diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/Common/UTFConvert.cpp')
-rw-r--r-- | src/libs/7zip/win/CPP/Common/UTFConvert.cpp | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/src/libs/7zip/win/CPP/Common/UTFConvert.cpp b/src/libs/7zip/win/CPP/Common/UTFConvert.cpp deleted file mode 100644 index 38bac3331..000000000 --- a/src/libs/7zip/win/CPP/Common/UTFConvert.cpp +++ /dev/null @@ -1,176 +0,0 @@ -// UTFConvert.cpp - -#include "StdAfx.h" - -#include "MyTypes.h" -#include "UTFConvert.h" - -static const Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; - -bool CheckUTF8(const char *src) throw() -{ - for (;;) - { - Byte c; - unsigned numAdds; - c = *src++; - if (c == 0) - return true; - - if (c < 0x80) - continue; - if (c < 0xC0) - return false; - for (numAdds = 1; numAdds < 5; numAdds++) - if (c < kUtf8Limits[numAdds]) - break; - UInt32 value = (c - kUtf8Limits[numAdds - 1]); - - do - { - Byte c2 = *src++; - if (c2 < 0x80 || c2 >= 0xC0) - return false; - value <<= 6; - value |= (c2 - 0x80); - } - while (--numAdds); - - if (value >= 0x110000) - return false; - } -} - - -static Bool Utf8_To_Utf16(wchar_t *dest, size_t *destLen, const char *src, size_t srcLen) throw() -{ - size_t destPos = 0, srcPos = 0; - for (;;) - { - Byte c; - unsigned numAdds; - if (srcPos == srcLen) - { - *destLen = destPos; - return True; - } - c = (Byte)src[srcPos++]; - - if (c < 0x80) - { - if (dest) - dest[destPos] = (wchar_t)c; - destPos++; - continue; - } - if (c < 0xC0) - break; - for (numAdds = 1; numAdds < 5; numAdds++) - if (c < kUtf8Limits[numAdds]) - break; - UInt32 value = (c - kUtf8Limits[numAdds - 1]); - - do - { - Byte c2; - if (srcPos == srcLen) - break; - c2 = (Byte)src[srcPos++]; - if (c2 < 0x80 || c2 >= 0xC0) - break; - value <<= 6; - value |= (c2 - 0x80); - } - while (--numAdds); - - if (value < 0x10000) - { - if (dest) - dest[destPos] = (wchar_t)value; - destPos++; - } - else - { - value -= 0x10000; - if (value >= 0x100000) - break; - if (dest) - { - dest[destPos + 0] = (wchar_t)(0xD800 + (value >> 10)); - dest[destPos + 1] = (wchar_t)(0xDC00 + (value & 0x3FF)); - } - destPos += 2; - } - } - *destLen = destPos; - return False; -} - -static Bool Utf16_To_Utf8(char *dest, size_t *destLen, const wchar_t *src, size_t srcLen) -{ - size_t destPos = 0, srcPos = 0; - for (;;) - { - unsigned numAdds; - UInt32 value; - if (srcPos == srcLen) - { - *destLen = destPos; - return True; - } - value = src[srcPos++]; - if (value < 0x80) - { - if (dest) - dest[destPos] = (char)value; - destPos++; - continue; - } - if (value >= 0xD800 && value < 0xE000) - { - UInt32 c2; - if (value >= 0xDC00 || srcPos == srcLen) - break; - c2 = src[srcPos++]; - if (c2 < 0xDC00 || c2 >= 0xE000) - break; - value = (((value - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000; - } - for (numAdds = 1; numAdds < 5; numAdds++) - if (value < (((UInt32)1) << (numAdds * 5 + 6))) - break; - if (dest) - dest[destPos] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds))); - destPos++; - do - { - numAdds--; - if (dest) - dest[destPos] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F)); - destPos++; - } - while (numAdds != 0); - } - *destLen = destPos; - return False; -} - -bool ConvertUTF8ToUnicode(const AString &src, UString &dest) -{ - dest.Empty(); - size_t destLen = 0; - Utf8_To_Utf16(NULL, &destLen, src, src.Len()); - Bool res = Utf8_To_Utf16(dest.GetBuffer((unsigned)destLen), &destLen, src, src.Len()); - dest.ReleaseBuffer((unsigned)destLen); - return res ? true : false; -} - -bool ConvertUnicodeToUTF8(const UString &src, AString &dest) -{ - dest.Empty(); - size_t destLen = 0; - Utf16_To_Utf8(NULL, &destLen, src, src.Len()); - Bool res = Utf16_To_Utf8(dest.GetBuffer((unsigned)destLen), &destLen, src, src.Len()); - dest.ReleaseBuffer((unsigned)destLen); - return res ? true : false; -} |