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mirror of https://gitlab.gnome.org/GNOME/libxml2.git synced 2024-12-23 17:33:50 +03:00
libxml2/testparser.c
Nick Wellnhofer ecfbcc8a52 parser: Rework general entity parsing
Don't create a new parser context but reuse the existing one.

This exposes bug #601 in a more obvious way.
2023-12-25 23:38:40 +01:00

196 lines
4.9 KiB
C

/*
* testparser.c: Additional parser tests
*
* See Copyright for the status of this software.
*/
#include <libxml/parser.h>
#include <libxml/xmlreader.h>
#include <string.h>
#ifdef LIBXML_SAX1_ENABLED
static int
testBalancedChunk(void) {
xmlNodePtr list;
xmlNodePtr elem;
int ret;
int err = 0;
ret = xmlParseBalancedChunkMemory(NULL, NULL, NULL, 0,
BAD_CAST "start <node xml:lang='en'>abc</node> end", &list);
if ((ret != XML_ERR_OK) ||
(list == NULL) ||
((elem = list->next) == NULL) ||
(elem->type != XML_ELEMENT_NODE) ||
(elem->nsDef == NULL) ||
(!xmlStrEqual(elem->nsDef->href, XML_XML_NAMESPACE))) {
fprintf(stderr, "xmlParseBalancedChunkMemory failed\n");
err = 1;
}
xmlFreeNodeList(list);
return(err);
}
#endif
#ifdef LIBXML_PUSH_ENABLED
static int
testHugePush(void) {
xmlParserCtxtPtr ctxt;
int err, i;
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
/*
* Push parse a document larger than XML_MAX_LOOKUP_LIMIT
* (10,000,000 bytes). This mainly tests whether shrinking the
* buffer works when push parsing.
*/
xmlParseChunk(ctxt, "<doc>", 5, 0);
for (i = 0; i < 1000000; i++)
xmlParseChunk(ctxt, "<elem>text</elem>", 17, 0);
xmlParseChunk(ctxt, "</doc>", 6, 1);
err = ctxt->wellFormed ? 0 : 1;
xmlFreeDoc(ctxt->myDoc);
xmlFreeParserCtxt(ctxt);
return err;
}
static int
testHugeEncodedChunk(void) {
xmlBufferPtr buf;
xmlChar *chunk;
xmlParserCtxtPtr ctxt;
int err, i;
/*
* Test the push parser with a built-in encoding handler like ISO-8859-1
* and a chunk larger than the initial decoded buffer (currently 4 KB).
*/
buf = xmlBufferCreate();
xmlBufferCat(buf,
BAD_CAST "<?xml version='1.0' encoding='ISO-8859-1'?>\n");
xmlBufferCat(buf, BAD_CAST "<doc><!-- ");
for (i = 0; i < 2000; i++)
xmlBufferCat(buf, BAD_CAST "0123456789");
xmlBufferCat(buf, BAD_CAST " --></doc>");
chunk = xmlBufferDetach(buf);
xmlBufferFree(buf);
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
xmlParseChunk(ctxt, (char *) chunk, xmlStrlen(chunk), 0);
xmlParseChunk(ctxt, NULL, 0, 1);
err = ctxt->wellFormed ? 0 : 1;
xmlFreeDoc(ctxt->myDoc);
xmlFreeParserCtxt(ctxt);
xmlFree(chunk);
return err;
}
#endif
#if defined(LIBXML_READER_ENABLED) && defined(LIBXML_XINCLUDE_ENABLED)
typedef struct {
char *message;
int code;
} testReaderErrorCtxt;
static void
testReaderError(void *arg, const char *msg,
xmlParserSeverities severity ATTRIBUTE_UNUSED,
xmlTextReaderLocatorPtr locator ATTRIBUTE_UNUSED) {
testReaderErrorCtxt *ctxt = arg;
if (ctxt->message != NULL)
xmlFree(ctxt->message);
ctxt->message = xmlMemStrdup(msg);
}
static void
testStructuredReaderError(void *arg, const xmlError *error) {
testReaderErrorCtxt *ctxt = arg;
if (ctxt->message != NULL)
xmlFree(ctxt->message);
ctxt->message = xmlMemStrdup(error->message);
ctxt->code = error->code;
}
static int
testReaderXIncludeError(void) {
/*
* Test whether XInclude errors are reported to the custom error
* handler of a reader.
*/
const char *doc =
"<doc xmlns:xi='http://www.w3.org/2001/XInclude'>\n"
" <xi:include/>\n"
"</doc>\n";
xmlTextReader *reader;
testReaderErrorCtxt errorCtxt;
int err = 0;
reader = xmlReaderForDoc(BAD_CAST doc, NULL, NULL, XML_PARSE_XINCLUDE);
xmlTextReaderSetErrorHandler(reader, testReaderError, &errorCtxt);
errorCtxt.message = NULL;
errorCtxt.code = 0;
while (xmlTextReaderRead(reader) > 0)
;
if (errorCtxt.message == NULL ||
strstr(errorCtxt.message, "href or xpointer") == NULL) {
fprintf(stderr, "xmlTextReaderSetErrorHandler failed\n");
err = 1;
}
xmlFree(errorCtxt.message);
xmlFreeTextReader(reader);
reader = xmlReaderForDoc(BAD_CAST doc, NULL, NULL, XML_PARSE_XINCLUDE);
xmlTextReaderSetStructuredErrorHandler(reader, testStructuredReaderError,
&errorCtxt);
errorCtxt.message = NULL;
errorCtxt.code = 0;
while (xmlTextReaderRead(reader) > 0)
;
if (errorCtxt.code != XML_XINCLUDE_NO_HREF ||
errorCtxt.message == NULL ||
strstr(errorCtxt.message, "href or xpointer") == NULL) {
fprintf(stderr, "xmlTextReaderSetStructuredErrorHandler failed\n");
err = 1;
}
xmlFree(errorCtxt.message);
xmlFreeTextReader(reader);
return err;
}
#endif
int
main(void) {
int err = 0;
#ifdef LIBXML_SAX1_ENABLED
err |= testBalancedChunk();
#endif
#ifdef LIBXML_PUSH_ENABLED
err |= testHugePush();
err |= testHugeEncodedChunk();
#endif
#if defined(LIBXML_READER_ENABLED) && defined(LIBXML_XINCLUDE_ENABLED)
err |= testReaderXIncludeError();
#endif
return err;
}