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/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset:8 -*- */
/*
* This file is part of The Croco Library
*
* Copyright (C) 2002-2003 Dodji Seketeli <dodji@seketeli.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2.1 of the GNU Lesser General Public
* License as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
/*
*$Id$
*/
#include "stdio.h"
#include "cr-parser-input.h"
#include "string.h"
/**
*@file
*Some test facilities for the #CRInput class.
*/
/**
*The options data structure.
*The variable of this data structure are set
*during the parsing the command line by the
*parse_command_line() function.
*/
struct Options
{
gboolean display_help ;
gboolean display_about ;
gchar ** files_list ;
};
static void
display_help (char *prg_name) ;
static void
display_about (char *prg_name) ;
static void
parse_command_line (int a_argc, char **a_argv,
struct Options *a_options) ;
static enum CRStatus
test_cr_input_read_char (guchar * a_file_uri) ;
/**
*Displays the usage of the test
*facility.
*@param a_argc the argc variable passed to the main function.
*@param a_argv the argv variable passed to the main function.
*/
static void
display_help (char *prg_name)
{
g_print ("\n\n") ;
g_print ("usage: %s <file-to-parse>\n", prg_name) ;
g_print ("\t <file-to-parse>: the file to parse\n") ;
g_print ("\n\n") ;
g_print ("This test just reads the file character per character\nand sends each character to stdout\n") ;
g_print ("\n\n") ;
}
/**
*Displays the about text.
*@param a_argc the argc variable passed to the main function.
*@param a_argv the argv variable passed to the main function.
*/
static void
display_about (char *prg_name)
{
g_print ("\n\n") ;
g_print ("%s is a libcroco CRInput class test program.\n", prg_name) ;
g_print ("It should run on GNU compliants systems.\n") ;
g_print ("\n\n") ;
g_print ("Initial author: Dodji Seketeli <dodji@seketeli.org>.\n") ;
g_print ("\n\n") ;
}
/**
*Parses the command line and updates an abstract "options" data structure.
*@param a_argc the argc variable passed to the main function by the OS.
*@param a_argv the argv variable passed to the main function by the OS.
*@param a_options out parameter. The abstraction of the parsed the options.
*/
static void
parse_command_line (int a_argc, char **a_argv,
struct Options *a_options)
{
int i= 0 ;
g_return_if_fail (a_options) ;
memset (a_options, 0, sizeof (struct Options)) ;
for (i = 1 ; i < a_argc ; i++)
{
if (a_argv[i][0] != '-') break ;
if (!strcmp (a_argv[i], "-h") || !strcmp (a_argv[i], "--help"))
{
a_options->display_help = TRUE ;
}
if (!strcmp (a_argv[i], "--about"))
{
a_options->display_about = TRUE ;
}
}
if (i >= a_argc)
{
/*No file parameter where given*/
a_options->files_list = NULL ;
}
else
{
a_options->files_list = &a_argv[i] ;
}
}
/**
*The test of the cr_input_read_byte() method.
*Reads the each byte of a_file_uri using the
*cr_input_read_byte() method. Each byte is send to
*stdout.
*@param a_file_uri the file to read.
*@return CR_OK upon successfull completion of the
*function, an error code otherwise.
*/
enum CRStatus
test_cr_input_read_char (guchar * a_file_uri)
{
enum CRStatus status = CR_OK ;
CRInput * input = NULL ;
guint32 c = 0 ;
g_return_val_if_fail (a_file_uri, CR_BAD_PARAM_ERROR) ;
input =
cr_input_new_from_uri (a_file_uri, CR_UTF_8) ;
if (!input)
{
cr_utils_trace_debug ("Input Stream creation failed.") ;
return CR_ERROR ;
}
for (status = CR_OK;
status == CR_OK ;)
{
status = cr_input_read_char (input, &c) ;
if (status == CR_OK)
{
printf ("%c", c) ;
fflush (stdout) ;
}
}
if (status == CR_END_OF_INPUT_ERROR)
{
status = CR_OK ;
}
cr_input_destroy (input) ;
input = NULL ;
return status ;
}
/**
*The entry point of the testing routine.
*/
int
main (int argc, char ** argv)
{
struct Options options ;
parse_command_line (argc, argv, &options) ;
if (options.display_help == TRUE)
{
display_help (argv[0]) ;
return 0 ;
}
if (options.display_about == TRUE)
{
display_about (argv[0]) ;
return 0 ;
}
if (options.files_list == NULL)
{
display_help (argv[0]) ;
return 0 ;
}
test_cr_input_read_char (options.files_list[0]) ;
return 0 ;
}
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