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// app_extractJSFunction.jse
// + sakura macro folder
//    + app_extractJSFunction.jse  
//    + lib  
//    + app_extractJSFunction  
//      + config  
//        + setting.js  
// 
(function(){

// const
var CONS_COMMON_LIBPATH = 'G:\\Users\\sakai\\AppData\\Roaming\\sakura';
var CONS_COMMON_LIBS = [
  //"./lib/es5-shim.js",
  //"./lib/json2.js",
  //"./lib/DateUtil.jse",
  //"./lib/StringUtil.jse",
  //"./lib/Clipboard3.jse",
  //"./lib/ClipboardGetter.jse",
  //"./lib/Template.jse",
  //"./lib/Dialog.jse",
  //"./app_extractJSFunctionBlock/config/setting.js",
]

var CONS_LOCAL_LIBPATH = '';
var CONS_LOCAL_LIBS = [
  //"./config/setting.js",
]

// commonalized for js   /////////////////////////////////////////////
// load external libraries
var check_env = function(){
  // set env_name for targetting wsh, sakura, node
  var env_name = '';
  if (typeof(WScript) !== "undefined") env_name = 'wsh';
  if (typeof(Editor) !== "undefined") env_name = 'sakura';
  if (typeof(alert) !== "undefined") {env_name = 'browser';}
  else if (typeof(console) !== "undefined") env_name = 'node';
  return env_name;
}
var flag = check_env();
var CONFIG = {};

if(flag == "wsh"||flag == "sakura"){
  var objFS = new ActiveXObject("Scripting.FileSystemObject");
  var lib_path = CONS_COMMON_LIBPATH ? CONS_COMMON_LIBPATH: './';
  var llib_path = CONS_LOCAL_LIBPATH ? CONS_LOCAL_LIBPATH: '';
  // require common module
  with({
    libs : CONS_COMMON_LIBS, 
    llibs : CONS_LOCAL_LIBS,
    get_moduleCode : function(path){
      return objFS.OpenTextFile(path,1).ReadAll();
    }
  }) {
    var len = libs.length;
    for (var i = 0; i < len; i++){
      try {
        var module_path = objFS.BuildPath(lib_path,libs[i]);
        eval(get_moduleCode(module_path));
      } catch (e) {
        //console.log( e.description || e.message || "error" );
        null;
      }
    }
    var llen = llibs.length;
    for (var i = 0; i < llen; i++){
      try {
        var module_path = objFS.BuildPath(llib_path,llibs[i]);
        //Editor.TraceOut(module_path);
        eval(get_moduleCode(module_path));
      } catch (e) {
        //console.log( e.description || e.message || "error" );
        null;
      }
    }
  };
  objFS = null;
}

var debug_mode = CONFIG.DEBUG_MODE || false;

// pretend console.log 
var console = console || {};
if(console){
  if(debug_mode){
    var typeOf = function(obj) {
      return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase();
    }
    var stringify_object = function(obj){
      if(typeOf(obj) !== 'object') return obj;
      var ary = [];
      for(var k in obj){
        if(obj.hasOwnProperty(k)){
          if(typeOf(obj) === 'boolean'){
            ary.push('"' + k + '"' + " : " +  stringify_object(obj[k]) + ' ');
          }else if(typeOf(obj) === 'number'){
            ary.push('"' + k + '"' + " : " +  stringify_object(obj[k]) + ' ');
          }else if(typeOf(obj) === 'array'){
            ary.push('"' + k + '"' + " : " +  stringify_object(obj[k]) + ' ');
          }else if(typeOf(obj) !== 'object'){
            ary.push('"' + k + '"' + " : " + '"' + stringify_object(obj[k]) + '" ');
          }else{
            ary.push('"' + k + '"' + " : " + stringify_object(obj[k]) + ' ');
          }
        }
      }
      var temp = ary.toString();
      temp = temp.substr(0, temp.length -1);
      return "{ " + temp + " }"
    }
    if(flag == "sakura"){
      console.log=function(str){
        var log_str = "[DEBUG] $d$t ($f) > " + str;
        Editor.TraceOut(log_str,1)
      }
      console.info=function(str){
        var log_str = "[INFO] $d$t ($f) > " + str;
        Editor.TraceOut(log_str,1)
      }
      console.dir = function(obj){
        var str = "[DUMP] $d$t ($f) > " + stringify_object(obj);
        Editor.TraceOut(str,1);
      }
    };
    if(flag == "wsh"){
      console.info = function(str){WScript.Echo('[INFO] ' + str)};
      console.log = function(str){WScript.Echo('[DEBUG] ' + str)};
      console.dir = function(obj){
        var str = stringify_object(obj);
        WScript.Echo('[DUMP] ' + str);
      }
    }
  }else{
    if(flag == "wsh")  console.info = function(str){WScript.Echo(str)};
    if(flag == "sakura")  console.info =function(str){Editor.InfoMsg(str)};
    if(flag == "wsh")  console.log = function(str){null;};
    if(flag == "sakura")  console.log = function(str){null;};
    if(flag == "wsh")  console.dir = function(str){null;};
    if(flag == "sakura")  console.dir = function(str){null;};
  }
}

