X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBuffer.h;h=d483de9a0839bccdc891456a46e144bc53e0f3e1;hb=28be7d552f62cc02fa86d7f79201d089bfb2d7b5;hp=d0d787687c94510f5ada9c1339be7bbb313c7c90;hpb=c7e6a677c4df14b0f2f7d701e1f1976c4005a629;p=lyx.git diff --git a/src/Buffer.h b/src/Buffer.h index d0d787687c..d483de9a08 100644 --- a/src/Buffer.h +++ b/src/Buffer.h @@ -13,10 +13,8 @@ #define BUFFER_H #include "OutputEnums.h" -#include "OutputParams.h" - -#include "insets/InsetCode.h" +#include "support/unique_ptr.h" #include "support/strfwd.h" #include "support/types.h" @@ -52,6 +50,7 @@ class MacroData; class MacroNameSet; class MacroSet; class OutputParams; +class otexstream; class Paragraph; class ParConstIterator; class ParIterator; @@ -68,17 +67,25 @@ class WorkAreaManager; } namespace support { +class DocFileName; class FileName; -class FileNameList; +class FileNamePairList; +} + +namespace graphics { +class PreviewLoader; +class Cache; } class Buffer; typedef std::list ListOfBuffers; +/// a list of Buffers we cloned +typedef std::set CloneList; /** The buffer object. - * This is the buffer object. It contains all the informations about + * This is the buffer object. It contains all the information about * a document loaded into LyX. * The buffer object owns the Text (wrapped in an InsetText), which * contains the individual paragraphs of the document. @@ -88,6 +95,9 @@ typedef std::list ListOfBuffers; * minimal, probably not. * \author Lars Gullik Bjønnes */ + +class MarkAsExporting; + class Buffer { public: /// What type of log will \c getLogName() return? @@ -105,7 +115,7 @@ public: ReadWrongVersion, ReadFileNotFound, ReadVCError, - ReadAutosaveFailure, + ReadAutosaveFailure, ReadEmergencyFailure, ReadNoLyXFormat, ReadDocumentFailure, @@ -118,23 +128,20 @@ public: ReadOriginal }; - - /// Method to check if a file is externally modified, used by - /// isExternallyModified() - /** - * timestamp is fast but inaccurate. For example, the granularity - * of timestamp on a FAT filesystem is 2 second. Also, various operations - * may touch the timestamp of a file even when its content is unchanged. - * - * checksum is accurate but slow, which can be a problem when it is - * frequently used, or used for a large file on a slow (network) file - * system. - * - * FIXME: replace this method with support/FileMonitor. - */ - enum CheckMethod { - checksum_method, ///< Use file checksum - timestamp_method ///< Use timestamp, and checksum if timestamp has changed + enum ExportStatus { + // export + ExportSuccess, + ExportCancel, + ExportError, + ExportNoPathToFormat, + ExportTexPathHasSpaces, + ExportConverterError, + // preview + // Implies ExportSuccess. + PreviewSuccess, + // The exported file exists but there was an error when opening + // it in a viewer. + PreviewError }; /// @@ -150,8 +157,11 @@ public: /// Destructor ~Buffer(); - /// - Buffer * clone() const; + /// Clones the entire structure of which this Buffer is part, starting + /// with the master and cloning all the children, too. + Buffer * cloneFromMaster() const; + /// Just clones this single Buffer. For autosave. + Buffer * cloneBufferOnly() const; /// bool isClone() const; @@ -183,9 +193,9 @@ public: /// Renames and saves the buffer bool saveAs(support::FileName const & fn); - /// Write document to stream. Returns \c false if unsuccesful. + /// Write document to stream. Returns \c false if unsuccessful. bool write(std::ostream &) const; - /// Write file. Returns \c false if unsuccesful. + /// Write file. Returns \c false if unsuccessful. bool writeFile(support::FileName const &) const; /// \name Functions involved in reading files/strings. @@ -201,6 +211,10 @@ public: /// emergency or autosave files, one should use \c loadLyXFile. /// /sa loadLyXFile ReadStatus loadThisLyXFile(support::FileName const & fn); + /// import a new document from a string + bool importString(std::string const &, docstring const &, ErrorList &); + /// import a new file + bool importFile(std::string const &, support::FileName const &, ErrorList &); /// read a new document from a string bool readString(std::string const &); /// Reloads the LyX file @@ -210,9 +224,15 @@ public: /// read the header, returns number of