4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Lars Gullik Bjønnes
9 * Full author contact details are available in file CREDITS.
15 #include "InsetList.h"
17 #include "support/limited_stack.h"
18 #include "support/types.h"
20 #include <boost/scoped_ptr.hpp>
21 #include <boost/signals/signal0.hpp>
22 #include <boost/signals/signal1.hpp>
45 class ParConstIterator;
52 /** The buffer object.
53 This is the buffer object. It contains all the informations about
54 a document loaded into LyX. I am not sure if the class is complete or
55 minimal, probably not.
56 \author Lars Gullik Bjønnes
60 /// What type of log will \c getLogName() return?
62 latexlog, ///< LaTeX log
63 buildlog ///< Literate build log
68 \param b optional \c false by default
70 explicit Buffer(std::string const & file, bool b = false);
75 /** High-level interface to buffer functionality.
76 This function parses a command string and executes it
78 bool dispatch(std::string const & command, bool * result = 0);
80 /// Maybe we know the function already by number...
81 bool dispatch(FuncRequest const & func, bool * result = 0);
83 /// Load the autosaved file.
84 void loadAutoSaveFile();
87 bool readFile(std::string const & filename);
89 bool readFile(std::string const & filename, lyx::par_type pit);
91 /// read the header, returns number of unknown tokens
92 int readHeader(LyXLex & lex);
94 /** Reads a file without header.
95 \param par if != 0 insert the file.
96 \return \c false if file is not completely read.
98 bool readBody(LyXLex &);
101 void insertStringAsLines(ParagraphList & plist,
102 lyx::par_type &, lyx::pos_type &,
103 LyXFont const &, std::string const &);
105 ParIterator getParFromID(int id) const;
106 /// do we have a paragraph with this id?
107 bool hasParWithID(int id) const;
109 /// This signal is emitted when a parsing error shows up.
110 boost::signal1<void, ErrorItem> error;
111 /// This signal is emitted when some message shows up.
112 boost::signal1<void, std::string> message;
113 /// This signal is emitted when the buffer busy status change.
114 boost::signal1<void, bool> busy;
115 /// This signal is emitted when the buffer readonly status change.
116 boost::signal1<void, bool> readonly;
117 /// Update window titles of all users.
118 boost::signal0<void> updateTitles;
119 /// Reset autosave timers for all users.
120 boost::signal0<void> resetAutosaveTimers;
121 /// This signal is emitting if the buffer is being closed.
122 boost::signal0<void> closing;
126 Takes care of auto-save files and backup file if requested.
127 Returns \c true if the save is successful, \c false otherwise.
131 /// Write file. Returns \c false if unsuccesful.
132 bool writeFile(std::string const &) const;
135 void writeFileAscii(std::string const &, OutputParams const &);
137 void writeFileAscii(std::ostream &, OutputParams const &);
138 /// Just a wrapper for the method below, first creating the ofstream.
139 void makeLaTeXFile(std::string const & filename,
140 std::string const & original_path,
141 OutputParams const &,
142 bool output_preamble = true,
143 bool output_body = true);
145 void makeLaTeXFile(std::ostream & os,
146 std::string const & original_path,
147 OutputParams const &,
148 bool output_preamble = true,
149 bool output_body = true);
151 void makeLinuxDocFile(std::string const & filename,
152 OutputParams const & runparams_in,
153 bool only_body = false);
155 void makeDocBookFile(std::string const & filename,
156 OutputParams const & runparams_in,
157 bool only_body = false);
158 /// returns the main language for the buffer (document)
159 Language const * getLanguage() const;
160 /// get l10n translated to the buffers language
161 std::string const B_(std::string const & l10n) const;
165 /// return true if the main lyx file does not need saving
166 bool isClean() const;
168 bool isBakClean() const;
170 bool isDepClean(std::string const & name) const;
172 /// mark the main lyx file as not needing saving
173 void markClean() const;
179 void markDepClean(std::string const & name);
182 void setUnnamed(bool flag = true);
185 bool isUnnamed() const;
187 /// Mark this buffer as dirty.
190 /// Returns the buffer's filename. It is always an absolute path.
191 std::string const & fileName() const;
193 /// Returns the the path where the buffer lives.
194 /// It is always an absolute path.
195 std::string const & filePath() const;
197 /** A transformed version of the file name, adequate for LaTeX.
198 \param no_path optional if \c true then the path is stripped.
200 std::string const getLatexName(bool no_path = true) const;
202 /// Get the name and type of the log.
203 std::pair<LogType, std::string> const getLogName() const;
205 /// Change name of buffer. Updates "read-only" flag.
