public static HighlightedItem[] Highlight(string text, HighlightingProfile profile)
{
var oneLineCommentsStartWith = profile.OneLineCommentsStartWith;
var oneLineCommentsStartWithLength = oneLineCommentsStartWith.Length;
var result = new List<HighlightedItem>(64);
var len = text.Length;
for (int i = 0; i < len; i++)
{
if (char.IsLetter(text[i]))
{
// Read identifier
var builder = new StringBuilder(text[i] + "", 32);
int j = i + 1;
while (j < len && char.IsLetterOrDigit(text[j]))
{
builder.Append(text[j]);
++j;
}
var ident = builder.ToString();
if (profile.Keywords.Contains(ident, !profile.KeywordsCaseSensitive
? StringComparer.InvariantCultureIgnoreCase : StringComparer.InvariantCulture))
{
result.Add(new HighlightedItem(i, j, CodeTokens.Keyword));
i = j;
}
}
else if (char.IsDigit(text[i]))
{
// Read numeric
int begin = i;
++i;
while (i < len && (char.IsDigit(text[i]) || text[i] == '.'))
++i;
result.Add(new HighlightedItem(begin, i, CodeTokens.Number));
}
else if (text[i] == '"')
{
int begin = i;
++i;
while (i < len && (text[i] != '"' || text[i - 1] == '\\'))
++i;
++i;
result.Add(new HighlightedItem(begin, i, CodeTokens.String));
}
else if (text[i] == '\'')
{
int begin = i;
++i;
while (i < len && (text[i] != '\'' || text[i - 1] == '\\'))
++i;
++i;
result.Add(new HighlightedItem(begin, i, CodeTokens.String));
}
else if (oneLineCommentsStartWithLength > 0 && i >= oneLineCommentsStartWithLength
&& text.SubstringEquals(i - oneLineCommentsStartWithLength, oneLineCommentsStartWith))
{
int end = text.IndexOf('\n', i);
if (text[i - 1] == '\r')
--end;
result.Add(new HighlightedItem(i - oneLineCommentsStartWithLength, end, CodeTokens.OneLineComment));
i = end;
}
}
return result.ToArray();
}
public static HighlightedItem[] Highlight(string text, HighlightingProfile profile)
{
var oneLineCommentsStartWith = profile.OneLineCommentsStartWith;
var oneLineCommentsStartWithLength = oneLineCommentsStartWith.Length;
var result = new List <HighlightedItem>(64);
var len = text.Length;
for (int i = 0; i < len; i++)
{
if (char.IsLetter(text[i]))
{
// Read identifier
var builder = new StringBuilder(text[i] + "", 32);
int j = i + 1;
while (j < len && char.IsLetterOrDigit(text[j]))
{
builder.Append(text[j]);
++j;
}
var ident = builder.ToString();
if (profile.Keywords.Contains(ident, !profile.KeywordsCaseSensitive
? StringComparer.InvariantCultureIgnoreCase : StringComparer.InvariantCulture))
{
result.Add(new HighlightedItem(i, j, CodeTokens.Keyword));
i = j;
}
}
else if (char.IsDigit(text[i]))
{
// Read numeric
int begin = i;
++i;
while (i < len && (char.IsDigit(text[i]) || text[i] == '.'))
{
++i;
}
result.Add(new HighlightedItem(begin, i, CodeTokens.Number));
}
else if (text[i] == '"')
{
int begin = i;
++i;
while (i < len && (text[i] != '"' || text[i - 1] == '\\'))
{
++i;
}
++i;
result.Add(new HighlightedItem(begin, i, CodeTokens.String));
}
else if (text[i] == '\'')
{
int begin = i;
++i;
while (i < len && (text[i] != '\'' || text[i - 1] == '\\'))
{
++i;
}
++i;
result.Add(new HighlightedItem(begin, i, CodeTokens.String));
}
else if (oneLineCommentsStartWithLength > 0 && i >= oneLineCommentsStartWithLength &&
text.SubstringEquals(i - oneLineCommentsStartWithLength, oneLineCommentsStartWith))
{
int end = text.IndexOf('\n', i);
if (text[i - 1] == '\r')
{
--end;
}
result.Add(new HighlightedItem(i - oneLineCommentsStartWithLength, end, CodeTokens.OneLineComment));
i = end;
}
}
return(result.ToArray());
}
