"{ Package: 'stx:libbasic3' }"

"{ NameSpace: Packages }"

Object subclass:#StxPackageFileWriter

	instanceVariableNames:'handler stream'

	classVariableNames:''

	poolDictionaries:''

	category:'Package-Handlers'

!

Object subclass:#Version1

	instanceVariableNames:'package'

	classVariableNames:''

	poolDictionaries:''

	privateIn:StxPackageFileWriter

!

!StxPackageFileWriter class methodsFor:'instance creation'!

forPackage:aPackage 

    ^ (self version:1) forPackage:aPackage 

!

version:aVersionNumber

    aVersionNumber == 1 ifTrue:[

        ^ Version1.

    ].

    self error:'Version unknown'

! !

!StxPackageFileWriter::Version1 class methodsFor:'instance creation'!

forPackage:aPackage

    ^ self basicNew package:aPackage

! !

!StxPackageFileWriter::Version1 methodsFor:'accessing'!

fileOutVersion

    ^ 1

!

package

    "return the value of the instance variable 'package' (automatically generated)"

    ^ package

!

package:something

    "set the value of the instance variable 'package' (automatically generated)"

    package := something.

! !

!StxPackageFileWriter::Version1 methodsFor:'api'!

savePackageAs:aFilename

    | writeStream |

    self createPathFor:aFilename.

    [ 

        self canWriteTo:aFilename. "may return exceptions"

        writeStream := aFilename writeStream.

        self savePackageOn:writeStream.   "may return exceptions"

    ] ensure:[

        writeStream close.

    ].

    package markClean.

    ^ package

!

savePackageOn:aWriteStream

    self forPackage:package saveInstallationScriptChunkOn:aWriteStream.

    self forPackage:package saveClassDefinitionsOn:aWriteStream.

    self forPackage:package saveLooseMethodsOn:aWriteStream.

! !

!StxPackageFileWriter::Version1 methodsFor:'fileOut - chunks'!

forPackage:aPackage saveClassDefinitionsOn:aWriteStream 

    aPackage classNames size > 0 ifTrue:[

        aWriteStream nextPutAll:'"Class Definitions"!!'.

        aWriteStream cr.

        aPackage classNames do:[:aClass |

            self fileOutClass:(Smalltalk at:aClass) on:aWriteStream.

        ].

        aWriteStream cr.

        aWriteStream nextPutAll:'"End of Class Definitions"!!'.

        aWriteStream cr.

    ].

!

forPackage:aPackage saveInstallationScriptChunkOn:aWriteStream

    "create an installation script which is used to create

     an initial package which can help determine if the package

     is loadable"

    self forPackage:aPackage savePackageFormatOn:aWriteStream.

    self forPackage:aPackage savePackageInstanceCreationOn:aWriteStream.

    self forPackage:aPackage savePackageFileVersionOn:aWriteStream.

    self forPackage:aPackage savePackageCommentOn:aWriteStream.

    self forPackage:aPackage saveClassNamesOn:aWriteStream.

    self forPackage:aPackage saveLooseMethodNamesOn:aWriteStream.

    self forPackage:aPackage saveScriptsOn:aWriteStream.

    self forPackage:aPackage savePrerequisitesOn:aWriteStream.

    self forPackage:aPackage saveEndingOn:aWriteStream.

!

forPackage:aPackage saveLooseMethodsOn:aWriteStream 

    aPackage looseMethods size > 0 ifTrue:[

        aWriteStream nextPutAll:'"LooseMethods"!!'.

        aWriteStream cr.

        aPackage looseMethods do:[:aLooseMethod |

            self fileOutLooseMethod:aLooseMethod on:aWriteStream

        ].

        aWriteStream nextPutAll:'!!'.

        aWriteStream cr.

        aWriteStream nextPutAll:'"End of LooseMethods"!!'.

    ].

! !

