Qt 4.8
qtextcodec_p.h
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41 
42 #ifndef QTEXTCODEC_P_H
43 #define QTEXTCODEC_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists for the convenience
50 // of the QTextCodec class. This header file may change from
51 // version to version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "qtextcodec.h"
57 #include <string.h>
58 
60 
61 #ifndef QT_NO_TEXTCODEC
62 
64 
66 {
67  static inline QTextCodecStateFreeFunction decode(const uint *src)
68  {
69  quintptr data;
70  memcpy(&data, src, sizeof(data));
71  return reinterpret_cast<QTextCodecStateFreeFunction>(data);
72  }
73  static inline void encode(uint *dst, QTextCodecStateFreeFunction fn)
74  {
75  quintptr data = reinterpret_cast<quintptr>(fn);
76  memcpy(dst, &data, sizeof(data));
77  }
78 };
79 
80 #else
81 
82 class QTextCodec
83 {
84 public:
85  enum ConversionFlag {
86  DefaultConversion,
87  ConvertInvalidToNull = 0x80000000,
88  IgnoreHeader = 0x1,
89  FreeFunction = 0x2
90  };
91  Q_DECLARE_FLAGS(ConversionFlags, ConversionFlag)
92 
93  struct ConverterState {
94  ConverterState(ConversionFlags f = DefaultConversion)
95  : flags(f), remainingChars(0), invalidChars(0), d(0) { state_data[0] = state_data[1] = state_data[2] = 0; }
96  ~ConverterState() { }
97  ConversionFlags flags;
98  int remainingChars;
99  int invalidChars;
100  uint state_data[3];
101  void *d;
102  private:
103  Q_DISABLE_COPY(ConverterState)
104  };
105 };
106 
107 #endif //QT_NO_TEXTCODEC
108 
110 
111 #endif
double d
Definition: qnumeric_p.h:62
QIntegerForSizeof< void * >::Unsigned quintptr
Definition: qglobal.h:986
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define Q_DECLARE_FLAGS(Flags, Enum)
The Q_DECLARE_FLAGS() macro expands to.
Definition: qglobal.h:2348
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static const char * data(const QByteArray &arr)
unsigned int uint
Definition: qglobal.h:996
static void encode(uint *dst, QTextCodecStateFreeFunction fn)
Definition: qtextcodec_p.h:73
void(* QTextCodecStateFreeFunction)(QTextCodec::ConverterState *)
Definition: qtextcodec_p.h:63
static QTextCodecStateFreeFunction decode(const uint *src)
Definition: qtextcodec_p.h:67
The QTextCodec class provides conversions between text encodings.
Definition: qtextcodec.h:62