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-rw-r--r--third_party/libxml/src/xmlsave.c2549
1 files changed, 2549 insertions, 0 deletions
diff --git a/third_party/libxml/src/xmlsave.c b/third_party/libxml/src/xmlsave.c
new file mode 100644
index 0000000..aaa5da8
--- /dev/null
+++ b/third_party/libxml/src/xmlsave.c
@@ -0,0 +1,2549 @@
+/*
+ * xmlsave.c: Implemetation of the document serializer
+ *
+ * See Copyright for the status of this software.
+ *
+ * daniel@veillard.com
+ */
+
+#define IN_LIBXML
+#include "libxml.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>
+
+/************************************************************************
+ * *
+ * XHTML detection *
+ * *
+ ************************************************************************/
+#define XHTML_STRICT_PUBLIC_ID BAD_CAST \
+ "-//W3C//DTD XHTML 1.0 Strict//EN"
+#define XHTML_STRICT_SYSTEM_ID BAD_CAST \
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
+#define XHTML_FRAME_PUBLIC_ID BAD_CAST \
+ "-//W3C//DTD XHTML 1.0 Frameset//EN"
+#define XHTML_FRAME_SYSTEM_ID BAD_CAST \
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"
+#define XHTML_TRANS_PUBLIC_ID BAD_CAST \
+ "-//W3C//DTD XHTML 1.0 Transitional//EN"
+#define XHTML_TRANS_SYSTEM_ID BAD_CAST \
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
+
+#define XHTML_NS_NAME BAD_CAST "http://www.w3.org/1999/xhtml"
+/**
+ * xmlIsXHTML:
+ * @systemID: the system identifier
+ * @publicID: the public identifier
+ *
+ * Try to find if the document correspond to an XHTML DTD
+ *
+ * Returns 1 if true, 0 if not and -1 in case of error
+ */
+int
+xmlIsXHTML(const xmlChar *systemID, const xmlChar *publicID) {
+ if ((systemID == NULL) && (publicID == NULL))
+ return(-1);
+ if (publicID != NULL) {
+ if (xmlStrEqual(publicID, XHTML_STRICT_PUBLIC_ID)) return(1);
+ if (xmlStrEqual(publicID, XHTML_FRAME_PUBLIC_ID)) return(1);
+ if (xmlStrEqual(publicID, XHTML_TRANS_PUBLIC_ID)) return(1);
+ }
+ if (systemID != NULL) {
+ if (xmlStrEqual(systemID, XHTML_STRICT_SYSTEM_ID)) return(1);
+ if (xmlStrEqual(systemID, XHTML_FRAME_SYSTEM_ID)) return(1);
+ if (xmlStrEqual(systemID, XHTML_TRANS_SYSTEM_ID)) return(1);
+ }
+ return(0);
+}
+
+#ifdef LIBXML_OUTPUT_ENABLED
+
+#define TODO \
+ xmlGenericError(xmlGenericErrorContext, \
+ "Unimplemented block at %s:%d\n", \
+ __FILE__, __LINE__);
+
+struct _xmlSaveCtxt {
+ void *_private;
+ int type;
+ int fd;
+ const xmlChar *filename;
+ const xmlChar *encoding;
+ xmlCharEncodingHandlerPtr handler;
+ xmlOutputBufferPtr buf;
+ xmlDocPtr doc;
+ 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 informations
+ *
+ * Handle an out of memory condition
+ */
+static void
+xmlSaveErrMemory(const char *extra)
+{
+ __xmlSimpleError(XML_FROM_OUTPUT, XML_ERR_NO_MEMORY, NULL, NULL, extra);
+}
+
+/**
+ * xmlSaveErr:
+ * @code: the error number
+ * @node: the location of the error.
+ * @extra: extra informations
+ *
+ * Handle an out of memory condition
+ */
+static void
+xmlSaveErr(int code, xmlNodePtr node, const char *extra)
+{
+ const char *msg = NULL;
+
+ 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";
+ }
+ __xmlSimpleError(XML_FROM_OUTPUT, code, node, msg, extra);
+}
+
+/************************************************************************
+ * *
+ * 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 >= 0x20) && (*in < 0x80)) ||
+ (*in == '\n') || (*in == '\t')) {
+ /*
+ * default case, just copy !
+ */
+ *out++ = *in++;
+ continue;
+ } else if (*in >= 0x80) {
+ /*
+ * We assume we have UTF-8 input.
+ */
+ if (outend - out < 10) break;
+
+ if (*in < 0xC0) {
+ xmlSaveErr(XML_SAVE_NOT_UTF8, NULL, NULL);
+ in++;
+ goto error;
+ } else if (*in < 0xE0) {
+ if (inend - in < 2) break;
+ val = (in[0]) & 0x1F;
+ val <<= 6;
+ val |= (in[1]) & 0x3F;
+ in += 2;
+ } else if (*in < 0xF0) {
+ if (inend - in < 3) break;
+ val = (in[0]) & 0x0F;
+ val <<= 6;
+ val |= (in[1]) & 0x3F;
+ val <<= 6;
+ val |= (in[2]) & 0x3F;
+ in += 3;
+ } else if (*in < 0xF8) {
+ if (inend - in < 4) break;
+ val = (in[0]) & 0x07;
+ val <<= 6;
+ val |= (in[1]) & 0x3F;
+ val <<= 6;
+ val |= (in[2]) & 0x3F;
+ val <<= 6;
+ val |= (in[3]) & 0x3F;
+ in += 4;
+ } else {
+ xmlSaveErr(XML_SAVE_CHAR_INVALID, NULL, NULL);
+ in++;
+ goto error;
+ }
+ if (!IS_CHAR(val)) {
+ xmlSaveErr(XML_SAVE_CHAR_INVALID, NULL, NULL);
+ in++;
+ goto error;
+ }
+
+ /*
+ * We could do multiple things here. Just save as a char ref
+ */
+ out = xmlSerializeHexCharRef(out, val);
+ } else if (IS_BYTE_CHAR(*in)) {
+ if (outend - out < 6) break;
+ out = xmlSerializeHexCharRef(out, *in++);
+ } else {
+ xmlGenericError(xmlGenericErrorContext,
+ "xmlEscapeEntities : char out of range\n");
+ in++;
+ goto error;
+ }
+ }
+ *outlen = out - outstart;
+ *inlen = in - base;
+ return(0);
+error:
+ *outlen = out - outstart;
+ *inlen = in - base;
+ return(-1);
+}
+
+/************************************************************************
+ * *
+ * 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 ouptut 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("creating saving context");
+ return ( NULL );
+ }
+ memset(ret, 0, sizeof(xmlSaveCtxt));
+
+ if (encoding != NULL) {
+ ret->handler = xmlFindCharEncodingHandler(encoding);
+ if (ret->handler == NULL) {
+ xmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, 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;
+
+ 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:
+ xmlAttrSerializeTxtContent(buf->buffer, attr->doc,
+ attr, children->content);
+ break;
+ case XML_ENTITY_REF_NODE:
+ xmlBufferAdd(buf->buffer, BAD_CAST "&", 1);
+ xmlBufferAdd(buf->buffer, children->name,
+ xmlStrlen(children->name));
+ xmlBufferAdd(buf->buffer, BAD_CAST ";", 1);
+ break;
+ default:
+ /* should not happen unless we have a badly built tree */
+ break;
+ }
+ children = children->next;
+ }
+}
+
+/************************************************************************
+ * *
+ * 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)) {
+ buf->encoder = xmlFindCharEncodingHandler((const char *)encoding);
+ if (buf->encoder == NULL) {
+ xmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL,
+ (const char *)encoding);
+ return(-1);
+ }
+ buf->conv = xmlBufferCreate();
+ if (buf->conv == NULL) {
+ xmlCharEncCloseFunc(buf->encoder);
+ xmlSaveErrMemory("creating encoding buffer");
+ return(-1);
+ }
+ /*
+ * initialize the state, e.g. if outputting a BOM
+ */
+ xmlCharEncOutFunc(buf->encoder, buf->conv, NULL);
+ }
+ return(0);
+}
+
+static int xmlSaveClearEncoding(xmlSaveCtxtPtr ctxt) {
+ xmlOutputBufferPtr buf = ctxt->buf;
+ xmlOutputBufferFlush(buf);
+ xmlCharEncCloseFunc(buf->encoder);
+ xmlBufferFree(buf->conv);
+ buf->encoder = NULL;
+ buf->conv = NULL;
+ return(0);
+}
+
+#ifdef LIBXML_HTML_ENABLED
+static void
+xhtmlNodeDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur);
+#endif
+static void xmlNodeListDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur);
+static void xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur);
+void xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur);
+static int xmlDocContentDumpOutput(xmlSaveCtxtPtr ctxt, xmlDocPtr cur);
+
+/**
+ * xmlNsDumpOutput:
+ * @buf: the XML buffer output
+ * @cur: a namespace
+ *
+ * Dump a local Namespace definition.
+ * Should be called in the context of attributes dumps.