unknown tokens int readHeader(Lexer & lex); + double fontScalingFactor() const; + private: - /// save timestamp and checksum of the given file. - void saveCheckSum() const; + /// + typedef std::map BufferMap; + /// + void cloneWithChildren(BufferMap &, CloneList *) const; + /// save checksum of the given file. + void saveCheckSum() const; /// read a new file ReadStatus readFile(support::FileName const & fn); /// Reads a file without header. @@ -220,26 +240,27 @@ private: /// \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. + /// before reading if the file cannot be found. /// \sa LyXVC::file_not_found_hook ReadStatus extractFromVC(); - /// Reads the first tag of a LyX File and + /// 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, + ReadStatus convertLyXFormat(support::FileName const & fn, support::FileName & tmpfile, int from_format); + /// get appropriate name for backing up files from older versions + support::FileName getBackupName() const; //@} public: /// \name Functions involved in autosave and emergency files. //@{ /// Save an autosave file to #filename.lyx# - bool autoSave() const; + bool autoSave() const; /// save emergency file /// \return a status message towards the user. docstring emergencyWrite(); @@ -248,11 +269,11 @@ public: //private: /// void removeAutosaveFile() const; - + private: /// Try to load an autosave file associated to \c fn. ReadStatus loadAutosave(); - /// Try to load an emergency file associated to \c fn. + /// Try to load an emergency file associated to \c fn. ReadStatus loadEmergency(); /// Get the filename of the emergency file associated with the Buffer support::FileName getEmergencyFileName() const; @@ -266,12 +287,19 @@ public: /// Fill in the ErrorList with the TeXErrors void bufferErrors(TeXErrors const &, ErrorList &) const; + enum OutputWhat { + FullSource, + OnlyBody, + IncludedFile, + OnlyPreamble, + CurrentParagraph + }; + /// Just a wrapper for writeLaTeXSource, first creating the ofstream. bool makeLaTeXFile(support::FileName const & filename, std::string const & original_path, OutputParams const &, - bool output_preamble = true, - bool output_body = true) const; + OutputWhat output = FullSource) const; /** Export the buffer to LaTeX. If \p os is a file stream, and params().inputenc is "auto" or "default", and the buffer contains text in different languages @@ -280,39 +308,39 @@ public: method with a string stream if the output is supposed to go to a file. \code ofdocstream ofs; + otexstream os(ofs); ofs.open("test.tex"); - writeLaTeXSource(ofs, ...); + writeLaTeXSource(os, ...); ofs.close(); \endcode is NOT equivalent to \code odocstringstream oss; - writeLaTeXSource(oss, ...); + otexstream os(oss); + writeLaTeXSource(os, ...); ofdocstream ofs; ofs.open("test.tex"); ofs << oss.str(); ofs.close(); \endcode */ - void writeLaTeXSource(odocstream & os, + void writeLaTeXSource(otexstream & os, std::string const & original_path, OutputParams const &, - bool output_preamble = true, - bool output_body = true) const; + OutputWhat output = FullSource) const; /// void makeDocBookFile(support::FileName const & filename, OutputParams const & runparams_in, - bool only_body = false) const; + OutputWhat output = FullSource) const; /// void writeDocBookSource(odocstream & os, std::string const & filename, OutputParams const & runparams_in, - bool only_body = false) const; + OutputWhat output = FullSource) const; /// void makeLyXHTMLFile(support::FileName const & filename, - OutputParams const & runparams_in, - bool only_body = false) const; + OutputParams const & runparams_in) const; /// void writeLyXHTMLSource(odocstream & os, OutputParams const & runparams_in, - bool only_body = false) const; + OutputWhat output = FullSource) const; /// returns the main language for the buffer (document) Language const * language() const; /// get l10n translated to the buffers language @@ -325,8 +353,15 @@ public: /// bool isDepClean(std::string const & name) const; - /// whether or not disk file has been externally modified - bool isExternallyModified(CheckMethod method) const; + /// Whether or not disk file has been externally modified. Uses a checksum + /// which is accurate but slow, which can be a problem when