private static void ExpandString(ref string Input, ref int Length, ref LigatureInfo[] InputLigatureInfo, byte[] LocaleSpecificLigatureTable, CompareInfo Comparer, CompareOptions Options, ref bool WidthChanged, bool UseFullWidth)
{
WidthChanged = false;
if (Length != 0)
{
int num = 0;
Input = Input.ToLower(CultureInfo.InvariantCulture);
int num5 = Length - 1;
for (int i = 0; i <= num5; i++)
{
char ch = Input[i];
if (CanCharExpand(ch, LocaleSpecificLigatureTable, Comparer, Options) != 0)
{
num++;
}
}
if (num > 0)
{
InputLigatureInfo = new LigatureInfo[((Length + num) - 1) + 1];
StringBuilder builder = new StringBuilder((Length + num) - 1);
int index = 0;
int num6 = Length - 1;
for (int j = 0; j <= num6; j++)
{
char ch2 = Input[j];
if (CanCharExpand(ch2, LocaleSpecificLigatureTable, Comparer, Options) != 0)
{
string str = GetCharExpansion(ch2, LocaleSpecificLigatureTable, Comparer, Options);
builder.Append(str);
InputLigatureInfo[index].Kind = CharKind.ExpandedChar1;
InputLigatureInfo[index].CharBeforeExpansion = ch2;
index++;
InputLigatureInfo[index].Kind = CharKind.ExpandedChar2;
InputLigatureInfo[index].CharBeforeExpansion = ch2;
}
else
{
builder.Append(ch2);
}
index++;
}
Input = builder.ToString();
Length = builder.Length;
}
}
}
private static void ExpandString(ref string Input, ref int Length, ref LigatureInfo[] InputLigatureInfo, byte[] LocaleSpecificLigatureTable, CompareInfo Comparer, CompareOptions Options, ref bool WidthChanged, bool UseFullWidth)
{
WidthChanged = false;
if (Length != 0)
{
int num;
CultureInfo cultureInfo = Utils.GetCultureInfo();
Encoding encoding = Encoding.GetEncoding(cultureInfo.TextInfo.ANSICodePage);
int dwMapFlags = 0x100;
bool flag = false;
if (!encoding.IsSingleByte)
{
dwMapFlags = 0x400100;
if (Strings.IsValidCodePage(0x3a4))
{
if (UseFullWidth)
{
dwMapFlags = 0xa00100;
}
else
{
dwMapFlags = 0x600100;
}
Input = Strings.vbLCMapString(cultureInfo, dwMapFlags, Input);
flag = true;
if (Input.Length != Length)
{
Length = Input.Length;
WidthChanged = true;
}
}
}
if (!flag)
{
Input = Strings.vbLCMapString(cultureInfo, dwMapFlags, Input);
}
int num6 = Length - 1;
for (int i = 0; i <= num6; i++)
{
char ch = Input[i];
if (CanCharExpand(ch, LocaleSpecificLigatureTable, Comparer, Options) != 0)
{
num++;
}
}
if (num > 0)
{
InputLigatureInfo = new LigatureInfo[((Length + num) - 1) + 1];
StringBuilder builder = new StringBuilder((Length + num) - 1);
int index = 0;
int num7 = Length - 1;
for (int j = 0; j <= num7; j++)
{
char ch2 = Input[j];
if (CanCharExpand(ch2, LocaleSpecificLigatureTable, Comparer, Options) != 0)
{
string str = GetCharExpansion(ch2, LocaleSpecificLigatureTable, Comparer, Options);
builder.Append(str);
InputLigatureInfo[index].Kind = CharKind.ExpandedChar1;
InputLigatureInfo[index].CharBeforeExpansion = ch2;
index++;
InputLigatureInfo[index].Kind = CharKind.ExpandedChar2;
InputLigatureInfo[index].CharBeforeExpansion = ch2;
}
else
{
builder.Append(ch2);
}
index++;
}
Input = builder.ToString();
