/******************************************************************
* Code Restructure Tool                                          
*                                                                 
* Copyright (C) 2006  Ali Cheaito.  acheaito@gmail.com
*                                                                  
* This program is free software; you can redistribute it and/or    
* modify it under the terms of the GNU General Public License   
* as published by the Free Software Foundation; either version 2 
* of the License, or (at your option) any later version.           
*                                                                  
* This program is distributed in the hope that it will be useful,   
* but WITHOUT ANY WARRANTY; without even the implied warranty of   
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the     
* GNU General Public License for more details.                     
*                                                                  
* to receive a copy of the GNU General Public License visit the    
* GNU website at http://www.gnu.org/copyleft/gpl.html              
*******************************************************************/
#include <iostream>
#include <fstream>
#include <string>

#define MAXLINE 255
#define IDENTSIZE 4

std::string stripString(std::string target)
{	
    std::string temp = "";
    int i = 0;
    while (target[i] == ' '  || target[i] == '\t'){i++;}
    while (target[i] != '\0') {temp += target[i++];}		                 
    return temp;
}

std::string identLine(std::string currLine, int &identLevel)
{
    std::string identSpaces = "", outLine = "";
    bool incString = false, incSubString = false, skipIdent = false;
    
    for (int i = 0; currLine[i] != '\0' && i < MAXLINE; i++)
    {	
        if (currLine[i] == '"') incString=(incString?false:true);
        if (currLine[i] == 39) incSubString=(incSubString?false:true);        

        if (currLine[i] == '{' && (!incString && !incSubString))
        {
            skipIdent = true;
            identLevel++;
        }

        if (currLine[i] == '}' && (!incString && !incSubString))
        {
            skipIdent = false;
            identLevel--;
        }
    }

    for (int j = 0; j < (skipIdent?(IDENTSIZE*(identLevel-1)):(IDENTSIZE*identLevel)) 
			&& j < (MAXLINE/2) ; j++)
    identSpaces += ' ';
    outLine += identSpaces;
    outLine += currLine;    

    return outLine;
}

int main(int argc, char *argv[])
{
    if (argc != 3)
    {
        std::cout<<"Usage: "<<argv[0]<<" InputFile OutputFile\n";
        exit(1);
    }
    std::string currLine, outLine;
    std::ifstream fin(argv[1]);
    std::ofstream fout(argv[2]);
    int identLevel = 0;
    
    while (fin)
    {		
        currLine = "";
        getline(fin,currLine);
        currLine = stripString(currLine);
        outLine = identLine(currLine,identLevel);
        fout<<outLine<<'\n';
    }

    fin.close();
    fout.close();
    std::cout<<"Done, check "<<argv[2]<<"\n";
    return 0;

}