET:
   1855             xmlGenericError(xmlGenericErrorContext,
   1856                             "%s is a range\n", arg);
   1857             break;
   1858         case XPATH_USERS:
   1859             xmlGenericError(xmlGenericErrorContext,
   1860                             "%s is user-defined\n", arg);
   1861             break;
   1862         case XPATH_XSLT_TREE:
   1863             xmlGenericError(xmlGenericErrorContext,
   1864                             "%s is an XSLT value tree\n", arg);
   1865             break;
   1866     }
   1867 #if 0
   1868     xmlGenericError(xmlGenericErrorContext,
   1869                     "Try casting the result string function (xpath builtin)\n",
   1870                     arg);
   1871 #endif
   1872 }
   1873 
   1874 
   1875 #ifdef LIBXML_OUTPUT_ENABLED
   1876 /**
   1877  * xmlShellPrintNodeCtxt:
   1878  * @ctxt : a non-null shell context
   1879  * @node : a non-null node to print to the output FILE
   1880  *
   1881  * Print node to the output FILE
   1882  */
   1883 static void
   1884 xmlShellPrintNodeCtxt(xmlShellCtxtPtr ctxt,xmlNodePtr node)
   1885 {
   1886     FILE *fp;
   1887 
   1888     if (!node)
   1889         return;
   1890     if (ctxt == NULL)
   1891 	fp = stdout;
   1892     else
   1893 	fp = ctxt->output;
   1894 
   1895     if (node->type == XML_DOCUMENT_NODE)
   1896         xmlDocDump(fp, (xmlDocPtr) node);
   1897     else if (node->type == XML_ATTRIBUTE_NODE)
   1898         xmlDebugDumpAttrList(fp, (xmlAttrPtr) node, 0);
   1899     else
   1900         xmlElemDump(fp, node->doc, node);
   1901 
   1902     fprintf(fp, "\n");
   1903 }
   1904 
   1905 /**
   1906  * xmlShellPrintNode:
   1907  * @node : a non-null node to print to the output FILE
   1908  *
   1909  * Print node to the output FILE
   1910  */
   1911 void
   1912 xmlShellPrintNode(xmlNodePtr node)
   1913 {
   1914     xmlShellPrintNodeCtxt(NULL, node);
   1915 }
   1916 #endif /* LIBXML_OUTPUT_ENABLED */
   1917 
   1918 /**
   1919  * xmlShellPrintXPathResultCtxt:
   1920  * @ctxt: a valid shell context
   1921  * @list: a valid result generated by an xpath evaluation
   1922  *
   1923  * Prints result to the output FILE
   1924  */
   1925 static void
   1926 xmlShellPrintXPathResultCtxt(xmlShellCtxtPtr ctxt,xmlXPathObjectPtr list)
   1927 {
   1928     if (!ctxt)
   1929        return;
   1930 
   1931     if (list != NULL) {
   1932         switch (list->type) {
   1933             case XPATH_NODESET:{
   1934 #ifdef LIBXML_OUTPUT_ENABLED
   1935                     int indx;
   1936 
   1937                     if (list->nodesetval) {
   1938                         for (indx = 0; indx < list->nodesetval->nodeNr;
   1939                              indx++) {
   1940                             xmlShellPrintNodeCtxt(ctxt,
   1941 				    list->nodesetval->nodeTab[indx]);
   1942                         }
   1943                     } else {
   1944                         xmlGenericError(xmlGenericErrorContext,
   1945                                         "Empty node set\n");
   1946                     }
   1947                     break;
   1948 #else
   1949 		    xmlGenericError(xmlGenericErrorContext,
   1950 				    "Node set\n");
   1951 #endif /* LIBXML_OUTPUT_ENABLED */
   1952                 }
   1953             case XPATH_BOOLEAN:
   1954                 xmlGenericError(xmlGenericErrorContext,
   1955                                 "Is a Boolean:%s\n",
   1956                                 xmlBoolToText(list->boolval));
   1957                 break;
   1958             case XPATH_NUMBER:
   1959                 xmlGenericError(xmlGenericErrorContext,
   1960                                 "Is a number:%0g\n", list->floatval);
   1961                 break;
   1962             case XPATH_STRING:
   1963                 xmlGenericError(xmlGenericErrorContext,
   1964                                 "Is a string:%s\n", list->stringval);
   1965                 break;
   1966 
   1967             default:
   1968                 xmlShellPrintXPathError(list->type, NULL);
   1969         }
   1970     }
   1971 }
   1972 
   1973 /**
   1974  * xmlShellPrintXPathResult:
   1975  * @list: a valid result generated by an xpath evaluation
   1976  *
   1977  * Prints result to the output FILE
   1978  */
   1979 void
   1980 xmlShellPrintXPathResult(xmlXPathObjectPtr list)
   1981 {
   1982     xmlShellPrintXPathResultCtxt(NULL, list);
   1983 }
   1984 
   1985 /**
   1986  * xmlShellList:
   1987  * @ctxt:  the shell context
   1988  * @arg:  unused
   1989  * @node:  a node
   1990  * @node2:  unused
   1991  *
   1992  * Implements the XML shell function "ls"
   1993  * Does an Unix like listing of the given node (like a directory)
   1994  *
   1995  * Returns 0
   1996  */
   1997 int
   1998 xmlShellList(xmlShellCtxtPtr ctxt,
   1999              char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
   2000              xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2001 {
   2002     xmlNodePtr cur;
   2003     if (!ctxt)
   2004         return (0);
   2005     if (node == NULL) {
   2006 	fprintf(ctxt->output, "NULL\n");
   2007 	return (0);
   2008     }
   2009     if ((node->type == XML_DOCUMENT_NODE) ||
   2010         (node->type == XML_HTML_DOCUMENT_NODE)) {
   2011         cur = ((xmlDocPtr) node)->children;
   2012     } else if (node->type == XML_NAMESPACE_DECL) {
   2013         xmlLsOneNode(ctxt->output, node);
   2014         return (0);
   2015     } else if (node->children != NULL) {
   2016         cur = node->children;
   2017     } else {
   2018         xmlLsOneNode(ctxt->output, node);
   2019         return (0);
   2020     }
   2021     while (cur != NULL) {
   2022         xmlLsOneNode(ctxt->output, cur);
   2023         cur = cur->next;
   2024     }
   2025     return (0);
   2026 }
   2027 
   2028 /**
   2029  * xmlShellBase:
   2030  * @ctxt:  the shell context
   2031  * @arg:  unused
   2032  * @node:  a node
   2033  * @node2:  unused
   2034  *
   2035  * Implements the XML shell function "base"
   2036  * dumps the current XML base of the node
   2037  *
   2038  * Returns 0
   2039  */
   2040 int
   2041 xmlShellBase(xmlShellCtxtPtr ctxt,
   2042              char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
   2043              xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2044 {
   2045     xmlChar *base;
   2046     if (!ctxt)
   2047         return 0;
   2048     if (node == NULL) {
   2049 	fprintf(ctxt->output, "NULL\n");
   2050 	return (0);
   2051     }
   2052 
   2053     base = xmlNodeGetBase(node->doc, node);
   2054 
   2055     if (base == NULL) {
   2056         fprintf(ctxt->output, " No base found !!!\n");
   2057     } else {
   2058         fprintf(ctxt->output, "%s\n", base);
   2059         xmlFree(base);
   2060     }
   2061     return (0);
   2062 }
   2063 
   2064 #ifdef LIBXML_TREE_ENABLED
   2065 /**
   2066  * xmlShellSetBase:
   2067  * @ctxt:  the shell context
   2068  * @arg:  the new base
   2069  * @node:  a node
   2070  * @node2:  unused
   2071  *
   2072  * Implements the XML shell function "setbase"
   2073  * change the current XML base of the node
   2074  *
   2075  * Returns 0
   2076  */
   2077 static int
   2078 xmlShellSetBase(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
   2079              char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
   2080              xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2081 {
   2082     xmlNodeSetBase(node, (xmlChar*) arg);
   2083     return (0);
   2084 }
   2085 #endif
   2086 
   2087 #ifdef LIBXML_XPATH_ENABLED
   2088 /**
   2089  * xmlShellRegisterNamespace:
   2090  * @ctxt:  the shell context
   2091  * @arg:  a string in prefix=nsuri format
   2092  * @node:  unused
   2093  * @node2:  unused
   2094  *
   2095  * Implements the XML shell function "setns"
   2096  * register/unregister a prefix=namespace pair
   2097  * on the XPath context
   2098  *
   2099  * Returns 0 on success and a negative value otherwise.