Length = builder.Length;
}
}
}
private static bool MatchRangeAfterAsterisk(string Source, int SourceLength, ref int SourceIndex, LigatureInfo[] SourceLigatureInfo, string Pattern, LigatureInfo[] PatternLigatureInfo, PatternGroup PG, CompareInfo Comparer, CompareOptions Options)
{
List<Range> rangeList = PG.RangeList;
int leftEnd = SourceIndex;
bool flag = false;
foreach (Range range in rangeList)
{
int num4;
int num2 = 1;
if ((PatternLigatureInfo != null) && (PatternLigatureInfo[range.Start].Kind == CharKind.ExpandedChar1))
{
num4 = 0;
if (CompareChars(Source, SourceLength, SourceIndex, ref leftEnd, SourceLigatureInfo, Pattern, range.Start + range.StartLength, range.Start, ref num4, PatternLigatureInfo, Comparer, Options, true, false) == 0)
{
flag = true;
break;
}
}
num4 = 0;
int num3 = CompareChars(Source, SourceLength, SourceIndex, ref leftEnd, SourceLigatureInfo, Pattern, range.Start + range.StartLength, range.Start, ref num4, PatternLigatureInfo, Comparer, Options, false, true);
if ((num3 > 0) && (range.End >= 0))
{
num4 = 0;
num2 = CompareChars(Source, SourceLength, SourceIndex, ref leftEnd, SourceLigatureInfo, Pattern, range.End + range.EndLength, range.End, ref num4, PatternLigatureInfo, Comparer, Options, false, true);
}
if ((num3 == 0) || ((num3 > 0) && (num2 <= 0)))
{
flag = true;
break;
}
}
if (PG.PatType == PatternType.EXCLIST)
{
flag = !flag;
}
SourceIndex = leftEnd + 1;
return flag;
}
private static void MatchRange(string Source, int SourceLength, ref int SourceIndex, LigatureInfo[] SourceLigatureInfo, string Pattern, int PatternLength, ref int PatternIndex, LigatureInfo[] PatternLigatureInfo, ref bool RangePatternEmpty, ref bool Mismatch, ref bool PatternError, CompareInfo Comparer, CompareOptions Options, ref bool SeenNot = false, List<Range> RangeList = null, bool ValidatePatternWithoutMatching = false)
{
Range range;
string str2;
int num2;
int num3;
int num5;
RangePatternEmpty = false;
Mismatch = false;
PatternError = false;
SeenNot = false;
PatternIndex++;
if (PatternIndex >= PatternLength)
{
PatternError = true;
return;
}
char ch = Pattern[PatternIndex];
switch (ch)
{
case '!':
case 0xff01:
SeenNot = true;
PatternIndex++;
if (PatternIndex >= PatternLength)
{
Mismatch = true;
return;
}
ch = Pattern[PatternIndex];
break;
}
if ((ch == ']') || (ch == 0xff3d))
{
if (SeenNot)
{
SeenNot = false;
if (!ValidatePatternWithoutMatching)
{
Mismatch = CompareChars(Source[SourceIndex], '!', Comparer, Options) != 0;
}
if (RangeList != null)
{
range.Start = PatternIndex - 1;
range.StartLength = 1;
range.End = -1;
range.EndLength = 0;
RangeList.Add(range);
}
return;
}
RangePatternEmpty = true;
return;
}
Label_00CE:
str2 = null;
string right = null;
if ((ch == ']') || (ch == 0xff3d))
{
Mismatch = !SeenNot;
return;
}
if ((!ValidatePatternWithoutMatching && (PatternLigatureInfo != null)) && (PatternLigatureInfo[PatternIndex].Kind == CharKind.ExpandedChar1))
{
