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elinks/src/document/renderer.c

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Doxygenate src/document/ (but not subdirs)
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/** HTML renderer
* @file */
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "elinks.h"
#include "cache/cache.h"
#include "config/options.h"
#include "document/document.h"
#include "document/dom/renderer.h"
#include "document/html/frames.h"
#include "document/html/renderer.h"
#include "document/plain/renderer.h"
#include "document/renderer.h"
#include "document/view.h"
#include "ecmascript/ecmascript.h"
#include "encoding/encoding.h"
#include "intl/charsets.h"
#include "main/main.h"
#include "main/object.h"
#include "protocol/header.h"
#include "protocol/protocol.h"
#include "protocol/uri.h"
#include "session/location.h"
#include "session/session.h"
#include "terminal/terminal.h"
#include "terminal/window.h"
#include "util/error.h"
#include "util/memory.h"
#include "util/string.h"
#include "viewer/text/view.h"
#include "viewer/text/vs.h"
#ifdef CONFIG_ECMASCRIPT
Doxygenate src/document/ (but not subdirs)
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/** @todo XXX: This function is de facto obsolete, since we do not need to copy
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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* snippets around anymore (we process them in one go after the document is
* loaded; gradual processing was practically impossible because the snippets
* could reorder randomly during the loading - consider i.e.
Doxygenate src/document/ (but not subdirs)
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* @<body onLoad>@<script>@</body>: first just @<body> is loaded, but then the
* rest of the document is loaded and @<script> gets before @<body>; do not even
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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* imagine the trouble with rewritten (through scripting hooks) documents;
* besides, implementing document.write() will be much simpler).
* But I want to take no risk by reworking that now. --pasky */
static void
add_snippets(struct ecmascript_interpreter *interpreter,
Declare element types of lists.
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LIST_OF(struct string_list_item) *doc_snippets,
LIST_OF(struct string_list_item) *queued_snippets)
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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{
struct string_list_item *doc_current = doc_snippets->next;
#ifdef CONFIG_LEDS
if (list_empty(*queued_snippets) && interpreter->vs->doc_view->session)
unset_led_value(interpreter->vs->doc_view->session->status.ecmascript_led);
#endif
if (list_empty(*doc_snippets) || !get_opt_bool("ecmascript.enable"))
return;
/* We do this all only once per view_state now. */
if (!list_empty(*queued_snippets)) {
/* So if we already did it, we shouldn't need to do it again.
* This is the case of moving around in history - we have all
* what happenned recorded in the view_state and needn't bother
* again. */
#ifdef CONFIG_DEBUG
/* Hopefully. */
struct string_list_item *iterator = queued_snippets->next;
while (iterator != (struct string_list_item *) queued_snippets) {
if (doc_current == (struct string_list_item *) doc_snippets) {
INTERNAL("add_snippets(): doc_snippets shorter than queued_snippets!");
return;
}
#if 0
DBG("Comparing snippets\n%.*s\n###### vs #####\n%.*s\n #####",
iterator->string.length, iterator->string.source,
doc_current->string.length, doc_current->string.source);
#endif
assert(!strlcmp(iterator->string.source,
iterator->string.length,
doc_current->string.source,
doc_current->string.length));
doc_current = doc_current->next;
iterator = iterator->next;
}
#endif
return;
}
assert(doc_current);
for (; doc_current != (struct string_list_item *) doc_snippets;
doc_current = doc_current->next) {
add_to_string_list(queued_snippets, doc_current->string.source,
doc_current->string.length);
#if 0
DBG("Adding snippet\n%.*s\n #####",
doc_current->string.length,
doc_current->string.source);
#endif
}
}
static void
process_snippets(struct ecmascript_interpreter *interpreter,
Declare element types of lists.
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LIST_OF(struct string_list_item) *snippets,
struct string_list_item **current)
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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{
if (!*current)
*current = snippets->next;
for (; *current != (struct string_list_item *) snippets;
(*current) = (*current)->next) {
struct string *string = &(*current)->string;
unsigned char *uristring;
struct uri *uri;
struct cache_entry *cached;
struct fragment *fragment;
if (string->length == 0)
continue;
if (*string->source != '^') {
/* Evaluate <script>code</script> snippet */
Added ret param for document.write
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ecmascript_eval(interpreter, string, NULL);
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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continue;
}
/* Eval external <script src="reference"></script> snippet */
uristring = string->source + 1;
if (!*uristring) continue;
uri = get_uri(uristring, URI_BASE);
if (!uri) continue;
cached = get_redirected_cache_entry(uri);
done_uri(uri);
if (!cached) {
/* At this time (!gradual_rerendering), we should've
* already retrieved this though. So it must've been
* that it went away because unused and the cache was
* already too full. */
#if 0
/* Disabled because gradual rerendering can be triggered
* by numerous events other than a ecmascript reference
* completing like the original document and CSS. Problem
* is that we should never continue this loop but rather
* break out if that is the case. Somehow we need to
* be able to derive URI loading problems at this point
* or maybe remove reference snippets if they fail to load.
