source: trunk/Include/Classes/System/IO/DirectoryInfo.ab@ 376

Imports System.Collections.Generic

Namespace System
Namespace IO

Class DirectoryInfo
    Inherits FileSystemInfo
Public
    Sub DirectoryInfo(path As String)
        OriginalPath = path
        FullPath = Path.GetFullPath(path)
    End Sub

    Sub ~DirectoryInfo()
    End Sub

    'Public Property
    Function Parent() As DirectoryInfo
        Return New DirectoryInfo(Path.GetDirectoryName(FullPath))
    End Function

    Function Root() As DirectoryInfo
        Return New DirectoryInfo(Path.GetPathRoot(FullPath))
    End Function

    'Public Method
    Sub Create()
        CreateDirectory(ToTCStr(FullPath), NULL)
    End Sub

/*  Sub Create(directorySecurity As DirectorySecurity)
    End Sub*/

    Override Sub Delete()
        RemoveDirectory(ToTCStr(FullPath))
    End Sub

    Sub Delete(recursive As Boolean)
        If recursive Then
            ' ディレクトリ内のすべての情報を削除する

            Dim dirPath = FullPath As String

            ' 終端の '\' を除去
            If dirPath[dirPath.Length-1] = Asc("\") Then
                dirPath = dirPath.Substring(0, dirPath.Length-1)
            End If

            ' double null-terminated にする
            dirPath = dirPath + Chr$(0)

            Dim op As SHFILEOPSTRUCT
            op.hwnd = NULL
            op.wFunc = FO_DELETE
            op.pFrom = ToTCStr(dirPath)
            op.pTo = NULL
            op.fFlags = FOF_NOCONFIRMATION or FOF_NOERRORUI or FOF_SILENT

            If SHFileOperation(op) <> 0 Then
                ' TODO: エラー処理
                debug
            End If
        Else
            ' ディレクトリが空の場合は削除する
            This.Delete()
        End If
    End Sub

/*  Function GetAccessControl() As DirectorySecurity
    End Function*/

/*  Function GetAccessControl(includeSections As AccessControlSections) As DirectorySecurity
    End Function*/

    Function GetDirectories() As List<DirectoryInfo>
        Return GetDirectories("?*")
    End Function

    Function GetDirectories(searchPattern As String) As List<DirectoryInfo>
        Dim infos As List<FileSystemInfo>
        infos = GetFileSystemInfos(searchPattern)

        Dim dirs As List<DirectoryInfo>
        Dim i As Long
        For i = 0 To ELM(infos.Count)
            If infos[i].Attributes = FILE_ATTRIBUTE_DIRECTORY Then
                dirs.Add(infos[i] As DirectoryInfo)
            End If
        Next
        Return dirs
    End Function

    Function GetDirectories(searchPattern As String, searchOption As SearchOption) As List<DirectoryInfo>
        Select Case searchOption
            Case SearchOption.TopDirectoryOnly
                Return GetDirectories(searchPattern)
            Case SearchOption.AllDirectories
                Dim dirs As List<DirectoryInfo>
                dirs = GetDirectories(searchPattern)

                Dim subdirs As List<DirectoryInfo>
                Dim i As Long, j As Long
                For i = 0 To ELM(dirs.Count)
                    subdirs = dirs[i].GetDirectories(searchPattern)
                    For j = 0 To ELM(subdirs.Count)
                        dirs.Add(subdirs[j])
                    Next
                Next
                Return dirs
        End Select
    End Function

    Function GetFiles() As List<FileInfo>
        Return GetFiles("?*")
    End Function

    Function GetFiles(searchPattern As String) As List<FileInfo>
        Dim infos As List<FileSystemInfo>
        infos = GetFileSystemInfos(searchPattern)

        Dim files As List<FileInfo>
        Dim i As Long
        For i = 0 To ELM(infos.Count)
            If infos[i].Attributes <> FILE_ATTRIBUTE_DIRECTORY Then
                files.Add(infos[i] As FileInfo)
            End If
        Next
        Return files
    End Function

    Function GetFiles(searchPattern As String, searchOption As SearchOption) As List<FileInfo>
        Select Case searchOption
            Case SearchOption.TopDirectoryOnly
                Return GetFiles(searchPattern)
            Case SearchOption.AllDirectories
                Dim dirs As List<DirectoryInfo>
                dirs = GetDirectories("?*", SearchOption.AllDirectories)

                Dim files As List<FileInfo>
                files = GetFiles(searchPattern)
                Dim i As Long, j As Long, subfiles As List<FileInfo>
                For i = 0 To ELM(dirs.Count)
                    subfiles = dirs[i].GetFiles(searchPattern)
                    For j = 0 To ELM(subfiles.Count)
                        files.Add(subfiles[j])
                    Next
                Next
                Return files
        End Select
    End Function

    Function GetFileSystemInfos() As List<FileSystemInfo>
        Return GetFileSystemInfos("?*")
    End Function

    Function GetFileSystemInfos(searchPattern As String) As List<FileSystemInfo>
        Dim find As HANDLE
        Dim findData As WIN32_FIND_DATA
        find = FindFirstFile(ToTCStr(Path.Combine(FullPath, searchPattern)), findData)
        If find = INVALID_HANDLE_VALUE Then
            Return New List<DirectoryInfo>
        End If

        Dim files As List<FileSystemInfo>
        Do
            Dim s = New String(findData.cFileName As PCTSTR)
            If (findData.dwFileAttributes And FILE_ATTRIBUTE_DIRECTORY) = FILE_ATTRIBUTE_DIRECTORY Then
                files.Add(New DirectoryInfo(Path.Combine(FullPath, s)))
            Else
                files.Add(New FileInfo(Path.Combine(FullPath, s)))
            End If
        Loop While FindNextFile(find, findData)
        FindClose(find)

        files.Remove(New DirectoryInfo(Path.Combine(FullPath, ".")))
        files.Remove(New DirectoryInfo(Path.Combine(FullPath, "..")))

        If GetLastError() = ERROR_NO_MORE_FILES Then
            Return files
        Else
            debug 'Exception
            Return Nothing
        End If
    End Function

    Sub MoveTo(destDirName As String)
        If MoveFile(ToTCStr(FullPath), ToTCStr(destDirName)) = FALSE Then
            'Exception
        End If
    End Sub

/*  Sub SetAccessControl(directorySecurity As DirectorySecurity)
    End Sub*/

End Class

End Namespace
End Namespace