/**
* xmlDictFree:
* @dict: the dictionnary
*
* Free the hash @dict and its contents. The userdata is
* deallocated with @f if provided.
*/
void
xmlDictFree(xmlDictPtr dict) {
int i;
xmlDictEntryPtr iter;
xmlDictEntryPtr next;
int inside_dict = 0;
xmlDictStringsPtr pool, nextp;
if (dict == NULL)
return;
if (!xmlDictInitialized)
if (!xmlInitializeDict())
return;
/* decrement the counter, it may be shared by a parser and docs */
xmlRMutexLock(xmlDictMutex);
dict->ref_counter--;
if (dict->ref_counter > 0) {
xmlRMutexUnlock(xmlDictMutex);
return;
}
xmlRMutexUnlock(xmlDictMutex);
if (dict->subdict != NULL) {
xmlDictFree(dict->subdict);
}
if (dict->dict) {
for (i = 0; ((i < dict->size) && (dict->nbElems > 0)); i++) {
iter = &(dict->dict[i]);
if (iter->valid == 0)
continue;
inside_dict = 1;
while (iter) {
next = iter->next;
if (!inside_dict)
xmlFree(iter);
dict->nbElems--;
inside_dict = 0;
iter = next;
}
inside_dict = 0;
}
xmlFree(dict->dict);
}
pool = dict->strings;
while (pool != NULL) {
nextp = pool->next;
xmlFree(pool);
pool = nextp;
}
xmlFreeRMutex(dict->mutex);
xmlFree(dict);
}
/**
* xmlSchematronFreeValidCtxt:
* @ctxt: the schema validation context
*
* Free the resources associated to the schema validation context
*/
void
xmlSchematronFreeValidCtxt(xmlSchematronValidCtxtPtr ctxt)
{
if (ctxt == NULL)
return;
if (ctxt->xctxt != NULL)
xmlXPathFreeContext(ctxt->xctxt);
if (ctxt->dict != NULL)
xmlDictFree(ctxt->dict);
xmlFree(ctxt);
}
/**
* xmlDictFree:
* @param dict the dictionnary
*
* Free the hash dict and its contents. The userdata is
* deallocated with f if provided.
*/
XMLPUBFUNEXPORT void
xmlDictFree(xmlDictPtr dict)
{
int i;
xmlDictEntryPtr iter;
xmlDictEntryPtr next;
int inside_dict = 0;
xmlDictStringsPtr pool, nextp;
if (!dict)
return;
/* decrement the counter, it may be shared by a parser and docs */
dict->ref_counter--;
if (dict->ref_counter > 0)
return;
if (dict->subdict) {
xmlDictFree(dict->subdict);
}
if (dict->dict) {
for(i = 0; ((i < dict->size) && (dict->nbElems > 0)); i++)
{
iter = &(dict->dict[i]);
if (iter->valid == 0)
continue;
inside_dict = 1;
while (iter)
{
next = iter->next;
if (!inside_dict)
xmlFree(iter);
dict->nbElems--;
inside_dict = 0;
iter = next;
}
inside_dict = 0;
}
xmlFree(dict->dict);
}
pool = dict->strings;
while (pool) {
nextp = pool->next;
xmlFree(pool);
pool = nextp;
}
xmlFree(dict);
}
bool XSLStyleSheet::parseString(const String& string, bool)
{
// Parse in a single chunk into an xmlDocPtr
const UChar BOM = 0xFEFF;
const unsigned char BOMHighByte = *reinterpret_cast<const unsigned char*>(&BOM);
setLoaderForLibXMLCallbacks(docLoader());
if (!m_stylesheetDocTaken)
xmlFreeDoc(m_stylesheetDoc);
m_stylesheetDocTaken = false;
#if ENABLE(INSPECTOR)
Console* console = 0;
if (Frame* frame = ownerDocument()->frame())
console = frame->domWindow()->console();
xmlSetStructuredErrorFunc(console, XSLTProcessor::parseErrorFunc);
xmlSetGenericErrorFunc(console, XSLTProcessor::genericErrorFunc);
#endif
const char* buffer = reinterpret_cast<const char*>(string.characters());
int size = string.length() * sizeof(UChar);
xmlParserCtxtPtr ctxt = xmlCreateMemoryParserCtxt(buffer, size);
if (m_parentStyleSheet) {
// The XSL transform may leave the newly-transformed document
// with references to the symbol dictionaries of the style sheet
// and any of its children. XML document disposal can corrupt memory
// if a document uses more than one symbol dictionary, so we
// ensure that all child stylesheets use the same dictionaries as their
// parents.
