mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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1505 lines
44 KiB
C#
1505 lines
44 KiB
C#
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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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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*/
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#endregion
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#region ================== CFG file structure syntax
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/*
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' ====================================================================================
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' CONFIGURATION FILE STRUCTURE SYNTAX
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' ====================================================================================
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'
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' Whitepace is always allowed. This includes spaces, tabs
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' linefeeds (10) and carriage returns (13)
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'
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' Keys may not have spaces or assignment operator = in them.
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'
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' Comments start with // (unless used within strings)
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' and count as comment for the rest of the line. Or use /* and */ /*
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' to mark the beginning and end of a comment.
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'
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' Simple setting:
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'
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' key = value;
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'
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' Example: speed = 345;
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' cars = 8;
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'
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' Strings must be in quotes.
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'
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' Example: nickname = "Gherkin";
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' altnick = "Gherk inn";
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'
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' String Escape Sequences:
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' \n New line (10)
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' \r Carriage return (13)
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' \t Tab (9)
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' \" Double-quotation mark
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' \\ Backslash
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' \000 Any ASCII character (MUST be 3 digits! So for 13 you use \013)
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'
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' Decimals ALWAYS use a dot, NEVER comma!
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'
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' Example: pressure = 15.29;
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' acceleration = 1.0023;
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'
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' true, false and null are valid keywords.
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' null values can be left out.
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'
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' In this example, both items are null.
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' Example: myitem = null;
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' myotheritem;
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'
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' Structures must use brackets.
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'
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' Structure Example:
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'
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' key
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' {
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' key = value;
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' key = value;
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'
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' key
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' {
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' key = value;
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' key = value;
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' key = value;
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' }
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'
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' key = value;
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' key = value;
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' key = value;
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' key = value;
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' key = value;
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' }
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'
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' As you can see, structures inside structures are allowed
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' and you may go as deep as you want. Note that only the root structures
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' can be readed from config using ReadSetting. ReadSetting will return a
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' Dictionary object containing everything in that root structure.
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'
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' Key names must be unique within their scope.
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'
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' This is NOT allowed, it may not have 'father' more
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' than once in the same scope:
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'
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' mother = 45;
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' father = 52;
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'
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' father
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' {
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' length = 1.87;
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' }
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'
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' This however is allowed, because father
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' now exists in a different scope:
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'
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' mother = 45;
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' father = 52;
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'
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' parents
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' {
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' father = 52;
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' }
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'
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' This too is allowed, both 'age' are in a different scope:
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'
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' mother
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' {
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' age = 45;
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' }
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'
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' father
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' {
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' age = 52;
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' }
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.IO;
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using System.Text;
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using System.Globalization;
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using System.Collections;
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using System.Collections.Specialized;
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#endregion
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namespace CodeImp.DoomBuilder.IO
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{
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public sealed class Configuration
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{
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#region ================== Constants
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// Path seperator
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public const string DEFAULT_SEPERATOR = ".";
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// Error strings
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private const string ERROR_KEYMISSING = "Missing key name in assignment or scope.";
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private const string ERROR_KEYSPACES = "Spaces not allowed in key names.";
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private const string ERROR_ASSIGNINVALID = "Invalid assignment. Missing a previous terminator symbol?";
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private const string ERROR_VALUEINVALID = "Invalid value in assignment. Missing a previous terminator symbol?";
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private const string ERROR_VALUETOOBIG = "Value too big.";
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private const string ERROR_KEYNOTUNQIUE = "Key is not unique within scope.";
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private const string ERROR_KEYWORDUNKNOWN = "Unknown keyword in assignment. Missing a previous terminator symbol?";
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private const string ERROR_UNEXPECTED_END = "Unexpected end of data. Missing a previous terminator symbol?";
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private const string ERROR_UNKNOWN_FUNCTION = "Unknown function call.";
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private const string ERROR_INVALID_ARGS = "Invalid function arguments.";
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private const string ERROR_INCLUDE_UNSUPPORTED = "Include function is not supported in data parsed from stream.";
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#endregion
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#region ================== Variables
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// Error result
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private bool cpErrorResult = false;
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private string cpErrorDescription = "";
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private int cpErrorLine = 0;
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private string cpErrorFile = "";
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// Configuration root
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private IDictionary root = null;
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#endregion
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#region ================== Properties
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// Properties
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public bool ErrorResult { get { return cpErrorResult; } }
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public string ErrorDescription { get { return cpErrorDescription; } }
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public int ErrorLine { get { return cpErrorLine; } }
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public string ErrorFile { get { return cpErrorFile; } }
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public IDictionary Root { get { return root; } set { root = value; } }
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public bool Sorted { get { return (root is ListDictionary); } }
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#endregion
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#region ================== Constructor / Destructor
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// Constructor
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public Configuration()
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{
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// Standard new configuration
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NewConfiguration();
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Constructor
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public Configuration(bool sorted)
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{
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// Standard new configuration
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NewConfiguration(sorted);
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Constructor to load a file immediately
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public Configuration(string filename)
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{
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// Load configuration from file
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LoadConfiguration(filename);
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Constructor to load a file immediately
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public Configuration(string filename, bool sorted)
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{
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// Load configuration from file
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LoadConfiguration(filename, sorted);
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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#endregion
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#region ================== Private Methods
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// This merges two structures
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private static IDictionary Combine(IDictionary d1, IDictionary d2, bool sorted)
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{
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// Create new dictionary
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IDictionary result;
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if(sorted) result = new ListDictionary(); else result = new Hashtable();
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// Copy all items from d1 to result
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IDictionaryEnumerator d1e = d1.GetEnumerator();
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while(d1e.MoveNext()) result.Add(d1e.Key, d1e.Value);
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// Go for all items in d2
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IDictionaryEnumerator d2e = d2.GetEnumerator();
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while(d2e.MoveNext())
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{
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// Check if this is another Hashtable
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if(d2e.Value is IDictionary)
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{
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// Check if already in result
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if(result.Contains(d2e.Key) && (result[d2e.Key] is IDictionary))
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{
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// Modify result
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result[d2e.Key] = Combine((IDictionary)result[d2e.Key], (IDictionary)d2e.Value, sorted);
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}
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else
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{
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// Copy from d2
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if(sorted)
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{
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// Sorted combine
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result[d2e.Key] = Combine(new ListDictionary(), (IDictionary)d2e.Value, sorted);
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}
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else
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{
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// Unsorted combine
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result[d2e.Key] = Combine(new Hashtable(), (IDictionary)d2e.Value, sorted);
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}
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}
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}
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else
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{
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// Check if also in d1
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if(result.Contains(d2e.Key))
