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xmlsave.c
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xmlsave.c
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/*
* xmlsave.c: Implementation of the document serializer
*
* See Copyright for the status of this software.
*
* daniel@veillard.com
*/
#define IN_LIBXML
#include "libxml.h"
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <libxml/xmlmemory.h>
#include <libxml/parserInternals.h>
#include <libxml/tree.h>
#include <libxml/xmlsave.h>
#define MAX_INDENT 60
#include <libxml/HTMLtree.h>
#include "private/buf.h"
#include "private/enc.h"
#include "private/error.h"
#include "private/io.h"
#include "private/save.h"
#ifdef LIBXML_OUTPUT_ENABLED
#define XHTML_NS_NAME BAD_CAST "http://www.w3.org/1999/xhtml"
struct _xmlSaveCtxt {
void *_private;
int type;
int fd;
const xmlChar *filename;
const xmlChar *encoding;
xmlCharEncodingHandlerPtr handler;
xmlOutputBufferPtr buf;
int options;
int level;
int format;
char indent[MAX_INDENT + 1]; /* array for indenting output */
int indent_nr;
int indent_size;
xmlCharEncodingOutputFunc escape; /* used for element content */
xmlCharEncodingOutputFunc escapeAttr;/* used for attribute content */
};
/************************************************************************
* *
* Output error handlers *
* *
************************************************************************/
/**
* xmlSaveErrMemory:
* @extra: extra information
*
* Handle an out of memory condition
*/
static void
xmlSaveErrMemory(xmlOutputBufferPtr out)
{
if (out != NULL)
out->error = XML_ERR_NO_MEMORY;
xmlRaiseMemoryError(NULL, NULL, NULL, XML_FROM_OUTPUT, NULL);
}
/**
* xmlSaveErr:
* @code: the error number
* @node: the location of the error.
* @extra: extra information
*
* Handle an out of memory condition
*/
static void
xmlSaveErr(xmlOutputBufferPtr out, int code, xmlNodePtr node,
const char *extra)
{
const char *msg = NULL;
int res;
/* Don't overwrite memory errors */
if ((out != NULL) && (out->error == XML_ERR_NO_MEMORY))
return;
if (code == XML_ERR_NO_MEMORY) {
xmlSaveErrMemory(out);
return;
}
if (out != NULL)
out->error = code;
switch(code) {
case XML_SAVE_NOT_UTF8:
msg = "string is not in UTF-8\n";
break;
case XML_SAVE_CHAR_INVALID:
msg = "invalid character value\n";
break;
case XML_SAVE_UNKNOWN_ENCODING:
msg = "unknown encoding %s\n";
break;
case XML_SAVE_NO_DOCTYPE:
msg = "document has no DOCTYPE\n";
break;
default:
msg = "unexpected error number\n";
}
res = __xmlRaiseError(NULL, NULL, NULL, NULL, node,
XML_FROM_OUTPUT, code, XML_ERR_ERROR, NULL, 0,
extra, NULL, NULL, 0, 0,
msg, extra);
if (res < 0)
xmlSaveErrMemory(out);
}
/************************************************************************
* *
* Special escaping routines *
* *
************************************************************************/
static unsigned char *
xmlSerializeHexCharRef(unsigned char *out, int val) {
unsigned char *ptr;
*out++ = '&';
*out++ = '#';
*out++ = 'x';
if (val < 0x10) ptr = out;
else if (val < 0x100) ptr = out + 1;
else if (val < 0x1000) ptr = out + 2;
else if (val < 0x10000) ptr = out + 3;
else if (val < 0x100000) ptr = out + 4;
else ptr = out + 5;
out = ptr + 1;
while (val > 0) {
switch (val & 0xF) {
case 0: *ptr-- = '0'; break;
case 1: *ptr-- = '1'; break;
case 2: *ptr-- = '2'; break;
case 3: *ptr-- = '3'; break;
case 4: *ptr-- = '4'; break;
case 5: *ptr-- = '5'; break;
case 6: *ptr-- = '6'; break;
case 7: *ptr-- = '7'; break;
case 8: *ptr-- = '8'; break;
case 9: *ptr-- = '9'; break;
case 0xA: *ptr-- = 'A'; break;
case 0xB: *ptr-- = 'B'; break;
case 0xC: *ptr-- = 'C'; break;
case 0xD: *ptr-- = 'D'; break;
case 0xE: *ptr-- = 'E'; break;
case 0xF: *ptr-- = 'F'; break;
default: *ptr-- = '0'; break;
}
val >>= 4;
}
*out++ = ';';
*out = 0;
return(out);
}
/**
* xmlEscapeEntities:
* @out: a pointer to an array of bytes to store the result
* @outlen: the length of @out
* @in: a pointer to an array of unescaped UTF-8 bytes
* @inlen: the length of @in
*
* Take a block of UTF-8 chars in and escape them. Used when there is no
* encoding specified.
