53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2015 by faddenSoft. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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#ifndef REFORMAT_CHARSET_H
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#define REFORMAT_CHARSET_H
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/*
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* Character set conversions.
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*/
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class Charset {
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public:
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// Convert a Mac OS Roman character value (from a IIgs document) to
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// its UTF-16 Unicode equivalent. This also includes a conversion
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// for the control characters. The transformation is reversible.
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static uint16_t ConvertMacRomanToUTF16(uint8_t ch) {
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return kUTF16Conv[ch];
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}
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// Convert a Mac OS Roman character value an 8-bit Windows CP1252
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// equivalent. The transformation is NOT reversible.
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static uint8_t ConvertMacRomanTo1252(uint8_t ch) {
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if (ch < 128)
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return ch;
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else
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return kCP1252Conv[ch-128];
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}
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// Simple Mac OS Roman to Unicode string conversion.
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static CString ConvertMORToUNI(const char* strMOR)
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{
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// We know that all MOR characters are represented in Unicode with a
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// single BMP code point, so we know that strlen(MOR) == wcslen(UNI).
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const size_t len = strlen(strMOR);
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CString strUNI;
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WCHAR* uniBuf = strUNI.GetBuffer(len);
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for (size_t i = 0; i < len; i++) {
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uniBuf[i] = Charset::ConvertMacRomanToUTF16(strMOR[i]);
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}
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strUNI.ReleaseBuffer(len);
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return strUNI;
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}
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static void CheckGSCharConv(void);
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private:
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static const uint8_t kCP1252Conv[];
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static const uint16_t kUTF16Conv[];
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};
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#endif /*REFORMAT_CHARSET_H*/
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