xmlDictFree(ctxt->dict);
ctxt->dict = m_parentStyleSheet->m_stylesheetDoc->dict;
xmlDictReference(ctxt->dict);
}
m_stylesheetDoc = xmlCtxtReadMemory(ctxt, buffer, size,
href().utf8().data(),
BOMHighByte == 0xFF ? "UTF-16LE" : "UTF-16BE",
XML_PARSE_NOENT | XML_PARSE_DTDATTR | XML_PARSE_NOWARNING | XML_PARSE_NOCDATA);
xmlFreeParserCtxt(ctxt);
loadChildSheets();
xmlSetStructuredErrorFunc(0, 0);
xmlSetGenericErrorFunc(0, 0);
setLoaderForLibXMLCallbacks(0);
return m_stylesheetDoc;
}
/**
* xmlSchematronFreeParserCtxt:
* @ctxt: the schema parser context
*
* Free the resources associated to the schema parser context
*/
void
xmlSchematronFreeParserCtxt(xmlSchematronParserCtxtPtr ctxt)
{
if (ctxt == NULL)
return;
if (ctxt->doc != NULL && !ctxt->preserve)
xmlFreeDoc(ctxt->doc);
if (ctxt->xctxt != NULL) {
xmlXPathFreeContext(ctxt->xctxt);
}
if (ctxt->namespaces != NULL)
xmlFree((char **) ctxt->namespaces);
xmlDictFree(ctxt->dict);
xmlFree(ctxt);
}
/**
* xmlSchematronFree:
* @schema: a schema structure
*
* Deallocate a Schematron structure.
*/
void
xmlSchematronFree(xmlSchematronPtr schema)
{
if (schema == NULL)
return;
if ((schema->doc != NULL) && (!(schema->preserve)))
xmlFreeDoc(schema->doc);
if (schema->namespaces != NULL)
xmlFree((char **) schema->namespaces);
xmlSchematronFreeRules(schema->rules);
xmlSchematronFreePatterns(schema->patterns);
xmlDictFree(schema->dict);
xmlFree(schema);
}
bool XSLStyleSheet::parseString(const String& string)
{
// Parse in a single chunk into an xmlDocPtr
const UChar BOM = 0xFEFF;
const unsigned char BOMHighByte = *reinterpret_cast<const unsigned char*>(&BOM);
if (!m_stylesheetDocTaken)
xmlFreeDoc(m_stylesheetDoc);
m_stylesheetDocTaken = false;
PageConsoleClient* console = nullptr;
Frame* frame = ownerDocument()->frame();
if (frame && frame->page())
console = &frame->page()->console();
XMLDocumentParserScope scope(cachedResourceLoader(), XSLTProcessor::genericErrorFunc, XSLTProcessor::parseErrorFunc, console);
auto upconvertedCharacters = StringView(string).upconvertedCharacters();
const char* buffer = reinterpret_cast<const char*>(upconvertedCharacters.get());
int size = string.length() * sizeof(UChar);
xmlParserCtxtPtr ctxt = xmlCreateMemoryParserCtxt(buffer, size);
if (!ctxt)
return 0;
if (m_parentStyleSheet) {
// The XSL transform may leave the newly-transformed document
// with references to the symbol dictionaries of the style sheet
// and any of its children. XML document disposal can corrupt memory
// if a document uses more than one symbol dictionary, so we
// ensure that all child stylesheets use the same dictionaries as their
// parents.
xmlDictFree(ctxt->dict);
ctxt->dict = m_parentStyleSheet->m_stylesheetDoc->dict;
xmlDictReference(ctxt->dict);
}
m_stylesheetDoc = xmlCtxtReadMemory(ctxt, buffer, size,
finalURL().string().utf8().data(),
BOMHighByte == 0xFF ? "UTF-16LE" : "UTF-16BE",
XML_PARSE_NOENT | XML_PARSE_DTDATTR | XML_PARSE_NOWARNING | XML_PARSE_NOCDATA);
xmlFreeParserCtxt(ctxt);
loadChildSheets();
return m_stylesheetDoc;
}
bool XSLStyleSheet::parseString(const String& source)
{
// Parse in a single chunk into an xmlDocPtr
if (!m_stylesheetDocTaken)
xmlFreeDoc(m_stylesheetDoc);
m_stylesheetDocTaken = false;
PageConsole* console = 0;
Frame* frame = ownerDocument()->frame();
if (frame && frame->host())
console = &frame->host()->console();
XMLDocumentParserScope scope(fetcher(), XSLTProcessor::genericErrorFunc, XSLTProcessor::parseErrorFunc, console);
XMLParserInput input(source);
xmlParserCtxtPtr ctxt = xmlCreateMemoryParserCtxt(input.data(), input.size());
if (!ctxt)
return 0;
if (m_parentStyleSheet) {
// The XSL transform may leave the newly-transformed document
// with references to the symbol dictionaries of the style sheet
// and any of its children. XML document disposal can corrupt memory
// if a document uses more than one symbol dictionary, so we
// ensure that all child stylesheets use the same dictionaries as their
// parents.
