mirror of
https://github.com/rkd77/elinks.git
synced 2024-09-29 03:17:53 -04:00
[libdom] forms.cpp
This commit is contained in:
Witold Filipczyk
parent
ba52c06af1
commit
a6b7554a52
@ -2,6 +2,6 @@ top_builddir=../../..
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include $(top_builddir)/Makefile.config
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INCLUDES += $(SPIDERMONKEY_CFLAGS)
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OBJS = attr.obj attributes.obj collection.obj console.obj heartbeat.obj history.obj implementation.obj keyboard.obj localstorage.obj location.obj message.obj navigator.obj nodelist.obj screen.obj unibar.obj window.obj xhr.obj
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OBJS = attr.obj attributes.obj collection.obj console.obj forms.obj heartbeat.obj history.obj implementation.obj keyboard.obj localstorage.obj location.obj message.obj navigator.obj nodelist.obj screen.obj unibar.obj window.obj xhr.obj
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include $(top_srcdir)/Makefile.lib
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391
src/ecmascript/libdom/spidermonkey/forms.cpp
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391
src/ecmascript/libdom/spidermonkey/forms.cpp
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@ -0,0 +1,391 @@
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/* The SpiderMonkey window object implementation. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "elinks.h"
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#include "ecmascript/spidermonkey/util.h"
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#include <jsfriendapi.h>
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#include "bfu/dialog.h"
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#include "cache/cache.h"
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#include "cookies/cookies.h"
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#include "dialogs/menu.h"
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#include "dialogs/status.h"
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#include "document/html/frames.h"
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#include "document/document.h"
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#include "document/forms.h"
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#include "document/view.h"
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#include "ecmascript/ecmascript.h"
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#include "ecmascript/spidermonkey.h"
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#include "ecmascript/spidermonkey/document.h"
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#include "ecmascript/spidermonkey/form.h"
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#include "ecmascript/spidermonkey/forms.h"
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#include "ecmascript/spidermonkey/input.h"
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#include "ecmascript/spidermonkey/window.h"
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#include "intl/libintl.h"
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#include "main/select.h"
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#include "osdep/newwin.h"
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#include "osdep/sysname.h"
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#include "protocol/http/http.h"
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#include "protocol/uri.h"
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#include "session/history.h"
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#include "session/location.h"
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#include "session/session.h"
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#include "session/task.h"
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#include "terminal/tab.h"
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#include "terminal/terminal.h"
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#include "util/conv.h"
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#include "util/memory.h"
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#include "util/string.h"
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#include "viewer/text/draw.h"
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#include "viewer/text/form.h"
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#include "viewer/text/link.h"
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#include "viewer/text/vs.h"
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static bool forms_set_items(JSContext *ctx, JS::HandleObject hobj, void *node);
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static bool forms_get_property_length(JSContext *ctx, unsigned int argc, JS::Value *vp);
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JSClassOps forms_ops = {
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nullptr, // addProperty
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nullptr, // deleteProperty
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nullptr, // enumerate
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nullptr, // newEnumerate
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nullptr, // resolve
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nullptr, // mayResolve
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nullptr, // finalize
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nullptr, // call
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nullptr, // construct
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JS_GlobalObjectTraceHook
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};
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/* Each @forms_class object must have a @document_class parent. */
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JSClass forms_class = {
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"forms",
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JSCLASS_HAS_RESERVED_SLOTS(1),
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&forms_ops
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};
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static bool forms_item(JSContext *ctx, unsigned int argc, JS::Value *rval);
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static bool forms_item2(JSContext *ctx, JS::HandleObject hobj, int index, JS::MutableHandleValue hvp);
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static bool forms_namedItem(JSContext *ctx, unsigned int argc, JS::Value *rval);
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const spidermonkeyFunctionSpec forms_funcs[] = {
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{ "item", forms_item, 1 },
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{ "namedItem", forms_namedItem, 1 },
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{ NULL }
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};
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/* Tinyids of properties. Use negative values to distinguish these from
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* array indexes (forms[INT] for INT>=0 is equivalent to forms.item(INT)).