*
* This FIFO queue handling should be used for also CSS
* imports so it would be cool if it could be general
* enough for that. Using it for frames with the FIFOing
* disabled probably wouldn't hurt either.
*
* To top this thing off it would be nice if it also
* handled dependency tracking between references so that
* CSS documents will not disappear from the cache
* before all referencing HTML documents has been deleted
* from it.
*
* Reported as bug 533. */
/* Pasky's explanation: If we get the doc in a single
* shot, before calling draw_formatted() we didn't have
* anything additional queued for loading and the cache
* entry was already loaded, so we didn't get
* gradual_loading set. But then while parsing the
* document we got some external references and trying
* to process them right now. Boom.
*
* The obvious solution would be to always call
* draw_formatted() with gradual_loading in
* doc_loading_callback() and if we are sure the
* loading is really over, call it one more time
* without gradual_loading set. I'm not sure about
* the implications though so I won't do it before
* 0.10.0. --pasky */
ERROR("The script of %s was lost in too full a cache!",
uristring);
#endif
continue;
}
fragment = get_cache_fragment(cached);
if (fragment) {
struct string code = INIT_STRING(fragment->data, fragment->length);
Added ret param for document.write
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ecmascript_eval(interpreter, &code, NULL);
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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}
}
}
#endif
static void
render_encoded_document(struct cache_entry *cached, struct document *document)
{
struct uri *uri = cached->uri;
enum stream_encoding encoding = ENCODING_NONE;
struct fragment *fragment = get_cache_fragment(cached);
struct string buffer = INIT_STRING("", 0);
/* Even empty documents have to be rendered so that info in the protocol
* header, such as refresh info, get processed. (bug 625) */
if (fragment) {
buffer.source = fragment->data;
buffer.length = fragment->length;
}
Fix problem with double decompression of local files ELinks tries decompress local gziped files twice, which causes problems with some files eg. with this README.gz. This patch prevents it.
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if (uri->protocol != PROTOCOL_FILE) {
unsigned char *extension = get_extension_from_uri(uri);
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
2005-09-15 09:58:31 -04:00
Fix problem with double decompression of local files ELinks tries decompress local gziped files twice, which causes problems with some files eg. with this README.gz. This patch prevents it.
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if (extension) {
encoding = guess_encoding(extension);
mem_free(extension);
}
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
2005-09-15 09:58:31 -04:00
Fix problem with double decompression of local files ELinks tries decompress local gziped files twice, which causes problems with some files eg. with this README.gz. This patch prevents it.
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if (encoding != ENCODING_NONE) {
int length = 0;
unsigned char *source;
source = decode_encoded_buffer(encoding, buffer.source,
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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buffer.length, &length);
Fix problem with double decompression of local files ELinks tries decompress local gziped files twice, which causes problems with some files eg. with this README.gz. This patch prevents it.
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if (source) {
buffer.source = source;
buffer.length = length;
} else {
encoding = ENCODING_NONE;
}
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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}
}
if (document->options.plain) {
#ifdef CONFIG_DOM
if (cached->content_type
Use the simpler strcasecmp() instead of strcaselcmp()
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&& (!strcasecmp("text/html", cached->content_type)
|| !strcasecmp("application/xhtml+xml", cached->content_type)
Although aware ELinks doesn't need another sgml/doctype here is DocBook It was created a long time ago so (I think) it deserves to survive. It maps .sgml files to applicatino/docbook+xml and uses the highlighter.
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|| !strcasecmp("application/docbook+xml", cached->content_type)
Use the simpler strcasecmp() instead of strcaselcmp()
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|| !strcasecmp("application/rss+xml", cached->content_type)
|| !strcasecmp("application/xbel+xml", cached->content_type)
|| !strcasecmp("application/x-xbel", cached->content_type)
|| !strcasecmp("application/xbel", cached->content_type)))
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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render_dom_document(cached, document, &buffer);
else
#endif
render_plain_document(cached, document, &buffer);
} else {
Add the basic support for rendering RSS documents It is very simple for now, so it only displays headlines and doesn't support a whole lot of RSS flavours.
