mirror of
https://github.com/rkd77/elinks.git
synced 2024-12-04 14:46:47 -05:00
[document] renderer.cpp -> renderer.c
Moved ecmascript code to ecmascript-c.cpp
This commit is contained in:
Witold Filipczyk
parent
742d30419f
commit
424466740c
@ -7,6 +7,6 @@ SUBDIRS-$(CONFIG_LIBDOM) += libdom
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SUBDIRS = gemini html plain
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SUBDIRS = gemini html plain
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OBJS = docdata.o document.obj format.o forms.o options.o refresh.o renderer.obj
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OBJS = docdata.o document.obj format.o forms.o options.o refresh.o renderer.o
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include $(top_srcdir)/Makefile.lib
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include $(top_srcdir)/Makefile.lib
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@ -10,4 +10,4 @@ endif
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subdir('gemini')
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subdir('gemini')
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subdir('html')
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subdir('html')
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subdir('plain')
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subdir('plain')
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srcs += files('docdata.c', 'document.cpp', 'format.c', 'forms.c', 'options.c', 'refresh.c', 'renderer.cpp')
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srcs += files('docdata.c', 'document.cpp', 'format.c', 'forms.c', 'options.c', 'refresh.c', 'renderer.c')
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@ -28,10 +28,7 @@
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#include "document/renderer.h"
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#include "document/renderer.h"
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#include "document/view.h"
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#include "document/view.h"
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#ifdef CONFIG_ECMASCRIPT
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#ifdef CONFIG_ECMASCRIPT
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#include "ecmascript/ecmascript.h"
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#include "ecmascript/ecmascript-c.h"
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#endif
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#ifdef CONFIG_ECMASCRIPT_SMJS
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#include "ecmascript/spidermonkey/document.h"
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#endif
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#endif
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#include "encoding/encoding.h"
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#include "encoding/encoding.h"
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#include "intl/charsets.h"
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#include "intl/charsets.h"
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@ -52,169 +49,6 @@
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#include "viewer/text/vs.h"
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#include "viewer/text/vs.h"
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#if defined(CONFIG_ECMASCRIPT_SMJS) || defined(CONFIG_QUICKJS) || defined(CONFIG_MUJS)
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/** @todo XXX: This function is de facto obsolete, since we do not need to copy
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* snippets around anymore (we process them in one go after the document is
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* loaded; gradual processing was practically impossible because the snippets
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* could reorder randomly during the loading - consider i.e.
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* @<body onLoad>@<script>@</body>: first just @<body> is loaded, but then the
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* rest of the document is loaded and @<script> gets before @<body>; do not even
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* imagine the trouble with rewritten (through scripting hooks) documents;
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* besides, implementing document.write() will be much simpler).
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* But I want to take no risk by reworking that now. --pasky */
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static void
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add_snippets(struct ecmascript_interpreter *interpreter,
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LIST_OF(struct ecmascript_string_list_item) *doc_snippets,
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LIST_OF(struct ecmascript_string_list_item) *queued_snippets)
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{
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struct ecmascript_string_list_item *doc_current = (struct ecmascript_string_list_item *)doc_snippets->next;
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#ifdef CONFIG_LEDS
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if (list_empty(*queued_snippets) && interpreter->vs->doc_view->session)
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unset_led_value(interpreter->vs->doc_view->session->status.ecmascript_led);
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#endif
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if (list_empty(*doc_snippets)
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|| !get_opt_bool("ecmascript.enable", NULL))
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return;
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/* We do this all only once per view_state now. */
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if (!list_empty(*queued_snippets)) {
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/* So if we already did it, we shouldn't need to do it again.
