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Higher level functions added. o(Add/Mod/Del)(Data/Method/Inline)

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This commit is contained in:
Eddie Runia
1999-05-13 14:08:52 +00:00
parent 93a8989d5a
commit 23ea54a1a4
1 changed files with 147 additions and 18 deletions
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165
harbour/tests/broken/dynobj.prg
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@@ -28,8 +28,8 @@ function Main()
QOut( "Let's add inline 'CalcArea' at run-time to an already instanced class" )
ClassAdd( oForm:ClassH, "CalcArea", ;
{|self| ( ::nRight - ::nLeft ) * ( ::nBottom - ::nTop ) }, MET_INLINE )
oAddInline( oForm, "CalcArea", ;
{|self| ( ::nRight - ::nLeft ) * ( ::nBottom - ::nTop ) } )
QOut( "What methods are in the class :" )
HBDebug( aoMethod( oForm ) )
@@ -39,7 +39,7 @@ function Main()
QOut( "Let's add method 'Smile' at run-time to an already instanced class" )
ClassAdd( oForm:ClassH, "Smile", @Smile(), MET_METHOD )
oAddMethod( oForm, "Smile", @Smile() )
QOut( "What methods are in the class :" )
HBDebug( aoMethod( oForm ) )
@@ -55,10 +55,7 @@ function Main()
QOut( "Let's add an additional data item" )
nSeq := __wDataInc( oForm:ClassH ) // Allocate new Seq#
QOut( "New Seq# ", nSeq )
ClassAdd( oForm:ClassH, "cHelp" , nSeq, MET_DATA )
ClassAdd( oForm:ClassH, "_cHelp", nSeq, MET_DATA )
oAddData( oForm, "cHelp" )
oForm:cHelp := "This is a real tricky test"
@@ -69,18 +66,14 @@ function Main()
QOut( "Let's attach a bigger smile" )
ClassMod( oForm:ClassH, "Smile", @BigSmile() )
oModMethod( oForm, "Smile", @BigSmile() )
QOut( "Let's smile" )
oForm:Smile()
/* QOut( "Let's crash" )
ClassMod( oForm:ClassH, "cText", 24 )
ClassMod( oForm:ClassH, "_cText", 24 ) */
QOut( "And CalcArea() will now give a result in square inches" )
ClassMod( oForm:ClassH, "CalcArea", ;
oModInline( oForm, "CalcArea", ;
{|self| ( ::nRight - ::nLeft ) * ( ::nBottom - ::nTop ) / (2.54*2.54) } )
QOut( "What is the Form area ?" )
@@ -90,13 +83,13 @@ function Main()
HBDebug( aoMethod( oForm ) )
QOut( "Delete CalcArea" )
ClassDel( oForm:ClassH, "CalcArea" )
oDelInline( oForm, "CalcArea" )
QOut( "What methods are in the class :" )
HBDebug( aoMethod( oForm ) )
QOut( "Delete Smile" )
ClassDel( oForm:ClassH, "Smile" )
oDelMethod( oForm, "Smile" )
QOut( "What methods are in the class :" )
HBDebug( aoMethod( oForm ) )
@@ -108,9 +101,7 @@ function Main()
QOut( "Let's delete cHelp" )
ClassDel( oForm:ClassH, "cHelp" )
ClassDel( oForm:ClassH, "_cHelp" )
__wDataDec( oForm:ClassH )
oDelData( oForm, "cHelp" )
QOut( "Data items after" )
HBDebug( oForm )
@@ -178,3 +169,141 @@ function Pause()
__Accept( "Pause :" )
return nil
//
// <oObj> := oAddMethod( <oObj>, <cSymbol>, <nFuncPtr> )
//
// Add a method to an already existing class
//
function oAddMethod( oObj, cSymbol, nFuncPtr )
if IsMessage( oObj, cSymbol )
QOut( "OADDMETHOD: ", cSymbol, " already exists in class." )
elseif ValType( nFuncPtr ) != "N"
QOut( "OADDMETHOD: Argument type error <nFuncPtr>" )
