/cssed-0.4.0/libcroco/parser/cr-parsing-location.c
C | 153 lines | 82 code | 17 blank | 54 comment | 11 complexity | 4c4e0d995af4f715c4ce39316adae4ae MD5 | raw file
Possible License(s): GPL-2.0
- /* -*- 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 = NULL ;
- result = 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)
- {
- GString *result = NULL ;
- gchar *str = NULL ;
- g_return_val_if_fail (a_this, NULL) ;
- if (!a_mask) {
- a_mask = DUMP_LINE | DUMP_COLUMN | DUMP_BYTE_OFFSET ;
- }
- result =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) ;
- }