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* This is the case of moving around in history - we have all
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* what happenned recorded in the view_state and needn't bother
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* again. */
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#ifdef CONFIG_DEBUG
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/* Hopefully. */
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struct ecmascript_string_list_item *iterator = queued_snippets->next;
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while (iterator != (struct ecmascript_string_list_item *) queued_snippets) {
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if (doc_current == (struct ecmascript_string_list_item *) doc_snippets) {
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INTERNAL("add_snippets(): doc_snippets shorter than queued_snippets!");
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return;
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}
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#if 0
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DBG("Comparing snippets\n%.*s\n###### vs #####\n%.*s\n #####",
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iterator->string.length, iterator->string.source,
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doc_current->string.length, doc_current->string.source);
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#endif
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assert(!strlcmp(iterator->string.source,
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iterator->string.length,
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doc_current->string.source,
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doc_current->string.length));
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doc_current = doc_current->next;
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iterator = iterator->next;
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}
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#endif
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return;
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}
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assert(doc_current);
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for (; doc_current != (struct ecmascript_string_list_item *) doc_snippets;
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doc_current = doc_current->next) {
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add_to_ecmascript_string_list(queued_snippets, doc_current->string.source,
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doc_current->string.length, doc_current->element_offset);
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#if 0
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DBG("Adding snippet\n%.*s\n #####",
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doc_current->string.length,
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doc_current->string.source);
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#endif
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}
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}
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static void
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process_snippets(struct ecmascript_interpreter *interpreter,
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LIST_OF(struct ecmascript_string_list_item) *snippets,
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struct ecmascript_string_list_item **current)
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{
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if (!*current)
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*current = (struct ecmascript_string_list_item *)snippets->next;
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for (; *current != (struct ecmascript_string_list_item *) snippets;
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(*current) = (*current)->next) {
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struct string *string = &(*current)->string;
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char *uristring;
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struct uri *uri;
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struct cache_entry *cached;
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struct fragment *fragment;
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if (string->length == 0)
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continue;
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if (*string->source != '^') {
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/* Evaluate <script>code</script> snippet */
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ecmascript_eval(interpreter, string, NULL, (*current)->element_offset);
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continue;
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}
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/* Eval external <script src="reference"></script> snippet */
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uristring = string->source + 1;
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if (!*uristring) continue;
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uri = get_uri(uristring, URI_BASE);
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if (!uri) continue;
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cached = get_redirected_cache_entry(uri);
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done_uri(uri);
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if (!cached) {
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/* At this time (!gradual_rerendering), we should've
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* already retrieved this though. So it must've been
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* that it went away because unused and the cache was
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* already too full. */
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#if 0
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/* Disabled because gradual rerendering can be triggered
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* by numerous events other than a ecmascript reference
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* completing like the original document and CSS. Problem
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* is that we should never continue this loop but rather
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* break out if that is the case. Somehow we need to
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* be able to derive URI loading problems at this point
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* or maybe remove reference snippets if they fail to load.
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*
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* This FIFO queue handling should be used for also CSS
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* imports so it would be cool if it could be general
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* enough for that. Using it for frames with the FIFOing
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* disabled probably wouldn't hurt either.
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*
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* To top this thing off it would be nice if it also
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* handled dependency tracking between references so that
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* CSS documents will not disappear from the cache
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* before all referencing HTML documents has been deleted
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* from it.
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*
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* Reported as bug 533. */
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/* Pasky's explanation: If we get the doc in a single
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* shot, before calling draw_formatted() we didn't have
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* anything additional queued for loading and the cache
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* entry was already loaded, so we didn't get
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* gradual_loading set. But then while parsing the
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* document we got some external references and trying
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* to process them right now. Boom.
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*
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* The obvious solution would be to always call
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* draw_formatted() with gradual_loading in
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* doc_loading_callback() and if we are sure the
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* loading is really over, call it one more time
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* without gradual_loading set. I'm not sure about
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* the implications though so I won't do it before
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* 0.10.0. --pasky */
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ERROR("The script of %s was lost in too full a cache!",
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uristring);
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#endif
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continue;
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}
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fragment = get_cache_fragment(cached);
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if (fragment) {
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struct string code = INIT_STRING(fragment->data, (int)fragment->length);
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ecmascript_eval(interpreter, &code, NULL, (*current)->element_offset);
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}
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}
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check_for_rerender(interpreter, "eval");
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}
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#endif
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static void
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static void
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render_encoded_document(struct cache_entry *cached, struct document *document)
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render_encoded_document(struct cache_entry *cached, struct document *document)
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{
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{
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@ -410,48 +244,7 @@ render_document(struct view_state *vs, struct document_view *doc_view,
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#endif
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#endif
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}
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}
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#if defined(CONFIG_ECMASCRIPT_SMJS) || defined(CONFIG_QUICKJS) || defined(CONFIG_MUJS)
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#if defined(CONFIG_ECMASCRIPT_SMJS) || defined(CONFIG_QUICKJS) || defined(CONFIG_MUJS)
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if (!vs->ecmascript_fragile)
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check_for_snippets(vs, options, document);
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assert(vs->ecmascript);
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if (!options->dump && !options->gradual_rerendering) {
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/* We also reset the state if the underlying document changed
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* from the last time we did the snippets. This may be
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* triggered i.e. when redrawing a document which has been
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* reloaded in a different tab meanwhile (OTOH we don't want
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* to reset the state if we are redrawing a document we have
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* already drawn before).
