class Buffer;
-typedef std::vector<Buffer *> ListOfBuffers;
+typedef std::list<Buffer *> ListOfBuffers;
/** The buffer object.
/// Result of \c readFile()
enum ReadStatus {
- failure, ///< The file could not be read
- success, ///< The file could not be read
- wrongversion ///< The version of the file does not match ours
+ ReadSuccess,
+ ReadCancel,
+ // failures
+ ReadFailure,
+ ReadWrongVersion,
+ ReadFileNotFound,
+ ReadVCError,
+ ReadAutosaveFailure,
+ ReadEmergencyFailure,
+ ReadNoLyXFormat,
+ ReadDocumentFailure,
+ // lyx2lyx
+ LyX2LyXNoTempFile,
+ LyX2LyXNotFound,
+ LyX2LyXOlderFormat,
+ LyX2LyXNewerFormat,
+ // other
+ ReadOriginal
};
/// \return true if we made a decision
bool getStatus(FuncRequest const & cmd, FuncStatus & flag);
- /// read a new document from a string
- bool readString(std::string const &);
- /// load a new file
- bool readFile(support::FileName const & filename);
-
- /// read the header, returns number of unknown tokens
- int readHeader(Lexer & lex);
-
- /** Reads a file without header.
- \param par if != 0 insert the file.
- \return \c true if file is not completely read.
- */
- bool readDocument(Lexer &);
-
///
DocIterator getParFromID(int id) const;
/// do we have a paragraph with this id?
/// Write document to stream. Returns \c false if unsuccesful.
bool write(std::ostream &) const;
- /// save emergency file
- /// \return a status message towards the user.
- docstring emergencyWrite();
/// Write file. Returns \c false if unsuccesful.
bool writeFile(support::FileName const &) const;
- /// Loads LyX file \c filename into buffer, * and return success
- bool loadLyXFile(support::FileName const & s);
+ /// \name Functions involved in reading files/strings.
+ //@{
+ /// Loads a LyX file \c fn into the buffer. This function
+ /// tries to extract the file from version control if it
+ /// cannot be found. If it can be found, it will try to
+ /// read an emergency save file or an autosave file.
+ /// \sa loadThisLyXFile
+ ReadStatus loadLyXFile(support::FileName const & fn);
+ /// Loads a LyX file \c fn into the buffer. If you want
+ /// to check for files in a version control container,
+ /// emergency or autosave files, one should use \c loadLyXFile.
+ /// /sa loadLyXFile
+ ReadStatus loadThisLyXFile(support::FileName const & fn);
+ /// read a new document from a string
+ bool readString(std::string const &);
/// Reloads the LyX file
- bool reload();
+ ReadStatus reload();
+//FIXME: The following two functions should be private
+//private:
+ /// read the header, returns number of unknown tokens
+ int readHeader(Lexer & lex);
+ /// save timestamp and checksum of the given file.
+ void saveCheckSum() const;
+
+private:
+ /// read a new file
+ ReadStatus readFile(support::FileName const & fn);
+ /// Reads a file without header.
+ /// \param par if != 0 insert the file.
+ /// \return \c true if file is not completely read.
+ bool readDocument(Lexer &);
+ /// Try to extract the file from a version control container
+ /// before reading if the file cannot be found. This is only
+ /// implemented for RCS.
+ /// \sa LyXVC::file_not_found_hook
+ ReadStatus extractFromVC(support::FileName const & fn);
+ /// Reads the first tag of a LyX File and
+ /// returns the file format number.
+ ReadStatus parseLyXFormat(Lexer & lex, support::FileName const & fn,
+ int & file_format) const;
+ /// Convert the LyX file to the LYX_FORMAT using
+ /// the lyx2lyx script and returns the filename
+ /// of the temporary file to be read
+ ReadStatus convertLyXFormat(support::FileName const & fn,
+ support::FileName & tmpfile, int from_format);
+ //@}
+
+public:
+ /// \name Functions involved in autosave and emergency files.
+ //@{
+ ///
+ void autoSave() const;
+ /// save emergency file
+ /// \return a status message towards the user.
