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test: Add push parser test with overridden encoding

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After recent changes, it should work to call xmlSwitchEncoding to
override the encoding for the push parser. This was never properly
supported, so Chromium and WebKit added a hack to reset the encoding in
the startDocument SAX handler.
This commit is contained in:
Nick Wellnhofer 2023-08-08 15:19:49 +02:00
parent ec7be50662
commit a0462e2d54
1 changed files with 62 additions and 3 deletions
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65
testchar.c
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@ -713,9 +713,65 @@ error:
return ret;
}
#if defined(LIBXML_PUSH_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
static char *
convert(xmlCharEncodingHandlerPtr handler, const char *utf8, int size,
int *outSize) {
char *ret;
int inlen;
int res;
inlen = size;
*outSize = size * 2;
ret = xmlMalloc(*outSize);
if (ret == NULL)
return(NULL);
res = handler->output(BAD_CAST ret, outSize, BAD_CAST utf8, &inlen);
if ((res < 0) || (inlen != size)) {
xmlFree(ret);
return(NULL);
}
return(ret);
}
static int
testUserEncodingPush(void) {
xmlCharEncodingHandlerPtr handler;
xmlParserCtxtPtr ctxt;
xmlDocPtr doc;
char buf[] =
"\xEF\xBB\xBF"
"<?xml version='1.0' encoding='ISO-8859-1'?>\n"
"<d>text</d>\n";
char *utf16;
int utf16Size;
int ret = 1;
handler = xmlGetCharEncodingHandler(XML_CHAR_ENCODING_UTF16LE);
utf16 = convert(handler, buf, sizeof(buf) - 1, &utf16Size);
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
xmlSwitchEncoding(ctxt, XML_CHAR_ENCODING_UTF16LE);
xmlParseChunk(ctxt, utf16, utf16Size, 0);
xmlParseChunk(ctxt, NULL, 0, 1);
doc = ctxt->myDoc;
if ((doc != NULL) &&
(doc->children != NULL) &&
(doc->children->children != NULL) &&
(xmlStrcmp(doc->children->children->content, BAD_CAST "text") == 0))
ret = 0;
xmlFreeDoc(doc);
xmlFreeParserCtxt(ctxt);
xmlFree(utf16);
return(ret);
}
static int
testUTF8Chunks(void) {
#if defined(LIBXML_PUSH_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
xmlParserCtxtPtr ctxt;
xmlChar *out;
int outSize;
@ -786,11 +842,11 @@ error:
xmlFreeParserCtxt(ctxt);
return(ret);
#else
return(0);
#endif
}
#endif
int main(void) {
int ret = 0;
@ -814,7 +870,10 @@ int main(void) {
ret += testCharRanges();
ret += testDocumentRanges();
ret += testUserEncoding();
#if defined(LIBXML_PUSH_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
ret += testUserEncodingPush();
ret += testUTF8Chunks();
#endif
/*
* Cleanup function for the XML library.