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      1 /*
      2  *******************************************************************************
      3  *
      4  *   Copyright (C) 1999-2013, International Business Machines
      5  *   Corporation and others.  All Rights Reserved.
      6  *
      7  *******************************************************************************
      8  *   file name:  gendata.cpp
      9  *
     10  *   created on: 11/03/2000
     11  *   created by: Eric R. Mader
     12  */
     13 
     14 #include <stdio.h>
     15 #include <string.h>
     16 #include <time.h>
     17 
     18 #include "unicode/utypes.h"
     19 #include "unicode/unistr.h"
     20 #include "unicode/uscript.h"
     21 #include "unicode/ubidi.h"
     22 #include "unicode/ustring.h"
     23 
     24 #include "layout/LETypes.h"
     25 #include "layout/LEScripts.h"
     26 #include "layout/LayoutEngine.h"
     27 
     28 #include "PortableFontInstance.h"
     29 #include "SimpleFontInstance.h"
     30 
     31 #include "xmlparser.h"
     32 
     33 #include "letsutil.h"
     34 #include "letest.h"
     35 
     36 U_NAMESPACE_USE
     37 
     38 static LEErrorCode overallStatus = LE_NO_ERROR;
     39 struct TestInput
     40 {
     41     const char *fontName;
     42     LEUnicode  *text;
     43     le_int32    textLength;
     44     le_int32    scriptCode;
     45     le_bool     rightToLeft;
     46 };
     47 
     48 /* Returns the path to icu/source/test/testdata/ */
     49 const char *getSourceTestData() {
     50     const char *srcDataDir = NULL;
     51 #ifdef U_TOPSRCDIR
     52     srcDataDir =  U_TOPSRCDIR  U_FILE_SEP_STRING "test" U_FILE_SEP_STRING "testdata" U_FILE_SEP_STRING;
     53 #else
     54     srcDataDir = ".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING;
     55     FILE *f = fopen(".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING"rbbitst.txt", "r");
     56 
     57     if (f != NULL) {
     58         /* We're in icu/source/test/letest/ */
     59         fclose(f);
     60     } else {
     61         /* We're in icu/source/test/letest/(Debug|Release) */
     62         srcDataDir = ".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING;
     63     }
     64 #endif
     65 
     66     return srcDataDir;
     67 }
     68 
     69 const char *getPath(char buffer[2048], const char *filename) {
     70     const char *testDataDirectory = getSourceTestData();
     71 
     72     strcpy(buffer, testDataDirectory);
     73     strcat(buffer, filename);
     74 
     75     return buffer;
     76 }
     77 
     78 /*
     79  * FIXME: should use the output file name and the current date.
     80  */
     81 const char *header =
     82     "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
     83     "\n"
     84     "<!--\n"
     85     "  Copyright (c) 1999-%4.4d International Business Machines\n"
     86     "  Corporation and others. All rights reserved.\n"
     87     "\n"
     88     "  WARNING: THIS FILE IS MACHINE GENERATED. DO NOT HAND EDIT IT\n"
     89     "  UNLESS YOU REALLY KNOW WHAT YOU'RE DOING.\n"
     90     "\n"
     91     "  file name:    letest.xml\n"
     92     "  generated on: %s\n"
     93     "  generated by: gendata.cpp\n"
     94     "-->\n"
     95     "\n"
     96     "<layout-tests>\n";
     97 
     98 void dumpLongs(FILE *file, const char *tag, le_int32 *longs, le_int32 count) {
     99     char lineBuffer[8 * 12 + 2];
    100     le_int32 bufp = 0;
    101 
    102     fprintf(file, "        <%s>\n", tag);
    103 
    104     for (int i = 0; i < count; i += 1) {
    105         if (i % 8 == 0 && bufp != 0) {
    106             fprintf(file, "            %s\n", lineBuffer);
    107             bufp = 0;
