Xerces-C++ 3.3.0
BinMemInputStream.hpp
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1/*
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16 */
17
18/*
19 * $Id$
20 */
21
22#if !defined(XERCESC_INCLUDE_GUARD_BINMEMINPUTSTREAM_HPP)
23#define XERCESC_INCLUDE_GUARD_BINMEMINPUTSTREAM_HPP
24
27
29
31{
32public :
33 // -----------------------------------------------------------------------
34 // Class specific types
35 // -----------------------------------------------------------------------
37 {
38 BufOpt_Adopt
39 , BufOpt_Copy
40 , BufOpt_Reference
41 };
42
43
44 // -----------------------------------------------------------------------
45 // Constructors and Destructor
46 // -----------------------------------------------------------------------
48 (
49 const XMLByte* const initData
50 , const XMLSize_t capacity
51 , const BufOpts bufOpt = BufOpt_Copy
53 );
55
56
57 // -----------------------------------------------------------------------
58 // Stream management methods
59 // -----------------------------------------------------------------------
60 void reset();
61
62
63 // -----------------------------------------------------------------------
64 // Implementation of the input stream interface
65 // -----------------------------------------------------------------------
66 virtual XMLFilePos curPos() const;
67
69 (
70 XMLByte* const toFill
71 , const XMLSize_t maxToRead
72 );
73
74 virtual const XMLCh* getContentType() const;
75
76 inline XMLSize_t getSize() const;
77
78private :
79 // -----------------------------------------------------------------------
80 // Unimplemented constructors and operators
81 // -----------------------------------------------------------------------
83 BinMemInputStream& operator=(const BinMemInputStream&);
84 // -----------------------------------------------------------------------
85 // Private data members
86 //
87 // fBuffer
88 // The buffer of bytes that we are streaming.
89 //
90 // fBufOpt
91 // Indicates the ownership status of the buffer. The caller can have
92 // us adopt it (we delete it), reference it, or just make our own
93 // copy of it.
94 //
95 // fCapacity
96 // The size of the buffer being streamed.
97 //
98 // fCurIndex
99 // The current index where the next byte will be read from. When it
100 // hits fCapacity, we are done.
101 // -----------------------------------------------------------------------
102 const XMLByte* fBuffer;
103 BufOpts fBufOpt;
104 XMLSize_t fCapacity;
105 XMLSize_t fCurIndex;
106 MemoryManager* fMemoryManager;
107};
108
109
110// ---------------------------------------------------------------------------
111// BinMemInputStream: Stream management methods
112// ---------------------------------------------------------------------------
114{
115 fCurIndex = 0;
116}
117
118
119// ---------------------------------------------------------------------------
120// BinMemInputStream: Implementation of the input stream interface
121// ---------------------------------------------------------------------------
123{
124 return fCurIndex;
125}
126
128{
129 return fCapacity;
130}
131
133
134#endif
#define XERCES_CPP_NAMESPACE_BEGIN
Definition XercesDefs.hpp:112
unsigned char XMLByte
Definition XercesDefs.hpp:65
#define XMLUTIL_EXPORT
Definition XercesDefs.hpp:162
#define XERCES_CPP_NAMESPACE_END
Definition XercesDefs.hpp:113
size_t XMLSize_t
Definition Xerces_autoconf_config.hpp:112
char16_t XMLCh
Definition Xerces_autoconf_config.hpp:120
XMLUInt64 XMLFilePos
Definition Xerces_autoconf_config.hpp:139
Definition BinInputStream.hpp:30
virtual XMLFilePos curPos() const =0
Definition BinMemInputStream.hpp:31
void reset()
Definition BinMemInputStream.hpp:113
virtual const XMLCh * getContentType() const
Return the "out-of-band" content type for the data supplied by this input stream in the form of the m...
BinMemInputStream(const XMLByte *const initData, const XMLSize_t capacity, const BufOpts bufOpt=BufOpt_Copy, MemoryManager *const manager=XMLPlatformUtils::fgMemoryManager)
BufOpts
Definition BinMemInputStream.hpp:37
virtual ~BinMemInputStream()
XMLSize_t getSize() const
Definition BinMemInputStream.hpp:127
virtual XMLFilePos curPos() const
Definition BinMemInputStream.hpp:122
virtual XMLSize_t readBytes(XMLByte *const toFill, const XMLSize_t maxToRead)
Configurable memory manager.
Definition MemoryManager.hpp:40
static MemoryManager * fgMemoryManager
The configurable memory manager.
Definition PlatformUtils.hpp:121