xmlDictFree(ctxt->dict);
ctxt->dict = m_parentStyleSheet->m_stylesheetDoc->dict;
xmlDictReference(ctxt->dict);
}
m_stylesheetDoc = xmlCtxtReadMemory(ctxt, input.data(), input.size(),
finalURL().string().utf8().data(), input.encoding(),
XML_PARSE_NOENT | XML_PARSE_DTDATTR | XML_PARSE_NOWARNING | XML_PARSE_NOCDATA);
xmlFreeParserCtxt(ctxt);
loadChildSheets();
return m_stylesheetDoc;
}
/*
* Test a single dictionary
*/
static int run_test1(void) {
int i, j;
xmlDictPtr dict;
int ret = 0;
xmlChar prefix[40];
xmlChar *cur, *pref;
const xmlChar *tmp;
dict = xmlDictCreate();
if (dict == NULL) {
fprintf(stderr, "Out of memory while creating dictionary\n");
exit(1);
}
memset(test1, 0, sizeof(test1));
/*
* Fill in NB_STRINGS_MIN, at this point the dictionary should not grow
* and we allocate all those doing the fast key computations
*/
for (i = 0;i < NB_STRINGS_MIN;i++) {
test1[i] = xmlDictLookup(dict, strings1[i], -1);
if (test1[i] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings1[i]);
ret = 1;
nbErrors++;
}
}
j = NB_STRINGS_MAX - NB_STRINGS_NS;
/* ":foo" like strings1 */
for (i = 0;i < NB_STRINGS_MIN;i++, j++) {
test1[j] = xmlDictLookup(dict, strings1[j], xmlStrlen(strings1[j]));
if (test1[j] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings1[j]);
ret = 1;
nbErrors++;
}
}
/* "a:foo" like strings1 */
j = NB_STRINGS_MAX - NB_STRINGS_MIN;
for (i = 0;i < NB_STRINGS_MIN;i++, j++) {
test1[j] = xmlDictLookup(dict, strings1[j], xmlStrlen(strings1[j]));
if (test1[j] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings1[j]);
ret = 1;
nbErrors++;
}
}
/*
* At this point allocate all the strings
* the dictionary will grow in the process, reallocate more string tables
* and switch to the better key generator
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (test1[i] != NULL)
continue;
test1[i] = xmlDictLookup(dict, strings1[i], -1);
if (test1[i] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings1[i]);
ret = 1;
nbErrors++;
}
}
/*
* Now we can start to test things, first that all strings1 belongs to
* the dict
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (!xmlDictOwns(dict, test1[i])) {
fprintf(stderr, "Failed ownership failure for '%s'\n",
strings1[i]);
ret = 1;
nbErrors++;
}
}
/*
* Then that another lookup to the string will return the same
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (xmlDictLookup(dict, strings1[i], -1) != test1[i]) {
fprintf(stderr, "Failed re-lookup check for %d, '%s'\n",
i, strings1[i]);
ret = 1;
nbErrors++;
}
}
/*
* More complex, check the QName lookups
*/
for (i = NB_STRINGS_MAX - NB_STRINGS_NS;i < NB_STRINGS_MAX;i++) {
cur = strings1[i];
pref = &prefix[0];
while (*cur != ':') *pref++ = *cur++;
cur++;
*pref = 0;
tmp = xmlDictQLookup(dict, &prefix[0], cur);
if (tmp != test1[i]) {
fprintf(stderr, "Failed lookup check for '%s':'%s'\n",
&prefix[0], cur);
ret = 1;
nbErrors++;
}
}
run_test2(dict);
xmlDictFree(dict);
return(ret);
}
/*
* This tests the sub-dictionary support
*/
static int run_test2(xmlDictPtr parent) {
int i, j;
xmlDictPtr dict;
int ret = 0;
xmlChar prefix[40];
xmlChar *cur, *pref;
const xmlChar *tmp;
dict = xmlDictCreateSub(parent);
if (dict == NULL) {
fprintf(stderr, "Out of memory while creating sub-dictionary\n");
exit(1);
}
memset(test2, 0, sizeof(test2));
/*
* Fill in NB_STRINGS_MIN, at this point the dictionary should not grow
* and we allocate all those doing the fast key computations
