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Code

Cache presence of '<' in entities content

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slightly modify how ent->checked is used, and use the lowest bit to
keep the information
This commit is contained in:
Daniel Veillard 2013-03-11 15:57:55 +08:00
parent a3f1e3e571
commit cff2546f13
3 changed files with 23 additions and 14 deletions
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4
SAX2.c
View File

@ -605,7 +605,9 @@ xmlSAX2GetEntity(void *ctx, const xmlChar *name)
}
ret->owner = 1;
if (ret->checked == 0) {
ret->checked = ctxt->nbentities - oldnbent + 1;
ret->checked = (ctxt->nbentities - oldnbent + 1) * 2;
if ((ret->content != NULL) && (xmlStrchr(ret->content, '<')))
ret->checked |= 1;
}
}
return(ret);

3
include/libxml/entities.h
View File

@ -58,7 +58,8 @@ struct _xmlEntity {
int owner; /* does the entity own the childrens */
int checked; /* was the entity content checked */
/* this is also used to count entites
* references done from that entity */
* references done from that entity
* and if it contains '<' */
};
/*

30
parser.c
View File

@ -170,7 +170,7 @@ xmlParserEntityCheck(xmlParserCtxtPtr ctxt, size_t size,
/*
* use the number of parsed entities in the replacement
*/
size = ent->checked;
size = ent->checked / 2;
/*
* The amount of data parsed counting entities size only once
@ -2736,7 +2736,7 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
(ctxt->lastError.code == XML_ERR_INTERNAL_ERROR))
goto int_error;
if (ent != NULL)
ctxt->nbentities += ent->checked;
ctxt->nbentities += ent->checked / 2;
if ((ent != NULL) &&
(ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) {
if (ent->content != NULL) {
@ -2787,7 +2787,7 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
if (ctxt->lastError.code == XML_ERR_ENTITY_LOOP)
goto int_error;
if (ent != NULL)
ctxt->nbentities += ent->checked;
ctxt->nbentities += ent->checked / 2;
if (ent != NULL) {
if (ent->content == NULL) {
xmlLoadEntityContent(ctxt, ent);
@ -4050,8 +4050,10 @@ xmlParseAttValueComplex(xmlParserCtxtPtr ctxt, int *attlen, int normalize) {
rep = xmlStringDecodeEntities(ctxt, ent->content,
XML_SUBSTITUTE_REF, 0, 0, 0);
ent->checked = ctxt->nbentities - oldnbent + 1;
ent->checked = (ctxt->nbentities - oldnbent + 1) * 2;
if (rep != NULL) {
if (xmlStrchr(rep, '<'))
ent->checked |= 1;
xmlFree(rep);
rep = NULL;
}
@ -7217,7 +7219,9 @@ xmlParseReference(xmlParserCtxtPtr ctxt) {
* Store the number of entities needing parsing for this entity
* content and do checkings
*/
ent->checked = ctxt->nbentities - oldnbent + 1;
ent->checked = (ctxt->nbentities - oldnbent + 1) * 2;
if ((ent->content != NULL) && (xmlStrchr(ent->content, '<')))
ent->checked |= 1;
if (ret == XML_ERR_ENTITY_LOOP) {
xmlFatalErr(ctxt, XML_ERR_ENTITY_LOOP, NULL);
xmlFreeNodeList(list);
@ -7282,9 +7286,9 @@ xmlParseReference(xmlParserCtxtPtr ctxt) {
list = NULL;
}
if (ent->checked == 0)
ent->checked = 1;
ent->checked = 2;
} else if (ent->checked != 1) {
ctxt->nbentities += ent->checked;
ctxt->nbentities += ent->checked / 2;
}
/*
@ -7645,11 +7649,13 @@ xmlParseEntityRef(xmlParserCtxtPtr ctxt) {
* not contain a <.
*/
else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
(ent != NULL) && (ent->content != NULL) &&
(ent->etype != XML_INTERNAL_PREDEFINED_ENTITY) &&
(xmlStrchr(ent->content, '<'))) {
xmlFatalErrMsgStr(ctxt, XML_ERR_LT_IN_ATTRIBUTE,
"'<' in entity '%s' is not allowed in attributes values\n", name);
(ent != NULL) &&
(ent->etype != XML_INTERNAL_PREDEFINED_ENTITY)) {
if ((ent->checked & 1) || ((ent->checked == 0) &&
(ent->content != NULL) &&(xmlStrchr(ent->content, '<')))) {
xmlFatalErrMsgStr(ctxt, XML_ERR_LT_IN_ATTRIBUTE,
"'<' in entity '%s' is not allowed in attributes values\n", name);
}
}
/*