206 void setFileName(std::string const & newfile);
208 /// Name of the document's parent
209 void setParentName(std::string const &);
211 /// Is buffer read-only?
212 bool isReadonly() const;
214 /// Set buffer read-only flag
215 void setReadonly(bool flag = true);
217 /// returns \c true if the buffer contains a LaTeX document
218 bool isLatex() const;
219 /// returns \c true if the buffer contains a LinuxDoc document
220 bool isLinuxDoc() const;
221 /// returns \c true if the buffer contains a DocBook document
222 bool isDocBook() const;
223 /** returns \c true if the buffer contains either a LinuxDoc
224 or DocBook document */
226 /// returns \c true if the buffer contains a Wed document
227 bool isLiterate() const;
229 /** Validate a buffer for LaTeX.
230 This validates the buffer, and returns a struct for use by
231 #makeLaTeX# and others. Its main use is to figure out what
232 commands and packages need to be included in the LaTeX file.
233 It (should) also check that the needed constructs are there
234 (i.e. that the \refs points to coresponding \labels). It
235 should perhaps inset "error" insets to help the user correct
238 void validate(LaTeXFeatures &) const;
240 /// return all bibkeys from buffer and its childs
241 void fillWithBibKeys(std::vector<std::pair<std::string, std::string> > & keys) const;
243 void getLabelList(std::vector<std::string> &) const;
246 void changeLanguage(Language const * from, Language const * to);
249 void updateDocLang(Language const * nlang);
252 bool isMultiLingual() const;
254 /// Does this mean that this is buffer local?
255 limited_stack<Undo> & undostack();
256 limited_stack<Undo> const & undostack() const;
258 /// Does this mean that this is buffer local?
259 limited_stack<Undo> & redostack();
260 limited_stack<Undo> const & redostack() const;
263 BufferParams & params();
264 BufferParams const & params() const;
266 /** The list of paragraphs.
267 This is a linked list of paragraph, this list holds the
268 whole contents of the document.
270 ParagraphList & paragraphs();
271 ParagraphList const & paragraphs() const;
273 /// LyX version control object.
275 LyXVC const & lyxvc() const;
277 /// Where to put temporary files.
278 std::string const & temppath() const;
280 /// Used when typesetting to place errorboxes.
282 TexRow const & texrow() const;
284 class inset_iterator {
286 typedef std::input_iterator_tag iterator_category;
287 typedef InsetBase value_type;
288 typedef ptrdiff_t difference_type;
289 typedef InsetBase * pointer;
290 typedef InsetBase & reference;
291 typedef lyx::par_type base_type;
294 inset_iterator(ParagraphList & pars, base_type p);
297 inset_iterator & operator++();
299 inset_iterator operator++(int);
301 reference operator*();
303 pointer operator->();
306 lyx::par_type getPar() const;
308 lyx::pos_type getPos() const;
311 bool operator==(inset_iterator const & iter1,
312 inset_iterator const & iter2);
319 InsetList::iterator it;
321 ParagraphList * pars_;
324 /// return an iterator to all *top-level* insets in the buffer
325 inset_iterator inset_iterator_begin();
327 /// return the end of all *top-level* insets in the buffer
328 inset_iterator inset_iterator_end();
330 /// return a const iterator to all *top-level* insets in the buffer
331 inset_iterator inset_const_iterator_begin() const;
333 /// return the const end of all *top-level* insets in the buffer
334 inset_iterator inset_const_iterator_end() const;
337 ParIterator par_iterator_begin();
339 ParConstIterator par_iterator_begin() const;
341 ParIterator par_iterator_end();
343 ParConstIterator par_iterator_end() const;
345 /** \returns true only when the file is fully loaded.
346 * Used to prevent the premature generation of previews
347 * and by the citation inset.
349 bool fully_loaded() const;
350 /// Set by buffer_funcs' newFile.
351 void fully_loaded(bool);
354 LyXText & text() const;
356 InsetBase & inset() const;
359 /** Inserts a file into a document
360 \param par if != 0 insert the file.
361 \return \c false if method fails.
363 bool readFile(LyXLex &, std::string const & filename,
366 bool do_writeFile(std::ostream & ofs) const;
368 /// Use the Pimpl idiom to hide the internals.
370 /// The pointer never changes although *pimpl_'s contents may.
371 boost::scoped_ptr<Impl> const pimpl_;
374 bool operator==(Buffer::inset_iterator const & iter1,
375 Buffer::inset_iterator const & iter2);
377 bool operator!=(Buffer::inset_iterator const & iter1,
378 Buffer::inset_iterator const & iter2);