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* ECMAScript code should not use these directly as in forms[-1];
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* future versions of ELinks may change the numbers. */
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enum forms_prop {
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JSP_FORMS_LENGTH = -1,
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};
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JSPropertySpec forms_props[] = {
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JS_PSG("length", forms_get_property_length, JSPROP_ENUMERATE),
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JS_PS_END
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};
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/* Find the form whose name is @name, which should normally be a
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* string (but might not be). If found, set *rval = the DOM
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* object. If not found, leave *rval unchanged. */
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static void
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find_form_by_name(JSContext *ctx,
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struct document_view *doc_view,
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char *string, JS::MutableHandleValue hvp)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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struct form *form;
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if (!*string)
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return;
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foreach (form, doc_view->document->forms) {
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if (form->name && !c_strcasecmp(string, form->name)) {
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hvp.setObject(*get_form_object(ctx, nullptr, form));
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break;
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}
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}
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}
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static bool
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forms_set_items(JSContext *ctx, JS::HandleObject hobj, void *node)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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struct view_state *vs;
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struct document_view *doc_view;
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JS::Realm *comp = js::GetContextRealm(ctx);
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if (!comp) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS::GetRealmPrivate(comp);
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/* This can be called if @obj if not itself an instance of the
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* appropriate class but has one in its prototype chain. Fail
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* such calls. */
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if (!JS_InstanceOf(ctx, hobj, &forms_class, NULL)) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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vs = interpreter->vs;
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doc_view = vs->doc_view;
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struct document *document = doc_view->document;
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int counter = 0;
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struct form_view *fv;
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foreach (fv, vs->forms) {
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struct form *form = find_form_by_form_view(document, fv);
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JS::RootedObject v(ctx, get_form_object(ctx, nullptr, form));
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JS::RootedValue ro(ctx, JS::ObjectOrNullValue(v));
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JS_SetElement(ctx, hobj, counter, ro);
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if (form->name) {
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if (strcmp(form->name, "item") && strcmp(form->name, "namedItem")) {
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JS_DefineProperty(ctx, hobj, form->name, ro, JSPROP_ENUMERATE | JSPROP_RESOLVING);
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}
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}
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counter++;
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}
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return true;
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}
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static bool
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forms_get_property_length(JSContext *ctx, unsigned int argc, JS::Value *vp)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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JS::CallArgs args = CallArgsFromVp(argc, vp);
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JS::RootedObject hobj(ctx, &args.thisv().toObject());
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struct view_state *vs;
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struct document_view *doc_view;
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struct document *document;
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JS::Realm *comp = js::GetContextRealm(ctx);
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if (!comp) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS::GetRealmPrivate(comp);
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/* This can be called if @obj if not itself an instance of the
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* appropriate class but has one in its prototype chain. Fail
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* such calls. */
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if (!JS_InstanceOf(ctx, hobj, &forms_class, NULL)) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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vs = interpreter->vs;
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if (!vs) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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doc_view = vs->doc_view;
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document = doc_view->document;
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args.rval().setInt32(list_size(&document->forms));
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return true;
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}
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/* @forms_funcs{"item"} */
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static bool
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forms_item(JSContext *ctx, unsigned int argc, JS::Value *vp)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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JS::Value val;
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JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
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JS::RootedObject hobj(ctx, &args.thisv().toObject());
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JS::RootedValue rval(ctx, val);
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// JS::Value *argv = JS_ARGV(ctx, rval);
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int index = args[0].toInt32();
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bool ret = forms_item2(ctx, hobj, index, &rval);
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args.rval().set(rval.get());
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return ret;
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}
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static bool
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forms_item2(JSContext *ctx, JS::HandleObject hobj, int index, JS::MutableHandleValue hvp)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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// JS::RootedObject parent_doc(ctx); /* instance of @document_class */
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struct view_state *vs;
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struct form_view *fv;
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int counter = -1;
