private static bool lookupGeneric(ReformatOptions options, string txt, ref int index)
{
int i = index;
int n = txt.Length;
char c = '<', prev = ' ';
int sub = 0, psub = 0;
while (i < n)
{
prev = c;
c = txt[i++];
if (Char.IsLetterOrDigit(c) || c == '.' || c == ' ')
{
continue;
}
if (c == '<')
{
sub++;
}
else if (c == '>' && (!options.IsHaXe || prev != '-'))
{
sub--;
if (sub < 0)
{
index = i;
return(true);
}
}
else if (options.IsHaXe && c == '{')
{
psub++;
}
else if (psub > 0)
{
if (c == '}')
{
psub--;
}
continue;
}
else
{
break;
}
}
return(false);
}
/// <summary>
/// Adjust whitespace according to options
/// </summary>
/// <param name="txt">Original text</param>
/// <param name="options">Formatting options</param>
/// <param name="offset">Cursor position in line</param>
/// <returns></returns>
public static string ReformatLine(string txt, ReformatOptions options, ref int offset)
{
StringBuilder sb = new StringBuilder(txt.Length);
int i = 0;
int n = txt.Length;
char c = ' ';
char c2 = ' ';
// copy indentation
while (i < n && txt[i] <= 32)
{
sb.Append(txt[i++]);
}
string indentation = sb.ToString();
// first char
if (i < n && txt[i] != '/' && txt[i] != '"' && txt[i] != '\'' && txt[i] != '<' && txt[i] != ']' && txt[i] != '?')
{
c = c2 = txt[i++];
sb.Append(c);
if (options.SpacedChars.IndexOf(c) >= 0)
{
while (i < n && options.SpacedChars.IndexOf(txt[i]) >= 0)
{
sb.Append(txt[i++]);
}
}
}
// reformat line
bool fixedOffset = (i > offset);
bool needSpace = false;
int inString = 0;
bool inComments = false;
while (i < n)
{
if (!fixedOffset && i == offset - 1)
{
fixedOffset = true;
offset = sb.Length + 1;
}
c = txt[i++];
if (c == '\r')
{
sb.Append(c);
break;
}
// skip string literals
if (c == '\\')
{
sb.Append(c);
if (i < n)
{
c = txt[i++];
sb.Append(c);
}
continue;
}
switch (inString)
{
case 0:
if (c == '"')
{
inString = 1;
}
else if (c == '\'')
{
inString = 2;
}
break;
case 1:
sb.Append(c);
if (c == '"')
{
inString = 0;
}
c2 = c;
continue;
case 2:
sb.Append(c);
if (c == '\'')
{
inString = 0;
}
c2 = c;
continue;
}
// comments
if (inComments)
{
sb.Append(c);
if (i < n && c == '*' && txt[i] == '/')
{
i++;
sb.Append('/');
c2 = ' ';
inComments = false;
}
continue;
}
else if (i < n && c == '/' && (txt[i] == '*' || txt[i] == '/'))
{
if (txt[i] == '/')
{
sb.Append(txt.Substring(i - 1));
break;
}
else if (txt[i] == '*')
{
inComments = true;
sb.Append(c);
continue;
}
}
// generic type
if (c == '<' && (c2 == '.' || (options.IsHaXe && (Char.IsLetterOrDigit(c2) || c2 == '{'))))
{
int i2 = i;
if (lookupGeneric(options, txt, ref i))
{
sb.Append(c).Append(txt.Substring(i2, i - i2));
c2 = '$';
needSpace = false;
continue;
}
}
// litteral XML
if (c == '<')
{
int i2 = i;
if (lookupXML(txt, ref i))
{
sb.Append(c).Append(txt.Substring(i2, i - i2));
c2 = '$';
needSpace = false;
continue;
}
}
else if ((c == ']' && i < n - 1 && txt[i] == ']' && txt[i + 1] == '>') ||
(c == '-' && i < n - 1 && txt[i] == '-' && txt[i + 1] == '>'))
{
sb.Append(c).Append(txt.Substring(i, 2));
i += 2;
c2 = ' ';
needSpace = false;
continue;
}
else if (c == '?' && i < n - 1 && txt[i] == '>')
{
sb.Append(c).Append(txt[i]);
i++;
c2 = ' ';
needSpace = false;
continue;
}
// litteral Regexp
else if (c == '/')
{
int i2 = i;
if (lookupRegex(txt, ref i))
{
sb.Append('/').Append(txt.Substring(i2, i - i2));
c2 = ' ';
needSpace = false;
continue;
}
}
// is a white space needed?