// pretend process.exit
if(typeof(process) === "undefined"){
  if(flag == "wsh")  process={exit : function(e){WScript.Quit(e)}};
  if(debug_mode){
    if(flag == "sakura")  process={exit : function(e){Editor.TraceOut('done')}};
  }else{
    if(flag == "sakura")  process={exit : function(e){'done'}};
  }
}

// local functions
// 
var find_closingBracket = function(str, brackets) {
  if(typeof brackets === 'undefined') brackets = '{}';
  var ary = str.split('');
  var ary_brackets = brackets.split('');
  if (str.indexOf(ary_brackets[1]) === -1) {
    return -1;
  }
  var level = 0;
  for (var i = 0; i < ary.length; i++) {
    if (ary[i] === ary_brackets[0]) {
      level++;
    } else if (ary[i] === ary_brackets[1]) {
      level--;
      if (level <= 0) {
        return i;
      }
    }
    // Editor.TraceOut("ary[i] = " + ary[i]);
    // Editor.TraceOut("level = " + level);
  }
  return -1;
}

var search_prevWithRegx = function(regx) {
  var ret = 1; // top
  //Editor.TraceOut(regx.toString());
  var searchOpt = '4'; // search with regexp
  Editor.Down();
  Editor.SearchPrev(regx, searchOpt);
  ret = Editor.GetSelectLineFrom();
  if(ret == 1){
    var reCheck = Editor.SearchNext(regx, searchOpt);
    if(ret === reCheck){
      ret = 1;
    } else {
      ret = 0;
    }
  }
  return ret;
}

var get_lines = function(start_line_num, end_line_num){
  if(typeof end_line_num === 'undefined'){
    end_line_num = Editor.GetLineCount(0);
  }
  if(typeof start_line_num === 'undefined'){
    start_line_num = 1;
  }
  Editor.MoveHistSet();
  Editor.Jump(start_line_num);
  Editor.BeginSelect();
  Editor.Jump(end_line_num + 1);
  var lines = Editor.GetSelectedString(0);
  Editor.CancelMode();
  Editor.MoveHistPrev();
  return lines;
}

var extract_functionBlock = function(){
  // RegExp of js func for ES3
  var extracted = '';
  var regx = [
    "^\\s*[\\w_]+\\.[\\w_]+\\s*\\=\\s*function\\s*\\(",
    "^\\s*[\\w_]+\\s*\\=\\s*function\\s*\\(",
    "^\\s*var\\s+[\\w_]+\\s*\\=\\s*function\\s*\\(",
    "^\\s*function\\s*[\\w\\d_]+\\([\\w\\d_\\, ]*\\)\\s*"
    ].join('|'); 
  var start_line_num = search_prevWithRegx(regx);
  if(start_line_num == 1) {
    return extracted;
  }
  var textBelow = get_lines(start_line_num);
  var str_pos = find_closingBracket(textBelow, '{}');
  extracted = textBelow.substr(0,str_pos + 1);
  Editor.Jump(start_line_num);
  Editor.SearchClearMark();
  //Editor.TraceOut(extracted);
  return extracted;
}

var get_template = function(herestrings, sep){
  sep = sep || '\r\n';
  var template = herestrings.toString().split(sep).slice(2,-2).join(sep);
  return template;
}

var show_menu = function(isDisplay){
  if(typeof(isDisplay) === 'undefined') isDisplay = true;
  var ope = 0;
  var menu_statement = function(){
/**
1. extract functionBlock(&e),
*/
  }
  if(isDisplay){
    var menu_ = get_template(menu_statement)
    ope = Editor.CreateMenu( 1, menu_);
    // console.log(menu_statement);
    // console.log(ope);
    return ope;
  } else {
    return ope;
  }
}

var output_display = function(str){
  if(Editor.isTextSelected){
    //Editor.InsText(str);
    //Editor.TraceOut(str);
    null; // clearするため通らない
  } else {
    if(str){
      Editor.SetClipboard(0,str)
      Editor.TraceOut(str);
    }else{
      null;
    }
  }
}

// do process   --------------------------------------------------
//
var doProcess = function(menu_selected){
  console.log('------------------------- start');
  console.log('APP : ' + CONFIG.APP_NAME || 'no setting.js');
  // Export Library
  //var StringUtil = exports.StringUtil;
  
  // pre-process
  var ope = 0;
  if (typeof menu_selected !== 'undefined'){
    ope = menu_selected;
  } else {
    ope = show_menu();
  }
  // main process for selected menu's one
  if(ope == 1){
    //1. extract function(&e),
    var formatted = extract_functionBlock();
  }
  
  // post-process 
  if(ope !== 0){
    output_display(formatted);
  }
  // for debug
  if(debug_mode){
    console.log('ope = ' + ope);
    console.log('formatted = ' + formatted);
  }
}

// ------------------------------------------------ entry point
// 
if(typeof(Editor) !== 'undefined'){
  var menu_selected = 1;
  process.exit(doProcess(menu_selected));
  
} else {
  if(typeof(WScript) !== 'undefined'){
    WScript.Echo('[Warn] Opps! Sorry. This app is for Sakura Ediotr.');
  } else {
    console.log('[Warn] Opps! Sorry. This app is for Sakura Ediotr.');
  }
}

}())

var CONFIG = {
  "DEBUG_MODE": false,
  "APP_NAME": "app_extractJSFunctionBlock.jse",
}