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authorDodji Seketeli <dodji@src.gnome.org>2003-02-27 19:11:25 +0000
committerDodji Seketeli <dodji@src.gnome.org>2003-02-27 19:11:25 +0000
commit1bab70f1eff9d282467d6b9188d6f4f22fdd4e1b (patch)
tree2e89ee75d71eb8ece979b1560c209a2438e06a25 /tests/test0-main.c
downloadlibcroco-1bab70f1eff9d282467d6b9188d6f4f22fdd4e1b.tar.gz
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+/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset:8 -*- */
+
+/*
+ *This file is part of the Croco Library
+ *
+ *The Croco Library 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.
+ *
+ *The Croco Library 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 The Croco Library;
+ *see the file COPYING. If not, write to
+ *the Free Software Foundation, Inc.,
+ *59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *Copyright 2002-2003 Dodji Seketeli <dodji@seketeli.org>
+ */
+
+/*
+ *$Id$
+ */
+
+#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 ;
+};
+
+
+/**
+ *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.
+ */
+void
+display_help (int a_argc, char ** a_argv)
+{
+ g_print ("\n\n") ;
+ g_print ("usage: %s <file-to-parse>\n", a_argv[0]) ;
+ g_print ("\t <file-to-parse>: the file to parse\n") ;
+ g_print ("\n\n") ;
+ g_print ("This test just reads the file byte per byte\nand sends each byte 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.
+ */
+void
+display_about (int a_argc, char ** a_argv)
+{
+ g_print ("\n\n") ;
+ g_print ("%s is a libcroco CRInput class test program.\n", a_argv[0]) ;
+ 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.
+ */
+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_byte (guchar * a_file_uri)
+{
+ enum CRStatus status = CR_OK ;
+ CRInput * input = NULL ;
+ guchar byte = 0 ;
+ guint 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_byte (input, &byte) ;
+
+ if (status == CR_OK)
+ {
+ c = byte ;
+ printf ("%d", 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 (argc, argv) ;
+ return 0 ;
+ }
+
+ if (options.display_about == TRUE)
+ {
+ display_about (argc, argv) ;
+ return 0 ;
+ }
+
+ if (options.files_list == NULL)
+ {
+ display_help (argc, argv) ;
+ return 0 ;
+ }
+
+ test_cr_input_read_byte (options.files_list[0]) ;
+
+ return 0 ;
+}