mirror of https://github.com/axmolengine/axmol.git
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2012 cocos2d-x.org
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "Cocos2dxLuaLoader.h"
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#include <string>
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#include <algorithm>
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#include "CCLuaStack.h"
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#include "CCLuaEngine.h"
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using namespace cocos2d;
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extern "C"
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{
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int cocos2dx_lua_loader(lua_State *L)
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{
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static const std::string BYTECODE_FILE_EXT = ".luac";
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static const std::string NOT_BYTECODE_FILE_EXT = ".lua";
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std::string filename(luaL_checkstring(L, 1));
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size_t pos = filename.rfind(BYTECODE_FILE_EXT);
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if (pos != std::string::npos)
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{
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filename = filename.substr(0, pos);
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}
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else
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{
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pos = filename.rfind(NOT_BYTECODE_FILE_EXT);
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if (pos == filename.length() - NOT_BYTECODE_FILE_EXT.length())
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{
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filename = filename.substr(0, pos);
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}
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}
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pos = filename.find_first_of(".");
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while (pos != std::string::npos)
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{
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filename.replace(pos, 1, "/");
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pos = filename.find_first_of(".");
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}
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// search file in package.path
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unsigned char* chunk = nullptr;
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ssize_t chunkSize = 0;
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std::string chunkName;
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FileUtils* utils = FileUtils::getInstance();
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lua_getglobal(L, "package");
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lua_getfield(L, -1, "path");
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std::string searchpath(lua_tostring(L, -1));
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lua_pop(L, 1);
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size_t begin = 0;
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size_t next = searchpath.find_first_of(";", 0);
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do
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{
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if (next == std::string::npos)
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next = searchpath.length();
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std::string prefix = searchpath.substr(begin, next);
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if (prefix[0] == '.' && prefix[1] == '/')
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{
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prefix = prefix.substr(2);
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}
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pos = prefix.find("?.lua");
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chunkName = prefix.substr(0, pos) + filename + BYTECODE_FILE_EXT;
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if (utils->isFileExist(chunkName))
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{
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chunk = utils->getFileData(chunkName.c_str(), "rb", &chunkSize);
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break;
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}
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else
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{
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chunkName = prefix.substr(0, pos) + filename + NOT_BYTECODE_FILE_EXT;
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if (utils->isFileExist(chunkName))
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{
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chunk = utils->getFileData(chunkName.c_str(), "rb", &chunkSize);
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break;
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}
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}
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begin = next + 1;
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next = searchpath.find_first_of(";", begin);
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} while (begin < (int)searchpath.length());
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if (chunk)
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{
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LuaStack* stack = LuaEngine::getInstance()->getLuaStack();
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stack->luaLoadBuffer(L, (char*)chunk, (int)chunkSize, chunkName.c_str());
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delete []chunk;
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}
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else
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{
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CCLOG("can not get file data of %s", chunkName.c_str());
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return 0;
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}
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return 1;
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}
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}
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