+ */
+static void
+xmlNsDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur) {
+ if ((cur == NULL) || (buf == NULL)) return;
+ if ((cur->type == XML_LOCAL_NAMESPACE) && (cur->href != NULL)) {
+ if (xmlStrEqual(cur->prefix, BAD_CAST "xml"))
+ return;
+
+ /* Within the context of an element attributes */
+ if (cur->prefix != NULL) {
+ xmlOutputBufferWrite(buf, 7, " xmlns:");
+ xmlOutputBufferWriteString(buf, (const char *)cur->prefix);
+ } else
+ xmlOutputBufferWrite(buf, 6, " xmlns");
+ xmlOutputBufferWrite(buf, 1, "=");
+ xmlBufferWriteQuotedString(buf->buffer, cur->href);
+ }
+}
+
+/**
+ * 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, cur);
+ 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;
+ int format, level;
+ xmlDocPtr doc;
+
+ 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 ");
+ xmlBufferWriteQuotedString(buf->buffer, dtd->ExternalID);
+ xmlOutputBufferWrite(buf, 1, " ");
+ xmlBufferWriteQuotedString(buf->buffer, dtd->SystemID);
+ } else if (dtd->SystemID != NULL) {
+ xmlOutputBufferWrite(buf, 8, " SYSTEM ");
+ xmlBufferWriteQuotedString(buf->buffer, 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))) {
+ xmlDumpNotationTable(buf->buffer, (xmlNotationTablePtr) dtd->notations);
+ }
+ format = ctxt->format;
+ level = ctxt->level;
+ doc = ctxt->doc;
+ ctxt->format = 0;
+ ctxt->level = -1;
+ ctxt->doc = dtd->doc;
+ xmlNodeListDumpOutput(ctxt, dtd->children);
+ ctxt->format = format;
+ ctxt->level = level;
+ ctxt->doc = doc;
+ 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;
+ xmlOutputBufferWrite(buf, 1, " ");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
+ xmlOutputBufferWrite(buf, 1, ":");
+ }
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 2, "=\"");
+ xmlAttrSerializeContent(buf, cur);
+ xmlOutputBufferWrite(buf, 1, "\"");
+}
+
+/**
+ * xmlAttrListDumpOutput:
+ * @buf: the XML buffer output
+ * @doc: the document
+ * @cur: the first attribute pointer
+ * @encoding: an optional encoding string
+ *
+ * Dump a list of XML attributes
+ */
+static void
+xmlAttrListDumpOutput(xmlSaveCtxtPtr ctxt, xmlAttrPtr cur) {
+ if (cur == NULL) return;
+ while (cur != NULL) {
+ xmlAttrDumpOutput(ctxt, cur);
+ cur = cur->next;
+ }
+}
+
+
+
+/**
+ * xmlNodeListDumpOutput:
+ * @cur: the first node
+ *
+ * Dump an XML node list, recursive behaviour, children are printed too.
+ */
+static void
+xmlNodeListDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
+ xmlOutputBufferPtr buf;
+
+ if (cur == NULL) return;
+ buf = ctxt->buf;
+ while (cur != NULL) {
+ if ((ctxt->format) && (xmlIndentTreeOutput) &&
+ ((cur->type == XML_ELEMENT_NODE) ||
+ (cur->type == XML_COMMENT_NODE) ||
+ (cur->type == XML_PI_NODE)))
+ xmlOutputBufferWrite(buf, ctxt->indent_size *
+ (ctxt->level > ctxt->indent_nr ?
+ ctxt->indent_nr : ctxt->level),
+ ctxt->indent);
+ xmlNodeDumpOutputInternal(ctxt, cur);
+ if (ctxt->format) {
+ xmlOutputBufferWrite(buf, 1, "\n");
+ }
+ cur = cur->next;
+ }
+}
+
+#ifdef LIBXML_HTML_ENABLED
+/**
+ * xmlNodeDumpOutputInternal:
+ * @cur: the current node
+ *
+ * Dump an HTML node, recursive behaviour, children are printed too.
+ */
+static int
+htmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
+ const xmlChar *oldenc = NULL;
+ const xmlChar *oldctxtenc = ctxt->encoding;
+ const xmlChar *encoding = ctxt->encoding;
+ xmlOutputBufferPtr buf = ctxt->buf;
+ int switched_encoding = 0;
+ xmlDocPtr doc;
+
+ xmlInitParser();
+
+ doc = cur->doc;
+ if (doc != NULL) {
+ oldenc = doc->encoding;
+ if (ctxt->encoding != NULL) {
+ doc->encoding = BAD_CAST ctxt->encoding;
+ } else if (doc->encoding != NULL) {
+ encoding = doc->encoding;
+ }
+ }
+
+ if ((encoding != NULL) && (doc != NULL))
+ htmlSetMetaEncoding(doc, (const xmlChar *) encoding);
+ if ((encoding == NULL) && (doc != NULL))
+ encoding = htmlGetMetaEncoding(doc);
+ if (encoding == NULL)
+ encoding = BAD_CAST "HTML";
+ if ((encoding != NULL) && (oldctxtenc == NULL) &&
+ (buf->encoder == NULL) && (buf->conv == NULL)) {
+ if (xmlSaveSwitchEncoding(ctxt, (const char*) encoding) < 0) {
+ doc->encoding = oldenc;
+ return(-1);
+ }
+ switched_encoding = 1;
+ }
+ if (ctxt->options & XML_SAVE_FORMAT)
+ htmlNodeDumpFormatOutput(buf, doc, cur,
+ (const char *)encoding, 1);
+ else
+ htmlNodeDumpFormatOutput(buf, doc, cur,
+ (const char *)encoding, 0);
+ /*
+ * Restore the state of the saving context at the end of the document
+ */
+ if ((switched_encoding) && (oldctxtenc == NULL)) {
+ xmlSaveClearEncoding(ctxt);
+ }
+ if (doc != NULL)
+ doc->encoding = oldenc;
+ return(0);
+}
+#endif
+
+/**
+ * xmlNodeDumpOutputInternal:
+ * @cur: the current node
+ *
+ * Dump an XML node, recursive behaviour, children are printed too.
+ */
+static void
+xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
+ int format;
+ xmlNodePtr tmp;
+ xmlChar *start, *end;
+ xmlOutputBufferPtr buf;
+
+ if (cur == NULL) return;
+ buf = ctxt->buf;
+ if (cur->type == XML_XINCLUDE_START)
+ return;
+ if (cur->type == XML_XINCLUDE_END)
+ return;
+ if ((cur->type == XML_DOCUMENT_NODE) ||
+ (cur->type == XML_HTML_DOCUMENT_NODE)) {
+ xmlDocContentDumpOutput(ctxt, (xmlDocPtr) cur);
+ return;
+ }
+#ifdef LIBXML_HTML_ENABLED
+ if (ctxt->options & XML_SAVE_XHTML) {
+ xhtmlNodeDumpOutput(ctxt, cur);
+ return;
+ }
+ if (((cur->type != XML_NAMESPACE_DECL) && (cur->doc != NULL) &&
+ (cur->doc->type == XML_HTML_DOCUMENT_NODE) &&
+ ((ctxt->options & XML_SAVE_AS_XML) == 0)) ||
+ (ctxt->options & XML_SAVE_AS_HTML)) {
+ htmlNodeDumpOutputInternal(ctxt, cur);
+ return;
+ }
+#endif
+ if (cur->type == XML_DTD_NODE) {
+ xmlDtdDumpOutput(ctxt, (xmlDtdPtr) cur);
+ return;
+ }
+ if (cur->type == XML_DOCUMENT_FRAG_NODE) {
+ xmlNodeListDumpOutput(ctxt, cur->children);
+ return;
+ }
+ if (cur->type == XML_ELEMENT_DECL) {
+ xmlDumpElementDecl(buf->buffer, (xmlElementPtr) cur);
+ return;
+ }
+ if (cur->type == XML_ATTRIBUTE_DECL) {
+ xmlDumpAttributeDecl(buf->buffer, (xmlAttributePtr) cur);
+ return;
+ }
+ if (cur->type == XML_ENTITY_DECL) {
+ xmlDumpEntityDecl(buf->buffer, (xmlEntityPtr) cur);
+ return;
+ }
+ if (cur->type == XML_TEXT_NODE) {
+ if (cur->content != NULL) {
+ if (cur->name != xmlStringTextNoenc) {
+ xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape);
+ } else {
+ /*
+ * Disable escaping, needed for XSLT
+ */
+ xmlOutputBufferWriteString(buf, (const char *) cur->content);
+ }
+ }
+
+ return;
+ }
+ if (cur->type == XML_PI_NODE) {
+ if (cur->content != NULL) {
+ xmlOutputBufferWrite(buf, 2, "<?");
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ if (cur->content != NULL) {
+ xmlOutputBufferWrite(buf, 1, " ");
+ xmlOutputBufferWriteString(buf, (const char *)cur->content);
+ }
+ xmlOutputBufferWrite(buf, 2, "?>");
+ } else {
+ xmlOutputBufferWrite(buf, 2, "<?");
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 2, "?>");
+ }
+ return;
+ }
+ if (cur->type == XML_COMMENT_NODE) {
+ if (cur->content != NULL) {
+ xmlOutputBufferWrite(buf, 4, "<!--");
+ xmlOutputBufferWriteString(buf, (const char *)cur->content);
+ xmlOutputBufferWrite(buf, 3, "-->");
+ }
+ return;
+ }
+ if (cur->type == XML_ENTITY_REF_NODE) {
+ xmlOutputBufferWrite(buf, 1, "&");
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 1, ";");
+ return;
+ }
+ if (cur->type == XML_CDATA_SECTION_NODE) {
+ if (cur->content == NULL || *cur->content == '\0') {
+ xmlOutputBufferWrite(buf, 12, "<![CDATA[]]>");
+ } else {
+ start = end = cur->content;
+ while (*end != '\0') {
+ if ((*end == ']') && (*(end + 1) == ']') &&
+ (*(end + 2) == '>')) {
+ end = end + 2;
+ xmlOutputBufferWrite(buf, 9, "<![CDATA[");
+ xmlOutputBufferWrite(buf, end - start, (const char *)start);
+ xmlOutputBufferWrite(buf, 3, "]]>");
+ start = end;
+ }
+ end++;
+ }
+ if (start != end) {
+ xmlOutputBufferWrite(buf, 9, "<![CDATA[");
+ xmlOutputBufferWriteString(buf, (const char *)start);
+ xmlOutputBufferWrite(buf, 3, "]]>");
+ }
+ }
+ return;
+ }
+ if (cur->type == XML_ATTRIBUTE_NODE) {
+ xmlAttrDumpOutput(ctxt, (xmlAttrPtr) cur);
+ return;
+ }
+ if (cur->type == XML_NAMESPACE_DECL) {
+ xmlNsDumpOutput(buf, (xmlNsPtr) cur);
+ return;
+ }
+
+ format = ctxt->format;
+ if (format == 1) {
+ tmp = cur->children;
+ while (tmp != NULL) {
+ if ((tmp->type == XML_TEXT_NODE) ||
+ (tmp->type == XML_CDATA_SECTION_NODE) ||
+ (tmp->type == XML_ENTITY_REF_NODE)) {
+ ctxt->format = 0;
+ break;
+ }
+ tmp = tmp->next;
+ }
+ }
+ xmlOutputBufferWrite(buf, 1, "<");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
+ xmlOutputBufferWrite(buf, 1, ":");
+ }
+
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ if (cur->nsDef)
+ xmlNsListDumpOutput(buf, cur->nsDef);
+ if (cur->properties != NULL)
+ xmlAttrListDumpOutput(ctxt, cur->properties);
+
+ if (((cur->type == XML_ELEMENT_NODE) || (cur->content == NULL)) &&
+ (cur->children == NULL) && ((ctxt->options & XML_SAVE_NO_EMPTY) == 0)) {
+ xmlOutputBufferWrite(buf, 2, "/>");
+ ctxt->format = format;
+ return;
+ }
+ xmlOutputBufferWrite(buf, 1, ">");
+ if ((cur->type != XML_ELEMENT_NODE) && (cur->content != NULL)) {
+ xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape);
+ }
+ if (cur->children != NULL) {
+ if (ctxt->format) xmlOutputBufferWrite(buf, 1, "\n");
+ if (ctxt->level >= 0) ctxt->level++;
+ xmlNodeListDumpOutput(ctxt, cur->children);
+ if (ctxt->level > 0) ctxt->level--;
+ if ((xmlIndentTreeOutput) && (ctxt->format))
+ xmlOutputBufferWrite(buf, ctxt->indent_size *
+ (ctxt->level > ctxt->indent_nr ?