   2100  */
   2101 static int
   2102 xmlShellRegisterNamespace(xmlShellCtxtPtr ctxt, char *arg,
   2103       xmlNodePtr node ATTRIBUTE_UNUSED, xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2104 {
   2105     xmlChar* nsListDup;
   2106     xmlChar* prefix;
   2107     xmlChar* href;
   2108     xmlChar* next;
   2109 
   2110     nsListDup = xmlStrdup((xmlChar *) arg);
   2111     next = nsListDup;
   2112     while(next != NULL) {
   2113 	/* skip spaces */
   2114 	/*while((*next) == ' ') next++;*/
   2115 	if((*next) == '\0') break;
   2116 
   2117 	/* find prefix */
   2118 	prefix = next;
   2119 	next = (xmlChar*)xmlStrchr(next, '=');
   2120 	if(next == NULL) {
   2121 	    fprintf(ctxt->output, "setns: prefix=[nsuri] required\n");
   2122 	    xmlFree(nsListDup);
   2123 	    return(-1);
   2124 	}
   2125 	*(next++) = '\0';
   2126 
   2127 	/* find href */
   2128 	href = next;
   2129 	next = (xmlChar*)xmlStrchr(next, ' ');
   2130 	if(next != NULL) {
   2131 	    *(next++) = '\0';
   2132 	}
   2133 
   2134 	/* do register namespace */
   2135 	if(xmlXPathRegisterNs(ctxt->pctxt, prefix, href) != 0) {
   2136 	    fprintf(ctxt->output,"Error: unable to register NS with prefix=\"%s\" and href=\"%s\"\n", prefix, href);
   2137 	    xmlFree(nsListDup);
   2138 	    return(-1);
   2139 	}
   2140     }
   2141 
   2142     xmlFree(nsListDup);
   2143     return(0);
   2144 }
   2145 /**
   2146  * xmlShellRegisterRootNamespaces:
   2147  * @ctxt:  the shell context
   2148  * @arg:  unused
   2149  * @node:  the root element
   2150  * @node2:  unused
   2151  *
   2152  * Implements the XML shell function "setrootns"
   2153  * which registers all namespaces declarations found on the root element.
   2154  *
   2155  * Returns 0 on success and a negative value otherwise.
   2156  */
   2157 static int
   2158 xmlShellRegisterRootNamespaces(xmlShellCtxtPtr ctxt, char *arg ATTRIBUTE_UNUSED,
   2159       xmlNodePtr root, xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2160 {
   2161     xmlNsPtr ns;
   2162 
   2163     if ((root == NULL) || (root->type != XML_ELEMENT_NODE) ||
   2164         (root->nsDef == NULL) || (ctxt == NULL) || (ctxt->pctxt == NULL))
   2165 	return(-1);
   2166     ns = root->nsDef;
   2167     while (ns != NULL) {
   2168         if (ns->prefix == NULL)
   2169 	    xmlXPathRegisterNs(ctxt->pctxt, BAD_CAST "defaultns", ns->href);
   2170 	else
   2171 	    xmlXPathRegisterNs(ctxt->pctxt, ns->prefix, ns->href);
   2172         ns = ns->next;
   2173     }
   2174     return(0);
   2175 }
   2176 #endif
   2177 
   2178 /**
   2179  * xmlShellGrep:
   2180  * @ctxt:  the shell context
   2181  * @arg:  the string or regular expression to find
   2182  * @node:  a node
   2183  * @node2:  unused
   2184  *
   2185  * Implements the XML shell function "grep"
   2186  * dumps informations about the node (namespace, attributes, content).
   2187  *
   2188  * Returns 0
   2189  */
   2190 static int
   2191 xmlShellGrep(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
   2192             char *arg, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2193 {
   2194     if (!ctxt)
   2195         return (0);
   2196     if (node == NULL)
   2197 	return (0);
   2198     if (arg == NULL)
   2199 	return (0);
   2200 #ifdef LIBXML_REGEXP_ENABLED
   2201     if ((xmlStrchr((xmlChar *) arg, '?')) ||
   2202 	(xmlStrchr((xmlChar *) arg, '*')) ||
   2203 	(xmlStrchr((xmlChar *) arg, '.')) ||
   2204 	(xmlStrchr((xmlChar *) arg, '['))) {
   2205     }
   2206 #endif
   2207     while (node != NULL) {
   2208         if (node->type == XML_COMMENT_NODE) {
   2209 	    if (xmlStrstr(node->content, (xmlChar *) arg)) {
   2210 
   2211 		fprintf(ctxt->output, "%s : ", xmlGetNodePath(node));
   2212                 xmlShellList(ctxt, NULL, node, NULL);
   2213 	    }
   2214         } else if (node->type == XML_TEXT_NODE) {
   2215 	    if (xmlStrstr(node->content, (xmlChar *) arg)) {
   2216 
   2217 		fprintf(ctxt->output, "%s : ", xmlGetNodePath(node->parent));
   2218                 xmlShellList(ctxt, NULL, node->parent, NULL);
   2219 	    }
   2220         }
   2221 
   2222         /*
   2223          * Browse the full subtree, deep first
   2224          */
   2225 
   2226         if ((node->type == XML_DOCUMENT_NODE) ||
   2227             (node->type == XML_HTML_DOCUMENT_NODE)) {
   2228             node = ((xmlDocPtr) node)->children;
   2229         } else if ((node->children != NULL)
   2230                    && (node->type != XML_ENTITY_REF_NODE)) {
   2231             /* deep first */
   2232             node = node->children;
   2233         } else if (node->next != NULL) {
   2234             /* then siblings */
   2235             node = node->next;
   2236         } else {
   2237             /* go up to parents->next if needed */
   2238             while (node != NULL) {
   2239                 if (node->parent != NULL) {
   2240                     node = node->parent;
   2241                 }
   2242                 if (node->next != NULL) {
   2243                     node = node->next;
   2244                     break;
   2245                 }
   2246                 if (node->parent == NULL) {
   2247                     node = NULL;
   2248                     break;
   2249                 }
   2250             }
   2251 	}
   2252     }
   2253     return (0);
   2254 }
   2255 
   2256 /**
   2257  * xmlShellDir:
   2258  * @ctxt:  the shell context
   2259  * @arg:  unused
   2260  * @node:  a node
   2261  * @node2:  unused
   2262  *
   2263  * Implements the XML shell function "dir"
   2264  * dumps informations about the node (namespace, attributes, content).
