/cssed-0.4.0/libcroco/parser/cr-additional-sel.c
C | 468 lines | 299 code | 81 blank | 88 comment | 48 complexity | b68a54ff613f9a7b1ab3ce62bce51f14 MD5 | raw file
Possible License(s): GPL-2.0
- /* -*- 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 "cr-additional-sel.h"
- #include "string.h"
- /**
- *Default constructor of #CRAdditionalSel.
- *@return the newly build instance of #CRAdditionalSel.
- */
- CRAdditionalSel *
- cr_additional_sel_new (void)
- {
- CRAdditionalSel *result = NULL;
- result = g_try_malloc (sizeof (CRAdditionalSel));
- if (result == NULL) {
- cr_utils_trace_debug ("Out of memory");
- return NULL;
- }
- memset (result, 0, sizeof (CRAdditionalSel));
- return result;
- }
- /**
- *Constructor of #CRAdditionalSel.
- *@param a_sel_type the type of the newly built instance
- *of #CRAdditionalSel.
- *@return the newly built instance of #CRAdditionalSel.
- */
- CRAdditionalSel *
- cr_additional_sel_new_with_type (enum AddSelectorType a_sel_type)
- {
- CRAdditionalSel *result = NULL;
- result = cr_additional_sel_new ();
- g_return_val_if_fail (result, NULL);
- result->type = a_sel_type;
- return result;
- }
- /**
- *Sets a new class name to a
- *CLASS additional selector.
- *@param a_this the "this pointer" of the current instance
- *of #CRAdditionalSel .
- *@param a_class_name the new class name to set.
- *
- */
- void
- cr_additional_sel_set_class_name (CRAdditionalSel * a_this,
- CRString * a_class_name)
- {
- g_return_if_fail (a_this && a_this->type == CLASS_ADD_SELECTOR);
- if (a_this->content.class_name) {
- cr_string_destroy (a_this->content.class_name);
- }
- a_this->content.class_name = a_class_name;
- }
- /**
- *Sets a new id name to an
- *ID additional selector.
- *@param a_this the "this pointer" of the current instance
- *of #CRAdditionalSel .
- *@param a_id the new id to set.
- */
- void
- cr_additional_sel_set_id_name (CRAdditionalSel * a_this, CRString * a_id)
- {
- g_return_if_fail (a_this && a_this->type == ID_ADD_SELECTOR);
- if (a_this->content.id_name) {
- cr_string_destroy (a_this->content.id_name);
- }
- a_this->content.id_name = a_id;
- }
- /**
- *Sets a new pseudo to a
- *PSEUDO additional selector.
- *@param a_this the "this pointer" of the current instance
- *of #CRAdditionalSel .
- *@param a_pseudo the new pseudo to set.
- */
- void
- cr_additional_sel_set_pseudo (CRAdditionalSel * a_this, CRPseudo * a_pseudo)
- {
- g_return_if_fail (a_this
- && a_this->type == PSEUDO_CLASS_ADD_SELECTOR);
- if (a_this->content.pseudo) {
- cr_pseudo_destroy (a_this->content.pseudo);
- }
- a_this->content.pseudo = a_pseudo;
- }
- /**
- *Sets a new instance of #CRAttrSel to
- *a ATTRIBUTE additional selector.
- *@param a_this the "this pointer" of the current instance
- *of #CRAdditionalSel .
- *@param a_sel the new instance of #CRAttrSel to set.
- */
- void
- cr_additional_sel_set_attr_sel (CRAdditionalSel * a_this, CRAttrSel * a_sel)
- {
- g_return_if_fail (a_this && a_this->type == ATTRIBUTE_ADD_SELECTOR);
- if (a_this->content.attr_sel) {
- cr_attr_sel_destroy (a_this->content.attr_sel);
- }
- a_this->content.attr_sel = a_sel;
- }
- /**
- *Appends a new instance of #CRAdditional to the
- *current list of #CRAdditional.
