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Adjust format and comments in src/EmbeddedFiles.*
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23687 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -128,10 +128,8 @@ void EmbeddedFile::enable(bool flag, Buffer const * buf, bool updateFile)
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temp_path_ = buf->temppath();
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if (!suffixIs(temp_path_, '/'))
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temp_path_ += '/';
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if (embedded()) {
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if (updateFile)
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updateFromExternalFile();
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}
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if (embedded() && updateFile)
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updateFromExternalFile();
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} else {
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if (embedded() && updateFile)
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extract();
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@ -153,11 +151,10 @@ bool EmbeddedFile::extract() const
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if (!emb.exists()) {
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if (ext.exists())
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return true;
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else
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throw ExceptionMessage(ErrorException, _("Failed to extract file"),
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bformat(_("Cannot extract file '%1$s'.\n"
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"Source file %2$s does not exist"),
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from_utf8(outputFilename()), from_utf8(emb_file)));
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throw ExceptionMessage(ErrorException, _("Failed to extract file"),
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bformat(_("Cannot extract file '%1$s'.\n"
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"Source file %2$s does not exist"),
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from_utf8(outputFilename()), from_utf8(emb_file)));
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}
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// if external file already exists ...
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@ -556,10 +553,9 @@ bool EmbeddedFileList::writeFile(DocFileName const & filename, Buffer const & bu
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// copy file back
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if (!zipfile.copyTo(filename)) {
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Alert::error(_("Save failure"),
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bformat(_("Cannot create file %1$s.\n"
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bformat(_("Cannot create file %1$s.\n"
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"Please check whether the directory exists and is writeable."),
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from_utf8(filename.absFilename())));
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//LYXERR(Debug::DEBUG, "Fs error: " << fe.what());
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}
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return true;
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}
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@ -20,7 +20,7 @@
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/**
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This file, and the embedding dialog implemented in src/frontends, implements
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This file, and the embed checkbox in dialogs of InsetGraphics etc, implements
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an 'Embedded Files' feature of lyx.
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@ -32,11 +32,10 @@ format is used when Document->Save in bundled format is selected.
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2. Embedded file.lyx file is a zip file, with content.lyx and embedded files.
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3. The embedding status of embedded files can be set at the inset level,
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or from Document->Settings->Embedded Files.
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3. The embedding status of embedded files are set from individual insets.
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4. Extra files such as .cls and .layout can be embedded from Document->
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Settings->Embedded Files->Extra Files.
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Settings->Embedded Files->Extra Embedded Files.
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5. When Document->Save in bundled format is selected, all embedded files
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become bundled. Changes to the external version of this file does not
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@ -54,13 +53,10 @@ of .lyx file and better use of version control systems.
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b. The embedded way. Figures etc are inserted to .lyx file and will
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be embedded. These embedded files can be viewed or edited through
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the embedding dialog. This file can be shared with others more
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easily.
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easily.
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Format a and b can be converted easily, by packing/unpacking a .lyx file.
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NOTE: With current implementation, files with absolute filenames (not in
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or deeper under the current document directory) can not be embedded.
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Implementation:
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======================
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@ -72,7 +68,7 @@ EmbeddedFiles::update(), Inset::registerEmbeddedFiles()).
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3. When a lyx file file.lyx is saved, it is save to tmppath()/content.lyx
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first. Embedded files are compressed along with content.lyx.
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If embedding is disabled, file.lyx is saved in the usual pure-text form.
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If embedding is disabled, file.lyx is saved in the usual pure-text format.
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(c.f. Buffer::writeFile(), EmbeddedFiles::writeFile())
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4. When a lyx file.lyx file is opened, if it is a zip file, it is
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@ -104,12 +100,14 @@ public:
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/// set filename and inzipName.
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/**
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* NOTE: inzip_name_ is not unique across operation systems and is not
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* guaranteed to be the same across different versions of lyx.
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* inzip_name_ will be saved to the lyx file, and is used to indicate
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* guaranteed to be the same across different versions of LyX.
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* inzip_name_ will be saved to the LyX file, and is used to indicate
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* whether or not a file is embedded, and where the embedded file is in
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* the bundled file. However, the embedded file will be renamed to the
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* name set here when an EmbeddedFile is enabled. It is therefore
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* safe to change the naming scheme here.
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* the bundled file. When a file is read, the stored inzip names are used
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* at first. EmbeddedFiles::validate() will then scan these embedded files
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* and update their inzip name, moving bundled files around if needed.
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* This scheme has the advantage that it is safe to change how inzip files
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* are saved in a bundled file.
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*
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* NOTE that this treatment does not welcome an UUID solution because
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* all embedded files will have to be renamed when an embedded file is
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@ -119,12 +117,11 @@ public:
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**/
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void set(std::string const & filename, std::string const & buffer_path);
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/** Set the inzip name of an EmbeddedFile, which should be the name
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* of an actual embedded file on disk. When an EmbeddedFile is enabled,
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* this file will be renamed to the default inzipName if needed.
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* of an actual embedded file on disk.
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*/
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void setInzipName(std::string const & name);
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/// filename in the zip file, which is the relative path
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/// filename in the zip file, which is related to buffer temp directory.
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std::string inzipName() const { return inzip_name_; }
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/// embedded file, equals to temppath()/inzipName()
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@ -132,11 +129,12 @@ public:
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/// embeddedFile() or absFilename() depending on embedding status
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/// and whether or not embedding is enabled.
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FileName availableFile() const;
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///
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/// relative file name or inzipName()
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std::string latexFilename(std::string const & buffer_path) const;
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/// add an inset that refers to this file
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void addInset(Inset const * inset);
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/// clear all isnets that associated with this file.
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void clearInsets() const { inset_list_.clear(); }
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/// embedding status of this file
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@ -145,6 +143,13 @@ public:
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void setEmbed(bool embed);
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/// whether or not embedding is enabled in the current buffer
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/**
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* An embedded file needs to know the temp path of a buffer to know
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* where its embedded copy is. This has to be stored within EmbeddedFile
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* because this class is often used when Buffer is unavailable. However,
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* when an embedded file is copied to another buffer, temp_path_ has
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* to be updated and file copying may be needed.
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*/
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bool enabled() const { return temp_path_ != ""; }
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/// enable embedding of this file
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void enable(bool flag, Buffer const * buf, bool updateFile);
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@ -156,9 +161,7 @@ public:
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///
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/// After the embedding status is changed, update all insets related
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/// to this file item. For example, a graphic inset may need to monitor
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/// embedded file instead of external file. To make sure inset pointers
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/// are up to date, please make sure there is no modification to the
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/// document between EmbeddedFiles::update() and this function.
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/// embedded file instead of external file.
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void updateInsets() const;
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/// Check readability of availableFile
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@ -169,7 +172,7 @@ public:
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// calculate inzip_name_ from filename
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std::string calcInzipName(std::string const & buffer_path);
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// move an embedded disk file with an existing inzip_name_ to
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// an calculated inzip_name_
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// a calculated inzip_name_, if they differ.
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void syncInzipFile(std::string const & buffer_path);
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private:
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