// Token: 0x060039B2 RID: 14770 RVA: 0x001059FC File Offset: 0x00103BFC
public static ITextRange Find(ITextPointer findContainerStartPosition, ITextPointer findContainerEndPosition, string findPattern, FindFlags flags, CultureInfo cultureInfo)
{
if (findContainerStartPosition == null || findContainerEndPosition == null || findContainerStartPosition.CompareTo(findContainerEndPosition) == 0 || findPattern == null || findPattern == string.Empty)
{
return(null);
}
bool matchCase = (flags & FindFlags.MatchCase) > FindFlags.None;
bool flag = (flags & FindFlags.FindWholeWordsOnly) > FindFlags.None;
bool matchLast = (flags & FindFlags.FindInReverse) > FindFlags.None;
bool matchDiacritics = (flags & FindFlags.MatchDiacritics) > FindFlags.None;
bool matchKashida = (flags & FindFlags.MatchKashida) > FindFlags.None;
bool matchAlefHamza = (flags & FindFlags.MatchAlefHamza) > FindFlags.None;
if (flag)
{
ushort[] array = new ushort[1];
ushort[] array2 = new ushort[1];
char[] array3 = findPattern.ToCharArray();
SafeNativeMethods.GetStringTypeEx(0U, 1U, new char[]
{
array3[0]
}, 1, array);
SafeNativeMethods.GetStringTypeEx(0U, 1U, new char[]
{
array3[findPattern.Length - 1]
}, 1, array2);
if ((array[0] & 8) != 0 || (array[0] & 64) != 0 || (array2[0] & 8) != 0 || (array2[0] & 64) != 0)
{
flag = false;
}
}
if (findContainerStartPosition is DocumentSequenceTextPointer || findContainerStartPosition is FixedTextPointer)
{
return(FixedFindEngine.Find(findContainerStartPosition, findContainerEndPosition, findPattern, cultureInfo, matchCase, flag, matchLast, matchDiacritics, matchKashida, matchAlefHamza));
}
return(TextFindEngine.InternalFind(findContainerStartPosition, findContainerEndPosition, findPattern, cultureInfo, matchCase, flag, matchLast, matchDiacritics, matchKashida, matchAlefHamza));
}
//---------------------------------------------------------------------
//
// Public methods
//
//---------------------------------------------------------------------
#region Public methods
/// <summary>
/// Performs find operation on of a given text range.
/// </summary>
/// <param name="findContainerStartPosition">Text position to start search.</param>
/// <param name="findContainerEndPosition">Text position to end search.</param>
/// <param name="findPattern">Pattern to find.</param>
/// <param name="flags">Find flags.</param>
/// <param name="cultureInfo">Culture specific information.</param>
/// <returns>TextRange for the result or <c>null</c></returns>
/// <remarks>
/// Very limited functionality for now
/// </remarks>
public static ITextRange Find(
ITextPointer findContainerStartPosition,
ITextPointer findContainerEndPosition,
string findPattern,
FindFlags flags,
CultureInfo cultureInfo)
{
// throw exceptions here
if (findContainerStartPosition == null ||
findContainerEndPosition == null ||
findContainerStartPosition.CompareTo(findContainerEndPosition) == 0 ||
findPattern == null ||
findPattern == string.Empty)
{
return(null);
}
TextRange findResult = null;
bool matchCase = (flags & FindFlags.MatchCase) != 0;
bool matchWholeWord = (flags & FindFlags.FindWholeWordsOnly) != 0;
bool matchLast = (flags & FindFlags.FindInReverse) != 0;
bool matchDiacritics = (flags & FindFlags.MatchDiacritics) != 0;
bool matchKashida = (flags & FindFlags.MatchKashida) != 0;
bool matchAlefHamza = (flags & FindFlags.MatchAlefHamza) != 0;
if (matchWholeWord)
{
UInt16[] findPatternStartCharType1 = new UInt16[1];
UInt16[] findPatternEndCharType1 = new UInt16[1];
char[] charFindPattern = findPattern.ToCharArray();
// Get the character type for the start/end character of the find pattern.
SafeNativeMethods.GetStringTypeEx(0 /* ignored */, SafeNativeMethods.CT_CTYPE1, new char[] { charFindPattern[0] }, 1, findPatternStartCharType1);
SafeNativeMethods.GetStringTypeEx(0 /* ignored */, SafeNativeMethods.CT_CTYPE1, new char[] { charFindPattern[findPattern.Length - 1] }, 1, findPatternEndCharType1);
// Reset the finding whole word flag if FindPattern includes the space
// or blank character at the start or end position.
if ((findPatternStartCharType1[0] & SafeNativeMethods.C1_SPACE) != 0 ||
(findPatternStartCharType1[0] & SafeNativeMethods.C1_BLANK) != 0 ||
(findPatternEndCharType1[0] & SafeNativeMethods.C1_SPACE) != 0 ||
(findPatternEndCharType1[0] & SafeNativeMethods.C1_BLANK) != 0)
{
matchWholeWord = false;
}
}
//If this we're searching on a Fixed layout, we need to do a faster search that takes into accout
//page-per-stream scenarios
if (findContainerStartPosition is DocumentSequenceTextPointer ||
findContainerStartPosition is FixedTextPointer)
{
return(FixedFindEngine.Find(findContainerStartPosition,
findContainerEndPosition,
findPattern,
cultureInfo,
matchCase,
matchWholeWord,
matchLast,
matchDiacritics,
matchKashida,
matchAlefHamza));
}
// Find the text with the specified option flags.
findResult = InternalFind(
findContainerStartPosition,
findContainerEndPosition,
findPattern,
cultureInfo,
matchCase,
matchWholeWord,
matchLast,
matchDiacritics,
matchKashida,
matchAlefHamza);
return(findResult);
}