+ ctxt->indent_nr : ctxt->level),
+ ctxt->indent);
+ }
+ xmlOutputBufferWrite(buf, 2, "</");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
+ xmlOutputBufferWrite(buf, 1, ":");
+ }
+
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 1, ">");
+ ctxt->format = format;
+}
+
+/**
+ * xmlDocContentDumpOutput:
+ * @cur: the document
+ *
+ * Dump an XML document.
+ */
+static int
+xmlDocContentDumpOutput(xmlSaveCtxtPtr ctxt, xmlDocPtr cur) {
+#ifdef LIBXML_HTML_ENABLED
+ xmlDtdPtr dtd;
+ int is_xhtml = 0;
+#endif
+ const xmlChar *oldenc = cur->encoding;
+ const xmlChar *oldctxtenc = ctxt->encoding;
+ const xmlChar *encoding = ctxt->encoding;
+ xmlCharEncodingOutputFunc oldescape = ctxt->escape;
+ xmlCharEncodingOutputFunc oldescapeAttr = ctxt->escapeAttr;
+ xmlOutputBufferPtr buf = ctxt->buf;
+ xmlCharEncoding enc;
+ int switched_encoding = 0;
+
+ xmlInitParser();
+
+ if ((cur->type != XML_HTML_DOCUMENT_NODE) &&
+ (cur->type != XML_DOCUMENT_NODE))
+ return(-1);
+
+ if (ctxt->encoding != NULL) {
+ cur->encoding = BAD_CAST ctxt->encoding;
+ } else if (cur->encoding != NULL) {
+ encoding = cur->encoding;
+ } else if (cur->charset != XML_CHAR_ENCODING_UTF8) {
+ encoding = (const xmlChar *)
+ xmlGetCharEncodingName((xmlCharEncoding) cur->charset);
+ }
+
+ if (((cur->type == XML_HTML_DOCUMENT_NODE) &&
+ ((ctxt->options & XML_SAVE_AS_XML) == 0) &&
+ ((ctxt->options & XML_SAVE_XHTML) == 0)) ||
+ (ctxt->options & XML_SAVE_AS_HTML)) {
+#ifdef LIBXML_HTML_ENABLED
+ if (encoding != NULL)
+ htmlSetMetaEncoding(cur, (const xmlChar *) encoding);
+ if (encoding == NULL)
+ encoding = htmlGetMetaEncoding(cur);
+ if (encoding == NULL)
+ encoding = BAD_CAST "HTML";
+ if ((encoding != NULL) && (oldctxtenc == NULL) &&
+ (buf->encoder == NULL) && (buf->conv == NULL)) {
+ if (xmlSaveSwitchEncoding(ctxt, (const char*) encoding) < 0) {
+ cur->encoding = oldenc;
+ return(-1);
+ }
+ }
+ if (ctxt->options & XML_SAVE_FORMAT)
+ htmlDocContentDumpFormatOutput(buf, cur,
+ (const char *)encoding, 1);
+ else
+ htmlDocContentDumpFormatOutput(buf, cur,
+ (const char *)encoding, 0);
+ if (ctxt->encoding != NULL)
+ cur->encoding = oldenc;
+ return(0);
+#else
+ return(-1);
+#endif
+ } else if ((cur->type == XML_DOCUMENT_NODE) ||
+ (ctxt->options & XML_SAVE_AS_XML) ||
+ (ctxt->options & XML_SAVE_XHTML)) {
+ enc = xmlParseCharEncoding((const char*) encoding);
+ if ((encoding != NULL) && (oldctxtenc == NULL) &&
+ (buf->encoder == NULL) && (buf->conv == NULL) &&
+ ((ctxt->options & XML_SAVE_NO_DECL) == 0)) {
+ if ((enc != XML_CHAR_ENCODING_UTF8) &&
+ (enc != XML_CHAR_ENCODING_NONE) &&
+ (enc != XML_CHAR_ENCODING_ASCII)) {
+ /*
+ * we need to switch to this encoding but just for this
+ * document since we output the XMLDecl the conversion
+ * must be done to not generate not well formed documents.
+ */
+ if (xmlSaveSwitchEncoding(ctxt, (const char*) encoding) < 0) {
+ cur->encoding = oldenc;
+ return(-1);
+ }
+ switched_encoding = 1;
+ }
+ if (ctxt->escape == xmlEscapeEntities)
+ ctxt->escape = NULL;
+ if (ctxt->escapeAttr == xmlEscapeEntities)
+ ctxt->escapeAttr = NULL;
+ }
+
+
+ /*
+ * Save the XML declaration
+ */
+ if ((ctxt->options & XML_SAVE_NO_DECL) == 0) {
+ xmlOutputBufferWrite(buf, 14, "<?xml version=");
+ if (cur->version != NULL)
+ xmlBufferWriteQuotedString(buf->buffer, cur->version);
+ else
+ xmlOutputBufferWrite(buf, 5, "\"1.0\"");
+ if (encoding != NULL) {
+ xmlOutputBufferWrite(buf, 10, " encoding=");
+ xmlBufferWriteQuotedString(buf->buffer, (xmlChar *) encoding);
+ }
+ switch (cur->standalone) {
+ case 0:
+ xmlOutputBufferWrite(buf, 16, " standalone=\"no\"");
+ break;
+ case 1:
+ xmlOutputBufferWrite(buf, 17, " standalone=\"yes\"");
+ break;
+ }
+ xmlOutputBufferWrite(buf, 3, "?>\n");
+ }
+
+#ifdef LIBXML_HTML_ENABLED
+ if (ctxt->options & XML_SAVE_XHTML)
+ is_xhtml = 1;
+ if ((ctxt->options & XML_SAVE_NO_XHTML) == 0) {
+ dtd = xmlGetIntSubset(cur);
+ if (dtd != NULL) {
+ is_xhtml = xmlIsXHTML(dtd->SystemID, dtd->ExternalID);
+ if (is_xhtml < 0) is_xhtml = 0;
+ }
+ }
+#endif
+ if (cur->children != NULL) {
+ xmlNodePtr child = cur->children;
+
+ while (child != NULL) {
+ ctxt->level = 0;
+#ifdef LIBXML_HTML_ENABLED
+ if (is_xhtml)
+ xhtmlNodeDumpOutput(ctxt, child);
+ else
+#endif
+ xmlNodeDumpOutputInternal(ctxt, child);
+ xmlOutputBufferWrite(buf, 1, "\n");
+ child = child->next;
+ }
+ }
+ }
+
+ /*
+ * Restore the state of the saving context at the end of the document
+ */
+ if ((switched_encoding) && (oldctxtenc == NULL)) {
+ xmlSaveClearEncoding(ctxt);
+ ctxt->escape = oldescape;
+ ctxt->escapeAttr = oldescapeAttr;
+ }
+ cur->encoding = oldenc;
+ return(0);
+}
+
+#ifdef LIBXML_HTML_ENABLED
+/************************************************************************
+ * *
+ * Functions specific to XHTML serialization *
+ * *
+ ************************************************************************/
+
+/**
+ * xhtmlIsEmpty:
+ * @node: the node
+ *
+ * Check if a node is an empty xhtml node
+ *
+ * Returns 1 if the node is an empty node, 0 if not and -1 in case of error
+ */
+static int
+xhtmlIsEmpty(xmlNodePtr node) {
+ if (node == NULL)
+ return(-1);
+ if (node->type != XML_ELEMENT_NODE)
+ return(0);
+ if ((node->ns != NULL) && (!xmlStrEqual(node->ns->href, XHTML_NS_NAME)))
+ return(0);
+ if (node->children != NULL)
+ return(0);
+ switch (node->name[0]) {
+ case 'a':
+ if (xmlStrEqual(node->name, BAD_CAST "area"))
+ return(1);
+ return(0);
+ case 'b':
+ if (xmlStrEqual(node->name, BAD_CAST "br"))
+ return(1);
+ if (xmlStrEqual(node->name, BAD_CAST "base"))
+ return(1);
+ if (xmlStrEqual(node->name, BAD_CAST "basefont"))
+ return(1);
+ return(0);
+ case 'c':
+ if (xmlStrEqual(node->name, BAD_CAST "col"))
+ return(1);
+ return(0);
+ case 'f':
+ if (xmlStrEqual(node->name, BAD_CAST "frame"))
+ return(1);
+ return(0);
+ case 'h':
+ if (xmlStrEqual(node->name, BAD_CAST "hr"))
+ return(1);
+ return(0);
+ case 'i':
+ if (xmlStrEqual(node->name, BAD_CAST "img"))
+ return(1);
+ if (xmlStrEqual(node->name, BAD_CAST "input"))
+ return(1);
+ if (xmlStrEqual(node->name, BAD_CAST "isindex"))
+ return(1);
+ return(0);
+ case 'l':
+ if (xmlStrEqual(node->name, BAD_CAST "link"))
+ return(1);
+ return(0);
+ case 'm':
+ if (xmlStrEqual(node->name, BAD_CAST "meta"))
+ return(1);
+ return(0);
+ case 'p':
+ if (xmlStrEqual(node->name, BAD_CAST "param"))
+ return(1);
+ return(0);
+ }
+ return(0);
+}
+
+/**
+ * xhtmlAttrListDumpOutput:
+ * @cur: the first attribute pointer
+ *
+ * Dump a list of XML attributes
+ */
+static void
+xhtmlAttrListDumpOutput(xmlSaveCtxtPtr ctxt, xmlAttrPtr cur) {
+ xmlAttrPtr xml_lang = NULL;
+ xmlAttrPtr lang = NULL;
+ xmlAttrPtr name = NULL;
+ xmlAttrPtr id = NULL;
+ xmlNodePtr parent;
