mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
134 lines
3.1 KiB
C++
134 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "jsapi.h"
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/* this is handy wrapper around JSAPI to make it more pleasant to use.
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* We collect the JSAPI errors and so that callers don't need to */
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class JSObjectBuilder
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{
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public:
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void DefineProperty(JSObject *aObject, const char *name, JSObject *aValue)
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{
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if (!mOk)
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return;
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mOk = JS_DefineProperty(mCx, aObject, name, OBJECT_TO_JSVAL(aValue), NULL, NULL, JSPROP_ENUMERATE);
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}
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void DefineProperty(JSObject *aObject, const char *name, int value)
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{
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if (!mOk)
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return;
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mOk = JS_DefineProperty(mCx, aObject, name, INT_TO_JSVAL(value), NULL, NULL, JSPROP_ENUMERATE);
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}
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void DefineProperty(JSObject *aObject, const char *name, double value)
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{
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if (!mOk)
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return;
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mOk = JS_DefineProperty(mCx, aObject, name, DOUBLE_TO_JSVAL(value), NULL, NULL, JSPROP_ENUMERATE);
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}
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void DefineProperty(JSObject *aObject, const char *name, nsAString &value)
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{
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if (!mOk)
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return;
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const nsString &flat = PromiseFlatString(value);
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JSString *string = JS_NewUCStringCopyN(mCx, static_cast<const jschar*>(flat.get()), flat.Length());
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if (!string)
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mOk = JS_FALSE;
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if (!mOk)
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return;
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mOk = JS_DefineProperty(mCx, aObject, name, STRING_TO_JSVAL(string), NULL, NULL, JSPROP_ENUMERATE);
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}
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void DefineProperty(JSObject *aObject, const char *name, const char *value, size_t valueLength)
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{
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if (!mOk)
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return;
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JSString *string = JS_NewStringCopyN(mCx, value, valueLength);
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if (!string) {
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mOk = JS_FALSE;
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return;
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}
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mOk = JS_DefineProperty(mCx, aObject, name, STRING_TO_JSVAL(string), NULL, NULL, JSPROP_ENUMERATE);
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}
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void DefineProperty(JSObject *aObject, const char *name, const char *value)
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{
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DefineProperty(aObject, name, value, strlen(value));
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}
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void ArrayPush(JSObject *aArray, int value)
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{
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if (!mOk)
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return;
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jsval objval = INT_TO_JSVAL(value);
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uint32_t length;
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mOk = JS_GetArrayLength(mCx, aArray, &length);
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if (!mOk)
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return;
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mOk = JS_SetElement(mCx, aArray, length, &objval);
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}
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void ArrayPush(JSObject *aArray, JSObject *aObject)
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{
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if (!mOk)
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return;
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jsval objval = OBJECT_TO_JSVAL(aObject);
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uint32_t length;
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mOk = JS_GetArrayLength(mCx, aArray, &length);
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if (!mOk)
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return;
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mOk = JS_SetElement(mCx, aArray, length, &objval);
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}
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JSObject *CreateArray() {
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JSObject *array = JS_NewArrayObject(mCx, 0, NULL);
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if (!array)
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mOk = JS_FALSE;
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return array;
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}
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JSObject *CreateObject() {
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JSObject *obj = JS_NewObject(mCx, NULL, NULL, NULL);
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if (!obj)
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mOk = JS_FALSE;
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return obj;
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}
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// We need to ensure that this object lives on the stack so that GC sees it properly
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JSObjectBuilder(JSContext *aCx) : mCx(aCx), mOk(JS_TRUE)
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{
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}
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private:
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JSObjectBuilder(JSObjectBuilder&);
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JSContext *mCx;
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JSObject *mObj;
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JSBool mOk;
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};
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