plugins/profiler/string-utils.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * string-utils.c
   4  * Copyright (C) James Liggett 2006 <jrliggett@cox.net>
   5  *
   6  * string-utils.c is free software.
   7  *
   8  * You may redistribute it and/or modify it under the terms of the
   9  * GNU General Public License, as published by the Free Software
  10  * Foundation; either version 2, or (at your option) any later version.
  11  *
  12  * plugin.c is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  15  * See the GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with plugin.c.  See the file "COPYING".  If not,
  19  * write to:  The Free Software Foundation, Inc.,
  20  *            51 Franklin Street, Fifth Floor,
  21  *            Boston,  MA  02110-1301, USA.
  22  */
  23
  24 #include <string.h>
  25 #include <stdlib.h>
  26 #include "string-utils.h"
  27
  28 #define NONE -1
  29
  30 gchar *read_to_whitespace(gchar *buffer, int *end_pos, int start_pos)
  31 {
  32         size_t buffer_length;
  33         gint begin;
  34         gint i;
  35         gchar *string;
  36
  37         begin = NONE;
  38         *end_pos = 0;
  39         buffer_length = strlen(buffer);
  40
  41         for (i = 0; i < buffer_length; i++)
  42         {
  43                 /* If we haven't found a string yet, ignore any leading whitespace */
  44                 if (begin == NONE)
  45                 {
  46                         if (!g_ascii_isspace(buffer[i]))
  47                                 begin = i;
  48                 }
  49                 else
  50                 {
  51                         /* Found the end of the string or we're at the end of the buffer */
  52                         if (g_ascii_isspace(buffer[i]) || i == (buffer_length - 1))
  53                         {
  54                                 *end_pos = i + start_pos;
  55                                 string = g_strndup(&buffer[begin], i - begin);
  56                                 return string;
  57                         }
  58
  59                 }
  60
  61         }
  62
  63         return NULL;
  64 }
  65
  66 gchar *strip_whitespace(gchar* buffer)
  67 {
  68         size_t buffer_length;
  69         gint i;
  70         gchar *string;
  71
  72         buffer_length = strlen(buffer);
  73         string = NULL;
  74
  75         for (i = 0; i < buffer_length; i++)
  76         {
  77                 if (!g_ascii_isspace(buffer[i]))
  78                         break;
  79         }
  80
  81         if (i < buffer_length)
  82                 string = g_strdup(&buffer[i]);
  83
  84         return string;
  85 }
  86
  87 gchar *read_to_delimiter(gchar *buffer, gchar *delimiter)
  88 {
  89         gint i;
  90         size_t buffer_length;
  91         gchar *end;  /* end of returned string */
  92         gchar *string;
  93
  94         string = NULL;
  95
  96         /* Ignore any leading whitespace */
  97         buffer_length = strlen(buffer);
  98
  99         for (i = 0; i < buffer_length; i++)
 100         {
 101                 if (!g_ascii_isspace(buffer[i]))
 102                         break;
 103         }
 104
 105         end = strstr(&buffer[i], delimiter);
 106
 107         if (end)
 108                 string = g_strndup(&buffer[i], (end - &buffer[i]));
 109
 110         return string;
 111 }