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{
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// Modify result
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result[d2e.Key] = d2e.Value;
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}
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else
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{
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// Copy
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result.Add(d2e.Key, d2e.Value);
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}
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}
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}
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// Return result
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return result;
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}
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// This is called by all the ReadSetting overloads to perform the read
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private bool CheckSetting(IDictionary dic, string setting, string pathseperator)
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{
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IDictionary cs = null;
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// Split the path in an array
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string[] keys = setting.Split(pathseperator.ToCharArray());
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// Get the root item
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object item = dic;
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// Go for each item
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for(int i = 0; i < keys.Length; i++)
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{
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// Check if the current item is of ConfigStruct type
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if(item is IDictionary)
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{
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// Check if the key is valid
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if(ValidateKey(null, keys[i].Trim(), "", -1) == true)
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{
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// Cast to ConfigStruct
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cs = (IDictionary)item;
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// Check if the requested item exists
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if(cs.Contains(keys[i]) == true)
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{
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// Set the item to the next item
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item = cs[keys[i]];
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}
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else
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{
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// Key not found
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return false;
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}
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}
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else
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{
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// Invalid key in path
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return false;
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}
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}
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else
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{
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// Unable to go any further
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return false;
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}
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}
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// Return result
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return true;
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}
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// This is called by all the ReadSetting overloads to perform the read
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private object ReadAnySetting(string setting, object defaultsetting, string pathseperator) { return ReadAnySetting(root, setting, defaultsetting, pathseperator); }
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private object ReadAnySetting(IDictionary dic, string setting, object defaultsetting, string pathseperator) { return ReadAnySetting(dic, "", -1, setting, defaultsetting, pathseperator); }
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private object ReadAnySetting(IDictionary dic, string file, int line, string setting, object defaultsetting, string pathseperator)
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{
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IDictionary cs = null;
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// Split the path in an array
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string[] keys = setting.Split(pathseperator.ToCharArray());
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// Get the root item
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object item = dic;
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// Go for each item
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for(int i = 0; i < keys.Length; i++)
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{
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// Check if the current item is of ConfigStruct type
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if(item is IDictionary)
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{
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// Check if the key is valid
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if(ValidateKey(null, keys[i].Trim(), file, line) == true)
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{
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// Cast to ConfigStruct
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cs = (IDictionary)item;
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// Check if the requested item exists
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if(cs.Contains(keys[i]) == true)
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{
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// Set the item to the next item
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item = cs[keys[i]];
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}
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else
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{
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// Key not found
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// return default setting
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return defaultsetting;
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}
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}
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else
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{
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// Invalid key in path
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// return default setting
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return defaultsetting;
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}
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}
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else
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{
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// Unable to go any further
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// return default setting
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return defaultsetting;
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}
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}
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// Return the item
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return item;
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}
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// This returns a string added with escape characters
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private string EscapedString(string str)
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{
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// Replace the \ with \\ first!
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str = str.Replace("\\", "\\\\");
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str = str.Replace("\n", "\\n");
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str = str.Replace("\r", "\\r");
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str = str.Replace("\t", "\\t");
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str = str.Replace("\"", "\\\"");
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// Return result
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return str;
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}
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// This raises an error
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private void RaiseError(string file, int line, string description)
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{
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// Raise error
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if(!cpErrorResult)
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{
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cpErrorResult = true;
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cpErrorDescription = description;
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cpErrorLine = line;
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cpErrorFile = file;
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}
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}
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// This validates a given key and sets
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// error properties if key is invalid and errorline > -1
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private bool ValidateKey(IDictionary container, string key, string file, int errorline)
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{
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bool validateresult;
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// Check if key is an empty string
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if(key == "")
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{
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// ERROR: Missing key name in statement
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if(errorline > -1) RaiseError(file, errorline, ERROR_KEYMISSING);
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validateresult = false;
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}
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else
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{
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// Check if there are spaces in the key
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if(key.IndexOfAny(" ".ToCharArray()) > -1)
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{
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// ERROR: Spaces not allowed in key names
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if(errorline > -1) RaiseError(file, errorline, ERROR_KEYSPACES);
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validateresult = false;
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}
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else
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{
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// Check if we can test existance
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if(container != null)
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{
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/*
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// Test if the key exists in this container
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if(container.Contains(key) == true)
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{
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// ERROR: Key is not unique within struct
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if(errorline > -1) RaiseError(file, errorline, ERROR_KEYNOTUNQIUE);
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validateresult = false;
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}
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else
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*/
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{
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// Key OK
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validateresult = true;
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}
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}
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else
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{
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// Key OK
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validateresult = true;
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}
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}
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}
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// Return result
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return validateresult;
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}
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// This validates a given keyword and sets
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// error properties if keyword is invalid and errorline > -1
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private bool ValidateKeyword(string keyword, string file, int errorline)
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{
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bool validateresult;
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// Check if key is an empty string
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if(keyword == "")
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{
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// ERROR: Missing key name in statement
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if(errorline > -1) RaiseError(file, errorline, ERROR_ASSIGNINVALID);
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validateresult = false;
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}
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else
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{
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// Check if there are spaces in the key
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if(keyword.IndexOfAny(" ".ToCharArray()) > -1)
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{
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// ERROR: Spaces not allowed in key names
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if(errorline > -1) RaiseError(file, errorline, ERROR_ASSIGNINVALID);
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validateresult = false;
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}
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else
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{
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// Key OK
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validateresult = true;
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}
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}
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// Return result
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return validateresult;
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}
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#endregion
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#region ================== Parsing
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// This parses an assignment
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private object ParseAssignment(ref string file, ref string data, ref int pos, ref int line)
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{
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object val = null;
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while((pos < data.Length) && !cpErrorResult)
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{
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// Get current character
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char c = data[pos++];
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// Check for string opening
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if(c == '\"')
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{
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// Now parsing a string
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val = ParseString(ref file, ref data, ref pos, ref line);
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if(cpErrorResult) return null;
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}
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// Check for numeric character
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else if("0123456789-.&".IndexOf(c.ToString(CultureInfo.InvariantCulture)) > -1)
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{
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// Go one byte back, because this
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// byte is part of the number!