   2265  *
   2266  * Returns 0
   2267  */
   2268 int
   2269 xmlShellDir(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
   2270             char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
   2271             xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2272 {
   2273     if (!ctxt)
   2274         return (0);
   2275     if (node == NULL) {
   2276 	fprintf(ctxt->output, "NULL\n");
   2277 	return (0);
   2278     }
   2279     if ((node->type == XML_DOCUMENT_NODE) ||
   2280         (node->type == XML_HTML_DOCUMENT_NODE)) {
   2281         xmlDebugDumpDocumentHead(ctxt->output, (xmlDocPtr) node);
   2282     } else if (node->type == XML_ATTRIBUTE_NODE) {
   2283         xmlDebugDumpAttr(ctxt->output, (xmlAttrPtr) node, 0);
   2284     } else {
   2285         xmlDebugDumpOneNode(ctxt->output, node, 0);
   2286     }
   2287     return (0);
   2288 }
   2289 
   2290 /**
   2291  * xmlShellSetContent:
   2292  * @ctxt:  the shell context
   2293  * @value:  the content as a string
   2294  * @node:  a node
   2295  * @node2:  unused
   2296  *
   2297  * Implements the XML shell function "dir"
   2298  * dumps informations about the node (namespace, attributes, content).
   2299  *
   2300  * Returns 0
   2301  */
   2302 static int
   2303 xmlShellSetContent(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
   2304             char *value, xmlNodePtr node,
   2305             xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2306 {
   2307     xmlNodePtr results;
   2308     xmlParserErrors ret;
   2309 
   2310     if (!ctxt)
   2311         return (0);
   2312     if (node == NULL) {
   2313 	fprintf(ctxt->output, "NULL\n");
   2314 	return (0);
   2315     }
   2316     if (value == NULL) {
   2317         fprintf(ctxt->output, "NULL\n");
   2318 	return (0);
   2319     }
   2320 
   2321     ret = xmlParseInNodeContext(node, value, strlen(value), 0, &results);
   2322     if (ret == XML_ERR_OK) {
   2323 	if (node->children != NULL) {
   2324 	    xmlFreeNodeList(node->children);
   2325 	    node->children = NULL;
   2326 	    node->last = NULL;
   2327 	}
   2328 	xmlAddChildList(node, results);
   2329     } else {
   2330         fprintf(ctxt->output, "failed to parse content\n");
   2331     }
   2332     return (0);
   2333 }
   2334 
   2335 #ifdef LIBXML_SCHEMAS_ENABLED
   2336 /**
   2337  * xmlShellRNGValidate:
   2338  * @ctxt:  the shell context
   2339  * @schemas:  the path to the Relax-NG schemas
   2340  * @node:  a node
   2341  * @node2:  unused
   2342  *
   2343  * Implements the XML shell function "relaxng"
   2344  * validating the instance against a Relax-NG schemas
   2345  *
   2346  * Returns 0
   2347  */
   2348 static int
   2349 xmlShellRNGValidate(xmlShellCtxtPtr sctxt, char *schemas,
   2350             xmlNodePtr node ATTRIBUTE_UNUSED,
   2351 	    xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2352 {
   2353     xmlRelaxNGPtr relaxngschemas;
   2354     xmlRelaxNGParserCtxtPtr ctxt;
   2355     xmlRelaxNGValidCtxtPtr vctxt;
   2356     int ret;
   2357 
   2358     ctxt = xmlRelaxNGNewParserCtxt(schemas);
   2359     xmlRelaxNGSetParserErrors(ctxt,
   2360 	    (xmlRelaxNGValidityErrorFunc) fprintf,
   2361 	    (xmlRelaxNGValidityWarningFunc) fprintf,
   2362 	    stderr);
   2363     relaxngschemas = xmlRelaxNGParse(ctxt);
   2364     xmlRelaxNGFreeParserCtxt(ctxt);
   2365     if (relaxngschemas == NULL) {
   2366 	xmlGenericError(xmlGenericErrorContext,
   2367 		"Relax-NG schema %s failed to compile\n", schemas);
   2368 	return(-1);
   2369     }
   2370     vctxt = xmlRelaxNGNewValidCtxt(relaxngschemas);
   2371     xmlRelaxNGSetValidErrors(vctxt,
   2372 	    (xmlRelaxNGValidityErrorFunc) fprintf,
   2373 	    (xmlRelaxNGValidityWarningFunc) fprintf,
   2374 	    stderr);
   2375     ret = xmlRelaxNGValidateDoc(vctxt, sctxt->doc);
   2376     if (ret == 0) {
   2377 	fprintf(stderr, "%s validates\n", sctxt->filename);
   2378     } else if (ret > 0) {
   2379 	fprintf(stderr, "%s fails to validate\n", sctxt->filename);
   2380     } else {
   2381 	fprintf(stderr, "%s validation generated an internal error\n",
   2382 	       sctxt->filename);
   2383     }
   2384     xmlRelaxNGFreeValidCtxt(vctxt);
   2385     if (relaxngschemas != NULL)
   2386 	xmlRelaxNGFree(relaxngschemas);
   2387     return(0);
   2388 }
   2389 #endif
   2390 
   2391 #ifdef LIBXML_OUTPUT_ENABLED
   2392 /**
   2393  * xmlShellCat:
   2394  * @ctxt:  the shell context
   2395  * @arg:  unused
   2396  * @node:  a node
   2397  * @node2:  unused
   2398  *
   2399  * Implements the XML shell function "cat"
   2400  * dumps the serialization node content (XML or HTML).