if (CompareChars(Source, SourceLength, SourceIndex, ref num3, SourceLigatureInfo, Pattern, PatternLength, PatternIndex, ref num2, PatternLigatureInfo, Comparer, Options, true, false) != 0)
{
goto Label_0145;
}
SourceIndex = num3;
PatternIndex = num2;
goto Label_037F;
}
num2 = PatternIndex;
SkipToEndOfExpandedChar(PatternLigatureInfo, PatternLength, ref num2);
Label_0145:
range.Start = PatternIndex;
range.StartLength = (num2 - PatternIndex) + 1;
if (Options == CompareOptions.Ordinal)
{
str2 = Conversions.ToString(Pattern[PatternIndex]);
}
else if ((PatternLigatureInfo != null) && (PatternLigatureInfo[PatternIndex].Kind == CharKind.ExpandedChar1))
{
str2 = Conversions.ToString(PatternLigatureInfo[PatternIndex].CharBeforeExpansion);
PatternIndex = num2;
}
else
{
str2 = Pattern.Substring(PatternIndex, (num2 - PatternIndex) + 1);
PatternIndex = num2;
}
if ((((num2 + 2) >= PatternLength) || ((Pattern[num2 + 1] != '-') && (Pattern[num2 + 1] != 0xff0d))) || ((Pattern[num2 + 2] == ']') || (Pattern[num2 + 2] == 0xff3d)))
{
if (!ValidatePatternWithoutMatching)
{
num5 = 0;
if (CompareChars(Source, SourceLength, SourceIndex, ref num3, SourceLigatureInfo, Pattern, range.Start + range.StartLength, range.Start, ref num5, PatternLigatureInfo, Comparer, Options, false, true) == 0)
{
goto Label_037F;
}
}
range.End = -1;
range.EndLength = 0;
goto Label_0409;
}
PatternIndex += 2;
if ((!ValidatePatternWithoutMatching && (PatternLigatureInfo != null)) && (PatternLigatureInfo[PatternIndex].Kind == CharKind.ExpandedChar1))
{
if (CompareChars(Source, SourceLength, SourceIndex, ref num3, SourceLigatureInfo, Pattern, PatternLength, PatternIndex, ref num2, PatternLigatureInfo, Comparer, Options, true, false) != 0)
{
goto Label_0279;
}
PatternIndex = num2;
goto Label_037F;
}
num2 = PatternIndex;
SkipToEndOfExpandedChar(PatternLigatureInfo, PatternLength, ref num2);
Label_0279:
range.End = PatternIndex;
range.EndLength = (num2 - PatternIndex) + 1;
if (Options == CompareOptions.Ordinal)
{
right = Conversions.ToString(Pattern[PatternIndex]);
}
else if ((PatternLigatureInfo != null) && (PatternLigatureInfo[PatternIndex].Kind == CharKind.ExpandedChar1))
{
right = Conversions.ToString(PatternLigatureInfo[PatternIndex].CharBeforeExpansion);
PatternIndex = num2;
}
else
{
right = Pattern.Substring(PatternIndex, (num2 - PatternIndex) + 1);
PatternIndex = num2;
}
if (CompareChars(str2, right, Comparer, Options) > 0)
{
PatternError = true;
return;
}
if (ValidatePatternWithoutMatching)
{
goto Label_0409;
}
int rightEnd = 0;
if (CompareChars(Source, SourceLength, SourceIndex, ref num3, SourceLigatureInfo, Pattern, range.Start + range.StartLength, range.Start, ref rightEnd, PatternLigatureInfo, Comparer, Options, false, true) < 0)
{
goto Label_0409;
}
num5 = 0;
if (CompareChars(Source, SourceLength, SourceIndex, ref num3, SourceLigatureInfo, Pattern, range.End + range.EndLength, range.End, ref num5, PatternLigatureInfo, Comparer, Options, false, true) > 0)
{
goto Label_0409;
}
Label_037F:
if (SeenNot)
{
Mismatch = true;
return;
}
do
{
