mirror of https://github.com/axmolengine/axmol.git
220 lines
7.3 KiB
C
220 lines
7.3 KiB
C
|
/****************************************************************************
|
||
|
|
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
|
||
|
|
|
||
|
|
http://www.cocos2d-x.org
|
||
|
|
|
||
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
of this software and associated documentation files (the "Software"), to deal
|
||
|
|
in the Software without restriction, including without limitation the rights
|
||
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
copies of the Software, and to permit persons to whom the Software is
|
||
|
|
furnished to do so, subject to the following conditions:
|
||
|
|
|
||
|
|
The above copyright notice and this permission notice shall be included in
|
||
|
|
all copies or substantial portions of the Software.
|
||
|
|
|
||
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
THE SOFTWARE.
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifndef COCOS2DX_SCRIPT_LUA_COCOS2DX_SUPPORT_PLATFORM_ANDROID_LUA_JAVA_BRIDGE_H
|
||
|
|
#define COCOS2DX_SCRIPT_LUA_COCOS2DX_SUPPORT_PLATFORM_ANDROID_LUA_JAVA_BRIDGE_H
|
||
|
|
|
||
|
|
#include <jni.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <string>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
extern "C" {
|
||
|
|
#include "lua.h"
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define LUAJ_ERR_OK 0
|
||
|
|
#define LUAJ_ERR_TYPE_NOT_SUPPORT (-1)
|
||
|
|
#define LUAJ_ERR_INVALID_SIGNATURES (-2)
|
||
|
|
#define LUAJ_ERR_METHOD_NOT_FOUND (-3)
|
||
|
|
#define LUAJ_ERR_EXCEPTION_OCCURRED (-4)
|
||
|
|
#define LUAJ_ERR_VM_THREAD_DETACHED (-5)
|
||
|
|
#define LUAJ_ERR_VM_FAILURE (-6)
|
||
|
|
|
||
|
|
#define LUAJ_REGISTRY_FUNCTION "luaj_function_id" // table[function] = id
|
||
|
|
#define LUAJ_REGISTRY_RETAIN "luaj_function_id_retain" // table[id] = retain count
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @addtogroup lua
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Build a bridge between Java and Lua script.
|
||
|
|
* This mechanism make Lua and Java call each other easily.
|
||
|
|
*/
|
||
|
|
class LuaJavaBridge
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
///@cond
|
||
|
|
/**
|
||
|
|
* Bind callStaticMethod of LuaJavaBridge to Lua.
|
||
|
|
* In current mechanism, we could call LuaJavaBridge.callStaticMethod(className, methodName, args) in Lua directly.
|
||
|
|
* Meanwhile the callStaticMethod of LuaObjcBridge binding function is wrapped in the luaj.lua
|
||
|
|
*/
|
||
|
|
static void luaopen_luaj(lua_State *L);
|
||
|
|
///@endcond
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a reference count for the Lua functionId,and save this reference in the Lua table named luaj_function_id_retain.
|
||
|
|
*
|
||
|
|
* @param functionId the id of Lua function.
|
||
|
|
* @return the reference count of the functionId if luaj_function_id_retain table exists and the corresponding value for functionId exists, otherwise return 0.
|
||
|
|
*
|
||
|
|
* @lua NA
|
||
|
|
* @js NA
|
||
|
|
*/
|
||
|
|
static int retainLuaFunctionById(int functionId);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Release a reference count for the Lua functionId, If the reference count is still greater than 0,save this reference in the Lua table named luaj_function_id_retain.
|
||
|
|
* Otherwise, remove the reference about this functionId in the luaj_function_id table and the luaj_function_id_retain table by set the corresponding value nil.
|
||
|
|
*
|
||
|
|
* @param functionId the id of Lua function.
|
||
|
|
* @return the reference count of the functionId if the luaj_function_id table, the luaj_function_id_retain table and the corresponding value for functionId exists a reference count for the Lua functionId is still greater than 0, and otherwise return 0.
|
||
|
|
*
|
||
|
|
* @lua NA
|
||
|
|
* @js NA
|
||
|
|
*/
|
||
|
|
static int releaseLuaFunctionById(int functionId);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Call the Lua function corresponding to the functionId with the string pointer arg.
|
||
|
|
*
|
||
|
|
* @param functionId the values corresponding to the Lua function.
|
||
|
|
* @param arg the string pointer point to the argument.
|
||
|
|
* @return a number value returned from the Lua function when call successfully, otherwise return -1 or the opposite number for one of the three numbers LUA_ERRRUN, LUA_ERRMEM and LUA_ERRERR.
|
||
|
|
*
|
||
|
|
* @lua NA
|
||
|
|
* @js NA
|
||
|
|
*/
|
||
|
|
static int callLuaFunctionById(int functionId, const char *arg);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Call a global Lua function named functionName with the string pointer arg.
