internal SourceTextLine(StringSourceText sourceText, int line, int lineStart, int lineEnd)
{
if (sourceText == null)
{
throw new ArgumentNullException(nameof(sourceText));
}
if (TextExtent.FromBounds(lineStart, lineEnd).IsMissing)
{
throw new ArgumentOutOfRangeException(nameof(lineEnd));
}
if (line < 0)
{
throw new ArgumentOutOfRangeException(nameof(line));
}
if (line > lineEnd)
{
throw new ArgumentOutOfRangeException(nameof(line));
}
if (lineEnd > sourceText.Length)
{
throw new ArgumentOutOfRangeException(nameof(lineEnd));
}
SourceText = sourceText;
Line = line;
Start = lineStart;
EndIncludingLineBreak = lineEnd;
}
public static TextExtent QuotedExtent(this ReadOnlySpan<char> text, int position, char quotationChar = '"', bool includequotationCharInExtent = false)
{
if (!IsInTextBlockImpl(text, position, quotationChar, out var start)) {
return TextExtent.Missing;
}
int offset = 0;
if (includequotationCharInExtent) {
offset = 1;
}
start++;
int firstWhiteSpace = -1;
for (int index = start; index < text.Length; index++) {
if (text[index] == quotationChar) {
return TextExtent.FromBounds(start: start - offset, end: index + offset);
}
if (firstWhiteSpace == -1 && Char.IsWhiteSpace(text[index])) {
firstWhiteSpace = index;
}
}
if (firstWhiteSpace != -1) {
return TextExtent.FromBounds(start: start - offset, end: firstWhiteSpace);
}
return TextExtent.FromBounds(start: start - offset, end: text.Length);
}
public static TextChange NewInsert(int position, string text)
{
return(new TextChange(TextExtent.FromBounds(position, position), text));
}