#ifndef SASS_SOURCE_H

#define SASS_SOURCE_H

#include "sass.hpp"

#include "memory.hpp"

#include "position.hpp"

#include "source_data.hpp"

namespace Sass {

  class SourceFile :

    public SourceData {

  protected:

    char* path;

    char* data;

    size_t length;

    size_t srcid;

  public:

    SourceFile(

      const char* path,

      const char* data,

      size_t srcid);

    ~SourceFile();

    const char* end() const override final;

    const char* begin() const override final;

    virtual const char* getRawData() const override;

    virtual SourceSpan getSourceSpan() override;

    size_t size() const override final {

      return length;

    }

    virtual const char* getPath() const override {

      return path;

    }

    virtual size_t getSrcId() const override {

      return srcid;

    }

  };

  class SynthFile :

    public SourceData {

  protected:

    const char* path;

  public:

    SynthFile(

      const char* path) :

      path(path)

    {}

    ~SynthFile() {}

    const char* end() const override final { return nullptr; }

    const char* begin() const override final { return nullptr; };

    virtual const char* getRawData() const override { return nullptr; };

    virtual SourceSpan getSourceSpan() override { return SourceSpan(path); };

    size_t size() const override final {

      return 0;

    }

    virtual const char* getPath() const override {

      return path;

    }

    virtual size_t getSrcId() const override {

      return std::string::npos;

    }

  };

  class ItplFile :

    public SourceFile {

  private:

    SourceSpan pstate;

  public:

    ItplFile(const char* data,

      const SourceSpan& pstate);

    // Offset getPosition() const override final;

    const char* getRawData() const override final;

    SourceSpan getSourceSpan() override final;

  };

}

#endif