+ xmlOutputBufferPtr buf;
+
+ if (cur == NULL) return;
+ buf = ctxt->buf;
+ parent = cur->parent;
+ while (cur != NULL) {
+ if ((cur->ns == NULL) && (xmlStrEqual(cur->name, BAD_CAST "id")))
+ id = cur;
+ else
+ if ((cur->ns == NULL) && (xmlStrEqual(cur->name, BAD_CAST "name")))
+ name = cur;
+ else
+ if ((cur->ns == NULL) && (xmlStrEqual(cur->name, BAD_CAST "lang")))
+ lang = cur;
+ else
+ if ((cur->ns != NULL) && (xmlStrEqual(cur->name, BAD_CAST "lang")) &&
+ (xmlStrEqual(cur->ns->prefix, BAD_CAST "xml")))
+ xml_lang = cur;
+ else if ((cur->ns == NULL) &&
+ ((cur->children == NULL) ||
+ (cur->children->content == NULL) ||
+ (cur->children->content[0] == 0)) &&
+ (htmlIsBooleanAttr(cur->name))) {
+ if (cur->children != NULL)
+ xmlFreeNode(cur->children);
+ cur->children = xmlNewText(cur->name);
+ if (cur->children != NULL)
+ cur->children->parent = (xmlNodePtr) cur;
+ }
+ xmlAttrDumpOutput(ctxt, cur);
+ cur = cur->next;
+ }
+ /*
+ * C.8
+ */
+ if ((name != NULL) && (id == NULL)) {
+ if ((parent != NULL) && (parent->name != NULL) &&
+ ((xmlStrEqual(parent->name, BAD_CAST "a")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "p")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "div")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "img")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "map")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "applet")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "form")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "frame")) ||
+ (xmlStrEqual(parent->name, BAD_CAST "iframe")))) {
+ xmlOutputBufferWrite(buf, 5, " id=\"");
+ xmlAttrSerializeContent(buf, name);
+ xmlOutputBufferWrite(buf, 1, "\"");
+ }
+ }
+ /*
+ * C.7.
+ */
+ if ((lang != NULL) && (xml_lang == NULL)) {
+ xmlOutputBufferWrite(buf, 11, " xml:lang=\"");
+ xmlAttrSerializeContent(buf, lang);
+ xmlOutputBufferWrite(buf, 1, "\"");
+ } else
+ if ((xml_lang != NULL) && (lang == NULL)) {
+ xmlOutputBufferWrite(buf, 7, " lang=\"");
+ xmlAttrSerializeContent(buf, xml_lang);
+ xmlOutputBufferWrite(buf, 1, "\"");
+ }
+}
+
+/**
+ * xhtmlNodeListDumpOutput:
+ * @buf: the XML buffer output
+ * @doc: the XHTML document
+ * @cur: the first node
+ * @level: the imbrication level for indenting
+ * @format: is formatting allowed
+ * @encoding: an optional encoding string
+ *
+ * Dump an XML node list, recursive behaviour, children are printed too.
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ */
+static void
+xhtmlNodeListDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
+ xmlOutputBufferPtr buf;
+
+ if (cur == NULL) return;
+ buf = ctxt->buf;
+ while (cur != NULL) {
+ if ((ctxt->format) && (xmlIndentTreeOutput) &&
+ (cur->type == XML_ELEMENT_NODE))
+ xmlOutputBufferWrite(buf, ctxt->indent_size *
+ (ctxt->level > ctxt->indent_nr ?
+ ctxt->indent_nr : ctxt->level),
+ ctxt->indent);
+ xhtmlNodeDumpOutput(ctxt, cur);
+ if (ctxt->format) {
+ xmlOutputBufferWrite(buf, 1, "\n");
+ }
+ cur = cur->next;
+ }
+}
+
+/**
+ * xhtmlNodeDumpOutput:
+ * @buf: the XML buffer output
+ * @doc: the XHTML document
+ * @cur: the current node
+ * @level: the imbrication level for indenting
+ * @format: is formatting allowed
+ * @encoding: an optional encoding string
+ *
+ * Dump an XHTML node, recursive behaviour, children are printed too.
+ */
+static void
+xhtmlNodeDumpOutput(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
+ int format, addmeta = 0;
+ xmlNodePtr tmp;
+ xmlChar *start, *end;
+ xmlOutputBufferPtr buf;
+
+ if (cur == NULL) return;
+ if ((cur->type == XML_DOCUMENT_NODE) ||
+ (cur->type == XML_HTML_DOCUMENT_NODE)) {
+ xmlDocContentDumpOutput(ctxt, (xmlDocPtr) cur);
+ return;
+ }
+ if (cur->type == XML_XINCLUDE_START)
+ return;
+ if (cur->type == XML_XINCLUDE_END)
+ return;
+ if (cur->type == XML_DTD_NODE) {
+ xmlDtdDumpOutput(ctxt, (xmlDtdPtr) cur);
+ return;
+ }
+ if (cur->type == XML_DOCUMENT_FRAG_NODE) {
+ xhtmlNodeListDumpOutput(ctxt, cur->children);
+ return;
+ }
+ buf = ctxt->buf;
+ if (cur->type == XML_ELEMENT_DECL) {
+ xmlDumpElementDecl(buf->buffer, (xmlElementPtr) cur);
+ return;
+ }
+ if (cur->type == XML_ATTRIBUTE_DECL) {
+ xmlDumpAttributeDecl(buf->buffer, (xmlAttributePtr) cur);
+ return;
+ }
+ if (cur->type == XML_ENTITY_DECL) {
+ xmlDumpEntityDecl(buf->buffer, (xmlEntityPtr) cur);
+ return;
+ }
+ if (cur->type == XML_TEXT_NODE) {
+ if (cur->content != NULL) {
+ if ((cur->name == xmlStringText) ||
+ (cur->name != xmlStringTextNoenc)) {
+ xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape);
+ } else {
+ /*
+ * Disable escaping, needed for XSLT
+ */
+ xmlOutputBufferWriteString(buf, (const char *) cur->content);
+ }
+ }
+
+ return;
+ }
+ if (cur->type == XML_PI_NODE) {
+ if (cur->content != NULL) {
+ xmlOutputBufferWrite(buf, 2, "<?");
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ if (cur->content != NULL) {
+ xmlOutputBufferWrite(buf, 1, " ");
+ xmlOutputBufferWriteString(buf, (const char *)cur->content);
+ }
+ xmlOutputBufferWrite(buf, 2, "?>");
+ } else {
+ xmlOutputBufferWrite(buf, 2, "<?");
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 2, "?>");
+ }
+ return;
+ }
+ if (cur->type == XML_COMMENT_NODE) {
+ if (cur->content != NULL) {
+ xmlOutputBufferWrite(buf, 4, "<!--");
+ xmlOutputBufferWriteString(buf, (const char *)cur->content);
+ xmlOutputBufferWrite(buf, 3, "-->");
+ }
+ return;
+ }
+ if (cur->type == XML_ENTITY_REF_NODE) {
+ xmlOutputBufferWrite(buf, 1, "&");
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 1, ";");
+ return;
+ }
+ if (cur->type == XML_CDATA_SECTION_NODE) {
+ if (cur->content == NULL || *cur->content == '\0') {
+ xmlOutputBufferWrite(buf, 12, "<![CDATA[]]>");
+ } else {
+ start = end = cur->content;
+ while (*end != '\0') {
+ if (*end == ']' && *(end + 1) == ']' && *(end + 2) == '>') {
+ end = end + 2;
+ xmlOutputBufferWrite(buf, 9, "<![CDATA[");
+ xmlOutputBufferWrite(buf, end - start, (const char *)start);
+ xmlOutputBufferWrite(buf, 3, "]]>");
+ start = end;
+ }
+ end++;
+ }
+ if (start != end) {
+ xmlOutputBufferWrite(buf, 9, "<![CDATA[");
+ xmlOutputBufferWriteString(buf, (const char *)start);
+ xmlOutputBufferWrite(buf, 3, "]]>");
+ }
+ }
+ return;
+ }
+ if (cur->type == XML_ATTRIBUTE_NODE) {
+ xmlAttrDumpOutput(ctxt, (xmlAttrPtr) cur);
+ return;
+ }
+
+ format = ctxt->format;
+ if (format == 1) {
+ tmp = cur->children;
+ while (tmp != NULL) {
+ if ((tmp->type == XML_TEXT_NODE) ||
+ (tmp->type == XML_ENTITY_REF_NODE)) {
+ format = 0;
+ break;
+ }
+ tmp = tmp->next;
+ }
+ }
+ xmlOutputBufferWrite(buf, 1, "<");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
+ xmlOutputBufferWrite(buf, 1, ":");
+ }
+
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ if (cur->nsDef)