*
* Returns 0 if success, or -1 otherwise
* The value of @inlen after return is the number of octets consumed
* if the return value is positive, else unpredictable.
* The value of @outlen after return is the number of octets consumed.
*/
static int
xmlEscapeEntities(unsigned char* out, int *outlen,
const xmlChar* in, int *inlen) {
unsigned char* outstart = out;
const unsigned char* base = in;
unsigned char* outend = out + *outlen;
const unsigned char* inend;
int val;
inend = in + (*inlen);
while ((in < inend) && (out < outend)) {
if (*in == '<') {
if (outend - out < 4) break;
*out++ = '&';
*out++ = 'l';
*out++ = 't';
*out++ = ';';
in++;
continue;
} else if (*in == '>') {
if (outend - out < 4) break;
*out++ = '&';
*out++ = 'g';
*out++ = 't';
*out++ = ';';
in++;
continue;
} else if (*in == '&') {
if (outend - out < 5) break;
*out++ = '&';
*out++ = 'a';
*out++ = 'm';
*out++ = 'p';
*out++ = ';';
in++;
continue;
} else if (*in == 0xD) {
if (outend - out < 5) break;
*out++ = '&';
*out++ = '#';
*out++ = 'x';
*out++ = 'D';
*out++ = ';';
in++;
} else if (((*in >= 0x20) && (*in < 0x80)) ||
(*in == 0xA) || (*in == 0x9)) {
/*
* default case, just copy !
*/
*out++ = *in++;
continue;
} else if (*in < 0x80) {
/* invalid control char */
if (outend - out < 8) break;
out = xmlSerializeHexCharRef(out, 0xFFFD);
in++;
} else {
int len;
if (outend - out < 11) break;
len = inend - in;
val = xmlGetUTF8Char(in, &len);
if (val < 0) {
val = 0xFFFD;
in++;
} else {
if (!IS_CHAR(val))
val = 0xFFFD;
in += len;
}
/*
* We could do multiple things here. Just save as a char ref
*/
out = xmlSerializeHexCharRef(out, val);
}
}
*outlen = out - outstart;
*inlen = in - base;
return(0);
}
/************************************************************************
* *
* Allocation and deallocation *
* *
************************************************************************/
/**
* xmlSaveCtxtInit:
* @ctxt: the saving context
*
* Initialize a saving context
*/
static void
xmlSaveCtxtInit(xmlSaveCtxtPtr ctxt)
{
int i;
int len;
if (ctxt == NULL) return;
if ((ctxt->encoding == NULL) && (ctxt->escape == NULL))
ctxt->escape = xmlEscapeEntities;
len = xmlStrlen((xmlChar *)xmlTreeIndentString);
if ((xmlTreeIndentString == NULL) || (len == 0)) {
memset(&ctxt->indent[0], 0, MAX_INDENT + 1);
} else {
ctxt->indent_size = len;
ctxt->indent_nr = MAX_INDENT / ctxt->indent_size;
for (i = 0;i < ctxt->indent_nr;i++)
memcpy(&ctxt->indent[i * ctxt->indent_size], xmlTreeIndentString,
ctxt->indent_size);
ctxt->indent[ctxt->indent_nr * ctxt->indent_size] = 0;
}
if (xmlSaveNoEmptyTags) {
ctxt->options |= XML_SAVE_NO_EMPTY;
}
}
/**
* xmlFreeSaveCtxt:
*
* Free a saving context, destroying the output in any remaining buffer
*/
static void
xmlFreeSaveCtxt(xmlSaveCtxtPtr ctxt)
{
if (ctxt == NULL) return;
if (ctxt->encoding != NULL)
xmlFree((char *) ctxt->encoding);
if (ctxt->buf != NULL)
xmlOutputBufferClose(ctxt->buf);
xmlFree(ctxt);
}
/**
* xmlNewSaveCtxt:
*
* Create a new saving context
*
* Returns the new structure or NULL in case of error
*/
static xmlSaveCtxtPtr
xmlNewSaveCtxt(const char *encoding, int options)
{
xmlSaveCtxtPtr ret;
ret = (xmlSaveCtxtPtr) xmlMalloc(sizeof(xmlSaveCtxt));