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pos--;
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// Now parsing a number
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val = ParseNumber(ref file, ref data, ref pos, ref line);
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if(cpErrorResult) return null;
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}
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// Check for new line
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else if(c == '\n')
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{
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// Count the new line
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line++;
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}
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// Check if assignment ends
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else if(c == ';')
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{
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// End of assignment
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return val;
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}
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// Otherwise (if not whitespace) it is a keyword
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else if((c != ' ') && (c != '\t'))
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{
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// Go one byte back, because this
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// byte is part of the keyword!
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pos--;
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// Now parsing a keyword
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val = ParseKeyword(ref file, ref data, ref pos, ref line);
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if(cpErrorResult) return null;
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}
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}
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RaiseError(file, line, ERROR_UNEXPECTED_END);
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return null;
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}
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// This parses a string
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private string ParseString(ref string file, ref string data, ref int pos, ref int line)
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{
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string val = "";
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// In escape sequence?
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bool escape = false;
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while((pos < data.Length) && !cpErrorResult)
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{
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// Get current character
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char c = data[pos++];
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// Check if in an escape sequence
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if(escape)
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{
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// What character?
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switch(c)
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{
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case '\\': val += "\\"; break;
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case 'n': val += "\n"; break;
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case '\"': val += "\""; break;
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case 'r': val += "\r"; break;
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case 't': val += "\t"; break;
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default:
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|
|
// Is it a number?
|
|
if("0123456789".IndexOf(c.ToString(CultureInfo.InvariantCulture)) > -1)
|
|
{
|
|
int vv = 0;
|
|
char vc = '0';
|
|
|
|
// Convert the next 3 characters to a number
|
|
string v = data.Substring(pos, 3);
|
|
try { vv = System.Convert.ToInt32(v.Trim(), CultureInfo.InvariantCulture); }
|
|
catch(System.FormatException)
|
|
{
|
|
// ERROR: Invalid value in assignment
|
|
RaiseError(file, line, ERROR_VALUEINVALID);
|
|
return null;
|
|
}
|
|
|
|
// Convert the number to a char
|
|
try { vc = System.Convert.ToChar(vv, CultureInfo.InvariantCulture); }
|
|
catch(System.FormatException)
|
|
{
|
|
// ERROR: Invalid value in assignment
|
|
RaiseError(file, line, ERROR_VALUEINVALID);
|
|
return null;
|
|
}
|
|
|
|
// Add the char
|
|
val += vc.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
else
|
|
{
|
|
// Add the character as it is
|
|
val += c.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
|
|
// Leave switch
|
|
break;
|
|
}
|
|
|
|
// End of escape sequence
|
|
escape = false;
|
|
}
|
|
else
|
|
{
|
|
// Check for sequence start
|
|
if(c == '\\')
|
|
{
|
|
// Next character is of escape sequence
|
|
escape = true;
|
|
}
|
|
// Check if string ends
|
|
else if(c == '\"')
|
|
{
|
|
return val;
|
|
}
|
|
// Check for new line
|
|
else if(c == '\n')
|
|
{
|
|
// Count the new line
|
|
line++;
|
|
}
|
|
// Everything else is just part of string
|
|
else
|
|
{
|
|
// Add to value
|
|
val += c.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
}
|
|
}
|
|
|
|
RaiseError(file, line, ERROR_UNEXPECTED_END);
|
|
return null;
|
|
}
|
|
|
|
|
|
// Parsing a number
|
|
private object ParseNumber(ref string file, ref string data, ref int pos, ref int line)
|
|
{
|
|
string val = "";
|
|
|
|
while((pos < data.Length) && !cpErrorResult)
|
|
{
|
|
// Get current character
|
|
char c = data[pos++];
|
|
|
|
// Check if number ends here
|
|
if((c == ';') || (c == ',') || (c == ')'))
|
|
{
|
|
// One byte back, because this
|
|
// is also the end of the assignment
|
|
pos--;
|
|
|
|
// Floating point?
