diff options
Diffstat (limited to 'bundle/libxml/HTMLtree.c')
| -rw-r--r-- | bundle/libxml/HTMLtree.c | 1099 |
1 files changed, 0 insertions, 1099 deletions
diff --git a/bundle/libxml/HTMLtree.c b/bundle/libxml/HTMLtree.c deleted file mode 100644 index fe69b3dee9..0000000000 --- a/bundle/libxml/HTMLtree.c +++ /dev/null @@ -1,1099 +0,0 @@ -/* - * HTMLtree.c : implementation of access function for an HTML tree. - * - * See Copyright for the status of this software. - * - * daniel@veillard.com - */ - - -#define IN_LIBXML -#include "libxml.h" -#ifdef LIBXML_HTML_ENABLED - -#include <string.h> /* for memset() only ! */ - -#ifdef HAVE_CTYPE_H -#include <ctype.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#include <libxml/xmlmemory.h> -#include <libxml/HTMLparser.h> -#include <libxml/HTMLtree.h> -#include <libxml/entities.h> -#include <libxml/valid.h> -#include <libxml/xmlerror.h> -#include <libxml/parserInternals.h> -#include <libxml/globals.h> -#include <libxml/uri.h> - -/************************************************************************ - * * - * Getting/Setting encoding meta tags * - * * - ************************************************************************/ - -/** - * htmlGetMetaEncoding: - * @doc: the document - * - * Encoding definition lookup in the Meta tags - * - * Returns the current encoding as flagged in the HTML source - */ -const xmlChar * -htmlGetMetaEncoding(htmlDocPtr doc) { - htmlNodePtr cur; - const xmlChar *content; - const xmlChar *encoding; - - if (doc == NULL) - return(NULL); - cur = doc->children; - - /* - * Search the html - */ - while (cur != NULL) { - if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { - if (xmlStrEqual(cur->name, BAD_CAST"html")) - break; - if (xmlStrEqual(cur->name, BAD_CAST"head")) - goto found_head; - if (xmlStrEqual(cur->name, BAD_CAST"meta")) - goto found_meta; - } - cur = cur->next; - } - if (cur == NULL) - return(NULL); - cur = cur->children; - - /* - * Search the head - */ - while (cur != NULL) { - if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { - if (xmlStrEqual(cur->name, BAD_CAST"head")) - break; - if (xmlStrEqual(cur->name, BAD_CAST"meta")) - goto found_meta; - } - cur = cur->next; - } - if (cur == NULL) - return(NULL); -found_head: - cur = cur->children; - - /* - * Search the meta elements - */ -found_meta: - while (cur != NULL) { - if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { - if (xmlStrEqual(cur->name, BAD_CAST"meta")) { - xmlAttrPtr attr = cur->properties; - int http; - const xmlChar *value; - - content = NULL; - http = 0; - while (attr != NULL) { - if ((attr->children != NULL) && - (attr->children->type == XML_TEXT_NODE) && - (attr->children->next == NULL)) { - value = attr->children->content; - if ((!xmlStrcasecmp(attr->name, BAD_CAST"http-equiv")) - && (!xmlStrcasecmp(value, BAD_CAST"Content-Type"))) - http = 1; - else if ((value != NULL) - && (!xmlStrcasecmp(attr->name, BAD_CAST"content"))) - content = value; - if ((http != 0) && (content != NULL)) - goto found_content; - } - attr = attr->next; - } - } - } - cur = cur->next; - } - return(NULL); - -found_content: - encoding = xmlStrstr(content, BAD_CAST"charset="); - if (encoding == NULL) - encoding = xmlStrstr(content, BAD_CAST"Charset="); - if (encoding == NULL) - encoding = xmlStrstr(content, BAD_CAST"CHARSET="); - if (encoding != NULL) { - encoding += 8; - } else { - encoding = xmlStrstr(content, BAD_CAST"charset ="); - if (encoding == NULL) - encoding = xmlStrstr(content, BAD_CAST"Charset ="); - if (encoding == NULL) - encoding = xmlStrstr(content, BAD_CAST"CHARSET ="); - if (encoding != NULL) - encoding += 9; - } - if (encoding != NULL) { - while ((*encoding == ' ') || (*encoding == '\t')) encoding++; - } - return(encoding); -} - -/** - * htmlSetMetaEncoding: - * @doc: the document - * @encoding: the encoding string - * - * Sets the current encoding in the Meta tags - * NOTE: this will not change the document content encoding, just - * the META flag associated. - * - * Returns 0 in case of success and -1 in case of error - */ -int -htmlSetMetaEncoding(htmlDocPtr doc, const xmlChar *encoding) { - htmlNodePtr cur, meta; - const xmlChar *content; - char newcontent[100]; - - - if (doc == NULL) - return(-1); - - if (encoding != NULL) { - snprintf(newcontent, sizeof(newcontent), "text/html; charset=%s", - encoding); - newcontent[sizeof(newcontent) - 1] = 0; - } - - cur = doc->children; - - /* - * Search the html - */ - while (cur != NULL) { - if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { - if (xmlStrcasecmp(cur->name, BAD_CAST"html") == 0) - break; - if (xmlStrcasecmp(cur->name, BAD_CAST"head") == 0) - goto found_head; - if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0) - goto found_meta; - } - cur = cur->next; - } - if (cur == NULL) - return(-1); - cur = cur->children; - - /* - * Search the head - */ - while (cur != NULL) { - if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { - if (xmlStrcasecmp(cur->name, BAD_CAST"head") == 0) - break; - if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0) - goto found_meta; - } - cur = cur->next; - } - if (cur == NULL) - return(-1); -found_head: - if (cur->children == NULL) { - if (encoding == NULL) - return(0); - meta = xmlNewDocNode(doc, NULL, BAD_CAST"meta", NULL); - xmlAddChild(cur, meta); - xmlNewProp(meta, BAD_CAST"http-equiv", BAD_CAST"Content-Type"); - xmlNewProp(meta, BAD_CAST"content", BAD_CAST newcontent); - return(0); - } - cur = cur->children; - -found_meta: - if (encoding != NULL) { - /* - * Create a new Meta element with the right attributes - */ - - meta = xmlNewDocNode(doc, NULL, BAD_CAST"meta", NULL); - xmlAddPrevSibling(cur, meta); - xmlNewProp(meta, BAD_CAST"http-equiv", BAD_CAST"Content-Type"); - xmlNewProp(meta, BAD_CAST"content", BAD_CAST newcontent); - } - - /* - * Search and destroy all the remaining the meta elements carrying - * encoding informations - */ - while (cur != NULL) { - if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) { - if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0) { - xmlAttrPtr attr = cur->properties; - int http; - const xmlChar *value; - - content = NULL; - http = 0; - while (attr != NULL) { - if ((attr->children != NULL) && - (attr->children->type == XML_TEXT_NODE) && - (attr->children->next == NULL)) { - value = attr->children->content; - if ((!xmlStrcasecmp(attr->name, BAD_CAST"http-equiv")) - && (!xmlStrcasecmp(value, BAD_CAST"Content-Type"))) - http = 1; - else - { - if ((value != NULL) && - (!xmlStrcasecmp(attr->name, BAD_CAST"content"))) - content = value; - } - if ((http != 0) && (content != NULL)) - break; - } - attr = attr->next; - } - if ((http != 0) && (content != NULL)) { - meta = cur; - cur = cur->next; - xmlUnlinkNode(meta); - xmlFreeNode(meta); - continue; - } - - } - } - cur = cur->next; - } - return(0); -} - -/** - * booleanHTMLAttrs: - * - * These are the HTML attributes which will be output - * in minimized form, i.e. <option