if (ret == NULL) {
xmlSaveErrMemory(NULL);
return ( NULL );
}
memset(ret, 0, sizeof(xmlSaveCtxt));
if (encoding != NULL) {
int res;
res = xmlOpenCharEncodingHandler(encoding, /* output */ 1,
&ret->handler);
if (ret->handler == NULL) {
xmlSaveErr(NULL, res, NULL, encoding);
xmlFreeSaveCtxt(ret);
return(NULL);
}
ret->encoding = xmlStrdup((const xmlChar *)encoding);
ret->escape = NULL;
}
xmlSaveCtxtInit(ret);
/*
* Use the options
*/
/* Re-check this option as it may already have been set */
if ((ret->options & XML_SAVE_NO_EMPTY) && ! (options & XML_SAVE_NO_EMPTY)) {
options |= XML_SAVE_NO_EMPTY;
}
ret->options = options;
if (options & XML_SAVE_FORMAT)
ret->format = 1;
else if (options & XML_SAVE_WSNONSIG)
ret->format = 2;
return(ret);
}
/************************************************************************
* *
* Dumping XML tree content to a simple buffer *
* *
************************************************************************/
/**
* xmlAttrSerializeContent:
* @buf: the XML buffer output
* @doc: the document
* @attr: the attribute pointer
*
* Serialize the attribute in the buffer
*/
static void
xmlAttrSerializeContent(xmlOutputBufferPtr buf, xmlAttrPtr attr)
{
xmlNodePtr children;
children = attr->children;
while (children != NULL) {
switch (children->type) {
case XML_TEXT_NODE:
xmlBufAttrSerializeTxtContent(buf, attr->doc,
children->content);
break;
case XML_ENTITY_REF_NODE:
xmlOutputBufferWrite(buf, 1, "&");
xmlOutputBufferWriteString(buf, (const char *) children->name);
xmlOutputBufferWrite(buf, 1, ";");
break;
default:
/* should not happen unless we have a badly built tree */
break;
}
children = children->next;
}
}
/**
* xmlBufDumpNotationDecl:
* @buf: the XML buffer output
* @nota: A notation declaration
*
* This will dump the content the notation declaration as an XML DTD definition
*/
static void
xmlBufDumpNotationDecl(xmlOutputBufferPtr buf, xmlNotationPtr nota) {
xmlOutputBufferWrite(buf, 11, "<!NOTATION ");
xmlOutputBufferWriteString(buf, (const char *) nota->name);
if (nota->PublicID != NULL) {
xmlOutputBufferWrite(buf, 8, " PUBLIC ");
xmlOutputBufferWriteQuotedString(buf, nota->PublicID);
if (nota->SystemID != NULL) {
xmlOutputBufferWrite(buf, 1, " ");
xmlOutputBufferWriteQuotedString(buf, nota->SystemID);
}
} else {
xmlOutputBufferWrite(buf, 8, " SYSTEM ");
xmlOutputBufferWriteQuotedString(buf, nota->SystemID);
}
xmlOutputBufferWrite(buf, 3, " >\n");
}
/**
* xmlBufDumpNotationDeclScan:
* @nota: A notation declaration
* @buf: the XML buffer output
*
* This is called with the hash scan function, and just reverses args
*/
static void
xmlBufDumpNotationDeclScan(void *nota, void *buf,
const xmlChar *name ATTRIBUTE_UNUSED) {
xmlBufDumpNotationDecl((xmlOutputBufferPtr) buf, (xmlNotationPtr) nota);
}
/**
* xmlBufDumpNotationTable:
* @buf: an xmlBufPtr output
* @table: A notation table
*
* This will dump the content of the notation table as an XML DTD definition
*/
static void
xmlBufDumpNotationTable(xmlOutputBufferPtr buf, xmlNotationTablePtr table) {
xmlHashScan(table, xmlBufDumpNotationDeclScan, buf);
}
/**
* xmlBufDumpElementOccur:
* @buf: output buffer
* @cur: element table
*
* Dump the occurrence operator of an element.
