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#ifndef SASS_OUTPUT_H
#define SASS_OUTPUT_H

#include <string>
#include <vector>

#include "util.hpp"
#include "inspect.hpp"
#include "operation.hpp"

namespace Sass {
  class Context;
  using namespace std;

  // Refactor to make it generic to find linefeed (look behind)
  inline bool ends_with(std::string const & value, std::string const & ending)
  {
    if (ending.size() > value.size()) return false;
    return std::equal(ending.rbegin(), ending.rend(), value.rbegin());
  }

  class Output : public Inspect {
  protected:
    using Inspect::operator();

  public:
    // change to Emitter
    Output(Context* ctx);
    virtual ~Output();

  protected:
    string charset;
    vector<Import*> top_imports;
    vector<Comment*> top_comments;

  public:
    OutputBuffer get_buffer(void);

    virtual void operator()(Ruleset*);
    // virtual void operator()(Propset*);
    virtual void operator()(Feature_Block*);
    virtual void operator()(Media_Block*);
    virtual void operator()(At_Rule*);
    virtual void operator()(Keyframe_Rule*);
    virtual void operator()(Import*);
    virtual void operator()(Comment*);
    virtual void operator()(String_Quoted*);
    virtual void operator()(String_Constant*);

    void fallback_impl(AST_Node* n);

  };

}

#endif