forgot to commit HTMLtree yesterday, Daniel.
diff --git a/HTMLtree.c b/HTMLtree.c
new file mode 100644
index 0000000..a8e91da
--- /dev/null
+++ b/HTMLtree.c
@@ -0,0 +1,353 @@
+/*
+ * HTMLtree.c : implemetation of access function for an HTML tree.
+ *
+ * See Copyright for the status of this software.
+ *
+ * Daniel.Veillard@w3.org
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h> /* for memset() only ! */
+
+#include "tree.h"
+#include "entities.h"
+#include "valid.h"
+
+#define HTML_TEXT_NODE XML_TEXT_NODE
+#define HTML_ENTITY_REF_NODE XML_ENTITY_REF_NODE
+#define HTML_COMMENT_NODE XML_COMMENT_NODE
+
+/**
+ * htmlDtdDump:
+ * @buf: the HTML buffer output
+ * @doc: the document
+ *
+ * Dump the HTML document DTD, if any.
+ */
+static void
+htmlDtdDump(xmlBufferPtr buf, xmlDocPtr doc) {
+ xmlDtdPtr cur = doc->intSubset;
+
+ if (cur == NULL) {
+ fprintf(stderr, "htmlDtdDump : no internal subset\n");
+ return;
+ }
+ xmlBufferWriteChar(buf, "<!DOCTYPE ");
+ xmlBufferWriteCHAR(buf, cur->name);
+ if (cur->ExternalID != NULL) {
+ xmlBufferWriteChar(buf, " PUBLIC ");
+ xmlBufferWriteQuotedString(buf, cur->ExternalID);
+ xmlBufferWriteChar(buf, " ");
+ xmlBufferWriteQuotedString(buf, cur->SystemID);
+ } else if (cur->SystemID != NULL) {
+ xmlBufferWriteChar(buf, " SYSTEM ");
+ xmlBufferWriteQuotedString(buf, cur->SystemID);
+ }
+ if ((cur->entities == NULL) && (cur->elements == NULL) &&
+ (cur->attributes == NULL) && (cur->notations == NULL)) {
+ xmlBufferWriteChar(buf, ">\n");
+ return;
+ }
+ xmlBufferWriteChar(buf, " [\n");
+ if (cur->entities != NULL)
+ xmlDumpEntitiesTable(buf, (xmlEntitiesTablePtr) cur->entities);
+ if (cur->notations != NULL)
+ xmlDumpNotationTable(buf, (xmlNotationTablePtr) cur->notations);
+ if (cur->elements != NULL)
+ xmlDumpElementTable(buf, (xmlElementTablePtr) cur->elements);
+ if (cur->attributes != NULL)
+ xmlDumpAttributeTable(buf, (xmlAttributeTablePtr) cur->attributes);
+ xmlBufferWriteChar(buf, "]");
+
+ /* TODO !!! a lot more things to dump ... */
+ xmlBufferWriteChar(buf, ">\n");
+}
+
+/**
+ * htmlAttrDump:
+ * @buf: the HTML buffer output
+ * @doc: the document
+ * @cur: the attribute pointer
+ *
+ * Dump an HTML attribute
+ */
+static void
+htmlAttrDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) {
+ CHAR *value;
+
+ if (cur == NULL) {
+ fprintf(stderr, "htmlAttrDump : property == NULL\n");
+ return;
+ }
+ xmlBufferWriteChar(buf, " ");
+ xmlBufferWriteCHAR(buf, cur->name);
+ value = xmlNodeListGetString(doc, cur->val, 0);
+ if (value) {
+ xmlBufferWriteChar(buf, "=");
+ xmlBufferWriteQuotedString(buf, value);
+ free(value);
+ } else {
+ xmlBufferWriteChar(buf, "=\"\"");
+ }
+}
+
+/**
+ * htmlAttrListDump:
+ * @buf: the HTML buffer output
+ * @doc: the document
+ * @cur: the first attribute pointer
+ *
+ * Dump a list of HTML attributes
+ */
+static void
+htmlAttrListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) {
+ if (cur == NULL) {
+ fprintf(stderr, "htmlAttrListDump : property == NULL\n");
+ return;
+ }
+ while (cur != NULL) {
+ htmlAttrDump(buf, doc, cur);
+ cur = cur->next;
+ }
+}
+
+
+static void
+htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level);
+/**
+ * htmlNodeListDump:
+ * @buf: the HTML buffer output
+ * @doc: the document
+ * @cur: the first node
+ * @level: the imbrication level for indenting
+ *
+ * Dump an HTML node list, recursive behaviour,children are printed too.
