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relaxed id() to not check taht the name(s) passed are actually NCName,

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* xpath.c: relaxed id() to not check taht the name(s) passed
  are actually NCName, decided this in agreement with Aleksey Sanin
  since existing specs like Visa3D broke that conformance checking
  and other tools seems to not implement it sigh...
* SAX2.c: check attribute decls for xml:id and the value is an
  NCName.
* test/xmlid/id_err* result/xmlid/id_err*: added error testing
Daniel
This commit is contained in:
Daniel Veillard 2004-04-18 20:55:39 +00:00
parent 2582a338bf
commit 68cb4b2498
11 changed files with 70 additions and 13 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
Sun Apr 18 22:51:43 CEST 2004 Daniel Veillard <daniel@veillard.com>
* xpath.c: relaxed id() to not check taht the name(s) passed
are actually NCName, decided this in agreement with Aleksey Sanin
since existing specs like Visa3D broke that conformance checking
and other tools seems to not implement it sigh...
* SAX2.c: check attribute decls for xml:id and the value is an
NCName.
* test/xmlid/id_err* result/xmlid/id_err*: added error testing
Sun Apr 18 21:46:17 CEST 2004 Daniel Veillard <daniel@veillard.com>
* xpath.c: work around Microsoft compiler NaN bug raise reported

20
SAX2.c
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@ -573,6 +573,16 @@ xmlSAX2AttributeDecl(void *ctx, const xmlChar *elem, const xmlChar *fullname,
"SAX.xmlSAX2AttributeDecl(%s, %s, %d, %d, %s, ...)\n",
elem, fullname, type, def, defaultValue);
#endif
if ((xmlStrEqual(fullname, BAD_CAST "xml:id")) &&
(type != XML_ATTRIBUTE_ID)) {
/*
* Raise the error but keep the validity flag
*/
int tmp = ctxt->valid;
xmlErrValid(ctxt, XML_DTD_XMLID_TYPE,
"xml:id : attribute type should be ID\n", NULL, NULL);
ctxt->valid = tmp;
}
/* TODO: optimize name/prefix allocation */
name = xmlSplitQName(ctxt, fullname, &prefix);
ctxt->vctxt.valid = 1;
@ -1210,6 +1220,11 @@ xmlSAX2AttributeInternal(void *ctx, const xmlChar *fullname,
*
* Open issue: normalization of the value.
*/
if (xmlValidateNCName(value, 1) != 0) {
xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
"xml:id : attribute value %s is not an NCName\n",
(const char *) value, NULL);
}
xmlAddID(&ctxt->vctxt, ctxt->myDoc, value, ret);
}
}
@ -1943,6 +1958,11 @@ xmlSAX2AttributeNs(xmlParserCtxtPtr ctxt,
*/
if (dup == NULL)
dup = xmlStrndup(value, valueend - value);
if (xmlValidateNCName(dup, 1) != 0) {
xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
"xml:id : attribute value %s is not an NCName\n",
(const char *) dup, NULL);
}
xmlAddID(&ctxt->vctxt, ctxt->myDoc, dup, ret);
}
}

2
configure.in
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@ -6,7 +6,7 @@ AC_CANONICAL_HOST
LIBXML_MAJOR_VERSION=2
LIBXML_MINOR_VERSION=6
LIBXML_MICRO_VERSION=8
LIBXML_MICRO_VERSION=9
LIBXML_MICRO_VERSION_SUFFIX=
LIBXML_VERSION=$LIBXML_MAJOR_VERSION.$LIBXML_MINOR_VERSION.$LIBXML_MICRO_VERSION$LIBXML_MICRO_VERSION_SUFFIX
LIBXML_VERSION_INFO=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION`:$LIBXML_MICRO_VERSION:$LIBXML_MINOR_VERSION

2
include/libxml/xmlerror.h
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@ -235,6 +235,8 @@ typedef enum {
XML_DTD_UNKNOWN_ID, /* 536 */
XML_DTD_UNKNOWN_NOTATION, /* 537 */
XML_DTD_STANDALONE_DEFAULTED, /* 538 */
XML_DTD_XMLID_VALUE, /* 539 */
XML_DTD_XMLID_TYPE, /* 540 */
XML_HTML_STRUCURE_ERROR = 800,
XML_HTML_UNKNOWN_TAG, /* 801 */
XML_RNGP_ANYNAME_ATTR_ANCESTOR = 1000,

2
result/xmlid/id_err1.xml Normal file
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@ -0,0 +1,2 @@
Object is a Node Set :
Set contains 0 nodes:

3
result/xmlid/id_err1.xml.err Normal file
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@ -0,0 +1,3 @@
./test/xmlid/id_err1.xml:1: validity error : xml:id : attribute value 0bar is not an NCName
<foo xml:id="0bar"/>
^

6
result/xmlid/id_err2.xml Normal file
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@ -0,0 +1,6 @@
Object is a Node Set :
Set contains 1 nodes:
1 ELEMENT foo
ATTRIBUTE id
TEXT
content=bar

3
result/xmlid/id_err2.xml.err Normal file
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@ -0,0 +1,3 @@
./test/xmlid/id_err2.xml:3: validity error : xml:id : attribute type should be ID
<!ATTLIST foo xml:id CDATA #IMPLIED>
^

1
test/xmlid/id_err1.xml Normal file
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@ -0,0 +1 @@
<foo xml:id="0bar"/>

5
test/xmlid/id_err2.xml Normal file
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@ -0,0 +1,5 @@
<!DOCTYPE foo [
<!ELEMENT foo EMPTY>
<!ATTLIST foo xml:id CDATA #IMPLIED>
]>
<foo xml:id="bar"/>

29
xpath.c
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@ -6089,18 +6089,23 @@ xmlXPathGetElementsByIds (xmlDocPtr doc, const xmlChar *ids) {
ID = xmlStrndup(ids, cur - ids);
if (ID != NULL) {
if (xmlValidateNCName(ID, 1) == 0) {
attr = xmlGetID(doc, ID);
if (attr != NULL) {
if (attr->type == XML_ATTRIBUTE_NODE)
elem = attr->parent;
else if (attr->type == XML_ELEMENT_NODE)
elem = (xmlNodePtr) attr;
else
elem = NULL;
if (elem != NULL)
xmlXPathNodeSetAdd(ret, elem);
}
/*
* We used to check the fact that the value passed
* was an NCName, but this generated much troubles for
* me and Aleksey Sanin, people blatantly violated that
* constaint, like Visa3D spec.
* if (xmlValidateNCName(ID, 1) == 0)
*/
attr = xmlGetID(doc, ID);
if (attr != NULL) {
if (attr->type == XML_ATTRIBUTE_NODE)
elem = attr->parent;
else if (attr->type == XML_ELEMENT_NODE)
elem = (xmlNodePtr) attr;
else
elem = NULL;
if (elem != NULL)
xmlXPathNodeSetAdd(ret, elem);
}
xmlFree(ID);
}