+ xmlNsListDumpOutput(buf, cur->nsDef);
+ if ((xmlStrEqual(cur->name, BAD_CAST "html") &&
+ (cur->ns == NULL) && (cur->nsDef == NULL))) {
+ /*
+ * 3.1.1. Strictly Conforming Documents A.3.1.1 3/
+ */
+ xmlOutputBufferWriteString(buf,
+ " xmlns=\"http://www.w3.org/1999/xhtml\"");
+ }
+ if (cur->properties != NULL)
+ xhtmlAttrListDumpOutput(ctxt, cur->properties);
+
+ if ((cur->type == XML_ELEMENT_NODE) &&
+ (cur->parent != NULL) &&
+ (cur->parent->parent == (xmlNodePtr) cur->doc) &&
+ xmlStrEqual(cur->name, BAD_CAST"head") &&
+ xmlStrEqual(cur->parent->name, BAD_CAST"html")) {
+
+ tmp = cur->children;
+ while (tmp != NULL) {
+ if (xmlStrEqual(tmp->name, BAD_CAST"meta")) {
+ xmlChar *httpequiv;
+
+ httpequiv = xmlGetProp(tmp, BAD_CAST"http-equiv");
+ if (httpequiv != NULL) {
+ if (xmlStrcasecmp(httpequiv, BAD_CAST"Content-Type") == 0) {
+ xmlFree(httpequiv);
+ break;
+ }
+ xmlFree(httpequiv);
+ }
+ }
+ tmp = tmp->next;
+ }
+ if (tmp == NULL)
+ addmeta = 1;
+ }
+
+ if ((cur->type == XML_ELEMENT_NODE) && (cur->children == NULL)) {
+ if (((cur->ns == NULL) || (cur->ns->prefix == NULL)) &&
+ ((xhtmlIsEmpty(cur) == 1) && (addmeta == 0))) {
+ /*
+ * C.2. Empty Elements
+ */
+ xmlOutputBufferWrite(buf, 3, " />");
+ } else {
+ if (addmeta == 1) {
+ xmlOutputBufferWrite(buf, 1, ">");
+ if (ctxt->format) {
+ xmlOutputBufferWrite(buf, 1, "\n");
+ if (xmlIndentTreeOutput)
+ xmlOutputBufferWrite(buf, ctxt->indent_size *
+ (ctxt->level + 1 > ctxt->indent_nr ?
+ ctxt->indent_nr : ctxt->level + 1), ctxt->indent);
+ }
+ xmlOutputBufferWriteString(buf,
+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=");
+ if (ctxt->encoding) {
+ xmlOutputBufferWriteString(buf, (const char *)ctxt->encoding);
+ } else {
+ xmlOutputBufferWrite(buf, 5, "UTF-8");
+ }
+ xmlOutputBufferWrite(buf, 4, "\" />");
+ if (ctxt->format)
+ xmlOutputBufferWrite(buf, 1, "\n");
+ } else {
+ xmlOutputBufferWrite(buf, 1, ">");
+ }
+ /*
+ * C.3. Element Minimization and Empty Element Content
+ */
+ xmlOutputBufferWrite(buf, 2, "</");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
+ xmlOutputBufferWrite(buf, 1, ":");
+ }
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 1, ">");
+ }
+ return;
+ }
+ xmlOutputBufferWrite(buf, 1, ">");
+ if (addmeta == 1) {
+ if (ctxt->format) {
+ xmlOutputBufferWrite(buf, 1, "\n");
+ if (xmlIndentTreeOutput)
+ xmlOutputBufferWrite(buf, ctxt->indent_size *
+ (ctxt->level + 1 > ctxt->indent_nr ?
+ ctxt->indent_nr : ctxt->level + 1), ctxt->indent);
+ }
+ xmlOutputBufferWriteString(buf,
+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=");
+ if (ctxt->encoding) {
+ xmlOutputBufferWriteString(buf, (const char *)ctxt->encoding);
+ } else {
+ xmlOutputBufferWrite(buf, 5, "UTF-8");
+ }
+ xmlOutputBufferWrite(buf, 4, "\" />");
+ }
+ if ((cur->type != XML_ELEMENT_NODE) && (cur->content != NULL)) {
+ xmlOutputBufferWriteEscape(buf, cur->content, ctxt->escape);
+ }
+
+#if 0
+ /*
+ * This was removed due to problems with HTML processors.
+ * See bug #345147.
+ */
+ /*
+ * 4.8. Script and Style elements
+ */
+ if ((cur->type == XML_ELEMENT_NODE) &&
+ ((xmlStrEqual(cur->name, BAD_CAST "script")) ||
+ (xmlStrEqual(cur->name, BAD_CAST "style"))) &&
+ ((cur->ns == NULL) ||
+ (xmlStrEqual(cur->ns->href, XHTML_NS_NAME)))) {
+ xmlNodePtr child = cur->children;
+
+ while (child != NULL) {
+ if (child->type == XML_TEXT_NODE) {
+ if ((xmlStrchr(child->content, '<') == NULL) &&
+ (xmlStrchr(child->content, '&') == NULL) &&
+ (xmlStrstr(child->content, BAD_CAST "]]>") == NULL)) {
+ /* Nothing to escape, so just output as is... */
+ /* FIXME: Should we do something about "--" also? */
+ int level = ctxt->level;
+ int indent = ctxt->format;
+
+ ctxt->level = 0;
+ ctxt->format = 0;
+ xmlOutputBufferWriteString(buf, (const char *) child->content);
+ /* (We cannot use xhtmlNodeDumpOutput() here because
+ * we wish to leave '>' unescaped!) */
+ ctxt->level = level;
+ ctxt->format = indent;
+ } else {
+ /* We must use a CDATA section. Unfortunately,
+ * this will break CSS and JavaScript when read by
+ * a browser in HTML4-compliant mode. :-( */
+ start = end = child->content;
+ while (*end != '\0') {
+ if (*end == ']' &&
+ *(end + 1) == ']' &&
+ *(end + 2) == '>') {
+ end = end + 2;
+ xmlOutputBufferWrite(buf, 9, "<![CDATA[");
+ xmlOutputBufferWrite(buf, end - start,
+ (const char *)start);
+ xmlOutputBufferWrite(buf, 3, "]]>");
+ start = end;
+ }
+ end++;
+ }
+ if (start != end) {
+ xmlOutputBufferWrite(buf, 9, "<![CDATA[");
+ xmlOutputBufferWrite(buf, end - start,
+ (const char *)start);
+ xmlOutputBufferWrite(buf, 3, "]]>");
+ }
+ }
+ } else {
+ int level = ctxt->level;
+ int indent = ctxt->format;
+
+ ctxt->level = 0;
+ ctxt->format = 0;
+ xhtmlNodeDumpOutput(ctxt, child);
+ ctxt->level = level;
+ ctxt->format = indent;
+ }
+ child = child->next;
+ }
+ }
+#endif
+
+ if (cur->children != NULL) {
+ int indent = ctxt->format;
+
+ if (format) xmlOutputBufferWrite(buf, 1, "\n");
+ if (ctxt->level >= 0) ctxt->level++;
+ ctxt->format = format;
+ xhtmlNodeListDumpOutput(ctxt, cur->children);
+ if (ctxt->level > 0) ctxt->level--;
+ ctxt->format = indent;
+ if ((xmlIndentTreeOutput) && (format))
+ xmlOutputBufferWrite(buf, ctxt->indent_size *
+ (ctxt->level > ctxt->indent_nr ?
+ ctxt->indent_nr : ctxt->level),
+ ctxt->indent);
+ }
+ xmlOutputBufferWrite(buf, 2, "</");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
+ xmlOutputBufferWrite(buf, 1, ":");
+ }
+
+ xmlOutputBufferWriteString(buf, (const char *)cur->name);
+ xmlOutputBufferWrite(buf, 1, ">");
+}
+#endif
+
+/************************************************************************
+ * *
+ * Public entry points *
+ * *
+ ************************************************************************/
+
+/**
+ * xmlSaveToFd:
+ * @fd: a file descriptor number
+ * @encoding: the encoding name to use or NULL
+ * @options: a set of xmlSaveOptions
+ *
+ * Create a document saving context serializing to a file descriptor
+ * with the encoding and the options given.
+ *
+ * Returns a new serialization context or NULL in case of error.
+ */
+xmlSaveCtxtPtr
+xmlSaveToFd(int fd, const char *encoding, int options)
+{
+ xmlSaveCtxtPtr ret;
+
+ ret = xmlNewSaveCtxt(encoding, options);
+ if (ret == NULL) return(NULL);
+ ret->buf = xmlOutputBufferCreateFd(fd, ret->handler);
+ if (ret->buf == NULL) {
+ xmlFreeSaveCtxt(ret);
+ return(NULL);
+ }
+ return(ret);
+}
+
+/**
+ * xmlSaveToFilename:
+ * @filename: a file name or an URL
+ * @encoding: the encoding name to use or NULL
+ * @options: a set of xmlSaveOptions
+ *
+ * Create a document saving context serializing to a filename or possibly
+ * to an URL (but this is less reliable) with the encoding and the options
+ * given.
