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Add some comments to storeAtts.

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This commit is contained in:
James Clark 1999-10-11 11:29:49 +00:00
parent 195560985f
commit 3eac12050f
1 changed files with 15 additions and 1 deletions
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16
expat/xmlparse/xmlparse.c
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@ -1574,7 +1574,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
{
ELEMENT_TYPE *elementType = 0;
int nDefaultAtts = 0;
const XML_Char **appAtts;
const XML_Char **appAtts; /* the attribute list to pass to the application */
int attIndex = 0;
int i;
int n;
@ -1582,6 +1582,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
BINDING *binding;
const XML_Char *localPart;
/* lookup the element type name */
if (tagNamePtr) {
elementType = (ELEMENT_TYPE *)lookup(&dtd.elementTypes, tagNamePtr->str, 0);
if (!elementType) {
@ -1596,6 +1597,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
}
nDefaultAtts = elementType->nDefaultAtts;
}
/* get the attributes from the tokenizer */
n = XmlGetAttributes(enc, attStr, attsSize, atts);
if (n + nDefaultAtts > attsSize) {
int oldAttsSize = attsSize;
@ -1608,11 +1610,13 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
}
appAtts = (const XML_Char **)atts;
for (i = 0; i < n; i++) {
/* add the name and value to the attribute list */
ATTRIBUTE_ID *attId = getAttributeId(parser, enc, atts[i].name,
atts[i].name
+ XmlNameLength(enc, atts[i].name));
if (!attId)
return XML_ERROR_NO_MEMORY;
/* detect duplicate attributes */
if ((attId->name)[-1]) {
if (enc == encoding)
eventPtr = atts[i].name;
@ -1624,6 +1628,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
enum XML_Error result;
int isCdata = 1;
/* figure out whether declared as other than CDATA */
if (attId->maybeTokenized) {
int j;
for (j = 0; j < nDefaultAtts; j++) {
@ -1634,6 +1639,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
}
}
/* normalize the attribute value */
result = storeAttributeValue(parser, enc, isCdata,
atts[i].valuePtr, atts[i].valueEnd,
&tempPool);
@ -1647,18 +1653,22 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
poolDiscard(&tempPool);
}
else if (tagNamePtr) {
/* the value did not need normalizing */
appAtts[attIndex] = poolStoreString(&tempPool, enc, atts[i].valuePtr, atts[i].valueEnd);
if (appAtts[attIndex] == 0)
return XML_ERROR_NO_MEMORY;
poolFinish(&tempPool);
}
/* handle prefixed attribute names */
if (attId->prefix && tagNamePtr) {
if (attId->xmlns) {
/* deal with namespace declarations here */
if (!addBinding(parser, attId->prefix, attId, appAtts[attIndex], bindingsPtr))
return XML_ERROR_NO_MEMORY;
--attIndex;
}
else {
/* deal with other prefixed names later */
attIndex++;
nPrefixes++;
(attId->name)[-1] = 2;
@ -1668,6 +1678,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
attIndex++;
}
nSpecifiedAtts = attIndex;
/* do attribute defaulting */
if (tagNamePtr) {
int j;
for (j = 0; j < nDefaultAtts; j++) {
@ -1696,6 +1707,7 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
}
i = 0;
if (nPrefixes) {
/* expand prefixed attribute names */
for (; i < attIndex; i += 2) {
if (appAtts[i][-1] == 2) {
ATTRIBUTE_ID *id;
@ -1725,12 +1737,14 @@ static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
((XML_Char *)(appAtts[i]))[-1] = 0;
}
}
/* clear the flags that say whether attributes were specified */
for (; i < attIndex; i += 2)
((XML_Char *)(appAtts[i]))[-1] = 0;
if (!tagNamePtr)
return XML_ERROR_NONE;
for (binding = *bindingsPtr; binding; binding = binding->nextTagBinding)
binding->attId->name[-1] = 0;
/* expand the element type name */
if (elementType->prefix) {
binding = elementType->prefix->binding;
if (!binding)