it is frequently + /// used, or used for a large file on a slow (network) file system. + bool isChecksumModified() const; + + /// Flag set by the FileSystemWatcher. + /// Fast but (not so) inaccurate, can be cleared by the user. + bool notifiesExternalModification() const; + void clearExternalModification() const; /// mark the main lyx file as not needing saving void markClean() const; @@ -347,6 +382,8 @@ public: /// automatically saved, nor it needs to trigger any "do you want to save ?" question. bool isInternal() const; + void setInternal(bool flag); + /// Mark this buffer as dirty. void markDirty(); @@ -356,10 +393,43 @@ public: /// Returns the buffer's filename. It is always an absolute path. std::string absFileName() const; - /// Returns the the path where the buffer lives. + /// Returns the path where the buffer lives. /// It is always an absolute path. std::string filePath() const; + /** Contructs a file name of a referenced file (child doc, included graphics etc). + * Absolute names are returned as is. If the name is relative, it is + * interpreted relative to filePath() if the file exists, otherwise + * relative to the original path where the document was last saved. + * The original path may be different from filePath() if the document was + * later manually moved to a different location. + */ + support::DocFileName getReferencedFileName(std::string const & fn) const; + + /// Format a file name for LaTeX output (absolute or relative or filename only, + /// depending on file and context) + std::string const prepareFileNameForLaTeX(std::string const &, + std::string const &, bool nice) const; + + /** Returns a vector of bibliography (*.bib) file paths suitable for the + * output in the respective BibTeX/Biblatex macro + */ + std::vector const prepareBibFilePaths(OutputParams const &, + support::FileNamePairList const bibfilelist, + bool const extension = true) const; + + /** Returns the path where a local layout file lives. + * An empty string is returned for standard system and user layouts. + * If possible, it is always relative to the buffer path. + */ + std::string layoutPos() const; + + /** Set the path to a local layout file. + * This must be an absolute path but, if possible, it is always + * stored as relative to the buffer path. + */ + void setLayoutPos(std::string const & path); + /** A transformed version of the file name, adequate for LaTeX. \param no_path optional if \c true then the path is stripped. */ @@ -379,15 +449,15 @@ public: /// \return true if \p child is a child of this \c Buffer. bool isChild(Buffer * child) 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. @@ -401,19 +471,16 @@ public: /// thing from whichever Buffer it is called. ListOfBuffers allRelatives() const; - /// Is buffer read-only? + /// Is buffer read-only? True if it has either the read-only flag or the + /// externally modified flag. bool isReadonly() const; + /// Does the buffer have the read-only flag? + bool hasReadonlyFlag() const; + /// Set buffer read-only flag void setReadonly(bool flag = true); - /// returns \c true if the buffer contains a LaTeX document - bool isLatex() const; - /// returns \c true if the buffer contains a DocBook document - bool isDocBook() const; - /// returns \c true if the buffer contains a Wed document - bool isLiterate() const; - /** Validate a buffer for LaTeX. This validates the buffer, and returns a struct for use by #makeLaTeX# and others. Its main use is to figure out what @@ -426,7 +493,7 @@ public: void validate(LaTeXFeatures &) const; /// Reference information is cached in the Buffer, so we do not - /// have to check or read things over and over. + /// have to check or read things over and over. /// /// There are two caches. /// @@ -434,11 +501,11 @@ public: /// being gathered. This cache is PER BUFFER, and the cache for the /// master essentially includes the cache for its children. This gets /// invalidated when an InsetBibtex is created, deleted, or modified. - /// + /// /// The other is a cache of the reference information itself. This /// exists only in the master buffer, and when it needs to be updated, /// the children add their information to the master's cache. - + /// Calling this method