// adapted directly from minecraft's (decompiled) source
private static string QuoteAndEscape(string input, SnbtOptions.QuoteMode mode, bool escape_newlines)
{
const char PLACEHOLDER_QUOTE = '\0';
var builder = new StringBuilder(PLACEHOLDER_QUOTE.ToString()); // dummy value to be replaced at end
char preferred_quote;
if (mode == SnbtOptions.QuoteMode.DoubleQuotes)
{
preferred_quote = '"';
}
else if (mode == SnbtOptions.QuoteMode.SingleQuotes)
{
preferred_quote = '\'';
}
else
{
preferred_quote = PLACEHOLDER_QUOTE; // dummy value when we're not sure which quote type to use yet
}
foreach (char c in input)
{
if (c == STRING_ESCAPE)
{
builder.Append(STRING_ESCAPE);
}
else if (c == STRING_PRIMARY_QUOTE || c == STRING_SECONDARY_QUOTE)
{
// if we find one of the quotes in the actual string text, use the other one for quoting
if (preferred_quote == PLACEHOLDER_QUOTE)
{
preferred_quote = (c == STRING_PRIMARY_QUOTE ? STRING_SECONDARY_QUOTE : STRING_PRIMARY_QUOTE);
}
if (c == preferred_quote)
{
builder.Append(STRING_ESCAPE);
}
}
if (escape_newlines && c == '\n')
{
builder.Append(STRING_ESCAPE + "n");
}
else
{
builder.Append(c);
}
}
if (preferred_quote == PLACEHOLDER_QUOTE)
{
preferred_quote = STRING_PRIMARY_QUOTE;
}
builder[0] = preferred_quote;
builder.Append(preferred_quote);
return(builder.ToString());
}
private static string QuoteIfRequested(string str, Predicate <string> should_quote, SnbtOptions.QuoteMode mode, bool escape_newlines)
{
if (should_quote(str))
{
return(QuoteAndEscape(str, mode, escape_newlines));
}
else
{
return(str);
}
}
