"

stx:libscm - a new source code management library for Smalltalk/X

Copyright (C) 2012-2015 Jan Vrany

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License. 

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"

"{ Package: 'stx:libscm/common' }"

SCMAbstractPackageModel subclass:#SCMAbstractPackageRevision

	instanceVariableNames:'definition classNamesAndAttributes abbrevs'

	classVariableNames:''

	poolDictionaries:''

	category:'SCM-Common-StX'

!

Object subclass:#AbbrevEntry

	instanceVariableNames:'className fileName category numClassInstVars'

	classVariableNames:''

	poolDictionaries:''

	privateIn:SCMAbstractPackageRevision

!

Object subclass:#ProjectDefinition

	instanceVariableNames:'classNamesAndAttributes extensionMethodNames'

	classVariableNames:''

	poolDictionaries:''

	privateIn:SCMAbstractPackageRevision

!

!SCMAbstractPackageRevision class methodsFor:'documentation'!

copyright

"

stx:libscm - a new source code management library for Smalltalk/X

Copyright (C) 2012-2015 Jan Vrany

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License. 

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"

!

documentation

"

    A package revision represents a package at particular revision.

    [author:]

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

    [instance variables:]

    [class variables:]

    [see also:]

        HGPackageRevision

"

! !

!SCMAbstractPackageRevision class methodsFor:'testing'!

isAbstract

    ^ self == SCMAbstractPackageRevision

    "Created: / 13-11-2012 / 23:07:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 05-03-2014 / 22:06:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision methodsFor:'accessing'!

abbrevs

    abbrevs isNil ifTrue:[

        | abbrev_stc |

        abbrevs := Dictionary new.

        abbrev_stc := self containerFor: 'abbrev.stc' ifAbsent:[ nil ].

        abbrev_stc notNil ifTrue:[

            abbrev_stc readingFileDo:[:stream |

                Smalltalk

                    withAbbreviationsFromStream:stream contents asString readStream

                    do:[:nm :fn :pkg :cat :sz|

                        abbrevs at: nm put: (AbbrevEntry new className:nm fileName:fn category:cat numClassInstVars:sz)

                    ]

            ].

        ].

    ].

    ^ abbrevs

    "Created: / 14-03-2014 / 09:57:40 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 14-03-2014 / 22:18:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

changeSet

    "Returns a ChangeSet representing (Smalltalk) code of this

     package. For virtual packages, return nil."

    | changeset container |

    "/ If virtual, return nil. Q: Shouldn't it be better to throw an exception?

    self isVirtual ifTrue:[ ^ nil ].

    changeset := ChangeSet new.

    "/ Add all classes...

    self definition classNamesDo:[:name |

        container := self containerNameForClassNamed: name language: SmalltalkLanguage instance.

        container := self containerFor: container ifAbsent:[ nil ].

        container notNil ifTrue:[

           container readingFileDo:[:s|

               changeset addAll: (ChangeSet fromStream: s)

           ]

        ] ifFalse:[ 

            SCMPackageModelWarning newException

                messageText: 'Missing class container for ', name;

                parameter: (Array with: self with: name);

                raiseRequest.

        ].

    ].

    "/ Add all extensions...

    container := self containerNameForExtensions.

    container := self containerFor: container ifAbsent:[ nil ].

    definition extensionMethodNames notEmpty ifTrue:[ 

        container notNil ifTrue:[

           container readingFileDo:[:s|

               changeset addAll: (ChangeSet fromStream: s)

           ]

        ] ifFalse:[ 

            SCMPackageModelWarning newException

                messageText: 'Missing container for extensions';

                parameter: (Array with: self);

                raiseRequest.

        ].

    ] ifFalse:[ 

        container notNil ifTrue:[

           container readingFileDo:[:s|

               changeset addAll: (ChangeSet fromStream: s)

           ].

           SCMPackageModelWarning newException

               messageText: 'Project definition does not specify any extensions but extension container found';

               parameter: (Array with: self);

               raiseRequest.

        ]

    ].

    ^ changeset

    "Created: / 13-03-2014 / 22:38:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 14-03-2014 / 22:47:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

definition

    "Returns a kind of ProjectDefinition object that keeps some metadata

     about the package, namely class names and list of extension methods.

     For virtual packages, return nil."

