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Code

Handle <base href=""> for HTML source rendering

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Requested by witekfl.
This commit is contained in:
Jonas Fonseca 2006-01-25 23:16:30 +01:00 committed by Jonas Fonseca
parent 89a95a5fc5
commit bea1a0c559
1 changed files with 40 additions and 8 deletions
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48
src/document/dom/renderer.c
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@ -25,6 +25,7 @@
#include "dom/configuration.h"
#include "dom/scanner.h"
#include "dom/sgml/parser.h"
#include "dom/sgml/html/html.h"
#include "dom/sgml/rss/rss.h"
#include "dom/node.h"
#include "dom/stack.h"
@ -40,11 +41,14 @@
struct dom_renderer {
enum sgml_document_type doctype;
struct document *document;
struct conv_table *convert_table;
enum convert_string_mode convert_mode;
struct uri *base_uri;
unsigned char *source;
unsigned char *end;
@ -109,6 +113,7 @@ init_dom_renderer(struct dom_renderer *renderer, struct document *document,
renderer->source = buffer->source;
renderer->end = buffer->source + buffer->length;
renderer->position = renderer->source;
renderer->base_uri = get_uri_reference(document->uri);
#ifdef HAVE_REGEX_H
if (renderer->document->options.plain_display_links) {
@ -368,7 +373,7 @@ add_dom_link(struct dom_renderer *renderer, unsigned char *string, int length,
CSM_DEFAULT, NULL, NULL, NULL);
if (!uristring) return NULL;
where = join_urls(document->uri, uristring);
where = join_urls(renderer->base_uri, uristring);
mem_free(uristring);
@ -560,6 +565,27 @@ render_dom_element_end_source(struct dom_stack *stack, struct dom_node *node, vo
return DOM_STACK_CODE_OK;
}
static void
set_base_uri(struct dom_renderer *renderer, unsigned char *value, size_t valuelen)
{
unsigned char *href = memacpy(value, valuelen);
unsigned char *uristring;
struct uri *uri;
if (!href) return;
uristring = join_urls(renderer->base_uri, href);
mem_free(href);
if (!uristring) return;
uri = get_uri(uristring, 0);
mem_free(uristring);
if (!uri) return;
done_uri(renderer->base_uri);
renderer->base_uri = uri;
}
enum dom_stack_code
render_dom_attribute_source(struct dom_stack *stack, struct dom_node *node, void *data)
{
@ -614,6 +640,12 @@ render_dom_attribute_source(struct dom_stack *stack, struct dom_node *node, void
break;
}
if (renderer->doctype == SGML_DOCTYPE_HTML
&& node->data.attribute.type == HTML_ATTRIBUTE_HREF
&& node->parent->data.element.type == HTML_ELEMENT_BASE) {
set_base_uri(renderer, value, valuelen - skips);
}
add_dom_link(renderer, value, valuelen - skips,
value, valuelen - skips);
@ -941,7 +973,6 @@ render_dom_document(struct cache_entry *cached, struct document *document,
struct dom_renderer renderer;
struct conv_table *convert_table;
struct sgml_parser *parser;
enum sgml_document_type doctype;
enum sgml_parser_type parser_type;
unsigned char *string = struri(cached->uri);
size_t length = strlen(string);
@ -965,32 +996,32 @@ render_dom_document(struct cache_entry *cached, struct document *document,
/* FIXME: Refactor the doctype lookup. */
if (!strcasecmp("application/rss+xml", cached->content_type)) {
doctype = SGML_DOCTYPE_RSS;
renderer.doctype = SGML_DOCTYPE_RSS;
} else if (!strcasecmp("application/docbook+xml", cached->content_type)) {
doctype = SGML_DOCTYPE_DOCBOOK;
renderer.doctype = SGML_DOCTYPE_DOCBOOK;
} else if (!strcasecmp("application/xbel+xml", cached->content_type)
|| !strcasecmp("application/x-xbel", cached->content_type)
|| !strcasecmp("application/xbel", cached->content_type)) {
doctype = SGML_DOCTYPE_XBEL;
renderer.doctype = SGML_DOCTYPE_XBEL;
} else {
assertm(!strcasecmp("text/html", cached->content_type)
|| !strcasecmp("application/xhtml+xml", cached->content_type),
"Couldn't resolve doctype '%s'", cached->content_type);
doctype = SGML_DOCTYPE_HTML;
renderer.doctype = SGML_DOCTYPE_HTML;
}
parser = init_sgml_parser(parser_type, doctype, &uri, 0);
parser = init_sgml_parser(parser_type, renderer.doctype, &uri, 0);
if (!parser) return;
if (document->options.plain) {
add_dom_stack_context(&parser->stack, &renderer,
&dom_source_renderer_context_info);
} else if (doctype == SGML_DOCTYPE_RSS) {
} else if (renderer.doctype == SGML_DOCTYPE_RSS) {
add_dom_stack_context(&parser->stack, &renderer,
&dom_rss_renderer_context_info);
add_dom_config_normalizer(&parser->stack, RSS_CONFIG_FLAGS);
@ -1014,5 +1045,6 @@ render_dom_document(struct cache_entry *cached, struct document *document,
if (renderer.find_url)
regfree(&renderer.url_regex);
#endif
done_uri(renderer.base_uri);
done_sgml_parser(parser);
}