127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
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/*++
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Copyright (c) 1991-2000, Microsoft Corporation All rights reserved.
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Module Name:
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jamo.h
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Abstract:
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This file contains the header information for the sorting of Old Hangul.
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Revision History:
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06-23-2000 YSLin Created.
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--*/
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#ifndef _JAMO_H
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#define _JAMO_H
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////////////////////////////////////////////////////////////////////////////
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//
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// Constant Declarations.
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//
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////////////////////////////////////////////////////////////////////////////
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//
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// Some Significant Values for Korean Jamo.
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//
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#define NLS_CHAR_FIRST_JAMO L'\x1100' // Beginning of the jamo range
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#define NLS_CHAR_LAST_JAMO L'\x11f9' // End of the jamo range
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#define NLS_CHAR_FIRST_VOWEL_JAMO L'\x1160' // First Vowel Jamo
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#define NLS_CHAR_FIRST_TRAILING_JAMO L'\x11a8' // First Trailing Jamo
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#define NLS_JAMO_VOWEL_COUNT 21 // Number of modern vowel jamo
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#define NLS_JAMO_TRAILING_COUNT 28 // Number of modern trailing consonant jamo
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#define NLS_HANGUL_FIRST_SYLLABLE L'\xac00' // Beginning of the modern syllable range
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//
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// Jamo classes for leading Jamo/Vowel Jamo/Trailing Jamo.
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//
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#define NLS_CLASS_LEADING_JAMO 1
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#define NLS_CLASS_VOWEL_JAMO 2
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#define NLS_CLASS_TRAILING_JAMO 3
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////////////////////////////////////////////////////////////////////////////
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//
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// Typedef Declarations.
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//
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////////////////////////////////////////////////////////////////////////////
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//
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// Expanded Jamo Sequence Sorting Info.
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// The JAMO_SORT_INFO.ExtraWeight is expanded to
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// Leading Weight/Vowel Weight/Trailing Weight
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// according to the current Jamo class.
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//
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typedef struct {
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BYTE m_bOld; // sequence occurs only in old Hangul flag
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BOOL m_bFiller; // Indicate if U+1160 (Hangul Jungseong Filler is used.
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CHAR m_chLeadingIndex; // indices used to locate the prior
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CHAR m_chVowelIndex; // modern Hangul syllable
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CHAR m_chTrailingIndex; //
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BYTE m_LeadingWeight; // extra weights that distinguish this from
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BYTE m_VowelWeight; // other old Hangul syllables
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BYTE m_TrailingWeight; //
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} JAMO_SORT_INFOEX, *PJAMO_SORT_INFOEX;
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////////////////////////////////////////////////////////////////////////////
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//
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// Macro Definitions.
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//
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////////////////////////////////////////////////////////////////////////////
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#define IS_JAMO(wch) \
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((wch) >= NLS_CHAR_FIRST_JAMO && (wch) <= NLS_CHAR_LAST_JAMO)
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#define IsJamo(wch) \
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((wch) >= NLS_CHAR_FIRST_JAMO && (wch) <= NLS_CHAR_LAST_JAMO)
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#define IsLeadingJamo(wch) \
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((wch) < NLS_CHAR_FIRST_VOWEL_JAMO)
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#define IsVowelJamo(wch) \
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((wch) >= NLS_CHAR_FIRST_VOWEL_JAMO && (wch) < NLS_CHAR_FIRST_TRAILING_JAMO)
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#define IsTrailingJamo(wch) \
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((wch) >= NLS_CHAR_FIRST_TRAILING_JAMO)
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////////////////////////////////////////////////////////////////////////////
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//
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// Function Prototypes.
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//
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////////////////////////////////////////////////////////////////////////////
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int
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MapOldHangulSortKey(
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PLOC_HASH pHashN,
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LPCWSTR pSrc, // source string
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int cchSrc, // the length of the string
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// LPWSTR* pPosUW, // generated Unicode weight
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WORD* pUW, // generated Unicode weight
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LPBYTE pXW, // generated extra weight (3 bytes)
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BOOL fModify);
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#endif // _JAMO_H
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