+ *
+ * Returns a new serialization context or NULL in case of error.
+ */
+xmlSaveCtxtPtr
+xmlSaveToFilename(const char *filename, const char *encoding, int options)
+{
+ xmlSaveCtxtPtr ret;
+ int compression = 0; /* TODO handle compression option */
+
+ ret = xmlNewSaveCtxt(encoding, options);
+ if (ret == NULL) return(NULL);
+ ret->buf = xmlOutputBufferCreateFilename(filename, ret->handler,
+ compression);
+ if (ret->buf == NULL) {
+ xmlFreeSaveCtxt(ret);
+ return(NULL);
+ }
+ return(ret);
+}
+
+/**
+ * xmlSaveToBuffer:
+ * @buffer: a buffer
+ * @encoding: the encoding name to use or NULL
+ * @options: a set of xmlSaveOptions
+ *
+ * Create a document saving context serializing to a buffer
+ * with the encoding and the options given
+ *
+ * Returns a new serialization context or NULL in case of error.
+ */
+
+xmlSaveCtxtPtr
+xmlSaveToBuffer(xmlBufferPtr buffer, const char *encoding, int options)
+{
+ xmlSaveCtxtPtr ret;
+ xmlOutputBufferPtr out_buff;
+ xmlCharEncodingHandlerPtr handler;
+
+ ret = xmlNewSaveCtxt(encoding, options);
+ if (ret == NULL) return(NULL);
+
+ if (encoding != NULL) {
+ handler = xmlFindCharEncodingHandler(encoding);
+ if (handler == NULL) {
+ xmlFree(ret);
+ return(NULL);
+ }
+ } else
+ handler = NULL;
+ out_buff = xmlOutputBufferCreateBuffer(buffer, handler);
+ if (out_buff == NULL) {
+ xmlFree(ret);
+ if (handler) xmlCharEncCloseFunc(handler);
+ return(NULL);
+ }
+
+ ret->buf = out_buff;
+ return(ret);
+}
+
+/**
+ * xmlSaveToIO:
+ * @iowrite: an I/O write function
+ * @ioclose: an I/O close function
+ * @ioctx: an I/O handler
+ * @encoding: the encoding name to use or NULL
+ * @options: a set of xmlSaveOptions
+ *
+ * Create a document saving context serializing to a file descriptor
+ * with the encoding and the options given
+ *
+ * Returns a new serialization context or NULL in case of error.
+ */
+xmlSaveCtxtPtr
+xmlSaveToIO(xmlOutputWriteCallback iowrite,
+ xmlOutputCloseCallback ioclose,
+ void *ioctx, const char *encoding, int options)
+{
+ xmlSaveCtxtPtr ret;
+
+ ret = xmlNewSaveCtxt(encoding, options);
+ if (ret == NULL) return(NULL);
+ ret->buf = xmlOutputBufferCreateIO(iowrite, ioclose, ioctx, ret->handler);
+ if (ret->buf == NULL) {
+ xmlFreeSaveCtxt(ret);
+ return(NULL);
+ }
+ return(ret);
+}
+
+/**
+ * xmlSaveDoc:
+ * @ctxt: a document saving context
+ * @doc: a document
+ *
+ * Save a full document to a saving context
+ * TODO: The function is not fully implemented yet as it does not return the
+ * byte count but 0 instead
+ *
+ * Returns the number of byte written or -1 in case of error
+ */
+long
+xmlSaveDoc(xmlSaveCtxtPtr ctxt, xmlDocPtr doc)
+{
+ long ret = 0;
+
+ if ((ctxt == NULL) || (doc == NULL)) return(-1);
+ if (xmlDocContentDumpOutput(ctxt, doc) < 0)
+ return(-1);
+ return(ret);
+}
+
+/**
+ * xmlSaveTree:
+ * @ctxt: a document saving context
+ * @node: the top node of the subtree to save
+ *
+ * Save a subtree starting at the node parameter to a saving context
+ * TODO: The function is not fully implemented yet as it does not return the
+ * byte count but 0 instead
+ *
+ * Returns the number of byte written or -1 in case of error
+ */
+long
+xmlSaveTree(xmlSaveCtxtPtr ctxt, xmlNodePtr node)
+{
+ long ret = 0;
+
+ if ((ctxt == NULL) || (node == NULL)) return(-1);
+ xmlNodeDumpOutputInternal(ctxt, node);
+ return(ret);
+}
+
+/**
+ * xmlSaveFlush:
+ * @ctxt: a document saving context
+ *
+ * Flush a document saving context, i.e. make sure that all bytes have
+ * been output.
+ *
+ * Returns the number of byte written or -1 in case of error.
+ */
+int
+xmlSaveFlush(xmlSaveCtxtPtr ctxt)
+{
+ if (ctxt == NULL) return(-1);
+ if (ctxt->buf == NULL) return(-1);
+ return(xmlOutputBufferFlush(ctxt->buf));
+}
+
+/**
+ * xmlSaveClose:
+ * @ctxt: a document saving context
+ *
+ * Close a document saving context, i.e. make sure that all bytes have
+ * been output and free the associated data.
+ *
+ * Returns the number of byte written or -1 in case of error.
+ */
+int
+xmlSaveClose(xmlSaveCtxtPtr ctxt)
+{
+ int ret;
+
+ if (ctxt == NULL) return(-1);
+ ret = xmlSaveFlush(ctxt);
+ xmlFreeSaveCtxt(ctxt);
+ return(ret);
+}
+
+/**
+ * xmlSaveSetEscape:
+ * @ctxt: a document saving context
+ * @escape: the escaping function
+ *
+ * Set a custom escaping function to be used for text in element content
+ *
+ * Returns 0 if successful or -1 in case of error.
+ */
+int
+xmlSaveSetEscape(xmlSaveCtxtPtr ctxt, xmlCharEncodingOutputFunc escape)
+{
+ if (ctxt == NULL) return(-1);
+ ctxt->escape = escape;
+ return(0);
+}
+
+/**
+ * xmlSaveSetAttrEscape:
+ * @ctxt: a document saving context
+ * @escape: the escaping function
+ *
+ * Set a custom escaping function to be used for text in attribute content
+ *
+ * Returns 0 if successful or -1 in case of error.
+ */
+int
+xmlSaveSetAttrEscape(xmlSaveCtxtPtr ctxt, xmlCharEncodingOutputFunc escape)
+{
+ if (ctxt == NULL) return(-1);
+ ctxt->escapeAttr = escape;
+ return(0);
+}
+
+/************************************************************************
+ * *
+ * Public entry points based on buffers *
+ * *
+ ************************************************************************/
+/**
+ * xmlAttrSerializeTxtContent:
+ * @buf: the XML buffer output
+ * @doc: the document
+ * @attr: the attribute node
+ * @string: the text content
+ *
+ * Serialize text attribute values to an xml simple buffer
+ */
+void
+xmlAttrSerializeTxtContent(xmlBufferPtr buf, xmlDocPtr doc,
+ xmlAttrPtr attr, const xmlChar * string)
+{
+ xmlChar *base, *cur;
+
+ if (string == NULL)
+ return;
+ base = cur = (xmlChar *) string;
+ while (*cur != 0) {
+ if (*cur == '\n') {
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ xmlBufferAdd(buf, BAD_CAST "&#10;", 5);
+ cur++;
+ base = cur;
+ } else if (*cur == '\r') {
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ xmlBufferAdd(buf, BAD_CAST "&#13;", 5);
+ cur++;
+ base = cur;
+ } else if (*cur == '\t') {
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ xmlBufferAdd(buf, BAD_CAST "&#9;", 4);
+ cur++;
+ base = cur;
+ } else if (*cur == '"') {
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ xmlBufferAdd(buf, BAD_CAST "&quot;", 6);
+ cur++;
+ base = cur;
+ } else if (*cur == '<') {
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ xmlBufferAdd(buf, BAD_CAST "&lt;", 4);
+ cur++;
+ base = cur;
+ } else if (*cur == '>') {
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ xmlBufferAdd(buf, BAD_CAST "&gt;", 4);
+ cur++;
+ base = cur;
+ } else if (*cur == '&') {
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ xmlBufferAdd(buf, BAD_CAST "&amp;", 5);
+ cur++;
+ base = cur;
+ } else if ((*cur >= 0x80) && ((doc == NULL) ||
+ (doc->encoding == NULL))) {
+ /*
+ * We assume we have UTF-8 content.
+ */
+ unsigned char tmp[10];
+ int val = 0, l = 1;
+
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+ if (*cur < 0xC0) {
+ xmlSaveErr(XML_SAVE_NOT_UTF8, (xmlNodePtr) attr, NULL);
+ if (doc != NULL)
+ doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
+ xmlSerializeHexCharRef(tmp, *cur);
+ xmlBufferAdd(buf, (xmlChar *) tmp, -1);
+ cur++;
+ base = cur;
+ continue;
+ } else if (*cur < 0xE0) {
+ val = (cur[0]) & 0x1F;
+ val <<= 6;
+ val |= (cur[1]) & 0x3F;
+ l = 2;
+ } else if (*cur < 0xF0) {
+ val = (cur[0]) & 0x0F;
+ val <<= 6;
+ val |= (cur[1]) & 0x3F;
+ val <<= 6;
+ val |= (cur[2]) & 0x3F;
+ l = 3;
+ } else if (*cur < 0xF8) {
+ val = (cur[0]) & 0x07;
+ val <<= 6;
+ val |= (cur[1]) & 0x3F;
+ val <<= 6;
+ val |= (cur[2]) & 0x3F;
+ val <<= 6;
+ val |= (cur[3]) & 0x3F;
+ l = 4;
+ }
+ if ((l == 1) || (!IS_CHAR(val))) {
+ xmlSaveErr(XML_SAVE_CHAR_INVALID, (xmlNodePtr) attr, NULL);
+ if (doc != NULL)
+ doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
+
+ xmlSerializeHexCharRef(tmp, *cur);
+ xmlBufferAdd(buf, (xmlChar *) tmp, -1);
+ cur++;
+ base = cur;
+ continue;
+ }
+ /*
+ * We could do multiple things here. Just save
+ * as a char ref
+ */
+ xmlSerializeHexCharRef(tmp, val);
+ xmlBufferAdd(buf, (xmlChar *) tmp, -1);
+ cur += l;
+ base = cur;
+ } else {
+ cur++;
+ }
+ }
+ if (base != cur)
+ xmlBufferAdd(buf, base, cur - base);
+}
+
+/**
+ * xmlNodeDump:
+ * @buf: the XML buffer output
+ * @doc: the document
+ * @cur: the current node
+ * @level: the imbrication level for indenting
+ * @format: is formatting allowed
+ *
+ * Dump an XML node, recursive behaviour,children are printed too.
