inline Iterator parseObject(Iterator begin, Iterator end, ObjectBodyParser objectBodyParser, ErrorHandler &errorHandler)
{
Iterator i = skipLeadingSpaces<spacePolicy>(begin, end);
if (unlikely(i == end)) {
goto prematureEnd;
}
if (unlikely(*i != u8"{"[0])) {
goto malformedJson;
}
i = objectBodyParser(++i, end, errorHandler);
if (unlikely(!errorHandler.valid())) {
return end;
}
if (unlikely(i == end)) {
goto prematureEnd;
}
if (unlikely(*i != u8"}"[0])) {
goto malformedJson;
}
return skipTrailingSpaces<spacePolicy>(++i, end);
prematureEnd:
errorHandler.prematureEnd();
return end;
malformedJson:
errorHandler.malformedJson(i);
return end;
}
inline Iterator parseComma(Iterator begin, Iterator end, ErrorHandler &errorHandler)
{
Iterator i = skipLeadingSpaces<spacePolicy>(begin, end);
if (unlikely(i == end)) {
errorHandler.prematureEnd();
return end;
}
if (unlikely(*i != u8","[0])) {
errorHandler.malformedJson(i);
return i;
}
return skipTrailingSpaces<spacePolicy>(++i, end);
}
inline Iterator parsePropertyValue(Iterator begin, Iterator end, const char * const propName,
const std::size_t propNameSize, ValueParser valueParser, ErrorHandler &errorHandler)
{
Iterator i = skipLeadingSpaces<spacePolicy>(begin, end);
// TODO optimise property name matching
const char *realPropNameBegin;
std::size_t realPropNameSize;
auto propNameParser = [&](const char * const begin, const char * const end, ErrorHandler &errorHandler) -> const char *
{
// TODO support quotation marks in property name (make it optional for better performance.
realPropNameBegin = begin;
const char * const propNameEnd = std::find(begin, end, u8"\""[0]);
realPropNameSize = propNameEnd - realPropNameBegin;
return propNameEnd;
};
// TODO support forward iterators; combine scanning and comparing into a single loop.
i = afc::json::parseString<const char *, decltype(propNameParser) &, ErrorHandler, afc::json::noSpaces>
(i, end, propNameParser, errorHandler);
if (unlikely(!errorHandler.valid())) {
return end;
}
if (unlikely(!afc::equal(propName, propNameSize, realPropNameBegin, realPropNameSize))) {
errorHandler.malformedJson(i);
return end;
}
i = afc::json::parseColon<const char *, ErrorHandler, spacePolicy>(i, end, errorHandler);
if (unlikely(!errorHandler.valid())) {
return end;
}
i = valueParser(i, end, errorHandler);
if (unlikely(!errorHandler.valid())) {
return end;
}
return skipTrailingSpaces<spacePolicy>(i, end);
}
inline typename std::enable_if<!_impl::isRandomAccessIterator<Iterator>(), Iterator>::type
parseBoolean(Iterator begin, Iterator end, bool &dest, ErrorHandler &errorHandler)
{
Iterator i = skipLeadingSpaces<spacePolicy>(begin, end);
char c;
if (unlikely(i == end)) {
goto prematureEnd;
}
c = *i;
if (c == u8"t"[0]) {
if (unlikely(++i == end)) goto prematureEnd;
if (unlikely(*i != u8"r"[0])) goto malformedJson;
if (unlikely(++i == end)) goto prematureEnd;
if (unlikely(*i != u8"u"[0])) goto malformedJson;
if (unlikely(++i == end)) goto prematureEnd;
if (unlikely(*i != u8"e"[0])) goto malformedJson;
dest = true;
} else if (c == u8"f"[0]) {
if (unlikely(++i == end)) goto prematureEnd;
if (unlikely(*i != u8"a"[0])) goto malformedJson;
if (unlikely(++i == end)) goto prematureEnd;
if (unlikely(*i != u8"l"[0])) goto malformedJson;
if (unlikely(++i == end)) goto prematureEnd;
if (unlikely(*i != u8"s"[0])) goto malformedJson;
if (unlikely(++i == end)) goto prematureEnd;
if (unlikely(*i != u8"e"[0])) goto malformedJson;
dest = false;
} else {
goto malformedJson;
}
return skipTrailingSpaces<spacePolicy>(++i, end);
prematureEnd:
errorHandler.prematureEnd();
return end;
malformedJson:
errorHandler.malformedJson(i);
return end;
}
inline Iterator parseArray(Iterator begin, Iterator end, ArrayElementParser arrayElementParser, ErrorHandler &errorHandler)
{
Iterator i = skipLeadingSpaces<spacePolicy>(begin, end);
if (unlikely(i == end)) {
goto prematureEnd;
}
if (unlikely(*i != u8"["[0])) {
goto malformedJson;
}
if (unlikely(++i == end)) {
goto prematureEnd;
}
if (*i == u8"]"[0]) {
return skipTrailingSpaces<spacePolicy>(++i, end);
}
for (;;) {
i = arrayElementParser(i, end, errorHandler);
if (unlikely(!errorHandler.valid())) {
return end;
}
if (unlikely(i == end)) {
goto prematureEnd;
}
const char c = *i;
if (c == u8"]"[0]) {
return skipTrailingSpaces<spacePolicy>(++i, end);
}
if (likely(c == u8","[0])) {
++i;
} else {
goto malformedJson;
}
}
prematureEnd:
errorHandler.prematureEnd();
return end;
malformedJson:
errorHandler.malformedJson(i);
return end;
}