lyx_mirror/src/BufferList.h
Abdelrazak Younes 72b0b23590 Introduce BufferException so that we don't crash if a problem affects only current Buffer. Instead we now just do an emergency save and we close it.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23346 a592a061-630c-0410-9148-cb99ea01b6c8
2008-02-29 08:10:51 +00:00

125 lines
2.9 KiB
C++

// -*- C++ -*-
/**
* \file BufferList.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#ifndef BUFFER_LIST_H
#define BUFFER_LIST_H
#include "support/docstring.h"
#include <vector>
namespace lyx {
class Buffer;
class OutputParams;
/**
* The class holds all all open buffers, and handles construction
* and deletions of new ones.
*/
class BufferList {
public:
typedef std::vector<Buffer *>::iterator iterator;
typedef std::vector<Buffer *>::const_iterator const_iterator;
public:
BufferList();
iterator begin();
const_iterator begin() const;
iterator end();
const_iterator end() const;
/// create a new buffer
/// \return 0 if the Buffer creation is not possible for whatever reason.
Buffer * newBuffer(std::string const & s, bool ronly = false);
/// delete a buffer
void release(Buffer * b);
/// Close all open buffers.
void closeAll();
/// returns a vector with all the buffers filenames
std::vector<std::string> const getFileNames() const;
/// FIXME
void updateIncludedTeXfiles(std::string const &, OutputParams const &);
/// emergency save for all buffers
void emergencyWriteAll();
/// save emergency file for the given buffer
/**
* \return a status message towards the user.
*/
docstring emergencyWrite(Buffer * buf);
/// return true if no buffers loaded
bool empty() const;
/// return head of buffer list if any
Buffer * first();
/// return back of buffer list if any
Buffer * last();
/// returns true if the buffer exists already
bool exists(std::string const &) const;
/// returns true if the buffer is loaded
bool isLoaded(Buffer const * b) const;
/// return index of named buffer in buffer list
int bufferNum(std::string const & name) const;
/// returns a pointer to the buffer with the given name.
Buffer * getBuffer(std::string const &);
/// returns a pointer to the buffer with the given number.
Buffer * getBuffer(unsigned int);
/// returns a pointer to the buffer whose temppath matches the string
Buffer * getBufferFromTmp(std::string const &);
/** returns a pointer to the buffer that follows argument in
* buffer list. The buffer following the last in list is the
* first one.
*/
Buffer * next(Buffer const *) const;
/** returns a pointer to the buffer that precedes argument in
* buffer list. The buffer preceding the first in list is the
* last one.
*/
Buffer * previous(Buffer const *) const;
/// reset current author for all buffers
void setCurrentAuthor(docstring const & name, docstring const & email);
private:
/// noncopiable
BufferList(BufferList const &);
void operator=(BufferList const &);
typedef std::vector<Buffer *> BufferStorage;
/// storage of all buffers
BufferStorage bstore;
};
/// Implementation is in LyX.cpp
extern BufferList & theBufferList();
} // namespace lyx
#endif // BUFFERLIST_H