if (options.CompactChars.IndexOf(c) >= 0)
{
if (c2 == '}' && (c == ';' || c == ','))
{
needSpace = false;
}
else if (options.SpaceBeforeFunctionCall && Char.IsLetterOrDigit(c2) && c == '(')
{
needSpace = true;
}
else
{
string word = GetLastWord(sb, options.WordCharacters);
if (word.Length > 0)
{
foreach (string token in options.AddSpaceAfter)
{
if (token == word)
{
needSpace = true;
break;
}
}
}
}
}
else if (options.SpacedChars.IndexOf(c) >= 0)
{
if (c == '*')
{
if (c2 == '.' || c2 == ':') // import wildchar or any type
{
needSpace = false;
sb.Append('*');
c2 = ' ';
continue;
}
else
{
needSpace = true;
}
}
else if (i < n && (c == '+' || c == '-') && txt[i] == c) // unary operators
{
sb.Append(c).Append(c);
c2 = c;
needSpace = false;
i++;
continue;
}
else if (i > 0 && c == '-' && (c2 == 'e' || c2 == 'E'))
{
needSpace = false;
sb.Append(c);
c2 = ' ';
continue;
}
else
{
needSpace = (c != '!' || (c2 != '(' && c2 != '['));
}
if (i < n && c == '-' && txt[i] == '>') // php dot operator, haxe function
{
sb.Append(c).Append(txt[i]);
c2 = ' ';
needSpace = false;
i++;
continue;
}
else if (i < n && c2 == '.' && c == '=') // php concat operator
{
needSpace = false;
}
else if (i < n && c2 == '=' && c == '>') // php array(key => value)
{
needSpace = false;
}
if (options.BraceAfterLine && c == '{')
{
string start = txt.Substring(0, i - 1).Trim();
char prevC = start[start.Length - 1];
string end = txt.Substring(i).Trim();
if (end.Length == 0)
{
if (Char.IsLetterOrDigit(prevC) || prevC == ')')
{
sb.Append(options.Newline).Append(indentation).Append('{');
needSpace = false;
continue;
}
}
}
}
// adding whitespace
if (c != ' ' && c != '\t')
{
if (needSpace && c != '\r' && c != '\n')
{
if (c2 != ' ')
{
sb.Append(' ');
}
needSpace = false;
}
sb.Append(c);
if (options.SpacedChars.IndexOf(c) >= 0)
{
if ((c == '-' || c == '+') && (i >= n || options.Operators.IndexOf(txt[i]) < 0)) // unary sign
{
needSpace = (c2 == ')' || c2 == ']' || c2 == '\'' || c2 == '"' || Char.IsLetterOrDigit(c2));
}
else if (c != '!' || (i < n && options.Operators.IndexOf(txt[i]) >= 0)) // operator
{
while (i < n && (txt[i] == '=' || txt[i] == c))
{
c = txt[i];
sb.Append(txt[i++]);
}
needSpace = true;
}
}
if (c == ')' && i < n && Char.IsLetter(txt[i]))
{
sb.Append(' ');
}
c2 = c;
}
else
{
if (options.CondenseWhitespace)
{
needSpace = true;
}
else
{
sb.Append(c);
c2 = ' ';
needSpace = false;
}
}
}
if (!fixedOffset)
{
offset = sb.Length;
}
return(sb.ToString());
}
private static bool lookupGeneric(ReformatOptions options, string txt, ref int index)
{
int i = index;
int n = txt.Length;
char c = '<', prev = ' ';
int sub = 0, psub = 0, bsub = 0;
while (i < n)
{
if (c != ' ')
{
prev = c;
}
c = txt[i++];
if (Char.IsLetterOrDigit(c) || c == '.' || c == ' ' || c == ',' || c == ':')
{
continue;
}
if (c == '<')
{
sub++;
}
else if (c == '>')
{
sub--;
if (sub < 0)
{
index = i;
return(true);
}
}
else if (options.IsHaXe && c == '{')
{
psub++;
}
else if (psub > 0)
{
if (c == '}')
{
psub--;
}
continue;
}
else if (c == '(' && prev == ':')
{
bsub++;
}
else if (bsub > 0)
{
if (c == ')')
{
bsub--;
}
continue;
}
// haxe function notation (Type->Type)
else if (options.IsHaXe && c == '-' && (i < n && txt[i] == '>'))
{
sub++;
continue;
}
else
{
break;
}
}
return(false);
}
private static bool lookupGeneric(ReformatOptions options, string txt, ref int index)
{
int i = index;
int n = txt.Length;
char c = '<', prev = ' ';
