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/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
/*
* This file is part of The Croco Library
*
* 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
*
* Author: Dodji Seketeli.
* See COPYRIGHTS file for copyright information.
*/
#include <string.h>
#include "cr-string.h"
/**
*Instantiates a #CRString
*@return the newly instantiated #CRString
*Must be freed with cr_string_destroy().
*/
CRString *
cr_string_new (void)
{
CRString *result = NULL ;
result = g_try_malloc (sizeof (CRString)) ;
if (!result) {
cr_utils_trace_info ("Out of memory") ;
return NULL ;
}
memset (result, 0, sizeof (CRString)) ;
result->stryng = g_string_new (NULL) ;
return result ;
}
/**
*Instantiate a string and initialise it to
*a_string.
*@param a_string the initial string
*@return the newly instantiated string.
*/
CRString *
cr_string_new_from_string (const gchar * a_string)
{
CRString *result = NULL ;
result = cr_string_new () ;
if (!result) {
cr_utils_trace_info ("Out of memory") ;
return NULL ;
}
if (a_string)
g_string_append (result->stryng, a_string) ;
return result ;
}
/**
*Instantiates a #CRString from an instance of GString.
*@param a_string the input string that will be copied into
*the newly instantiated #CRString
*@return the newly instantiated #CRString.
*/
CRString *
cr_string_new_from_gstring (GString const *a_string)
{
CRString *result = NULL ;
result = cr_string_new () ;
if (!result) {
cr_utils_trace_info ("Out of memory") ;
return NULL ;
}
if (a_string) {
g_string_append_len (result->stryng,
a_string->str,
a_string->len);
}
return result ;
}
CRString *
cr_string_dup (CRString const *a_this)
{
CRString *result = NULL ;
g_return_val_if_fail (a_this, NULL) ;
result = cr_string_new_from_gstring (a_this->stryng) ;
if (!result) {
cr_utils_trace_info ("Out of memory") ;
return NULL ;
}
cr_parsing_location_copy (&result->location,
&a_this->location) ;
return result ;
}
gchar *
cr_string_dup2 (CRString const *a_this)
{
gchar *result = NULL ;
g_return_val_if_fail (a_this, NULL) ;
if (a_this
&& a_this->stryng
&& a_this->stryng->str) {
result = g_strndup (a_this->stryng->str,
a_this->stryng->len) ;
}
return result ;
}
/**
*Returns a pointer to the internal raw NULL terminated string
*of the current instance of #CRString.
*@param a_this the current instance of #CRString
*/
const gchar *
cr_string_peek_raw_str (CRString const *a_this)
{
g_return_val_if_fail (a_this, NULL) ;
if (a_this->stryng && a_this->stryng->str)
return a_this->stryng->str ;
return NULL ;
}
/**
*Returns the length of the internal raw NULL terminated
*string of the current instance of #CRString.
*@param a_this the current instance of #CRString.
*@return the len of the internal raw NULL termninated string,
*of -1 if no length can be returned.
*/
gint
cr_string_peek_raw_str_len (CRString const *a_this)
{
g_return_val_if_fail (a_this && a_this->stryng,
-1) ;
return a_this->stryng->len ;
}
/**
*@param a_this the #CRString to destroy.
*/
void
cr_string_destroy (CRString *a_this)
{
g_return_if_fail (a_this) ;
if (a_this->stryng) {
g_string_free (a_this->stryng, TRUE) ;
a_this->stryng = NULL ;
}
g_free (a_this) ;
}
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