"{ Package: 'stx:goodies/cypress' }"

CypressAbstractReaderWriter subclass:#CypressAbstractReader

	instanceVariableNames:'packageId'

	classVariableNames:''

	poolDictionaries:''

	category:'Cypress-New-Reader & Writer'

!

!CypressAbstractReader class methodsFor:'documentation'!

documentation

"

     Base abstract class for reading Cypress packages. Subclasses may

     implement various versions of the 'standard'.

    [author:]

        Jan Vrany <jan.vrany@fit.cvut.cz>

    [instance variables:]

    [class variables:]

    [see also:]

        CypressReader

        CypressFiletreeReader

"

! !

!CypressAbstractReader methodsFor:'reading'!

readPackage: name as: packageIdOrNil from: directory

    | pkgdir pkg |

    pkgdir := CypressRepository packageDirectoryForPackageName: name in: directory.

    pkgdir isNil ifTrue:[ 

        self error: 'No package named ', name ,' found in ', directory pathName.

    ].

    packageId := packageIdOrNil.

    pkg := CypressPackage new.

    self 

        readPropertiesFor: pkg from: pkgdir;

        readClassesFor: pkg from: pkgdir;

        readExtensionsFor: pkg from: pkgdir.

    ^pkg

    "Created: / 18-09-2012 / 13:16:59 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

readPackage: name from: directory

    ^self readPackage: name as: nil from: directory

    "Created: / 18-09-2012 / 09:43:09 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CypressAbstractReader methodsFor:'reading-private'!

readClass: name from: directory

    | clsdir cls |

    clsdir := directory / name.

    clsdir exists ifFalse:[

        clsdir := clsdir withSuffix: self defaultFileSuffixForClass.

    ].

    clsdir exists ifFalse:[

        self error: 'No such class in ', directory pathName.

        ^nil.

    ].

    cls := CypressClass new.

    self 

        readPropertiesFor: cls from: clsdir;

        readMethodsFor: cls from: clsdir.

    ^cls

    "Created: / 18-09-2012 / 09:54:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

readClassesFor: pkg from: directory

    directory directoryContentsAsFilenamesDo:[:each|

        each suffix = self defaultFileSuffixForClass ifTrue:[

            pkg classes add: (self readClass: each baseName from: directory)

        ]

    ]

    "Created: / 18-09-2012 / 09:52:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

readExtensionsFor: pkg from: directory

    directory directoryContentsAsFilenamesDo:[:each|

        each suffix = self defaultFileSuffixForExtensions ifTrue:[

            | clsname dir |

            clsname := each withoutSuffix baseName.

            dir := each / 'class'.

            dir exists ifTrue:[

                self readMethodsForClassNamed: clsname meta: true from: dir into: pkg extensions.

            ].

            dir := each / 'instance'.

            dir exists ifTrue:[

                self readMethodsForClassNamed: clsname meta: false from: dir into: pkg extensions.

            ]

        ]

    ]

    "Created: / 18-09-2012 / 10:11:16 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

readMethod:arg1 from:arg2

    "raise an error: must be redefined in concrete subclass(es)"

    ^ self subclassResponsibility

!

readMethodsFor: cls from: directory

    | dir |

    (dir := directory / 'class') exists ifTrue:[

        self readMethodsForClassNamed: cls name meta: true from: dir into: cls methods

    ].

    (dir := directory / 'instance') exists ifTrue:[

        self readMethodsForClassNamed: cls name meta: false from: dir into: cls methods

    ]

    "Created: / 18-09-2012 / 09:56:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

readMethodsForClassNamed: clsname meta: isClassMethod from: dir into: collection

    dir directoryContentsAsFilenamesDo:[:each|

        each suffix = 'st' ifTrue:[

            | mthd |

            mthd := self readMethod: each baseName from: dir.

            mthd meta: isClassMethod.

            mthd klass: clsname.

            collection add: mthd.

        ]

    ]

    "Created: / 18-09-2012 / 10:07:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

readPropertiesFor: model from: directory

    | props propFile |

    propFile := directory / self defaultFileNameForProperties.

    props := propFile exists 

        ifTrue:[CypressJSONReader parse: propFile]

        ifFalse:[Dictionary new].

    model properties: props.

    "Created: / 18-09-2012 / 09:47:09 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CypressAbstractReader class methodsFor:'documentation'!

version_SVN

    ^ '$Id::                                                                                                                        $'

! !