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JsonParser: Support basic escaped string characters.

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I didn't implement \uXXXX-style escape in this patch. That's a FIXME.
This commit is contained in:
Andreas Kling 2019-06-25 16:56:33 +02:00
parent 6469d7f043
commit e9b619c4aa
1 changed files with 37 additions and 2 deletions
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39
AK/JsonParser.cpp
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@ -54,9 +54,44 @@ void JsonParser::consume_specific(char expected_ch)
String JsonParser::consume_quoted_string()
{
consume_specific('"');
auto string = extract_while([](char ch) { return ch != '"'; });
StringBuilder builder;
for (;;) {
char ch = peek();
if (ch == '"')
break;
if (ch != '\\') {
builder.append(consume());
continue;
}
consume();
char escaped_ch = consume();
switch (escaped_ch) {
case 'n':
builder.append('\n');
break;
case 'r':
builder.append('\n');
break;
case 't':
builder.append('\t');
break;
case 'b':
builder.append('\b');
break;
case 'f':
builder.append('\f');
break;
case 'u':
// FIXME: Implement \uXXXX
ASSERT_NOT_REACHED();
break;
default:
builder.append(escaped_ch);
break;
}
}
consume_specific('"');
return string;
return builder.to_string();
}
JsonValue JsonParser::parse_object()