Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Web / System / Web / Services / Protocols / PatternMatcher.cs / 1305376 / PatternMatcher.cs
namespace System.Web.Services.Protocols { using System; using System.Reflection; using System.Collections; using System.Text.RegularExpressions; using System.Security.Permissions; ////// /// [PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")] public sealed class PatternMatcher { MatchType matchType; ///[To be supplied.] ////// /// public PatternMatcher(Type type) { matchType = MatchType.Reflect(type); } ///[To be supplied.] ////// /// public object Match(string text) { return matchType.Match(text); } } internal class MatchType { Type type; MatchMember[] fields; internal Type Type { get { return type; } } internal static MatchType Reflect(Type type) { MatchType matchType = new MatchType(); matchType.type = type; MemberInfo[] memberInfos = type.GetMembers(BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.Instance); ArrayList list = new ArrayList(); for (int i = 0; i < memberInfos.Length; i++) { MatchMember member = MatchMember.Reflect(memberInfos[i]); if (member != null) list.Add(member); } matchType.fields = (MatchMember[])list.ToArray(typeof(MatchMember)); return matchType; } internal object Match(string text) { object target = Activator.CreateInstance(type); for (int i = 0; i < fields.Length; i++) fields[i].Match(target, text); return target; } } internal class MatchMember { MemberInfo memberInfo; Regex regex; int group; int capture; int maxRepeats; MatchType matchType; internal void Match(object target, string text) { if (memberInfo is FieldInfo) ((FieldInfo)memberInfo).SetValue(target, matchType == null ? MatchString(text) : MatchClass(text)); else if (memberInfo is PropertyInfo) { ((PropertyInfo)memberInfo).SetValue(target, matchType == null ? MatchString(text) : MatchClass(text), new object[0]); } } object MatchString(string text) { Match m = regex.Match(text); Type fieldType = memberInfo is FieldInfo ? ((FieldInfo)memberInfo).FieldType : ((PropertyInfo)memberInfo).PropertyType; if (fieldType.IsArray) { ArrayList matches = new ArrayList(); int matchCount = 0; while (m.Success && matchCount < maxRepeats) { if (m.Groups.Count <= group) throw BadGroupIndexException(group, memberInfo.Name, m.Groups.Count - 1); Group g = m.Groups[group]; foreach (Capture c in g.Captures) { matches.Add(text.Substring(c.Index, c.Length)); } m = m.NextMatch(); matchCount++; } return matches.ToArray(typeof(string)); } else { if (m.Success) { if (m.Groups.Count <= group) throw BadGroupIndexException(group, memberInfo.Name, m.Groups.Count - 1); Group g = m.Groups[group]; if (g.Captures.Count > 0) { if (g.Captures.Count <= capture) throw BadCaptureIndexException(capture, memberInfo.Name, g.Captures.Count - 1); Capture c = g.Captures[capture]; return text.Substring(c.Index, c.Length); } } return null; } } object MatchClass(string text) { Match m = regex.Match(text); Type fieldType = memberInfo is FieldInfo ? ((FieldInfo)memberInfo).FieldType : ((PropertyInfo)memberInfo).PropertyType; if (fieldType.IsArray) { ArrayList matches = new ArrayList(); int matchCount = 0; while (m.Success && matchCount < maxRepeats) { if (m.Groups.Count <= group) throw BadGroupIndexException(group, memberInfo.Name, m.Groups.Count - 1); Group g = m.Groups[group]; foreach (Capture c in g.Captures) { matches.Add(matchType.Match(text.Substring(c.Index, c.Length))); } m = m.NextMatch(); matchCount++; } return matches.ToArray(matchType.Type); } else { if (m.Success) { if (m.Groups.Count <= group) throw BadGroupIndexException(group, memberInfo.Name, m.Groups.Count - 1); Group g = m.Groups[group]; if (g.Captures.Count > 0) { if (g.Captures.Count <= capture) throw BadCaptureIndexException(capture, memberInfo.Name, g.Captures.Count - 1); Capture c = g.Captures[capture]; return matchType.Match(text.Substring(c.Index, c.Length)); } } return null; } } static Exception BadCaptureIndexException(int index, string matchName, int highestIndex) { return new Exception(Res.GetString(Res.WebTextMatchBadCaptureIndex, index, matchName, highestIndex)); } static Exception BadGroupIndexException(int index, string matchName, int highestIndex) { return new Exception(Res.GetString(Res.WebTextMatchBadGroupIndex, index, matchName, highestIndex)); } internal static MatchMember Reflect(MemberInfo memberInfo) { Type memberType = null; if (memberInfo is PropertyInfo) { PropertyInfo propertyInfo = (PropertyInfo)memberInfo; if (!propertyInfo.CanRead) return null; // if (!propertyInfo.CanWrite) return null; MethodInfo getMethod = propertyInfo.GetGetMethod(); if (getMethod.IsStatic) return null; ParameterInfo[] parameters = getMethod.GetParameters(); if (parameters.Length > 0) return null; memberType = propertyInfo.PropertyType; } if (memberInfo is FieldInfo) { FieldInfo fieldInfo = (FieldInfo)memberInfo; if (!fieldInfo.IsPublic) return null; if (fieldInfo.IsStatic) return null; if (fieldInfo.IsSpecialName) return null; memberType = fieldInfo.FieldType; } object[] attrs = memberInfo.GetCustomAttributes(typeof(MatchAttribute), false); if (attrs.Length == 0) return null; MatchAttribute attr = (MatchAttribute)attrs[0]; MatchMember member = new MatchMember(); member.regex = new Regex(attr.Pattern, RegexOptions.Singleline | (attr.IgnoreCase ? RegexOptions.IgnoreCase | RegexOptions.CultureInvariant: 0)); member.group = attr.Group; member.capture = attr.Capture; member.maxRepeats = attr.MaxRepeats; member.memberInfo = memberInfo; if (member.maxRepeats < 0) // unspecified member.maxRepeats = memberType.IsArray ? int.MaxValue : 1; if (memberType.IsArray) { memberType = memberType.GetElementType(); } if (memberType != typeof(string)) { member.matchType = MatchType.Reflect(memberType); } return member; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.[To be supplied.] ///
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