mime.h

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#ifndef mime_h_included
#define mime_h_included
#include <string>
#include <vector>
#include <map>
#include <stdio.h>
 
namespace Binc {
  //---------------------------------------------------------------------- 
  class HeaderItem {
  private:
    mutable std::string key;
    mutable std::string value;
 
  public:
    inline const std::string &getKey(void) const { return key; }
    inline const std::string &getValue(void) const { return value; }
 
    //--
    HeaderItem(void);
    HeaderItem(const std::string &key, const std::string &value);
  };
 
  //---------------------------------------------------------------------- 
  class Header {
  private:
    mutable std::vector<HeaderItem> content;
 
  public:
    bool getFirstHeader(const std::string &key, HeaderItem &dest) const;
    bool getAllHeaders(const std::string &key, std::vector<HeaderItem> &dest) const;
    void add(const std::string &name, const std::string &content);
    void clear(void) const;
 
    //--
    Header(void);
    ~Header(void);
  };
 
  //----------------------------------------------------------------------
  class IODevice;
  class MimeDocument;
  class MimePart {
  protected:
  public:
    mutable bool multipart;
    mutable bool messagerfc822;
    mutable std::string subtype;
    mutable std::string boundary;
 
    mutable unsigned int headerstartoffsetcrlf;
    mutable unsigned int headerlength;
 
    mutable unsigned int bodystartoffsetcrlf;
    mutable unsigned int bodylength;
    mutable unsigned int nlines;
    mutable unsigned int nbodylines;
    mutable unsigned int size;
 
  public:
    enum FetchType {
      FetchBody,
      FetchHeader,
      FetchMime
    };
 
    mutable Header h;
 
    mutable std::vector<MimePart> members;
 
    inline const std::string &getSubType(void) const { return subtype; }
    inline bool isMultipart(void) const { return multipart; }
    inline bool isMessageRFC822(void) const { return messagerfc822; }
    inline unsigned int getSize(void) const { return bodylength; }
    inline unsigned int getNofLines(void) const { return nlines; }
    inline unsigned int getNofBodyLines(void) const { return nbodylines; }
    inline unsigned int getBodyLength(void) const { return bodylength; }
    inline unsigned int getBodyStartOffset(void) const { return bodystartoffsetcrlf; }
 
    void printBody(int fd, Binc::IODevice &output, unsigned int startoffset, unsigned int length) const;
    void printHeader(int fd, Binc::IODevice &output, std::vector<std::string> headers, 
                     bool includeheaders, unsigned int startoffset, unsigned int length, std::string &storage) const;
    void printDoc(int fd, Binc::IODevice &output, unsigned int startoffset, unsigned int length) const;
    virtual void clear(void) const;
 
    const MimePart *getPart(const std::string &findpart, std::string genpart, FetchType fetchType = FetchBody) const;
    virtual int parseOnlyHeader(const std::string &toboundary) const;
    virtual int parseFull(const std::string &toboundary, int &boundarysize) const;
 
    MimePart(void);
    virtual ~MimePart(void);
  };
 
  //----------------------------------------------------------------------
  class MimeDocument : public MimePart {
  private:
    mutable bool headerIsParsed;
    mutable bool allIsParsed;
 
  public:
    void parseOnlyHeader(int fd) const;
    void parseFull(int fd) const;
    void clear(void) const;
 
    inline bool isHeaderParsed(void) { return headerIsParsed; }
    inline bool isAllParsed(void) { return allIsParsed; }
 
    //--
    MimeDocument(void);
    ~MimeDocument(void);
  };
 
};
 
#endif