PatternIndex++;
if (PatternIndex >= PatternLength)
{
PatternError = true;
return;
}
}
while ((Pattern[PatternIndex] != ']') && (Pattern[PatternIndex] != 0xff3d));
SourceIndex = num3;
return;
Label_0409:
if (RangeList != null)
{
RangeList.Add(range);
}
PatternIndex++;
if (PatternIndex >= PatternLength)
{
PatternError = true;
}
else
{
ch = Pattern[PatternIndex];
goto Label_00CE;
}
}
private static void MatchAsterisk(string Source, int SourceLength, int SourceIndex, LigatureInfo[] SourceLigatureInfo, string Pattern, LigatureInfo[] PatternLigatureInfo, PatternGroup[] PatternGroups, int PGIndex, ref bool Mismatch, ref bool PatternError, CompareInfo Comparer, CompareOptions Options)
{
PatternGroup group;
int index = PGIndex;
int maxSourceIndex = SourceIndex;
int num3 = -1;
int num2 = -1;
PatternGroups[PGIndex].MinSourceIndex = SourceIndex;
PatternGroups[PGIndex].StartIndexOfPossibleMatch = SourceIndex;
PGIndex++;
Label_002D:
group = PatternGroups[PGIndex];
switch (group.PatType)
{
case PatternType.STRING:
{
Label_006A:
if (SourceIndex > group.MaxSourceIndex)
{
Mismatch = true;
return;
}
PatternGroups[PGIndex].StartIndexOfPossibleMatch = SourceIndex;
int stringPatternStart = group.StringPatternStart;
int num6 = 0;
int leftStart = SourceIndex;
bool flag = true;
do
{
int num8 = CompareChars(Source, SourceLength, leftStart, ref leftStart, SourceLigatureInfo, Pattern, group.StringPatternEnd + 1, stringPatternStart, ref stringPatternStart, PatternLigatureInfo, Comparer, Options, false, false);
if (flag)
{
flag = false;
num6 = leftStart + 1;
}
if (num8 != 0)
{
SourceIndex = num6;
index = PGIndex - 1;
maxSourceIndex = SourceIndex;
goto Label_006A;
}
stringPatternStart++;
leftStart++;
if (stringPatternStart > group.StringPatternEnd)
{
SourceIndex = leftStart;
goto Label_02F4;
}
}
while (leftStart < SourceLength);
Mismatch = true;
return;
}
case PatternType.EXCLIST:
case PatternType.INCLIST:
{
while (true)
{
if (SourceIndex > group.MaxSourceIndex)
{
Mismatch = true;
return;
}
PatternGroups[PGIndex].StartIndexOfPossibleMatch = SourceIndex;
if (MatchRangeAfterAsterisk(Source, SourceLength, ref SourceIndex, SourceLigatureInfo, Pattern, PatternLigatureInfo, group, Comparer, Options))
{
goto Label_02F4;
}
index = PGIndex - 1;
maxSourceIndex = SourceIndex;
}
}
case PatternType.DIGIT:
{
Label_010A:
if (SourceIndex > group.MaxSourceIndex)
{
Mismatch = true;
return;
}
PatternGroups[PGIndex].StartIndexOfPossibleMatch = SourceIndex;
int num11 = group.CharCount;
for (int j = 1; j <= num11; j++)
{
char c = Source[SourceIndex];
SourceIndex++;
if (!char.IsDigit(c))
{
index = PGIndex - 1;
maxSourceIndex = SourceIndex;
goto Label_010A;
}
}
goto Label_02F4;
}
case PatternType.ANYCHAR:
if (SourceIndex <= group.MaxSourceIndex)
{
break;
}
Mismatch = true;
return;
case PatternType.STAR:
PatternGroups[PGIndex].StartIndexOfPossibleMatch = SourceIndex;
group.MinSourceIndex = SourceIndex;
if (PatternGroups[index].PatType == PatternType.STAR)
{
goto Label_02E9;
}