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*
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* (vs->ecmascript->onload_snippets_owner) check may be
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* superfluous since we should always have
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* vs->ecmascript_fragile set in those cases; that's why we
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* don't ever bother to re-zero it if we are suddenly doing
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* gradual rendering again.
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*
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* XXX: What happens if a document is still loading in the
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* other tab when we press ^L here? */
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if (vs->ecmascript_fragile
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|| (vs->ecmascript
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&& vs->ecmascript->onload_snippets_cache_id
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&& document->cache_id != vs->ecmascript->onload_snippets_cache_id))
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ecmascript_reset_state(vs);
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/* If ecmascript_reset_state cannot construct a new
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* ECMAScript interpreter, it sets vs->ecmascript =
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* NULL and vs->ecmascript_fragile = 1. */
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if (vs->ecmascript) {
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vs->ecmascript->onload_snippets_cache_id = document->cache_id;
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/* Passing of the onload_snippets pointers
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* gives *_snippets() some feeling of
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* universality, shall we ever get any other
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* snippets (?). */
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add_snippets(vs->ecmascript,
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&document->onload_snippets,
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&vs->ecmascript->onload_snippets);
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process_snippets(vs->ecmascript,
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&vs->ecmascript->onload_snippets,
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&vs->ecmascript->current_onload_snippet);
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check_for_rerender(vs->ecmascript, "process_snippets");
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}
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}
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#endif
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#endif
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/* If we do not care about the height and width of the document
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/* If we do not care about the height and width of the document
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@ -79,3 +79,202 @@ ecmascript_protocol_handler(struct session *ses, struct uri *uri)
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CACHE_MODE_NORMAL);
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CACHE_MODE_NORMAL);
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done_uri(redirect_uri);
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done_uri(redirect_uri);
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}
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}
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static void
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add_snippets(struct ecmascript_interpreter *interpreter,
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LIST_OF(struct ecmascript_string_list_item) *doc_snippets,
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LIST_OF(struct ecmascript_string_list_item) *queued_snippets)
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{
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struct ecmascript_string_list_item *doc_current = (struct ecmascript_string_list_item *)doc_snippets->next;
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#ifdef CONFIG_LEDS
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if (list_empty(*queued_snippets) && interpreter->vs->doc_view->session)
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unset_led_value(interpreter->vs->doc_view->session->status.ecmascript_led);
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#endif
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if (list_empty(*doc_snippets)
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|| !get_opt_bool("ecmascript.enable", NULL))
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return;
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/* We do this all only once per view_state now. */
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if (!list_empty(*queued_snippets)) {
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/* So if we already did it, we shouldn't need to do it again.