- *@param a_this the "this pointer" of the current instance
- *of #CRAdditionalSel .
- *@param a_sel the new instance to #CRAdditional to append.
- *@return the new list of CRAdditionalSel or NULL if an error arises.
- */
- CRAdditionalSel *
- cr_additional_sel_append (CRAdditionalSel * a_this, CRAdditionalSel * a_sel)
- {
- CRAdditionalSel *cur_sel = NULL;
- g_return_val_if_fail (a_sel, NULL);
- if (a_this == NULL) {
- return a_sel;
- }
- if (a_sel == NULL)
- return NULL;
- for (cur_sel = a_this;
- cur_sel && cur_sel->next; cur_sel = cur_sel->next) ;
- g_return_val_if_fail (cur_sel != NULL, NULL);
- cur_sel->next = a_sel;
- a_sel->prev = cur_sel;
- return a_this;
- }
- /**
- *Preppends a new instance of #CRAdditional to the
- *current list of #CRAdditional.
- *@param a_this the "this pointer" of the current instance
- *of #CRAdditionalSel .
- *@param a_sel the new instance to #CRAdditional to preappend.
- *@return the new list of CRAdditionalSel or NULL if an error arises.
- */
- CRAdditionalSel *
- cr_additional_sel_prepend (CRAdditionalSel * a_this, CRAdditionalSel * a_sel)
- {
- g_return_val_if_fail (a_sel, NULL);
- if (a_this == NULL) {
- return a_sel;
- }
- a_sel->next = a_this;
- a_this->prev = a_sel;
- return a_sel;
- }
- guchar *
- cr_additional_sel_to_string (CRAdditionalSel * a_this)
- {
- guchar *result = NULL;
- GString *str_buf = NULL;
- CRAdditionalSel *cur = NULL;
- g_return_val_if_fail (a_this, NULL);
- str_buf = g_string_new (NULL);
- for (cur = a_this; cur; cur = cur->next) {
- switch (cur->type) {
- case CLASS_ADD_SELECTOR:
- {
- guchar *name = NULL;
- if (cur->content.class_name) {
- name = g_strndup
- (cur->content.class_name->stryng->str,
- cur->content.class_name->stryng->len);
- if (name) {
- g_string_append_printf
- (str_buf, ".%s",
- name);
- g_free (name);
- name = NULL;
- }
- }
- }
- break;
- case ID_ADD_SELECTOR:
- {
- guchar *name = NULL;
- if (cur->content.class_name) {
- name = g_strndup
- (cur->content.id_name->stryng->str,
- cur->content.id_name->stryng->len);
- if (name) {
- g_string_append_printf
- (str_buf, "#%s",
- name);
- g_free (name);
- name = NULL;
- }
- }
- }
- break;
- case PSEUDO_CLASS_ADD_SELECTOR:
- {
- if (cur->content.pseudo) {
- guchar *tmp_str = NULL;
- tmp_str = cr_pseudo_to_string
- (cur->content.pseudo);
- if (tmp_str) {
- g_string_append_printf
- (str_buf, ":%s",
- tmp_str);
- g_free (tmp_str);
- tmp_str = NULL;
- }
- }
- }
- break;
- case ATTRIBUTE_ADD_SELECTOR:
- if (cur->content.attr_sel) {
- guchar *tmp_str = NULL;
- g_string_append_c (str_buf, '[');
- tmp_str = cr_attr_sel_to_string
- (cur->content.attr_sel);
- if (tmp_str) {
- g_string_append_printf
- (str_buf, "%s]", tmp_str);
- g_free (tmp_str);
- tmp_str = NULL;
- }
- }
- break;
- default:
- break;
- }
- }
- if (str_buf) {
- result = str_buf->str;
- g_string_free (str_buf, FALSE);
- str_buf = NULL;
- }
- return result;
- }
- guchar *
