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      1 
      2 /*
      3  * Copyright 2006 The Android Open Source Project
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 
      9 
     10 #include "SkXMLParser.h"
     11 #include "SkStream.h"
     12 #include "SkTemplates.h"
     13 #include "tinyxml.h"
     14 
     15 static void walk_elem(SkXMLParser* parser, const TiXmlElement* elem)
     16 {
     17     //printf("walk_elem(%s) ", elem->Value());
     18 
     19     parser->startElement(elem->Value());
     20 
     21     const TiXmlAttribute* attr = elem->FirstAttribute();
     22     while (attr)
     23     {
     24         //printf("walk_elem_attr(%s=\"%s\") ", attr->Name(), attr->Value());
     25 
     26         parser->addAttribute(attr->Name(), attr->Value());
     27         attr = attr->Next();
     28     }
     29     //printf("\n");
     30 
     31     const TiXmlNode* node = elem->FirstChild();
     32     while (node)
     33     {
     34         if (node->ToElement())
     35             walk_elem(parser, node->ToElement());
     36         else if (node->ToText())
     37             parser->text(node->Value(), strlen(node->Value()));
     38         node = node->NextSibling();
     39     }
     40 
     41     parser->endElement(elem->Value());
     42 }
     43 
     44 static bool load_buf(SkXMLParser* parser, const char buf[])
     45 {
     46     TiXmlDocument                   doc;
     47 
     48     (void)doc.Parse(buf);
     49     if (doc.Error())
     50     {
     51         printf("tinyxml error: <%s> row[%d] col[%d]\n", doc.ErrorDesc(), doc.ErrorRow(), doc.ErrorCol());
     52         return false;
     53     }
     54 
     55     walk_elem(parser, doc.RootElement());
     56     return true;
     57 }
     58 
     59 bool SkXMLParser::parse(SkStream& stream)
     60 {
     61     size_t size = stream.getLength();
     62 
     63     SkAutoMalloc    buffer(size + 1);
     64     char*           buf = (char*)buffer.get();
     65 
     66     stream.read(buf, size);
     67     buf[size] = 0;
     68 
     69     return load_buf(this, buf);
     70 }
     71 
     72 bool SkXMLParser::parse(const char doc[], size_t len)
     73 {
     74     SkAutoMalloc    buffer(len + 1);
     75     char*           buf = (char*)buffer.get();
     76 
     77     memcpy(buf, doc, len);
     78     buf[len] = 0;
     79 
     80     return load_buf(this, buf);
     81 }
     82 
     83 void SkXMLParser::GetNativeErrorString(int error, SkString* str)
     84 {
     85     if (str)
     86         str->set("GetNativeErrorString not implemented for TinyXml");
     87 }
     88