invalidates the cache and so requires a /// re-read. void invalidateBibinfoCache() const; @@ -459,8 +526,15 @@ public: /// add a single piece of bibliography info to our cache void addBibTeXInfo(docstring const & key, BibTeXInfo const & bi) const; /// + void makeCitationLabels() const; + /// + bool citeLabelsValid() const; + /// void getLabelList(std::vector &) const; + /// This removes the .aux and .bbl files from the temp dir. + void removeBiblioTempFiles() const; + /// void changeLanguage(Language const * from, Language const * to); @@ -472,6 +546,8 @@ public: /// BufferParams & params(); BufferParams const & params() const; + /// + BufferParams const & masterParams() const; /** The list of paragraphs. This is a linked list of paragraph, this list holds the @@ -511,10 +587,14 @@ public: /// Set by buffer_funcs' newFile. void setFullyLoaded(bool); + /// FIXME: Needed by RenderPreview. + graphics::PreviewLoader * loader() const; /// Update the LaTeX preview snippets associated with this buffer void updatePreviews() const; /// Remove any previewed LaTeX snippets associated with this buffer void removePreviews() const; + /// + graphics::Cache & graphicsCache() const; /// Our main text (inside the top InsetText) Text & text() const; @@ -528,7 +608,7 @@ public: /// Collect macro definitions in paragraphs void updateMacros() const; /// Iterate through the whole buffer and try to resolve macros - void updateMacroInstances() const; + void updateMacroInstances(UpdateType) const; /// List macro names of this buffer, the parent and the children void listMacroNames(MacroNameSet & macros) const; @@ -544,17 +624,18 @@ public: /// Collect user macro names at loading time typedef std::set UserMacroSet; - UserMacroSet usermacros; + mutable UserMacroSet usermacros; /// Replace the inset contents for insets which InsetCode is equal /// to the passed \p inset_code. - void changeRefsIfUnique(docstring const & from, docstring const & to, - InsetCode code); + void changeRefsIfUnique(docstring const & from, docstring const & to); /// get source code (latex/docbook) for some paragraphs, or all paragraphs /// including preamble - void getSourceCode(odocstream & os, std::string const format, - pit_type par_begin, pit_type par_end, bool full_source) const; + /// returns nullptr if Id to Row conversion is unsupported + unique_ptr getSourceCode(odocstream & os, + std::string const & format, pit_type par_begin, + pit_type par_end, OutputWhat output, bool master) const; /// Access to error list. /// This method is used only for GUI visualisation of Buffer related @@ -596,41 +677,43 @@ public: /// bool hasGuiDelegate() const; - - - /// return the format of the buffer on a string - std::string bufferFormat() const; - /// return the default output format of the current backend - std::string getDefaultOutputFormat() const; - /// return the output flavor of \p format or the default - OutputParams::FLAVOR getOutputFlavor( - std::string const format = std::string()) const; + /// + ExportStatus doExport(std::string const & target, bool put_in_tempdir) const; + /// Export buffer to format \p format and open the result in a suitable viewer. + /// Note: This has nothing to do with preview of graphics or math formulas. + ExportStatus preview(std::string const & format) const; + /// true if there was a previous preview this session of this buffer and + /// there was an error on the previous preview of this buffer. + bool lastPreviewError() const; +private: /// - bool doExport(std::string const & format, bool put_in_tempdir, + ExportStatus doExport(std::string const & target, bool put_in_tempdir, + std::string & result_file) const; + /// target is a format name optionally followed by a space + /// and a destination file-name + ExportStatus doExport(std::string const & target, bool put_in_tempdir, bool includeall, std::string & result_file) const; /// - bool doExport(std::string const & format, bool put_in_tempdir, - bool includeall = false) const; - /// - bool preview(std::string const & format, bool includeall = false) const; - /// - bool isExportable(std::string const & format) const; + ExportStatus preview(std::string const & format, bool includeall) const; /// - std::vector exportableFormats(bool