   2401  *
   2402  * Returns 0
   2403  */
   2404 int
   2405 xmlShellCat(xmlShellCtxtPtr ctxt, char *arg ATTRIBUTE_UNUSED,
   2406             xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2407 {
   2408     if (!ctxt)
   2409         return (0);
   2410     if (node == NULL) {
   2411 	fprintf(ctxt->output, "NULL\n");
   2412 	return (0);
   2413     }
   2414     if (ctxt->doc->type == XML_HTML_DOCUMENT_NODE) {
   2415 #ifdef LIBXML_HTML_ENABLED
   2416         if (node->type == XML_HTML_DOCUMENT_NODE)
   2417             htmlDocDump(ctxt->output, (htmlDocPtr) node);
   2418         else
   2419             htmlNodeDumpFile(ctxt->output, ctxt->doc, node);
   2420 #else
   2421         if (node->type == XML_DOCUMENT_NODE)
   2422             xmlDocDump(ctxt->output, (xmlDocPtr) node);
   2423         else
   2424             xmlElemDump(ctxt->output, ctxt->doc, node);
   2425 #endif /* LIBXML_HTML_ENABLED */
   2426     } else {
   2427         if (node->type == XML_DOCUMENT_NODE)
   2428             xmlDocDump(ctxt->output, (xmlDocPtr) node);
   2429         else
   2430             xmlElemDump(ctxt->output, ctxt->doc, node);
   2431     }
   2432     fprintf(ctxt->output, "\n");
   2433     return (0);
   2434 }
   2435 #endif /* LIBXML_OUTPUT_ENABLED */
   2436 
   2437 /**
   2438  * xmlShellLoad:
   2439  * @ctxt:  the shell context
   2440  * @filename:  the file name
   2441  * @node:  unused
   2442  * @node2:  unused
   2443  *
   2444  * Implements the XML shell function "load"
   2445  * loads a new document specified by the filename
   2446  *
   2447  * Returns 0 or -1 if loading failed
   2448  */
   2449 int
   2450 xmlShellLoad(xmlShellCtxtPtr ctxt, char *filename,
   2451              xmlNodePtr node ATTRIBUTE_UNUSED,
   2452              xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2453 {
   2454     xmlDocPtr doc;
   2455     int html = 0;
   2456 
   2457     if ((ctxt == NULL) || (filename == NULL)) return(-1);
   2458     if (ctxt->doc != NULL)
   2459         html = (ctxt->doc->type == XML_HTML_DOCUMENT_NODE);
   2460 
   2461     if (html) {
   2462 #ifdef LIBXML_HTML_ENABLED
   2463         doc = htmlParseFile(filename, NULL);
   2464 #else
   2465         fprintf(ctxt->output, "HTML support not compiled in\n");
   2466         doc = NULL;
   2467 #endif /* LIBXML_HTML_ENABLED */
   2468     } else {
   2469         doc = xmlReadFile(filename,NULL,0);
   2470     }
   2471     if (doc != NULL) {
   2472         if (ctxt->loaded == 1) {
   2473             xmlFreeDoc(ctxt->doc);
   2474         }
   2475         ctxt->loaded = 1;
   2476 #ifdef LIBXML_XPATH_ENABLED
   2477         xmlXPathFreeContext(ctxt->pctxt);
   2478 #endif /* LIBXML_XPATH_ENABLED */
   2479         xmlFree(ctxt->filename);
   2480         ctxt->doc = doc;
   2481         ctxt->node = (xmlNodePtr) doc;
   2482 #ifdef LIBXML_XPATH_ENABLED
   2483         ctxt->pctxt = xmlXPathNewContext(doc);
   2484 #endif /* LIBXML_XPATH_ENABLED */
   2485         ctxt->filename = (char *) xmlCanonicPath((xmlChar *) filename);
   2486     } else
   2487         return (-1);
   2488     return (0);
   2489 }
   2490 
   2491 #ifdef LIBXML_OUTPUT_ENABLED
   2492 /**
   2493  * xmlShellWrite:
   2494  * @ctxt:  the shell context
   2495  * @filename:  the file name
   2496  * @node:  a node in the tree
   2497  * @node2:  unused
   2498  *
   2499  * Implements the XML shell function "write"
   2500  * Write the current node to the filename, it saves the serialization
   2501  * of the subtree under the @node specified
   2502  *
   2503  * Returns 0 or -1 in case of error
   2504  */
   2505 int
   2506 xmlShellWrite(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node,
   2507               xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2508 {
   2509     if (node == NULL)
   2510         return (-1);
   2511     if ((filename == NULL) || (filename[0] == 0)) {
   2512         return (-1);
   2513     }
   2514 #ifdef W_OK
   2515     if (access((char *) filename, W_OK)) {
   2516         xmlGenericError(xmlGenericErrorContext,
   2517                         "Cannot write to %s\n", filename);
   2518         return (-1);
   2519     }
   2520 #endif
   2521     switch (node->type) {
   2522         case XML_DOCUMENT_NODE:
   2523             if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
   2524                 xmlGenericError(xmlGenericErrorContext,
   2525                                 "Failed to write to %s\n", filename);
   2526                 return (-1);
   2527             }
   2528             break;
   2529         case XML_HTML_DOCUMENT_NODE:
   2530 #ifdef LIBXML_HTML_ENABLED
   2531             if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
   2532                 xmlGenericError(xmlGenericErrorContext,
   2533                                 "Failed to write to %s\n", filename);
   2534                 return (-1);
   2535             }
   2536 #else
   2537             if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
   2538                 xmlGenericError(xmlGenericErrorContext,
   2539                                 "Failed to write to %s\n", filename);
   2540                 return (-1);
   2541             }
   2542 #endif /* LIBXML_HTML_ENABLED */
   2543             break;
   2544         default:{
   2545                 FILE *f;
   2546 
   2547                 f = fopen((char *) filename, "w");
   2548                 if (f == NULL) {
   2549                     xmlGenericError(xmlGenericErrorContext,
   2550                                     "Failed to write to %s\n", filename);
   2551                     return (-1);
   2552                 }
   2553                 xmlElemDump(f, ctxt->doc, node);
   2554                 fclose(f);
   2555             }
   2556     }
   2557     return (0);
   2558 }
   2559 
   2560 /**
   2561  * xmlShellSave:
   2562  * @ctxt:  the shell context
   2563  * @filename:  the file name (optional)
   2564  * @node:  unused
   2565  * @node2:  unused
   2566  *
   2567  * Implements the XML shell function "save"
   2568  * Write the current document to the filename, or it's original name
   2569  *
   2570  * Returns 0 or -1 in case of error
   2571  */
   2572 int
   2573 xmlShellSave(xmlShellCtxtPtr ctxt, char *filename,
   2574              xmlNodePtr node ATTRIBUTE_UNUSED,
   2575              xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2576 {
   2577     if ((ctxt == NULL) || (ctxt->doc == NULL))
   2578         return (-1);
   2579     if ((filename == NULL) || (filename[0] == 0))
   2580         filename = ctxt->filename;
   2581     if (filename == NULL)
   2582         return (-1);
   2583 #ifdef W_OK
   2584     if (access((char *) filename, W_OK)) {
   2585         xmlGenericError(xmlGenericErrorContext,
   2586                         "Cannot save to %s\n", filename);
   2587         return (-1);
   2588     }
   2589 #endif
   2590     switch (ctxt->doc->type) {
   2591         case XML_DOCUMENT_NODE:
   2592             if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
   2593                 xmlGenericError(xmlGenericErrorContext,
   2594                                 "Failed to save to %s\n", filename);
   2595             }
   2596             break;
   2597         case XML_HTML_DOCUMENT_NODE:
   2598 #ifdef LIBXML_HTML_ENABLED
   2599             if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
   2600                 xmlGenericError(xmlGenericErrorContext,
   2601                                 "Failed to save to %s\n", filename);
   2602             }
   2603 #else
   2604             if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
   2605                 xmlGenericError(xmlGenericErrorContext,
   2606                                 "Failed to save to %s\n", filename);
   2607             }
   2608 #endif /* LIBXML_HTML_ENABLED */
   2609             break;
   2610         default:
   2611             xmlGenericError(xmlGenericErrorContext,
   2612 	    "To save to subparts of a document use the 'write' command\n");
   2613             return (-1);
   2614 
   2615     }
   2616     return (0);
   2617 }
   2618 #endif /* LIBXML_OUTPUT_ENABLED */
   2619 
   2620 #ifdef LIBXML_VALID_ENABLED
   2621 /**
   2622  * xmlShellValidate:
   2623  * @ctxt:  the shell context
   2624  * @dtd:  the DTD URI (optional)
   2625  * @node:  unused
   2626  * @node2:  unused
   2627  *
   2628  * Implements the XML shell function "validate"
   2629  * Validate the document, if a DTD path is provided, then the validation
   2630  * is done against the given DTD.
