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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
59QT_BEGIN_NAMESPACE
60
61#ifndef QT_NO_TEXTCODEC
62
63typedef void (*QTextCodecStateFreeFunction)(QTextCodec::ConverterState*);
64
65struct QTextCodecUnalignedPointer
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
82class QTextCodec
83{
84public:
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
109QT_END_NAMESPACE
110
111#endif
112