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Viewing changes to external/mono-addins/Mono.Addins.Setup/Mono.Addins.Setup.ProgressMonitoring/ConsoleProgressMonitor.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/mono-addins/Mono.Addins.Setup/Mono.Addins.Setup.ProgressMonitoring/ConsoleProgressMonitor.cs
 
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//
 
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// ConsoleProgressMonitor.cs
 
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//
 
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// Author:
 
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//   Lluis Sanchez Gual
 
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//
 
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// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
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// the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be
 
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// included in all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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//
 
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using System;
 
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using System.IO;
 
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namespace Mono.Addins.Setup.ProgressMonitoring
 
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{
 
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        internal class ConsoleProgressMonitor: NullProgressMonitor
 
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        {
 
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                int columns = 80;
 
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                bool indent = true;
 
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                bool wrap = true;
 
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                int ilevel = 0;
 
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                int isize = 3;
 
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                int col = -1;
 
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                int logLevel;
 
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                LogTextWriter logger;
 
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                public ConsoleProgressMonitor (): this (1)
 
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                {
 
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                }
 
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                public ConsoleProgressMonitor (int logLevel)
 
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                {
 
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                        this.logLevel = logLevel;
 
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                        logger = new LogTextWriter ();
 
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                        logger.TextWritten += new LogTextEventHandler (WriteLog);
 
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                }
 
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                public bool WrapText {
 
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                        get { return wrap; }
 
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                        set { wrap = value; }
 
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                }
 
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                public int WrapColumns {
 
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                        get { return columns; }
 
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                        set { columns = value; }
 
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                }
 
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                public bool IndentTasks {
 
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                        get { return indent; }
 
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                        set { indent = value; }
 
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                }
 
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                public override int LogLevel {
 
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                        get { return logLevel; }
 
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                }
 
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                public override void BeginTask (string name, int totalWork)
 
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                {
 
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                        WriteText (name);
 
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                        Indent ();
 
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                }
 
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                public override void BeginStepTask (string name, int totalWork, int stepSize)
 
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                {
 
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                        BeginTask (name, totalWork);
 
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                }
 
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                public override void EndTask ()
 
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                {
 
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                        Unindent ();
 
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                }
 
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                void WriteLog (string text)
 
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                {
 
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                        WriteText (text);
 
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                }
 
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                public override TextWriter Log {
 
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                        get { return logger; }
 
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                }
 
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                public override void ReportSuccess (string message)
 
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                {
 
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                        WriteText (message);
 
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                }
 
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                public override void ReportWarning (string message)
 
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                {
 
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                        if (logLevel != 0)
 
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                                WriteText ("WARNING: " + message + "\n");
 
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                }
 
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                public override void ReportError (string message, Exception ex)
 
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                {
 
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                        if (logLevel == 0)
 
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                                return;
 
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                        if (message != null && ex != null) {
 
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                                WriteText ("ERROR: " + message + "\n");
 
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                                if (logLevel > 1)
 
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                                        WriteText (ex + "\n");
 
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                        }
 
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                        if (message != null)
 
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                                WriteText ("ERROR: " + message + "\n");
 
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                        else if (ex != null) {
 
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                                if (logLevel > 1)
 
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                                        WriteText ("ERROR: " + ex + "\n");
 
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                                else
 
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                                        WriteText ("ERROR: " + ex.Message + "\n");
 
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                        }
 
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                }
 
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                void WriteText (string text)
 
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                {
 
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                        if (indent)
 
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                                WriteText (text, ilevel);
 
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                        else
 
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                                WriteText (text, 0);
 
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                }
 
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                void WriteText (string text, int leftMargin)
 
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                {
 
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                        if (text == null || text.Length == 0)
 
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                                return;
 
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                        int n = 0;
 
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                        int maxCols = wrap ? columns : int.MaxValue;
 
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                        while (n < text.Length)
 
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                        {
 
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                                if (col == -1) {
 
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                                        Console.Write (new String (' ', leftMargin));
 
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                                        col = leftMargin;
 
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                                }
 
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                                int lastWhite = -1;
 
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                                int sn = n;
 
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                                bool eol = false;
 
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                                while (col < maxCols && n < text.Length) {
 
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                                        char c = text [n];
 
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                                        if (c == '\r') {
 
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                                                n++;
 
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                                                continue;
 
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                                        }
 
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                                        if (c == '\n') {
 
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                                                eol = true;
 
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                                                break;
 
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                                        }
 
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                                        if (char.IsWhiteSpace (c))
 
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                                                lastWhite = n;
 
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                                        col++;
 
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                                        n++;
 
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                                }
 
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                                if (lastWhite == -1 || col < maxCols)
 
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                                        lastWhite = n;
 
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                                else if (col >= maxCols)
 
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                                        n = lastWhite + 1;
 
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                                Console.Write (text.Substring (sn, lastWhite - sn));
 
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                                if (eol || col >= maxCols) {
 
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                                        col = -1;
 
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                                        Console.WriteLine ();
 
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                                        if (eol) n++;
 
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                                }
 
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                        }
 
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                }
 
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                void Indent ()
 
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                {
 
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                        ilevel += isize;
 
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                        if (col != -1) {
 
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                                Console.WriteLine ();
 
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                                col = -1;
 
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                        }
 
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                }
 
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                void Unindent ()
 
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                {
 
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                        ilevel -= isize;
 
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                        if (ilevel < 0) ilevel = 0;
 
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                        if (col != -1) {
 
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                                Console.WriteLine ();
 
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                                col = -1;
 
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                        }
 
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                }
 
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        }
 
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}