file.h

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// Copyright (C) 2004 Xavier Décoret <Xavier.Decoret@imag.fr>

// This program is free software; you can redistribute it and/or 
// modify it under the terms of the GNU General Public License 
// as published by the Free Software Foundation; either 
// version 2 of the License, or (at your option) any later 
// version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef XDKBIB_FILE_H
#define XDKBIB_FILE_H

#if HAVE_CONFIG_H
#include <config.h>
#endif

#include <xdkbibtex/base.h>
#include <xdkbibtex/entry.h>

#include <vector>
#include <map>
#include <string>
#include <stdexcept>

namespace xdkbib
{
        class File;
  //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  // Interface of FileEntry
  //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  class FileEntry : public Entry
  {
  public:
    FileEntry();
  protected:
    friend class File;
    FileEntry(const Entry& e,const File* f);
    virtual std::string valueOf(const std::string& s) const;
  private:
    const File* file_;
  };
  //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  // Interface of File
  //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  class File
  {
  public:
    typedef enum
    {
      StrictQuote       = 0,
      WarnQuote         = 1,
      AcceptQuote       = 2,
    };
    File();
    ~File();
    void readFromFile(const std::string& fileName,
                      int options=StrictQuote)
      throw(xdkbib::parsing_error);

    const std::vector<std::vector<ValuePart> >& preambleComponents() const;
    const std::vector<FileEntry>& entries() const;
    const std::map<std::string,std::vector<ValuePart> >& strings() const;
    std::string preamble() const;    
    std::string  stringText(const std::string& s,bool nothrow=true) const
      throw(std::range_error);
    const std::string& comment() const;
    void setComment(const std::string&);
  

    void clearPreamble();
    File& addToPreamble(const ValuePart& p,bool newline=true);
    FileEntry* addEntry(const Entry& e);
    void clearEntries();
    template <class O>
    void defineString(const std::string& s,O first,const O& last);
    File& addToString(const std::string& s,const ValuePart& p);
    void clearStrings();
  private:
    std::vector<std::vector<ValuePart> >          preambleComponents_;
    std::vector<FileEntry>                        entries_;
    std::map<std::string,std::vector<ValuePart> > strings_;
    std::string                                   comment_;
  };
  //************************************************************
  // Implementation of File
  //************************************************************
  template <class O>
  void
  File::defineString(const std::string& s,O first,const O& last)
  {
    // TODO: check if it exists already?
    strings_[s] = std::vector<ValuePart>(first,last);
  }
}

#endif // XDKBIB_FILE_H

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