   2631  *
   2632  * Returns 0 or -1 in case of error
   2633  */
   2634 int
   2635 xmlShellValidate(xmlShellCtxtPtr ctxt, char *dtd,
   2636                  xmlNodePtr node ATTRIBUTE_UNUSED,
   2637                  xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2638 {
   2639     xmlValidCtxt vctxt;
   2640     int res = -1;
   2641 
   2642     if ((ctxt == NULL) || (ctxt->doc == NULL)) return(-1);
   2643     vctxt.userData = stderr;
   2644     vctxt.error = (xmlValidityErrorFunc) fprintf;
   2645     vctxt.warning = (xmlValidityWarningFunc) fprintf;
   2646 
   2647     if ((dtd == NULL) || (dtd[0] == 0)) {
   2648         res = xmlValidateDocument(&vctxt, ctxt->doc);
   2649     } else {
   2650         xmlDtdPtr subset;
   2651 
   2652         subset = xmlParseDTD(NULL, (xmlChar *) dtd);
   2653         if (subset != NULL) {
   2654             res = xmlValidateDtd(&vctxt, ctxt->doc, subset);
   2655 
   2656             xmlFreeDtd(subset);
   2657         }
   2658     }
   2659     return (res);
   2660 }
   2661 #endif /* LIBXML_VALID_ENABLED */
   2662 
   2663 /**
   2664  * xmlShellDu:
   2665  * @ctxt:  the shell context
   2666  * @arg:  unused
   2667  * @tree:  a node defining a subtree
   2668  * @node2:  unused
   2669  *
   2670  * Implements the XML shell function "du"
   2671  * show the structure of the subtree under node @tree
   2672  * If @tree is null, the command works on the current node.
   2673  *
   2674  * Returns 0 or -1 in case of error
   2675  */
   2676 int
   2677 xmlShellDu(xmlShellCtxtPtr ctxt,
   2678            char *arg ATTRIBUTE_UNUSED, xmlNodePtr tree,
   2679            xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2680 {
   2681     xmlNodePtr node;
   2682     int indent = 0, i;
   2683 
   2684     if (!ctxt)
   2685 	return (-1);
   2686 
   2687     if (tree == NULL)
   2688         return (-1);
   2689     node = tree;
   2690     while (node != NULL) {
   2691         if ((node->type == XML_DOCUMENT_NODE) ||
   2692             (node->type == XML_HTML_DOCUMENT_NODE)) {
   2693             fprintf(ctxt->output, "/\n");
   2694         } else if (node->type == XML_ELEMENT_NODE) {
   2695             for (i = 0; i < indent; i++)
   2696                 fprintf(ctxt->output, "  ");
   2697             fprintf(ctxt->output, "%s\n", node->name);
   2698         } else {
   2699         }
   2700 
   2701         /*
   2702          * Browse the full subtree, deep first
   2703          */
   2704 
   2705         if ((node->type == XML_DOCUMENT_NODE) ||
   2706             (node->type == XML_HTML_DOCUMENT_NODE)) {
   2707             node = ((xmlDocPtr) node)->children;
   2708         } else if ((node->children != NULL)
   2709                    && (node->type != XML_ENTITY_REF_NODE)) {
   2710             /* deep first */
   2711             node = node->children;
   2712             indent++;
   2713         } else if ((node != tree) && (node->next != NULL)) {
   2714             /* then siblings */
   2715             node = node->next;
   2716         } else if (node != tree) {
   2717             /* go up to parents->next if needed */
   2718             while (node != tree) {
   2719                 if (node->parent != NULL) {
   2720                     node = node->parent;
   2721                     indent--;
   2722                 }
   2723                 if ((node != tree) && (node->next != NULL)) {
   2724                     node = node->next;
   2725                     break;
   2726                 }
   2727                 if (node->parent == NULL) {
   2728                     node = NULL;
   2729                     break;
   2730                 }
   2731                 if (node == tree) {
   2732                     node = NULL;
   2733                     break;
   2734                 }
   2735             }
   2736             /* exit condition */
   2737             if (node == tree)
   2738                 node = NULL;
   2739         } else
   2740             node = NULL;
   2741     }
   2742     return (0);
   2743 }
   2744 
   2745 /**
   2746  * xmlShellPwd:
   2747  * @ctxt:  the shell context
   2748  * @buffer:  the output buffer
   2749  * @node:  a node
   2750  * @node2:  unused
   2751  *
   2752  * Implements the XML shell function "pwd"
   2753  * Show the full path from the root to the node, if needed building
   2754  * thumblers when similar elements exists at a given ancestor level.
   2755  * The output is compatible with XPath commands.
   2756  *
   2757  * Returns 0 or -1 in case of error
   2758  */
   2759 int
   2760 xmlShellPwd(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *buffer,
   2761             xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED)
   2762 {
   2763     xmlChar *path;
   2764 
   2765     if ((node == NULL) || (buffer == NULL))
   2766         return (-1);
   2767 
   2768     path = xmlGetNodePath(node);
   2769     if (path == NULL)
   2770 	return (-1);
   2771 
   2772     /*
   2773      * This test prevents buffer overflow, because this routine
   2774      * is only called by xmlShell, in which the second argument is
   2775      * 500 chars long.
   2776      * It is a dirty hack before a cleaner solution is found.
   2777      * Documentation should mention that the second argument must
   2778      * be at least 500 chars long, and could be stripped if too long.
   2779      */
   2780     snprintf(buffer, 499, "%s", path);
   2781     buffer[499] = '0';
   2782     xmlFree(path);
   2783 
   2784     return (0);
   2785 }
   2786 
   2787 /**
   2788  * xmlShell:
   2789  * @doc:  the initial document
   2790  * @filename:  the output buffer
   2791  * @input:  the line reading function
   2792  * @output:  the output FILE*, defaults to stdout if NULL
   2793  *
   2794  * Implements the XML shell
   2795  * This allow to load, validate, view, modify and save a document
   2796  * using a environment similar to a UNIX commandline.
