// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-1999 The LyX Team
+/** \file
+ * Copyright 2002 the LyX Team
+ * Read the file COPYING
*
- * This file is Copyright 1996
- * Lars Gullik Bjønnes
- *
- * ======================================================*/
+ * \author Lars Gullik Bjønnes
+*/
#ifndef BUFFER_LIST_H
#define BUFFER_LIST_H
#pragma interface
#endif
-#include "buffer.h"
-#include "debug.h"
+#include "LString.h"
+
+#include <boost/utility.hpp>
+
+#include <vector>
+
+class Buffer;
+class UpdatableInset;
/** A class to hold all the buffers in a structure
The point of this class is to hide from bufferlist what kind
This class should ideally be enclosed inside class BufferList, but that
gave me an "internal gcc error".
*/
-class BufferStorage {
+class BufferStorage : boost::noncopyable {
public:
///
- BufferStorage();
+ typedef std::vector<Buffer *> Container;
///
- bool isEmpty();
+ typedef Container::iterator iterator;
///
- void release(Buffer* buf);
+ typedef Container::const_iterator const_iterator;
///
- Buffer* newBuffer(string const &s, LyXRC *, bool =false);
-private:
- enum {
- /** The max number of buffers there are possible to have
- loaded at the same time. (this only applies when we use an
- array)
- */
- NUMBER_OF_BUFFERS = 50
- };
-
- /** The Bufferlist is currently implemented as a static array.
- The buffers are new'ed and deleted as reqested.
- */
- Buffer *buffer[NUMBER_OF_BUFFERS];
+ typedef Container::size_type size_type;
+ /**
+ Is the container empty or not.
+ \return True if the container is empty, False otherwise.
+ */
+ bool empty() const { return container.empty(); }
+ /**
+ Releases the passed buffer from the storage and deletes
+ all resources.
+ \param buf The buffer to release.
+ */
+ void release(Buffer * buf);
+ /**
+ \param s The name of the file to base the buffer on.
+ \param ronly If the buffer should be created read only of not.
+ \return The newly created buffer.
+ */
+ Buffer * newBuffer(string const & s, bool ronly = false);
///
- friend class BufferStorage_Iter;
-};
-
-/// An Iterator class for BufferStorage
-class BufferStorage_Iter {
-public:
+ Container::iterator begin() { return container.begin(); }
///
- BufferStorage_Iter(const BufferStorage & bs)
- { cs=&bs; index=0;}
- /// next
- Buffer* operator() ();
+ Container::iterator end() { return container.end(); }
///
- Buffer* operator[] (int a);
-private:
+ Container::const_iterator begin() const { return container.begin(); }
+ ///
+ Container::const_iterator end() const { return container.end(); }
///
- const BufferStorage *cs;
+ Buffer * front() { return container.front(); }
///
- unsigned char index;
+ Buffer * operator[](int c) { return container[c]; }
+ /**
+ What is the size of the container.
+ \return The size of the container.
+ */
+ size_type size() const { return container.size(); }
+private:
+ ///
+ Container container;
};
-
-/** The class governing all the open buffers
- This class governs all the currently open buffers. Currently all the buffer
- are located in a static array, soon this will change and we will have a
- linked list instead.
+/**
+ The class holds all all open buffers, and handles construction
+ and deletions of new ones.
*/
-class BufferList {
+class BufferList : boost::noncopyable {
public:
///
- BufferList();
-
- ///
- ~BufferList();
+ BufferList();
/// state info
enum list_state {
};
/// returns the state of the bufferlist
- list_state getState() { return _state; }
-
- /** loads a LyX file or...
- If the optional argument tolastfiles is false (default is
- true), the file name will not be added to the last opened
- files list
- */
- Buffer* loadLyXFile(string const & filename,
- bool tolastfiles = true);
-
- ///
- bool isEmpty();
+ list_state getState() const { return state_; }
+
+ /**
+ Loads a LyX file or...
+
+ \param filename The filename to read from.
+ \param tolastfiles Wether the file should be put in the
+ last opened files list or not.
+ \return The newly loaded LyX file.
+ */
+ Buffer * loadLyXFile(string const & filename,
+ bool tolastfiles = true);
- /// Saves buffer. Returns false if unsuccesful.
- bool write(Buffer *, bool makeBackup = true);
+ ///
+ bool empty() const;
///
- bool QwriteAll();
+ bool qwriteAll();
/// Close all open buffers.
void closeAll();
- ///
- void resize();
-
- /// Read a file into a buffer readonly or not.
- Buffer* readFile(string const &, bool ro);
+ /**
+ Read a file into a buffer readonly or not.
+ \return
+ */
+ Buffer * readFile(string const &, bool ro);
/// Make a new file (buffer) using a template
- Buffer* newFile(string const &, string);
-
- /** This one must be moved to some other place.
- */
- void makePup(int);
-
- ///** Later with multiple frames this should not be here.
- // */
- //Buffer* switchBuffer(Buffer *from, int);
-
- ///
- void updateInset(Inset*, bool = true);
+ Buffer * newFile(string const &, string, bool isNamed = false);
+ /// returns a vector with all the buffers filenames
+ std::vector<string> const getFileNames() const;
///
- int unlockInset(UpdatableInset*);
+ int unlockInset(UpdatableInset *);
///
void updateIncludedTeXfiles(string const &);
///
void emergencyWriteAll();
- /** closes buffer
- Returns false if operation was canceled
+ /**
+ Close buffer.
+ \param buf the buffer that should be closed
+ \return #false# if operation was canceled
*/
- bool close(Buffer *);
+ bool close(Buffer * buf);
///
- Buffer* first();
-
+ Buffer * first();
+
/// returns true if the buffer exists already
- bool exists(string const &);
+ bool exists(string const &) const;
+
+ /// returns true if the buffer is loaded
+ bool isLoaded(Buffer const * b) const;
/// returns a pointer to the buffer with the given name.
- Buffer* getBuffer(string const &);
+ Buffer * getBuffer(string const &);
/// returns a pointer to the buffer with the given number.
- Buffer* getBuffer(int);
-
+ Buffer * getBuffer(unsigned int);
private:
+ /// ask to save a buffer on quit
+ bool qwriteOne(Buffer * buf, string const & fname,
+ string & unsaved_list);
+
///
BufferStorage bstore;
-
+
+ ///
+ list_state state_;
///
- list_state _state;
+ void emergencyWrite(Buffer * buf);
};
#endif