int sub = 0, psub = 0, bsub = 0;
while (i < n)
{
if (c != ' ') prev = c;
c = txt[i++];
if (Char.IsLetterOrDigit(c) || c == '.' || c == ' ' || c == ',' || c == ':') continue;
if (c == '<') sub++;
else if (c == '>')
{
sub--;
if (sub < 0)
{
index = i;
return true;
}
}
else if (options.IsHaXe && c == '{')
psub++;
else if (psub > 0)
{
if (c == '}') psub--;
continue;
}
else if (c == '(' && prev == ':')
bsub++;
else if (bsub > 0)
{
if (c == ')') bsub--;
continue;
}
// haxe function notation (Type->Type)
else if (options.IsHaXe && c == '-' && (i < n && txt[i] == '>'))
{
sub++;
continue;
}
else break;
}
return false;
}
/// <summary>
/// Adjust whitespace according to options
/// </summary>
/// <param name="txt">Original text</param>
/// <param name="options">Formatting options</param>
/// <param name="offset">Cursor position in line</param>
/// <returns></returns>
public static string ReformatLine(string txt, ReformatOptions options, ref int offset)
{
StringBuilder sb = new StringBuilder(txt.Length);
int i = 0;
int n = txt.Length;
char c = ' ';
char c2 = ' ';
// copy indentation
while (i < n && txt[i] <= 32) sb.Append(txt[i++]);
string indentation = sb.ToString();
// first char
if (i < n && txt[i] != '/' && txt[i] != '"' && txt[i] != '\'' && txt[i] != '<' && txt[i] != ']' && txt[i] != '?')
{
c = c2 = txt[i++];
sb.Append(c);
if (options.SpacedChars.IndexOf(c) >= 0)
while (i < n && options.SpacedChars.IndexOf(txt[i]) >= 0) sb.Append(txt[i++]);
}
// reformat line
bool fixedOffset = (i > offset);
bool needSpace = false;
int inString = 0;
bool inComments = false;
while (i < n)
{
if (!fixedOffset && i == offset - 1)
{
fixedOffset = true;
offset = sb.Length + 1;
}
c = txt[i++];
if (c == '\r')
{
sb.Append(c);
break;
}
// skip string literals
if (c == '\\')
{
sb.Append(c);
if (i < n)
{
c = txt[i++];
sb.Append(c);
}
continue;
}
switch (inString)
{
case 0:
if (c == '"') inString = 1;
else if (c == '\'') inString = 2;
break;
case 1:
sb.Append(c);
if (c == '"') inString = 0;
c2 = c;
continue;
case 2:
sb.Append(c);
if (c == '\'') inString = 0;
c2 = c;
continue;
}
// comments
if (inComments)
{
sb.Append(c);
if (i < n && c == '*' && txt[i] == '/')
{
i++;
sb.Append('/');
c2 = ' ';
inComments = false;
}
continue;
}
else if (i < n && c == '/' && (txt[i] == '*' || txt[i] == '/'))
{
if (txt[i] == '/')
{
sb.Append(txt.Substring(i - 1));
break;
}
else if (txt[i] == '*')
{
inComments = true;
sb.Append(c);
continue;
}
}
// generic type
if (c == '<' && (c2 == '.' || (options.IsHaXe && (Char.IsLetterOrDigit(c2) || c2 == '{'))))
{
int i2 = i;
if (lookupGeneric(options,txt, ref i))
{
sb.Append(c).Append(txt.Substring(i2, i - i2));
c2 = '$';
needSpace = false;
continue;
}
}
// literal XML
if (c == '<')
{
int i2 = i;
if (lookupXML(txt, ref i))
{
sb.Append(c).Append(txt.Substring(i2, i - i2));
c2 = '$';
needSpace = false;
continue;
}
}
else if ((c == ']' && i < n - 1 && txt[i] == ']' && txt[i + 1] == '>')
|| (c == '-' && i < n - 1 && txt[i] == '-' && txt[i + 1] == '>'))
{
sb.Append(c).Append(txt.Substring(i, 2));
i += 2;
c2 = ' ';
needSpace = false;
continue;
}
else if (c == '?' && i < n - 1 && txt[i] == '>')
{
sb.Append(c).Append(txt[i]);
i++;
c2 = ' ';
needSpace = false;
continue;
}
// literal Regexp
else if (c == '/')
{
int i2 = i;
if (lookupRegex(txt, ref i))
{
sb.Append('/').Append(txt.Substring(i2, i - i2));
c2 = ' ';
needSpace = false;
continue;
}
}
// is a white space needed?
