<?php

/**
 HOW TO USE:

 $ cd cocos2d-x/tools/tolua++
 $ php bulld.php

  DONE.
 */

defined('DS') or define('DS', DIRECTORY_SEPARATOR);
define('SRC_DIR', __DIR__ . DS);
define('OUT_DIR', dirname(__DIR__) . '/../scripting/lua/cocos2dx_support/');
define('TOLUA_BIN', (DS == '\\') ? 'tolua++.exe' : '/usr/local/bin/tolua++');

class Builder
{
    private $_extensionName;
    private $_luabindingFilename;
    private $_inputPath;
    private $_outputCppPath;
    private $_outputHeaderPath;
    private $_luaopenFunctionName;
    private $_fix;

    function __construct($extensionName, $luabindingFilename, $fix)
    {
        $this->_extensionName = $extensionName;
        $this->_luabindingFilename = $luabindingFilename;
        $this->_inputPath = SRC_DIR . $extensionName . '.pkg';
        $this->_outputCppPath = OUT_DIR . $luabindingFilename . '.cpp';
        $this->_outputHeaderPath = OUT_DIR . $luabindingFilename . '.h';
        $this->_luaopenFunctionName = sprintf('tolua_%s_open', $extensionName);
        $this->_fix = $fix;
    }

    function build()
    {
        $command = sprintf('%s -L basic.lua -o %s %s',
                           TOLUA_BIN, $this->_outputCppPath, $this->_inputPath);

        printf("  creating file: %s.cpp\n", $this->_luabindingFilename);
        printf("  command: %s\n", $command);
        passthru($command);

        if (file_exists($this->_outputCppPath))
        {
            $this->_fixLuabindingFile();
        }

        $includeOnce = sprintf('__%s_H_', strtoupper($this->_luabindingFilename));
        $functionName = $this->_luaopenFunctionName;
        $header = <<<EOT

#ifndef ${includeOnce}
#define ${includeOnce}

extern "C" {
#include "tolua++.h"
#include "tolua_fix.h"
}
#include "cocos2d.h"

using namespace cocos2d;

TOLUA_API int ${functionName}(lua_State* tolua_S);

#endif // ${includeOnce}

EOT;
        printf("  creating file: %s.h\n", $this->_luabindingFilename);
        // file_put_contents($this->_outputHeaderPath, $header);
    }

    function getLuaopenFunctionName()
    {
        return $this->_luaopenFunctionName;
    }

    private function _fixLuabindingFile()
    {
        $contents = file_get_contents($this->_outputCppPath);
        $contents = str_replace("\t", '    ', $contents);
        foreach ($this->_fix as $find => $replace)
        {
            $find = str_replace('##EXTENSION_NAME##', $this->_extensionName, $find);
            $replace = str_replace('##EXTENSION_NAME##', $this->_extensionName, $replace);

            $contents = str_replace($find, $replace, $contents);
        }

        file_put_contents($this->_outputCppPath, $contents);
    }
}

$FIX = array();

// remove unused header
$find = <<<EOT

#ifndef __cplusplus
#include "stdlib.h"
#endif
#include "string.h"

#include "tolua++.h"
EOT;
$replace = '
/****************************************************************************
 Copyright (c) 2011 cocos2d-x.org

 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.
 ****************************************************************************/

';
$FIX[$find] = $replace;

// remove unused functions
$find = <<<EOT
/* Exported function */
TOLUA_API int  tolua_##EXTENSION_NAME##_open (lua_State* tolua_S);
EOT;
$replace = '';
$FIX[$find] = $replace;

// fix
$find = 'unsigned void* tolua_ret = (unsigned void*)  self->getTiles();';
$replace = 'unsigned int* tolua_ret = (unsigned int*)  self->getTiles();';
$FIX[$find] = $replace;

