alexhudson
136 lines
3.0 KiB
C++
136 lines
3.0 KiB
C++
/*------------------------------------------------------------------------------
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* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
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*
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* Distributable under the terms of either the Apache License (Version 2.0) or
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* the GNU Lesser General Public License, as specified in the COPYING file.
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------------------------------------------------------------------------------*/
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#include "CLucene.h"
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#include "English.h"
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CL_NS_USE(util)
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void English::IntToEnglish(int32_t i, StringBuffer* result)
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{
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if (i == 0)
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{
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result->append(_T("zero"));
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return ;
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}
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if (i < 0)
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{
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result->append(_T("minus "));
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i = - i;
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}
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if (i >= 1000000000)
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{
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// billions
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IntToEnglish(i / 1000000000, result);
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result->append(_T("billion, "));
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i = i % 1000000000;
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}
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if (i >= 1000000)
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{
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// millions
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IntToEnglish(i / 1000000, result);
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result->append(_T("million, "));
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i = i % 1000000;
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}
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if (i >= 1000)
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{
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// thousands
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IntToEnglish(i / 1000, result);
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result->append(_T("thousand, "));
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i = i % 1000;
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}
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if (i >= 100)
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{
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// hundreds
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IntToEnglish(i / 100, result);
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result->append(_T("hundred "));
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i = i % 100;
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}
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if (i >= 20)
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{
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switch (i / 10)
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{
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case 9: result->append(_T("ninety")); break;
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case 8: result->append(_T("eighty")); break;
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case 7: result->append(_T("seventy")); break;
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case 6: result->append(_T("sixty")); break;
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case 5: result->append(_T("fifty")); break;
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case 4: result->append(_T("forty")); break;
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case 3: result->append(_T("thirty")); break;
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case 2: result->append(_T("twenty")); break;
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}
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i = i % 10;
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if (i == 0)
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result->append(_T(" "));
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else
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result->append(_T("-"));
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}
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switch (i)
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{
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case 19: result->append(_T("nineteen ")); break;
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case 18: result->append(_T("eighteen ")); break;
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case 17: result->append(_T("seventeen ")); break;
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case 16: result->append(_T("sixteen ")); break;
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case 15: result->append(_T("fifteen ")); break;
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case 14: result->append(_T("fourteen ")); break;
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case 13: result->append(_T("thirteen ")); break;
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case 12: result->append(_T("twelve ")); break;
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case 11: result->append(_T("eleven ")); break;
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case 10: result->append(_T("ten ")); break;
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case 9: result->append(_T("nine ")); break;
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case 8: result->append(_T("eight ")); break;
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case 7: result->append(_T("seven ")); break;
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case 6: result->append(_T("six ")); break;
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case 5: result->append(_T("five ")); break;
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case 4: result->append(_T("four ")); break;
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case 3: result->append(_T("three ")); break;
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case 2: result->append(_T("two ")); break;
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case 1: result->append(_T("one ")); break;
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case 0: result->append(_T("")); break;
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}
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}
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TCHAR* English::IntToEnglish(int32_t i)
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{
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StringBuffer result;
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IntToEnglish(i, &result);
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return result.toString();
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}
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void English::IntToEnglish(int32_t i, TCHAR* buf, int32_t buflen)
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{
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StringBuffer result;
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IntToEnglish(i, &result);
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_tcsncpy(buf,result.getBuffer(),buflen);
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}
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