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if (!JS_InstanceOf(ctx, hobj, &forms_class, NULL)) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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JS::Realm *comp = js::GetContextRealm(ctx);
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if (!comp) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS::GetRealmPrivate(comp);
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vs = interpreter->vs;
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struct document_view *doc_view = vs->doc_view;
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struct document *document = doc_view->document;
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hvp.setUndefined();
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foreach (fv, vs->forms) {
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counter++;
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if (counter == index) {
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struct form *form = find_form_by_form_view(document, fv);
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hvp.setObject(*get_form_object(ctx, nullptr, form));
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break;
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}
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}
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return true;
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}
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/* @forms_funcs{"namedItem"} */
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static bool
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forms_namedItem(JSContext *ctx, unsigned int argc, JS::Value *vp)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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JS::Value val;
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// JS::RootedObject parent_doc(ctx); /* instance of @document_class */
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JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
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JS::RootedObject hobj(ctx, &args.thisv().toObject());
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// JS::Value *argv = JS_ARGV(ctx, rval);
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struct view_state *vs;
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struct document_view *doc_view;
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JS::Realm *comp = js::GetContextRealm(ctx);
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if (!comp) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS::GetRealmPrivate(comp);
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if (!JS_InstanceOf(ctx, hobj, &forms_class, &args)) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return false;
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}
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vs = interpreter->vs;
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doc_view = vs->doc_view;
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if (argc != 1)
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return true;
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char *string = jsval_to_string(ctx, args[0]);
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JS::RootedValue rval(ctx, val);
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rval.setNull();
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find_form_by_name(ctx, doc_view, string, &rval);
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args.rval().set(rval.get());
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mem_free_if(string);
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return true;
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}
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JSString *
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unicode_to_jsstring(JSContext *ctx, unicode_val_T u)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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char16_t buf[2];
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/* This is supposed to make a string from which
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* jsval_to_accesskey() can get the original @u back.
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* If @u is a surrogate, then that is not possible, so
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* return NULL to indicate an error instead.
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*
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* If JS_NewUCStringCopyN hits a null character, it truncates
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* the string there and pads it with more nulls. However,
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* that is not a problem here, because if there is a null
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* character in buf[], then it must be the only character. */
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if (u <= 0xFFFF && !is_utf16_surrogate(u)) {
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buf[0] = u;
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return JS_NewUCStringCopyN(ctx, buf, 1);
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} else if (needs_utf16_surrogates(u)) {
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buf[0] = get_utf16_high_surrogate(u);
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buf[1] = get_utf16_low_surrogate(u);
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return JS_NewUCStringCopyN(ctx, buf, 2);
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} else {
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return NULL;
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}
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}
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JSObject *
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getForms(JSContext *ctx, void *node)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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JSObject *el = JS_NewObject(ctx, &forms_class);
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if (!el) {
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return NULL;
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}
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JS::RootedObject r_el(ctx, el);
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JS_DefineProperties(ctx, r_el, (JSPropertySpec *) forms_props);
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spidermonkey_DefineFunctions(ctx, el, forms_funcs);
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JS::SetReservedSlot(el, 0, JS::PrivateValue(node));
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forms_set_items(ctx, r_el, node);
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return r_el;
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}
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@ -1,2 +1,2 @@
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srcs += files('attr.cpp', 'attributes.cpp', 'collection.cpp', 'console.cpp', 'heartbeat.cpp', 'history.cpp', 'implementation.cpp', 'keyboard.cpp',
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srcs += files('attr.cpp', 'attributes.cpp', 'collection.cpp', 'console.cpp', 'forms.cpp', 'heartbeat.cpp', 'history.cpp', 'implementation.cpp', 'keyboard.cpp',
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'localstorage.cpp', 'location.cpp', 'message.cpp', 'navigator.cpp', 'nodelist.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp', 'xhr.cpp')
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@ -51,6 +51,8 @@
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#include <libxml++/libxml++.h>
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#ifndef CONFIG_LIBDOM
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static bool forms_set_items(JSContext *ctx, JS::HandleObject hobj, void *node);
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static bool forms_get_property_length(JSContext *ctx, unsigned int argc, JS::Value *vp);
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@ -391,3 +393,4 @@ getForms(JSContext *ctx, void *node)
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return r_el;
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}
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#endif
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