$find = 'ccColor3B color = *((ccColor3B*)  tolua_tousertype(tolua_S,4,(void*)&(const ccColor3B)ccBLACK));';
$replace = 'const ccColor3B clr = ccBLACK;
ccColor3B color = *((ccColor3B*)  tolua_tousertype(tolua_S,4,(void*)&clr));';
$FIX[$find] = $replace;

// fix LUA_FUNCTION
$find = '*((LUA_FUNCTION*)';
$replace = '(';
$FIX[$find] = $replace;

$find = 'tolua_usertype(tolua_S,"LUA_FUNCTION");';
$replace = '';
$FIX[$find] = $replace;

// fix LUA_TABLE
$find = '*((LUA_TABLE*)';
$replace = '(';
$FIX[$find] = $replace;

$find = 'tolua_usertype(tolua_S,"LUA_TABLE");';
$replace = '';
$FIX[$find] = $replace;

$find = <<<EOT
{
#ifdef __cplusplus
    void* tolua_obj = Mtolua_new((LUA_TABLE)(tolua_ret));
     tolua_pushusertype(tolua_S,tolua_obj,"LUA_TABLE");
    tolua_register_gc(tolua_S,lua_gettop(tolua_S));
#else
    void* tolua_obj = tolua_copy(tolua_S,(void*)&tolua_ret,sizeof(LUA_TABLE));
     tolua_pushusertype(tolua_S,tolua_obj,"LUA_TABLE");
    tolua_register_gc(tolua_S,lua_gettop(tolua_S));
#endif
   }
EOT;
$replace = '';
$FIX[$find] = $replace;

$find = 'LUA_TABLE tolua_ret = (LUA_TABLE)';
$replace = '';
$FIX[$find] = $replace;

$find = <<<EOT
static int tolua_collect_LUA_TABLE (lua_State* tolua_S)
{
 LUA_TABLE* self = (LUA_TABLE*) tolua_tousertype(tolua_S,1,0);
    Mtolua_delete(self);
    return 0;
}
EOT;
$replace = '';
$FIX[$find] = $replace;

// fix push ccobject
$find = 'toluafix_pushusertype_ccobject(tolua_S,(void*)tolua_ret';
$replace = <<<EOT
int nID = (tolua_ret) ? (int)tolua_ret->m_uID : -1;
    int* pLuaID = (tolua_ret) ? &tolua_ret->m_nLuaID : NULL;
    toluafix_pushusertype_ccobject(tolua_S, nID, pLuaID, (void*)tolua_ret
EOT;
$FIX[$find] = $replace;

// fix LUA_STRING
$find = '((LUA_STRING*)';
$replace = '(';
$FIX[$find] = $replace;

$find = 'tolua_usertype(tolua_S,"LUA_STRING");';
$replace = '';
$FIX[$find] = $replace;

$find = <<<EOT
{
#ifdef __cplusplus
    void* tolua_obj = Mtolua_new((LUA_STRING)(tolua_ret));
     tolua_pushusertype(tolua_S,tolua_obj,"LUA_STRING");
    tolua_register_gc(tolua_S,lua_gettop(tolua_S));
#else
    void* tolua_obj = tolua_copy(tolua_S,(void*)&tolua_ret,sizeof(LUA_STRING));
     tolua_pushusertype(tolua_S,tolua_obj,"LUA_STRING");
    tolua_register_gc(tolua_S,lua_gettop(tolua_S));
#endif
   }
EOT;
$replace = '';
$FIX[$find] = $replace;

$find = 'LUA_STRING tolua_ret = (LUA_STRING)';
$replace = '';
$FIX[$find] = $replace;

$find = <<<EOT
static int tolua_collect_LUA_STRING (lua_State* tolua_S)
{
 LUA_STRING* self = (LUA_STRING*) tolua_tousertype(tolua_S,1,0);
    Mtolua_delete(self);
    return 0;
}
EOT;
$replace = '';
$FIX[$find] = $replace;

// main
printf("\nOUT_DIR: %s\n", OUT_DIR);

$builder = new Builder('Cocos2d', 'LuaCocos2d', $FIX);
$builder->build();