"

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/mercurial' }"

SCMAbstractPackageRevision subclass:#HGPackageRevision

	instanceVariableNames:'changeset changesetRoot'

	classVariableNames:''

	poolDictionaries:''

	category:'SCM-Mercurial-StX'

!

!HGPackageRevision 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

"

! !

!HGPackageRevision class methodsFor:'instance creation'!

changeset:anHGChangeset root:anHGChangesetFile 

    "Creates a new HGPackageRevision for given changeset and changeset file

     (assuming that changeset file is root of the package). 

     Raises an HGError when repositoru doesn't contain a Smalltalk/X package."

    ^ self new setChangeset: anHGChangeset root: anHGChangesetFile.

    "Created: / 06-03-2014 / 09:27:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 07-03-2014 / 10:35:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

changeset:anHGChangeset root:anHGChangesetFile name: aString

    "Creates a new HGPackageRevision for given changeset,  root and name.

     (assuming that changeset file is root of the package). 

     Raises an HGError when root doesn't contain a Smalltalk/X package."

    ^ self new setChangeset: anHGChangeset root: anHGChangesetFile name: aString

    "Created: / 07-03-2014 / 12:52:33 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!HGPackageRevision methodsFor:'accessing'!

revision

    "Return a logical revision package model"

    ^ changeset id

    "Created: / 05-03-2014 / 23:45:24 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!HGPackageRevision methodsFor:'accessing-containers'!

containerFor: aString ifAbsent: aBlock

    "Return a container as Filename with given name. If there's no such

     container, evaluates a block"            

    ^ (changesetRoot children includesKey: aString)   

        ifTrue:[ changesetRoot / aString ]

        ifFalse:[ aBlock value ]

    "Created: / 14-03-2014 / 22:17:17 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!HGPackageRevision methodsFor:'accessing-hierarchy'!

children

    children isNil ifTrue:[ 

        children := Dictionary new.

        changesetRoot children do:[:each | 

            each isDirectory ifTrue:[ 

                | childPackageName child |

                childPackageName := (name includes: $:) 

                        ifTrue:[ name , '/' , each baseName ] 

                        ifFalse:[ name , ':' , each baseName ].

                [ 

                    child := self class changeset: changeset root: each name: childPackageName.

                    child setParent: self.

                    children at: each baseName put: child.

                ] on: HGError do:[:ex | 

                    "/ OK, directory does not contain a package...

                ].

            ].

        ].

    ].

    ^ children values

    "Created: / 07-03-2014 / 12:47:02 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 07-03-2014 / 14:24:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!HGPackageRevision methodsFor:'initialization'!

setChangeset: anHGChangeset root: anHGChangesetFile

    "Initializes a package rev for given changeset and root.

     Raises an exception, if given root does not contain

     a Smalltalk/X package"

    | make_spec |

    "/ Look for Make.spec and extract package name from there

    "/ Hmm...stupid, / raises an error when file does not exist.

    "/ Maybe I should change it...

    [

        make_spec := anHGChangesetFile / 'Make.spec'

    ] on: HGError do:[

        make_spec := nil.

    ].

    make_spec notNil ifTrue:[ 

        | module module_dir |

        make_spec readingLinesDo:[:line|

            (line startsWith:'MODULE_DIR=') ifTrue:[ 

                module_dir := line copyFrom: "'MODULE_DIR=' size"11 + 1.

            ] ifFalse:[ 

                (line startsWith:'MODULE=') ifTrue:[ 

                    module := line copyFrom: "'MODULE=' size"7 + 1.

                ]            

            ].

        ].

        (module notNil and:[ module_dir notNil ]) ifTrue:[            

            self setChangeset: anHGChangeset root: anHGChangesetFile name: (module , ':' , module_dir) virtual: false.

            ^ self.

        ].

    ].

    "/ Make.spec not found or failed to extract packagename from there.

    "/ Maybe this is a virtual package container such as stx:libscm.

    "/ Search directories, if any package is found there, derive my name

    "/ child's name.

    children := Dictionary new.

    anHGChangesetFile children do:[:each | 

        each isDirectory ifTrue:[ 

            | child |

            [ 

                child := self class changeset: anHGChangeset root: each.

                child setParent: self.

                children at: each baseName put: child.

            ] on: HGError do:[:ex | 

                "/ OK, directory does not contain a package...

            ].

        ].

    ].

    children notEmpty ifTrue:[ 

        | myName |

        myName := children anElement name asPackageId parentPackage asString.

        self setChangeset: anHGChangeset root: anHGChangesetFile name: myName virtual: true.

        ^ self.

    ].

    "/ None of my subdirectories is a valid Smalltalk/X package,

    "/ so not I'am.

    HGError raise.

    "Created: / 07-03-2014 / 10:38:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2014 / 10:06:28 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

setChangeset: anHGChangeset root: anHGChangesetFile name: aString

    "Initializes a package rev with given changeset and root and name."

    | v |

    [

        anHGChangesetFile / 'Make.spec'.

        v := false

    ] on: HGError do:[

        v := true.

    ].

    self setChangeset: anHGChangeset root: anHGChangesetFile name: aString virtual: v.

    "Created: / 07-03-2014 / 23:07:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

setChangeset: anHGChangeset root: anHGChangesetFile name: aString virtual: aBoolean

    "Initializes a package rev with given changeset and root and name."

    name := aString.

    changeset := anHGChangeset.

    changesetRoot := anHGChangesetFile.

    repository := anHGChangeset repository.

    repositoryRoot := anHGChangesetFile pathName.

    virtual := aBoolean. 

    virtual ifFalse:[

        "/ Check, whether the project definition class really exists

        [ 

        ] on: HGError do:[ 

            ^ HGError newException

                parameter: (Array with: anHGChangeset with: anHGChangesetFile with: aString);

                messageText: ('No project definition class found for %1' bindWith: aString);

                raise.

        ].

    ].

    "Created: / 07-03-2014 / 23:03:11 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2014 / 10:06:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !