/// ------------------------------------------------------------------------------------
/// <summary>
/// Return all matches of the text in specified text using the Boyer-Moore algorithm
/// </summary>
/// <param name="text">The input text.</param>
/// <param name="pattern">The pattern to search.</param>
/// <param name="startingIndex">The index to start search at.</param>
/// <returns>Index of first occurence of <paramref name="pattern"/> in input
/// <paramref name="text"/>, or -1 if it is not found. If <paramref name="pattern"/>
/// is Empty, the return value is 0.</returns>
/// ------------------------------------------------------------------------------------
public static int IndexOf(byte[] text, string pattern, int startingIndex)
{
if (pattern == null || pattern.Length == 0)
{
return(0);
}
BoyerMooreBinarySearch search = new BoyerMooreBinarySearch(pattern);
return(search.IndexOf(text, 0));
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Processes the data entry.
/// </summary>
/// ------------------------------------------------------------------------------------
private void ProcessDataEntry()
{
int nVirtualAddress = m_reader.ReadInt32();
int nSize = m_reader.ReadInt32();
long nTypeLibAddress = m_BaseAddress + nVirtualAddress - m_SectionBase;
m_stream.Position = nTypeLibAddress;
object obj = m_TypeStack[0];
if (obj is string && ((string)obj) == "TYPELIB")
{
// HACK: I can't find the spec for TypeLib, so we just search for
// the typical string and zero out the date that follows, as well
// as a few additional bytes that seem to change
int nPos = BoyerMooreBinarySearch.IndexOf(m_reader.ReadBytes(nSize),
"Created by MIDL version");
if (nPos > 0)
{
// Overwrite time stamp that MIDL compiler generated:
// Created by MIDL version 6.00.0366 at Thu Jul 27 11:27:58 2006\n
m_stream.Position = nTypeLibAddress + nPos + 37;
byte[] buffer = new byte[32]; // Thu Jul 27 11:27:58 2006\n
m_writer.Write(buffer);
}
}
else if (obj is int)
{
int id = (int)obj;
if (id == 16) // Version Info
{
ProcessVersionInfo();
}
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Return all matches of the text in specified text using the Boyer-Moore algorithm
/// </summary>
/// <param name="text">The input text.</param>
/// <param name="pattern">The pattern to search.</param>
/// <param name="startingIndex">The index to start search at.</param>
/// <returns>Index of first occurence of <paramref name="pattern"/> in input
/// <paramref name="text"/>, or -1 if it is not found. If <paramref name="pattern"/>
/// is Empty, the return value is 0.</returns>
/// ------------------------------------------------------------------------------------
public static int IndexOf(byte[] text, string pattern, int startingIndex)
{
if (pattern == null || pattern.Length == 0)
return 0;
BoyerMooreBinarySearch search = new BoyerMooreBinarySearch(pattern);
return search.IndexOf(text, 0);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Return all matches of the text in specified text using the Boyer-Moore algorithm
/// </summary>
/// <param name="pattern">To pattern to search.</param>
/// <param name="text">The text to search.</param>
/// <returns>index of text matches</returns>
/// ------------------------------------------------------------------------------------
public static int IndexOf(byte[] text, string pattern)
{
return(BoyerMooreBinarySearch.IndexOf(text, pattern, 0));
}