|
|
if(val.IndexOf("f") > -1)
|
|
{
|
|
float fval = 0;
|
|
|
|
// Convert to float (remove the f first)
|
|
try { fval = System.Convert.ToSingle(val.Trim().Replace("f", ""), CultureInfo.InvariantCulture); }
|
|
catch(System.FormatException)
|
|
{
|
|
// ERROR: Invalid value in assignment
|
|
RaiseError(file, line, ERROR_VALUEINVALID);
|
|
return null;
|
|
}
|
|
return fval;
|
|
}
|
|
else
|
|
{
|
|
int ival = 0;
|
|
long lval = 0;
|
|
|
|
// Convert to int
|
|
try
|
|
{
|
|
// Convert to value
|
|
ival = System.Convert.ToInt32(val.Trim(), CultureInfo.InvariantCulture);
|
|
return ival;
|
|
}
|
|
catch(System.OverflowException)
|
|
{
|
|
// Too large for Int32, try Int64
|
|
try
|
|
{
|
|
// Convert to value
|
|
lval = System.Convert.ToInt64(val.Trim(), CultureInfo.InvariantCulture);
|
|
return lval;
|
|
}
|
|
catch(System.OverflowException)
|
|
{
|
|
// Too large for Int64, return error
|
|
RaiseError(file, line, ERROR_VALUETOOBIG);
|
|
return null;
|
|
}
|
|
catch(System.FormatException)
|
|
{
|
|
// ERROR: Invalid value in assignment
|
|
RaiseError(file, line, ERROR_VALUEINVALID);
|
|
return null;
|
|
}
|
|
}
|
|
catch(System.FormatException)
|
|
{
|
|
// ERROR: Invalid value in assignment
|
|
RaiseError(file, line, ERROR_VALUEINVALID);
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
// Check for new line
|
|
else if(c == '\n')
|
|
{
|
|
// Count the new line
|
|
line++;
|
|
}
|
|
// Everything else is part of the value
|
|
else
|
|
{
|
|
val += c.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
}
|
|
|
|
RaiseError(file, line, ERROR_UNEXPECTED_END);
|
|
return null;
|
|
}
|
|
|
|
|
|
// Parsing a keyword
|
|
private object ParseKeyword(ref string file, ref string data, ref int pos, ref int line)
|
|
{
|
|
string val = "";
|
|
|
|
while((pos < data.Length) && !cpErrorResult)
|
|
{
|
|
// Get current character
|
|
char c = data[pos++];
|
|
|
|
// Check if keyword ends
|
|
if((c == ';') || (c == ',') || (c == ')'))
|
|
{
|
|
// One byte back, because this
|
|
// is also the end of the assignment
|
|
pos--;
|
|
|
|
// Validate the keyword
|
|
if(ValidateKeyword(val.Trim(), file, line))
|
|
{
|
|
// Return result depending on the keyword
|
|
switch(val.Trim().ToLowerInvariant())
|
|
{
|
|
case "true": return (bool)true;
|
|
case "false": return (bool)false;
|
|
case "null": return null;
|
|
default: RaiseError(file, line, ERROR_KEYWORDUNKNOWN); return null;
|
|
}
|
|
}
|
|
}
|
|
// Check for new line
|
|
else if(c == '\n')
|
|
{
|
|
// Count the new line
|
|
line++;
|
|
}
|
|
// Everything else is just part of keyword
|
|
else
|
|
{
|
|
// Add to value
|
|
val += c.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
}
|
|
|
|
RaiseError(file, line, ERROR_UNEXPECTED_END);
|
|
return null;
|
|
}
|
|
|
|
|
|
// This includes another file
|
|
private void FunctionInclude(IDictionary cs, ArrayList args, ref string file, int line)
|
|
{
|
|
string data;
|
|
|
|
if(string.IsNullOrEmpty(file)) RaiseError(file, line, ERROR_INCLUDE_UNSUPPORTED);
|
|
if(args.Count < 1) RaiseError(file, line, ERROR_INVALID_ARGS);
|
|
if(!(args[0] is string)) RaiseError(file, line, ERROR_INVALID_ARGS + " Expected a string for argument 1.");
|
|
if((args.Count > 1) && !(args[1] is string)) RaiseError(file, line, ERROR_INVALID_ARGS + " Expected a string for argument 2.");
|
|
if(cpErrorResult) return;
|
|
|
|
// Determine the full path of the file to include
|
|
string includefile = Path.GetDirectoryName(file) + Path.DirectorySeparatorChar + args[0].ToString();
|
|
|
|
try
|
|
{
|
|
// Load the file contents
|
|
FileStream fstream = File.OpenRead(includefile);
|
|
byte[] fbuffer = new byte[fstream.Length];
|
|
fstream.Read(fbuffer, 0, fbuffer.Length);
|
|
fstream.Close();
|
|
|
|
// Convert byte array to string
|
|
data = Encoding.UTF8.GetString(fbuffer);
|
|
}
|
|
catch(Exception e)
|
|
{
|
|
RaiseError(file, line, "Unable to include file '" + includefile + "'. " + e.GetType().Name + ": " + e.Message);
|
|
return;
|
|
}
|
|
|
|
// Remove returns and tabs because the
|
|
// parser only uses newline for new lines.
