Classes/Classes.ps1
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Class HtmlFragment { [String]$Value HtmlFragment ( [String]$Value ) { $this.Value = $Value } [HtmlFragment]Update([switch]$UseCachedLbiOnly) { return $this } [String]Text([String]$Indent = '') { # It ignores $Indent. See derived classes. return $this.Value } [String]LastLineIndent([String]$PreviousIndent = '') { if ( $this.Value -match '(?<indent>\n[\t ]*)(?:.*)$' ) { return $Matches['indent'] } return $PreviousIndent } } Class LibItem : HtmlFragment { [String]$FileName [String]$Begin [String]$End Static [Hashtable] $Cache = @{} # See Reset-LbiCache LibItem ( [String]$Value, [String]$FileName, [String]$Begin = "<!-- #BeginLibraryItem `"$FileName`" -->", [String]$End = "<!-- #EndLibraryItem -->" ) : base($Value) { $this.FileName = $FileName $this.Begin = $Begin $this.End = $End } [HtmlFragment]Update([switch]$UseCachedLbiOnly) { if ( $this.FileName -in $this::Cache.Keys ) { Write-Verbose "Read from the cache. Key='$This.FileName'" $this.Value = $this::Cache[$this.FileName] } elseif ( $UseCachedLbiOnly ) { Write-Warning "Lbi '$this.FileName' was not found in the cache and the UseCachedLbiOnly is switch on. Inner text is not changed." } else { try { $this.Value = Read-LibItem $this.FileName } catch { Write-Warning "Lbi '$this.FileName' was not readed. Inner text is not changed." } } return $this } [String]Text([String]$Indent = '') { $Text = ([HtmlFragment]$this).Text($Indent) if ( $Indent -and ($Indent -ne '\n') ) { $Text = $Text -replace '\n', $Indent } return -join ($this.Begin, $Text, $this.End) } [String]LastLineIndent([String]$PreviousIndent = '') { # A LibItem never changes the indent. See HtmlFragment return $PreviousIndent } } |