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/* -*- Mode: C; indent-tabs-mode: ni; 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 the COPYRIGHTS file for copyright information.
*/
#include <string.h>
#include "cr-parsing-location.h"
/**
*@file
*Definition of the #CRparsingLocation class.
*/
/**
*Instanciates a new parsing location.
*@return the newly instanciated #CRParsingLocation.
*Must be freed by cr_parsing_location_destroy()
*/
CRParsingLocation *
cr_parsing_location_new (void)
{
CRParsingLocation *result =
(CRParsingLocation *)g_try_malloc (sizeof (CRParsingLocation)) ;
if (!result) {
cr_utils_trace_info ("Out of memory error") ;
return NULL ;
}
cr_parsing_location_init (result) ;
return result ;
}
/**
*Initializes the an instance of #CRparsingLocation.
*@param a_this the current instance of #CRParsingLocation.
*@return CR_OK upon
*/
enum CRStatus
cr_parsing_location_init (CRParsingLocation *a_this)
{
g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ;
memset (a_this, 0, sizeof (CRParsingLocation)) ;
return CR_OK ;
}
/**
*Copies an instance of CRParsingLocation into another one.
*@param a_to the destination of the copy.
*Must be allocated by the caller.
*@param a_from the source of the copy.
*@return CR_OK upon succesful completion, an error code
*otherwise.
*/
enum CRStatus
cr_parsing_location_copy (CRParsingLocation *a_to,
CRParsingLocation *a_from)
{
g_return_val_if_fail (a_to && a_from, CR_BAD_PARAM_ERROR) ;
memcpy (a_to, a_from, sizeof (CRParsingLocation)) ;
return CR_OK ;
}
/**
*@param a_this the current instance of #CRParsingLocation.
*@param a_mask a bitmap that defines which parts of the
*parsing location are to be serialized (line, column or byte offset)
*@return the serialized string or NULL in case of an error.
*/
gchar *
cr_parsing_location_to_string (CRParsingLocation *a_this,
enum CRParsingLocationSerialisationMask a_mask)
{
gchar *str = NULL ;
g_return_val_if_fail (a_this, NULL) ;
if (!a_mask) {
a_mask = (enum CRParsingLocationSerialisationMask)
((int)DUMP_LINE | (int)DUMP_COLUMN | (int)DUMP_BYTE_OFFSET) ;
}
GString *result = (GString *)g_string_new (NULL) ;
if (!result)
return NULL ;
if (a_mask & DUMP_LINE) {
g_string_append_printf (result, "line:%d ",
a_this->line) ;
}
if (a_mask & DUMP_COLUMN) {
g_string_append_printf (result, "column:%d ",
a_this->column) ;
}
if (a_mask & DUMP_BYTE_OFFSET) {
g_string_append_printf (result, "byte offset:%d ",
a_this->byte_offset) ;
}
if (result->len) {
str = result->str ;
g_string_free (result, FALSE) ;
} else {
g_string_free (result, TRUE) ;
}
return str ;
}
void
cr_parsing_location_dump (CRParsingLocation *a_this,
enum CRParsingLocationSerialisationMask a_mask,
FILE *a_fp)
{
gchar *str = NULL ;
g_return_if_fail (a_this && a_fp) ;
str = cr_parsing_location_to_string (a_this, a_mask) ;
if (str) {
fprintf (a_fp, "%s", str) ;
g_free (str) ;
str = NULL ;
}
}
/**
*Destroys the current instance of #CRParsingLocation
*@param a_this the current instance of #CRParsingLocation. Must
*have been allocated with cr_parsing_location_new().
*/
void
cr_parsing_location_destroy (CRParsingLocation *a_this)
{
g_return_if_fail (a_this) ;
g_free (a_this) ;
}
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