/cssed-0.4.0/libcroco/parser/cr-stylesheet.c
C | 178 lines | 98 code | 26 blank | 54 comment | 11 complexity | d4f43079ae129ec7be4cc048c4337719 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
- *
- * Copyright (C) 2002-2004 Dodji Seketeli
- *
- * 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
- */
- #include "string.h"
- #include "cr-stylesheet.h"
- /**
- *@file
- *The definition of the #CRStyleSheet class
- */
- /**
- *Constructor of the #CRStyleSheet class.
- *@param the initial list of css statements.
- *@return the newly built css2 stylesheet, or NULL in case of error.
- */
- CRStyleSheet *
- cr_stylesheet_new (CRStatement * a_stmts)
- {
- CRStyleSheet *result;
- result = g_try_malloc (sizeof (CRStyleSheet));
- if (!result) {
- cr_utils_trace_info ("Out of memory");
- return NULL;
- }
- memset (result, 0, sizeof (CRStyleSheet));
- if (a_stmts)
- result->statements = a_stmts;
- return result;
- }
- /**
- *@param a_this the current instance of #CRStyleSheet
- *@return the serialized stylesheet.
- */
- gchar *
- cr_stylesheet_to_string (CRStyleSheet *a_this)
- {
- gchar *str = NULL;
- GString *stringue = NULL;
- CRStatement *cur_stmt = NULL;
- g_return_val_if_fail (a_this, NULL);
- if (a_this->statements) {
- stringue = g_string_new (NULL) ;
- g_return_val_if_fail (stringue, NULL) ;
- }
- for (cur_stmt = a_this->statements;
- cur_stmt; cur_stmt = cur_stmt->next) {
- if (cur_stmt->prev) {
- g_string_append (stringue, "\n\n") ;
- }
- str = cr_statement_to_string (cur_stmt, 0) ;
- if (str) {
- g_string_append (stringue, str) ;
- g_free (str) ;
- str = NULL ;
- }
- }
- if (stringue) {
- str = stringue->str ;
- g_string_free (stringue, FALSE) ;
- stringue = NULL ;
- }
- return str ;
- }
- /**
- *Dumps the current css2 stylesheet to a file.
- *@param a_this the current instance of #CRStyleSheet.
- *@param a_fp the destination file
- */
- void
- cr_stylesheet_dump (CRStyleSheet * a_this, FILE * a_fp)
- {
- gchar *str = NULL ;
- g_return_if_fail (a_this);
- str = cr_stylesheet_to_string (a_this) ;
- if (str) {
- fprintf (a_fp, "%s", str) ;
- g_free (str) ;
- str = NULL ;
- }
- }
- /**
- *Return the number of rules in the stylesheet.
- *@param a_this the current instance of #CRStyleSheet.
- *@return number of rules in the stylesheet.
- */
- gint
- cr_stylesheet_nr_rules (CRStyleSheet * a_this)
- {
- g_return_val_if_fail (a_this, -1);
- return cr_statement_nr_rules (a_this->statements);
- }
- /**
- *Use an index to get a CRStatement from the rules in a given stylesheet.
- *@param a_this the current instance of #CRStatement.
- *@param itemnr the index into the rules.
- *@return CRStatement at position itemnr, if itemnr > number of rules - 1,
- *it will return NULL.
- */
- CRStatement *
- cr_stylesheet_statement_get_from_list (CRStyleSheet * a_this, int itemnr)
- {
- g_return_val_if_fail (a_this, NULL);
- return cr_statement_get_from_list (a_this->statements, itemnr);
- }
- void
- cr_stylesheet_ref (CRStyleSheet * a_this)
- {
- g_return_if_fail (a_this);
- a_this->ref_count++;
- }
- gboolean
- cr_stylesheet_unref (CRStyleSheet * a_this)
- {
- g_return_val_if_fail (a_this, FALSE);
- if (a_this->ref_count)
- a_this->ref_count--;
- if (!a_this->ref_count) {
- cr_stylesheet_destroy (a_this);
- return TRUE;
- }
- return FALSE;
- }
- /**
- *Destructor of the #CRStyleSheet class.
- *@param a_this the current instance of the #CRStyleSheet class.
- */
- void
- cr_stylesheet_destroy (CRStyleSheet * a_this)
- {
- g_return_if_fail (a_this);
- if (a_this->statements) {
- cr_statement_destroy (a_this->statements);
- a_this->statements = NULL;
- }
- g_free (a_this);
- }