!StxPackageFileWriter::Version1 methodsFor:'fileOut - subparts'!

fileOutClass:aClass on:aWriteStream

    "ClassDescription fileOutErrorSignal can occur here from autoloaded classes"

    aClass isLoaded ifFalse:[

        aClass autoload

    ].

    package blockedMethods isEmpty ifFalse:[

        Transcript 

                nextPutAll:'Finnish me!!'; 

                cr;

                nextPutAll:'''blockedMethods '' are not accounted for at the moment!!'' in:'; 

                cr;

                nextPutAll:'Packages::StxPackageFileWriter::Version1>>fileOutClass:on:'  ; 

                cr

    ].

    aClass fileOutOn:aWriteStream

!

fileOutLooseMethod:aMethod on:aWriteStream 

    aWriteStream nextPut:$!!.

    aWriteStream nextPutAll:aMethod mclass asString.

    aWriteStream nextPutAll:' methodsFor:'.

    aWriteStream nextPut:$'.

    aWriteStream nextPutAll:(aMethod category).

    aWriteStream nextPut:$'.

    aWriteStream nextPut:$!!.

    aWriteStream cr.

    aWriteStream nextPutAll:aMethod source.

    aWriteStream nextPut:$!!.

    aWriteStream cr.

!

forPackage:aPackage saveClassNamesOn:aWriteStream

    aPackage classNames size > 0 ifTrue:[

        aWriteStream 

            nextPutAll:'"ClassNames"';

            cr.

        aWriteStream 

            nextPutAll:'aPackage ';

            cr.

        aPackage classNames do:[:aClassname |

            aWriteStream 

                nextPutAll:'    addClassNamed:#', aClassname, ';';

                cr.

        ].

        aWriteStream nextPutAll:'    yourself.'; "pointless but makes this code more readable"    

        cr.

        aWriteStream 

            nextPutAll:'"End of ClassNames"';

            cr;

            cr.

    ].

!

forPackage:aPackage saveEndingOn:aWriteStream

    aWriteStream 

        nextPutAll:'aPackage!!';

        cr;

        cr.

!

forPackage:aPackage saveLooseMethodNamesOn:aWriteStream

    aPackage looseMethods size > 0 ifTrue:[

        aWriteStream 

            nextPutAll:'"LooseMethodNames"';

            cr.

        aWriteStream 

            nextPutAll:'aPackage ';

            cr.

        aPackage looseMethods do:[:aMethod |

            aWriteStream 

                nextPutAll:'    addMethodNamed:#', aMethod name, ' forClassNamed:#', aMethod mclass name,';';

                cr.

        ].

        aWriteStream nextPutAll:'    yourself.'. "pointless but makes this code more readable"    

        aWriteStream 

            cr;

            nextPutAll:'"End of LooseMethodNames"';

            cr;

            cr.

    ].

!

forPackage:aPackage savePackageCommentOn:aWriteStream 

    aWriteStream

        nextPutAll:'aPackage packageComment:';

        nextPutAll:aPackage packageComment ? '''''';

        nextPut:$.;

        cr;

        cr.

!

forPackage:aPackage savePackageFileVersionOn:aWriteStream 

    aWriteStream 

        nextPutAll:'aPackage packageVersion:';

        nextPutAll:self fileOutVersion printString;

        nextPut:$.;

        cr.

!

forPackage:aPackage savePackageFormatOn:aWriteStream 

    aWriteStream nextPutAll:'!!Packages::PackageHandler openStxPackageFormat:1!!';

    cr

!

forPackage:aPackage savePackageInstanceCreationOn:aWriteStream 

    aWriteStream 

        nextPutAll:'|aPackage|';

        cr;

        nextPutAll:'aPackage := Package named: ';

        nextPut:$';

        nextPutAll:aPackage name;

        nextPut:$';

        nextPut:$.;

        cr.

!

forPackage:aPackage savePrerequisitesOn:aWriteStream

    aPackage prerequisites size > 0 ifTrue:[

        aWriteStream

            nextPutAll:'"Prerequisites"';

            cr.

        self forPackage:aPackage savePrerequisteClassesOn:aWriteStream.

        self forPackage:aPackage  savePrerequistePackagesOn:aWriteStream.

        aWriteStream

            nextPutAll:'"End of Prerequisites"';

            cr;

            cr.