|
||
|
|
*
|
||
|
|
* @param functionName the name of global function.
|
||
|
|
* @param arg the string pointer point to the argument.
|
||
|
|
* @return a number value returned from the Lua function when call successfully, otherwise return -1 or the opposite number for one of the three numbers LUA_ERRRUN, LUA_ERRMEM and LUA_ERRERR.
|
||
|
|
*
|
||
|
|
* @lua NA
|
||
|
|
* @js NA
|
||
|
|
*/
|
||
|
|
static int callLuaGlobalFunction(const char *functionName, const char *arg);
|
||
|
|
|
||
|
|
private:
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
TypeInvalid = -1,
|
||
|
|
TypeVoid = 0,
|
||
|
|
TypeInteger = 1,
|
||
|
|
TypeFloat = 2,
|
||
|
|
TypeBoolean = 3,
|
||
|
|
TypeString = 4,
|
||
|
|
TypeVector = 5,
|
||
|
|
TypeFunction= 6,
|
||
|
|
} ValueType;
|
||
|
|
|
||
|
|
typedef vector<ValueType> ValueTypes;
|
||
|
|
|
||
|
|
typedef union
|
||
|
|
{
|
||
|
|
int intValue;
|
||
|
|
float floatValue;
|
||
|
|
int boolValue;
|
||
|
|
string *stringValue;
|
||
|
|
} ReturnValue;
|
||
|
|
|
||
|
|
class CallInfo
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CallInfo(const char *className, const char *methodName, const char *methodSig)
|
||
|
|
: m_valid(false)
|
||
|
|
, m_error(LUAJ_ERR_OK)
|
||
|
|
, m_className(className)
|
||
|
|
, m_methodName(methodName)
|
||
|
|
, m_methodSig(methodSig)
|
||
|
|
, m_returnType(TypeVoid)
|
||
|
|
, m_argumentsCount(0)
|
||
|
|
, m_retjs(NULL)
|
||
|
|
, m_env(NULL)
|
||
|
|
, m_classID(NULL)
|
||
|
|
, m_methodID(NULL)
|
||
|
|
{
|
||
|
|
memset(&m_ret, 0, sizeof(m_ret));
|
||
|
|
m_valid = validateMethodSig() && getMethodInfo();
|
||
|
|
}
|
||
|
|
~CallInfo();
|
||
|
|
|
||
|
|
bool isValid() {
|
||
|
|
return m_valid;
|
||
|
|
}
|
||
|
|
|
||
|
|
int getErrorCode() {
|
||
|
|
return m_error;
|
||
|
|
}
|
||
|
|
|
||
|
|
JNIEnv *getEnv() {
|
||
|
|
return m_env;
|
||
|
|
}
|
||
|
|
|
||
|
|
int argumentTypeAtIndex(size_t index) {
|
||
|
|
return m_argumentsType.at(index);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool execute();
|
||
|
|
bool executeWithArgs(jvalue *args);
|
||
|
|
int pushReturnValue(lua_State *L);
|
||
|
|
|
||
|
|
|
||
|
|
private:
|
||
|
|
bool m_valid;
|
||
|
|
int m_error;
|
||
|
|
|
||
|
|
string m_className;
|
||
|
|
string m_methodName;
|
||
|
|
string m_methodSig;
|
||
|
|
int m_argumentsCount;
|
||
|
|
ValueTypes m_argumentsType;
|
||
|
|
ValueType m_returnType;
|
||
|
|
|
||
|
|
ReturnValue m_ret;
|
||
|
|
jstring m_retjs;
|
||
|
|
|
||
|
|
JNIEnv *m_env;
|
||
|
|
jclass m_classID;
|
||
|
|
jmethodID m_methodID;
|
||
|
|
|
||
|
|
bool validateMethodSig();
|
||
|
|
bool getMethodInfo();
|
||
|
|
ValueType checkType(const string& sig, size_t *pos);
|
||
|
|
};
|
||
|
|
|
||
|
|
static int callJavaStaticMethod(lua_State *L);
|
||
|
|
static int retainLuaFunction(lua_State *L, int functionIndex, int *retainCountReturn);
|
||
|
|
static int getMethodInfo(CallInfo *call, const char *className, const char *methodName, const char *paramCode);
|
||
|
|
static int fetchArrayElements(lua_State *L, int index);
|
||
|
|
static int callAndPushReturnValue(lua_State *L, CallInfo *call, jvalue *args);
|
||
|
|
|
||
|
|
static lua_State *s_luaState;
|
||
|
|
static int s_newFunctionId;
|
||
|
|
};
|
||
|
|
|
||
|
|
// end group
|
||
|
|
/// @}
|
||
|
|
#endif //COCOS2DX_SCRIPT_LUA_COCOS2DX_SUPPORT_PLATFORM_ANDROID_LUA_JAVA_BRIDGE_H
|