1 /*
2  * This file is part of gtkD.
3  *
4  * gtkD is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License
6  * as published by the Free Software Foundation; either version 3
7  * of the License, or (at your option) any later version, with
8  * some exceptions, please read the COPYING file.
9  *
10  * gtkD is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with gtkD; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19  
20 // generated automatically - do not change
21 // find conversion definition on APILookup.txt
22 // implement new conversion functionalities on the wrap.utils pakage
23 
24 /*
25  * Conversion parameters:
26  * inFile  = GMemoryOutputStream.html
27  * outPack = gio
28  * outFile = MemoryOutputStream
29  * strct   = GMemoryOutputStream
30  * realStrct=
31  * ctorStrct=GOutputStream
32  * clss    = MemoryOutputStream
33  * interf  = 
34  * class Code: Yes
35  * interface Code: No
36  * template for:
37  * extend  = 
38  * implements:
39  * 	- SeekableIF
40  * prefixes:
41  * 	- g_memory_output_stream_
42  * omit structs:
43  * omit prefixes:
44  * omit code:
45  * omit signals:
46  * imports:
47  * 	- gio.SeekableT
48  * 	- gio.SeekableIF
49  * structWrap:
50  * module aliases:
51  * local aliases:
52  * overrides:
53  */
54 
55 module gio.MemoryOutputStream;
56 
57 public  import gtkc.giotypes;
58 
59 private import gtkc.gio;
60 private import glib.ConstructionException;
61 private import gobject.ObjectG;
62 
63 
64 private import gio.SeekableT;
65 private import gio.SeekableIF;
66 
67 
68 
69 private import gio.OutputStream;
70 
71 /**
72  * GMemoryOutputStream is a class for using arbitrary
73  * memory chunks as output for GIO streaming output operations.
74  *
75  * As of GLib 2.34, GMemoryOutputStream implements
76  * GPollableOutputStream.
77  */
78 public class MemoryOutputStream : OutputStream, SeekableIF
79 {
80 	
81 	/** the main Gtk struct */
82 	protected GMemoryOutputStream* gMemoryOutputStream;
83 	
84 	
85 	public GMemoryOutputStream* getMemoryOutputStreamStruct()
86 	{
87 		return gMemoryOutputStream;
88 	}
89 	
90 	
91 	/** the main Gtk struct as a void* */
92 	protected override void* getStruct()
93 	{
94 		return cast(void*)gMemoryOutputStream;
95 	}
96 	
97 	/**
98 	 * Sets our main struct and passes it to the parent class
99 	 */
100 	public this (GMemoryOutputStream* gMemoryOutputStream)
101 	{
102 		super(cast(GOutputStream*)gMemoryOutputStream);
103 		this.gMemoryOutputStream = gMemoryOutputStream;
104 	}
105 	
106 	protected override void setStruct(GObject* obj)
107 	{
108 		super.setStruct(obj);
109 		gMemoryOutputStream = cast(GMemoryOutputStream*)obj;
110 	}
111 	
112 	// add the Seekable capabilities
113 	mixin SeekableT!(GMemoryOutputStream);
114 	
115 	/**
116 	 */
117 	
118 	/**
119 	 * Creates a new GMemoryOutputStream.
120 	 * If data is non-NULL, the stream will use that for its internal storage.
121 	 * If realloc_fn is non-NULL, it will be used for resizing the internal
122 	 * storage when necessary. To construct a fixed-size output stream,
123 	 * pass NULL as realloc_fn.
124 	 * $(DDOC_COMMENT example)
125 	 * Params:
126 	 * data = pointer to a chunk of memory to use, or NULL. [allow-none]
127 	 * size = the size of data
128 	 * reallocFunction = a function with realloc() semantics (like g_realloc())
129 	 * to be called when data needs to be grown, or NULL. [allow-none]
130 	 * destroyFunction = a function to be called on data when the stream is
131 	 * finalized, or NULL. [allow-none]
132 	 * Throws: ConstructionException GTK+ fails to create the object.