only_viewable) const; - /// - bool isExportableFormat(std::string const & format) const; - /// mark the buffer as busy exporting something, or not - void setExportStatus(bool e) const; + void setMathFlavor(OutputParams & op) const; + +public: /// bool isExporting() const; /// typedef std::vector > References; - References & references(docstring const & label); + /// References const & references(docstring const & label) const; + /// + void addReference(docstring const & label, Inset * inset, ParIterator it); + /// void clearReferenceCache() const; + /// void setInsetLabel(docstring const & label, InsetLabel const * il); + /// InsetLabel const * insetLabel(docstring const & label) const; /// return a list of all used branches (also in children) @@ -648,7 +731,7 @@ public: /// do this one. /// \param output: whether we are preparing for output. void updateBuffer(UpdateScope scope, UpdateType utype) const; - /// + /// void updateBuffer(ParIterator & parit, UpdateType utype) const; /// Spellcheck starting from \p from. @@ -661,17 +744,47 @@ public: WordLangTuple & word_lang, docstring_list & suggestions) const; /// void checkChildBuffers(); + /// + void checkMasterBuffer(); + + /// If the document is being saved to a new location and the named file + /// exists at the old location, return its updated path relative to the + /// new buffer path if possible, otherwise return its absolute path. + /// In all other cases, this is a no-op and name is returned unchanged. + /// If a non-empty ext is given, the existence of name.ext is checked + /// but the returned path will not contain this extension. + /// Similarly, when loading a document that was moved from the location + /// where it was saved, return the correct path relative to the new + /// location. + std::string includedFilePath(std::string const & name, + std::string const & ext = empty_string()) const; + + /// compute statistics between \p from and \p to + /// \p from initial position + /// \p to points to the end position + /// \p skipNoOutput if notes etc. should be ignored + void updateStatistics(DocIterator & from, DocIterator & to, + bool skipNoOutput = true) const; + /// statistics accessor functions + int wordCount() const; + int charCount(bool with_blanks) const; + + // this is const because it does not modify the buffer's real contents, + // only the mutable flag. + void setChangesPresent(bool) const; + bool areChangesPresent() const; + void updateChangesPresent() const; private: + friend class MarkAsExporting; + /// mark the buffer as busy exporting something, or not + void setExportStatus(bool e) const; + + /// + References & getReferenceCache(docstring const & label); /// Change name of buffer. Updates "read-only" flag. void setFileName(support::FileName const & fname); /// - std::vector backends() const; - /// A cache for the default flavors - typedef std::map DefaultFlavorCache; - /// - mutable DefaultFlavorCache default_flavors_; - /// void getLanguages(std::set &) const; /// Checks whether any of the referenced bibfiles have changed since the /// last time we loaded the cache. Note that this does NOT update the @@ -682,12 +795,15 @@ private: void updateBibfilesCache(UpdateScope scope = UpdateMaster) const; /// Return the list with all bibfiles in use (including bibfiles /// of loaded child documents). - support::FileNameList const & + support::FileNamePairList const & getBibfilesCache(UpdateScope scope = UpdateMaster) const; /// void collectChildren(ListOfBuffers & children, bool grand_children) const; - + /// noncopyable + Buffer(Buffer const &); + void operator=(Buffer const &); + /// Use the Pimpl idiom to hide the internals. class Impl; /// The pointer never changes although *pimpl_'s contents may. @@ -695,6 +811,25 @@ private: }; +/// Helper class, to guarantee that the export status +/// gets reset properly. To use, simply create a local variable: +/// MarkAsExporting mex(bufptr); +/// and leave the rest to us. +class MarkAsExporting { +public: + MarkAsExporting(Buffer const * buf) : buf_(buf) + { + buf_->setExportStatus(true); + } + ~MarkAsExporting() + { + buf_->setExportStatus(false); + } +private: + Buffer const * const buf_; +}; + + } // namespace lyx #endif