* All the strings are based on a different seeds subset so we know
* they are allocated in the main dictionary, not coming from the parent
*/
for (i = 0;i < NB_STRINGS_MIN;i++) {
test2[i] = xmlDictLookup(dict, strings2[i], -1);
if (test2[i] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings2[i]);
ret = 1;
nbErrors++;
}
}
j = NB_STRINGS_MAX - NB_STRINGS_NS;
/* ":foo" like strings2 */
for (i = 0;i < NB_STRINGS_MIN;i++, j++) {
test2[j] = xmlDictLookup(dict, strings2[j], xmlStrlen(strings2[j]));
if (test2[j] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings2[j]);
ret = 1;
nbErrors++;
}
}
/* "a:foo" like strings2 */
j = NB_STRINGS_MAX - NB_STRINGS_MIN;
for (i = 0;i < NB_STRINGS_MIN;i++, j++) {
test2[j] = xmlDictLookup(dict, strings2[j], xmlStrlen(strings2[j]));
if (test2[j] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings2[j]);
ret = 1;
nbErrors++;
}
}
/*
* At this point allocate all the strings
* the dictionary will grow in the process, reallocate more string tables
* and switch to the better key generator
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (test2[i] != NULL)
continue;
test2[i] = xmlDictLookup(dict, strings2[i], -1);
if (test2[i] == NULL) {
fprintf(stderr, "Failed lookup for '%s'\n", strings2[i]);
ret = 1;
nbErrors++;
}
}
/*
* Now we can start to test things, first that all strings2 belongs to
* the dict, and that none of them was actually allocated in the parent
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (!xmlDictOwns(dict, test2[i])) {
fprintf(stderr, "Failed ownership failure for '%s'\n",
strings2[i]);
ret = 1;
nbErrors++;
}
if (xmlDictOwns(parent, test2[i])) {
fprintf(stderr, "Failed parent ownership failure for '%s'\n",
strings2[i]);
ret = 1;
nbErrors++;
}
}
/*
* Also verify that all strings from the parent are seen from the subdict
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (!xmlDictOwns(dict, test1[i])) {
fprintf(stderr, "Failed sub-ownership failure for '%s'\n",
strings1[i]);
ret = 1;
nbErrors++;
}
}
/*
* Then that another lookup to the string in sub will return the same
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (xmlDictLookup(dict, strings2[i], -1) != test2[i]) {
fprintf(stderr, "Failed re-lookup check for %d, '%s'\n",
i, strings2[i]);
ret = 1;
nbErrors++;
}
}
/*
* But also that any lookup for a string in the parent will be provided
* as in the parent
*/
for (i = 0;i < NB_STRINGS_MAX;i++) {
if (xmlDictLookup(dict, strings1[i], -1) != test1[i]) {
fprintf(stderr, "Failed parent string lookup check for %d, '%s'\n",
i, strings1[i]);
ret = 1;
nbErrors++;
}
}
/*
* check the QName lookups
*/
for (i = NB_STRINGS_MAX - NB_STRINGS_NS;i < NB_STRINGS_MAX;i++) {
cur = strings2[i];
pref = &prefix[0];
while (*cur != ':') *pref++ = *cur++;
cur++;
*pref = 0;
tmp = xmlDictQLookup(dict, &prefix[0], cur);
if (tmp != test2[i]) {
fprintf(stderr, "Failed lookup check for '%s':'%s'\n",
&prefix[0], cur);
ret = 1;
nbErrors++;
}
}
/*
* check the QName lookups for strings from the parent
*/
for (i = NB_STRINGS_MAX - NB_STRINGS_NS;i < NB_STRINGS_MAX;i++) {
cur = strings1[i];
pref = &prefix[0];
while (*cur != ':') *pref++ = *cur++;
cur++;
*pref = 0;
tmp = xmlDictQLookup(dict, &prefix[0], cur);
if (xmlDictQLookup(dict, &prefix[0], cur) != test1[i]) {
fprintf(stderr, "Failed parent lookup check for '%s':'%s'\n",
&prefix[0], cur);
ret = 1;
nbErrors++;
}
}
xmlDictFree(dict);
return(ret);
}