133 	 */
134 	public this (void* data, gsize size, GReallocFunc reallocFunction, GDestroyNotify destroyFunction)
135 	{
136 		// GOutputStream * g_memory_output_stream_new (gpointer data,  gsize size,  GReallocFunc realloc_function,  GDestroyNotify destroy_function);
137 		auto p = g_memory_output_stream_new(data, size, reallocFunction, destroyFunction);
138 		if(p is null)
139 		{
140 			throw new ConstructionException("null returned by g_memory_output_stream_new(data, size, reallocFunction, destroyFunction)");
141 		}
142 		this(cast(GMemoryOutputStream*) p);
143 	}
144 	
145 	/**
146 	 * Creates a new GMemoryOutputStream, using g_realloc() and g_free()
147 	 * for memory allocation.
148 	 * Since 2.36
149 	 * Throws: ConstructionException GTK+ fails to create the object.
150 	 */
151 	public this ()
152 	{
153 		// GOutputStream * g_memory_output_stream_new_resizable  (void);
154 		auto p = g_memory_output_stream_new_resizable();
155 		if(p is null)
156 		{
157 			throw new ConstructionException("null returned by g_memory_output_stream_new_resizable()");
158 		}
159 		this(cast(GMemoryOutputStream*) p);
160 	}
161 	
162 	/**
163 	 * Gets any loaded data from the ostream.
164 	 * Note that the returned pointer may become invalid on the next
165 	 * write or truncate operation on the stream.
166 	 * Returns: pointer to the stream's data. [transfer none]
167 	 */
168 	public void* getData()
169 	{
170 		// gpointer g_memory_output_stream_get_data (GMemoryOutputStream *ostream);
171 		return g_memory_output_stream_get_data(gMemoryOutputStream);
172 	}
173 	
174 	/**
175 	 * Gets the size of the currently allocated data area (available from
176 	 * g_memory_output_stream_get_data()). If the stream isn't
177 	 * growable (no realloc was passed to g_memory_output_stream_new()) then
178 	 * this is the maximum size of the stream and further writes
179 	 * will return G_IO_ERROR_NO_SPACE.
180 	 * Note that for growable streams the returned size may become invalid on
181 	 * the next write or truncate operation on the stream.
182 	 * If you want the number of bytes currently written to the stream, use
183 	 * g_memory_output_stream_get_data_size().
184 	 * Returns: the number of bytes allocated for the data buffer
185 	 */
186 	public gsize getSize()
187 	{
188 		// gsize g_memory_output_stream_get_size (GMemoryOutputStream *ostream);
189 		return g_memory_output_stream_get_size(gMemoryOutputStream);
190 	}
191 	
192 	/**
193 	 * Returns the number of bytes from the start up
194 	 * to including the last byte written in the stream
195 	 * that has not been truncated away.
196 	 * Since 2.18
197 	 * Returns: the number of bytes written to the stream
198 	 */
199 	public gsize getDataSize()
200 	{
201 		// gsize g_memory_output_stream_get_data_size  (GMemoryOutputStream *ostream);
202 		return g_memory_output_stream_get_data_size(gMemoryOutputStream);
203 	}
204 	
205 	/**
206 	 * Gets any loaded data from the ostream. Ownership of the data
207 	 * is transferred to the caller; when no longer needed it must be
208 	 * freed using the free function set in ostream's
209 	 * "destroy-function" property.
210 	 * ostream must be closed before calling this function.
211 	 * Since 2.26
212 	 * Returns: the stream's data. [transfer full]
213 	 */
214 	public void* stealData()
215 	{
216 		// gpointer g_memory_output_stream_steal_data (GMemoryOutputStream *ostream);
217 		return g_memory_output_stream_steal_data(gMemoryOutputStream);
218 	}
219 	
220 	/**
221 	 * Returns data from the ostream as a GBytes. ostream must be
222 	 * closed before calling this function.
223 	 * Since 2.34
224 	 * Returns: the stream's data. [transfer full]
225 	 */
226 	public GBytes* stealAsBytes()
227 	{
228 		// GBytes * g_memory_output_stream_steal_as_bytes  (GMemoryOutputStream *ostream);
229 		return g_memory_output_stream_steal_as_bytes(gMemoryOutputStream);
230 	}
231 }