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//
// System.Data.OracleClient.Regex.cs
//
// Authors:
// Konstantin Triger (kostat@mainsoft.com)
//
// (c) 2006 Mainsoft corp. (http://www.mainsoft.com)
//
//
// 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;
using System.Data.ProviderBase;
namespace System.Data.OracleClient
{
/// <summary>
/// Summary description for Regex.
/// </summary>
internal class OracleParamsRegex : SimpleRegex {
//static readonly char[] charsEnd = new char[] {' ', '\f', '\t', '\v', '\r', '\n', ',', ';', '(', ')', '[', ']','='};
protected override SimpleMatch Match(string input, int beginning, int length) {
int actualLen = length-1; //there must be something after @
for (int i = beginning; i < actualLen; i++) {
char ch = input[i];
switch(ch) {
case '\'': {
int end = input.IndexOf('\'', i+1);
if (end < 0)
break;
i = end;
break;
}
case '"': {
int end = input.IndexOf('"', i+1);
if (end < 0)
break;
i = end;
break;
}
case '[': {
int end = input.IndexOf(']', i+1);
if (end < 0)
break;
i = end;
break;
}
case ':': {
int start = i;
do {
i++;
}while (i < length && input[i] == ':');
if (i - start > 1)
break;
while (i < length && IsWordChar(input[i]))
i++;
return new SimpleMatch(this, length, true, start, i-start, input);
}
}
}
return new SimpleMatch(this, length, false, length, 0, input);
}
}
}
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