|
|
data = data.Replace("\r", "");
|
|
data = data.Replace("\t", "");
|
|
|
|
// Parse the data
|
|
IDictionary inc;
|
|
if(cs is ListDictionary) inc = new ListDictionary(); else inc = new Hashtable();
|
|
int npos = 0, nline = 1;
|
|
InputStructure(inc, ref includefile, ref data, ref npos, ref nline);
|
|
if(!cpErrorResult)
|
|
{
|
|
// Check if a path is given
|
|
if((args.Count > 1) && !string.IsNullOrEmpty(args[1].ToString()))
|
|
{
|
|
IDictionary def;
|
|
if(cs is ListDictionary) def = new ListDictionary(); else def = new Hashtable();
|
|
if(CheckSetting(inc, args[1].ToString(), DEFAULT_SEPERATOR))
|
|
{
|
|
inc = (IDictionary)ReadAnySetting(inc, file, line, args[1].ToString(), def, DEFAULT_SEPERATOR);
|
|
}
|
|
else
|
|
{
|
|
RaiseError(file, line, "Include missing structure '" + args[1].ToString() + "' in file '" + includefile + "'");
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Recursively merge the structures with the current structure
|
|
IDictionary newcs = Combine(cs, inc, (cs is ListDictionary));
|
|
cs.Clear();
|
|
foreach(DictionaryEntry de in newcs) cs.Add(de.Key, de.Value);
|
|
}
|
|
}
|
|
|
|
|
|
// This parses a function
|
|
private void ParseFunction(IDictionary cs, ref string file, ref string data, ref int pos, ref int line, ref string functionname)
|
|
{
|
|
// We now parse arguments, separated by commas, until we reach the end of the function
|
|
ArrayList args = new ArrayList();
|
|
object val = null;
|
|
while((pos < data.Length) && !cpErrorResult)
|
|
{
|
|
// Get current character
|
|
char c = data[pos++];
|
|
|
|
// Check for end of function
|
|
if(c == ')')
|
|
{
|
|
// Check what function to run
|
|
switch(functionname.Trim().ToLowerInvariant())
|
|
{
|
|
// Include another file in here
|
|
case "include":
|
|
FunctionInclude(cs, args, ref file, line);
|
|
return;
|
|
|
|
default:
|
|
RaiseError(file, line, ERROR_UNKNOWN_FUNCTION);
|
|
return;
|
|
}
|
|
}
|
|
// Check for string opening
|
|
else if(c == '\"')
|
|
{
|
|
// Now parsing a string
|
|
val = ParseString(ref file, ref data, ref pos, ref line);
|
|
if(cpErrorResult) return;
|
|
args.Add(val);
|
|
}
|
|
// Check for numeric character
|
|
else if("0123456789-.&".IndexOf(c.ToString(CultureInfo.InvariantCulture)) > -1)
|
|
{
|
|
// Go one byte back, because this
|
|
// byte is part of the number!
|
|
pos--;
|
|
|
|
// Now parsing a number
|
|
val = ParseNumber(ref file, ref data, ref pos, ref line);
|
|
if(cpErrorResult) return;
|
|
args.Add(val);
|
|
}
|
|
// Check for new line
|
|
else if(c == '\n')
|
|
{
|
|
// Count the new line
|
|
line++;
|
|
}
|
|
// Check if argument ends
|
|
else if(c == ',')
|
|
{
|
|
// End of argument
|
|
}
|
|
// Otherwise (if not whitespace) it is a keyword
|
|
else if((c != ' ') && (c != '\t'))
|
|
{
|
|
// Go one byte back, because this
|
|
// byte is part of the keyword!
|
|
pos--;
|
|
|
|
// Now parsing a keyword
|
|
val = ParseKeyword(ref file, ref data, ref pos, ref line);
|
|
if(cpErrorResult) return;
|
|
args.Add(val);
|
|
}
|
|
}
|
|
|
|
RaiseError(file, line, ERROR_UNEXPECTED_END);
|
|
return;
|
|
}
|
|
|
|
|
|
// This parses a structure in the given data starting
|
|
// from the given pos and line and updates pos and line.
|
|
private void InputStructure(IDictionary cs, ref string file, ref string data, ref int pos, ref int line)
|
|
{
|
|
string key = "";
|
|
|
|
// Go through all of the data until
|
|
// the end or until the struct closes
|
|
// or when an arror occurred
|
|
while ((pos < data.Length) && !cpErrorResult)
|
|
{
|
|
// Get current character
|
|
char c = data[pos++];
|
|
|
|
// Check what character this is
|
|
switch(c)
|
|
{
|
|
case '{': // Begin of new struct
|
|
|
|
// Validate key
|
|
if(ValidateKey(cs, key.Trim(), file, line))
|
|
{
|
|
// Parse this struct and add it
|
|
IDictionary cs2;
|
|
if(cs is ListDictionary) cs2 = new ListDictionary(); else cs2 = new Hashtable();
|
|
InputStructure(cs2, ref file, ref data, ref pos, ref line);
|
|
if(cs.Contains(key.Trim()) && (cs[key.Trim()] is IDictionary))
|
|
cs[key.Trim()] = Combine((IDictionary)cs[key.Trim()], cs2, (cs is ListDictionary));
|
|
else
|
|
cs[key.Trim()] = cs2;
|
|
key = "";
|
|
}
|
|
break;
|
|
|
|
case '}': // End of this struct
|
|
|
|
// Stop parsing in this struct
|
|
return;
|
|
|
|
case '(': // Function
|
|
ParseFunction(cs, ref file, ref data, ref pos, ref line, ref key);
|
|
key = "";
|
|
break;
|
|
|
|
case '=': // Assignment
|
|
|
|
// Validate key
|
|
if(ValidateKey(cs, key.Trim(), file, line))
|
|
{
|
|
// Now parsing assignment
|
|
object val = ParseAssignment(ref file, ref data, ref pos, ref line);
|
|
if(!cpErrorResult)
|
|
{
|
|
cs[key.Trim()] = val;
|
|
key = "";
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ';': // Terminator
|
|
|
|
// Validate key
|
|
if(!string.IsNullOrEmpty(key))
|
|
{
|
|
if(ValidateKey(cs, key.Trim(), file, line))
|
|
{
|
|
// Add the key with null as value
|
|
cs[key.Trim()] = null;
|
|
key = "";
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '\n': // New line
|
|
|
|
// Count the line
|
|
line++;
|
|
|
|
// Add this to the key as a space.
|
|
// Spaces are not allowed, but it will be trimmed
|
|
// when its the first or last character.
