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39
40#ifndef QTEXTCODEC_P_H
41#define QTEXTCODEC_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of the QTextCodec class. This header file may change from
49// version to version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtCore/private/qglobal_p.h>
55#include <string.h>
56
57QT_BEGIN_NAMESPACE
58
59#if QT_CONFIG(textcodec)
60
61#include "qtextcodec.h"
62
63#if defined(Q_OS_MAC) || defined(Q_OS_ANDROID) || defined(Q_OS_QNX) || defined(Q_OS_WASM)
64#define QT_LOCALE_IS_UTF8
65#endif
66
67typedef void (*QTextCodecStateFreeFunction)(QTextCodec::ConverterState*);
68
69struct QTextCodecUnalignedPointer
70{
71 static inline QTextCodecStateFreeFunction decode(const uint *src)
72 {
73 quintptr data;
74 memcpy(&data, src, sizeof(data));
75 return reinterpret_cast<QTextCodecStateFreeFunction>(data);
76 }
77 static inline void encode(uint *dst, QTextCodecStateFreeFunction fn)
78 {
79 quintptr data = reinterpret_cast<quintptr>(fn);
80 memcpy(dst, &data, sizeof(data));
81 }
82};
83
84bool qTextCodecNameMatch(const char *a, const char *b);
85
86#else // without textcodec:
87
88class QTextCodec
89{
90public:
91 enum ConversionFlag {
92 DefaultConversion,
93 ConvertInvalidToNull = 0x80000000,
94 IgnoreHeader = 0x1,
95 FreeFunction = 0x2
96 };
97 Q_DECLARE_FLAGS(ConversionFlags, ConversionFlag)
98
99 struct ConverterState {
100 ConverterState(ConversionFlags f = DefaultConversion)
101 : flags(f), remainingChars(0), invalidChars(0), d(nullptr) { state_data[0] = state_data[1] = state_data[2] = 0; }
102 ~ConverterState() { }
103 ConversionFlags flags;
104 int remainingChars;
105 int invalidChars;
106 uint state_data[3];
107 void *d;
108 private:
109 Q_DISABLE_COPY(ConverterState)
110 };
111};
112
113#endif // textcodec
114
115QT_END_NAMESPACE
116
117#endif
118