170 lines
4.3 KiB
C++
170 lines
4.3 KiB
C++
//+---------------------------------------------------------------------------
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//
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//
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// Lextable.hpp
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//
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// History:
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// created 7/99 aarayas
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//
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// ©1999 Microsoft Corporation
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//----------------------------------------------------------------------------
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#include "lextable.hpp"
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//+---------------------------------------------------------------------------
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//
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// Function: IsUpperPunctW
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//
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// Synopsis: Returns true if wc is a punctuation character in the upper
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// unicode range
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//
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// Parameters:
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//
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// Modifies:
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//
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// History: created 7/99 aarayas
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL IsUpperPunctW(const WCHAR wc)
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{
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BOOL fRet = FALSE;
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if ((wc & 0xff00) == 0x2000) // is Unicode punctuation
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{
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fRet = TRUE;
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}
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else
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{
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switch(wc)
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{
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case 0x01C3: // Yet another latin exclamation mark
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case 0x037E: // Greek question mark
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case 0x03D7: // greek question mark
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case 0x055C: // Armenian exclamation mark
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case 0x055E: // Armenian question mark
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case 0x0589: // armenian period
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case 0x061F: // Arabic question mark
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case 0x06d4: // arabic period
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case 0x2026: // horizontal ellipsis
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case 0x2029: // paragraph separator
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case 0x203C: // Double eclamation mark
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case 0x2762: // Heavy exclamation mark
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case 0x3002: // ideographic period
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case 0xFE52: // small period
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case 0xFE56: // Small question mark
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case 0xFE57: // Small exclamation mark
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case 0xFF01: // Fullwidth exclamation mark
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case 0xFF0E: // fullwidth period
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case 0xFF1F: // Fullwidth question mark
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case 0xFF61: // halfwidth ideographic period
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fRet = TRUE;
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break;
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}
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}
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return fRet;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: IsUpperWordDelimW
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//
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// Synopsis: figures out whether an upper unicode char is a word delimiter
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//
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// Parameters:
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//
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// Modifies:
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//
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// History: created 7/99 aarayas
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL IsUpperWordDelimW(WCHAR wc)
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{
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return (wc & 0xfff0) == 0x2000 ||
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wc == 0x2026 || // ellipsis
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wc == 0x2013 || // en dash
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wc == 0x2014; // em dash
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}
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//+---------------------------------------------------------------------------
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//
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// Function: TWB_IsCharPunctW
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//
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// Synopsis: figures out whether charater is a punctuation
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//
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// Parameters:
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//
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// Modifies:
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//
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// History: created 7/99 aarayas
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL TWB_IsCharPunctW(WCHAR ch)
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{
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return INUPPERPAGES(ch) ? IsUpperPunctW(ch) : rgFlags[(UCHAR) ch] & Lex_PunctFlag;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: TWB_IsCharPunctW
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//
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// Synopsis: figures out whether charater is a word delimiter
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//
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// Parameters:
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//
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// Modifies:
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//
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// History: created 7/99 aarayas
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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BOOL TWB_IsCharWordDelimW(WCHAR ch)
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{
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return INUPPERPAGES(ch) ? IsUpperWordDelimW(ch) : rgPunctFlags[(UCHAR) ch] & Lex_SpaceFlag;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: IsThaiChar
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//
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// Synopsis: determine if the character is a Thai character
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//
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// Parameters:
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//
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// Modifies:
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//
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// History: created 7/99 aarayas
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//
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// Notes: 13/12/99 - take out Thai numbers as Thai Characters since
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// we want to consider them like english numbers.
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//
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//----------------------------------------------------------------------------
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bool IsThaiChar(const WCHAR wch)
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{
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return ( wch >= 0x0e01 && wch <= 0x0e59);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: IsThaiNumeric
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//
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// Synopsis: determine if the character is a Thai character
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//
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// Parameters:
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//
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// Modifies:
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//
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// History: created 5/00 aarayas
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//
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//----------------------------------------------------------------------------
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bool IsThaiNumeric(const WCHAR wch)
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{
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return ( wch >= 0x0e50 && wch <= 0x0e59);
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}
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