*/
static void
xmlBufDumpElementOccur(xmlOutputBufferPtr buf, xmlElementContentPtr cur) {
switch (cur->ocur) {
case XML_ELEMENT_CONTENT_ONCE:
break;
case XML_ELEMENT_CONTENT_OPT:
xmlOutputBufferWrite(buf, 1, "?");
break;
case XML_ELEMENT_CONTENT_MULT:
xmlOutputBufferWrite(buf, 1, "*");
break;
case XML_ELEMENT_CONTENT_PLUS:
xmlOutputBufferWrite(buf, 1, "+");
break;
}
}
/**
* xmlBufDumpElementContent:
* @buf: output buffer
* @content: element table
*
* This will dump the content of the element table as an XML DTD definition
*/
static void
xmlBufDumpElementContent(xmlOutputBufferPtr buf,
xmlElementContentPtr content) {
xmlElementContentPtr cur;
if (content == NULL) return;
xmlOutputBufferWrite(buf, 1, "(");
cur = content;
do {
if (cur == NULL) return;
switch (cur->type) {
case XML_ELEMENT_CONTENT_PCDATA:
xmlOutputBufferWrite(buf, 7, "#PCDATA");
break;
case XML_ELEMENT_CONTENT_ELEMENT:
if (cur->prefix != NULL) {
xmlOutputBufferWriteString(buf,
(const char *) cur->prefix);
xmlOutputBufferWrite(buf, 1, ":");
}
xmlOutputBufferWriteString(buf, (const char *) cur->name);
break;
case XML_ELEMENT_CONTENT_SEQ:
case XML_ELEMENT_CONTENT_OR:
if ((cur != content) &&
(cur->parent != NULL) &&
((cur->type != cur->parent->type) ||
(cur->ocur != XML_ELEMENT_CONTENT_ONCE)))
xmlOutputBufferWrite(buf, 1, "(");
cur = cur->c1;
continue;
}
while (cur != content) {
xmlElementContentPtr parent = cur->parent;
if (parent == NULL) return;
if (((cur->type == XML_ELEMENT_CONTENT_OR) ||
(cur->type == XML_ELEMENT_CONTENT_SEQ)) &&
((cur->type != parent->type) ||
(cur->ocur != XML_ELEMENT_CONTENT_ONCE)))
xmlOutputBufferWrite(buf, 1, ")");
xmlBufDumpElementOccur(buf, cur);
if (cur == parent->c1) {
if (parent->type == XML_ELEMENT_CONTENT_SEQ)
xmlOutputBufferWrite(buf, 3, " , ");
else if (parent->type == XML_ELEMENT_CONTENT_OR)
xmlOutputBufferWrite(buf, 3, " | ");
cur = parent->c2;
break;
}
cur = parent;
}
} while (cur != content);
xmlOutputBufferWrite(buf, 1, ")");
xmlBufDumpElementOccur(buf, content);
}
/**
* xmlBufDumpElementDecl:
* @buf: an xmlBufPtr output
* @elem: An element table
*
* This will dump the content of the element declaration as an XML
* DTD definition
*/
static void
xmlBufDumpElementDecl(xmlOutputBufferPtr buf, xmlElementPtr elem) {
xmlOutputBufferWrite(buf, 10, "<!ELEMENT ");
if (elem->prefix != NULL) {
xmlOutputBufferWriteString(buf, (const char *) elem->prefix);
xmlOutputBufferWrite(buf, 1, ":");
}
xmlOutputBufferWriteString(buf, (const char *) elem->name);
xmlOutputBufferWrite(buf, 1, " ");
switch (elem->etype) {
case XML_ELEMENT_TYPE_EMPTY:
xmlOutputBufferWrite(buf, 5, "EMPTY");
break;
case XML_ELEMENT_TYPE_ANY:
xmlOutputBufferWrite(buf, 3, "ANY");