   2797  */
   2798 void
   2799 xmlShell(xmlDocPtr doc, char *filename, xmlShellReadlineFunc input,
   2800          FILE * output)
   2801 {
   2802     char prompt[500] = "/ > ";
   2803     char *cmdline = NULL, *cur;
   2804     int nbargs;
   2805     char command[100];
   2806     char arg[400];
   2807     int i;
   2808     xmlShellCtxtPtr ctxt;
   2809     xmlXPathObjectPtr list;
   2810 
   2811     if (doc == NULL)
   2812         return;
   2813     if (filename == NULL)
   2814         return;
   2815     if (input == NULL)
   2816         return;
   2817     if (output == NULL)
   2818         output = stdout;
   2819     ctxt = (xmlShellCtxtPtr) xmlMalloc(sizeof(xmlShellCtxt));
   2820     if (ctxt == NULL)
   2821         return;
   2822     ctxt->loaded = 0;
   2823     ctxt->doc = doc;
   2824     ctxt->input = input;
   2825     ctxt->output = output;
   2826     ctxt->filename = (char *) xmlStrdup((xmlChar *) filename);
   2827     ctxt->node = (xmlNodePtr) ctxt->doc;
   2828 
   2829 #ifdef LIBXML_XPATH_ENABLED
   2830     ctxt->pctxt = xmlXPathNewContext(ctxt->doc);
   2831     if (ctxt->pctxt == NULL) {
   2832         xmlFree(ctxt);
   2833         return;
   2834     }
   2835 #endif /* LIBXML_XPATH_ENABLED */
   2836     while (1) {
   2837         if (ctxt->node == (xmlNodePtr) ctxt->doc)
   2838             snprintf(prompt, sizeof(prompt), "%s > ", "/");
   2839         else if ((ctxt->node != NULL) && (ctxt->node->name))
   2840             snprintf(prompt, sizeof(prompt), "%s > ", ctxt->node->name);
   2841         else
   2842             snprintf(prompt, sizeof(prompt), "? > ");
   2843         prompt[sizeof(prompt) - 1] = 0;
   2844 
   2845         /*
   2846          * Get a new command line
   2847          */
   2848         cmdline = ctxt->input(prompt);
   2849         if (cmdline == NULL)
   2850             break;
   2851 
   2852         /*
   2853          * Parse the command itself
   2854          */
   2855         cur = cmdline;
   2856         nbargs = 0;
   2857         while ((*cur == ' ') || (*cur == '\t'))
   2858             cur++;
   2859         i = 0;
   2860         while ((*cur != ' ') && (*cur != '\t') &&
   2861                (*cur != '\n') && (*cur != '\r')) {
   2862             if (*cur == 0)
   2863                 break;
   2864             command[i++] = *cur++;
   2865         }
   2866         command[i] = 0;
   2867         if (i == 0)
   2868             continue;
   2869         nbargs++;
   2870 
   2871         /*
   2872          * Parse the argument
   2873          */
   2874         while ((*cur == ' ') || (*cur == '\t'))
   2875             cur++;
   2876         i = 0;
   2877         while ((*cur != '\n') && (*cur != '\r') && (*cur != 0)) {
   2878             if (*cur == 0)
   2879                 break;
   2880             arg[i++] = *cur++;
   2881         }
   2882         arg[i] = 0;
   2883         if (i != 0)
   2884             nbargs++;
   2885 
   2886         /*
   2887          * start interpreting the command
   2888          */
   2889         if (!strcmp(command, "exit"))
   2890             break;
   2891         if (!strcmp(command, "quit"))
   2892             break;
   2893         if (!strcmp(command, "bye"))
   2894             break;
   2895 		if (!strcmp(command, "help")) {
   2896 		  fprintf(ctxt->output, "\tbase         display XML base of the node\n");
   2897 		  fprintf(ctxt->output, "\tsetbase URI  change the XML base of the node\n");
   2898 		  fprintf(ctxt->output, "\tbye          leave shell\n");
   2899 		  fprintf(ctxt->output, "\tcat [node]   display node or current node\n");
   2900 		  fprintf(ctxt->output, "\tcd [path]    change directory to path or to root\n");
   2901 		  fprintf(ctxt->output, "\tdir [path]   dumps informations about the node (namespace, attributes, content)\n");
   2902 		  fprintf(ctxt->output, "\tdu [path]    show the structure of the subtree under path or the current node\n");
   2903 		  fprintf(ctxt->output, "\texit         leave shell\n");
   2904 		  fprintf(ctxt->output, "\thelp         display this help\n");
   2905 		  fprintf(ctxt->output, "\tfree         display memory usage\n");
   2906 		  fprintf(ctxt->output, "\tload [name]  load a new document with name\n");
   2907 		  fprintf(ctxt->output, "\tls [path]    list contents of path or the current directory\n");
   2908 		  fprintf(ctxt->output, "\tset xml_fragment replace the current node content with the fragment parsed in context\n");
   2909 #ifdef LIBXML_XPATH_ENABLED
   2910 		  fprintf(ctxt->output, "\txpath expr   evaluate the XPath expression in that context and print the result\n");
   2911 		  fprintf(ctxt->output, "\tsetns nsreg  register a namespace to a prefix in the XPath evaluation context\n");
   2912 		  fprintf(ctxt->output, "\t             format for nsreg is: prefix=[nsuri] (i.e. prefix= unsets a prefix)\n");
   2913 		  fprintf(ctxt->output, "\tsetrootns    register all namespace found on the root element\n");
   2914 		  fprintf(ctxt->output, "\t             the default namespace if any uses 'defaultns' prefix\n");
   2915 #endif /* LIBXML_XPATH_ENABLED */
   2916 		  fprintf(ctxt->output, "\tpwd          display current working directory\n");
   2917 		  fprintf(ctxt->output, "\tquit         leave shell\n");
   2918 #ifdef LIBXML_OUTPUT_ENABLED
   2919 		  fprintf(ctxt->output, "\tsave [name]  save this document to name or the original name\n");
   2920 		  fprintf(ctxt->output, "\twrite [name] write the current node to the filename\n");
   2921 #endif /* LIBXML_OUTPUT_ENABLED */
   2922 #ifdef LIBXML_VALID_ENABLED
   2923 		  fprintf(ctxt->output, "\tvalidate     check the document for errors\n");
   2924 #endif /* LIBXML_VALID_ENABLED */
   2925 #ifdef LIBXML_SCHEMAS_ENABLED
   2926 		  fprintf(ctxt->output, "\trelaxng rng  validate the document agaisnt the Relax-NG schemas\n");
   2927 #endif
   2928 		  fprintf(ctxt->output, "\tgrep string  search for a string in the subtree\n");
   2929 #ifdef LIBXML_VALID_ENABLED
   2930         } else if (!strcmp(command, "validate")) {
   2931             xmlShellValidate(ctxt, arg, NULL, NULL);
   2932 #endif /* LIBXML_VALID_ENABLED */
   2933         } else if (!strcmp(command, "load")) {
   2934             xmlShellLoad(ctxt, arg, NULL, NULL);
   2935 #ifdef LIBXML_SCHEMAS_ENABLED
   2936         } else if (!strcmp(command, "relaxng")) {
   2937             xmlShellRNGValidate(ctxt, arg, NULL, NULL);
   2938 #endif
   2939 #ifdef LIBXML_OUTPUT_ENABLED
   2940         } else if (!strcmp(command, "save")) {
   2941             xmlShellSave(ctxt, arg, NULL, NULL);
   2942         } else if (!strcmp(command, "write")) {
   2943 	    if ((arg == NULL) || (arg[0] == 0))
   2944 		xmlGenericError(xmlGenericErrorContext,
   2945                         "Write command requires a filename argument\n");
   2946 	    else
   2947 		xmlShellWrite(ctxt, arg, NULL, NULL);
   2948 #endif /* LIBXML_OUTPUT_ENABLED */
   2949         } else if (!strcmp(command, "grep")) {
   2950             xmlShellGrep(ctxt, arg, ctxt->node, NULL);
   2951         } else if (!strcmp(command, "free")) {
   2952             if (arg[0] == 0) {
   2953                 xmlMemShow(ctxt->output, 0);
   2954             } else {
   2955                 int len = 0;
   2956 
   2957                 sscanf(arg, "%d", &len);
   2958                 xmlMemShow(ctxt->output, len);
   2959             }
   2960         } else if (!strcmp(command, "pwd")) {
   2961             char dir[500];
   2962 
   2963             if (!xmlShellPwd(ctxt, dir, ctxt->node, NULL))
   2964                 fprintf(ctxt->output, "%s\n", dir);
   2965         } else if (!strcmp(command, "du")) {
