git/GitStringArray.st
author Jan Vrany <jan.vrany@labware.com>
Wed, 06 Oct 2021 12:07:04 +0100
changeset 932 fa801680bb02
parent 481 0cfef855baa2
permissions -rw-r--r--
Make use of original working copy the default Also use shared working copy if original working copy cannot be used. These two options has been used (by JV) for more than a year and seem to work fine.

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

GitStructure subclass:#GitStringArray
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'SCM-Git-Core-Internal-Structures'
!

!GitStringArray class methodsFor:'documentation'!

documentation
"
    A git_strarray wrapper. GitStringArray is for internal usage only.
    Do not use it your code

    [author:]
        Jan Vrany <jan.vrany@fit.cvut.cz>

    [instance variables:]

    [class variables:]

    [see also:]

"
! !

!GitStringArray class methodsFor:'accessing'!

libraryName

    OperatingSystem isUNIXlike ifTrue:[^'libgit2.so'].

    OperatingSystem isMSWINDOWSlike ifTrue:[^'git2.dll'].

    self error:'Library name for host OS is not known'
!

structSize
    "Returns size of undelaying structure in bytes"

    ^8
! !

!GitStringArray methodsFor:'accessing'!

collect: aBlock    
    | strings newCollection |

    "Reimplemented for speed"

    strings := self strings.
    newCollection := Array new: self count.
    1 to: self count do:[:index|
        | val |

        val := aBlock value: (strings pointerAt: ((index - 1) * ExternalBytes sizeofPointer) + 1) copyCStringFromHeap.
        newCollection at: index put: val.
    ].
    ^newCollection

    "Created: / 30-09-2012 / 20:32:25 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

do: aBlock    
    | strings |

    "Reimplemented for speed"

    strings := self strings.
    1 to: self count do:[:index|
        aBlock value: (strings pointerAt: ((index - 1) * ExternalBytes sizeofPointer) + 1) copyCStringFromHeap
    ]

    "Created: / 30-09-2012 / 20:13:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GitStringArray methodsFor:'accessing-private'!

count
    "Returns a Cface::CLongNode"

    ^self longAt:1 + 4

    "Modified: / 30-09-2012 / 20:23:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

count: value

    self longLongAt:1 + 4 put:value
!

strings
    "Returns (pointer-to (pointer-to char))"

    ^ExternalBytes 
        address:(self longAt:1 + 0) 
        size:(self count * ExternalBytes sizeofPointer)

    "Modified: / 30-09-2012 / 20:32:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

strings: value

    self pointerAt:1 + 0 put:value
! !

!GitStringArray methodsFor:'adding'!

addAll:aCollection
    self shouldNotImplement. "/ Cannot grow!!

    "Created: / 30-09-2012 / 19:56:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GitStringArray methodsFor:'finalization'!

finalize
    GitPrimitives prim_git_strarray_free: self.
    self setAddress:0 size:0

    "Created: / 30-09-2012 / 19:58:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GitStringArray class methodsFor:'documentation'!

version_GIT
    "Never, ever change this method. Ask JV or CG why"
    ^thisContext method mclass theNonMetaclass instVarNamed: #revision
!

version_SVN
    ^ '$Id$'
! !