|
|
key += " ";
|
|
break;
|
|
|
|
case '\\': // Possible comment
|
|
case '/':
|
|
|
|
// Backtrack to use previous character also
|
|
pos--;
|
|
|
|
// Check for the line comment //
|
|
if(data.Substring(pos, 2) == "//")
|
|
{
|
|
// Find the next line
|
|
int np = data.IndexOf("\n", pos);
|
|
|
|
// Next line found?
|
|
if(np > -1)
|
|
{
|
|
// Count the line
|
|
line++;
|
|
|
|
// Skip everything on this line
|
|
pos = np + 1;
|
|
}
|
|
else
|
|
{
|
|
// No end of line
|
|
// Skip everything else
|
|
pos = data.Length + 1;
|
|
}
|
|
}
|
|
// Check for the block comment /* */
|
|
else if(data.Substring(pos, 2) == "/*")
|
|
{
|
|
// Find the next closing block comment
|
|
int np = data.IndexOf("*/", pos);
|
|
|
|
// Closing block comment found?
|
|
if(np > -1)
|
|
{
|
|
// Count the lines in the block comment
|
|
string blockdata = data.Substring(pos, np - pos + 2);
|
|
line += (blockdata.Split("\n".ToCharArray()).Length - 1);
|
|
|
|
// Skip everything in this block
|
|
pos = np + 2;
|
|
}
|
|
else
|
|
{
|
|
// No end of line
|
|
// Skip everything else
|
|
pos = data.Length + 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// No whitespace
|
|
pos++;
|
|
}
|
|
break;
|
|
|
|
default: // Everything else
|
|
|
|
// Add character to key
|
|
key += c.ToString(CultureInfo.InvariantCulture);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Writing
|
|
|
|
// This will create a data structure from the given object
|
|
private string OutputStructure(IDictionary cs, int level, string newline, bool whitespace)
|
|
{
|
|
string leveltabs = "";
|
|
string spacing = "";
|
|
StringBuilder db = new StringBuilder("");
|
|
|
|
// Check if this ConfigStruct is not empty
|
|
if(cs.Count > 0)
|
|
{
|
|
// Create whitespace
|
|
if(whitespace)
|
|
{
|
|
for(int i = 0; i < level; i++) leveltabs += "\t";
|
|
spacing = " ";
|
|
}
|
|
|
|
// Get enumerator
|
|
IDictionaryEnumerator de = cs.GetEnumerator();
|
|
|
|
// Go for each item
|
|
for(int i = 0; i < cs.Count; i++)
|
|
{
|
|
// Go to next item
|
|
de.MoveNext();
|
|
|
|
// Check if the value is null
|
|
if(de.Value == null)
|
|
{
|
|
// Output the keyword "null"
|
|
//db.Append(leveltabs); db.Append(de.Key.ToString()); db.Append(spacing);
|
|
//db.Append("="); db.Append(spacing); db.Append("null;"); db.Append(newline);
|
|
|
|
// Output key only
|
|
db.Append(leveltabs); db.Append(de.Key.ToString()); db.Append(";"); db.Append(newline);
|
|
}
|
|
// Check if the value if of ConfigStruct type
|
|
else if(de.Value is IDictionary)
|
|
{
|
|
// Output recursive structure
|
|
if(whitespace) { db.Append(leveltabs); db.Append(newline); }
|
|
db.Append(leveltabs); db.Append(de.Key); db.Append(newline);
|
|
db.Append(leveltabs); db.Append("{"); db.Append(newline);
|
|
db.Append(OutputStructure((IDictionary)de.Value, level + 1, newline, whitespace));
|
|
db.Append(leveltabs); db.Append("}"); db.Append(newline);
|
|
if(whitespace) { db.Append(leveltabs); db.Append(newline); }
|
|
}
|
|
// Check if the value is of boolean type
|
|
else if(de.Value is bool)
|
|
{
|
|
// Check value
|
|
if((bool)de.Value == true)
|
|
{
|
|
// Output the keyword "true"
|
|
db.Append(leveltabs); db.Append(de.Key.ToString()); db.Append(spacing);
|
|
db.Append("="); db.Append(spacing); db.Append("true;"); db.Append(newline);
|
|
}
|
|
else
|
|
{
|
|
// Output the keyword "false"
|
|
db.Append(leveltabs); db.Append(de.Key.ToString()); db.Append(spacing);
|
|
db.Append("="); db.Append(spacing); db.Append("false;"); db.Append(newline);
|
|
}
|
|
}
|
|
// Check if value is of float type
|
|
else if(de.Value is float)
|
|
{
|
|
// Output the value with a postfixed f
|
|
db.Append(leveltabs); db.Append(de.Key); db.Append(spacing); db.Append("=");
|
|
db.Append(spacing); db.Append(String.Format(CultureInfo.InvariantCulture, "{0}", de.Value)); db.Append("f;"); db.Append(newline);
|
|
}
|
|
// Check if value is of other numeric type
|
|
else if(de.Value.GetType().IsPrimitive)
|
|
{
|
|
// Output the value unquoted
|
|
db.Append(leveltabs); db.Append(de.Key); db.Append(spacing); db.Append("=");
|
|
db.Append(spacing); db.Append(String.Format(CultureInfo.InvariantCulture, "{0}", de.Value)); db.Append(";"); db.Append(newline);
|
|
}
|
|
else
|
|
{
|
|
// Output the value with quotes and escape characters
|
|
db.Append(leveltabs); db.Append(de.Key); db.Append(spacing); db.Append("=");
|
|
db.Append(spacing); db.Append("\""); db.Append(EscapedString(de.Value.ToString())); db.Append("\";"); db.Append(newline);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Return the structure
|
|
return db.ToString();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Public Methods
|
|
|
|
// This clears the last error
|
|
public void ClearError()
|
|
{
|
|
// Clear error
|
|
cpErrorResult = false;
|
|
cpErrorDescription = "";
|
|
cpErrorLine = 0;
|
|
cpErrorFile = "";
|
|
}
|
|
|
|
|
|
// This creates a new configuration
|
|
public void NewConfiguration() { NewConfiguration(false); }
|
|
public void NewConfiguration(bool sorted)
|
|
{
|
|
// Create new configuration
|
|
if(sorted) root = new ListDictionary(); else root = new Hashtable();
|
|
}
|
|
|
|
// This checks if a given setting exists (disregards type)
|
|
public bool SettingExists(string setting) { return CheckSetting(root, setting, DEFAULT_SEPERATOR); }
|
|
public bool SettingExists(string setting, string pathseperator) { return CheckSetting(root, setting, pathseperator); }
|
|
|
|
// This can give a value of a key specified in a path form
|
|
// also, this does not error when the setting does not exist,
|
|
// but instead returns the given default value.