   2966             xmlShellDu(ctxt, NULL, ctxt->node, NULL);
   2967         } else if (!strcmp(command, "base")) {
   2968             xmlShellBase(ctxt, NULL, ctxt->node, NULL);
   2969         } else if (!strcmp(command, "set")) {
   2970 	    xmlShellSetContent(ctxt, arg, ctxt->node, NULL);
   2971 #ifdef LIBXML_XPATH_ENABLED
   2972         } else if (!strcmp(command, "setns")) {
   2973             if (arg[0] == 0) {
   2974 		xmlGenericError(xmlGenericErrorContext,
   2975 				"setns: prefix=[nsuri] required\n");
   2976             } else {
   2977                 xmlShellRegisterNamespace(ctxt, arg, NULL, NULL);
   2978             }
   2979         } else if (!strcmp(command, "setrootns")) {
   2980 	    xmlNodePtr root;
   2981 
   2982 	    root = xmlDocGetRootElement(ctxt->doc);
   2983 	    xmlShellRegisterRootNamespaces(ctxt, NULL, root, NULL);
   2984         } else if (!strcmp(command, "xpath")) {
   2985             if (arg[0] == 0) {
   2986 		xmlGenericError(xmlGenericErrorContext,
   2987 				"xpath: expression required\n");
   2988 	    } else {
   2989                 ctxt->pctxt->node = ctxt->node;
   2990                 list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt);
   2991 		xmlXPathDebugDumpObject(ctxt->output, list, 0);
   2992 		xmlXPathFreeObject(list);
   2993 	    }
   2994 #endif /* LIBXML_XPATH_ENABLED */
   2995 #ifdef LIBXML_TREE_ENABLED
   2996         } else if (!strcmp(command, "setbase")) {
   2997             xmlShellSetBase(ctxt, arg, ctxt->node, NULL);
   2998 #endif
   2999         } else if ((!strcmp(command, "ls")) || (!strcmp(command, "dir"))) {
   3000             int dir = (!strcmp(command, "dir"));
   3001 
   3002             if (arg[0] == 0) {
   3003                 if (dir)
   3004                     xmlShellDir(ctxt, NULL, ctxt->node, NULL);
   3005                 else
   3006                     xmlShellList(ctxt, NULL, ctxt->node, NULL);
   3007             } else {
   3008                 ctxt->pctxt->node = ctxt->node;
   3009 #ifdef LIBXML_XPATH_ENABLED
   3010                 ctxt->pctxt->node = ctxt->node;
   3011                 list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt);
   3012 #else
   3013                 list = NULL;
   3014 #endif /* LIBXML_XPATH_ENABLED */
   3015                 if (list != NULL) {
   3016                     switch (list->type) {
   3017                         case XPATH_UNDEFINED:
   3018                             xmlGenericError(xmlGenericErrorContext,
   3019                                             "%s: no such node\n", arg);
   3020                             break;
   3021                         case XPATH_NODESET:{
   3022                                 int indx;
   3023 
   3024 				if (list->nodesetval == NULL)
   3025 				    break;
   3026 
   3027                                 for (indx = 0;
   3028                                      indx < list->nodesetval->nodeNr;
   3029                                      indx++) {
   3030                                     if (dir)
   3031                                         xmlShellDir(ctxt, NULL,
   3032                                                     list->nodesetval->
   3033                                                     nodeTab[indx], NULL);
   3034                                     else
   3035                                         xmlShellList(ctxt, NULL,
   3036                                                      list->nodesetval->
   3037                                                      nodeTab[indx], NULL);
   3038                                 }
   3039                                 break;
   3040                             }
   3041                         case XPATH_BOOLEAN:
   3042                             xmlGenericError(xmlGenericErrorContext,
   3043                                             "%s is a Boolean\n", arg);
   3044                             break;
   3045                         case XPATH_NUMBER:
   3046                             xmlGenericError(xmlGenericErrorContext,
   3047                                             "%s is a number\n", arg);
   3048                             break;
   3049                         case XPATH_STRING:
   3050                             xmlGenericError(xmlGenericErrorContext,
   3051                                             "%s is a string\n", arg);
   3052                             break;
   3053                         case XPATH_POINT:
   3054                             xmlGenericError(xmlGenericErrorContext,
   3055                                             "%s is a point\n", arg);
   3056                             break;
   3057                         case XPATH_RANGE:
   3058                             xmlGenericError(xmlGenericErrorContext,
   3059                                             "%s is a range\n", arg);
   3060                             break;
   3061                         case XPATH_LOCATIONSET:
   3062                             xmlGenericError(xmlGenericErrorContext,
   3063                                             "%s is a range\n", arg);
   3064                             break;
   3065                         case XPATH_USERS:
   3066                             xmlGenericError(xmlGenericErrorContext,
   3067                                             "%s is user-defined\n", arg);
   3068                             break;
   3069                         case XPATH_XSLT_TREE:
   3070                             xmlGenericError(xmlGenericErrorContext,
   3071                                             "%s is an XSLT value tree\n",
   3072                                             arg);
   3073                             break;
   3074                     }
   3075 #ifdef LIBXML_XPATH_ENABLED
   3076                     xmlXPathFreeObject(list);
   3077 #endif
   3078                 } else {
   3079                     xmlGenericError(xmlGenericErrorContext,
   3080                                     "%s: no such node\n", arg);
   3081                 }
   3082                 ctxt->pctxt->node = NULL;
   3083             }
   3084         } else if (!strcmp(command, "cd")) {
   3085             if (arg[0] == 0) {
   3086                 ctxt->node = (xmlNodePtr) ctxt->doc;
   3087             } else {
   3088 #ifdef LIBXML_XPATH_ENABLED
   3089                 ctxt->pctxt->node = ctxt->node;
   3090                 list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt);
   3091 #else
   3092                 list = NULL;
   3093 #endif /* LIBXML_XPATH_ENABLED */
   3094                 if (list != NULL) {
   3095                     switch (list->type) {
   3096                         case XPATH_UNDEFINED:
   3097                             xmlGenericError(xmlGenericErrorContext,
   3098                                             "%s: no such node\n", arg);
   3099                             break;
   3100                         case XPATH_NODESET:
   3101                             if (list->nodesetval != NULL) {
   3102 				if (list->nodesetval->nodeNr == 1) {
   3103 				    ctxt->node = list->nodesetval->nodeTab[0];
   3104 				    if ((ctxt->node != NULL) &&
   3105 				        (ctxt->node->type ==
   3106 					 XML_NAMESPACE_DECL)) {
   3107 					xmlGenericError(xmlGenericErrorContext,
   3108 						    "cannot cd to namespace\n");
   3109 					ctxt->node = NULL;
   3110 				    }
   3111 				} else
   3112 				    xmlGenericError(xmlGenericErrorContext,
   3113 						    "%s is a %d Node Set\n",
   3114 						    arg,
   3115 						    list->nodesetval->nodeNr);
   3116                             } else
   3117                                 xmlGenericError(xmlGenericErrorContext,
