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Add xmlSaveOption XML_SAVE_WSNONSIG

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non destructive indentation option using spaces within markup
constructs and hence not modifying content
* include/libxml/xmlsave.h: new option
* xmlsave.c: some refactoring and new code for the new option
* xmllint.c: adds --pretty option where option 2 uses the new formatting
This commit is contained in:
Adam Spragg 2010-11-03 15:33:40 +01:00 committed by Daniel Veillard
parent 5f9d9ceb3d
commit d2e62311cd
3 changed files with 107 additions and 10 deletions
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3
include/libxml/xmlsave.h
View File

@ -33,7 +33,8 @@ typedef enum {
XML_SAVE_NO_XHTML = 1<<3, /* disable XHTML1 specific rules */ XML_SAVE_NO_XHTML = 1<<3, /* disable XHTML1 specific rules */
XML_SAVE_XHTML = 1<<4, /* force XHTML1 specific rules */ XML_SAVE_XHTML = 1<<4, /* force XHTML1 specific rules */
XML_SAVE_AS_XML = 1<<5, /* force XML serialization on HTML doc */ XML_SAVE_AS_XML = 1<<5, /* force XML serialization on HTML doc */
XML_SAVE_AS_HTML = 1<<6 /* force HTML serialization on XML doc */ XML_SAVE_AS_HTML = 1<<6, /* force HTML serialization on XML doc */
XML_SAVE_WSNONSIG = 1<<7 /* format with non-significant whitespace */
} xmlSaveOption; } xmlSaveOption;

22
xmllint.c
View File

@ -2658,6 +2658,8 @@ static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) {
if (format == 1) if (format == 1)
saveOpts |= XML_SAVE_FORMAT; saveOpts |= XML_SAVE_FORMAT;
else if (format == 2)
saveOpts |= XML_SAVE_WSNONSIG;
#if defined(LIBXML_HTML_ENABLED) || defined(LIBXML_VALID_ENABLED) #if defined(LIBXML_HTML_ENABLED) || defined(LIBXML_VALID_ENABLED)
if (xmlout) if (xmlout)
@ -3014,6 +3016,10 @@ static void usage(const char *name) {
printf("\t--format : reformat/reindent the input\n"); printf("\t--format : reformat/reindent the input\n");
printf("\t--encode encoding : output in the given encoding\n"); printf("\t--encode encoding : output in the given encoding\n");
printf("\t--dropdtd : remove the DOCTYPE of the input docs\n"); printf("\t--dropdtd : remove the DOCTYPE of the input docs\n");
printf("\t--pretty STYLE : pretty-print in a particular style\n");
printf("\t 0 Do not pretty print\n");
printf("\t 1 Format the XML content, as --format\n");
printf("\t 2 Add whitespace inside tags, preserving content\n");
#endif /* LIBXML_OUTPUT_ENABLED */ #endif /* LIBXML_OUTPUT_ENABLED */
printf("\t--c14n : save in W3C canonical format v1.0 (with comments)\n"); printf("\t--c14n : save in W3C canonical format v1.0 (with comments)\n");
printf("\t--c14n11 : save in W3C canonical format v1.1 (with comments)\n"); printf("\t--c14n11 : save in W3C canonical format v1.1 (with comments)\n");
@ -3338,6 +3344,17 @@ main(int argc, char **argv) {
#endif /* LIBXML_OUTPUT_ENABLED */ #endif /* LIBXML_OUTPUT_ENABLED */
xmlKeepBlanksDefault(0); xmlKeepBlanksDefault(0);
} }
else if ((!strcmp(argv[i], "-pretty")) ||
(!strcmp(argv[i], "--pretty"))) {
i++;
#ifdef LIBXML_OUTPUT_ENABLED
format = atoi(argv[i]);
#endif /* LIBXML_OUTPUT_ENABLED */
if (format == 1) {
noblanks++;
xmlKeepBlanksDefault(0);
}
}
#ifdef LIBXML_READER_ENABLED #ifdef LIBXML_READER_ENABLED
else if ((!strcmp(argv[i], "-stream")) || else if ((!strcmp(argv[i], "-stream")) ||
(!strcmp(argv[i], "--stream"))) { (!strcmp(argv[i], "--stream"))) {
@ -3624,6 +3641,11 @@ main(int argc, char **argv) {
i++; i++;
continue; continue;
} }
if ((!strcmp(argv[i], "-pretty")) ||
(!strcmp(argv[i], "--pretty"))) {
i++;
continue;
}
if ((!strcmp(argv[i], "-schema")) || if ((!strcmp(argv[i], "-schema")) ||
(!strcmp(argv[i], "--schema"))) { (!strcmp(argv[i], "--schema"))) {
i++; i++;