    "/ If virtual, return nil. Q: Shouldn't it be better to throw an exception?

    self isVirtual ifTrue:[ ^ nil ].

    definition isNil ifTrue:[

        | changeset |

        self containerForProjectDefinition readingFileDo:[:s|  

            definition := SCMAbstractPackageRevision::ProjectDefinition fromStream: s    

        ].

    ].

    ^ definition

    "Created: / 14-03-2014 / 10:04:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision methodsFor:'accessing-private'!

childNamed: aString

   ^ self children 

        at: aString 

        ifAbsent: [ HGError raiseErrorString: ('No such child: %1' bindWith: aString) ]

    "Created: / 07-03-2014 / 23:01:25 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision methodsFor:'private'!

classNames

    ^ OrderedCollection streamContents:[:s|

        self classNamesDo:[:e | s nextPut: e ]  

    ]

    "Created: / 14-03-2014 / 09:20:20 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision methodsFor:'testing'!

isVirtual

    "Return true, if the package is virtual, i.e., there's no code in

     the package. False otherwise.

     Virtual packages serves merely as containers for nested packages"

    ^ virtual

    "Created: / 07-03-2014 / 23:01:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision::AbbrevEntry methodsFor:'accessing'!

category

    ^ category

!

className

    ^ className

!

className:classNameArg fileName:fileNameArg category:categoryArg numClassInstVars:numClassInstVarsArg

    className := classNameArg.

    fileName := fileNameArg.

    category := categoryArg.

    numClassInstVars := numClassInstVarsArg.

    "Created: / 18-08-2011 / 14:18:30 / cg"

!

fileName

    ^ fileName

!

numClassInstVars

    ^ numClassInstVars

    "Created: / 18-08-2011 / 14:18:37 / cg"

! !

!SCMAbstractPackageRevision::ProjectDefinition class methodsFor:'documentation'!

documentation

"

    SCMAbstractPackageRevision::ProjectDefinition is kind of light-weight

    project definition in keeping meta-data about package.

    It has, to some extent, protocol compatible with ProjectDefinition

    [author:]

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

    [instance variables:]

    [class variables:]

    [see also:]

        ProjectDefinition

"

! !

!SCMAbstractPackageRevision::ProjectDefinition class methodsFor:'instance creation'!

fromChangeSet:aChangeSet

    "Returns new definition based on data in changeset"

    ^ self new initializeFromChangeSet: aChangeSet

    "Created: / 14-03-2014 / 10:04:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

fromStream:aStream

    ^ self fromChangeSet: (ChangeSet fromStream: aStream)

    "Created: / 14-03-2014 / 10:04:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision::ProjectDefinition methodsFor:'accessing'!

classNamesAndAttributes

    ^ classNamesAndAttributes

!

classNamesAndAttributes:anArray

    classNamesAndAttributes := anArray.

!

extensionMethodNames

    ^ extensionMethodNames ? #()

    "Created: / 14-03-2014 / 17:40:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

extensionMethodNames:anArray

    extensionMethodNames := anArray.

    "Created: / 14-03-2014 / 17:40:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision::ProjectDefinition methodsFor:'initialization'!

initializeFromChangeSet: aChangeSet

    aChangeSet do:[:change | 

        (change isMethodCodeChange and:[ change selector = 'classNamesAndAttributes' ]) ifTrue:[ 

            classNamesAndAttributes := Compiler evaluate: (change source copyFrom: 'classNamesAndAttributes' size + 1).

        ].

        (change isMethodCodeChange and:[ change selector = 'extensionMethodNames' ]) ifTrue:[ 

            extensionMethodNames := Compiler evaluate: (change source copyFrom: 'extensionMethodNames' size + 1).

        ].

    ].

    "Created: / 14-03-2014 / 10:08:20 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 14-03-2014 / 17:35:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!SCMAbstractPackageRevision::ProjectDefinition methodsFor:'private'!

classNamesAndAttributesDo: aBlock

    classNamesAndAttributes do:[:entry |

        |className attributes|

        entry isArray ifFalse:[

            className := entry.

            attributes := #().

        ] ifTrue:[

            className := entry first.

            attributes := entry copyFrom:2.

        ].

        aBlock value: className value: attributes

     ].

    "Created: / 14-03-2014 / 09:19:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

classNamesDo: aBlock

    self classNamesAndAttributesDo:[:name :attributes | aBlock value: name ].

    "Created: / 14-03-2014 / 09:19:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !