1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/* -*- Mode: C; indent-tabs-mode: nil; 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 const *a_this)
{
gchar *str = NULL;
GString *stringue = NULL;
CRStatement const *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 const * 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 const * 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);
}
|