+ */
+static void
+htmlNodeListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level) {
+ int i;
+
+ if (cur == NULL) {
+ fprintf(stderr, "htmlNodeListDump : node == NULL\n");
+ return;
+ }
+ while (cur != NULL) {
+ if ((cur->type != HTML_TEXT_NODE) &&
+ (cur->type != HTML_ENTITY_REF_NODE)) {
+ xmlBufferWriteChar(buf, "\n");
+ }
+ htmlNodeDump(buf, doc, cur, level);
+ cur = cur->next;
+ }
+}
+
+/**
+ * htmlNodeDump:
+ * @buf: the HTML buffer output
+ * @doc: the document
+ * @cur: the current node
+ * @level: the imbrication level for indenting
+ *
+ * Dump an HTML node, recursive behaviour,children are printed too.
+ */
+static void
+htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level) {
+ int i;
+
+ if (cur == NULL) {
+ fprintf(stderr, "htmlNodeDump : node == NULL\n");
+ return;
+ }
+ if (cur->type == HTML_TEXT_NODE) {
+ if (cur->content != NULL) {
+ CHAR *buffer;
+
+ buffer = xmlEncodeEntitiesReentrant(doc, cur->content);
+ if (buffer != NULL) {
+ xmlBufferWriteCHAR(buf, buffer);
+ free(buffer);
+ }
+ }
+ return;
+ }
+ if (cur->type == HTML_COMMENT_NODE) {
+ if (cur->content != NULL) {
+ xmlBufferWriteChar(buf, "<!--");
+ xmlBufferWriteCHAR(buf, cur->content);
+ xmlBufferWriteChar(buf, "-->");
+ }
+ return;
+ }
+ if (cur->type == HTML_ENTITY_REF_NODE) {
+ xmlBufferWriteChar(buf, "&");
+ xmlBufferWriteCHAR(buf, cur->name);
+ xmlBufferWriteChar(buf, ";");
+ return;
+ }
+
+ xmlBufferWriteChar(buf, "<");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlBufferWriteCHAR(buf, cur->ns->prefix);
+ xmlBufferWriteChar(buf, ":");
+ }
+
+ xmlBufferWriteCHAR(buf, cur->name);
+ if (cur->nsDef)
+ xmlNsListDump(buf, cur->nsDef);
+ if (cur->properties != NULL)
+ htmlAttrListDump(buf, doc, cur->properties);
+
+ if ((cur->content == NULL) && (cur->childs == NULL)) {
+ xmlBufferWriteChar(buf, "/>\n");
+ return;
+ }
+ xmlBufferWriteChar(buf, ">");
+ if (cur->content != NULL) {
+ CHAR *buffer;
+
+ buffer = xmlEncodeEntitiesReentrant(doc, cur->content);
+ if (buffer != NULL) {
+ xmlBufferWriteCHAR(buf, buffer);
+ free(buffer);
+ }
+ }
+ if (cur->childs != NULL) {
+ htmlNodeListDump(buf, doc, cur->childs, level + 1);
+ }
+ xmlBufferWriteChar(buf, "</");
+ if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
+ xmlBufferWriteCHAR(buf, cur->ns->prefix);
+ xmlBufferWriteChar(buf, ":");
+ }
+
+ xmlBufferWriteCHAR(buf, cur->name);
+ xmlBufferWriteChar(buf, ">\n");
+}
+
+/**
+ * htmlDocContentDump:
+ * @buf: the HTML buffer output
+ * @cur: the document
+ *
+ * Dump an HTML document.
