source: GTP/trunk/Lib/Vis/Preprocessing/src/GzBinFileInputStream.h @ 1264

Revision 1264, 4.4 KB checked in by mattausch, 18 years ago (diff)
Line 
1/*
2 * Copyright 1999-2000,2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/*
18 * $Log: GzBinFileInputStream.hpp,v $
19 * Revision 1.7  2004/09/08 13:56:21  peiyongz
20 * Apache License Version 2.0
21 *
22 * Revision 1.6  2004/01/29 11:48:46  cargilld
23 * Code cleanup changes to get rid of various compiler diagnostic messages.
24 *
25 * Revision 1.5  2003/12/17 13:58:02  cargilld
26 * Platform update for memory management so that the static memory manager (one
27 * used to call Initialize) is only for static data.
28 *
29 * Revision 1.4  2003/06/03 18:12:29  knoaman
30 * Add default value for memory manager argument.
31 *
32 * Revision 1.3  2003/05/16 03:11:22  knoaman
33 * Partial implementation of the configurable memory manager.
34 *
35 * Revision 1.2  2002/11/04 15:22:03  tng
36 * C++ Namespace Support.
37 *
38 * Revision 1.1.1.1  2002/02/01 22:22:09  peiyongz
39 * sane_include
40 *
41 * Revision 1.3  2000/02/24 20:05:23  abagchi
42 * Swat for removing Log from API docs
43 *
44 * Revision 1.2  2000/02/06 07:48:01  rahulj
45 * Year 2K copyright swat.
46 *
47 * Revision 1.1.1.1  1999/11/09 01:04:00  twl
48 * Initial checkin
49 *
50 * Revision 1.3  1999/11/08 20:45:03  rahul
51 * Swat for adding in Product name and CVS comment log variable.
52 *
53 */
54
55#if !defined(GZBINFILEINPUTSTREAM_HPP)
56#define GZBINFILEINPUTSTREAM_HPP
57
58#include <xercesc/util/BinInputStream.hpp>
59#include <xercesc/util/PlatformUtils.hpp>
60#include "gzstream.h"
61
62XERCES_CPP_NAMESPACE_BEGIN
63
64class /*XMLUTIL_EXPORT*/ GzBinFileInputStream : public BinInputStream
65{
66public :
67    // -----------------------------------------------------------------------
68    //  Constructors and Destructor
69    // -----------------------------------------------------------------------
70    GzBinFileInputStream
71    (
72        const   XMLCh* const    fileName
73        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
74    );
75
76    GzBinFileInputStream
77    (
78        const   char* const     fileName
79        , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
80    );
81
82 
83    virtual ~GzBinFileInputStream();
84
85
86    // -----------------------------------------------------------------------
87    //  Getter methods
88    // -----------------------------------------------------------------------
89    bool getIsOpen() const;
90    unsigned int getSize() const;
91    void reset();
92
93
94    // -----------------------------------------------------------------------
95    //  Implementation of the input stream interface
96    // -----------------------------------------------------------------------
97    virtual unsigned int curPos() const;
98
99    virtual unsigned int readBytes
100    (
101                XMLByte* const      toFill
102        , const unsigned int        maxToRead
103    );
104
105        igzstream mStream;
106
107        unsigned int mCurrentPos;
108
109private :
110    // -----------------------------------------------------------------------
111    //  Unimplemented constructors and operators
112    // -----------------------------------------------------------------------
113    GzBinFileInputStream(const GzBinFileInputStream&);
114    GzBinFileInputStream& operator=(const GzBinFileInputStream&);   
115
116    // -----------------------------------------------------------------------
117    //  Private data members
118    //
119    //  fSource
120    //      The source file that we represent. The FileHandle type is defined
121    //      per platform.
122    // -----------------------------------------------------------------------
123    FileHandle              fSource;
124    MemoryManager* const    fMemoryManager;
125};
126
127
128// ---------------------------------------------------------------------------
129//  GzBinFileInputStream: Getter methods
130// ---------------------------------------------------------------------------
131inline bool GzBinFileInputStream::getIsOpen() const
132{
133        return (mStream.is_open());//(fSource != 0);
134}
135
136XERCES_CPP_NAMESPACE_END
137
138#endif
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