|
|
public string ReadSetting(string setting, string defaultsetting) { object r = ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR); if(r != null) return r.ToString(); else return null; }
|
|
public string ReadSetting(string setting, string defaultsetting, string pathseperator) { object r = ReadAnySetting(setting, defaultsetting, pathseperator); if(r != null) return r.ToString(); else return null; }
|
|
public int ReadSetting(string setting, int defaultsetting) { return Convert.ToInt32(ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR), CultureInfo.InvariantCulture); }
|
|
public int ReadSetting(string setting, int defaultsetting, string pathseperator) { return Convert.ToInt32(ReadAnySetting(setting, defaultsetting, pathseperator), CultureInfo.InvariantCulture); }
|
|
public float ReadSetting(string setting, float defaultsetting) { return Convert.ToSingle(ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR), CultureInfo.InvariantCulture); }
|
|
public float ReadSetting(string setting, float defaultsetting, string pathseperator) { return Convert.ToSingle(ReadAnySetting(setting, defaultsetting, pathseperator), CultureInfo.InvariantCulture); }
|
|
public short ReadSetting(string setting, short defaultsetting) { return Convert.ToInt16(ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR), CultureInfo.InvariantCulture); }
|
|
public short ReadSetting(string setting, short defaultsetting, string pathseperator) { return Convert.ToInt16(ReadAnySetting(setting, defaultsetting, pathseperator), CultureInfo.InvariantCulture); }
|
|
public long ReadSetting(string setting, long defaultsetting) { return Convert.ToInt64(ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR), CultureInfo.InvariantCulture); }
|
|
public long ReadSetting(string setting, long defaultsetting, string pathseperator) { return Convert.ToInt64(ReadAnySetting(setting, defaultsetting, pathseperator), CultureInfo.InvariantCulture); }
|
|
public bool ReadSetting(string setting, bool defaultsetting) { return Convert.ToBoolean(ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR), CultureInfo.InvariantCulture); }
|
|
public bool ReadSetting(string setting, bool defaultsetting, string pathseperator) { return Convert.ToBoolean(ReadAnySetting(setting, defaultsetting, pathseperator), CultureInfo.InvariantCulture); }
|
|
public byte ReadSetting(string setting, byte defaultsetting) { return Convert.ToByte(ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR), CultureInfo.InvariantCulture); }
|
|
public byte ReadSetting(string setting, byte defaultsetting, string pathseperator) { return Convert.ToByte(ReadAnySetting(setting, defaultsetting, pathseperator), CultureInfo.InvariantCulture); }
|
|
public IDictionary ReadSetting(string setting, IDictionary defaultsetting) { return (IDictionary)ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR); }
|
|
public IDictionary ReadSetting(string setting, IDictionary defaultsetting, string pathseperator) { return (IDictionary)ReadAnySetting(setting, defaultsetting, pathseperator); }
|
|
|
|
public object ReadSettingObject(string setting, object defaultsetting) { return ReadAnySetting(setting, defaultsetting, DEFAULT_SEPERATOR); }
|
|
|
|
|
|
// This writes a given setting to the configuration.
|
|
// Wont change existing structs, but will add them as needed.
|
|
// Returns true when written, false when failed.
|
|
public bool WriteSetting(string setting, object settingvalue) { return WriteSetting(setting, settingvalue, DEFAULT_SEPERATOR); }
|
|
public bool WriteSetting(string setting, object settingvalue, string pathseperator)
|
|
{
|
|
IDictionary cs = null;
|
|
|
|
// Split the path in an array
|
|
string[] keys = setting.Split(pathseperator.ToCharArray());
|
|
string finalkey = keys[keys.Length - 1];
|
|
|
|
// Get the root item
|
|
object item = root;
|
|
|
|
// Go for each path item
|
|
for(int i = 0; i < (keys.Length - 1); i++)
|
|
{
|
|
// Check if the key is valid
|
|
if(ValidateKey(null, keys[i].Trim(), "", -1) == true)
|
|
{
|
|
// Cast to ConfigStruct
|
|
cs = (IDictionary)item;
|
|
|
|
// Check if the requested item exists
|
|
if(cs.Contains(keys[i]) == true)
|
|
{
|
|
// Check if the requested item is a ConfigStruct
|
|
if(cs[keys[i]] is IDictionary)
|
|
{
|
|
// Set the item to the next item
|
|
item = cs[keys[i]];
|
|
}
|
|
else
|
|
{
|
|
// Cant proceed with path
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Key not found
|
|
// Create it now
|
|
IDictionary ncs;
|
|
if(root is ListDictionary) ncs = new ListDictionary(); else ncs = new Hashtable();
|
|
cs.Add(keys[i], ncs);
|
|
|
|
// Set the item to the next item
|
|
item = cs[keys[i]];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Invalid key in path
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Cast to ConfigStruct
|
|
cs = (IDictionary)item;
|
|
|
|
// Check if the key already exists
|
|
if(cs.Contains(finalkey) == true)
|
|
{
|
|
// Update the value
|
|
cs[finalkey] = settingvalue;
|
|
}
|
|
else
|
|
{
|
|
// Create the key/value pair
|
|
cs.Add(finalkey, settingvalue);
|
|
}
|
|
|
|
// Return success
|
|
return true;
|
|
}
|
|
|
|
|
|
// This removes a given setting from the configuration.
