1 /*
2  * CustomBinaryOutputPort.h -
3  *
4  *   Copyright (c) 2009  Kokosabu(MIURA Yasuyuki)  <kokosabu@gmail.com>
5  *
6  *   Redistribution and use in source and binary forms, with or without
7  *   modification, are permitted provided that the following conditions
8  *   are met:
9  *
10  *   1. Redistributions of source code must retain the above copyright
11  *      notice, this list of conditions and the following disclaimer.
12  *
13  *   2. Redistributions in binary form must reproduce the above copyright
14  *      notice, this list of conditions and the following disclaimer in the
15  *      documentation and/or other materials provided with the distribution.
16  *
17  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
23  *   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  *   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  *   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  *  $Id$
30  */
31 
32 #ifndef SCHEME_CUSTOM_BINARY_OUTPUT_PORT_
33 #define SCHEME_CUSTOM_BINARY_OUTPUT_PORT_
34 
35 #include "BinaryOutputPort.h"
36 
37 namespace scheme {
38 
39 class CustomBinaryOutputPort : public BinaryOutputPort
40 {
41 public:
42     CustomBinaryOutputPort(VM* theVM, const ucs4string& id, Object writeProc, Object getPositionProc, Object setPositionDProc, Object closeProc);
43     virtual ~CustomBinaryOutputPort();
44 
45     int putU8(uint8_t v);
46     int64_t putU8(uint8_t* v, int64_t size);
47     int64_t putByteVector(ByteVector* bv, int64_t start = 0);
48     int64_t putByteVector(ByteVector* bv, int64_t start, int64_t count);
49     int open();
50     int close();
51     int pseudoClose();
52     bool isClosed() const;
53     void flush();
54     bool hasPosition() const;
55     bool hasSetPosition() const;
56     Object position() const;
57     bool setPosition(int64_t position);
58     ucs4string toString();
59     File* getFile();
getLastErrorMessage()60     ucs4string getLastErrorMessage()
61     {
62         return UC("");
63     }
64 
65 private:
66     VM* theVM_;
67     const ucs4string id_;
68     const Object writeDProc_;
69     const Object getPositionProc_;
70     const Object setPositionDProc_;
71     const Object closeProc_;
72     bool isClosed_;
73     bool isPseudoClosed_;
74 };
75 
76 } // namespace scheme
77 
78 #endif // SCHEME_CUSTOM_BINARY_OUTPUT_PORT_
79