From b2242ae0f01b9fa4d791c3c74ce2a6383c6d27b1 Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Wed, 24 Mar 2004 20:10:03 +0000
Subject: [project @ 2004-03-24 20:10:03 by jmb] Remove need for XML parse tree
 to be kept in memory. The source document is now reparsed when saving
 complete.

svn path=/import/netsurf/; revision=662
---
 render/html.c          |  8 ++------
 render/html.h          |  1 -
 riscos/save_complete.c | 18 ++++++++++--------
 3 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/render/html.c b/render/html.c
index 7e3fb834c..e028e523d 100644
--- a/render/html.c
+++ b/render/html.c
@@ -69,7 +69,6 @@ void html_create(struct content *c, const char *params[])
 	}
 
 	html->parser = htmlCreatePushParserCtxt(0, 0, "", 0, 0, html->encoding);
-	html->document = 0;
 	html->base_url = xstrdup(c->url);
 	html->layout = 0;
 	html->background_colour = TRANSPARENT;
@@ -140,7 +139,7 @@ int html_convert(struct content *c, unsigned int width, unsigned int height)
 
 	/* finish parsing */
 	htmlParseChunk(c->data.html.parser, "", 0, 1);
-	document = c->data.html.document = c->data.html.parser->myDoc;
+	document = c->data.html.parser->myDoc;
 	/*xmlDebugDumpDocument(stderr, c->data.html.parser->myDoc);*/
 	htmlFreeParserCtxt(c->data.html.parser);
 	c->data.html.parser = 0;
@@ -182,7 +181,7 @@ int html_convert(struct content *c, unsigned int width, unsigned int height)
 	/*box_dump(c->data.html.layout->children, 0);*/
 
 	/* XML tree not required past this point */
-	//xmlFreeDoc(document);
+	xmlFreeDoc(document);
 
 	/* layout the box tree */
 	sprintf(c->status_message, messages_get("Formatting"));
@@ -756,9 +755,6 @@ void html_destroy(struct content *c)
 	if (c->data.html.parser)
 		htmlFreeParserCtxt(c->data.html.parser);
 
-	if (c->data.html.document)
-	        xmlFreeDoc(c->data.html.document);
-
 	free(c->data.html.base_url);
 
 	if (c->data.html.layout)
diff --git a/render/html.h b/render/html.h
index 673e57317..d029a7554 100644
--- a/render/html.h
+++ b/render/html.h
@@ -36,7 +36,6 @@ struct box_position {
 /** Data specific to CONTENT_HTML. */
 struct content_html_data {
 	htmlParserCtxt *parser;  /**< HTML parser context. */
-	xmlDoc *document; /**< the XML document tree */
 
 	xmlCharEncoding encoding;  /**< Encoding of source. */
 	bool getenc; /**< Need to get the encoding from the document, as server is broken. */
diff --git a/riscos/save_complete.c b/riscos/save_complete.c
index 0738f2240..d63ceedf0 100644
--- a/riscos/save_complete.c
+++ b/riscos/save_complete.c
@@ -58,7 +58,7 @@ void save_complete(struct content *c) {
 	unsigned int i;
 	struct url_entry urls = {0, 0, 0, 0}; /* sentinel at head */
 	struct url_entry *object;
-	xmlDoc *toSave;
+	htmlParserCtxtPtr toSave;
 
 	if (c->type != CONTENT_HTML)
 		return;
@@ -136,26 +136,28 @@ void save_complete(struct content *c) {
 	}
 
 	/* make a copy of the document tree */
-	toSave = xmlCopyDoc(c->data.html.document, 1);
-
-	if (!toSave) {
+	toSave = htmlCreateMemoryParserCtxt(c->source_data, c->source_size);
+	if (htmlParseDocument(toSave) == -1) {
+	        htmlFreeParserCtxt(toSave);
 	        xfree(spath);
 	        return;
 	}
 
 	/* rewrite all urls we know about */
-       	if (rewrite_document_urls(toSave, &urls, fname) == 0) {
+       	if (rewrite_document_urls(toSave->myDoc, &urls, fname) == 0) {
        	        xfree(spath);
-       	        xmlFreeDoc(toSave);
+       	        xmlFreeDoc(toSave->myDoc);
+       	        htmlFreeParserCtxt(toSave);
        	        return;
        	}
 
 	/* save the html file out last of all */
 	sprintf(spath, "%s%s", SAVE_PATH, fname);
-	htmlSaveFile(spath, toSave);
+	htmlSaveFile(spath, toSave->myDoc);
 	xosfile_set_type(spath, 0xfaf);
 
-        xmlFreeDoc(toSave);
+        xmlFreeDoc(toSave->myDoc);
+        htmlFreeParserCtxt(toSave);
 	xfree(spath);
 	//xfree(fname);
 }
-- 
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