mirror of
https://github.com/greenshot/greenshot
synced 2025-07-16 10:03:44 -07:00
af6567e8fe
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@809 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
397 lines
14 KiB
C#
397 lines
14 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2010 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Text;
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using System.Windows.Forms;
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namespace GreenshotCore.Configuration {
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/// <summary>
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/// Attribute for telling that this class is linked to a section in the ini-configuration
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/// </summary>
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[AttributeUsage(AttributeTargets.Class, AllowMultiple=false)]
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public class IniSectionAttribute : Attribute {
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private string name;
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public IniSectionAttribute(string name) {
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this.name = name;
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}
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public string Description;
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public string Name {
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get {return name;}
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set {name = value;}
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}
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}
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/// <summary>
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/// Attribute for telling that a field is linked to a property in the ini-configuration selection
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/// </summary>
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[AttributeUsage(AttributeTargets.Field, AllowMultiple=false)]
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public class IniPropertyAttribute : Attribute {
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private string name;
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public IniPropertyAttribute(string name) {
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this.name = name;
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}
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public string Description;
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public string DefaultValue;
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public string Name {
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get {return name;}
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set {name = value;}
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}
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}
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// Interface for
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public interface IniSection {
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}
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public class IniConfig {
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private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(IniConfig));
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private const string CONFIG_FILE_NAME = "greenshot.ini";
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private const string DEFAULTS_CONFIG_FILE_NAME = "greenshot-defaults.ini";
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private static IniConfig instance = null;
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private string iniLocation = null;
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private Dictionary<string, IniSection> sectionMap = new Dictionary<string, IniSection>();
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private Dictionary<string, Dictionary<string, string >> iniProperties = new Dictionary<string, Dictionary<string, string>>();
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/// <summary>
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/// get an instance of IniConfig
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/// </summary>
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/// <returns></returns>
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public static IniConfig GetInstance() {
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if (instance == null) {
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instance = new IniConfig();
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}
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return instance;
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}
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/// <summary>
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/// Create the location of the configuration file
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/// </summary>
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private static string CreateIniLocation(string configFilename) {
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// check if file is in the same location as started from, if this is the case
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// we will use this file instead of the Applicationdate folder
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// Done for Feature Request #2741508
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if (File.Exists(Path.Combine(Application.StartupPath, configFilename))) {
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return Path.Combine(Application.StartupPath, configFilename);
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}
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return Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),@"Greenshot\" + configFilename);
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}
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/// <summary>
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/// Private Constuctor,
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/// </summary>
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/// <param name="iniLocation"></param>
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private IniConfig() {
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this.iniLocation = CreateIniLocation(CONFIG_FILE_NAME);
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// Load the defaults
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Read(CreateIniLocation(DEFAULTS_CONFIG_FILE_NAME));
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// Load the normal
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Read(CreateIniLocation(iniLocation));
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}
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/// <summary>
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/// Read the ini file into the Dictionary
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/// </summary>
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/// <param name="iniLocation">Path & Filename of ini file</param>
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private void Read(string iniLocation) {
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if (!File.Exists(iniLocation)) {
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LOG.Info("Can't find file: " + iniLocation);
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return;
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}
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LOG.Info("Reading ini-properties from file: " + iniLocation);
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String currentSection = null;
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foreach (string line in File.ReadAllLines(iniLocation, Encoding.UTF8)) {
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if (line == null) {
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continue;
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}
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string currentLine = line.TrimStart();
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if (currentLine.StartsWith("[")) {
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currentSection = currentLine.Substring(1, currentLine.IndexOf(']')-1);
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LOG.Debug("Found section: " + currentSection);
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} else if (!currentLine.StartsWith(";") && currentLine.IndexOf('=') > 0) {
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string [] split = currentLine.Split(new Char[] {'='}, 2);
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if (split != null && split.Length == 2) {
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string name = split[0];
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if (name == null || name.Length < 1) {
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continue;
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}
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name = name.Trim();
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String value = split[1];
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if (!HasProperty(currentSection, name)) {
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SetProperty(currentSection, name, value);
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} else {
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ChangeProperty(currentSection, name, value);
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}
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}
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}
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}
