/***************************************************************************
                                htmlcompress.c
                          -------------------
    begin                : Fri Mar 21 01:05:09 CST 2003
    copyright            : (C) 2003 by Andy Ruder
    email                : aeruder@yahoo.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.                                   *
 *                                                                         *
 ***************************************************************************/
/***************************************************************************/
/**           File      : HTMLCOMP.H -- Main include file                 **/
/**           Program   : HTML Compressor                                 **/
/**           Developer : Andy Ruder                                      **/
/**           Contact   : Email - aeruder@yahoo.com                       **/
/**           Copyright (C) 2003 Andy Ruder                               **/
/***************************************************************************/

/*********************************DEFINES***********************************/
#define VERSION_MAJOR   1
#define VERSION_MINOR   1

/********************************VARIABLES**********************************/
extern char error_message[500];

/**************************FUNCTION DECLARATIONS****************************/

void compress(int number, char *htmlfile);

void get_name(int number, char *name);

/**********************************INCLUDES*********************************/
    #include <stdio.h>
    #include <string.h>
    #include <stdlib.h>

    #include "htmlcompress.h"
    
/******************************GLOBAL VARIABLES*****************************/
    char error_message[500] = "";

/************************************MAIN***********************************/

int main(int argc, char *argv[])
   {
    int main_loop;
    printf("HTML Compressor by Andy Ruder.\n\r");

    for (main_loop = 1; main_loop < argc; main_loop++)
       {
        compress(main_loop, argv[main_loop]);

        if (strlen(error_message) != 0)
           {
            printf("\n\r");
            printf("%s\n\r", error_message);
            return -1;
           }
       }


    return 0;
   }

/*****************************START COMPRESSING*****************************/
void compress(int number, char *htmlfile)
   {
    FILE *infile;
    FILE *outfile;

    char *name, *buffer;

    int write_flag, bytes_read, current_byte, abort_flag;
    char this_byte, last_byte;

    buffer = calloc(64000, 1);
    name = calloc(100, 1);

    infile = fopen(htmlfile, "rb");

    if (infile == NULL)
       {
        sprintf(error_message, "Could not open input file : %s", htmlfile);
        return;
       }

    get_name(number, name);
    remove(name);

    outfile = fopen(name, "wb");

    if (outfile == NULL)
       {
        sprintf(error_message, "Could not open output file : %s", name);
        return;
       }

 

    last_byte = 255;
    abort_flag = 0;

    while(!abort_flag)
       {
        current_byte = 0;
        bytes_read = fread(buffer, 1, 64000, infile);

        while(current_byte < bytes_read)
           {
            write_flag = 1;
            this_byte = buffer[current_byte];

            if ((this_byte == ' ') && (last_byte == ' '))
               {
                write_flag = 0;
               }
/*          if ((this_byte == ' ') && (last_byte = '>'))
               {
                write_flag = 0;
               }                                            */
	    if (this_byte == 9)
               {
                this_byte = 32;
               }
            if (this_byte == 13)
               {
                write_flag = 0;
               }
            if (this_byte == 10)
               {
                write_flag = 0;
               }

            if (write_flag)
               {
                fputc(this_byte, outfile);
                last_byte = this_byte;
               }
            current_byte++;
           }

        if (!bytes_read)
           {
            abort_flag = 1;            
           }
       }

    free(buffer);
    free(name);
    fclose(infile);
    fclose(outfile);
       
             
    return;
   } 

/*********************************GET NAME**********************************/

void get_name(int number, char *name)
   {
    char *temp_buffer;

    temp_buffer = calloc(20, 1);

    strcpy(name, "compressed");
    sprintf(name + 10, "%03i", number);
    
    strcpy(name + 13, ".html");
    printf("%s\n\r", name);
    free(temp_buffer);
   }