Classes/CommandParser.ps1
|
class ParsedCommand { [string]$CommandString [string]$Plugin = $null [string]$Command = $null [string[]]$Tokens = @() [hashtable]$NamedParameters = @{} [System.Collections.ArrayList]$PositionalParameters = (New-Object System.Collections.ArrayList) #[System.Management.Automation.FunctionInfo]$ModuleCommand = $null [Message]$OriginalMessage } class CommandParser { [ParsedCommand] static Parse([string]$CommandString, [Message]$OriginalMessage) { $CommandString = $CommandString.Trim() # The command is the first word of the message $command = $CommandString.Split(' ')[0] # The command COULD be in the form of <command> or <plugin:command> # Figure out which one $plugin = [string]::Empty if ($OriginalMessage.Type -eq [MessageType]::Message -and $OriginalMessage.SubType -eq [MessageSubtype]::None ) { $plugin = $command.Split(':')[0] } $command = $command.Split(':')[1] if (-not $command) { $command = $plugin $plugin = $null } $parsedCommand = [ParsedCommand]::new() $parsedCommand.CommandString = $CommandString $parsedCommand.Plugin = $plugin $parsedCommand.Command = $command $parsedCommand.OriginalMessage = $OriginalMessage # Parse parameters $tokens = $CommandString | Get-StringToken try { $r = ConvertFrom-ParameterToken -Tokens $Tokens $parsedCommand.Tokens = $r.Tokens $parsedCommand.NamedParameters = $r.NamedParameters $parsedCommand.PositionalParameters = $r.PositionalParameters } catch { Write-Error "Error parsing command [$CommandString]: $_" } return $parsedCommand } } |