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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 "cr-additional-sel.h"
#include "string.h"
/**
* CRAdditionalSel:
*
* #CRAdditionalSel abstracts an additional selector.
* An additional selector is the selector part
* that comes after the combination of type selectors.
* It can be either "a class selector (the .class part),
* a pseudo class selector, an attribute selector
* or an id selector.
*/
/**
* cr_additional_sel_new:
*
* Default constructor of #CRAdditionalSel.
* Returns 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;
}
/**
* cr_additional_sel_new_with_type:
* @a_sel_type: the type of the newly built instance
* of #CRAdditionalSel.
*
* Constructor of #CRAdditionalSel.
* Returns 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;
}
/**
* cr_additional_sel_set_class_name:
* @a_this: the "this pointer" of the current instance
* of #CRAdditionalSel .
* @a_class_name: the new class name to set.
*
* Sets a new class name to a
* CLASS additional selector.
*/
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;
}
/**
* cr_additional_sel_set_id_name:
* @a_this: the "this pointer" of the current instance
* of #CRAdditionalSel .
* @a_id: the new id to set.
*
* Sets a new id name to an
* ID additional selector.
*/
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;
}
/**
* cr_additional_sel_set_pseudo:
* @a_this: the "this pointer" of the current instance
* of #CRAdditionalSel .
* @a_pseudo: the new pseudo to set.
*
* Sets a new pseudo to a
* PSEUDO additional selector.
*/
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;
}
/**
* cr_additional_sel_set_attr_sel:
* @a_this: the "this pointer" of the current instance
* of #CRAdditionalSel .
* @a_sel: the new instance of #CRAttrSel to set.
*
* Sets a new instance of #CRAttrSel to
* a ATTRIBUTE additional selector.
*/
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;
}
/**
* cr_additional_sel_append:
* @a_this: the "this pointer" of the current instance
* of #CRAdditionalSel .
* @a_sel: the new instance to #CRAdditional to append.
*
* Appends a new instance of #CRAdditional to the
* current list of #CRAdditional.
*
* Returns 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;
}
/**
* cr_additional_sel_prepend:
* @a_this: the "this pointer" of the current instance
* of #CRAdditionalSel .
* @a_sel: the new instance to #CRAdditional to preappend.
*
* Preppends a new instance of #CRAdditional to the
* current list of #CRAdditional.
*
* Returns 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 const * a_this)
{
guchar *result = NULL;
GString *str_buf = NULL;
CRAdditionalSel const *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 = (guchar *) 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.id_name) {
name = (guchar *) 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 = (guchar *) g_string_free (str_buf, FALSE);
str_buf = NULL;
}
return result;
}
guchar *
cr_additional_sel_one_to_string (CRAdditionalSel const *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 = (guchar *) 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.id_name) {
name = (guchar *) 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 = (guchar *) g_string_free (str_buf, FALSE);
str_buf = NULL;
}
return result;
}
/**
* cr_additional_sel_dump:
* @a_this: the "this pointer" of the current instance of
* #CRAdditionalSel.
* @a_fp: the destination file.
*
* Dumps the current instance of #CRAdditionalSel to a file
*/
void
cr_additional_sel_dump (CRAdditionalSel const * 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;
}
}
}
/**
* cr_additional_sel_destroy:
* @a_this: the "this pointer" of the current instance
* of #CRAdditionalSel .
*
* Destroys an instance of #CRAdditional.
*/
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);
}
|