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#ifdef CONFIG_DOM
if (cached->content_type
&& (!strlcasecmp("application/rss+xml", 19, cached->content_type, -1)))
render_dom_document(cached, document, &buffer);
else
#endif
render_html_document(cached, document, &buffer);
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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}
if (encoding != ENCODING_NONE) {
done_string(&buffer);
}
}
void
render_document(struct view_state *vs, struct document_view *doc_view,
struct document_options *options)
{
unsigned char *name;
struct document *document;
struct cache_entry *cached;
assert(vs && doc_view && options);
if_assert_failed return;
#if 0
DBG("(Re%u)Rendering %s on doc_view %p [%s] while attaching it to %p",
options->gradual_rerendering, struri(vs->uri),
doc_view, doc_view->name, vs);
#endif
Revert unstable 'Eval embedded scripts at once' Revert commit 2f0490cb04fb4208aa321fb9d74ecf5309f662ae ('Eval embedded scripts at once') and follow-up commit 997f61bb32a61486cb3966c96725a2aa3d670e23 ('Use document_view instead of view_state. It is safer probably') because the change causes crashes on numerous pages and just looks wrong.
2006-02-12 10:03:12 -05:00
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
2005-09-15 09:58:31 -04:00
name = doc_view->name;
doc_view->name = NULL;
detach_formatted(doc_view);
doc_view->name = name;
doc_view->vs = vs;
doc_view->last_x = doc_view->last_y = -1;
#if 0
/* This is a nice idea, but doesn't always work: in particular when
* there's a frame name conflict. You loaded something to the vs'
* frame, but later something tried to get loaded to a frame with
* the same name and we got back this frame again, so we are now
* overriding the original document with a cuckoo. This assert()ion
* should be re-enabled when we start to get this right (which is
* very complex, but someone should rewrite the frames support
* anyway). --pasky */
assert(!vs->doc_view);
#else
if (vs->doc_view) {
/* It will be still detached, no worries - hopefully it still
* resides in ses->scrn_frames. */
assert(vs->doc_view->vs == vs);
vs->doc_view->used = 0; /* A bit risky, but... */
vs->doc_view->vs = NULL;
vs->doc_view = NULL;
#ifdef CONFIG_ECMASCRIPT
vs->ecmascript_fragile = 1; /* And is this good? ;-) */
#endif
}
#endif
vs->doc_view = doc_view;
cached = find_in_cache(vs->uri);
if (!cached) {
INTERNAL("document %s to format not found", struri(vs->uri));
return;
}
document = get_cached_document(cached, options);
if (document) {
doc_view->document = document;
} else {
document = init_document(cached, options);
if (!document) return;
doc_view->document = document;
shrink_memory(0);
Revert unstable 'Eval embedded scripts at once' Revert commit 2f0490cb04fb4208aa321fb9d74ecf5309f662ae ('Eval embedded scripts at once') and follow-up commit 997f61bb32a61486cb3966c96725a2aa3d670e23 ('Use document_view instead of view_state. It is safer probably') because the change causes crashes on numerous pages and just looks wrong.
2006-02-12 10:03:12 -05:00
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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render_encoded_document(cached, document);
sort_links(document);
if (!document->title) {
enum uri_component components;
if (document->uri->protocol == PROTOCOL_FILE) {
components = URI_PATH;
} else {
components = URI_PUBLIC;
}
document->title = get_uri_string(document->uri, components);
Convert link titles to correct codepage before displaying it on screen. Don't replace UTF-8 bytes with '*'. Probably there is need to do better check what will be displayed. Also get_current_link_title is no longer pretty and trivial. (o:
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if (document->title) {
Rename CONFIG_UTF_8 to CONFIG_UTF8. The configure script no longer recognizes "CONFIG_UTF_8=yes" lines in custom features.conf files. They will have to be changed to "CONFIG_UTF8=yes". This incompatibility was deemed acceptable because no released version of ELinks supports CONFIG_UTF_8. The --enable-utf-8 option was not renamed.
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#ifdef CONFIG_UTF8
Convert link titles to correct codepage before displaying it on screen. Don't replace UTF-8 bytes with '*'. Probably there is need to do better check what will be displayed. Also get_current_link_title is no longer pretty and trivial. (o:
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if (doc_view->document->options.utf8)
decode_uri(document->title);
else
Rename CONFIG_UTF_8 to CONFIG_UTF8. The configure script no longer recognizes "CONFIG_UTF_8=yes" lines in custom features.conf files. They will have to be changed to "CONFIG_UTF8=yes". This incompatibility was deemed acceptable because no released version of ELinks supports CONFIG_UTF_8. The --enable-utf-8 option was not renamed.
