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applied the patch from Lucas Brasilino to add indentation support to

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* include/libxml/xmlwriter.h xmlwriter.c: applied the patch from
  Lucas Brasilino to add indentation support to xmlWriter
Daniel
This commit is contained in:
Daniel Veillard 2004-01-02 20:04:23 +00:00
parent aae10527fa
commit 2cca446b86
3 changed files with 121 additions and 4 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
Fri Jan 2 21:03:17 CET 2004 Daniel Veillard <daniel@veillard.com>
* include/libxml/xmlwriter.h xmlwriter.c: applied the patch from
Lucas Brasilino to add indentation support to xmlWriter
Fri Jan 2 22:58:29 HKT 2004 William Brack <wbrack@mmm.com.hk>
* xinclude.c: fixed problem with "recursive" include (fallback

7
include/libxml/xmlwriter.h
View File

@ -405,6 +405,13 @@ XMLPUBFUN int XMLCALL
const xmlChar * name,
const xmlChar * pubid,
const xmlChar * sysid);
/*
* Indentation
*/
XMLPUBFUN int XMLCALL
xmlTextWriterSetIndent (xmlTextWriterPtr writer, int indent);
XMLPUBFUN int XMLCALL
xmlTextWriterSetIndentString (xmlTextWriterPtr writer, xmlChar *str);
/*
* misc

113
xmlwriter.c
View File

@ -61,8 +61,9 @@ struct _xmlTextWriter {
xmlListPtr nodes; /* element name stack */
xmlListPtr nsstack; /* name spaces stack */
int level;
char indent; /* indent amount */
char ichar; /* indent character */
int indent; /* enable indent */
int doindent; /* internal indent flag */
xmlChar *ichar; /* indent character */
char qchar; /* character used for quoting attribute values */
};
@ -83,6 +84,7 @@ static xmlChar *xmlTextWriterVSprintf(const char *format, va_list argptr);
static int xmlOutputBufferWriteBase64(xmlOutputBufferPtr out, int len,
const unsigned char *data);
static void xmlTextWriterStartDocumentCallback(void *ctx);
static int xmlTextWriterWriteIndent (xmlTextWriterPtr writer);
/**
* xmlNewTextWriter:
@ -129,9 +131,11 @@ xmlNewTextWriter(xmlOutputBufferPtr out)
}
ret->out = out;
ret->ichar = ' ';
ret->ichar = xmlStrdup (BAD_CAST " ");
ret->qchar = '"';
if (!ret->ichar) return NULL;
return ret;
}
@ -165,6 +169,8 @@ xmlNewTextWriterFilename(const char *uri, int compression)
return NULL;
}
ret->indent = 0;
ret->doindent = 0;
return ret;
}
@ -542,11 +548,12 @@ xmlTextWriterEndDocument(xmlTextWriterPtr writer)
}
}
if (!writer->indent) {
count = xmlOutputBufferWriteString(writer->out, "\n");
if(count < 0)
return -1;
sum += count;
}
return sum;
}
@ -653,6 +660,11 @@ xmlTextWriterWriteComment(xmlTextWriterPtr writer, const xmlChar * content)
}
}
if (writer->indent) {
count = xmlOutputBufferWriteString (writer->out, "\n");
sum += count;
}
count = xmlOutputBufferWriteString(writer->out, "<!--");
if (count < 0)
return -1;
@ -667,6 +679,11 @@ xmlTextWriterWriteComment(xmlTextWriterPtr writer, const xmlChar * content)
return -1;
sum += count;
if (writer->indent) {
count = xmlOutputBufferWriteString (writer->out, "\n");
sum += count;
}
return sum;
}
@ -706,6 +723,8 @@ xmlTextWriterStartElement(xmlTextWriterPtr writer, const xmlChar * name)
if (count < 0)
return -1;
sum += count;
if (writer->indent)
count = xmlOutputBufferWriteString (writer->out, "\n");
p->state = XML_TEXTWRITER_TEXT;
break;
default:
@ -733,6 +752,11 @@ xmlTextWriterStartElement(xmlTextWriterPtr writer, const xmlChar * name)
xmlListPushFront(writer->nodes, p);
if (writer->indent) {
count = xmlTextWriterWriteIndent (writer);
sum += count;
}
count = xmlOutputBufferWriteString(writer->out, "<");
if (count < 0)
return -1;
@ -842,6 +866,11 @@ xmlTextWriterEndElement(xmlTextWriterPtr writer)
sum += count;
break;
case XML_TEXTWRITER_TEXT:
if ((writer->indent) && (writer->doindent)) {
count = xmlTextWriterWriteIndent (writer);
sum += count;
writer->doindent = 1;
} else writer->doindent = 1;
count = xmlOutputBufferWriteString(writer->out, "</");
if (count < 0)
return -1;
@ -860,6 +889,11 @@ xmlTextWriterEndElement(xmlTextWriterPtr writer)
return -1;
}
if (writer->indent) {
count = xmlOutputBufferWriteString (writer->out, "\n");
sum += count;
}
xmlListPopFront(writer->nodes);
return sum;
}
@ -1946,6 +1980,7 @@ xmlTextWriterWriteElement(xmlTextWriterPtr writer, const xmlChar * name,
if (count == -1)
return -1;
sum += count;
writer->doindent = 0;
count = xmlTextWriterEndElement(writer);
if (count == -1)
return -1;
@ -3955,4 +3990,74 @@ xmlTextWriterStartDocumentCallback(void *ctx)
}
}
/**
* xmlTextWriterSetIndent:
* @writer: the xmlTextWriterPtr
* @indent: do indentation?
*
* Set indentation output. indent = 0 do not indentation. indent > 0 do indentation.
*
* Returns -1 on error or 0 otherwise.
*/
int
xmlTextWriterSetIndent (xmlTextWriterPtr writer, int indent)
{
if (indent < 0)
return -1;
writer->indent = indent;
writer->doindent = 1;
return 0;
}
/**
* xmlTextWriterSetIndentString:
* @writer: the xmlTextWriterPtr
* @str: the xmlChar string
*
* Set string indentation.
*
* Returns -1 on error or 0 otherwise.
*/
int
xmlTextWriterSetIndentString (xmlTextWriterPtr writer, xmlChar *str)
{
if (!str)
return -1;
writer->ichar = xmlStrdup (str);
if (!writer->ichar)
return -1;
else
return 0;
}
/**
* xmlTextWriterWriteIndent:
* @writer: the xmlTextWriterPtr
*
* Write indent string.
*
* Returns -1 on error or the number of strings written.
*/
static int
xmlTextWriterWriteIndent (xmlTextWriterPtr writer)
{
int lksize;
int i;
int ret;
lksize = xmlListSize (writer->nodes);
for (i = 0; i < (lksize-1); i++) {
ret = xmlOutputBufferWriteString (writer->out, writer->ichar);
if (ret == -1)
break;
}
return (ret == -1)?ret:i;
}
#endif