105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
#ifndef STAR_JSON_BUILDER_HPP
|
|
#define STAR_JSON_BUILDER_HPP
|
|
|
|
#include "StarJsonParser.hpp"
|
|
#include "StarJson.hpp"
|
|
|
|
namespace Star {
|
|
|
|
class JsonBuilderStream : public JsonStream {
|
|
public:
|
|
virtual void beginObject();
|
|
virtual void objectKey(char32_t const* s, size_t len);
|
|
virtual void endObject();
|
|
|
|
virtual void beginArray();
|
|
virtual void endArray();
|
|
|
|
virtual void putString(char32_t const* s, size_t len);
|
|
virtual void putDouble(char32_t const* s, size_t len);
|
|
virtual void putInteger(char32_t const* s, size_t len);
|
|
virtual void putBoolean(bool b);
|
|
virtual void putNull();
|
|
|
|
virtual void putWhitespace(char32_t const* s, size_t len);
|
|
virtual void putColon();
|
|
virtual void putComma();
|
|
|
|
size_t stackSize();
|
|
Json takeTop();
|
|
|
|
private:
|
|
void push(Json v);
|
|
Json pop();
|
|
void set(Json v);
|
|
void pushSentry();
|
|
bool isSentry();
|
|
|
|
List<Maybe<Json>> m_stack;
|
|
};
|
|
|
|
template <typename Jsonlike>
|
|
class JsonStreamer {
|
|
public:
|
|
static void toJsonStream(Jsonlike const& val, JsonStream& stream, bool sort);
|
|
};
|
|
|
|
template <>
|
|
class JsonStreamer<Json> {
|
|
public:
|
|
static void toJsonStream(Json const& val, JsonStream& stream, bool sort);
|
|
};
|
|
|
|
template <typename InputIterator>
|
|
Json inputUtf8Json(InputIterator begin, InputIterator end, bool fragment) {
|
|
typedef U8ToU32Iterator<InputIterator> Utf32Input;
|
|
typedef JsonParser<Utf32Input> Parser;
|
|
|
|
JsonBuilderStream stream;
|
|
Parser parser(stream);
|
|
Utf32Input wbegin(begin);
|
|
Utf32Input wend(end);
|
|
Utf32Input pend = parser.parse(wbegin, wend, fragment);
|
|
|
|
if (parser.error())
|
|
throw JsonParsingException(strf("Error parsing json: {} at {}:{}", parser.error(), parser.line(), parser.column()));
|
|
else if (pend != wend)
|
|
throw JsonParsingException(strf("Error extra data at end of input at {}:{}", parser.line(), parser.column()));
|
|
|
|
return stream.takeTop();
|
|
}
|
|
|
|
template <typename OutputIterator>
|
|
void outputUtf8Json(Json const& val, OutputIterator out, int pretty, bool sort) {
|
|
typedef Utf8OutputIterator<OutputIterator> Utf8Output;
|
|
typedef JsonWriter<Utf8Output> Writer;
|
|
Writer writer(Utf8Output(out), pretty);
|
|
JsonStreamer<Json>::toJsonStream(val, writer, sort);
|
|
}
|
|
|
|
template <typename InputIterator, typename Stream = JsonBuilderStream, typename Jsonlike = Json>
|
|
Jsonlike inputUtf32Json(InputIterator begin, InputIterator end, bool fragment) {
|
|
Stream stream;
|
|
JsonParser<InputIterator> parser(stream);
|
|
|
|
InputIterator pend = parser.parse(begin, end, fragment);
|
|
|
|
if (parser.error()) {
|
|
throw JsonParsingException(strf("Error parsing json: {} at {}:{}", parser.error(), parser.line(), parser.column()));
|
|
} else if (pend != end) {
|
|
throw JsonParsingException(strf("Error extra data at end of input at {}:{}", parser.line(), parser.column()));
|
|
}
|
|
|
|
return stream.takeTop();
|
|
}
|
|
|
|
template <typename OutputIterator, typename Jsonlike = Json>
|
|
void outputUtf32Json(Jsonlike const& val, OutputIterator out, int pretty, bool sort) {
|
|
JsonWriter<OutputIterator> writer(out, pretty);
|
|
JsonStreamer<Jsonlike>::toJsonStream(val, writer, sort);
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|