/*-
 * Copyright (c) 2002-2018 The UbixOS Project.
 * All rights reserved.
 *
 * This was developed by Christopher W. Olsen for the UbixOS Project.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * 1) Redistributions of source code must retain the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors.
 * 2) Redistributions in binary form must reproduce the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors in the documentation and/or
 *    other materials provided with the distribution.
 * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to
 *    endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "shell.h"

void parseInput( inputBuffer *buffer, char *data ) {

  int i = 0x0;
  char *arg = 0x0;
 // char **argv = 0x0;

  struct argsStruct *tmpArgs = 0x0;

  while ( data[0] == ' ' ) {
    data++;
  }

  if ( *data == '\0' )
    return;

  buffer->args = (struct argsStruct *) malloc( sizeof(struct argsStruct) );

  tmpArgs = buffer->args;

  while ( data != 0x0 ) {

    arg = strtok( data, " " );
    data = strtok( NULL, "\n" );

    if ( arg[0] == '&' ) {
      buffer->bg = 0x1;
    }
    else {
      buffer->argc++;
      tmpArgs->arg = arg;
      if ( data != 0x0 ) {
        tmpArgs->next = (struct argsStruct *) malloc( sizeof(struct argsStruct) );
      }
      tmpArgs = tmpArgs->next;
    }
  }

  /* Alloc memory for argv[] */
  buffer->argv = (char **) malloc( sizeof(char *) * ( buffer->argc + 1 ) );

  tmpArgs = buffer->args;


  for ( i = 0x1; i <= buffer->argc ; i++ ) {
    buffer->argv[i] = tmpArgs->arg;
    tmpArgs = tmpArgs->next;
  }

  buffer->argv[0] = (char *)buffer->argc;

}

void freeArgs( inputBuffer *ptr ) {
  free( ptr->args );
}