+ docstring emergencyWrite();
+
+//FIXME:The following three functions should be private
+//private:
+ ///
+ void removeAutosaveFile() const;
+ ///
+ void moveAutosaveFile(support::FileName const & old) const;
+ /// Get the filename of the autosave file associated with the Buffer
+ support::FileName getAutosaveFileName() const;
+
+private:
+ /// Try to load an autosave file associated to \c fn.
+ ReadStatus loadAutosave(support::FileName const & fn);
+ /// Get the filename of the autosave file associated with \c fn
+ support::FileName getAutosaveFileNameFor(support::FileName const & fn)
+ const;
+
+ /// Try to load an emergency file associated to \c fn.
+ ReadStatus loadEmergency(support::FileName const & fn);
+ /// Get the filename of the emergency file associated with the Buffer
+ support::FileName getEmergencyFileName() const;
+ /// Get the filename of the emergency file associated with \c fn
+ support::FileName getEmergencyFileNameFor(support::FileName const & fn)
+ const;
+ //@}
+public:
/// Fill in the ErrorList with the TeXErrors
void bufferErrors(TeXErrors const &, ErrorList &) const;
/// whether or not disk file has been externally modified
bool isExternallyModified(CheckMethod method) const;
- /// save timestamp and checksum of the given file.
- void saveCheckSum(support::FileName const & file) const;
-
/// mark the main lyx file as not needing saving
void markClean() const;
void setParent(Buffer const *);
Buffer const * parent() const;
- /// Collect all relative buffers
- ListOfBuffers allRelatives() const;
-
/** Get the document's master (or \c this if this is not a
child document)
*/
/// \return true if \p child is a child of this \c Buffer.
bool isChild(Buffer * child) const;
- /// return a vector of all children (and grandchildren)
- ListOfBuffers getChildren(bool grand_children = true) const;
-
- /// Add all children (and grandchildren) to supplied vector
- void getChildren(ListOfBuffers & children, bool grand_children = true) const;
+ /// \return true if this \c Buffer has children
+ bool hasChildren() const;
+
+ /// \return a list of the direct children of this Buffer.
+ /// this list has no duplicates and is in the order in which
+ /// the children appear.
+ ListOfBuffers getChildren() const;
+
+ /// \return a list of all descendents of this Buffer (children,
+ /// grandchildren, etc). this list has no duplicates and is in
+ /// the order in which the children appear.
+ ListOfBuffers getDescendents() const;
+
+ /// Collect all relative buffers, in the order in which they appear.
+ /// I.e., the "root" Buffer is first, then its first child, then any
+ /// of its children, etc. However, there are no duplicates in this
+ /// list.
+ /// This is "stable", too, in the sense that it returns the same
+ /// thing from whichever Buffer it is called.
+ ListOfBuffers allRelatives() const;
/// Is buffer read-only?
bool isReadonly() const;
/// Set by buffer_funcs' newFile.
void setFullyLoaded(bool);
+ /// Update the LaTeX preview snippets associated with this buffer
+ void updatePreviews() const;
+ /// Remove any previewed LaTeX snippets associated with this buffer
+ void removePreviews() const;
+
/// Our main text (inside the top InsetText)
Text & text() const;
///
bool hasGuiDelegate() const;
- ///
- void autoSave() const;
- ///
- void removeAutosaveFile() const;
- ///
- void moveAutosaveFile(support::FileName const & old) const;
- ///
- support::FileName getAutosaveFileName() const;
+
/// return the format of the buffer on a string
std::string bufferFormat() const;
void checkChildBuffers();
private:
- ///
- bool readFileHelper(support::FileName const & s);
///
std::vector<std::string> backends() const;
- /** Inserts a file into a document
- \return \c false if method fails.
- */
- ReadStatus readFile(Lexer &, support::FileName const & filename,
- bool fromString = false);
///
void getLanguages(std::set<Language const *> &) const;
/// Update the list of all bibfiles in use (including bibfiles
/// of loaded child documents).
support::FileNameList const &
getBibfilesCache(UpdateScope scope = UpdateMaster) const;
+ ///
+ void collectChildren(ListOfBuffers & children, bool grand_children) const;
+
/// Use the Pimpl idiom to hide the internals.
class Impl;
/// The pointer never changes although *pimpl_'s contents may.