| public static IsLetterDigitOrUnderscore ( char c ) : bool | ||
| c | char | |
| return | bool | |
private static bool IsWordPart(char ch)
{
if (TextUtilities.IsLetterDigitOrUnderscore(ch))
{
return(true);
}
return(ch == '.');
}
public static int FindWordStart(IDocument document, int offset)
{
int num = document.GetLineSegmentForOffset(offset).Offset;
while (offset > num && TextUtilities.IsLetterDigitOrUnderscore(document.GetCharAt(offset - 1)))
{
offset--;
}
return(offset);
}
public static int FindWordEnd(IDocument document, int offset)
{
LineSegment lineSegmentForOffset = document.GetLineSegmentForOffset(offset);
int num = lineSegmentForOffset.Offset + lineSegmentForOffset.Length;
while (offset < num && TextUtilities.IsLetterDigitOrUnderscore(document.GetCharAt(offset)))
{
offset++;
}
return(offset);
}
public static TextUtilities.CharacterType GetCharacterType(char c)
{
if (TextUtilities.IsLetterDigitOrUnderscore(c))
{
return(TextUtilities.CharacterType.LetterDigitOrUnderscore);
}
if (char.IsWhiteSpace(c))
{
return(TextUtilities.CharacterType.WhiteSpace);
}
return(TextUtilities.CharacterType.Other);
}
public static string GetExpressionBeforeOffset(TextArea textArea, int initialOffset)
{
IDocument document = textArea.Document;
int num = initialOffset;
while (num - 1 > 0)
{
char charAt = document.GetCharAt(num - 1);
if (charAt <= ')')
{
if (charAt > '\r')
{
if (charAt == '\"')
{
if (num < initialOffset - 1)
{
return(null);
}
return("\"\"");
}
switch (charAt)
{
case '\'':
{
if (num < initialOffset - 1)
{
return(null);
}
return("'a'");
}
case ')':
{
num = TextUtilities.SearchBracketBackward(document, num - 2, '(', ')');
continue;
}
}
}
else if (charAt == '\n' || charAt == '\r')
{
break;
}
}
else if (charAt <= '>')
{
if (charAt == '.')
{
num--;
continue;
}
else if (charAt == '>')
{
if (document.GetCharAt(num - 2) != '-')
{
break;
}
num -= 2;
continue;
}
}
else if (charAt == ']')
{
num = TextUtilities.SearchBracketBackward(document, num - 2, '[', ']');
continue;
}
else if (charAt == '}')
{
break;
}
if (!char.IsWhiteSpace(document.GetCharAt(num - 1)))
{
int num1 = num - 1;
if (TextUtilities.IsLetterDigitOrUnderscore(document.GetCharAt(num1)))
{
while (num1 > 0 && TextUtilities.IsLetterDigitOrUnderscore(document.GetCharAt(num1 - 1)))
{
num1--;
}
string str = document.GetText(num1, num - num1).Trim();
string str1 = str;
string str2 = str1;
if (str1 != null && (str2 == "ref" || str2 == "out" || str2 == "in" || str2 == "return" || str2 == "throw" || str2 == "case") || str.Length > 0 && !TextUtilities.IsLetterDigitOrUnderscore(str[0]))
{
break;
}
num = num1;
}
else
{
break;
}
}
else
{
num--;
}
}
if (num < 0)
{
return(string.Empty);
}
string str3 = document.GetText(num, textArea.Caret.Offset - num).Trim();
int num2 = str3.LastIndexOf('\n');
if (num2 >= 0)
{
num = num + num2 + 1;
}
string str4 = document.GetText(num, textArea.Caret.Offset - num).Trim();
return(str4);
}