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}
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/// <summary>
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/// A generic method which returns an instance of the supplied type, filled with it's configuration
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/// </summary>
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/// <returns>Filled instance of IniSection type which was supplied</returns>
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public T GetSection<T>() where T : IniSection {
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T section;
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Type iniSectionType = typeof(T);
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string sectionName = getSectionName(iniSectionType);
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if (sectionMap.ContainsKey(sectionName)) {
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section = (T)sectionMap[sectionName];
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} else {
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// Create instance of this type
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section = (T)Activator.CreateInstance(iniSectionType);
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// Store for later save & retrieval
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sectionMap.Add(sectionName, section);
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// Get the properties for the section
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Dictionary<string, string> properties = null;
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if (iniProperties.ContainsKey(sectionName)) {
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properties = iniProperties[sectionName];
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}
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// Iterate over the fields and fill them
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FieldInfo[] fields = iniSectionType.GetFields();
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foreach(FieldInfo field in fields) {
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if (Attribute.IsDefined(field, typeof(IniPropertyAttribute))) {
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IniPropertyAttribute iniPropertyAttribute = (IniPropertyAttribute)field.GetCustomAttributes(typeof(IniPropertyAttribute), false)[0];
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string propertyName = iniPropertyAttribute.Name;
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string propertyValue = null;
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// Get the value from the ini file, if there is none take the default
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if (properties != null && properties.ContainsKey(propertyName)) {
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propertyValue = properties[propertyName];
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} else {
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propertyValue = iniPropertyAttribute.DefaultValue;
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LOG.Debug("Using default property for " + propertyName + " : " + propertyValue);
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}
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// Get the type, or the underlying type for nullables
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Type fieldType = field.FieldType;
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// Now set the value
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if (fieldType.IsGenericType && fieldType.GetGenericTypeDefinition() == typeof(List<>)) {
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string[] arrayValues = propertyValue.Split(new Char[] {','});
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if (arrayValues != null) {
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object list = Activator.CreateInstance(fieldType);
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MethodInfo methodInfo = fieldType.GetMethod("Add");
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foreach(string arrayValue in arrayValues) {
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if (arrayValue != null && arrayValue.Length > 0) {
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object newValue = ConvertValueToFieldType(fieldType.GetGenericArguments()[0], arrayValue);
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LOG.Debug("Adding: " + newValue);
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if (newValue != null) {
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methodInfo.Invoke(list, new object[] {newValue});
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}
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}
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}
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field.SetValue(section, list);
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}
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} else {
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if (fieldType.IsGenericType && fieldType.GetGenericTypeDefinition().Equals(typeof(Nullable<>))) {
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// We are dealing with a generic type that is nullable
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fieldType = Nullable.GetUnderlyingType(fieldType);
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}
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field.SetValue(section,ConvertValueToFieldType(fieldType, propertyValue));
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}
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}
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}
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}
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return section;
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}
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private List<T> CreateList<T>() {
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List<T> mylist = new List<T>();
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return mylist;
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}
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private object ConvertValueToFieldType(Type fieldType, string value) {
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if (value == null && value.Length == 0) {
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return null;
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}
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if (fieldType == typeof(string)) {
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return value;
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} else if (fieldType == typeof(bool) || fieldType == typeof(bool?)) {
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return bool.Parse(value);
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} else if (fieldType == typeof(int) || fieldType == typeof(int?)) {
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return int.Parse(value);
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} else if (fieldType.IsEnum) {
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try {
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return Enum.Parse(fieldType, value);
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} catch (Exception e) {
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LOG.Error("Can't parse value: " + value, e);
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}
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}
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return null;
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}
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private string getSectionName(Type iniSectionType) {
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Attribute[] classAttributes = Attribute.GetCustomAttributes(iniSectionType);
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foreach(Attribute attribute in classAttributes) {
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if (attribute is IniSectionAttribute) {
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IniSectionAttribute iniSectionAttribute = (IniSectionAttribute)attribute;
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return iniSectionAttribute.Name;
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}
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}
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return null;
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}
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private Dictionary<string, string> getProperties(string section) {
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if (iniProperties.ContainsKey(section)) {
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return iniProperties[section];
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}
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return null;
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}
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public void ChangeProperty(string section, string name, string value) {
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if (section != null) {
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Dictionary<string, string> properties = iniProperties[section];
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properties[name] = value;
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LOG.Debug(String.Format("Changed property {0} to section: {0}.", name, section));
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} else {
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LOG.Debug("Property without section: " + name);
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}
