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/*
* Copyright (c) 2022 Yongha Hwang <mshrimp@sogang.ac.kr>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/**
* SECTION:xfce-string
* @title: Xfce Cstring/GString Functions
* @short_description: various functions to handle string
* @include: libxfce4util/libxfce4util.h
*
* Since: 4.17
**/
#include <libxfce4util/libxfce4util.h>
#include <libxfce4util/libxfce4util-alias.h>
/**
* xfce_str_replace:
* @str : the input string.
* @pattern : a search pattern in @str.
* @replacement : replacement string for @pattern.
*
* Searches @str for occurances of @pattern and replaces each
* such occurance with @replacement. Returns a newly allocated
* copy of @str on which the given replacement were performed.
* The caller is responsible to free the returned string using
* g_free() when no longer needed.
*
* Note that @pattern and @replacement don't need to be of the
* same size. If @replacement is %NULL, the pattern will be
* removed from the string.
*
* Note for future Xfce developers: Deprecate this function when
* g_string_replace() is available. (Added since Glib >= 2.68)
*
* Returns: a newly allocated copy of @str where all occurances of
* @pattern are replaced with @replacement. Or %NULL if
* @str and/or @pattern is %NULL.
*
* Since: 4.17
**/
gchar*
xfce_str_replace (const gchar *str,
const gchar *pattern,
const gchar *replacement)
{
const gchar *s, *p;
GString *result;
/* an empty string or pattern is useless, so just
* return a copy of str */
if (G_UNLIKELY (xfce_str_is_empty (str)
|| xfce_str_is_empty (pattern)))
return g_strdup (str);
/* allocate the result string */
result = g_string_sized_new (strlen (str));
/* process the input string */
while (*str != '\0')
{
if (G_UNLIKELY (*str == *pattern))
{
/* compare the pattern to the current string */
for (p = pattern + 1, s = str + 1; *p == *s; ++s, ++p)
if (*p == '\0' || *s == '\0')
break;
/* check if the pattern fully matched */
if (G_LIKELY (*p == '\0'))
{
if (G_LIKELY (!xfce_str_is_empty (replacement)))
g_string_append (result, replacement);
str = s;
continue;
}
}
g_string_append_c (result, *str++);
}
return g_string_free (result, FALSE);
}
/**
* xfce_g_string_append_quoted:
* @string: A #GString.
* @unquoted: A literal string.
*
* Quotes a string @unquoted and appends to an existing
* #GString @string. The shell will interpret the quoted string
* to mean @unquoted. The quoting style used is undefined
* (check g_shell_quote ()).
*
* Since: 4.17
**/
void
xfce_g_string_append_quoted (GString *string,
const gchar *unquoted)
{
gchar *quoted;
quoted = g_shell_quote (unquoted);
g_string_append (string, quoted);
g_free (quoted);
}
#define __XFCE_STRING_C__
#include <libxfce4util/libxfce4util-aliasdef.c>
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