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ *
+ * Returns the number of bytes written to the buffer or -1 in case of error
+ */
+int
+xmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level,
+ int format)
+{
+ unsigned int use;
+ int ret;
+ xmlOutputBufferPtr outbuf;
+
+ xmlInitParser();
+
+ if (cur == NULL) {
+#ifdef DEBUG_TREE
+ xmlGenericError(xmlGenericErrorContext,
+ "xmlNodeDump : node == NULL\n");
+#endif
+ return (-1);
+ }
+ if (buf == NULL) {
+#ifdef DEBUG_TREE
+ xmlGenericError(xmlGenericErrorContext,
+ "xmlNodeDump : buf == NULL\n");
+#endif
+ return (-1);
+ }
+ outbuf = (xmlOutputBufferPtr) xmlMalloc(sizeof(xmlOutputBuffer));
+ if (outbuf == NULL) {
+ xmlSaveErrMemory("creating buffer");
+ return (-1);
+ }
+ memset(outbuf, 0, (size_t) sizeof(xmlOutputBuffer));
+ outbuf->buffer = buf;
+ outbuf->encoder = NULL;
+ outbuf->writecallback = NULL;
+ outbuf->closecallback = NULL;
+ outbuf->context = NULL;
+ outbuf->written = 0;
+
+ use = buf->use;
+ xmlNodeDumpOutput(outbuf, doc, cur, level, format, NULL);
+ xmlFree(outbuf);
+ ret = buf->use - use;
+ return (ret);
+}
+
+/**
+ * xmlElemDump:
+ * @f: the FILE * for the output
+ * @doc: the document
+ * @cur: the current node
+ *
+ * Dump an XML/HTML node, recursive behaviour, children are printed too.
+ */
+void
+xmlElemDump(FILE * f, xmlDocPtr doc, xmlNodePtr cur)
+{
+ xmlOutputBufferPtr outbuf;
+
+ xmlInitParser();
+
+ if (cur == NULL) {
+#ifdef DEBUG_TREE
+ xmlGenericError(xmlGenericErrorContext,
+ "xmlElemDump : cur == NULL\n");
+#endif
+ return;
+ }
+#ifdef DEBUG_TREE
+ if (doc == NULL) {
+ xmlGenericError(xmlGenericErrorContext,
+ "xmlElemDump : doc == NULL\n");
+ }
+#endif
+
+ outbuf = xmlOutputBufferCreateFile(f, NULL);
+ if (outbuf == NULL)
+ return;
+ if ((doc != NULL) && (doc->type == XML_HTML_DOCUMENT_NODE)) {
+#ifdef LIBXML_HTML_ENABLED
+ htmlNodeDumpOutput(outbuf, doc, cur, NULL);
+#else
+ xmlSaveErr(XML_ERR_INTERNAL_ERROR, cur, "HTML support not compiled in\n");
+#endif /* LIBXML_HTML_ENABLED */
+ } else
+ xmlNodeDumpOutput(outbuf, doc, cur, 0, 1, NULL);
+ xmlOutputBufferClose(outbuf);
+}
+
+/************************************************************************
+ * *
+ * Saving functions front-ends *
+ * *
+ ************************************************************************/
+
+/**
+ * xmlNodeDumpOutput:
+ * @buf: the XML buffer output
+ * @doc: the document
+ * @cur: the current node
+ * @level: the imbrication level for indenting
+ * @format: is formatting allowed
+ * @encoding: an optional encoding string
+ *
+ * Dump an XML node, recursive behaviour, children are printed too.
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ */
+void
+xmlNodeDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur,
+ int level, int format, const char *encoding)
+{
+ xmlSaveCtxt ctxt;
+#ifdef LIBXML_HTML_ENABLED
+ xmlDtdPtr dtd;
+ int is_xhtml = 0;
+#endif
+
+ xmlInitParser();
+
+ if ((buf == NULL) || (cur == NULL)) return;
+
+ if (encoding == NULL)
+ encoding = "UTF-8";
+
+ memset(&ctxt, 0, sizeof(ctxt));
+ ctxt.doc = doc;
+ ctxt.buf = buf;
+ ctxt.level = level;
+ ctxt.format = format;
+ ctxt.encoding = (const xmlChar *) encoding;
+ xmlSaveCtxtInit(&ctxt);
+ ctxt.options |= XML_SAVE_AS_XML;
+
+#ifdef LIBXML_HTML_ENABLED
+ dtd = xmlGetIntSubset(doc);
+ if (dtd != NULL) {
+ is_xhtml = xmlIsXHTML(dtd->SystemID, dtd->ExternalID);
+ if (is_xhtml < 0)
+ is_xhtml = 0;
+ }
+
+ if (is_xhtml)
+ xhtmlNodeDumpOutput(&ctxt, cur);
+ else
+#endif
+ xmlNodeDumpOutputInternal(&ctxt, cur);
+}
+
+/**
+ * xmlDocDumpFormatMemoryEnc:
+ * @out_doc: Document to generate XML text from
+ * @doc_txt_ptr: Memory pointer for allocated XML text
+ * @doc_txt_len: Length of the generated XML text
+ * @txt_encoding: Character encoding to use when generating XML text
+ * @format: should formatting spaces been added
+ *
+ * Dump the current DOM tree into memory using the character encoding specified
+ * by the caller. Note it is up to the caller of this function to free the
+ * allocated memory with xmlFree().
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ */
+
+void
+xmlDocDumpFormatMemoryEnc(xmlDocPtr out_doc, xmlChar **doc_txt_ptr,
+ int * doc_txt_len, const char * txt_encoding,
+ int format) {
+ xmlSaveCtxt ctxt;
+ int dummy = 0;
+ xmlOutputBufferPtr out_buff = NULL;
+ xmlCharEncodingHandlerPtr conv_hdlr = NULL;
+
+ if (doc_txt_len == NULL) {
+ doc_txt_len = &dummy; /* Continue, caller just won't get length */
+ }
+
+ if (doc_txt_ptr == NULL) {
+ *doc_txt_len = 0;
+ return;
+ }
+
+ *doc_txt_ptr = NULL;
+ *doc_txt_len = 0;
+
+ if (out_doc == NULL) {
+ /* No document, no output */
+ return;
+ }
+
+ /*
+ * Validate the encoding value, if provided.
+ * This logic is copied from xmlSaveFileEnc.
+ */
+
+ if (txt_encoding == NULL)
+ txt_encoding = (const char *) out_doc->encoding;
+ if (txt_encoding != NULL) {
+ conv_hdlr = xmlFindCharEncodingHandler(txt_encoding);
+ if ( conv_hdlr == NULL ) {
+ xmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, (xmlNodePtr) out_doc,
+ txt_encoding);
+ return;
+ }
+ }
+
+ if ((out_buff = xmlAllocOutputBuffer(conv_hdlr)) == NULL ) {
+ xmlSaveErrMemory("creating buffer");
+ return;
+ }
+
+ memset(&ctxt, 0, sizeof(ctxt));
+ ctxt.doc = out_doc;
+ ctxt.buf = out_buff;
+ ctxt.level = 0;
+ ctxt.format = format;
+ ctxt.encoding = (const xmlChar *) txt_encoding;
+ xmlSaveCtxtInit(&ctxt);
+ ctxt.options |= XML_SAVE_AS_XML;
+ xmlDocContentDumpOutput(&ctxt, out_doc);
+ xmlOutputBufferFlush(out_buff);
+ if (out_buff->conv != NULL) {
+ *doc_txt_len = out_buff->conv->use;
+ *doc_txt_ptr = xmlStrndup(out_buff->conv->content, *doc_txt_len);
+ } else {
+ *doc_txt_len = out_buff->buffer->use;
+ *doc_txt_ptr = xmlStrndup(out_buff->buffer->content, *doc_txt_len);
+ }
+ (void)xmlOutputBufferClose(out_buff);
+
+ if ((*doc_txt_ptr == NULL) && (*doc_txt_len > 0)) {
+ *doc_txt_len = 0;
+ xmlSaveErrMemory("creating output");
+ }
+
+ return;
+}
+
+/**
+ * xmlDocDumpMemory:
+ * @cur: the document
+ * @mem: OUT: the memory pointer
+ * @size: OUT: the memory length
+ *
+ * Dump an XML document in memory and return the #xmlChar * and it's size
+ * in bytes. It's up to the caller to free the memory with xmlFree().
+ * The resulting byte array is zero terminated, though the last 0 is not
+ * included in the returned size.
+ */
+void
+xmlDocDumpMemory(xmlDocPtr cur, xmlChar**mem, int *size) {
+ xmlDocDumpFormatMemoryEnc(cur, mem, size, NULL, 0);
+}
+
+/**
+ * xmlDocDumpFormatMemory:
+ * @cur: the document
+ * @mem: OUT: the memory pointer
+ * @size: OUT: the memory length
+ * @format: should formatting spaces been added
+ *
+ *
+ * Dump an XML document in memory and return the #xmlChar * and it's size.