selected="selected"> will be - * output as <option selected>, as per XSLT 1.0 16.2 "HTML Output Method" - * - */ -static const char* htmlBooleanAttrs[] = { - "checked", "compact", "declare", "defer", "disabled", "ismap", - "multiple", "nohref", "noresize", "noshade", "nowrap", "readonly", - "selected", NULL -}; - - -/** - * htmlIsBooleanAttr: - * @name: the name of the attribute to check - * - * Determine if a given attribute is a boolean attribute. - * - * returns: false if the attribute is not boolean, true otherwise. - */ -int -htmlIsBooleanAttr(const xmlChar *name) -{ - int i = 0; - - while (htmlBooleanAttrs[i] != NULL) { - if (xmlStrcasecmp((const xmlChar *)htmlBooleanAttrs[i], name) == 0) - return 1; - i++; - } - return 0; -} - -/************************************************************************ - * * - * Dumping HTML tree content to a simple buffer * - * * - ************************************************************************/ - -static int -htmlNodeDumpFormat(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, - int format); - -/** - * htmlNodeDumpFormat: - * @buf: the HTML buffer output - * @doc: the document - * @cur: the current node - * @format: should formatting spaces been added - * - * Dump an HTML node, recursive behaviour,children are printed too. - * - * Returns the number of byte written or -1 in case of error - */ -static int -htmlNodeDumpFormat(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, - int format) { - unsigned int use; - int ret; - xmlOutputBufferPtr outbuf; - - if (cur == NULL) { - return (-1); - } - if (buf == NULL) { - return (-1); - } - outbuf = (xmlOutputBufferPtr) xmlMalloc(sizeof(xmlOutputBuffer)); - if (outbuf == NULL) { - xmlGenericError(xmlGenericErrorContext, - "htmlNodeDumpFormat: out of memory!\n"); - 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; - htmlNodeDumpFormatOutput(outbuf, doc, cur, NULL, format); - xmlFree(outbuf); - ret = buf->use - use; - return (ret); -} - -/** - * htmlNodeDump: - * @buf: the HTML buffer output - * @doc: the document - * @cur: the current node - * - * Dump an HTML node, recursive behaviour,children are printed too, - * and formatting returns are added. - * - * Returns the number of byte written or -1 in case of error - */ -int -htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur) { - return(htmlNodeDumpFormat(buf, doc, cur, 1)); -} - -/** - * htmlNodeDumpFileFormat: - * @out: the FILE pointer - * @doc: the document - * @cur: the current node - * @encoding: the document encoding - * @format: should formatting spaces been added - * - * Dump an HTML node, recursive behaviour,children are printed too. - * - * TODO: if encoding == NULL try to save in the doc encoding - * - * returns: the number of byte written or -1 in case of failure. - */ -int -htmlNodeDumpFileFormat(FILE *out, xmlDocPtr doc, - xmlNodePtr cur, const char *encoding, int format) { - xmlOutputBufferPtr buf; - xmlCharEncodingHandlerPtr handler = NULL; - int ret; - - if (encoding != NULL) { - xmlCharEncoding enc; - - enc = xmlParseCharEncoding(encoding); - if (enc != XML_CHAR_ENCODING_UTF8) { - handler = xmlFindCharEncodingHandler(encoding); - if (handler == NULL) - return(-1); - } - } - - /* - * Fallback to HTML or ASCII when the encoding is unspecified - */ - if (handler == NULL) - handler = xmlFindCharEncodingHandler("HTML"); - if (handler == NULL) - handler = xmlFindCharEncodingHandler("ascii"); - - /* - * save the content to a temp buffer. - */ - buf = xmlOutputBufferCreateFile(out, handler); - if (buf == NULL) return(0); - - htmlNodeDumpFormatOutput(buf, doc, cur, encoding, format); - - ret = xmlOutputBufferClose(buf); - return(ret); -} - -/** - * htmlNodeDumpFile: - * @out: the FILE pointer - * @doc: the document - * @cur: the current node - * - * Dump an HTML node, recursive behaviour,children are printed too, - * and formatting returns are added. - */ -void -htmlNodeDumpFile(FILE *out, xmlDocPtr doc, xmlNodePtr cur) { - htmlNodeDumpFileFormat(out, doc, cur, NULL, 1); -} - -/** - * htmlDocDumpMemory: - * @cur: the document - * @mem: OUT: the memory pointer - * @size: OUT: the memory length - * - * Dump an HTML document in memory and return the xmlChar * and it's size. - * It's up to the caller to free the memory. - */ -void -htmlDocDumpMemory(xmlDocPtr cur, xmlChar**mem, int *size) { - xmlOutputBufferPtr buf; - xmlCharEncodingHandlerPtr handler = NULL; - const char *encoding; - - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "htmlDocDumpMemory : document == NULL\n"); -#endif - *mem = NULL; - *size = 0; - return; - } - - encoding = (const char *) htmlGetMetaEncoding(cur); - - if (encoding != NULL) { - xmlCharEncoding enc; - - enc = xmlParseCharEncoding(encoding); - if (enc != cur->charset) { - if (cur->charset != XML_CHAR_ENCODING_UTF8) { - /* - * Not supported yet - */ - *mem = NULL; - *size = 0; - return; - } - - handler = xmlFindCharEncodingHandler(encoding); - if (handler == NULL) { - *mem = NULL; - *size = 0; - return; - } - } - } - - /* - * Fallback to HTML or ASCII when the encoding is unspecified - */ - if (handler == NULL) - handler = xmlFindCharEncodingHandler("HTML"); - if (handler == NULL) - handler = xmlFindCharEncodingHandler("ascii"); - - buf = xmlAllocOutputBuffer(handler); - if (buf == NULL) { - *mem = NULL; - *size = 0; - return; - } - - htmlDocContentDumpOutput(buf, cur, NULL); - xmlOutputBufferFlush(buf); - if (buf->conv != NULL) { - *size = buf->conv->use; - *mem = xmlStrndup(buf->conv->content, *size); - } else { - *size = buf->buffer->use; - *mem = xmlStrndup(buf->buffer->content, *size); - } - (void)xmlOutputBufferClose(buf); -} - - -/************************************************************************ - * * - * Dumping HTML tree content to an I/O output buffer * - * * - ************************************************************************/ - - -/** - * htmlDtdDumpOutput: - * @buf: the HTML buffer output - * @doc: the document - * @encoding: the encoding string - * - * TODO: check whether encoding is needed - * - * Dump the HTML document DTD, if any. - */ -static void -htmlDtdDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, - const char *encoding ATTRIBUTE_UNUSED) { - xmlDtdPtr cur = doc->intSubset; - - if (cur == NULL) { - xmlGenericError(xmlGenericErrorContext, - "htmlDtdDumpOutput : no internal subset\n"); - return; - } - xmlOutputBufferWriteString(buf, "<!DOCTYPE "); - xmlOutputBufferWriteString(buf, (const char *)cur->name); - if (cur->ExternalID != NULL) { - xmlOutputBufferWriteString(buf, " PUBLIC "); - xmlBufferWriteQuotedString(buf->buffer, cur->ExternalID); - if (cur->SystemID != NULL) { - xmlOutputBufferWriteString(buf, " "); - xmlBufferWriteQuotedString(buf->buffer, cur->SystemID); - } - } else if (cur->SystemID != NULL) { - xmlOutputBufferWriteString(buf, " SYSTEM "); - xmlBufferWriteQuotedString(buf->buffer, cur->SystemID); - } - xmlOutputBufferWriteString(buf, ">\n"); -} - -/** - * htmlAttrDumpOutput: - * @buf: the HTML buffer output - * @doc: the document - * @cur: the attribute pointer - * @encoding: the encoding string - * - * Dump an HTML attribute - */ -static void -htmlAttrDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur, - const char *encoding ATTRIBUTE_UNUSED) { - xmlChar *value; - - /* - * TODO: The html output method should not escape a & character - * occurring in an attribute value immediately followed by - * a { character (see Section B.7.1 of the HTML 4.0 Recommendation). - */ - - if (cur == NULL) { - xmlGenericError(xmlGenericErrorContext, - "htmlAttrDumpOutput : property == NULL\n"); - return; - } - xmlOutputBufferWriteString(buf, " "); - xmlOutputBufferWriteString(buf, (const char *)cur->name); - if ((cur->children != NULL) && (!htmlIsBooleanAttr(cur->name))) { - value = xmlNodeListGetString(doc, cur->children, 0); - if (value) { - xmlOutputBufferWriteString(buf, "="); - if ((!xmlStrcasecmp(cur->name, BAD_CAST "href")) || - (!xmlStrcasecmp(cur->name, BAD_CAST "src"))) { - xmlChar *escaped; - xmlChar *tmp = value; - - while (IS_BLANK(*tmp)) tmp++; - - escaped = xmlURIEscapeStr(tmp, BAD_CAST"@/:=?;#%&"); - if (escaped != NULL) { - xmlBufferWriteQuotedString(buf->buffer, escaped); - xmlFree(escaped); - } else { - xmlBufferWriteQuotedString(buf->buffer, value); - } - } else { - xmlBufferWriteQuotedString(buf->buffer, value); - } - xmlFree(value); - } else { - xmlOutputBufferWriteString(buf, "=\"\""); - } - } -} - -/** - * htmlAttrListDumpOutput: - * @buf: the HTML buffer output - * @doc: the document - * @cur: the first attribute pointer - * @encoding: the encoding string - * - * Dump a list of HTML attributes - */ -static void -htmlAttrListDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur, const char *encoding) { - if (cur == NULL) { - xmlGenericError(xmlGenericErrorContext, - "htmlAttrListDumpOutput : property == NULL\n"); - return; - } - while (cur != NULL) { - htmlAttrDumpOutput(buf, doc, cur, encoding); - cur = cur->next; - } -} - - - -/** - * htmlNodeListDumpOutput: - * @buf: the HTML buffer output - * @doc: the document - * @cur: the first node - * @encoding: the encoding string - * @format: should formatting spaces been added - * - * Dump an HTML node list, recursive behaviour,children are printed too. - */ -static void -htmlNodeListDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, - xmlNodePtr cur, const char *encoding, int format) { - if (cur == NULL) { - xmlGenericError(xmlGenericErrorContext, - "htmlNodeListDumpOutput : node == NULL\n"); - return; - } - while (cur != NULL) { - htmlNodeDumpFormatOutput(buf, doc, cur, encoding, format); - cur = cur->next; - } -} - -/** - * htmlNodeDumpFormatOutput: - * @buf: the HTML buffer output - * @doc: the document - * @cur: the current node - * @encoding: the encoding string - * @format: should formatting spaces been added - * - * Dump an HTML node, recursive behaviour,children are printed too. - */ -void -htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, - xmlNodePtr cur, const char *encoding, int format) { - const htmlElemDesc * info; - - if (cur == NULL) { - xmlGenericError(xmlGenericErrorContext, - "htmlNodeDumpFormatOutput : node == NULL\n"); - return; - } - /* - * Special cases. - */ - if (cur->type == XML_DTD_NODE) - return; - if (cur->type == XML_HTML_DOCUMENT_NODE) { - htmlDocContentDumpOutput(buf, (xmlDocPtr) cur, encoding); - return; - } - if (cur->type == HTML_TEXT_NODE) { - if (cur->content != NULL) { - if (((cur->name == (const xmlChar *)xmlStringText) || - (cur->name != (const xmlChar *)xmlStringTextNoenc)) && - ((cur->parent == NULL) || - ((xmlStrcasecmp(cur->parent->name, BAD_CAST "script")) && - (xmlStrcasecmp(cur->parent->name, BAD_CAST "style"))))) { - xmlChar *buffer; - - buffer = xmlEncodeEntitiesReentrant(doc, cur->content); - if (buffer != NULL) { - xmlOutputBufferWriteString(buf, (const char *)buffer); - xmlFree(buffer); - } - } else { - xmlOutputBufferWriteString(buf, (const char *)cur->content); - } - } - return; - } - if (cur->type == HTML_COMMENT_NODE) { - if (cur->content != NULL) { - xmlOutputBufferWriteString(buf, "<!--"); - xmlOutputBufferWriteString(buf, (const char *)cur->content); - xmlOutputBufferWriteString(buf, "-->"); - } - return; - } - if (cur->type == HTML_PI_NODE) { - if (cur->name == NULL) - return; - xmlOutputBufferWriteString(buf, "<?"); - xmlOutputBufferWriteString(buf, (const char *)cur->name); - if (cur->content != NULL) { - xmlOutputBufferWriteString(buf, " "); - xmlOutputBufferWriteString(buf, (const char *)cur->content); - } - xmlOutputBufferWriteString(buf, ">"); - return; - } - if (cur->type == HTML_ENTITY_REF_NODE) { - xmlOutputBufferWriteString(buf, "&"); - xmlOutputBufferWriteString(buf, (const char *)cur->name); - xmlOutputBufferWriteString(buf, ";"); - return; - } - if (cur->type == HTML_PRESERVE_NODE) { - if (cur->content != NULL) { - xmlOutputBufferWriteString(buf, (const char *)cur->content); - } - return; - } - - /* - * Get specific HTML info for that node. - */ - info = htmlTagLookup(cur->name); - - xmlOutputBufferWriteString(buf, "<"); - xmlOutputBufferWriteString(buf, (const char *)cur->name); - if (cur->properties != NULL) - htmlAttrListDumpOutput(buf, doc, cur->properties, encoding); - - if ((info != NULL) && (info->empty)) { - xmlOutputBufferWriteString(buf, ">"); - if ((format) && (!info->isinline) && (cur->next != NULL)) { - if ((cur->next->type != HTML_TEXT_NODE) && - (cur->next->type != HTML_ENTITY_REF_NODE) && - (cur->parent != NULL) && - (!xmlStrEqual(cur->parent->name, BAD_CAST "pre"))) - xmlOutputBufferWriteString(buf, "\n"); - } - return; - } - if (((cur->type == XML_ELEMENT_NODE) || (cur->content == NULL)) && - (cur->children == NULL)) { - if ((info != NULL) && (info->saveEndTag != 0) && - (xmlStrcmp(BAD_CAST info->name, BAD_CAST "html")) && - (xmlStrcmp(BAD_CAST info->name, BAD_CAST "body"))) { - xmlOutputBufferWriteString(buf, ">"); - } else { - xmlOutputBufferWriteString(buf, "></"); - xmlOutputBufferWriteString(buf, (const char *)cur->name); - xmlOutputBufferWriteString(buf, ">"); - } - if ((format) && (cur->next != NULL) && - (info != NULL) && (!info->isinline)) { - if ((cur->next->type != HTML_TEXT_NODE) && - (cur->next->type != HTML_ENTITY_REF_NODE) && - (cur->parent != NULL) && - (!xmlStrEqual(cur->parent->name, BAD_CAST "pre"))) - xmlOutputBufferWriteString(buf, "\n"); - } - return; - } - xmlOutputBufferWriteString(buf, ">"); - if ((cur->type != XML_ELEMENT_NODE) && - (cur->content != NULL)) { - /* - * Uses the OutputBuffer property to automatically convert - * invalids to charrefs - */ - - xmlOutputBufferWriteString(buf, (const char *) cur->content); - } - if (cur->children != NULL) { - if ((format) && (info != NULL) && (!info->isinline) && - (cur->children->type != HTML_TEXT_NODE) && - (cur->children->type != HTML_ENTITY_REF_NODE) && - (cur->children != cur->last) && - (!xmlStrEqual(cur->name, BAD_CAST "pre"))) - xmlOutputBufferWriteString(buf, "\n"); - htmlNodeListDumpOutput(buf, doc, cur->children, encoding, format); - if ((format) && (info != NULL) && (!info->isinline) && - (cur->last->type != HTML_TEXT_NODE) && - (cur->last->type != HTML_ENTITY_REF_NODE) && - (cur->children != cur->last) && - (!xmlStrEqual(cur->name, BAD_CAST "pre"))) - xmlOutputBufferWriteString(buf, "\n"); - } - xmlOutputBufferWriteString(buf, "</"); - xmlOutputBufferWriteString(buf, (const char *)cur->name); - xmlOutputBufferWriteString(buf, ">"); - if ((format) && (info != NULL) && (!info->isinline) && - (cur->next != NULL)) { - if ((cur->next->type != HTML_TEXT_NODE) && - (cur->next->type != HTML_ENTITY_REF_NODE) && - (cur->parent != NULL) && - (!xmlStrEqual(cur->parent->name, BAD_CAST "pre"))) - xmlOutputBufferWriteString(buf, "\n"); - } -} - -/** - * htmlNodeDumpOutput: - * @buf: the HTML buffer output - * @doc: the document - * @cur: the current node - * @encoding: the encoding string - * - * Dump an HTML node, recursive behaviour,children are printed too, - * and formatting returns/spaces are added. - */ -void -htmlNodeDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, - xmlNodePtr cur, const char *encoding) { - htmlNodeDumpFormatOutput(buf, doc, cur, encoding, 1); -} - -/** - * htmlDocContentDumpFormatOutput: - * @buf: the HTML buffer output - * @cur: the document - * @encoding: the encoding string - * @format: should formatting spaces been added - * - * Dump an HTML document. - */ -void -htmlDocContentDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr cur, - const char *encoding, int format) { - int type; - - /* - * force to output the stuff as HTML, especially for entities - */ - type = cur->type; - cur->type = XML_HTML_DOCUMENT_NODE; - if (cur->intSubset != NULL) { - htmlDtdDumpOutput(buf, cur, NULL); - } - if (cur->children != NULL) { - htmlNodeListDumpOutput(buf, cur, cur->children, encoding, format); - } - xmlOutputBufferWriteString(buf, "\n"); - cur->type = (xmlElementType) type; -} - -/** - * htmlDocContentDumpOutput: - * @buf: the HTML buffer output - * @cur: the document - * @encoding: the encoding string - * - * Dump an HTML document. Formating return/spaces are added. - */ -void -htmlDocContentDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr cur, - const char *encoding) { - htmlDocContentDumpFormatOutput(buf, cur, encoding, 1); -} - -/************************************************************************ - * * - * Saving functions front-ends * - * * - ************************************************************************/ - -/** - * htmlDocDump: - * @f: the FILE* - * @cur: the document - * - * Dump an HTML document to an open FILE. - * - * returns: the number of byte written or -1 in case of failure. - */ -int -htmlDocDump(FILE *f, xmlDocPtr cur) { - xmlOutputBufferPtr buf; - xmlCharEncodingHandlerPtr handler = NULL; - const char *encoding; - int ret; - - if (cur == NULL) { -#ifdef DEBUG_TREE - xmlGenericError(xmlGenericErrorContext, - "htmlDocDump : document == NULL\n"); -#endif - return(-1); - } - - encoding = (const char *) htmlGetMetaEncoding(cur); - - if (encoding != NULL) { - xmlCharEncoding enc; - - enc = xmlParseCharEncoding(encoding); - if (enc != cur->charset) { - if (cur->charset != XML_CHAR_ENCODING_UTF8) { - /* - * Not supported yet - */ - return(-1); - } - - handler = xmlFindCharEncodingHandler(encoding); - if (handler == NULL) - return(-1); - } - } - - /* - * Fallback to HTML or ASCII when the encoding is unspecified - */ - if (handler == NULL) - handler = xmlFindCharEncodingHandler("HTML"); - if (handler == NULL) - handler = xmlFindCharEncodingHandler("ascii"); - - buf = xmlOutputBufferCreateFile(f, handler); - if (buf == NULL) return(-1); - htmlDocContentDumpOutput(buf, cur, NULL); - - ret = xmlOutputBufferClose(buf); - return(ret); -} - -/** - * htmlSaveFile: - * @filename: the filename (or URL) - * @cur: the document - * - * Dump an HTML document to a file. If @filename is "-" the stdout file is - * used. - * returns: the number of byte written or -1 in case of failure. - */ -int -htmlSaveFile(const char *filename, xmlDocPtr cur) { - xmlOutputBufferPtr buf; - xmlCharEncodingHandlerPtr handler = NULL; - const char *encoding; - int ret; - - encoding = (const char *) htmlGetMetaEncoding(cur); - - if (encoding != NULL) { - xmlCharEncoding enc; - - enc = xmlParseCharEncoding(encoding); - if (enc != cur->charset) { - if (cur->charset != XML_CHAR_ENCODING_UTF8) { - /* - * Not supported yet - */ - return(-1); - } - - handler = xmlFindCharEncodingHandler(encoding); - if (handler == NULL) - return(-1); - } - } - - /* - * Fallback to HTML or ASCII when the encoding is unspecified - */ - if (handler == NULL) - handler = xmlFindCharEncodingHandler("HTML"); - if (handler == NULL) - handler = xmlFindCharEncodingHandler("ascii"); - - /* - * save the content to a temp buffer. - */ - buf = xmlOutputBufferCreateFilename(filename, handler, cur->compression); - if (buf == NULL) return(0); - - htmlDocContentDumpOutput(buf, cur, NULL); - - ret = xmlOutputBufferClose(buf); - return(ret); -} - -/** - * htmlSaveFileFormat: - * @filename: the filename - * @cur: the document - * @format: should formatting spaces been added - * @encoding: the document encoding - * - * Dump an HTML document to a file using a given encoding. - * - * returns: the number of byte written or -1 in case of failure. - */ -int -htmlSaveFileFormat(const char *filename, xmlDocPtr cur, - const char *encoding, int format) { - xmlOutputBufferPtr buf; - xmlCharEncodingHandlerPtr handler = NULL; - int ret; - - if (encoding != NULL) { - xmlCharEncoding enc; - - enc = xmlParseCharEncoding(encoding); - if (enc != cur->charset) { - if (cur->charset != XML_CHAR_ENCODING_UTF8) { - /* - * Not supported yet - */ - return(-1); - } - - handler = xmlFindCharEncodingHandler(encoding); - if (handler == NULL) - return(-1); - htmlSetMetaEncoding(cur, (const xmlChar *) encoding); - } - } else { - htmlSetMetaEncoding(cur, (const xmlChar *) "UTF-8"); - } - - /* - * Fallback to HTML or ASCII when the encoding is unspecified - */ - if (handler == NULL) - handler = xmlFindCharEncodingHandler("HTML"); - if (handler == NULL) - handler = xmlFindCharEncodingHandler("ascii"); - - /* - * save the content to a temp buffer. - */ - buf = xmlOutputBufferCreateFilename(filename, handler, 0); - if (buf == NULL) return(0); - - htmlDocContentDumpFormatOutput(buf, cur, encoding, format); - - ret = xmlOutputBufferClose(buf); - return(ret); -} - -/** - * htmlSaveFileEnc: - * @filename: the filename - * @cur: the document - * @encoding: the document encoding - * - * Dump an HTML document to a file using a given encoding - * and formatting returns/spaces are added. - * - * returns: the number of byte written or -1 in case of failure. - */ -int -htmlSaveFileEnc(const char *filename, xmlDocPtr cur, const char *encoding) { - return(htmlSaveFileFormat(filename, cur, encoding, 1)); -} - - - -#endif /* LIBXML_HTML_ENABLED */ |