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Blanks handling function, added 2.x upgrade doc, Daniel

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Daniel Veillard
2000-03-04 11:39:42 +00:00
parent 90fb02caaf
commit fb76c40ad7
2 changed files with 40 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,10 @@
Sat Mar 4 12:38:41 CET 2000 Daniel Veillard <Daniel.Veillard@w3.org>
* doc/upgrade.html: instruction on how to upgrade from 1.x to 2.x
added
* parser.c: adding xmlKeepBlanksDefault() as a way to manage
compatibility w.r.t. XML spec and existing code.
Thu Mar 2 04:45:15 CET 2000 Daniel Veillard <Daniel.Veillard@w3.org> Thu Mar 2 04:45:15 CET 2000 Daniel Veillard <Daniel.Veillard@w3.org>
* parser.c: seems a better solution to <a> </a> exists, * parser.c: seems a better solution to <a> </a> exists,

33
parser.c
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@ -8745,3 +8745,36 @@ xmlSubstituteEntitiesDefault(int val) {
return(old); return(old);
} }
/**
* xmlKeepBlanksDefault:
* @val: int 0 or 1
*
* Set and return the previous value for default blanks text nodes support.
* The 1.x version of the parser used an heuristic to try to detect
* ignorable white spaces. As a result the SAX callback was generating
* ignorableWhitespace() callbacks instead of characters() one, and when
* using the DOM output text nodes containing those blanks were not generated.
* The 2.x and later version will switch to the XML standard way and
* ignorableWhitespace() are only generated when running the parser in
* validating mode and when the current element doesn't allow CDATA or
* mixed content.
* This function is provided as a way to force the standard behaviour
* on 1.X libs and to switch back to the old mode for compatibility when
* running 1.X client code on 2.X . Upgrade of 1.X code should be done
* by using xmlIsBlankNode() commodity function to detect the "empty"
* nodes generated.
* This value also affect autogeneration of indentation when saving code
* if blanks sections are kept, indentation is not generated.
*
* Returns the last value for 0 for no substitution, 1 for substitution.
*/
int
xmlKeepBlanksDefault(int val) {
int old = xmlKeepBlanksDefaultValue;
xmlKeepBlanksDefaultValue = val;
xmlIndentTreeOutput = !val;
return(old);
}