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}
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public void SetProperty(string section, string name, string value) {
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if (section != null) {
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Dictionary<string, string> properties = null;
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if (!iniProperties.ContainsKey(section)) {
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properties = new Dictionary<string, string>();
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iniProperties.Add(section, properties);
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} else {
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properties = iniProperties[section];
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}
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properties.Add(name, value);
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LOG.Debug(String.Format("Added property {0} to section: {0}.", name, section));
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} else {
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LOG.Debug("Property without section: " + name);
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}
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}
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public bool HasProperty(string section, string name) {
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Dictionary<string, string> properties = getProperties(section);
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if (properties != null && properties.ContainsKey(name)) {
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return true;
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}
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return false;
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}
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public string GetProperty(string section, string name) {
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Dictionary<string, string> properties = getProperties(section);
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if (properties != null && properties.ContainsKey(name)) {
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return properties[name];
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}
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return null;
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}
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/// <summary>
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/// Split property with ',' and return the splitted string as a string[]
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/// </summary>
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public string[] GetPropertyAsArray(string section, string key) {
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Dictionary<string, string> properties = getProperties(section);
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string value = GetProperty(section, key);
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if (value != null) {
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return value.Split(new Char[] {','});
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}
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return null;
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}
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public bool GetBoolProperty(string section, string key) {
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Dictionary<string, string> properties = getProperties(section);
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string value = GetProperty(section, key);
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return bool.Parse(value);
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}
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public int GetIntProperty(string section, string key) {
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Dictionary<string, string> properties = getProperties(section);
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string value = GetProperty(section, key);
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return int.Parse(value);
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}
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public void Save() {
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LOG.Info("Saving configuration to: " + iniLocation);
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TextWriter writer = new StreamWriter(iniLocation, false, Encoding.UTF8);
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foreach(IniSection section in sectionMap.Values) {
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Type classType = section.GetType();
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Attribute[] classAttributes = Attribute.GetCustomAttributes(classType);
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foreach(Attribute attribute in classAttributes) {
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if (attribute is IniSectionAttribute) {
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IniSectionAttribute iniSectionAttribute = (IniSectionAttribute)attribute;
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writer.WriteLine("; {0}", iniSectionAttribute.Description);
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writer.WriteLine("[{0}]", iniSectionAttribute.Name);
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FieldInfo[] fields = classType.GetFields();
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foreach(FieldInfo field in fields) {
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if (Attribute.IsDefined(field, typeof(IniPropertyAttribute))) {
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IniPropertyAttribute iniPropertyAttribute = (IniPropertyAttribute)field.GetCustomAttributes(typeof(IniPropertyAttribute), false)[0];
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writer.WriteLine("; {0}", iniPropertyAttribute.Description);
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object value = field.GetValue(section);
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Type fieldType = field.FieldType;
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if (value == null) {
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value = iniPropertyAttribute.DefaultValue;
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fieldType = typeof(string);
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}
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if (fieldType.IsGenericType && fieldType.GetGenericTypeDefinition() == typeof(List<>)) {
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writer.Write("{0}=", iniPropertyAttribute.Name);
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int listCount = (int)fieldType.GetProperty("Count").GetValue(value, null);
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// Loop though generic list
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for (int index = 0; index < listCount; index++) {
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object item = fieldType.GetMethod("get_Item").Invoke(value, new object[] { index });
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// Now you have an instance of the item in the generic list
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if (index < listCount -1) {
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writer.Write("{0},", item);
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} else {
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writer.Write("{0}", item);
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}
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}
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writer.WriteLine();
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} else {
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writer.WriteLine("{0}={1}", iniPropertyAttribute.Name, value);
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}
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}
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}
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}
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}
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writer.WriteLine();
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}
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// Write left over properties
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foreach(string sectionName in iniProperties.Keys) {
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// Check if the section is one that is "registered", if so skip it!
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if (!sectionMap.ContainsKey(sectionName)) {
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// Write section name
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writer.WriteLine("[{0}]", sectionName);
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Dictionary<string, string> properties = iniProperties[sectionName];
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// Loop and write properties
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foreach(string propertyName in properties.Keys) {
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writer.WriteLine("{0}={1}", propertyName, properties[propertyName]);
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}
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}
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}
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writer.Close();
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}
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}
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}
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