break;
case XML_ELEMENT_TYPE_MIXED:
case XML_ELEMENT_TYPE_ELEMENT:
xmlBufDumpElementContent(buf, elem->content);
break;
default:
/* assert(0); */
break;
}
xmlOutputBufferWrite(buf, 2, ">\n");
}
/**
* xmlBufDumpEnumeration:
* @buf: output buffer
* @enum: An enumeration
*
* This will dump the content of the enumeration
*/
static void
xmlBufDumpEnumeration(xmlOutputBufferPtr buf, xmlEnumerationPtr cur) {
while (cur != NULL) {
xmlOutputBufferWriteString(buf, (const char *) cur->name);
if (cur->next != NULL)
xmlOutputBufferWrite(buf, 3, " | ");
cur = cur->next;
}
xmlOutputBufferWrite(buf, 1, ")");
}
/**
* xmlBufDumpAttributeDecl:
* @buf: output buffer
* @attr: An attribute declaration
*
* This will dump the content of the attribute declaration as an XML
* DTD definition
*/
static void
xmlBufDumpAttributeDecl(xmlOutputBufferPtr buf, xmlAttributePtr attr) {
xmlOutputBufferWrite(buf, 10, "<!ATTLIST ");
xmlOutputBufferWriteString(buf, (const char *) attr->elem);
xmlOutputBufferWrite(buf, 1, " ");
if (attr->prefix != NULL) {
xmlOutputBufferWriteString(buf, (const char *) attr->prefix);
xmlOutputBufferWrite(buf, 1, ":");
}
xmlOutputBufferWriteString(buf, (const char *) attr->name);
switch (attr->atype) {
case XML_ATTRIBUTE_CDATA:
xmlOutputBufferWrite(buf, 6, " CDATA");
break;
case XML_ATTRIBUTE_ID:
xmlOutputBufferWrite(buf, 3, " ID");
break;
case XML_ATTRIBUTE_IDREF:
xmlOutputBufferWrite(buf, 6, " IDREF");
break;
case XML_ATTRIBUTE_IDREFS:
xmlOutputBufferWrite(buf, 7, " IDREFS");
break;
case XML_ATTRIBUTE_ENTITY:
xmlOutputBufferWrite(buf, 7, " ENTITY");
break;
case XML_ATTRIBUTE_ENTITIES:
xmlOutputBufferWrite(buf, 9, " ENTITIES");
break;
case XML_ATTRIBUTE_NMTOKEN:
xmlOutputBufferWrite(buf, 8, " NMTOKEN");
break;
case XML_ATTRIBUTE_NMTOKENS:
xmlOutputBufferWrite(buf, 9, " NMTOKENS");
break;
case XML_ATTRIBUTE_ENUMERATION:
xmlOutputBufferWrite(buf, 2, " (");
xmlBufDumpEnumeration(buf, attr->tree);
break;
case XML_ATTRIBUTE_NOTATION:
xmlOutputBufferWrite(buf, 11, " NOTATION (");
xmlBufDumpEnumeration(buf, attr->tree);
break;
default:
/* assert(0); */
break;
}
switch (attr->def) {
case XML_ATTRIBUTE_NONE:
break;
case XML_ATTRIBUTE_REQUIRED:
xmlOutputBufferWrite(buf, 10, " #REQUIRED");
break;
case XML_ATTRIBUTE_IMPLIED:
xmlOutputBufferWrite(buf, 9, " #IMPLIED");
break;
case XML_ATTRIBUTE_FIXED:
xmlOutputBufferWrite(buf, 7, " #FIXED");
break;
default:
/* assert(0); */
break;
}
if (attr->defaultValue != NULL) {
xmlOutputBufferWrite(buf, 1, " ");
xmlOutputBufferWriteQuotedString(buf, attr->defaultValue);
}
xmlOutputBufferWrite(buf, 2, ">\n");
}
/**
* xmlBufDumpEntityContent:
* @buf: output buffer
* @content: entity content.
