--- /dev/null
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+
+namespace util
+{
+ internal class ConfigEntry
+ {
+ public string value;
+ public ISet<string> list;
+ public ConfigEntry(string v)
+ {
+ this.value = v;
+ }
+ }
+
+ public static class Config
+ {
+ private static Dictionary<String,Dictionary<string,ConfigEntry>> Data;
+ private static bool ready = false;
+ private static string file_name;
+
+ // return values for Load
+ public const int LOAD_OK = 0;
+ public const int LOAD_NO_INPUT_FILE = 1;
+ public static int Load (String FileName)
+ {
+ Config.file_name = FileName;
+ Data = new Dictionary<string, Dictionary<string,ConfigEntry>>();
+
+ if (!System.IO.File.Exists (FileName)) {
+ ready = true;
+ return LOAD_NO_INPUT_FILE;
+ }
+
+ using (StreamReader File = new StreamReader (FileName)) {
+ String Line;
+ string section = null;
+ string key = "no_key";
+ Dictionary<string,ConfigEntry> SectionDic = null;
+ bool listProcessing = false;
+ while (File.Peek() != -1) {
+ Line = File.ReadLine ();
+ if (listProcessing) {
+ if (Line == "LIST")
+ listProcessing = false;
+ else
+ SectionDic [key].list.Add (Line);
+ } else if (Line.Length == 0 || Line.Substring (0, 1) == "#") {
+ ; // this is a comment line
+ } else if (Line.Substring (0, 1) == "[") {
+ // new section
+ if (section != null) {
+ // append old section
+ Data [section] = SectionDic;
+ }
+ // start new section
+ section = Line.Substring (1, Line.IndexOf (']') - 1);
+ SectionDic = new Dictionary<string, ConfigEntry> ();
+ } else {
+ key = Line.Substring (0, Line.IndexOf (':'));
+ String Value = Line.Substring (Line.IndexOf (':') + 1);
+ var ce = new ConfigEntry (Value);
+ if (Value == "LIST") {
+ listProcessing = true;
+ ce.list = new SortedSet<string> ();
+ }
+ SectionDic [key] = ce;
+ }
+ }
+ if (listProcessing)
+ throw new ApplicationException ("Configuration list has no end");
+ if (SectionDic != null) Data [section] = SectionDic;
+ }
+ ready = true;
+ return LOAD_OK;
+ }
+ /*
+ public static Config GetInstance()
+ {
+ if (Config.Instance == null) Config.Instance = new Config ();
+ return Config.Instance;
+ }*/
+ public static String GetConfig(string section, string key){
+ Check ();
+ if (Data.ContainsKey(section)){
+ if (Data[section].ContainsKey(key)) return Data [section][key].value;
+ }
+ return null;
+ }
+ public static ISet<string> GetList(string section, string key){
+ Check ();
+ if (!Data.ContainsKey (section))
+ return null;
+ if (!Data [section].ContainsKey (key))
+ return null;
+ if (Data [section] [key].value != "LIST")
+ throw new ApplicationException ("Required List-Config is not a list");
+ return Data [section] [key].list;
+ }
+ public static ISet<string> RequireList(string section, string key){
+ ISet<string> result = GetList (section, key);
+ if (result == null)
+ throw new ApplicationException ("Config missing:"+ section+ key);
+ return result;
+ }
+ public static String RequireConfig(string section, string key){
+ string value = GetConfig (section, key);
+ if (value == null)
+ throw new ApplicationException ("No Config Entry for " + section + "/"+key);
+ return value;
+ }
+ public static void Set(string section, string key, string value){
+ Check ();
+ if (! Data.ContainsKey (section)) {
+ Data [section] = new Dictionary<string, ConfigEntry> ();
+ }
+ Data [section] [key] = new ConfigEntry(value);
+ }
+ public static void Set(string section, string key, ISet<string> value){
+ Set (section, key, "LIST");
+ Data [section] [key].list = value;
+ }
+ public static void Write(){
+ Check ();
+ StreamWriter File = new StreamWriter (Config.file_name, false);
+ foreach (var section in Data) {
+ File.WriteLine ();
+ File.WriteLine ("[" + section.Key + "]");
+ foreach (var elem in section.Value) {
+ File.WriteLine (elem.Key + ":" + elem.Value.value);
+ if (elem.Value.value == "LIST") {
+ foreach (string list_ele in elem.Value.list) {
+ File.WriteLine (list_ele);
+ }
+ File.WriteLine ("LIST");
+ }
+ }
+ }
+ File.Close();
+ }
+ public static void Remove(string section)
+ {
+ Check ();
+ Data.Remove (section);
+ }
+ private static void Check()
+ {
+ if (!ready)
+ throw new ApplicationException ("Configuration data not loaded");
+ }
+ }
+}
+
projects / mcloud.git / blobdiff