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 private import gio.SeekableT;
64 private import gio.SeekableIF;
65 
66 
67 private import gio.OutputStream;
68 
69 /**
70  * GMemoryOutputStream is a class for using arbitrary
71  * memory chunks as output for GIO streaming output operations.
72  *
73  * As of GLib 2.34, GMemoryOutputStream implements
74  * GPollableOutputStream.
75  */
76 public class MemoryOutputStream : OutputStream, SeekableIF
77 {
78 	
79 	/** the main Gtk struct */
80 	protected GMemoryOutputStream* gMemoryOutputStream;
81 	
82 	
83 	/** Get the main Gtk struct */
84 	public GMemoryOutputStream* getMemoryOutputStreamStruct()
85 	{
86 		return gMemoryOutputStream;
87 	}
88 	
89 	
90 	/** the main Gtk struct as a void* */
91 	protected override void* getStruct()
92 	{
93 		return cast(void*)gMemoryOutputStream;
94 	}
95 	
96 	/**
97 	 * Sets our main struct and passes it to the parent class
98 	 */
99 	public this (GMemoryOutputStream* gMemoryOutputStream)
100 	{
101 		super(cast(GOutputStream*)gMemoryOutputStream);
102 		this.gMemoryOutputStream = gMemoryOutputStream;
103 	}
104 	
105 	protected override void setStruct(GObject* obj)
106 	{
107 		super.setStruct(obj);
108 		gMemoryOutputStream = cast(GMemoryOutputStream*)obj;
109 	}
110 	
111 	// add the Seekable capabilities
112 	mixin SeekableT!(GMemoryOutputStream);
113 	
114 	/**
115 	 */
116 	
117 	/**
118 	 * Creates a new GMemoryOutputStream.
119 	 * If data is non-NULL, the stream will use that for its internal storage.
120 	 * If realloc_fn is non-NULL, it will be used for resizing the internal
121 	 * storage when necessary. To construct a fixed-size output stream,
122 	 * pass NULL as realloc_fn.
123 	 * $(DDOC_COMMENT example)
124 	 * Params:
125 	 * data = pointer to a chunk of memory to use, or NULL. [allow-none]
126 	 * size = the size of data
127 	 * reallocFunction = a function with realloc() semantics (like g_realloc())
128 	 * to be called when data needs to be grown, or NULL. [allow-none]
129 	 * destroyFunction = a function to be called on data when the stream is
130 	 * finalized, or NULL. [allow-none]
131 	 * Throws: ConstructionException GTK+ fails to create the object.
132 	 */
133 	public this (void* data, gsize size, GReallocFunc reallocFunction, GDestroyNotify destroyFunction)
134 	{
135 		// GOutputStream * g_memory_output_stream_new (gpointer data,  gsize size,  GReallocFunc realloc_function,  GDestroyNotify destroy_function);
136 		auto p = g_memory_output_stream_new(data, size, reallocFunction, destroyFunction);
137 		if(p is null)
138 		{
139 			throw new ConstructionException("null returned by g_memory_output_stream_new(data, size, reallocFunction, destroyFunction)");
140 		}
141 		this(cast(GMemoryOutputStream*) p);
142 	}
143 	
144 	/**
145 	 * Creates a new GMemoryOutputStream, using g_realloc() and g_free()
146 	 * for memory allocation.
147 	 * Since 2.36
148 	 * Throws: ConstructionException GTK+ fails to create the object.
149 	 */
150 	public this ()
151 	{
152 		// GOutputStream * g_memory_output_stream_new_resizable  (void);
153 		auto p = g_memory_output_stream_new_resizable();
154 		if(p is null)
155 		{
156 			throw new ConstructionException("null returned by g_memory_output_stream_new_resizable()");
157 		}
158 		this(cast(GMemoryOutputStream*) p);
159 	}
160 	
161 	/**
162 	 * Gets any loaded data from the ostream.
163 	 * Note that the returned pointer may become invalid on the next
164 	 * write or truncate operation on the stream.
165 	 * Returns: pointer to the stream's data. [transfer none]
166 	 */
167 	public void* getData()
168 	{
169 		// gpointer g_memory_output_stream_get_data (GMemoryOutputStream *ostream);
170 		return g_memory_output_stream_get_data(gMemoryOutputStream);
171 	}
172 	
173 	/**
174 	 * Gets the size of the currently allocated data area (available from
175 	 * g_memory_output_stream_get_data()). If the stream isn't
176 	 * growable (no realloc was passed to g_memory_output_stream_new()) then
177 	 * this is the maximum size of the stream and further writes
178 	 * will return G_IO_ERROR_NO_SPACE.
179 	 * Note that for growable streams the returned size may become invalid on
180 	 * the next write or truncate operation on the stream.
181 	 * If you want the number of bytes currently written to the stream, use
182 	 * g_memory_output_stream_get_data_size().
183 	 * Returns: the number of bytes allocated for the data buffer
184 	 */
185 	public gsize getSize()
186 	{
187 		// gsize g_memory_output_stream_get_size (GMemoryOutputStream *ostream);
188 		return g_memory_output_stream_get_size(gMemoryOutputStream);
189 	}
190 	
191 	/**
192 	 * Returns the number of bytes from the start up
193 	 * to including the last byte written in the stream
194 	 * that has not been truncated away.
195 	 * Since 2.18
196 	 * Returns: the number of bytes written to the stream
197 	 */
198 	public gsize getDataSize()
199 	{
200 		// gsize g_memory_output_stream_get_data_size  (GMemoryOutputStream *ostream);
201 		return g_memory_output_stream_get_data_size(gMemoryOutputStream);
202 	}
203 	
204 	/**
205 	 * Gets any loaded data from the ostream. Ownership of the data
206 	 * is transferred to the caller; when no longer needed it must be
207 	 * freed using the free function set in ostream's
208 	 * "destroy-function" property.
209 	 * ostream must be closed before calling this function.
210 	 * Since 2.26
211 	 * Returns: the stream's data. [transfer full]
212 	 */
213 	public void* stealData()
214 	{
215 		// gpointer g_memory_output_stream_steal_data (GMemoryOutputStream *ostream);
216 		return g_memory_output_stream_steal_data(gMemoryOutputStream);
217 	}
218 	
219 	/**
220 	 * Returns data from the ostream as a GBytes. ostream must be
221 	 * closed before calling this function.
222 	 * Since 2.34
223 	 * Returns: the stream's data. [transfer full]
224 	 */
225 	public GBytes* stealAsBytes()
226 	{
227 		// GBytes * g_memory_output_stream_steal_as_bytes  (GMemoryOutputStream *ostream);
228 		return g_memory_output_stream_steal_as_bytes(gMemoryOutputStream);
229 	}
230 }