   3118                                                 "%s is an empty Node Set\n",
   3119                                                 arg);
   3120                             break;
   3121                         case XPATH_BOOLEAN:
   3122                             xmlGenericError(xmlGenericErrorContext,
   3123                                             "%s is a Boolean\n", arg);
   3124                             break;
   3125                         case XPATH_NUMBER:
   3126                             xmlGenericError(xmlGenericErrorContext,
   3127                                             "%s is a number\n", arg);
   3128                             break;
   3129                         case XPATH_STRING:
   3130                             xmlGenericError(xmlGenericErrorContext,
   3131                                             "%s is a string\n", arg);
   3132                             break;
   3133                         case XPATH_POINT:
   3134                             xmlGenericError(xmlGenericErrorContext,
   3135                                             "%s is a point\n", arg);
   3136                             break;
   3137                         case XPATH_RANGE:
   3138                             xmlGenericError(xmlGenericErrorContext,
   3139                                             "%s is a range\n", arg);
   3140                             break;
   3141                         case XPATH_LOCATIONSET:
   3142                             xmlGenericError(xmlGenericErrorContext,
   3143                                             "%s is a range\n", arg);
   3144                             break;
   3145                         case XPATH_USERS:
   3146                             xmlGenericError(xmlGenericErrorContext,
   3147                                             "%s is user-defined\n", arg);
   3148                             break;
   3149                         case XPATH_XSLT_TREE:
   3150                             xmlGenericError(xmlGenericErrorContext,
   3151                                             "%s is an XSLT value tree\n",
   3152                                             arg);
   3153                             break;
   3154                     }
   3155 #ifdef LIBXML_XPATH_ENABLED
   3156                     xmlXPathFreeObject(list);
   3157 #endif
   3158                 } else {
   3159                     xmlGenericError(xmlGenericErrorContext,
   3160                                     "%s: no such node\n", arg);
   3161                 }
   3162                 ctxt->pctxt->node = NULL;
   3163             }
   3164 #ifdef LIBXML_OUTPUT_ENABLED
   3165         } else if (!strcmp(command, "cat")) {
   3166             if (arg[0] == 0) {
   3167                 xmlShellCat(ctxt, NULL, ctxt->node, NULL);
   3168             } else {
   3169                 ctxt->pctxt->node = ctxt->node;
   3170 #ifdef LIBXML_XPATH_ENABLED
   3171                 ctxt->pctxt->node = ctxt->node;
   3172                 list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt);
   3173 #else
   3174                 list = NULL;
   3175 #endif /* LIBXML_XPATH_ENABLED */
   3176                 if (list != NULL) {
   3177                     switch (list->type) {
   3178                         case XPATH_UNDEFINED:
   3179                             xmlGenericError(xmlGenericErrorContext,
   3180                                             "%s: no such node\n", arg);
   3181                             break;
   3182                         case XPATH_NODESET:{
   3183                                 int indx;
   3184 
   3185 				if (list->nodesetval == NULL)
   3186 				    break;
   3187 
   3188                                 for (indx = 0;
   3189                                      indx < list->nodesetval->nodeNr;
   3190                                      indx++) {
   3191                                     if (i > 0)
   3192                                         fprintf(ctxt->output, " -------\n");
   3193                                     xmlShellCat(ctxt, NULL,
   3194                                                 list->nodesetval->
   3195                                                 nodeTab[indx], NULL);
   3196                                 }
   3197                                 break;
   3198                             }
   3199                         case XPATH_BOOLEAN:
   3200                             xmlGenericError(xmlGenericErrorContext,
   3201                                             "%s is a Boolean\n", arg);
   3202                             break;
   3203                         case XPATH_NUMBER:
   3204                             xmlGenericError(xmlGenericErrorContext,
   3205                                             "%s is a number\n", arg);
   3206                             break;
   3207                         case XPATH_STRING:
   3208                             xmlGenericError(xmlGenericErrorContext,
   3209                                             "%s is a string\n", arg);
   3210                             break;
   3211                         case XPATH_POINT:
   3212                             xmlGenericError(xmlGenericErrorContext,
   3213                                             "%s is a point\n", arg);
   3214                             break;
   3215                         case XPATH_RANGE:
   3216                             xmlGenericError(xmlGenericErrorContext,
   3217                                             "%s is a range\n", arg);
   3218                             break;
   3219                         case XPATH_LOCATIONSET:
   3220                             xmlGenericError(xmlGenericErrorContext,
   3221                                             "%s is a range\n", arg);
   3222                             break;
   3223                         case XPATH_USERS:
   3224                             xmlGenericError(xmlGenericErrorContext,
   3225                                             "%s is user-defined\n", arg);
   3226                             break;
   3227                         case XPATH_XSLT_TREE:
   3228                             xmlGenericError(xmlGenericErrorContext,
   3229                                             "%s is an XSLT value tree\n",
   3230                                             arg);
   3231                             break;
   3232                     }
   3233 #ifdef LIBXML_XPATH_ENABLED
   3234                     xmlXPathFreeObject(list);
   3235 #endif
   3236                 } else {
   3237                     xmlGenericError(xmlGenericErrorContext,
   3238                                     "%s: no such node\n", arg);
   3239                 }
   3240                 ctxt->pctxt->node = NULL;
   3241             }
   3242 #endif /* LIBXML_OUTPUT_ENABLED */
   3243         } else {
   3244             xmlGenericError(xmlGenericErrorContext,
   3245                             "Unknown command %s\n", command);
   3246         }
   3247         free(cmdline);          /* not xmlFree here ! */
   3248 	cmdline = NULL;
   3249     }
   3250 #ifdef LIBXML_XPATH_ENABLED
   3251     xmlXPathFreeContext(ctxt->pctxt);
   3252 #endif /* LIBXML_XPATH_ENABLED */
   3253     if (ctxt->loaded) {
   3254         xmlFreeDoc(ctxt->doc);
   3255     }
   3256     if (ctxt->filename != NULL)
   3257         xmlFree(ctxt->filename);
   3258     xmlFree(ctxt);
   3259     if (cmdline != NULL)
   3260         free(cmdline);          /* not xmlFree here ! */
   3261 }
   3262 
   3263 #endif /* LIBXML_XPATH_ENABLED */
   3264 #define bottom_debugXML
   3265 #include "elfgcchack.h"
   3266 #endif /* LIBXML_DEBUG_ENABLED */
   3267