+ * It's up to the caller to free the memory with xmlFree().
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ */
+void
+xmlDocDumpFormatMemory(xmlDocPtr cur, xmlChar**mem, int *size, int format) {
+ xmlDocDumpFormatMemoryEnc(cur, mem, size, NULL, format);
+}
+
+/**
+ * xmlDocDumpMemoryEnc:
+ * @out_doc: Document to generate XML text from
+ * @doc_txt_ptr: Memory pointer for allocated XML text
+ * @doc_txt_len: Length of the generated XML text
+ * @txt_encoding: Character encoding to use when generating XML text
+ *
+ * Dump the current DOM tree into memory using the character encoding specified
+ * by the caller. Note it is up to the caller of this function to free the
+ * allocated memory with xmlFree().
+ */
+
+void
+xmlDocDumpMemoryEnc(xmlDocPtr out_doc, xmlChar **doc_txt_ptr,
+ int * doc_txt_len, const char * txt_encoding) {
+ xmlDocDumpFormatMemoryEnc(out_doc, doc_txt_ptr, doc_txt_len,
+ txt_encoding, 0);
+}
+
+/**
+ * xmlDocFormatDump:
+ * @f: the FILE*
+ * @cur: the document
+ * @format: should formatting spaces been added
+ *
+ * Dump an XML document to an open FILE.
+ *
+ * returns: the number of bytes written or -1 in case of failure.
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ */
+int
+xmlDocFormatDump(FILE *f, xmlDocPtr cur, int format) {
+ xmlSaveCtxt ctxt;
+ xmlOutputBufferPtr buf;
+ const char * encoding;
+ xmlCharEncodingHandlerPtr handler = NULL;
+ int ret;
+
+ if (cur == NULL) {
+#ifdef DEBUG_TREE
+ xmlGenericError(xmlGenericErrorContext,
+ "xmlDocDump : document == NULL\n");
+#endif
+ return(-1);
+ }
+ encoding = (const char *) cur->encoding;
+
+ if (encoding != NULL) {
+ handler = xmlFindCharEncodingHandler(encoding);
+ if (handler == NULL) {
+ xmlFree((char *) cur->encoding);
+ cur->encoding = NULL;
+ encoding = NULL;
+ }
+ }
+ buf = xmlOutputBufferCreateFile(f, handler);
+ if (buf == NULL) return(-1);
+ memset(&ctxt, 0, sizeof(ctxt));
+ ctxt.doc = cur;
+ ctxt.buf = buf;
+ ctxt.level = 0;
+ ctxt.format = format;
+ ctxt.encoding = (const xmlChar *) encoding;
+ xmlSaveCtxtInit(&ctxt);
+ ctxt.options |= XML_SAVE_AS_XML;
+ xmlDocContentDumpOutput(&ctxt, cur);
+
+ ret = xmlOutputBufferClose(buf);
+ return(ret);
+}
+
+/**
+ * xmlDocDump:
+ * @f: the FILE*
+ * @cur: the document
+ *
+ * Dump an XML document to an open FILE.
+ *
+ * returns: the number of bytes written or -1 in case of failure.
+ */
+int
+xmlDocDump(FILE *f, xmlDocPtr cur) {
+ return(xmlDocFormatDump (f, cur, 0));
+}
+
+/**
+ * xmlSaveFileTo:
+ * @buf: an output I/O buffer
+ * @cur: the document
+ * @encoding: the encoding if any assuming the I/O layer handles the trancoding
+ *
+ * Dump an XML document to an I/O buffer.
+ * Warning ! This call xmlOutputBufferClose() on buf which is not available
+ * after this call.
+ *
+ * returns: the number of bytes written or -1 in case of failure.
+ */
+int
+xmlSaveFileTo(xmlOutputBufferPtr buf, xmlDocPtr cur, const char *encoding) {
+ xmlSaveCtxt ctxt;
+ int ret;
+
+ if (buf == NULL) return(-1);
+ if (cur == NULL) {
+ xmlOutputBufferClose(buf);
+ return(-1);
+ }
+ memset(&ctxt, 0, sizeof(ctxt));
+ ctxt.doc = cur;
+ ctxt.buf = buf;
+ ctxt.level = 0;
+ ctxt.format = 0;
+ ctxt.encoding = (const xmlChar *) encoding;
+ xmlSaveCtxtInit(&ctxt);
+ ctxt.options |= XML_SAVE_AS_XML;
+ xmlDocContentDumpOutput(&ctxt, cur);
+ ret = xmlOutputBufferClose(buf);
+ return(ret);
+}
+
+/**
+ * xmlSaveFormatFileTo:
+ * @buf: an output I/O buffer
+ * @cur: the document
+ * @encoding: the encoding if any assuming the I/O layer handles the trancoding
+ * @format: should formatting spaces been added
+ *
+ * Dump an XML document to an I/O buffer.
+ * Warning ! This call xmlOutputBufferClose() on buf which is not available
+ * after this call.
+ *
+ * returns: the number of bytes written or -1 in case of failure.
+ */
+int
+xmlSaveFormatFileTo(xmlOutputBufferPtr buf, xmlDocPtr cur,
+ const char *encoding, int format)
+{
+ xmlSaveCtxt ctxt;
+ int ret;
+
+ if (buf == NULL) return(-1);
+ if ((cur == NULL) ||
+ ((cur->type != XML_DOCUMENT_NODE) &&
+ (cur->type != XML_HTML_DOCUMENT_NODE))) {
+ xmlOutputBufferClose(buf);
+ return(-1);
+ }
+ memset(&ctxt, 0, sizeof(ctxt));
+ ctxt.doc = cur;
+ ctxt.buf = buf;
+ ctxt.level = 0;
+ ctxt.format = format;
+ ctxt.encoding = (const xmlChar *) encoding;
+ xmlSaveCtxtInit(&ctxt);
+ ctxt.options |= XML_SAVE_AS_XML;
+ xmlDocContentDumpOutput(&ctxt, cur);
+ ret = xmlOutputBufferClose(buf);
+ return (ret);
+}
+
+/**
+ * xmlSaveFormatFileEnc:
+ * @filename: the filename or URL to output
+ * @cur: the document being saved
+ * @encoding: the name of the encoding to use or NULL.
+ * @format: should formatting spaces be added.
+ *
+ * Dump an XML document to a file or an URL.
+ *
+ * Returns the number of bytes written or -1 in case of error.
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ */
+int
+xmlSaveFormatFileEnc( const char * filename, xmlDocPtr cur,
+ const char * encoding, int format ) {
+ xmlSaveCtxt ctxt;
+ xmlOutputBufferPtr buf;
+ xmlCharEncodingHandlerPtr handler = NULL;
+ int ret;
+
+ if (cur == NULL)
+ return(-1);
+
+ if (encoding == NULL)
+ encoding = (const char *) cur->encoding;
+
+ if (encoding != NULL) {
+
+ handler = xmlFindCharEncodingHandler(encoding);
+ if (handler == NULL)
+ return(-1);
+ }
+
+#ifdef HAVE_ZLIB_H
+ if (cur->compression < 0) cur->compression = xmlGetCompressMode();
+#endif
+ /*
+ * save the content to a temp buffer.
+ */
+ buf = xmlOutputBufferCreateFilename(filename, handler, cur->compression);
+ if (buf == NULL) return(-1);
+ memset(&ctxt, 0, sizeof(ctxt));
+ ctxt.doc = cur;
+ ctxt.buf = buf;
+ ctxt.level = 0;
+ ctxt.format = format;
+ ctxt.encoding = (const xmlChar *) encoding;
+ xmlSaveCtxtInit(&ctxt);
+ ctxt.options |= XML_SAVE_AS_XML;
+
+ xmlDocContentDumpOutput(&ctxt, cur);
+
+ ret = xmlOutputBufferClose(buf);
+ return(ret);
+}
+
+
+/**
+ * xmlSaveFileEnc:
+ * @filename: the filename (or URL)
+ * @cur: the document
+ * @encoding: the name of an encoding (or NULL)
+ *
+ * Dump an XML document, converting it to the given encoding
+ *
+ * returns: the number of bytes written or -1 in case of failure.
+ */
+int
+xmlSaveFileEnc(const char *filename, xmlDocPtr cur, const char *encoding) {
+ return ( xmlSaveFormatFileEnc( filename, cur, encoding, 0 ) );
+}
+
+/**
+ * xmlSaveFormatFile:
+ * @filename: the filename (or URL)
+ * @cur: the document
+ * @format: should formatting spaces been added
+ *
+ * Dump an XML document to a file. Will use compression if
+ * compiled in and enabled. If @filename is "-" the stdout file is
+ * used. If @format is set then the document will be indented on output.
+ * Note that @format = 1 provide node indenting only if xmlIndentTreeOutput = 1
+ * or xmlKeepBlanksDefault(0) was called
+ *
+ * returns: the number of bytes written or -1 in case of failure.
+ */
+int
+xmlSaveFormatFile(const char *filename, xmlDocPtr cur, int format) {
+ return ( xmlSaveFormatFileEnc( filename, cur, NULL, format ) );
+}
+
+/**
+ * xmlSaveFile:
+ * @filename: the filename (or URL)
+ * @cur: the document
+ *
+ * Dump an XML document to a file. Will use compression if
+ * compiled in and enabled. If @filename is "-" the stdout file is
+ * used.
+ * returns: the number of bytes written or -1 in case of failure.
+ */
+int
+xmlSaveFile(const char *filename, xmlDocPtr cur) {
+ return(xmlSaveFormatFileEnc(filename, cur, NULL, 0));
+}
+
+#endif /* LIBXML_OUTPUT_ENABLED */
+
+#define bottom_xmlsave
+#include "elfgcchack.h"
generated by cgit v1.1 at 2025-02-02 13:31:03 +0000