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91 lines
2.1 KiB
Plaintext
91 lines
2.1 KiB
Plaintext
/*
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* Author....: Ralph Oliver, TRANSCOM SYSTEMS
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* CIS ID....: 74030,703
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*
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* This is an original work by Ralph Oliver and is placed in the
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* public domain.
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*
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* Modification history:
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* ---------------------
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*
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* Rev 1.2 15 Aug 1991 23:05:58 GLENN
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* Forest Belt proofread/edited/cleaned up doc
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*
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* Rev 1.1 12 Jun 1991 00:46:28 GLENN
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* Posted a referee suggestion: Around line 118, break out if no
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* occurrences (note the IF/ENDIF before the NEXT and RETURN at the
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* bottom of the function).
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*
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* Rev 1.0 07 Jun 1991 23:03:28 GLENN
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* Initial revision.
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*
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*
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*/
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FUNCTION ft_At2( cSearch, cTarget, nOccurs, lCaseSens )
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LOCAL nCount, nPos, nPos2 := 0
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LOCAL cSubstr := cTarget
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// Set default parameters as necessary.
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__defaultNIL( @lCaseSens, .T. )
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__defaultNIL( @nOccurs, 1 )
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FOR nCount := 1 TO nOccurs
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// Store position of next occurrence of cSearch.
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IF lCaseSens
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nPos := At( cSearch, cSubstr )
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ELSE
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nPos := At( Upper( cSearch ), Upper( cSubstr ) )
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ENDIF
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// Store position of cSearch relative to original string.
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nPos2 += nPos
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// Resize cSubstr
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cSubstr := SubStr( cSubstr, At( cSearch, cSubstr ) + 1 )
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// Breakout if there are no occurences here
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IF nPos == 0
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EXIT
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ENDIF
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NEXT
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RETURN nPos2
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FUNCTION ft_RAt2( cSearch, cTarget, nOccurs, lCaseSens )
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LOCAL nCount, nPos, nPos2 := 0
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LOCAL cSubstr := cTarget
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// Set default parameters as necessary.
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__defaultNIL( @lCaseSens, .T. )
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__defaultNIL( @nOccurs, 1 )
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FOR nCount := 1 TO nOccurs
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// Store position of next occurrence of cSearch.
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IF lCaseSens
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nPos := RAt( cSearch, cSubstr )
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ELSE
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nPos := RAt( Upper( cSearch ), Upper( cSubstr ) )
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ENDIF
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// Store position of cSearch relative to original string.
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nPos2 := nPos
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// Resize cSubstr
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cSubstr := SubStr( cSubstr, 1, RAt( cSearch, cSubstr ) - 1 )
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// Breakout if there are no occurences here
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IF nPos == 0
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EXIT
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ENDIF
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NEXT
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RETURN nPos2
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