    108         }
    109 
    110         bufp += sprintf(&lineBuffer[bufp], "0x%8.8X, ", longs[i]);
    111     }
    112 
    113     if (bufp != 0) {
    114         lineBuffer[bufp - 2] = '\0';
    115         fprintf(file, "            %s\n", lineBuffer);
    116     }
    117 
    118     fprintf(file, "        </%s>\n\n", tag);
    119 }
    120 
    121 void dumpFloats(FILE *file, const char *tag, float *floats, le_int32 count) {
    122     char lineBuffer[8 * 16 + 2];
    123     le_int32 bufp = 0;
    124 
    125     fprintf(file, "        <%s>\n", tag);
    126 
    127     for (int i = 0; i < count; i += 1) {
    128         if (i % 8 == 0 && bufp != 0) {
    129             fprintf(file, "            %s\n", lineBuffer);
    130             bufp = 0;
    131         }
    132 
    133         bufp += sprintf(&lineBuffer[bufp], "%f, ", floats[i]);
    134     }
    135 
    136     if (bufp != 0) {
    137         lineBuffer[bufp - 2] = '\0';
    138         fprintf(file, "            %s\n", lineBuffer);
    139     }
    140 
    141     fprintf(file, "        </%s>\n", tag);
    142 }
    143 
    144 int main(int argc, char *argv[])
    145 {
    146     UErrorCode status = U_ZERO_ERROR;
    147     const char *gendataFile = "gendata.xml";
    148     FILE *outputFile = fopen(argv[1], "w");
    149     if(argc>2) {
    150       gendataFile = argv[2];
    151     }
    152     time_t now = time(NULL);
    153     struct tm *local = localtime(&now);
    154     const char *tmFormat = "%m/%d/%Y %I:%M:%S %p %Z";
    155     char  tmString[64];
    156     le_uint32 count = 0;
    157     strftime(tmString, 64, tmFormat, local);
    158     fprintf(outputFile, header, local->tm_year + 1900, tmString);
    159 
    160     UXMLParser  *parser = UXMLParser::createParser(status);
    161     UXMLElement *root   = parser->parseFile(gendataFile, status);
    162 
    163     if (root == NULL) {
    164       printf("Error: Could not open %s\n", gendataFile);
    165         delete parser;
    166         return -1;
    167     } else if(U_FAILURE(status)) {
    168       printf("Error reading %s: %s\n", gendataFile, u_errorName(status));
    169       return -2;
    170     } else {
    171       printf("Reading %s\n", gendataFile);
    172     }
    173 
    174     UnicodeString test_case        = UNICODE_STRING_SIMPLE("test-case");
    175     UnicodeString test_text        = UNICODE_STRING_SIMPLE("test-text");
    176     UnicodeString test_font        = UNICODE_STRING_SIMPLE("test-font");
    177 
    178     // test-case attributes
    179     UnicodeString id_attr     = UNICODE_STRING_SIMPLE("id");
    180     UnicodeString script_attr = UNICODE_STRING_SIMPLE("script");
    181     UnicodeString lang_attr   = UNICODE_STRING_SIMPLE("lang");
    182 
    183     // test-font attributes
    184     UnicodeString name_attr   = UNICODE_STRING_SIMPLE("name");
    185 
    186     const UXMLElement *testCase;
    187     int32_t tc = 0;
    188 
    189     while((testCase = root->nextChildElement(tc)) != NULL) {
    190         if (testCase->getTagName().compare(test_case) == 0) {
    191             char *id = getCString(testCase->getAttribute(id_attr));
    192             char *script = getCString(testCase->getAttribute(script_attr));
    193             char *lang   = getCString(testCase->getAttribute(lang_attr));
    194             ++count;
    195             printf("\n ID %s\n", id);
    196             LEFontInstance *font = NULL;
    197             const UXMLElement *element;
    198             int32_t ec = 0;
    199             int32_t charCount = 0;
    200             int32_t typoFlags = LayoutEngine::kTypoFlagKern | LayoutEngine::kTypoFlagLiga; // kerning + ligatures...
