93 lines
2.5 KiB
C#
93 lines
2.5 KiB
C#
//
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// System.Data.OracleClient.Regex.cs
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//
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// Authors:
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// Konstantin Triger (kostat@mainsoft.com)
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//
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// (c) 2006 Mainsoft corp. (http://www.mainsoft.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Data.ProviderBase;
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namespace System.Data.OracleClient
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{
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/// <summary>
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/// Summary description for Regex.
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/// </summary>
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internal class OracleParamsRegex : SimpleRegex {
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//static readonly char[] charsEnd = new char[] {' ', '\f', '\t', '\v', '\r', '\n', ',', ';', '(', ')', '[', ']','='};
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protected override SimpleMatch Match(string input, int beginning, int length) {
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int actualLen = length-1; //there must be something after @
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for (int i = beginning; i < actualLen; i++) {
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char ch = input[i];
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switch(ch) {
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case '\'': {
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int end = input.IndexOf('\'', i+1);
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if (end < 0)
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break;
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i = end;
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break;
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}
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case '"': {
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int end = input.IndexOf('"', i+1);
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if (end < 0)
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break;
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i = end;
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break;
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}
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case '[': {
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int end = input.IndexOf(']', i+1);
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if (end < 0)
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break;
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i = end;
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break;
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}
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case ':': {
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int start = i;
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do {
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i++;
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}while (i < length && input[i] == ':');
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if (i - start > 1)
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break;
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while (i < length && IsWordChar(input[i]))
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i++;
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return new SimpleMatch(this, length, true, start, i-start, input);
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}
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}
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}
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return new SimpleMatch(this, length, false, length, 0, input);
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}
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}
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}
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