if (SourceIndex <= group.MaxSourceIndex)
{
goto Label_0285;
}
Mismatch = true;
return;
case PatternType.NONE:
PatternGroups[PGIndex].StartIndexOfPossibleMatch = group.MaxSourceIndex;
if (SourceIndex < group.MaxSourceIndex)
{
index = PGIndex - 1;
maxSourceIndex = group.MaxSourceIndex;
}
if ((PatternGroups[index].PatType == PatternType.STAR) || (PatternGroups[index].PatType == PatternType.NONE))
{
return;
}
goto Label_0285;
default:
goto Label_02F4;
}
PatternGroups[PGIndex].StartIndexOfPossibleMatch = SourceIndex;
int charCount = group.CharCount;
for (int i = 1; i <= charCount; i++)
{
if (SourceIndex >= SourceLength)
{
Mismatch = true;
return;
}
SkipToEndOfExpandedChar(SourceLigatureInfo, SourceLength, ref SourceIndex);
SourceIndex++;
}
goto Label_02F4;
Label_0285:
num3 = PGIndex;
SourceIndex = maxSourceIndex;
PGIndex = index;
do
{
SubtractChars(Source, SourceLength, ref SourceIndex, PatternGroups[PGIndex].CharCount, SourceLigatureInfo, Options);
PGIndex--;
}
while (PatternGroups[PGIndex].PatType != PatternType.STAR);
SourceIndex = Math.Max(SourceIndex, PatternGroups[PGIndex].MinSourceIndex + 1);
PatternGroups[PGIndex].MinSourceIndex = SourceIndex;
num2 = PGIndex;
Label_02E9:
PGIndex++;
goto Label_002D;
Label_02F4:
if (PGIndex == index)
{
if (SourceIndex == maxSourceIndex)
{
SourceIndex = PatternGroups[num3].MinSourceIndex;
PGIndex = num3;
index = num3;
}
else if (SourceIndex < maxSourceIndex)
{
PatternGroup[] groupArray = PatternGroups;
int num13 = num2;
groupArray[num13].MinSourceIndex++;
SourceIndex = PatternGroups[num2].MinSourceIndex;
PGIndex = num2 + 1;
}
else
{
PGIndex++;
index = num2;
}
}
else
{
PGIndex++;
}
goto Label_002D;
}
private static void MatchAsterisk(string Source, int SourceLength, int SourceIndex, LigatureInfo[] SourceLigatureInfo, string Pattern, int PatternLength, int PatternIndex, LigatureInfo[] PattternLigatureInfo, ref bool Mismatch, ref bool PatternError, CompareInfo Comparer, CompareOptions Options)
{
Mismatch = false;
PatternError = false;
if (PatternIndex < PatternLength)
{
int num2;
PatternGroup[] patternGroups = null;
BuildPatternGroups(Source, SourceLength, ref SourceIndex, SourceLigatureInfo, Pattern, PatternLength, ref PatternIndex, PattternLigatureInfo, ref PatternError, ref num2, Comparer, Options, ref patternGroups);
if (!PatternError)
{
if (patternGroups[num2 + 1].PatType != PatternType.NONE)
{
int num4;
int num5 = SourceIndex;
int index = num2 + 1;
do
{
num4 += patternGroups[index].CharCount;
index++;
}
while (patternGroups[index].PatType != PatternType.NONE);
SourceIndex = SourceLength;
SubtractChars(Source, SourceLength, ref SourceIndex, num4, SourceLigatureInfo, Options);
MatchAsterisk(Source, SourceLength, SourceIndex, SourceLigatureInfo, Pattern, PattternLigatureInfo, patternGroups, num2, ref Mismatch, ref PatternError, Comparer, Options);
if (PatternError)
{
return;
}
if (Mismatch)
{
return;
}
SourceLength = patternGroups[num2 + 1].StartIndexOfPossibleMatch;
if (SourceLength <= 0)
{
return;
}
