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

MCDirectoryRepository subclass:#MCSubDirectoryRepository

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	category:'Monticello-Repositories'

!

MCSubDirectoryRepository comment:'A MCDirectoryRepository that looks in subdirectories too.'

!

!MCSubDirectoryRepository class methodsFor:'user interface'!

description

	^ 'directory with subdirectories'

! !

!MCSubDirectoryRepository methodsFor:'as yet unclassified'!

findFullNameForReading: aBaseName

	"Answer the latest version of aBaseName"

	| possible |

	possible _ SortedCollection sortBlock: [ :a :b | b first modificationTime < a first modificationTime ].

	self allDirectories

		do: [:dir | dir entries

				do: [:ent | ent isDirectory

						ifFalse: [

							(ent name = aBaseName) ifTrue: [ possible add: {ent. dir fullNameFor: ent name}]]]].

	^(possible at: 1 ifAbsent: [ ^nil ]) second

!

findFullNameForWriting: aBaseName

	| possible split dirScore fileScore prefix fpattern parts now |

	split _ directory splitNameVersionExtensionFor: aBaseName.

	fpattern _ split first, '*'.

	possible _ SortedCollection sortBlock: [ :a :b |

		a first = b first

			ifTrue: [ a second = b second

					ifFalse: [ a second < b second ]

					ifTrue: [ a third fullName size < b third fullName size ]]

			ifFalse: [ a first > b first ] ].

	now _ Time totalSeconds.

	prefix _ directory pathParts size.

	self allDirectories do: [:dir |

		parts _ dir pathParts allButFirst: prefix.

		dirScore _ (parts select: [ :part | fpattern match: part ]) size.

		fileScore _ (dir entries collect: [ :ent |

			(ent isDirectory not and: [ fpattern match: ent name ])

				ifFalse: [ SmallInteger maxVal ]

				ifTrue: [ now - ent modificationTime ]]).	"minimum age"

		fileScore _ fileScore isEmpty ifTrue: [ SmallInteger maxVal  ]

			ifFalse: [ fileScore min ].

		possible add: { dirScore. fileScore. dir } ].

	^ (possible first third) fullNameFor: aBaseName

!

readStreamForFileNamed: aString do: aBlock

	| file val |

	file _ FileStream readOnlyFileNamed: (self findFullNameForReading: aString).

	val _ aBlock value: file.

	file close.

	^ val

!

writeStreamForFileNamed: aString replace: aBoolean do: aBlock 

	| file |

	file := aBoolean

				ifTrue: [FileStream

						forceNewFileNamed: (self findFullNameForReading: aString)]

				ifFalse: [FileStream

						newFileNamed: (self findFullNameForWriting: aString)].

	aBlock value: file.

	file close

! !

!MCSubDirectoryRepository methodsFor:'enumeration'!

allDirectories

	| remaining dir dirs |

	remaining := OrderedCollection new.

	dirs := OrderedCollection new.

	remaining addLast: directory.

	[remaining isEmpty]

		whileFalse: [dir := remaining removeFirst.

			dirs add: dir.

			dir entries

				do: [:ent | ent isDirectory

						ifTrue: [remaining

								addLast: (dir directoryNamed: ent name)]]].

	^ dirs

!

allFileNames

	"sorting {entry. dirName. name}"

	| sorted |

	sorted := SortedCollection sortBlock: [:a :b |

		a first modificationTime >= b first modificationTime ].

	self allDirectories

		do: [:dir | dir entries

				do: [:ent | ent isDirectory

						ifFalse: [sorted add: {ent. dir fullName. ent name}]]].

	^ sorted

		collect: [:ea | ea third ]

! !

!MCSubDirectoryRepository methodsFor:'user interface'!

description

	^ directory pathName, '/*'

! !

!MCSubDirectoryRepository class methodsFor:'documentation'!

version

    ^ '$Header: /cvs/stx/stx/goodies/monticello/MCSubDirectoryRepository.st,v 1.1 2006-11-22 13:22:58 cg Exp $'

! !