v1.4.4

source/core/StarJsonBuilder.hpp

@@ -0,0 +1,104 @@
+#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: %s at %s:%s", parser.error(), parser.line(), parser.column()));
+  else if (pend != wend)
+    throw JsonParsingException(strf("Error extra data at end of input at %s:%s", 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: %s at %s:%s", parser.error(), parser.line(), parser.column()));
+  } else if (pend != end) {
+    throw JsonParsingException(strf("Error extra data at end of input at %s:%s", 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