49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
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/*
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* Automatic language and codepage detection
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*
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* Bob Powell, 2/97
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* Copyright (C) 1996, 1997, Microsoft Corp. All rights reserved.
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*/
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#if !defined( __LCDETECT_H__ )
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#define __LCDETECT_H__
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typedef struct LCDScore {
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UINT nLangID; // Win32 primary language ID
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UINT nCodePage; // Win32 code page (valid for SBCS input only!)
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int nDocPercent; // % of doc in this language, 0-100
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int nConfidence; // Relative confidence measure, approx 0-100
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} LCDScore;
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typedef struct LCDScore * PLCDScore;
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typedef struct LCDConfigure {
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int nMin7BitScore; // per-char score threshhold for 7-bit detection
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int nMin8BitScore; // " " for 8-bit
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int nMinUnicodeScore; // " " for Unicode
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int nRelativeThreshhold;// relative "" as % of the top scoring doc, 0-100
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int nDocPctThreshhold; // min % of doc in a language to score it, 0-100
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int nChunkSize; // # of chars to process at a time
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} LCDConfigure;
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typedef struct LCDConfigure *PLCDConfigure;
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typedef struct LCDConfigure const *PCLCDConfigure;
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// Pass in rough body text in pStr, length nChars
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// Pass in preallocated LCDScore array in paScores, array size in *pnScores.
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// On return, *pnScores is set to number of elements containing result data.
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//
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// If pLCDC is NULL, the default configuration is used.
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// To detect with a custom configuration, call LCD_GetConfig() to fill in
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// a copy of an LCDConfigure, and then pas it to LCD_Detect().
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extern "C" DWORD WINAPI LCD_Detect (LPCSTR pStr, int nChars,
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PLCDScore paScores, int *pnScores,
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PCLCDConfigure pLCDC);
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extern "C" DWORD WINAPI LCD_DetectW (LPCWSTR pwStr, int nChars,
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PLCDScore paScores, int *pnScores,
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PCLCDConfigure pLCDC);
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extern "C" void WINAPI LCD_GetConfig (PLCDConfigure pLCDC);
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#endif
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