//

// File class for the CUPS PPD Compiler.

//

// Copyright 2007-2010 by Apple Inc.

// Copyright 2002-2005 by Easy Software Products.

//

// These coded instructions, statements, and computer programs are the

// property of Apple Inc. and are protected by Federal copyright

// law.  Distribution and use rights are outlined in the file "LICENSE.txt"

// which should have been included with this file.  If this file is

// missing or damaged, see the license at "http://www.cups.org/".

//

//

// Include necessary headers...

//

#include "ppdc-private.h"

//

// 'ppdcFile::ppdcFile()' - Create (open) a file.

//

ppdcFile::ppdcFile(const char  *f,		// I - File to open

                   cups_file_t *ffp)		// I - File pointer to use

{

  if (ffp)

  {

    fp = ffp;

    cupsFileRewind(fp);

  }

  else

    fp = cupsFileOpen(f, "r");

  close_on_delete = !ffp;

  filename        = f;

  line            = 1;

  if (!fp)

    _cupsLangPrintf(stderr, _("ppdc: Unable to open %s: %s"), f,

                    strerror(errno));

}

//

// 'ppdcFile::~ppdcFile()' - Delete (close) a file.

//

ppdcFile::~ppdcFile()

{

  if (close_on_delete && fp)

    cupsFileClose(fp);

}

//

// 'ppdcFile::get()' - Get a character from a file.

//

int

ppdcFile::get()

{

  int	ch;					// Character from file

  // Return EOF if there is no open file...

  if (!fp)

    return (EOF);

  // Get the character...

  ch = cupsFileGetChar(fp);

  // Update the line number as needed...

  if (ch == '\n')

    line ++;

  // Return the character...

  return (ch);

}

//

// 'ppdcFile::peek()' - Look at the next character from a file.

//

int					// O - Next character in file

ppdcFile::peek()

{

  // Return immediaely if there is no open file...

  if (!fp)

    return (EOF);

  // Otherwise return the next character without advancing...

  return (cupsFilePeekChar(fp));

}