149 lines
6.4 KiB
C#
149 lines
6.4 KiB
C#
//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.ServiceModel.ComIntegration
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{
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Text;
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internal static class MonikerUtility
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{
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internal static string Getkeyword(string moniker, out MonikerHelper.MonikerAttribute keyword)
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{
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moniker = moniker.TrimStart();
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int indexOfEqualSign = moniker.IndexOf("=", StringComparison.Ordinal);
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if (indexOfEqualSign == -1)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.NoEqualSignFound, moniker)));
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int indexOfComma = moniker.IndexOf(",", StringComparison.Ordinal);
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if (indexOfComma != -1 && indexOfComma < indexOfEqualSign)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.NoEqualSignFound, moniker)));
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string suspectedKeyword = moniker.Substring(0, indexOfEqualSign).Trim();
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suspectedKeyword = suspectedKeyword.ToLower(System.Globalization.CultureInfo.InvariantCulture);
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foreach (MonikerHelper.KeywordInfo keywordInfo in MonikerHelper.KeywordInfo.KeywordCollection)
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{
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if (suspectedKeyword == keywordInfo.Name)
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{
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keyword = keywordInfo.Attrib;
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moniker = moniker.Substring(indexOfEqualSign + 1).TrimStart();
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return moniker;
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}
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}
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.UnknownMonikerKeyword, suspectedKeyword)));
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}
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internal static string GetValue(string moniker, out string val)
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{
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StringBuilder value = new StringBuilder();
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int index = 0;
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moniker = moniker.Trim();
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if (string.IsNullOrEmpty(moniker))
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.KewordMissingValue)));
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switch (moniker[index])
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{
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case '"':
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case '\'':
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{
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char quoteToCompare = moniker[index];
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index++;
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for (; index < moniker.Length; index++)
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{
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if (moniker[index] == quoteToCompare)
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{
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if ((index < (moniker.Length - 1)) && (moniker[index + 1] == quoteToCompare))
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{
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value.Append(quoteToCompare);
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index++;
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}
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else
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{
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break;
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}
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}
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else
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value.Append(moniker[index]);
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}
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if (index < moniker.Length)
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{
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index++;
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if (index < moniker.Length)
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{
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moniker = moniker.Substring(index);
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moniker = moniker.Trim();
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if (!String.IsNullOrEmpty(moniker))
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{
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if (moniker[0] == ',')
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{
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moniker = moniker.Substring(1);
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moniker = moniker.Trim();
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}
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else
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.BadlyTerminatedValue, value.ToString())));
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}
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}
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else
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moniker = "";
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}
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else
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.MissingQuote, value.ToString())));
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break;
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}
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default:
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{
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for (; (index < moniker.Length) && (moniker[index] != ','); index++)
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value.Append(moniker[index]);
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if (index < moniker.Length)
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{
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index++;
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if (index < moniker.Length)
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{
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moniker = moniker.Substring(index);
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moniker = moniker.Trim();
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}
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}
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else
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moniker = "";
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break;
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}
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}
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val = value.ToString().Trim();
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return moniker;
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}
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internal static void Parse(string displayName, ref Dictionary<MonikerHelper.MonikerAttribute, string> propertyTable)
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{
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int indexOfMonikerData = displayName.IndexOf(":", StringComparison.Ordinal);
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if (indexOfMonikerData == -1)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.MonikerMissingColon)));
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string monikerParams = displayName.Substring(indexOfMonikerData + 1).Trim();
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MonikerHelper.MonikerAttribute keyword;
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string value;
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while (!string.IsNullOrEmpty(monikerParams))
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{
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monikerParams = Getkeyword(monikerParams, out keyword);
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propertyTable.TryGetValue(keyword, out value);
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if (!String.IsNullOrEmpty(value))
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.RepeatedKeyword)));
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monikerParams = GetValue(monikerParams, out value);
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propertyTable[keyword] = value;
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}
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}
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}
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}
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