patternGroups[index].MaxSourceIndex = SourceLength;
patternGroups[index].MinSourceIndex = SourceLength;
patternGroups[index].StartIndexOfPossibleMatch = 0;
patternGroups[num2 + 1] = patternGroups[index];
patternGroups[num2].MinSourceIndex = 0;
patternGroups[num2].StartIndexOfPossibleMatch = 0;
index = num2 + 1;
int num3 = SourceLength;
while (index > 0)
{
switch (patternGroups[index].PatType)
{
case PatternType.STRING:
num3 -= patternGroups[index].CharCount;
break;
case PatternType.EXCLIST:
case PatternType.INCLIST:
num3--;
break;
case PatternType.DIGIT:
case PatternType.ANYCHAR:
num3 -= patternGroups[index].CharCount;
break;
}
patternGroups[index].MaxSourceIndex = num3;
index--;
}
SourceIndex = num5;
}
MatchAsterisk(Source, SourceLength, SourceIndex, SourceLigatureInfo, Pattern, PattternLigatureInfo, patternGroups, 0, ref Mismatch, ref PatternError, Comparer, Options);
}
}
}
private static void BuildPatternGroups(string Source, int SourceLength, ref int SourceIndex, LigatureInfo[] SourceLigatureInfo, string Pattern, int PatternLength, ref int PatternIndex, LigatureInfo[] PatternLigatureInfo, ref bool PatternError, ref int PGIndexForLastAsterisk, CompareInfo Comparer, CompareOptions Options, ref PatternGroup[] PatternGroups)
{
PatternError = false;
PGIndexForLastAsterisk = 0;
PatternGroups = new PatternGroup[0x10];
int num3 = 15;
PatternType nONE = PatternType.NONE;
int index = 0;
do
{
PatternGroup[] groupArray2;
int num6;
if (index >= num3)
{
PatternGroup[] array = new PatternGroup[(num3 + 0x10) + 1];
PatternGroups.CopyTo(array, 0);
PatternGroups = array;
num3 += 0x10;
}
switch (Pattern[PatternIndex])
{
case '*':
case 0xff0a:
if (nONE != PatternType.STAR)
{
nONE = PatternType.STAR;
PatternGroups[index].PatType = PatternType.STAR;
PGIndexForLastAsterisk = index;
index++;
}
break;
case '[':
case 0xff3b:
{
bool seenNot = false;
List<Range> rangeList = new List<Range>();
if (!ValidateRangePattern(Pattern, PatternLength, ref PatternIndex, PatternLigatureInfo, Comparer, Options, ref seenNot, ref rangeList))
{
PatternError = true;
return;
}
if (rangeList.Count != 0)
{
if (seenNot)
{
nONE = PatternType.EXCLIST;
}
else
{
nONE = PatternType.INCLIST;
}
PatternGroups[index].PatType = nONE;
PatternGroups[index].CharCount = 1;
PatternGroups[index].RangeList = rangeList;
index++;
}
break;
}
case '#':
case 0xff03:
if (nONE == PatternType.DIGIT)
{
groupArray2 = PatternGroups;
num6 = index - 1;
groupArray2[num6].CharCount++;
}
else
{
PatternGroups[index].PatType = PatternType.DIGIT;
PatternGroups[index].CharCount = 1;
index++;
nONE = PatternType.DIGIT;
}
break;
case '?':
case 0xff1f:
if (nONE == PatternType.ANYCHAR)
{
groupArray2 = PatternGroups;
num6 = index - 1;
groupArray2[num6].CharCount++;
}
else
{
PatternGroups[index].PatType = PatternType.ANYCHAR;
PatternGroups[index].CharCount = 1;
index++;
nONE = PatternType.ANYCHAR;
}
break;
default:
{
int num5 = PatternIndex;
int num4 = PatternIndex;
if (num4 >= PatternLength)
{
num4 = PatternLength - 1;