|
|
public bool DeleteSetting(string setting) { return DeleteSetting(setting, DEFAULT_SEPERATOR); }
|
|
public bool DeleteSetting(string setting, string pathseperator)
|
|
{
|
|
IDictionary cs = null;
|
|
|
|
// Split the path in an array
|
|
string[] keys = setting.Split(pathseperator.ToCharArray());
|
|
string finalkey = keys[keys.Length - 1];
|
|
|
|
// Get the root item
|
|
object item = root;
|
|
|
|
// Go for each path item
|
|
for(int i = 0; i < (keys.Length - 1); i++)
|
|
{
|
|
// Check if the key is valid
|
|
if(ValidateKey(null, keys[i].Trim(), "", -1) == true)
|
|
{
|
|
// Cast to ConfigStruct
|
|
cs = (IDictionary)item;
|
|
|
|
// Check if the requested item exists
|
|
if(cs.Contains(keys[i]) == true)
|
|
{
|
|
// Check if the requested item is a ConfigStruct
|
|
if(cs[keys[i]] is IDictionary)
|
|
{
|
|
// Set the item to the next item
|
|
item = cs[keys[i]];
|
|
}
|
|
else
|
|
{
|
|
// Cant proceed with path
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Key not found
|
|
// Create it now
|
|
IDictionary ncs;
|
|
if(root is ListDictionary) ncs = new ListDictionary(); else ncs = new Hashtable();
|
|
cs.Add(keys[i], ncs);
|
|
|
|
// Set the item to the next item
|
|
item = cs[keys[i]];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Invalid key in path
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Cast to ConfigStruct
|
|
cs = (IDictionary)item;
|
|
|
|
// Arrived at our destination
|
|
// Delete the key if the key exists
|
|
if(cs.Contains(finalkey) == true)
|
|
{
|
|
// Key exists, delete it
|
|
cs.Remove(finalkey);
|
|
|
|
// Return success
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// Key not found, return fail
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
// This will save the current configuration to the specified file
|
|
public bool SaveConfiguration(string filename) { return SaveConfiguration(filename, "\r\n", true); }
|
|
public bool SaveConfiguration(string filename, string newline) { return SaveConfiguration(filename, newline, true); }
|
|
public bool SaveConfiguration(string filename, string newline, bool whitespace)
|
|
{
|
|
// Kill the file if it exists
|
|
if(File.Exists(filename) == true) File.Delete(filename);
|
|
|
|
// Open file stream for writing
|
|
FileStream fstream = File.OpenWrite(filename);
|
|
|
|
// Create output structure and write to file
|
|
string data = OutputConfiguration(newline, whitespace);
|
|
byte[] baData= Encoding.UTF8.GetBytes(data);
|
|
fstream.Write(baData, 0, baData.Length);
|
|
fstream.Flush();
|
|
fstream.Close();
|
|
|
|
// Return true when done, false when errors occurred
|
|
return !cpErrorResult;
|
|
}
|
|
|
|
|
|
// This will output the current configuration as a string
|
|
public string OutputConfiguration() { return OutputConfiguration("\r\n", true); }
|
|
public string OutputConfiguration(string newline) { return OutputConfiguration(newline, true); }
|
|
public string OutputConfiguration(string newline, bool whitespace)
|
|
{
|
|
// Simply return the configuration structure as string
|
|
return OutputStructure(root, 0, newline, whitespace);
|
|
}
|
|
|
|
|
|
// This will load a configuration from file
|
|
public bool LoadConfiguration(string filename) { return LoadConfiguration(filename, false); }
|
|
public bool LoadConfiguration(string filename, bool sorted)
|
|
{
|
|
// Check if the file is missing
|
|
if(File.Exists(filename) == false)
|
|
{
|
|
throw(new FileNotFoundException("File not found \"" + filename + "\"", filename));
|
|
}
|
|
else
|
|
{
|
|
// Load the file contents
|
|
FileStream fstream = File.OpenRead(filename);
|
|
byte[] fbuffer = new byte[fstream.Length];
|
|
fstream.Read(fbuffer, 0, fbuffer.Length);
|
|
fstream.Close();
|
|
|
|
// Convert byte array to string
|
|
string data = Encoding.UTF8.GetString(fbuffer);
|
|
|
|
// Load the configuration from this data
|
|
return InputConfiguration(filename, data, sorted);
|
|
}
|
|
}
|
|
|
|
|
|
// This will load a configuration from string
|
|
public bool InputConfiguration(string data) { return InputConfiguration(data, false); }
|
|
public bool InputConfiguration(string data, bool sorted) { return InputConfiguration("", data, sorted); }
|
|
private bool InputConfiguration(string file, string data, bool sorted)
|
|
{
|
|
// Remove returns and tabs because the
|
|
// parser only uses newline for new lines.
|
|
data = data.Replace("\r", "");
|
|
data = data.Replace("\t", "");
|
|
|
|
// Clear errors
|
|
ClearError();
|
|
|
|
// Parse the data to the root structure
|
|
if(sorted) root = new ListDictionary(); else root = new Hashtable();
|
|
int pos = 0, line = 1;
|
|
InputStructure(root, ref file, ref data, ref pos, ref line);
|
|
|
|
// Return true when done, false when errors occurred
|
|
return !cpErrorResult;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|