    ]

!

forPackage:aPackage savePrerequisteClassesOn:aWriteStream

    aPackage classPrerequisites size > 0 ifTrue:[

        aPackage classPrerequisites do:[:prerequisite |

            aWriteStream

                nextPutAll:'aPackage' ;

                cr;

                nextPutAll:'   addClassNamePrerequisite:#', prerequisite name;

                cr;

                nextPutAll:'   ifFailString:';

                nextPut:$';

                nextPutAll:prerequisite ifFailedString;

                nextPut:$';

                nextPut:$;;

                cr.

        ].

        aWriteStream nextPutAll:'   yourself.'; "pointless but makes this code more readable"    

        cr.

    ].

!

forPackage:aPackage savePrerequistePackagesOn:aWriteStream

    aPackage packagePrerequisites size > 0 ifTrue:[

        aPackage packagePrerequisites do:[:prerequisite |

            aWriteStream

                nextPutAll:'aPackage' ;

                cr;

                nextPutAll:'   addPackageNamePrerequisite:#', prerequisite name;

                cr;

                nextPutAll:'   ifFailString:';

                nextPut:$';

                nextPutAll:prerequisite ifFailedString;

                nextPut:$';

                nextPut:$;;

                cr.

        ].

        aWriteStream nextPutAll:'   yourself.'; "pointless but makes this code more readable"    

        cr.

    ]

!

forPackage:aPackage saveScriptsOn:aWriteStream 

    aPackage scripts size > 0 ifTrue:[ | aScript |

        aWriteStream 

            nextPutAll:'"Scripts"';

            cr.

        (aScript := aPackage postInstallScript) getString size == 0 ifFalse:[

            aWriteStream

                nextPutAll:'aPackage postInstallScriptString:';

                nextPut:$';

                nextPutAll:aScript getString;

                nextPut:$';

                nextPut:$.;

                cr.

        ].

        (aScript := aPackage preInstallScript) getString size == 0 ifFalse:[

            aWriteStream

                nextPutAll:'aPackage preInstallScriptString:';

                nextPut:$';

                nextPutAll:aScript getString;

                nextPut:$';

                nextPut:$.;

                cr.

        ].

        (aScript := aPackage postUninstallScript) getString size == 0 ifFalse:[

            aWriteStream

                nextPutAll:'aPackage postUninstallScriptString:';

                nextPut:$';

                nextPutAll:aScript getString;

                nextPut:$';

                nextPut:$.;

                cr.

        ].

        (aScript := aPackage postUninstallScript) getString size == 0 ifFalse:[

            aWriteStream

                nextPutAll:'aPackage preUninstallScriptString:';

                nextPut:$';

                nextPutAll:aScript getString;

                nextPut:$';

                nextPut:$.;

                cr.

        ].

        aWriteStream

            cr;

            cr.

    ].

! !

!StxPackageFileWriter::Version1 methodsFor:'helpers'!

createPathFor:aFilename

    " create the path name for the filename if it does not already exist"

    ^ aFilename directory makeDirectory.

! !

!StxPackageFileWriter::Version1 methodsFor:'instance creation'!

forPackage:aPackage

    ^ self basicNew package:aPackage

! !

!StxPackageFileWriter::Version1 methodsFor:'queries'!

canWriteTo:aFilename

    "return an error if the reciever cannot write to aFilename"

    aFilename isFilename ifFalse:[

        ^ self error:aFilename printString, ' is not a filename so cannot be written to.'.

    ].

    aFilename directory exists ifFalse:[

        ^ self error:aFilename directory printString, ' directory does not exist.'.

    ].

    aFilename directory canBeWritten ifFalse:[

        ^ self error:aFilename printString, ' cannot be written to.'.

    ].

    (aFilename isDirectory not) ifFalse:[

        ^ self error:aFilename printString, ' is a directory and cannot be written to'.

    ].

! !

!StxPackageFileWriter class methodsFor:'documentation'!

version

    ^ '$Header: /cvs/stx/stx/libbasic3/packages/StxPackageFileWriter.st,v 1.1 2003-04-09 11:34:02 james Exp $'

! !