*
* This will dump the quoted string value, taking care of the special
* treatment required by %
*/
static void
xmlBufDumpEntityContent(xmlOutputBufferPtr buf, const xmlChar *content) {
if (xmlStrchr(content, '%')) {
const char * base, *cur;
xmlOutputBufferWrite(buf, 1, "\"");
base = cur = (const char *) content;
while (*cur != 0) {
if (*cur == '"') {
if (base != cur)
xmlOutputBufferWrite(buf, cur - base, base);
xmlOutputBufferWrite(buf, 6, """);
cur++;
base = cur;
} else if (*cur == '%') {
if (base != cur)
xmlOutputBufferWrite(buf, cur - base, base);
xmlOutputBufferWrite(buf, 6, "%");
cur++;
base = cur;
} else {
cur++;
}
}
if (base != cur)
xmlOutputBufferWrite(buf, cur - base, base);
xmlOutputBufferWrite(buf, 1, "\"");
} else {
xmlOutputBufferWriteQuotedString(buf, content);
}
}
/**
* xmlBufDumpEntityDecl:
* @buf: an xmlBufPtr output
* @ent: An entity table
*
* This will dump the content of the entity table as an XML DTD definition
*/
static void
xmlBufDumpEntityDecl(xmlOutputBufferPtr buf, xmlEntityPtr ent) {
if ((ent->etype == XML_INTERNAL_PARAMETER_ENTITY) ||
(ent->etype == XML_EXTERNAL_PARAMETER_ENTITY))
xmlOutputBufferWrite(buf, 11, "<!ENTITY % ");
else
xmlOutputBufferWrite(buf, 9, "<!ENTITY ");
xmlOutputBufferWriteString(buf, (const char *) ent->name);
xmlOutputBufferWrite(buf, 1, " ");
if ((ent->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY) ||
(ent->etype == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) ||
(ent->etype == XML_EXTERNAL_PARAMETER_ENTITY)) {
if (ent->ExternalID != NULL) {
xmlOutputBufferWrite(buf, 7, "PUBLIC ");
xmlOutputBufferWriteQuotedString(buf, ent->ExternalID);
xmlOutputBufferWrite(buf, 1, " ");
} else {
xmlOutputBufferWrite(buf, 7, "SYSTEM ");
}
xmlOutputBufferWriteQuotedString(buf, ent->SystemID);
}
if (ent->etype == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
if (ent->content != NULL) { /* Should be true ! */
xmlOutputBufferWrite(buf, 7, " NDATA ");
if (ent->orig != NULL)
xmlOutputBufferWriteString(buf, (const char *) ent->orig);
else
xmlOutputBufferWriteString(buf, (const char *) ent->content);
}
}
if ((ent->etype == XML_INTERNAL_GENERAL_ENTITY) ||
(ent->etype == XML_INTERNAL_PARAMETER_ENTITY)) {
if (ent->orig != NULL)
xmlOutputBufferWriteQuotedString(buf, ent->orig);
else
xmlBufDumpEntityContent(buf, ent->content);
}
xmlOutputBufferWrite(buf, 2, ">\n");
}
/************************************************************************
* *
* Dumping XML tree content to an I/O output buffer *
* *
************************************************************************/
static int xmlSaveSwitchEncoding(xmlSaveCtxtPtr ctxt, const char *encoding) {
xmlOutputBufferPtr buf = ctxt->buf;
if ((encoding != NULL) && (buf->encoder == NULL) && (buf->conv == NULL)) {
xmlCharEncodingHandler *handler;
int res;
res = xmlOpenCharEncodingHandler(encoding, /* output */ 1, &handler);
if (handler == NULL) {
xmlSaveErr(buf, res, NULL, encoding);
return(-1);
}
buf->conv = xmlBufCreate();
if (buf->conv == NULL) {
xmlCharEncCloseFunc(handler);
xmlSaveErrMemory(buf);
return(-1);
}
buf->encoder = handler;
/*
* initialize the state, e.g. if outputting a BOM
*/
xmlCharEncOutput(buf, 1);
}
return(0);
}
static int xmlSaveClearEncoding(xmlSaveCtxtPtr ctxt) {
xmlOutputBufferPtr buf = ctxt->buf;
xmlOutputBufferFlush(buf);
xmlCharEncCloseFunc(buf->encoder);
xmlBufFree(buf->conv);
buf->encoder = NULL;
buf->conv = NULL;
return(0);
}
#ifdef LIBXML_HTML_ENABLED
static void
xhtmlNodeDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur);
#endif
static void xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr 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:
* @buf: the XML buffer output
* @cur: a namespace
* @ctxt: the output save context. Optional.
*
* Dump a local Namespace definition.
* Should be called in the context of attributes dumps.
* If @ctxt is supplied, @buf should be its buffer.
