private void EscapeBackslashAndQuotes(StringBuilder sb, ReadOnlySpan <char> line)
{
var bsSplitter = new SpanSplitEnumerator <char>(line, "\\".AsSpan());
bool hadBs = false;
foreach (var bsPart in bsSplitter)
{
if (bsPart.End.Value - bsPart.Start.Value < 0)
{
continue;
}
if (hadBs)
{
sb.Append("\\\\");
}
var bsLine = line[bsPart];
if (bsLine.IsEmpty)
{
continue;
}
var quotSplitter = new SpanSplitEnumerator <char>(bsLine, "\"".AsSpan());
bool hadQuot = false;
foreach (var quotPart in quotSplitter)
{
if (quotPart.End.Value - quotPart.Start.Value < 0)
{
continue;
}
if (hadQuot)
{
sb.Append("\\\"");
}
sb.Append(bsLine[quotPart]);
hadQuot = true;
}
hadBs = true;
}
}
private void BuildMultilineAppend(StringBuilder sb, ReadOnlySpan <char> text)
{
if (text.IsEmpty)
{
return;
}
var splitter = new SpanSplitEnumerator <char>(text, "\r\n".AsSpan());
var hadLast = false;
foreach (var range in splitter)
{
if (range.End.Value - range.Start.Value < 0)
{
continue;
}
var line = text[range];
if (line.IsEmpty)
{
continue;
}
if (hadLast)
{
sb.Append("\\n\";");
sb.Append(nl);
}
sb.Append("__builder += \"");
EscapeBackslashAndQuotes(sb, line);
hadLast = true;
}
if (hadLast)
{
sb.Append("\";");
sb.Append(nl);
}
}