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* This is the case of moving around in history - we have all
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* what happenned recorded in the view_state and needn't bother
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* again. */
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#ifdef CONFIG_DEBUG
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/* Hopefully. */
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struct ecmascript_string_list_item *iterator = queued_snippets->next;
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while (iterator != (struct ecmascript_string_list_item *) queued_snippets) {
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if (doc_current == (struct ecmascript_string_list_item *) doc_snippets) {
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INTERNAL("add_snippets(): doc_snippets shorter than queued_snippets!");
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return;
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}
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#if 0
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DBG("Comparing snippets\n%.*s\n###### vs #####\n%.*s\n #####",
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iterator->string.length, iterator->string.source,
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doc_current->string.length, doc_current->string.source);
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#endif
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assert(!strlcmp(iterator->string.source,
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iterator->string.length,
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doc_current->string.source,
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doc_current->string.length));
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doc_current = doc_current->next;
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iterator = iterator->next;
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}
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#endif
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return;
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}
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assert(doc_current);
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for (; doc_current != (struct ecmascript_string_list_item *) doc_snippets;
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doc_current = doc_current->next) {
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add_to_ecmascript_string_list(queued_snippets, doc_current->string.source,
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doc_current->string.length, doc_current->element_offset);
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#if 0
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DBG("Adding snippet\n%.*s\n #####",
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doc_current->string.length,
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doc_current->string.source);
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#endif
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}
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}
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static void
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process_snippets(struct ecmascript_interpreter *interpreter,
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LIST_OF(struct ecmascript_string_list_item) *snippets,
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struct ecmascript_string_list_item **current)
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{
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if (!*current)
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*current = (struct ecmascript_string_list_item *)snippets->next;
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for (; *current != (struct ecmascript_string_list_item *) snippets;
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(*current) = (*current)->next) {
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struct string *string = &(*current)->string;
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char *uristring;
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struct uri *uri;
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struct cache_entry *cached;
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struct fragment *fragment;
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if (string->length == 0)
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continue;
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if (*string->source != '^') {
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/* Evaluate <script>code</script> snippet */
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ecmascript_eval(interpreter, string, NULL, (*current)->element_offset);
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continue;
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}
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/* Eval external <script src="reference"></script> snippet */
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uristring = string->source + 1;
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if (!*uristring) continue;
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uri = get_uri(uristring, URI_BASE);
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if (!uri) continue;
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cached = get_redirected_cache_entry(uri);
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done_uri(uri);
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if (!cached) {
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/* At this time (!gradual_rerendering), we should've
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||||||
|
* 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, (int)fragment->length);
|
||||||
|
|
||||||
|
ecmascript_eval(interpreter, &code, NULL, (*current)->element_offset);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
check_for_rerender(interpreter, "eval");
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
check_for_snippets(struct view_state *vs, struct document_options *options, struct document *document)
|
||||||
|
{
|
||||||
|
if (!vs->ecmascript_fragile)
|
||||||
|
assert(vs->ecmascript);
|
||||||
|
if (!options->dump && !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_cache_id
|
||||||
|
&& document->cache_id != vs->ecmascript->onload_snippets_cache_id))
|
||||||
|
ecmascript_reset_state(vs);
|
||||||
|
/* If ecmascript_reset_state cannot construct a new
|
||||||
|
* ECMAScript interpreter, it sets vs->ecmascript =
|
||||||
|
* NULL and vs->ecmascript_fragile = 1. */
|
||||||
|
if (vs->ecmascript) {
|
||||||
|
vs->ecmascript->onload_snippets_cache_id = document->cache_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);
|
||||||
|
check_for_rerender(vs->ecmascript, "process_snippets");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -7,8 +7,11 @@
|
|||||||
extern "C" {
|
extern "C" {
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
struct document_options;
|
||||||
|
struct docuemnt;
|
||||||
struct session;
|
struct session;
|
||||||
struct uri;
|
struct uri;
|
||||||
|
struct view_state;
|
||||||
|
|
||||||
int ecmascript_get_interpreter_count(void);
|
int ecmascript_get_interpreter_count(void);
|
||||||
void toggle_ecmascript(struct session *ses);
|
void toggle_ecmascript(struct session *ses);
|
||||||
@ -16,6 +19,7 @@ void toggle_ecmascript(struct session *ses);
|
|||||||
/* Takes line with the syntax javascript:<ecmascript code>. Activated when user
|
/* Takes line with the syntax javascript:<ecmascript code>. Activated when user
|
||||||
* follows a link with this synstax. */
|
* follows a link with this synstax. */
|
||||||
void ecmascript_protocol_handler(struct session *ses, struct uri *uri);
|
void ecmascript_protocol_handler(struct session *ses, struct uri *uri);
|
||||||
|
void check_for_snippets(struct view_state *vs, struct document_options *options, struct document *document);
|
||||||
|
|
||||||
extern struct module ecmascript_module;
|
extern struct module ecmascript_module;
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user