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#endif /* CONFIG_UTF8 */
Convert link titles to correct codepage before displaying it on screen. Don't replace UTF-8 bytes with '*'. Probably there is need to do better check what will be displayed. Also get_current_link_title is no longer pretty and trivial. (o:
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decode_uri_for_display(document->title);
}
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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}
#ifdef CONFIG_CSS
document->css_magic = get_document_css_magic(document);
#endif
}
#ifdef CONFIG_ECMASCRIPT
if (!vs->ecmascript_fragile)
assert(vs->ecmascript);
if (!options->gradual_rerendering) {
/* We also reset the state if the underlying document changed
* from the last time we did the snippets. This may be
* triggered i.e. when redrawing a document which has been
* reloaded in a different tab meanwhile (OTOH we don't want
* to reset the state if we are redrawing a document we have
* already drawn before).
*
* (vs->ecmascript->onload_snippets_owner) check may be
* superfluous since we should always have
* vs->ecmascript_fragile set in those cases; that's why we
* don't ever bother to re-zero it if we are suddenly doing
* gradual rendering again.
*
* XXX: What happens if a document is still loading in the
* other tab when we press ^L here? */
if (vs->ecmascript_fragile
|| (vs->ecmascript && vs->ecmascript->onload_snippets_owner
&& document->id != vs->ecmascript->onload_snippets_owner))
ecmascript_reset_state(vs);
assert(vs->ecmascript);
vs->ecmascript->onload_snippets_owner = document->id;
/* Passing of the onload_snippets pointers gives *_snippets()
* some feeling of universality, shall we ever get any other
* snippets (?). */
add_snippets(vs->ecmascript,
&document->onload_snippets,
&vs->ecmascript->onload_snippets);
process_snippets(vs->ecmascript, &vs->ecmascript->onload_snippets,
&vs->ecmascript->current_onload_snippet);
}
#endif
/* If we do not care about the height and width of the document
* just use the setup values. */
copy_box(&doc_view->box, &document->options.box);
if (!document->options.needs_width)
doc_view->box.width = options->box.width;
if (!document->options.needs_height)
doc_view->box.height = options->box.height;
}
void
render_document_frames(struct session *ses, int no_cache)
{
struct document_options doc_opts;
struct document_view *doc_view;
struct document_view *current_doc_view = NULL;
struct view_state *vs = NULL;
if (!ses->doc_view) {
ses->doc_view = mem_calloc(1, sizeof(*ses->doc_view));
if (!ses->doc_view) return;
ses->doc_view->session = ses;
ses->doc_view->search_word = &ses->search_word;
}
if (have_location(ses)) vs = &cur_loc(ses)->vs;
init_document_options(&doc_opts);
set_box(&doc_opts.box, 0, 0,
ses->tab->term->width, ses->tab->term->height);
if (ses->status.show_title_bar) {
doc_opts.box.y++;
doc_opts.box.height--;
}
if (ses->status.show_status_bar) doc_opts.box.height--;
Display optionally tabs bar at top like other browser do. TODO: input_line_layouter, ACT_MAIN_TAB_MENU
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if (ses->status.show_tabs_bar) {
doc_opts.box.height--;
if (ses->status.show_tabs_bar_at_top) doc_opts.box.y++;
}
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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doc_opts.color_mode = get_opt_int_tree(ses->tab->term->spec, "colors");
if (!get_opt_bool_tree(ses->tab->term->spec, "underline"))
doc_opts.color_flags |= COLOR_ENHANCE_UNDERLINE;
doc_opts.cp = get_opt_codepage_tree(ses->tab->term->spec, "charset");
doc_opts.no_cache = no_cache & 1;
doc_opts.gradual_rerendering = !!(no_cache & 2);
if (vs) {
if (vs->plain < 0) vs->plain = 0;
doc_opts.plain = vs->plain;
doc_opts.wrap = vs->wrap;
} else {
doc_opts.plain = 1;
}
foreach (doc_view, ses->scrn_frames) doc_view->used = 0;
if (vs) render_document(vs, ses->doc_view, &doc_opts);
if (document_has_frames(ses->doc_view->document)) {
current_doc_view = current_frame(ses);
format_frames(ses, ses->doc_view->document->frame_desc, &doc_opts, 0);
}
foreach (doc_view, ses->scrn_frames) {
struct document_view *prev_doc_view = doc_view->prev;
if (doc_view->used) continue;
detach_formatted(doc_view);
del_from_list(doc_view);
mem_free(doc_view);
doc_view = prev_doc_view;
}
if (current_doc_view) {
int n = 0;
foreach (doc_view, ses->scrn_frames) {
if (document_has_frames(doc_view->document)) continue;
if (doc_view == current_doc_view) {
cur_loc(ses)->vs.current_link = n;
break;
}
n++;
}
}
}
static int
comp_links(struct link *l1, struct link *l2)
{
assert(l1 && l2);
if_assert_failed return 0;
return (l1->number - l2->number);
}
Sort links when necessary
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void
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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sort_links(struct document *document)
{
int i;
assert(document);
if_assert_failed return;
if (!document->nlinks) return;
Sort links when necessary
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if (document->links_sorted) return;
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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assert(document->links);
if_assert_failed return;
qsort(document->links, document->nlinks, sizeof(*document->links),
(void *) comp_links);
if (!document->height) return;
sort_links: fix memory leak Free document->lines1 and document->lines2 if they are already set. This fixes a memory leak from commit 52d3a6411dfbbde866ed3c973740a598ec07f125.
