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//
// Licensed under the Apache License, Version 2.0 (the License);
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef __TIZEN_COMMON_JSARRAY_H__
#define __TIZEN_COMMON_JSARRAY_H__
#include <JavaScriptCore/JavaScript.h>
#include <vector>
#include "JSUtil.h"
namespace DeviceAPI {
namespace Common {
class JSArrayBase{
public:
JSArrayBase( JSContextRef context, JSObjectRef array );
JSArrayBase( JSContextRef context );
virtual ~JSArrayBase();
size_t size() const;
void resize(size_t size);
JSValueRef get(int index) const;
bool set(int index, JSValueRef value);
bool append(JSValueRef value);
protected:
JSContextRef mContext;
JSObjectRef mArray;
};
template <typename T>
class JSArray : protected JSArrayBase{
friend class ItemProxy;
public:
typedef JSValueRef (*ToJSFunction)(JSContextRef, T);
typedef T (*ToNativeFunction)(JSContextRef, JSValueRef );
JSArray( JSContextRef context, JSObjectRef array, ToNativeFunction nativefun, ToJSFunction jsfun)
:JSArrayBase(context,array),mToNative(nativefun), mToJs(jsfun) {
}
JSArray( JSContextRef context, ToNativeFunction nativefun, ToJSFunction jsfun)
:JSArrayBase(context),mToNative(nativefun), mToJs(jsfun) {
}
~JSArray(){
}
class ItemProxy {
JSArray<T> *mArray;
int mIndex;
public:
ItemProxy(JSArray<T>* array, int index):mArray(array), mIndex(index){
}
operator T(){
return mArray->mToNative(mArray->mContext, mArray->get(mIndex));
}
ItemProxy& operator=( const T native){
JSValueRef v = mArray->mToJs(mArray->mContext, native);
mArray->set(mIndex, v);
return *this;
}
ItemProxy& operator=( const ItemProxy& other){
JSValueRef v = other.mArray->get(other.mIndex);
mArray->set(mIndex, v);
return *this;
}
};
size_t size() const{
return JSArrayBase::size();
}
void resize(size_t size){
JSArrayBase::resize(size);
}
bool append( T v){
return JSArrayBase::set( size(), mToJs(mContext, v));
}
ItemProxy operator[]( int index ){
return ItemProxy(this, index);
}
operator JSObjectRef(){
return mArray;
}
operator std::vector<T>(){
std::vector<T> v;
size_t length = size();
for( unsigned int i = 0 ; i < length ; i++){
JSValueRef t = get(i);
T tmp = mToNative(mContext, t);
v.push_back(tmp);
}
return v;
}
void operator=( const std::vector<T>& list ){
overwrite(list);
}
void operator=( const JSArray<T>& rhs){
resize(rhs.size());
for(unsigned int i = 0 ; i < rhs.size(); i++){
set(i, rhs.get(i));
}
}
protected:
void overwrite( const std::vector<T>& list ){
unsigned int i;
unsigned int listSize = list.size();
resize(listSize);
for( i = 0 ; i < listSize ; i++){
JSValueRef v = mToJs(mContext, list[i]);
set(i, v);
}
}
private:
ToNativeFunction mToNative;
ToJSFunction mToJs;
};
class JSStringArray : public JSArray<std::string>{
static JSValueRef makeJSValue(JSContextRef ctx, std::string v){
return JSUtil::toJSValueRef(ctx, v);
}
public:
JSStringArray(JSContextRef ctx, JSObjectRef array): JSArray<std::string>(ctx, array, JSUtil::JSValueToString, makeJSValue){}
JSStringArray(JSContextRef ctx): JSArray<std::string>(ctx, JSUtil::JSValueToString, makeJSValue){}
void operator=( const std::vector<std::string>& list ){overwrite(list);}
};
class JSLongArray : public JSArray<long>{
static JSValueRef makeJSValue(JSContextRef ctx, long v){
return JSUtil::toJSValueRef(ctx, v);
}
public:
JSLongArray(JSContextRef ctx, JSObjectRef array): JSArray<long>(ctx, array, JSUtil::JSValueToLong, makeJSValue){}
JSLongArray(JSContextRef ctx): JSArray<long>(ctx, JSUtil::JSValueToLong, makeJSValue){}
void operator=( const std::vector<long>& list ){overwrite(list);}
};
}
}
#endif //__TIZEN_COMMON_JSARRAY_H__
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