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/*** io.c **********************************************************************
**
** This file is part of BibTool.
** It is distributed under the GNU General Public License.
** See the file COPYING for details.
**
** (c) 1996-2016 Gerd Neugebauer
**
** Net: gene@gerd-neugebauer.de
**
** 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, 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.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
**-----------------------------------------------------------------------------
** Description:
**
**
******************************************************************************/
#include <bibtool/general.h>
#include <bibtool/error.h>
#include <bibtool/io.h>
#include "config.h"
/*****************************************************************************/
/* Internal Programs */
/*===========================================================================*/
#ifdef __STDC__
#define _ARG(A) A
#else
#define _ARG(A) ()
#endif
void save_input_file _ARG((char *file)); /* */
void save_macro_file _ARG((char *file)); /* */
void save_output_file _ARG((char * file)); /* */
/*****************************************************************************/
/* External Programs and Variables */
/*===========================================================================*/
/*---------------------------------------------------------------------------*/
/*****************************************************************************/
/*** Input File Pipe Section ***/
/*****************************************************************************/
#define InputFilePipeIncrement 8
static char **input_files;
static int input_file_size = 0;
static int input_file_ptr = 0;
#define InputPipeIsFull (input_file_ptr >= input_file_size)
#define InputPipeIsEmpty (input_file_ptr == 0)
#define PushToInputPipe(FILE) input_files[input_file_ptr++] = FILE
#define ForAllInputFiles(FILE) for (FILE=input_files; \
FILE<&input_files[input_file_ptr]; \
FILE++)
/*-----------------------------------------------------------------------------
** Function: save_input_file()
** Purpose: The input file pipe is a dynamic array of strings.
** This fifo stack is used to store the input \BibTeX{}
** files to be processed by \BibTool.
**
** This function is called to push an string into the pipe.
** If necessary the array has to be allocated or enlarged.
** This is done in larger junks to avoid lots of calls to
** |realloc()|.
** Arguments:
** file File name to save.
** Returns: nothing
**___________________________________________________ */
void save_input_file(file) /* */
char *file; /* */
{ /* */
if (file == NULL) /* */
{ WARNING("Missing input file name. Flag ignored.");/* */
return; /* */
} /* */
if (*file == '-' && file[1] == '\0') /* */
{ file = NULL; } /* */
/* */
if (InputPipeIsFull) /* No space left? */
{ input_file_size += InputFilePipeIncrement; /* */
/* */
if (InputPipeIsEmpty /* Try to enlarge array */
? NULL==(input_files= /* */
(char**)malloc(sizeof(char*) /* */
*(size_t)input_file_size))/* */
: NULL==(input_files= /* */
(char**)realloc((char*)input_files,/* */
sizeof(char*) /* */
*(size_t)input_file_size))/* */
) /* */
{ OUT_OF_MEMORY("input file pipe."); } /* */
} /* */
PushToInputPipe(file); /* */
} /*------------------------*/
/*-----------------------------------------------------------------------------
** Function: get_no_inputs()
** Type: int
** Purpose:
**
** Arguments:
**
** Returns:
**___________________________________________________ */
int get_no_inputs() /* */
{ /* */
return input_file_ptr; /* */
} /*------------------------*/
/*-----------------------------------------------------------------------------
** Function: get_input_file()
** Type: char *
** Purpose:
**
** Arguments:
** i
** Returns:
**___________________________________________________ */
char * get_input_file(i) /* */
int i; /* */
{ return (i >= 0 && i < input_file_ptr /* */
? input_files[i] /* */
: NULL); /* */
} /*------------------------*/
/*****************************************************************************/
/*** Output File Section ***/
/*****************************************************************************/
char *output_file = NULL; /* */
/*-----------------------------------------------------------------------------
** Function: save_output_file()
** Purpose: Simply feed the output file name into the static variable.
** This function is useful since it can be called from rsc.c
** Arguments:
** file File name to save
** Returns: nothing
**___________________________________________________ */
void save_output_file(file) /* */
char * file; /* */
{ if ( output_file != NULL ) /* */
{ WARNING2("Output file redefined: ",file); } /* */
output_file = file; /* */
} /*------------------------*/
/*-----------------------------------------------------------------------------
** Function: get_output_file()
** Type: char*
** Purpose:
**
** Arguments:
**
** Returns:
**___________________________________________________ */
char* get_output_file() /* */
{ return output_file; /* */
} /*------------------------*/
/*****************************************************************************/
/*** Macro File Section ***/
/*****************************************************************************/
char *macro_file = NULL; /* */
/*-----------------------------------------------------------------------------
** Function: save_macro_file()
** Purpose: Simply feed the macro file name into the static variable.
** This function is useful since it can be called from rsc.c
** Arguments:
** file File name to save
** Returns: nothing
**___________________________________________________ */
void save_macro_file(file) /* */
char *file; /* */
{ if ( macro_file != NULL ) /* */
{ WARNING2("Macro file redefined: ",file); } /* */
macro_file = file; /* */
} /*------------------------*/
/*-----------------------------------------------------------------------------
** Function: get_macro_file()
** Type: char*
** Purpose:
**
** Arguments:
**
** Returns:
**___________________________________________________ */
char* get_macro_file() /* */
{ return macro_file; /* */
} /*------------------------*/
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