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mem_free_if(document->lines1);
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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document->lines1 = mem_calloc(document->height, sizeof(*document->lines1));
sort_links: fix memory leak Free document->lines1 and document->lines2 if they are already set. This fixes a memory leak from commit 52d3a6411dfbbde866ed3c973740a598ec07f125.
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mem_free_if(document->lines2);
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
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if (!document->lines1) return;
document->lines2 = mem_calloc(document->height, sizeof(*document->lines2));
if (!document->lines2) {
mem_free(document->lines1);
return;
}
for (i = 0; i < document->nlinks; i++) {
struct link *link = &document->links[i];
int p, q, j;
if (!link->npoints) {
done_link_members(link);
memmove(link, link + 1,
(document->nlinks - i - 1) * sizeof(*link));
document->nlinks--;
i--;
continue;
}
p = link->points[0].y;
q = link->points[link->npoints - 1].y;
if (p > q) j = p, p = q, q = j;
for (j = p; j <= q; j++) {
assertm(j < document->height, "link out of screen");
if_assert_failed continue;
document->lines2[j] = &document->links[i];
if (!document->lines1[j])
document->lines1[j] = &document->links[i];
}
}
Sort links when necessary
2006-01-28 08:13:41 -05:00
document->links_sorted = 1;
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
2005-09-15 09:58:31 -04:00
}
struct conv_table *
get_convert_table(unsigned char *head, int to_cp,
int default_cp, int *from_cp,
enum cp_status *cp_status, int ignore_server_cp)
{
unsigned char *part = head;
int cp_index = -1;
assert(head);
if_assert_failed return NULL;
if (ignore_server_cp) {
if (cp_status) *cp_status = CP_STATUS_IGNORED;
if (from_cp) *from_cp = default_cp;
return get_translation_table(default_cp, to_cp);
}
while (cp_index == -1) {
unsigned char *ct_charset;
unsigned char *meta;
unsigned char *a = parse_header(part, "Content-Type", &part);
if (!a) break;
/* Content type info from document meta header.
* scan_http_equiv() appends the meta stuff to the protocol header before
* this function is called. Last Content-Type header field is used. */
while ((meta = parse_header(part, "Content-Type", &part))) {
mem_free_set(&a, meta);
}
parse_header_param stores the string via a pointer parameter. Its return value is now an enum that lets callers know whether an error occurred. However, this commit changes the callers only minimally, so they do not yet check the return value.
2006-05-30 02:17:27 -04:00
parse_header_param(a, "charset", &ct_charset);
Initial commit of the HEAD branch of the ELinks CVS repository, as of Thu Sep 15 15:57:07 CEST 2005. The previous history can be added to this by grafting.
2005-09-15 09:58:31 -04:00
if (ct_charset) {
cp_index = get_cp_index(ct_charset);
mem_free(ct_charset);
}
mem_free(a);
}
if (cp_index == -1) {
unsigned char *a = parse_header(head, "Content-Charset", NULL);
if (a) {
cp_index = get_cp_index(a);
mem_free(a);
}
}
if (cp_index == -1) {
unsigned char *a = parse_header(head, "Charset", NULL);
if (a) {
cp_index = get_cp_index(a);
mem_free(a);
}
}
if (cp_index == -1) {
cp_index = default_cp;
if (cp_status) *cp_status = CP_STATUS_ASSUMED;
} else {
if (cp_status) *cp_status = CP_STATUS_SERVER;
}
if (from_cp) *from_cp = cp_index;
return get_translation_table(cp_index, to_cp);
}
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