92
xmlsave.c
View File

@ -408,6 +408,8 @@ xmlNewSaveCtxt(const char *encoding, int options)
ret->options = options; ret->options = options;
if (options & XML_SAVE_FORMAT) if (options & XML_SAVE_FORMAT)
ret->format = 1; ret->format = 1;
else if (options & XML_SAVE_WSNONSIG)
ret->format = 2;
return(ret); return(ret);
} }
@ -500,32 +502,90 @@ static void xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur);
void xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur); void xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur);
static int xmlDocContentDumpOutput(xmlSaveCtxtPtr ctxt, xmlDocPtr cur); static int xmlDocContentDumpOutput(xmlSaveCtxtPtr ctxt, xmlDocPtr cur);
/**
* xmlOutputBufferWriteWSNonSig:
* @ctxt: The save context
* @extra: Number of extra indents to apply to ctxt->level
*
* Write out formatting for non-significant whitespace output.
*/
static void
xmlOutputBufferWriteWSNonSig(xmlSaveCtxtPtr ctxt, int extra)
{
int i;
if ((ctxt == NULL) || (ctxt->buf == NULL))
return;
xmlOutputBufferWrite(ctxt->buf, 1, "\n");
for (i = 0; i < (ctxt->level + extra); i += ctxt->indent_nr) {
xmlOutputBufferWrite(ctxt->buf, ctxt->indent_size *
((ctxt->level + extra - i) > ctxt->indent_nr ?
ctxt->indent_nr : (ctxt->level + extra - i)),
ctxt->indent);
}
}
/** /**
* xmlNsDumpOutput: * xmlNsDumpOutput:
* @buf: the XML buffer output * @buf: the XML buffer output
* @cur: a namespace * @cur: a namespace
* @ctxt: the output save context. Optional.
* *
* Dump a local Namespace definition. * Dump a local Namespace definition.
* Should be called in the context of attributes dumps. * Should be called in the context of attributes dumps.
* If @ctxt is supplied, @buf should be its buffer.
*/ */
static void static void
xmlNsDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) { xmlNsDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur, xmlSaveCtxtPtr ctxt) {
if ((cur == NULL) || (buf == NULL)) return; if ((cur == NULL) || (buf == NULL)) return;
if ((cur->type == XML_LOCAL_NAMESPACE) && (cur->href != NULL)) { if ((cur->type == XML_LOCAL_NAMESPACE) && (cur->href != NULL)) {
if (xmlStrEqual(cur->prefix, BAD_CAST "xml")) if (xmlStrEqual(cur->prefix, BAD_CAST "xml"))
return; return;
if (ctxt != NULL && ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 2);
else
xmlOutputBufferWrite(buf, 1, " ");
/* Within the context of an element attributes */ /* Within the context of an element attributes */
if (cur->prefix != NULL) { if (cur->prefix != NULL) {
xmlOutputBufferWrite(buf, 7, " xmlns:"); xmlOutputBufferWrite(buf, 6, "xmlns:");
xmlOutputBufferWriteString(buf, (const char *)cur->prefix); xmlOutputBufferWriteString(buf, (const char *)cur->prefix);
} else } else
xmlOutputBufferWrite(buf, 6, " xmlns"); xmlOutputBufferWrite(buf, 5, "xmlns");
xmlOutputBufferWrite(buf, 1, "="); xmlOutputBufferWrite(buf, 1, "=");
xmlBufferWriteQuotedString(buf->buffer, cur->href); xmlBufferWriteQuotedString(buf->buffer, cur->href);
} }
} }
/**
* xmlNsDumpOutputCtxt
* @ctxt: the save context
* @cur: a namespace
*
* Dump a local Namespace definition to a save context.
* Should be called in the context of attribute dumps.
*/
static void
xmlNsDumpOutputCtxt(xmlSaveCtxtPtr ctxt, xmlNsPtr cur) {
xmlNsDumpOutput(ctxt->buf, cur, ctxt);
}
/**
* xmlNsListDumpOutputCtxt
* @ctxt: the save context
* @cur: the first namespace
*
* Dump a list of local namespace definitions to a save context.
* Should be called in the context of attribute dumps.
*/
static void
xmlNsListDumpOutputCtxt(xmlSaveCtxtPtr ctxt, xmlNsPtr cur) {
while (cur != NULL) {
xmlNsDumpOutput(ctxt->buf, cur, ctxt);
cur = cur->next;
}
}
/** /**
* xmlNsListDumpOutput: * xmlNsListDumpOutput:
* @buf: the XML buffer output * @buf: the XML buffer output
@ -537,7 +597,7 @@ xmlNsDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) {
void void
xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) { xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) {
while (cur != NULL) { while (cur != NULL) {
xmlNsDumpOutput(buf, cur); xmlNsDumpOutput(buf, cur, NULL);