*/
static void
xmlNsDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlNsPtr cur,
xmlSaveCtxtPtr ctxt) {
if ((cur == NULL) || (buf == NULL)) return;
if ((cur->type == XML_LOCAL_NAMESPACE) && (cur->href != NULL)) {
if (xmlStrEqual(cur->prefix, BAD_CAST "xml"))
return;
if (ctxt != NULL && ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 2);
else
xmlOutputBufferWrite(buf, 1, " ");
/* Within the context of an element attributes */
if (cur->prefix != NULL) {
xmlOutputBufferWrite(buf, 6, "xmlns:");
xmlOutputBufferWriteString(buf, (const char *)cur->prefix);
} else
xmlOutputBufferWrite(buf, 5, "xmlns");
xmlOutputBufferWrite(buf, 2, "=\"");
xmlBufAttrSerializeTxtContent(buf, doc, cur->href);
xmlOutputBufferWrite(buf, 1, "\"");
}
}
/**
* 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, xmlDocPtr doc, xmlNsPtr cur) {
while (cur != NULL) {
xmlNsDumpOutput(ctxt->buf, doc, cur, ctxt);
cur = cur->next;
}
}
/**
* xmlNsListDumpOutput:
* @buf: the XML buffer output
* @cur: the first namespace
*
* Dump a list of local Namespace definitions.
* Should be called in the context of attributes dumps.
*/
void
xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) {
while (cur != NULL) {
xmlNsDumpOutput(buf, NULL, cur, NULL);
cur = cur->next;
}
}
/**
* xmlDtdDumpOutput:
* @buf: the XML buffer output
* @dtd: the pointer to the DTD
*
* Dump the XML document DTD, if any.
*/
static void
xmlDtdDumpOutput(xmlSaveCtxtPtr ctxt, xmlDtdPtr dtd) {
xmlOutputBufferPtr buf;
xmlNodePtr cur;
int format, level;
if (dtd == NULL) return;
if ((ctxt == NULL) || (ctxt->buf == NULL))
return;
buf = ctxt->buf;
xmlOutputBufferWrite(buf, 10, "<!DOCTYPE ");
xmlOutputBufferWriteString(buf, (const char *)dtd->name);
if (dtd->ExternalID != NULL) {
xmlOutputBufferWrite(buf, 8, " PUBLIC ");
xmlOutputBufferWriteQuotedString(buf, dtd->ExternalID);
xmlOutputBufferWrite(buf, 1, " ");
xmlOutputBufferWriteQuotedString(buf, dtd->SystemID);
} else if (dtd->SystemID != NULL) {
xmlOutputBufferWrite(buf, 8, " SYSTEM ");
xmlOutputBufferWriteQuotedString(buf, dtd->SystemID);
}
if ((dtd->entities == NULL) && (dtd->elements == NULL) &&
(dtd->attributes == NULL) && (dtd->notations == NULL) &&
(dtd->pentities == NULL)) {
xmlOutputBufferWrite(buf, 1, ">");
return;
}
xmlOutputBufferWrite(buf, 3, " [\n");
/*
* Dump the notations first they are not in the DTD children list
* Do this only on a standalone DTD or on the internal subset though.
*/
if ((dtd->notations != NULL) && ((dtd->doc == NULL) ||
(dtd->doc->intSubset == dtd))) {
xmlBufDumpNotationTable(buf, (xmlNotationTablePtr) dtd->notations);
}
format = ctxt->format;
level = ctxt->level;
ctxt->format = 0;
ctxt->level = -1;
for (cur = dtd->children; cur != NULL; cur = cur->next) {
xmlNodeDumpOutputInternal(ctxt, cur);
}
ctxt->format = format;
ctxt->level = level;
xmlOutputBufferWrite(buf, 2, "]>");
}
/**
* xmlAttrDumpOutput:
* @buf: the XML buffer output
* @cur: the attribute pointer
*
* Dump an XML attribute
*/
static void
xmlAttrDumpOutput(xmlSaveCtxtPtr ctxt, xmlAttrPtr cur) {
xmlOutputBufferPtr buf;
if (cur == NULL) return;
buf = ctxt->buf;
if (buf == NULL) return;
if (ctxt->format == 2)
xmlOutputBufferWriteWSNonSig(ctxt, 2);
else