diff options
Diffstat (limited to 'core/fxcrt')
| -rw-r--r-- | core/fxcrt/fx_codepage.cpp | 70 | ||||
| -rw-r--r-- | core/fxcrt/fx_codepage.h | 4 |
2 files changed, 74 insertions, 0 deletions
diff --git a/core/fxcrt/fx_codepage.cpp b/core/fxcrt/fx_codepage.cpp index 56fad30c76..d59c93ed85 100644 --- a/core/fxcrt/fx_codepage.cpp +++ b/core/fxcrt/fx_codepage.cpp @@ -6,6 +6,9 @@ #include "core/fxcrt/fx_codepage.h" +#include <algorithm> +#include <utility> + namespace { const uint16_t g_FX_MSDOSThaiUnicodes[128] = { @@ -152,6 +155,45 @@ const uint16_t g_FX_MSWinBalticUnicodes[128] = { 0x017E, 0x02D9, }; +struct FX_CHARSET_MAP { + uint16_t charset; + uint16_t codepage; +}; + +const FX_CHARSET_MAP g_FXCharset2CodePageTable[] = { + {FX_CHARSET_ANSI, FX_CODEPAGE_MSWin_WesternEuropean}, + {FX_CHARSET_Default, FX_CODEPAGE_DefANSI}, + {FX_CHARSET_Symbol, FX_CODEPAGE_Symbol}, + {FX_CHARSET_MAC_Roman, FX_CODEPAGE_MAC_Roman}, + {FX_CHARSET_MAC_ShiftJIS, FX_CODEPAGE_MAC_ShiftJIS}, + {FX_CHARSET_MAC_Korean, FX_CODEPAGE_MAC_Korean}, + {FX_CHARSET_MAC_ChineseSimplified, FX_CODEPAGE_MAC_ChineseSimplified}, + {FX_CHARSET_MAC_ChineseTraditional, FX_CODEPAGE_MAC_ChineseTraditional}, + {FX_CHARSET_MAC_Hebrew, FX_CODEPAGE_MAC_Hebrew}, + {FX_CHARSET_MAC_Arabic, FX_CODEPAGE_MAC_Arabic}, + {FX_CHARSET_MAC_Greek, FX_CODEPAGE_MAC_Greek}, + {FX_CHARSET_MAC_Turkish, FX_CODEPAGE_MAC_Turkish}, + {FX_CHARSET_MAC_Thai, FX_CODEPAGE_MAC_Thai}, + {FX_CHARSET_MAC_EasternEuropean, FX_CODEPAGE_MAC_EasternEuropean}, + {FX_CHARSET_MAC_Cyrillic, FX_CODEPAGE_MAC_Cyrillic}, + {FX_CHARSET_ShiftJIS, FX_CODEPAGE_ShiftJIS}, + {FX_CHARSET_Hangul, FX_CODEPAGE_Hangul}, + {FX_CHARSET_Johab, FX_CODEPAGE_Johab}, + {FX_CHARSET_ChineseSimplified, FX_CODEPAGE_ChineseSimplified}, + {FX_CHARSET_ChineseTraditional, FX_CODEPAGE_ChineseTraditional}, + {FX_CHARSET_MSWin_Greek, FX_CODEPAGE_MSWin_Greek}, + {FX_CHARSET_MSWin_Turkish, FX_CODEPAGE_MSWin_Turkish}, + {FX_CHARSET_MSWin_Vietnamese, FX_CODEPAGE_MSWin_Vietnamese}, + {FX_CHARSET_MSWin_Hebrew, FX_CODEPAGE_MSWin_Hebrew}, + {FX_CHARSET_MSWin_Arabic, FX_CODEPAGE_MSWin_Arabic}, + {FX_CHARSET_MSWin_Baltic, FX_CODEPAGE_MSWin_Baltic}, + {FX_CHARSET_MSWin_Cyrillic, FX_CODEPAGE_MSWin_Cyrillic}, + {FX_CHARSET_Thai, FX_CODEPAGE_MSDOS_Thai}, + {FX_CHARSET_MSWin_EasternEuropean, FX_CODEPAGE_MSWin_EasternEuropean}, + {FX_CHARSET_US, FX_CODEPAGE_MSDOS_US}, + {FX_CHARSET_OEM, FX_CODEPAGE_MSDOS_WesternEuropean}, +}; + } // namespace const FX_CharsetUnicodes g_FX_CharsetUnicodes[8] = { @@ -164,3 +206,31 @@ const FX_CharsetUnicodes g_FX_CharsetUnicodes[8] = { {FX_CHARSET_MSWin_Arabic, g_FX_MSWinArabicUnicodes}, {FX_CHARSET_MSWin_Baltic, g_FX_MSWinBalticUnicodes}, }; + +uint16_t FX_GetCodePageFromCharset(uint8_t charset) { + auto* result = + std::lower_bound(std::begin(g_FXCharset2CodePageTable), + std::end(g_FXCharset2CodePageTable), charset, + [](const FX_CHARSET_MAP& iter, const uint16_t& charset) { + return iter.charset < charset; + }); + if (result != std::end(g_FXCharset2CodePageTable) && + result->charset == charset) { + return result->codepage; + } + return 0xFFFF; +} + +uint8_t FX_GetCharsetFromCodePage(uint16_t codepage) { + for (const auto& it : g_FXCharset2CodePageTable) { + if (it.codepage == codepage) + return it.charset; + } + return FX_CHARSET_ANSI; +} + +bool FX_CharSetIsCJK(uint8_t uCharset) { + return (uCharset == FX_CHARSET_ChineseSimplified) || + (uCharset == FX_CHARSET_ChineseTraditional) || + (uCharset == FX_CHARSET_Hangul) || (uCharset == FX_CHARSET_ShiftJIS); +} diff --git a/core/fxcrt/fx_codepage.h b/core/fxcrt/fx_codepage.h index 43692286a5..4a6c6d86b3 100644 --- a/core/fxcrt/fx_codepage.h +++ b/core/fxcrt/fx_codepage.h @@ -98,4 +98,8 @@ struct FX_CharsetUnicodes { extern const FX_CharsetUnicodes g_FX_CharsetUnicodes[8]; +uint16_t FX_GetCodePageFromCharset(uint8_t charset); +uint8_t FX_GetCharsetFromCodePage(uint16_t codepage); +bool FX_CharSetIsCJK(uint8_t uCharset); + #endif // CORE_FXCRT_FX_CODEPAGE_H_ |