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/*
* Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mozjs/jsapi.h"
#include "content/content.h"
#include "javascript/global.h"
#include "javascript/js.h"
#include "utils/log.h"
static JSRuntime *rt; /* global runtime */
void js_initialise(void)
{
/* Create a JS runtime. */
#if JS_VERSION >= 180
JS_SetCStringsAreUTF8(); /* we prefer our runtime to be utf-8 */
#endif
rt = JS_NewRuntime(8L * 1024L * 1024L);
LOG(("New runtime handle %p", rt));
}
void js_finalise(void)
{
if (rt != NULL) {
LOG(("destroying runtime handle %p", rt));
JS_DestroyRuntime(rt);
}
JS_ShutDown();
}
/* The error reporter callback. */
static void js_reportError(JSContext *cx, const char *message, JSErrorReport *report)
{
LOG(("%s:%u:%s\n",
report->filename ? report->filename : "<no filename>",
(unsigned int) report->lineno,
message));
}
jscontext *js_newcontext(void)
{
JSContext *cx;
if (rt == NULL) {
return NULL;
}
cx = JS_NewContext(rt, 8192);
if (cx == NULL) {
return NULL;
}
JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_JIT );
JS_SetVersion(cx, JSVERSION_LATEST);
JS_SetErrorReporter(cx, js_reportError);
LOG(("New Context %p", cx));
return (jscontext *)cx;
}
void js_destroycontext(jscontext *ctx)
{
JSContext *cx = (JSContext *)ctx;
if (cx != NULL) {
LOG(("Destroying Context %p", cx));
JS_DestroyContext(cx);
}
}
/* The class of the global object. */
static JSClass global_class = {
"global",
JSCLASS_GLOBAL_FLAGS,
JS_PropertyStub,
JS_PropertyStub,
JS_PropertyStub,
#if JS_VERSION <= 180
JS_PropertyStub,
#else
JS_StrictPropertyStub,
#endif
JS_EnumerateStub,
JS_ResolveStub,
JS_ConvertStub,
JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
jsobject *js_newcompartment(jscontext *ctx, struct content* c)
{
JSContext *cx = (JSContext *)ctx;
JSObject *global;
if (cx == NULL) {
return NULL;
}
#if JS_VERSION <= 180
global = JS_NewObject(cx, &global_class, NULL, NULL);
if (global == NULL) {
return NULL;
}
JS_SetGlobalObject(cx, global);
#else
global = JS_NewCompartmentAndGlobalObject(cx, &global_class, NULL);
if (global == NULL) {
return NULL;
}
#endif
JS_SetContextPrivate(cx, c); /* private pointer to content */
js_new_globalfunc(cx, global);
/* Populate the global object with the standard globals, like
Object and Array. */
if (!JS_InitStandardClasses(cx, global)) {
return NULL;
}
LOG(("Created new global object %p", global));
return (jsobject *)global;
}
bool js_exec(jscontext *ctx, const char *txt, int txtlen)
{
JSContext *cx = (JSContext *)ctx;
//LOG(("%p \"%s\"",cx ,txt));
if (ctx == NULL) {
return false;
}
if (txt == NULL) {
return false;
}
if (txtlen == 0) {
return false;
}
if (JS_EvaluateScript(cx,
JS_GetGlobalObject(cx),
txt, txtlen,
"<head>", 0, NULL) == JS_TRUE) {
return true;
}
return false;
}
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