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#ifndef NW4HBM_UT_CHAR_STREAM_READER_H
#define NW4HBM_UT_CHAR_STREAM_READER_H
// required to fix data order in `lyt_textBox.cpp`
#include "../lyt/textBox.h"
#include "../db/assert.h"
namespace nw4hbm {
namespace ut {
class CharStrmReader {
public:
typedef u16 (CharStrmReader::*ReadFunc)();
CharStrmReader(ReadFunc func) : mCharStrm(NULL), mReadFunc(func) {}
void Set(const char* stream) {
NW4HBM_ASSERT_VALID_PTR(49, this);
NW4HBM_ASSERT_VALID_PTR(50, stream);
NW4HBM_ASSERT(53, mReadFunc == ReadNextCharUTF8 || mReadFunc == ReadNextCharCP1252 || mReadFunc == ReadNextCharSJIS);
mCharStrm = stream;
}
void Set(const wchar_t* stream) {
NW4HBM_ASSERT_VALID_PTR(59, this);
NW4HBM_ASSERT_ALIGN2(60, stream);
NW4HBM_ASSERT_VALID_PTR(61, stream);
NW4HBM_ASSERT(62, mReadFunc == ReadNextCharUTF16);
mCharStrm = stream;
}
const void* GetCurrentPos() const {
NW4HBM_ASSERT_VALID_PTR(68, this);
return mCharStrm;
}
u16 Next() {
NW4HBM_ASSERT_VALID_PTR(74, this);
return (this->*mReadFunc)();
}
u16 ReadNextCharUTF8();
u16 ReadNextCharUTF16();
u16 ReadNextCharCP1252();
u16 ReadNextCharSJIS();
template <typename T>
T GetChar() const {
const T* const charStrm = static_cast<const T* const>(mCharStrm);
return charStrm[0];
}
template <typename T>
T GetChar(int offset) const {
const T* const charStrm = static_cast<const T* const>(mCharStrm);
return charStrm[offset];
}
template <typename T>
void StepStrm(int step) {
const T*& charStrm = *reinterpret_cast<const T**>(&mCharStrm);
charStrm += step;
}
/* 0x00 */ const void* mCharStrm;
/* 0x04 */ const ReadFunc mReadFunc;
};
} // namespace ut
} // namespace nw4hbm
#endif
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