Created
February 7, 2014 11:10
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Clarion Get(Q, CompareFunction)
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PROGRAM | |
MAP | |
END | |
INCLUDE('ctGenericQ.inc'),ONCE | |
gtStrRef GROUP,TYPE | |
Str &STRING | |
END | |
gtStrVal GROUP(gtStrRef),TYPE | |
_Value LONG | |
END | |
qtStrVal QUEUE(gtStrVal),TYPE | |
END | |
ctStrVal CLASS(ctGenericQ),TYPE | |
Q &qtStrVal | |
CONSTRUCT PROCEDURE | |
Find PROCEDURE(STRING xStr),LONG,PROC | |
Add PROCEDURE(String xStr, LONG xValue) | |
Del PROCEDURE(),DERIVED | |
_Dispose PROCEDURE(),DERIVED | |
END | |
MAP | |
CompareStrRef PROCEDURE(*gtStrRef xA, *gtStrRef xB),SIGNED | |
END | |
INCLUDE('debuger.inc'),ONCE | |
DBG Debuger | |
oStr ctStrVal | |
MAP | |
LookFor PROCEDURE(STRING xLookFor) | |
END | |
CODE | |
DBG.mg_init('StringQueue') | |
DO Fill | |
oStr.Add('Hello',47) | |
oStr.Add('There',42) | |
oStr.Add('MarkGoldberg',1965) | |
LookFor('There') | |
LookFor('WTF') | |
LookFor('Hello') | |
LookFor('There ') !<-- notice the trailing space | |
LookFor(' There') !<-- notice the trailing space | |
assert(0,eqDBG&'={47} Done') | |
Fill ROUTINE | |
DATA | |
QREC LONG,AUTO | |
CODE | |
LOOP QREC = 65 TO 91 | |
oStr.Add( ALL(CHR(QRec),10),QREC) | |
END | |
LookFor PROCEDURE(STRING xLookFor) | |
Err LONG,AUTO | |
CODE | |
assert(0,eqDBG&'v----- LookFor['& xLookFor &']') | |
Err = oStr.Find(xLookFor) ; ASSERT(0,eqDBG&' Err['& Err &'] oStr.Str['& oStr.Q.Str &'] .Value['& oStr.Q._Value &']') | |
assert(0,eqDBG&'^----- LookFor['& xLookFor &']') | |
ctStrVal.CONSTRUCT PROCEDURE | |
CODE | |
SELF.Q &= NEW qtStrVal | |
SELF.GenericQ &= SELF.Q | |
ctStrVal.Del PROCEDURE | |
CODE | |
assert(0,eqDBG&'v ctStrVal.Del Str['& SELF.Q.Str &'] Value['& SELF.Q._Value &'] Records['& SELF.Records() &']') | |
DISPOSE(SELF.Q.Str) ;ASSERT(0,eqDBG&' ctStrVal.Del after dispose') | |
PUT(SELF.Q) | |
PARENT.Del() | |
;ASSERT(0,eqDBG&'^ ctStrVal.Del') | |
OMIT('**** WORKAROUND DEL ****') | |
ctStrVal.Del PROCEDURE | |
HoldStr &STRING | |
CODE | |
HoldStr &= SELF.Q.Str | |
assert(0,eqDBG&'v ctStrVal.Del Str['& SELF.Q.Str &'] Value['& SELF.Q._Value &'] Records['& SELF.Records() &']') | |
!DISPOSE(SELF.Q.Str) ;ASSERT(0,eqDBG&' ctStrVal.Del after dispose') | |
PARENT.Del() | |
DISPOSE(HoldStr) | |
;ASSERT(0,eqDBG&'^ ctStrVal.Del') | |
!END-OMIT('**** WORKAROUND DEL ****') | |
ctStrVal._Dispose PROCEDURE()!,DERIVED | |
CODE | |
ASSERT(0,eqDBG&'v ctStrVal._Dispose') | |
DISPOSE(SELF.Q) ; ASSERT(0,eqDBG&' ctStrVal._Dispose') | |
SELF.GenericQ &= NULL | |
ASSERT(0,eqDBG&'^ ctStrVal._Dispose') | |
ctStrVal.Add PROCEDURE(String xStr, LONG xValue) | |
CODE | |
SELF.Q.Str &= NEW STRING(SIZE(xStr)) | |
SELF.Q.Str = xStr | |
SELF.Q._Value = xValue | |
ADD(SELF.Q, SELF.Q.Str) | |
ctStrVal.Find PROCEDURE(STRING xStr) | |
HoldRef &STRING | |
HoldPtr LONG | |
FoundPtr LONG | |
RetErr LONG,AUTO | |
CODE | |
HoldRef &= NEW STRING(SIZE(xStr)) !<--- could make this conditional when: SIZE(xStr) > SIZE(SELF.Q.Str) | |
HoldRef = xStr | |
SELF.Q.Str &= HoldRef | |
SELF.Q.Str = xStr !<--- problem as current row might have a short &STRING | |
GET(SELF.Q, CompareStrRef ) | |
RetErr = ErrorCode() | |
DISPOSE(HoldRef) | |
RETURN RetErr | |
CompareStrRef PROCEDURE(*gtStrRef xA, *gtStrRef xB)!,SIGNED | |
RetAvsB SIGNED,AUTO | |
Compare:ALess EQUATE(-1) | |
Compare:Same EQUATE(0) | |
Compare:AGreater EQUATE(1) | |
CODE | |
assert(0,eqDBG&'v CompareStrRef xA['& CHOOSE( xA.Str &=NULL,'Null',xA.Str) &']') | |
assert(0,eqDBG&' CompareStrRef xB['& CHOOSE( xB.Str &=NULL,'Null',xB.Str) &']') | |
IF xA.Str &= NULL | |
RetAvsB = CHOOSE( xB.Str &= NULL , Compare:Same , | | |
Compare:ALess ) | |
ELSE | |
RetAvsB = CHOOSE( xB.Str &= NULL , Compare:AGreater, | | |
CHOOSE( xA.Str = xB.Str , Compare:Same , | | |
CHOOSE( xA.Str > xB.Str , Compare:AGreater, | | |
Compare:ALess ))) | |
END | |
assert(0,eqDBG&'^ CompareStrRef Returns['& RetAvsB &']') | |
RETURN RetAvsB | |
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