}
if (nONE == PatternType.STRING)
{
groupArray2 = PatternGroups;
num6 = index - 1;
groupArray2[num6].CharCount++;
PatternGroups[index - 1].StringPatternEnd = num4;
}
else
{
PatternGroups[index].PatType = PatternType.STRING;
PatternGroups[index].CharCount = 1;
PatternGroups[index].StringPatternStart = num5;
PatternGroups[index].StringPatternEnd = num4;
index++;
nONE = PatternType.STRING;
}
break;
}
}
PatternIndex++;
}
while (PatternIndex < PatternLength);
PatternGroups[index].PatType = PatternType.NONE;
PatternGroups[index].MinSourceIndex = SourceLength;
int num = SourceLength;
while (index > 0)
{
switch (PatternGroups[index].PatType)
{
case PatternType.STRING:
num -= PatternGroups[index].CharCount;
break;
case PatternType.EXCLIST:
case PatternType.INCLIST:
num--;
break;
case PatternType.DIGIT:
case PatternType.ANYCHAR:
num -= PatternGroups[index].CharCount;
break;
}
PatternGroups[index].MaxSourceIndex = num;
index--;
}
}
private static void ExpandString(ref string Input, ref int Length, ref LigatureInfo[] InputLigatureInfo, byte[] LocaleSpecificLigatureTable, CompareInfo Comparer, CompareOptions Options, ref bool WidthChanged, bool UseFullWidth)
{
WidthChanged = false;
if (Length != 0)
{
int num;
CultureInfo cultureInfo = Utils.GetCultureInfo();
Encoding encoding = Encoding.GetEncoding(cultureInfo.TextInfo.ANSICodePage);
int dwMapFlags = 0x100;
bool flag = false;
if (!encoding.IsSingleByte)
{
dwMapFlags = 0x400100;
if (Strings.IsValidCodePage(0x3a4))
{
if (UseFullWidth)
{
dwMapFlags = 0xa00100;
}
else
{
dwMapFlags = 0x600100;
}
Input = Strings.vbLCMapString(cultureInfo, dwMapFlags, Input);
flag = true;
if (Input.Length != Length)
{
Length = Input.Length;
WidthChanged = true;
}
}
}
if (!flag)
{
Input = Strings.vbLCMapString(cultureInfo, dwMapFlags, Input);
}
int num6 = Length - 1;
for (int i = 0; i <= num6; i++)
{
char ch = Input[i];
if (CanCharExpand(ch, LocaleSpecificLigatureTable, Comparer, Options) != 0)
{
num++;
}
}
if (num > 0)
{
InputLigatureInfo = new LigatureInfo[((Length + num) - 1) + 1];
StringBuilder builder = new StringBuilder((Length + num) - 1);
int index = 0;
int num7 = Length - 1;
for (int j = 0; j <= num7; j++)
{
char ch2 = Input[j];
if (CanCharExpand(ch2, LocaleSpecificLigatureTable, Comparer, Options) != 0)
{
string str = GetCharExpansion(ch2, LocaleSpecificLigatureTable, Comparer, Options);
builder.Append(str);
InputLigatureInfo[index].Kind = CharKind.ExpandedChar1;
InputLigatureInfo[index].CharBeforeExpansion = ch2;
index++;
InputLigatureInfo[index].Kind = CharKind.ExpandedChar2;
InputLigatureInfo[index].CharBeforeExpansion = ch2;
}
else
{
builder.Append(ch2);
}
index++;
}
Input = builder.ToString();
Length = builder.Length;
}
}
}
private static int CompareChars(string Left, int LeftLength, int LeftStart, ref int LeftEnd, LigatureInfo[] LeftLigatureInfo, string Right, int RightLength, int RightStart, ref int RightEnd, LigatureInfo[] RightLigatureInfo, CompareInfo Comparer, CompareOptions Options, bool MatchBothCharsOfExpandedCharInRight = false, bool UseUnexpandedCharForRight = false)