- cr_additional_sel_one_to_string (CRAdditionalSel *a_this)
- {
- guchar *result = NULL;
- GString *str_buf = NULL;
- g_return_val_if_fail (a_this, NULL) ;
- str_buf = g_string_new (NULL) ;
- switch (a_this->type) {
- case CLASS_ADD_SELECTOR:
- {
- guchar *name = NULL;
- if (a_this->content.class_name) {
- name = g_strndup
- (a_this->content.class_name->stryng->str,
- a_this->content.class_name->stryng->len);
- if (name) {
- g_string_append_printf
- (str_buf, ".%s",
- name);
- g_free (name);
- name = NULL;
- }
- }
- }
- break;
- case ID_ADD_SELECTOR:
- {
- guchar *name = NULL;
- if (a_this->content.class_name) {
- name = g_strndup
- (a_this->content.id_name->stryng->str,
- a_this->content.id_name->stryng->len);
- if (name) {
- g_string_append_printf
- (str_buf, "#%s",
- name);
- g_free (name);
- name = NULL;
- }
- }
- }
- break;
- case PSEUDO_CLASS_ADD_SELECTOR:
- {
- if (a_this->content.pseudo) {
- guchar *tmp_str = NULL;
- tmp_str = cr_pseudo_to_string
- (a_this->content.pseudo);
- if (tmp_str) {
- g_string_append_printf
- (str_buf, ":%s",
- tmp_str);
- g_free (tmp_str);
- tmp_str = NULL;
- }
- }
- }
- break;
- case ATTRIBUTE_ADD_SELECTOR:
- if (a_this->content.attr_sel) {
- guchar *tmp_str = NULL;
- g_string_append_printf (str_buf, "[");
- tmp_str = cr_attr_sel_to_string
- (a_this->content.attr_sel);
- if (tmp_str) {
- g_string_append_printf
- (str_buf, "%s]", tmp_str);
- g_free (tmp_str);
- tmp_str = NULL;
- }
- }
- break;
- default:
- break;
- }
- if (str_buf) {
- result = str_buf->str;
- g_string_free (str_buf, FALSE);
- str_buf = NULL;
- }
- return result;
- }
- /**
- *Dumps the current instance of #CRAdditionalSel to a file
- *@param a_this the "this pointer" of the current instance of
- *#CRAdditionalSel.
- *@param a_fp the destination file.
- */
- void
- cr_additional_sel_dump (CRAdditionalSel * a_this, FILE * a_fp)
- {
- guchar *tmp_str = NULL;
- g_return_if_fail (a_fp);
- if (a_this) {
- tmp_str = cr_additional_sel_to_string (a_this);
- if (tmp_str) {
- fprintf (a_fp, "%s", tmp_str);
- g_free (tmp_str);
- tmp_str = NULL;
- }
- }
- }
- /**
- *Destroys an instance of #CRAdditional.
- *@param a_this the "this pointer" of the current instance
- *of #CRAdditionalSel .
- */
- void
- cr_additional_sel_destroy (CRAdditionalSel * a_this)
- {
- g_return_if_fail (a_this);
- switch (a_this->type) {
- case CLASS_ADD_SELECTOR:
- cr_string_destroy (a_this->content.class_name);
- a_this->content.class_name = NULL;
- break;
- case PSEUDO_CLASS_ADD_SELECTOR:
- cr_pseudo_destroy (a_this->content.pseudo);
- a_this->content.pseudo = NULL;
- break;
- case ID_ADD_SELECTOR:
- cr_string_destroy (a_this->content.id_name);
- a_this->content.id_name = NULL;
- break;
- case ATTRIBUTE_ADD_SELECTOR:
- cr_attr_sel_destroy (a_this->content.attr_sel);
- a_this->content.attr_sel = NULL;
- break;
- default:
- break;
- }
- if (a_this->next) {
- cr_additional_sel_destroy (a_this->next);
- }
- g_free (a_this);
- }