1 /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /*
3  * gsf-docprop-vector.c: A type implementing OLE Document Property vectors using a GValueArray
4  *
5  * Copyright (C) 2004-2006 Frank Chiulli (fc-linux@cox.net)
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of version 2.1 of the GNU Lesser General Public
9  * License as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
19  * USA
20  */
21 
22 #include <gsf-config.h>
23 #include <gsf/gsf-docprop-vector.h>
24 #include <gsf/gsf.h>
25 
26 /* TODO: Drop GValueArray when breaking API */
27 
28 struct _GsfDocPropVector {
29 	GObject      parent;
30 
31 	GArray      *ga;
32 	GValueArray *gva;
33 };
34 typedef GObjectClass  GsfDocPropVectorClass;
35 
36 #define GSF_DOCPROP_VECTOR_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), GSF_DOCPROP_VECTOR_TYPE, GsfDocPropVectorClass))
37 #define GSF_DOCPROP_VECTOR_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), GSF_DOCPROP_VECTOR_TYPE, GsfDocPropVectorClass))
38 #define IS_GSF_DOCPROP_VECTOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GSF_DOCPROP_VECTOR_TYPE))
39 
40 static GObjectClass *parent_class;
41 
42 GValueArray *
gsf_value_get_docprop_varray(GValue const * value)43 gsf_value_get_docprop_varray (GValue const *value)
44 {
45 	GsfDocPropVector *v = gsf_value_get_docprop_vector (value);
46 	return v ? v->gva : NULL;
47 }
48 
49 /**
50  * gsf_value_get_docprop_array:
51  * @value: A GValue of type #GsfDocPropVector.
52  *
53  * This function returns the array of values inside #GsfDocPropVector.
54  * No additional references are created.
55  *
56  * Returns: (transfer none) (element-type GValue) (nullable): A #GArray
57  * of #GValue
58  **/
59 GArray *
gsf_value_get_docprop_array(GValue const * value)60 gsf_value_get_docprop_array (GValue const *value)
61 {
62 	GsfDocPropVector *v = gsf_value_get_docprop_vector (value);
63 	return v ? v->ga : NULL;
64 }
65 
66 /**
67  * gsf_value_get_docprop_vector:
68  * @value: A GValue of type #GsfDocPropVector.
69  *
70  * This function returns a pointer to the GsfDocPropVector structure in @value.
71  * No additional references are created.
72  *
73  * Returns: (transfer none): A pointer to the #GsfDocPropVector structure in @value
74  **/
75 GsfDocPropVector *
gsf_value_get_docprop_vector(GValue const * value)76 gsf_value_get_docprop_vector (GValue const *value)
77 {
78 	g_return_val_if_fail (VAL_IS_GSF_DOCPROP_VECTOR (value), NULL);
79 
80 	return (GsfDocPropVector *) g_value_get_object (value);
81 }
82 
83 /**
84  * gsf_docprop_vector_append:
85  * @vector: The vector to which the GValue will be added
86  * @value:  The GValue to add to @vector
87  *
88  * Insert a copy of @value as the last element of @vector.
89  **/
90 void
gsf_docprop_vector_append(GsfDocPropVector * vector,GValue * value)91 gsf_docprop_vector_append (GsfDocPropVector *vector, GValue *value)
92 {
93 	g_return_if_fail (vector != NULL);
94 	g_return_if_fail (value != NULL);
95 
96 	if (G_IS_VALUE (value)) {
97 		GValue val = G_VALUE_INIT;
98 
99 		g_value_init (&val, G_VALUE_TYPE (value));
100 		g_value_copy (value, &val);
101 		g_array_append_vals (vector->ga, &val, 1);
102 
103 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
104 		vector->gva = g_value_array_append (vector->gva, value);
105 G_GNUC_END_IGNORE_DEPRECATIONS
106 	}
107 }
108 
109 /**
110  * gsf_docprop_vector_as_string:
111  * @vector: The #GsfDocPropVector from which GValues will be extracted.
112  *
113  * This function returns a string which represents all the GValues in @vector.
114  * The caller is responsible for freeing the result.
115  *
116  * Returns (transfer full): a string of comma-separated values
117  **/
118 gchar*
gsf_docprop_vector_as_string(GsfDocPropVector const * vector)119 gsf_docprop_vector_as_string (GsfDocPropVector const *vector)
120 {
121 	gchar		*rstring;
122 
123 	guint		 i;
124 	guint		 num_values;
125 
126 	g_return_val_if_fail (vector != NULL, NULL);
127 	g_return_val_if_fail (vector->ga != NULL, NULL);
128 
129 	rstring    = g_new0 (gchar, 1);
130 	num_values = vector->ga->len;
131 
132 	for (i = 0; i < num_values; i++) {
133 		char    *str;
134 		GValue	*v;
135 
136 		v = &g_array_index (vector->ga, GValue, i);
137 		str = g_strdup_value_contents (v);
138 		rstring = g_strconcat (rstring, str, ",", NULL);
139 		g_free (str);
140 	}
141 
142 	return rstring;
143 }
144 
145 static void
gsf_docprop_vector_finalize(GObject * obj)146 gsf_docprop_vector_finalize (GObject *obj)
147 {
148 	GsfDocPropVector *vector = (GsfDocPropVector *) obj;
149 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
150 	if (vector->gva != NULL) {
151 		g_value_array_free (vector->gva);
152 		vector->gva = NULL;
153 	}
154 G_GNUC_END_IGNORE_DEPRECATIONS
155 	g_clear_pointer (&vector->ga, g_array_unref);
156 	parent_class->finalize (obj);
157 }
158 
159 static void
gsf_docprop_vector_class_init(GObjectClass * gobject_class)160 gsf_docprop_vector_class_init (GObjectClass *gobject_class)
161 {
162 	parent_class = g_type_class_peek (G_TYPE_OBJECT);
163 	gobject_class->finalize = gsf_docprop_vector_finalize;
164 }
165 
166 static void
gsf_docprop_vector_init(GsfDocPropVector * vector)167 gsf_docprop_vector_init (GsfDocPropVector *vector)
168 {
169 	vector->ga = g_array_sized_new (FALSE, TRUE, sizeof (GValue), 0);
170 	g_array_set_clear_func (vector->ga, (GDestroyNotify) g_value_unset);
171 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
172 	vector->gva = g_value_array_new (0);
173 G_GNUC_END_IGNORE_DEPRECATIONS
174 }
175 
GSF_CLASS(GsfDocPropVector,gsf_docprop_vector,gsf_docprop_vector_class_init,gsf_docprop_vector_init,G_TYPE_OBJECT)176 GSF_CLASS (GsfDocPropVector, gsf_docprop_vector,
177 	   gsf_docprop_vector_class_init, gsf_docprop_vector_init,
178 	   G_TYPE_OBJECT)
179 
180 /**
181  * gsf_docprop_vector_new:
182  *
183  * This function creates a new gsf_docprop_vector object.
184  *
185  * Returns: GsfDocPropVector*
186  **/
187 GsfDocPropVector*
188 gsf_docprop_vector_new (void)
189 {
190 	return g_object_new (GSF_DOCPROP_VECTOR_TYPE, NULL);
191 }
192