{
LeftEnd = LeftStart;
RightEnd = RightStart;
if (Options == CompareOptions.Ordinal)
{
return (Left[LeftStart] - Right[RightStart]);
}
if (UseUnexpandedCharForRight)
{
if ((RightLigatureInfo != null) && (RightLigatureInfo[RightEnd].Kind == CharKind.ExpandedChar1))
{
Right = Right.Substring(RightStart, RightEnd - RightStart);
Right = Right + Conversions.ToString(RightLigatureInfo[RightEnd].CharBeforeExpansion);
RightEnd++;
return CompareChars(Left.Substring(LeftStart, (LeftEnd - LeftStart) + 1), Right, Comparer, Options);
}
}
else if (MatchBothCharsOfExpandedCharInRight)
{
int num2 = RightEnd;
SkipToEndOfExpandedChar(RightLigatureInfo, RightLength, ref RightEnd);
if (num2 < RightEnd)
{
int num4 = 0;
if ((LeftEnd + 1) < LeftLength)
{
num4 = 1;
}
int num3 = CompareChars(Left.Substring(LeftStart, ((LeftEnd - LeftStart) + 1) + num4), Right.Substring(RightStart, (RightEnd - RightStart) + 1), Comparer, Options);
if (num3 == 0)
{
LeftEnd += num4;
}
return num3;
}
}
if ((LeftEnd == LeftStart) && (RightEnd == RightStart))
{
return Comparer.Compare(Conversions.ToString(Left[LeftStart]), Conversions.ToString(Right[RightStart]), Options);
}
return CompareChars(Left.Substring(LeftStart, (LeftEnd - LeftStart) + 1), Right.Substring(RightStart, (RightEnd - RightStart) + 1), Comparer, Options);
}
private static bool ValidateRangePattern(string Pattern, int PatternLength, ref int PatternIndex, LigatureInfo[] PatternLigatureInfo, CompareInfo Comparer, CompareOptions Options, ref bool SeenNot, ref List<Range> RangeList)
{
bool flag;
int sourceIndex = -1;
bool rangePatternEmpty = false;
bool mismatch = false;
MatchRange(null, -1, ref sourceIndex, null, Pattern, PatternLength, ref PatternIndex, PatternLigatureInfo, ref rangePatternEmpty, ref mismatch, ref flag, Comparer, Options, ref SeenNot, RangeList, true);
return !flag;
}
private static void SubtractOneCharInTextCompareMode(string Input, int InputLength, ref int Current, LigatureInfo[] InputLigatureInfo, CompareOptions Options)
{
if (Current >= InputLength)
{
Current--;
}
else if ((InputLigatureInfo != null) && (InputLigatureInfo[Current].Kind == CharKind.ExpandedChar2))
{
Current -= 2;
}
else
{
Current--;
}
}
private static void SubtractChars(string Input, int InputLength, ref int Current, int CharsToSubtract, LigatureInfo[] InputLigatureInfo, CompareOptions Options)
{
if (Options == CompareOptions.Ordinal)
{
Current -= CharsToSubtract;
if (Current < 0)
{
Current = 0;
}
}
else
{
int num2 = CharsToSubtract;
for (int i = 1; i <= num2; i++)
{
SubtractOneCharInTextCompareMode(Input, InputLength, ref Current, InputLigatureInfo, Options);
if (Current < 0)
{
Current = 0;
break;
}
}
}
}
private static void SkipToEndOfExpandedChar(LigatureInfo[] InputLigatureInfo, int Length, ref int Current)
{
if (((InputLigatureInfo != null) && (Current < Length)) && (InputLigatureInfo[Current].Kind == CharKind.ExpandedChar1))
{
Current++;
}
}