    201             UScriptCode scriptCode;
    202             le_int32 languageCode = -1;
    203             UnicodeString text;
    204             int32_t glyphCount = 0;
    205             LEErrorCode leStatus = LE_NO_ERROR;
    206             LayoutEngine *engine = NULL;
    207             LEGlyphID *glyphs    = NULL;
    208             le_int32  *indices   = NULL;
    209             float     *positions = NULL;
    210 
    211             uscript_getCode(script, &scriptCode, 1, &status);
    212             if (LE_FAILURE(status)) {
    213                 printf("Error: invalid script name: %s.\n", script);
    214                 goto free_c_strings;
    215             }
    216 
    217             if (lang != NULL) {
    218                 languageCode = getLanguageCode(lang);
    219 
    220                 if (languageCode < 0) {
    221                     printf("Error: invalid language name: %s.\n", lang);
    222                     goto free_c_strings;
    223                 }
    224 
    225                 fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\" lang=\"%s\">\n", id, script, lang);
    226             } else {
    227                 fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\">\n", id, script);
    228             }
    229 
    230             while((element = testCase->nextChildElement(ec)) != NULL) {
    231                 UnicodeString tag = element->getTagName();
    232 
    233                 // TODO: make sure that each element is only used once.
    234                 if (tag.compare(test_font) == 0) {
    235                     char *fontName  = getCString(element->getAttribute(name_attr));
    236                     const char *version = NULL;
    237                     char buf[2048];
    238                     PortableFontInstance *pfi = new PortableFontInstance(getPath(buf,fontName), 12, leStatus);
    239 
    240                     if (LE_FAILURE(leStatus)) {
    241                       printf("Error: could not open font: %s (path: %s)\n", fontName, buf);
    242                         freeCString(fontName);
    243                         goto free_c_strings;
    244                     }
    245 
    246                     printf(" Generating: %s, %s, %s, %s\n", id, script, lang, fontName);
    247 
    248                     version = pfi->getNameString(NAME_VERSION_STRING, PLATFORM_MACINTOSH, MACINTOSH_ROMAN, MACINTOSH_ENGLISH);
    249 
    250                     // The standard recommends that the Macintosh Roman/English name string be present, but
    251                     // if it's not, try the Microsoft Unicode/English string.
    252                     if (version == NULL) {
    253                         const LEUnicode16 *uversion = pfi->getUnicodeNameString(NAME_VERSION_STRING, PLATFORM_MICROSOFT, MICROSOFT_UNICODE_BMP, MICROSOFT_ENGLISH);
    254 
    255                         if (uversion != NULL) {
    256                           char uversion_utf8[300];
    257                           UErrorCode status2 = U_ZERO_ERROR;
    258                           u_strToUTF8(uversion_utf8, 300, NULL, uversion, -1, &status2);
    259                           if(U_FAILURE(status2)) {
    260                             uversion_utf8[0]=0;
    261                           }
    262                             fprintf(outputFile, "        <test-font name=\"%s\" version=\"%s\" checksum=\"0x%8.8X\" rchecksum=\"0x%8.8X\"/>\n\n",
    263                                     fontName, uversion_utf8, pfi->getFontChecksum(), pfi->getRawChecksum());
    264 
    265                             pfi->deleteNameString(uversion);
    266                         } else {
    267                           fprintf(outputFile, "        <test-font name=\"%s\" version=\"unknown-0x%8.8X\" checksum=\"0x%8.8X\" rchecksum=\"0x%8.8X\"/>\n\n",
    268                                   fontName, pfi->getFontChecksum(), pfi->getFontChecksum(), pfi->getRawChecksum());
    269                         }
    270                     } else {
    271                         fprintf(outputFile, "        <test-font name=\"%s\" version=\"%s\" checksum=\"0x%8.8X\" rchecksum=\"0x%8.8X\"/>\n\n",
    272                                 fontName, version, pfi->getFontChecksum(), pfi->getRawChecksum());
    273 
    274                         pfi->deleteNameString(version);
    275                     }
    276                     fflush(outputFile);
    277 
    278                     freeCString(fontName);
    279 
    280                     font = pfi;
    281                 } else if (tag.compare(test_text) == 0) {
    282                     char *utf8 = NULL;
    283 
    284                     text = element->getText(TRUE);
    285                     charCount = text.length();
    286 
    287                     utf8 = getUTF8String(&text);
    288                     fprintf(outputFile, "        <test-text>%s</test-text>\n\n", utf8);
    289                     fflush(outputFile);
    290                     freeCString(utf8);
    291                 } else {
    292                     // an unknown tag...