+ */
+static void
+htmlDocContentDump(xmlBufferPtr buf, xmlDocPtr cur) {
+ xmlBufferWriteChar(buf, "<?xml version=");
+ if (cur->version != NULL)
+ xmlBufferWriteQuotedString(buf, cur->version);
+ else
+ xmlBufferWriteChar(buf, "\"1.0\"");
+ if (cur->encoding != NULL) {
+ xmlBufferWriteChar(buf, " encoding=");
+ xmlBufferWriteQuotedString(buf, cur->encoding);
+ }
+ switch (cur->standalone) {
+ case 0:
+ xmlBufferWriteChar(buf, " standalone=\"no\"");
+ break;
+ case 1:
+ xmlBufferWriteChar(buf, " standalone=\"yes\"");
+ break;
+ }
+ xmlBufferWriteChar(buf, "?>\n");
+ if (cur->intSubset != NULL)
+ htmlDtdDump(buf, cur);
+ if (cur->root != NULL) {
+ htmlNodeDump(buf, cur, cur->root, 0);
+ }
+}
+
+/**
+ * htmlDocDumpMemory:
+ * @cur: the document
+ * @mem: OUT: the memory pointer
+ * @size: OUT: the memory lenght
+ *
+ * Dump an HTML document in memory and return the CHAR * and it's size.
+ * It's up to the caller to free the memory.
+ */
+void
+htmlDocDumpMemory(xmlDocPtr cur, CHAR**mem, int *size) {
+ xmlBufferPtr buf;
+
+ if (cur == NULL) {
+#ifdef DEBUG_TREE
+ fprintf(stderr, "xmlDocDumpMemory : document == NULL\n");
+#endif
+ *mem = NULL;
+ *size = 0;
+ return;
+ }
+ buf = xmlBufferCreate();
+ if (buf == NULL) {
+ *mem = NULL;
+ *size = 0;
+ return;
+ }
+ htmlDocContentDump(buf, cur);
+ *mem = buf->content;
+ *size = buf->use;
+ memset(buf, -1, sizeof(xmlBuffer));
+ free(buf);
+}
+
+
+/**
+ * htmlDocDump:
+ * @f: the FILE*
+ * @cur: the document
+ *
+ * Dump an HTML document to an open FILE.
+ */
+void
+htmlDocDump(FILE *f, xmlDocPtr cur) {
+ xmlBufferPtr buf;
+
+ if (cur == NULL) {
+#ifdef DEBUG_TREE
+ fprintf(stderr, "xmlDocDump : document == NULL\n");
+#endif
+ return;
+ }
+ buf = xmlBufferCreate();
+ if (buf == NULL) return;
+ htmlDocContentDump(buf, cur);
+ xmlBufferDump(f, buf);
+ xmlBufferFree(buf);
+}
+
+/**
+ * htmlSaveFile:
+ * @filename: the filename
+ * @cur: the document
+ *
+ * Dump an HTML document to a file.
+ *
+ * returns: the number of byte written or -1 in case of failure.
+ */
+int
+htmlSaveFile(const char *filename, xmlDocPtr cur) {
+ xmlBufferPtr buf;
+ FILE *output = NULL;
+ int ret;
+
+ /*
+ * save the content to a temp buffer.
+ */
+ buf = xmlBufferCreate();
+ if (buf == NULL) return(0);
+ htmlDocContentDump(buf, cur);
+
+ output = fopen(filename, "w");
+ if (output == NULL) return(-1);
+ ret = xmlBufferDump(output, buf);
+ fclose(output);
+
+ xmlBufferFree(buf);
+ return(ret * sizeof(CHAR));
+}
+