cur = cur->next; cur = cur->next;
} }
} }
@ -612,7 +672,10 @@ xmlAttrDumpOutput(xmlSaveCtxtPtr ctxt, xmlAttrPtr cur) {
if (cur == NULL) return; if (cur == NULL) return;
buf = ctxt->buf; buf = ctxt->buf;
if (buf == NULL) return; if (buf == NULL) return;
xmlOutputBufferWrite(buf, 1, " "); if (ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 2);
else
xmlOutputBufferWrite(buf, 1, " ");
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix); xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
xmlOutputBufferWrite(buf, 1, ":"); xmlOutputBufferWrite(buf, 1, ":");
@ -808,13 +871,18 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
xmlOutputBufferWrite(buf, 2, "<?"); xmlOutputBufferWrite(buf, 2, "<?");
xmlOutputBufferWriteString(buf, (const char *)cur->name); xmlOutputBufferWriteString(buf, (const char *)cur->name);
if (cur->content != NULL) { if (cur->content != NULL) {
xmlOutputBufferWrite(buf, 1, " "); if (ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 0);
else
xmlOutputBufferWrite(buf, 1, " ");
xmlOutputBufferWriteString(buf, (const char *)cur->content); xmlOutputBufferWriteString(buf, (const char *)cur->content);
} }
xmlOutputBufferWrite(buf, 2, "?>"); xmlOutputBufferWrite(buf, 2, "?>");
} else { } else {
xmlOutputBufferWrite(buf, 2, "<?"); xmlOutputBufferWrite(buf, 2, "<?");
xmlOutputBufferWriteString(buf, (const char *)cur->name); xmlOutputBufferWriteString(buf, (const char *)cur->name);
if (ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 0);
xmlOutputBufferWrite(buf, 2, "?>"); xmlOutputBufferWrite(buf, 2, "?>");
} }
return; return;
@ -862,7 +930,7 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
return; return;
} }
if (cur->type == XML_NAMESPACE_DECL) { if (cur->type == XML_NAMESPACE_DECL) {
xmlNsDumpOutput(buf, (xmlNsPtr) cur); xmlNsDumpOutputCtxt(ctxt, (xmlNsPtr) cur);
return; return;
} }
@ -887,16 +955,20 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
xmlOutputBufferWriteString(buf, (const char *)cur->name); xmlOutputBufferWriteString(buf, (const char *)cur->name);
if (cur->nsDef) if (cur->nsDef)
xmlNsListDumpOutput(buf, cur->nsDef); xmlNsListDumpOutputCtxt(ctxt, cur->nsDef);
if (cur->properties != NULL) if (cur->properties != NULL)
xmlAttrListDumpOutput(ctxt, cur->properties); xmlAttrListDumpOutput(ctxt, cur->properties);
if (((cur->type == XML_ELEMENT_NODE) || (cur->content == NULL)) && if (((cur->type == XML_ELEMENT_NODE) || (cur->content == NULL)) &&
(cur->children == NULL) && ((ctxt->options & XML_SAVE_NO_EMPTY) == 0)) { (cur->children == NULL) && ((ctxt->options & XML_SAVE_NO_EMPTY) == 0)) {
if (ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 0);
xmlOutputBufferWrite(buf, 2, "/>"); xmlOutputBufferWrite(buf, 2, "/>");
ctxt->format = format; ctxt->format = format;
return; return;
} }
if (ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 1);
xmlOutputBufferWrite(buf, 1, ">"); xmlOutputBufferWrite(buf, 1, ">");
if ((cur->type != XML_ELEMENT_NODE) && (cur->content != NULL)) { if ((cur->type != XML_ELEMENT_NODE) && (cur->content != NULL)) {
xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape); xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape);
@ -919,6 +991,8 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
} }
xmlOutputBufferWriteString(buf, (const char *)cur->name); xmlOutputBufferWriteString(buf, (const char *)cur->name);
if (ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 0);
xmlOutputBufferWrite(buf, 1, ">"); xmlOutputBufferWrite(buf, 1, ">");
ctxt->format = format; ctxt->format = format;
} }
@ -1410,7 +1484,7 @@ xhtmlNodeDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
xmlOutputBufferWriteString(buf, (const char *)cur->name); xmlOutputBufferWriteString(buf, (const char *)cur->name);
if (cur->nsDef) if (cur->nsDef)
xmlNsListDumpOutput(buf, cur->nsDef); xmlNsListDumpOutputCtxt(ctxt, cur->nsDef);
if ((xmlStrEqual(cur->name, BAD_CAST "html") && if ((xmlStrEqual(cur->name, BAD_CAST "html") &&
(cur->ns == NULL) && (cur->nsDef == NULL))) { (cur->ns == NULL) && (cur->nsDef == NULL))) {
/* /*