writer.h

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#ifndef JSON_WRITER_H_INCLUDED
#define JSON_WRITER_H_INCLUDED

#include "value.h"
#include <vector>
#include <string>
#include <iostream>

namespace jsoncollector {
  namespace Json {

    class Value;

    class JSON_API Writer {
    public:
      virtual ~Writer();

      virtual std::string write(const Value &root) = 0;
    };

    class JSON_API FastWriter : public Writer {
    public:
      FastWriter();
      ~FastWriter() override {}

      void enableYAMLCompatibility();

    public:  // overridden from Writer
      std::string write(const Value &root) override;

    private:
      void writeValue(const Value &value);

      std::string document_;
      bool yamlCompatiblityEnabled_;
    };

    class JSON_API StyledWriter : public Writer {
    public:
      StyledWriter();
      ~StyledWriter() override {}

    public:  // overridden from Writer
      std::string write(const Value &root) override;

    private:
      void writeValue(const Value &value);
      void writeArrayValue(const Value &value);
      bool isMultineArray(const Value &value);
      void pushValue(const std::string &value);
      void writeIndent();
      void writeWithIndent(const std::string &value);
      void indent();
      void unindent();
      void writeCommentBeforeValue(const Value &root);
      void writeCommentAfterValueOnSameLine(const Value &root);
      bool hasCommentForValue(const Value &value);
      static std::string normalizeEOL(const std::string &text);

      typedef std::vector<std::string> ChildValues;

      ChildValues childValues_;
      std::string document_;
      std::string indentString_;
      int rightMargin_;
      int indentSize_;
      bool addChildValues_;
    };

    class JSON_API StyledStreamWriter {
    public:
      StyledStreamWriter(std::string indentation = "\t");
      ~StyledStreamWriter() {}

    public:
      void write(std::ostream &out, const Value &root);

    private:
      void writeValue(const Value &value);
      void writeArrayValue(const Value &value);
      bool isMultineArray(const Value &value);
      void pushValue(const std::string &value);
      void writeIndent();
      void writeWithIndent(const std::string &value);
      void indent();
      void unindent();
      void writeCommentBeforeValue(const Value &root);
      void writeCommentAfterValueOnSameLine(const Value &root);
      bool hasCommentForValue(const Value &value);
      static std::string normalizeEOL(const std::string &text);

      typedef std::vector<std::string> ChildValues;

      ChildValues childValues_;
      std::ostream *document_;
      std::string indentString_;
      int rightMargin_;
      std::string indentation_;
      bool addChildValues_;
    };

    std::string JSON_API valueToString(Int value);
    std::string JSON_API valueToString(UInt value);
    std::string JSON_API valueToString(double value);
    std::string JSON_API valueToString(bool value);
    std::string JSON_API valueToQuotedString(const char *value);

    std::ostream &operator<<(std::ostream &, const Value &root);

  }  // namespace Json
}  // namespace jsoncollector

#endif  // JSON_WRITER_H_INCLUDED