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 ttv {

    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();
          virtual ~FastWriter(){}

          void enableYAMLCompatibility();

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

       private:
          void writeValue( const Value &value );

          std::string document_;
          bool yamlCompatiblityEnabled_;
       };

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

       public: // overridden from Writer
          virtual std::string write( 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::string document_;
          std::string indentString_;
          unsigned int rightMargin_;
          unsigned 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_;
          unsigned 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( Int64 value );
       std::string JSON_API valueToString( UInt64 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 ttv


#endif // JSON_WRITER_H_INCLUDED