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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
using KeePassLib.Native;
using KeePassLib.Utility;
namespace KeePass.Util
{
public sealed class CommandLineArgs
{
private readonly List<string> m_lFileNames = new List<string>();
private readonly SortedDictionary<string, string> m_dParams =
new SortedDictionary<string, string>(StrUtil.CaseIgnoreComparer);
/// <summary>
/// Get the primary file name.
/// </summary>
public string FileName
{
get
{
if(m_lFileNames.Count < 1) return null;
return m_lFileNames[0];
}
}
/// <summary>
/// All file names.
/// </summary>
public IEnumerable<string> FileNames
{
get { return m_lFileNames; }
}
public IEnumerable<KeyValuePair<string, string>> Parameters
{
get { return m_dParams; }
}
public CommandLineArgs(string[] vArgs)
{
if(vArgs == null) return; // No throw
foreach(string str in vArgs)
{
if(string.IsNullOrEmpty(str)) continue;
KeyValuePair<string, string> kvp = GetParameter(str);
if(kvp.Key.Length == 0) m_lFileNames.Add(kvp.Value);
else m_dParams[kvp.Key] = kvp.Value;
}
}
/// <summary>
/// Get the value of a command line parameter. Returns <c>null</c>
/// if no key-value pair with the specified key exists.
/// </summary>
public string this[string strKey]
{
get
{
if(string.IsNullOrEmpty(strKey))
return this.FileName;
else
{
string strValue;
if(m_dParams.TryGetValue(strKey, out strValue))
return strValue;
}
return null;
}
}
internal static KeyValuePair<string, string> GetParameter(string strCompiled)
{
string str = strCompiled;
if(str.StartsWith("--")) str = str.Remove(0, 2);
else if(str.StartsWith("-")) str = str.Remove(0, 1);
else if(str.StartsWith("/") && !NativeLib.IsUnix())
str = str.Remove(0, 1);
else return new KeyValuePair<string, string>(string.Empty, str);
int posDbl = str.IndexOf(':');
int posEq = str.IndexOf('=');
if((posDbl < 0) && (posEq < 0))
return new KeyValuePair<string, string>(str, string.Empty);
int posMin = Math.Min(posDbl, posEq);
if(posMin < 0) posMin = ((posDbl < 0) ? posEq : posDbl);
if(posMin <= 0)
return new KeyValuePair<string, string>(str, string.Empty);
string strKey = str.Substring(0, posMin);
string strValue = str.Remove(0, posMin + 1);
return new KeyValuePair<string, string>(strKey, strValue);
}
public bool Remove(string strParamName)
{
if(strParamName == null) { Debug.Assert(false); return false; }
return m_dParams.Remove(strParamName);
}
public static string SafeSerialize(string[] args)
{
if(args == null) throw new ArgumentNullException("args");
try
{
using(MemoryStream ms = new MemoryStream())
{
XmlUtilEx.Serialize<string[]>(ms, args);
return Convert.ToBase64String(ms.ToArray(),
Base64FormattingOptions.None);
}
}
catch(Exception) { Debug.Assert(false); }
return null;
}
public static string[] SafeDeserialize(string str)
{
if(str == null) throw new ArgumentNullException("str");
try
{
byte[] pb = Convert.FromBase64String(str);
using(MemoryStream ms = new MemoryStream(pb, false))
{
return XmlUtilEx.Deserialize<string[]>(ms);
}
}
catch(Exception) { Debug.Assert(false); }
return null;
}
internal void CopyFrom(CommandLineArgs args)
{
if(args == null) throw new ArgumentNullException("args");
m_lFileNames.Clear();
foreach(string strFile in args.FileNames)
{
m_lFileNames.Add(strFile);
}
m_dParams.Clear();
foreach(KeyValuePair<string, string> kvp in args.Parameters)
{
if(!string.IsNullOrEmpty(kvp.Key))
m_dParams[kvp.Key] = kvp.Value;
else { Debug.Assert(false); }
}
}
}
}
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