Files
harbour-core/harbour/tests/overload.prg
Viktor Szakats 232f180695 2012-07-19 10:23 UTC+0200 Viktor Szakats (harbour syenar.net)
* tests/arrayidx.prg
  * tests/brwpos.prg
  * tests/clasinit.prg
  * tests/clsicast.prg
  * tests/clsscast.prg
  * tests/clsscope.prg
  * tests/codebl.prg
  * tests/codebloc.prg
  * tests/cpinfo.prg
  * tests/db_brows.prg
  * tests/destruct.prg
  * tests/dynobj.prg
  * tests/flink.prg
  * tests/fortest.prg
  * tests/fsplit.prg
  * tests/inherit.prg
  * tests/keywords.prg
  * tests/multiarg.prg
  * tests/newrdd.prg
  * tests/onidle.prg
  * tests/overload.prg
  * tests/rto_get.prg
  * tests/setkeys.prg
  * tests/speedtst.prg
  * tests/stripem.prg
  * tests/tb1.prg
  * tests/testbrw.prg
  * tests/testdbf.prg
  * tests/testhtml.prg
  * tests/testwarn.prg
  * tests/tstblock.prg
  * tests/tstmacro.prg
  * tests/wvtext.prg
    * more cleanups
2012-07-19 08:26:32 +00:00

105 lines
3.0 KiB
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/*
* $Id$
*/
//
// Implementation of operator overload in Harbour
//
// Written by Eddie Runia <eddie@runia.com>
// www - http://harbour-project.org
//
// Placed in the public domain
//
#include "hbclass.ch"
PROCEDURE Main()
LOCAL oString := TString():New( "Hello" )
QOut( "Testing TString with Operator Overloading" )
QOut( oString:cValue )
QOut( "---" )
? ValType( oString )
QOut( "Equal........:", oString = "Hello" )
QOut( "Exactly Equal:", oString == "Hello" )
QOut( "Not Equal != :", oString != "Hello" )
QOut( "Not Equal <> :", oString <> "Hello" )
QOut( "Not Equal # :", oString # "Hello" )
QOut( "Substring $ :", oString $ "Hello" )
QOut( "Less than :", oString < "Hello" )
QOut( "Less than or Equal:", oString <= "Hello" )
QOut( "Greater than :", oString > "Hello" )
QOut( "Greater than or Equal:", oString >= "Hello" )
QOut( "Concatenation + :", oString + "Hello" )
QOut( "Concatenation - :", oString - "Hello" )
QOut( "Array index[2] :", oString[ 2 ] )
QOut( "Array index[3] := 'X' :", oString[ 3 ] := 'X' )
QOut( oString:cValue )
RETURN nil
CREATE CLASS tString
VAR cValue
METHOD New( cText ) INLINE ::cValue := cText, self
OPERATOR "=" ARG cArg INLINE ::cValue = cArg
OPERATOR "==" ARG cArg INLINE ::cValue == cArg
OPERATOR "!=" ARG cArg INLINE ::cValue != cArg
OPERATOR "<" ARG cArg INLINE ::cValue < cArg
OPERATOR "<=" ARG cArg INLINE ::cValue <= cArg
OPERATOR ">" ARG cArg INLINE ::cValue > cArg
OPERATOR ">=" ARG cArg INLINE ::cValue >= cArg
OPERATOR "+" ARG cArg INLINE ::cValue + cArg
OPERATOR "-" ARG cArg INLINE ::cValue - cArg
OPERATOR "$" ARG cArg INLINE ::cValue $ cArg
OPERATOR "[]" ARG nIndex INLINE iif( PCount() > 2, ;
::cValue := Stuff( ::cValue, nIndex, 1, hb_PValue( 3 ) ), ;
SubStr( ::cValue, nIndex, 1 ) )
ENDCLASS
/*
FUNCTION TString()
STATIC oClass
IF oClass == nil
oClass = HBClass():New( "TSTRING" ) // starts a new class definition
oClass:AddData( "cValue" ) // define this class objects datas
oClass:AddMethod( "New", @New() )
oClass:AddInline( "==", {| self, cTest | ::cValue == cTest } )
oClass:AddInline( "!=", {| self, cTest | ::cValue != cTest } )
oClass:AddInline( "<" , {| self, cTest | ::cValue < cTest } )
oClass:AddInline( "<=", {| self, cTest | ::cValue <= cTest } )
oClass:AddInline( ">" , {| self, cTest | ::cValue > cTest } )
oClass:AddInline( ">=", {| self, cTest | ::cValue >= cTest } )
oClass:AddInline( "+" , {| self, cTest | ::cValue + cTest } )
oClass:AddInline( "-" , {| self, cTest | ::cValue - cTest } )
oClass:AddInline( "$" , {| self, cTest | ::cValue $ cTest } )
oClass:AddInline( "HasMsg", {| self, cMsg | __objHasMsg( QSelf(), cMsg ) } )
oClass:Create() // builds this class
ENDIF
RETURN oClass:Instance() // builds an object of this class
STATIC FUNCTION New( cText )
LOCAL Self := QSelf()
::cValue := cText
RETURN Self
*/