// // assembly: System // namespace: System.Text.RegularExpressions // file: Match.cs // // author: Dan Lewis (dlewis@gmx.co.uk) // (c) 2002 // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be // included in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // using System; namespace System.Text.RegularExpressions { [Serializable] public class Match : Group { public static Match Empty { get { return empty; } } public static Match Synchronized (Match inner) { return inner; // FIXME need to sync on machine access } public virtual GroupCollection Groups { get { return groups; } } public Match NextMatch () { if (this == Empty) return Empty; int scan_ptr = regex.RightToLeft ? Index : Index + Length; // next match after an empty match: make sure scan ptr makes progress if (Length == 0) scan_ptr += regex.RightToLeft ? -1 : +1; return machine.Scan (regex, Text, scan_ptr, text_length); } public virtual string Result (string replacement) { return ReplacementEvaluator.Evaluate (replacement, this); } // internal private Match () : base () { this.regex = null; this.machine = null; this.text_length = 0; this.groups = new GroupCollection (1); groups.SetValue (this, 0); } internal Match (Regex regex, IMachine machine, string text, int text_length, int n_groups, int index, int length, int n_caps) : base (text, index, length, n_caps) { this.regex = regex; this.machine = machine; this.text_length = text_length; this.groups = new GroupCollection (n_groups); groups.SetValue (this, 0); } internal Regex Regex { get { return regex; } } // private private Regex regex; private IMachine machine; private int text_length; private GroupCollection groups; private static Match empty = new Match (); } }