if (options.CompactChars.IndexOf(c) >= 0)
{
if (c2 == '}' && (c == ';' || c == ','))
needSpace = false;
else if (options.SpaceBeforeFunctionCall && Char.IsLetterOrDigit(c2) && c == '(')
needSpace = true;
else
{
string word = GetLastWord(sb, options.WordCharacters);
if (word.Length > 0)
foreach (string token in options.AddSpaceAfter)
if (token == word)
{
needSpace = true;
break;
}
}
}
else if (options.SpacedChars.IndexOf(c) >= 0)
{
if (c == '*')
{
if (c2 == '.' || c2 == ':') // import wildchar or any type
{
needSpace = false;
sb.Append('*');
c2 = ' ';
continue;
}
else needSpace = true;
}
else if (i < n && (c == '+' || c == '-') && txt[i] == c) // unary operators
{
sb.Append(c).Append(c);
c2 = c;
needSpace = false;
i++;
continue;
}
else if (i > 0 && (c == '-' || c == '+') && (c2 == 'e' || c2 == 'E')) // 1e+23 / 1e-23
{
needSpace = false;
sb.Append(c);
c2 = ' ';
continue;
}
else if (c2 == '{' && c == '>') // Haxe typedef extension
{
sb.Append(c);
c2 = c;
needSpace = true;
continue;
}
else if (c != '!' || (c2 != '(' && c2 != '['))
{
if (options.Operators.IndexOf(c2) >= 0 && options.Operators.IndexOf(c) >= 0) needSpace = false;
else needSpace = (c != '!' || (c2 != '(' && c2 != '['));
}
if (i < n)
{
if (c == '-' && txt[i] == '>') // php dot operator, haxe function
{
sb.Append(c).Append(txt[i]);
c2 = ' ';
needSpace = false;
i++;
continue;
}
else if (c2 == '.' && c == '=') // php concat operator
{
needSpace = false;
}
else if (c2 == '=' && c == '>') // php array(key => value)
{
needSpace = false;
}
}
if (options.BraceAfterLine && c == '{')
{
string start = txt.Substring(0, i - 1).Trim();
char prevC = start[start.Length - 1];
string end = txt.Substring(i).Trim();
if (end.Length == 0)
{
if (Char.IsLetterOrDigit(prevC) || prevC == ')')
{
sb.Append(options.Newline).Append(indentation).Append('{');
needSpace = false;
continue;
}
}
}
}
// adding whitespace
if (c != ' ' && c != '\t')
{
if (needSpace && c != '\r' && c != '\n')
{
if (c2 != ' ') sb.Append(' ');
needSpace = false;
}
sb.Append(c);
if (options.SpacedChars.IndexOf(c) >= 0)
{
if ((c == '-' || c == '+') && (i >= n || options.Operators.IndexOf(txt[i]) < 0)) // unary sign
{
needSpace = (c2 == ')' || c2 == ']' || c2 == '\'' || c2 == '"' || Char.IsLetterOrDigit(c2));
}
else if (c != '!' || (i < n && options.Operators.IndexOf(txt[i]) >= 0)) // operator
{
while (i < n && (txt[i] == '=' || txt[i] == c))
{
c = txt[i];
sb.Append(txt[i++]);
}
needSpace = true;
}
}
if (c == ')' && i < n && Char.IsLetter(txt[i]))
sb.Append(' ');
c2 = c;
}
else
{
if (options.CondenseWhitespace) needSpace = true;
else
{
sb.Append(c);
c2 = ' ';
needSpace = false;
}
}
}
if (!fixedOffset) offset = sb.Length;
return sb.ToString();
}
private static bool lookupGeneric( ReformatOptions options, string txt, ref int index)
{
int i = index;
int n = txt.Length;
char c = '<', prev = ' ';
int sub = 0, psub = 0;
while (i < n)
{
prev = c;
c = txt[i++];
if (Char.IsLetterOrDigit(c) || c == '.' || c == ' ') continue;
if (c == '<') sub++;
else if (c == '>' && (!options.IsHaXe || prev != '-'))
{
sub--;
if (sub < 0)
{
index = i;
return true;
}
}
else if (options.IsHaXe && c == '{')
psub++;
else if (psub > 0)
{
if (c == '}') psub--;
continue;
} else
break;
}
return false;
}