    293                     char *cTag = getCString(&tag);
    294 
    295                     printf("Test %s: unknown element with tag \"%s\"\n", id, cTag);
    296                     freeCString(cTag);
    297                 }
    298             }
    299 
    300             if (font == NULL) {
    301                 LEErrorCode fontStatus = LE_NO_ERROR;
    302 
    303                 font = new SimpleFontInstance(12, fontStatus);
    304                 typoFlags |= 0x80000000L;  // use CharSubstitutionFilter...
    305             }
    306 
    307             engine = LayoutEngine::layoutEngineFactory(font, scriptCode, languageCode, typoFlags, leStatus);
    308 
    309             if (LE_FAILURE(leStatus)) {
    310                 printf("Error for test %s: could not create a LayoutEngine.\n", id);
    311                 goto delete_font;
    312             }
    313 
    314             glyphCount = engine->layoutChars(text.getBuffer(), 0, charCount, charCount, getRTL(text), 0, 0, leStatus);
    315 
    316             glyphs    = NEW_ARRAY(LEGlyphID, glyphCount);
    317             indices   = NEW_ARRAY(le_int32, glyphCount);
    318             positions = NEW_ARRAY(float, glyphCount * 2 + 2);
    319 
    320             engine->getGlyphs(glyphs, leStatus);
    321             engine->getCharIndices(indices, leStatus);
    322             engine->getGlyphPositions(positions, leStatus);
    323 
    324             if(LE_FAILURE(leStatus)) {
    325               fprintf(stderr,"ERROR: LO returned error: %s\n", u_errorName((UErrorCode)leStatus));
    326               overallStatus = leStatus;
    327               fprintf(outputFile, "<!-- ERROR: %d -->\n", leStatus);
    328               fflush(outputFile);
    329               leStatus = LE_NO_ERROR;
    330             } else {
    331               dumpLongs(outputFile, "result-glyphs", (le_int32 *) glyphs, glyphCount);
    332 
    333               dumpLongs(outputFile, "result-indices", indices, glyphCount);
    334 
    335               dumpFloats(outputFile, "result-positions", positions, glyphCount * 2 + 2);
    336               fflush(outputFile);
    337 
    338             }
    339 
    340             DELETE_ARRAY(positions);
    341             DELETE_ARRAY(indices);
    342             DELETE_ARRAY(glyphs);
    343 
    344             delete engine;
    345 
    346 delete_font:
    347             fprintf(outputFile, "    </test-case>\n\n");
    348             fflush(outputFile);
    349 
    350             delete font;
    351 
    352 free_c_strings:
    353             freeCString(lang);
    354             freeCString(script);
    355             freeCString(id);
    356         }
    357     }
    358 
    359     delete root;
    360     delete parser;
    361 
    362     fprintf(outputFile, "</layout-tests>\n");
    363 
    364     if(count==0) {
    365       fprintf(stderr, "No cases processed!\n");
    366       return 1;
    367     }
    368 
    369 
    370     if(LE_FAILURE(overallStatus)) {
    371       fprintf(outputFile, "<!-- !!! FAILED. %d -->\n", overallStatus);
    372       fprintf(stderr, "!!! FAILED. %d\n", overallStatus);
    373       fclose(outputFile);
    374       return 0;
    375       //      return 1;
    376     } else {
    377       printf("Generated.\n");
    378       fclose(outputFile);
    379       return 0;
    380     }
    381 }
    382