elseif ValType( oObj ) != "O"
QOut( "OADDMETHOD: Argument type error <oObj>" )
else
ClassAdd( oObj:ClassH, cSymbol, nFuncPtr, MET_METHOD )
endif
return oObj
//
// <oObj> := oAddInline( <oObj>, <cSymbol>, <bInline> )
//
// Add an INLINE to an already existing class
//
function oAddInline( oObj, cSymbol, bInline )
if IsMessage( oObj, cSymbol )
QOut( "OADDINLINE: ", cSymbol, " already exists in class." )
elseif ValType( bInline ) != "B"
QOut( "OADDINLINE: Argument type error <bInline>" )
elseif ValType( oObj ) != "O"
QOut( "OADDINLINE: Argument type error <oObj>" )
else
ClassAdd( oObj:ClassH, cSymbol, bInline, MET_INLINE )
endif
return oObj
//
// <oObj> := oAddData( <oObj>, <cSymbol> )
//
// Add a DATA to an already existing class
//
function oAddData( oObj, cSymbol )
local nSeq
if IsMessage( oObj, cSymbol ) .or. IsMessage( oObj, "_" + cSymbol )
QOut( "OADDDATA: ", cSymbol, " already exists in class." )
elseif ValType( oObj ) != "O"
QOut( "OADDDATA: Argument type error <oObj>" )
else
nSeq := __wDataInc( oObj:ClassH ) // Allocate new Seq#
ClassAdd( oObj:ClassH, cSymbol, nSeq, MET_DATA )
ClassAdd( oObj:ClassH, "_" + cSymbol, nSeq, MET_DATA )
endif
return oObj
//
// <oObj> := oModMethod( <oObj>, <cSymbol>, <nFuncPtr> )
//
// Modify a method to an already existing class
//
function oModMethod( oObj, cSymbol, nFuncPtr )
if !IsMethod( oObj, cSymbol )
QOut( "OMODMETHOD: ", cSymbol, " doesnot exists in class." )
elseif ValType( nFuncPtr ) != "N"
QOut( "OMODMETHOD: Argument type error <nFuncPtr>" )
elseif ValType( oObj ) != "O"
QOut( "OMODMETHOD: Argument type error <oObj>" )
else
ClassMod( oObj:ClassH, cSymbol, nFuncPtr )
endif
return oObj
//
// <oObj> := oModInline( <oObj>, <cSymbol>, <bInline> )
//
// Modify an INLINE to an already existing class
//
function oModInline( oObj, cSymbol, bInline )
if !IsMethod( oObj, cSymbol )
QOut( "OMODINLINE: ", cSymbol, " doesnot exists in class." )
elseif ValType( bInline ) != "B"
QOut( "OMODINLINE: Argument type error <bInline>" )
elseif ValType( oObj ) != "O"
QOut( "OMODINLINE: Argument type error <oObj>" )
else
ClassMod( oObj:ClassH, cSymbol, bInline )
endif
return oObj
//
// <oObj> := oDelMethod( <oObj>, <cSymbol> )
//
// Delete a method from an already existing class
//
function oDelMethod( oObj, cSymbol )
if !IsMethod( oObj, cSymbol )
QOut( "ODELMETHOD: ", cSymbol, " doesnot exists in class." )
elseif ValType( oObj ) != "O"
QOut( "ODELMETHOD: Argument type error <oObj>" )
else
ClassDel( oObj:ClassH, cSymbol )
endif
return oObj
function oDelInline( oObj, cSymbol )
return oDelMethod( oObj, cSymbol ) // Same story
//
// <oObj> := oDelData( <oObj>, <cSymbol> )
//
// Delete a DATA from an already existing class
//
function oDelData( oObj, cSymbol )
local nSeq
if !IsData( oObj, cSymbol )
QOut( "ODELDATA: ", cSymbol, " doesnot exists in class." )
elseif ValType( oObj ) != "O"
QOut( "ODELDATA: Argument type error <oObj>" )
else
ClassDel( oObj:ClassH, cSymbol, )
ClassDel( oObj:ClassH, "_" + cSymbol )
nSeq := __wDataDec( oObj:ClassH ) // Decrease wData
endif
return oObj