#define TEXTCLASS_H
#include "ColorCode.h"
+#include "Counters.h"
+#include "FloatList.h"
#include "FontInfo.h"
+#include "Layout.h"
#include "LayoutEnums.h"
-#include "LayoutPtr.h"
+#include "LayoutModuleList.h"
#include "insets/InsetLayout.h"
#include "support/docstring.h"
#include "support/types.h"
-#include <boost/shared_ptr.hpp>
+#include <boost/noncopyable.hpp>
-#include <list>
#include <map>
#include <set>
#include <vector>
+#include <list>
namespace lyx {
class LayoutFile;
class Lexer;
+/// Based upon ideas in boost::noncopyable, inheriting from this
+/// class effectively makes the copy constructor protected but the
+/// assignment constructor private.
+class ProtectCopy
+{
+protected:
+ ProtectCopy() {}
+ ~ProtectCopy() {}
+ ProtectCopy(const ProtectCopy &) {};
+private:
+ const ProtectCopy & operator=(const ProtectCopy &);
+};
+
/// A TextClass represents a collection of layout information: At the
/// moment, this includes Layout's and InsetLayout's.
/// Simple TextClass objects are not directly constructed in the main
/// LyX code---the constructor is protected. (That said, in tex2lyx
/// there are what amount to simple TextClass objects.)
-class TextClass {
+///
+/// A LayoutFile (see LayoutFile.{h,cpp}) represents a *.layout file.
+/// These are generally static objects---though they can be reloaded
+/// from disk via LFUN_LAYOUT_RELOAD, so one should not assume that
+/// they will never change.
+///
+/// A DocumentClass (see below) represents the layout information that
+/// is associated with a given Buffer. These are static, in the sense
+/// that they will not themselves change, but which DocumentClass is
+/// associated with a Buffer can change, as modules are loaded and
+/// unloaded, for example.
+///
+class TextClass : protected ProtectCopy {
public:
///
virtual ~TextClass() {};
// typedefs
///////////////////////////////////////////////////////////////////
/// The individual paragraph layouts comprising the document class
- typedef std::vector<LayoutPtr> LayoutList;
+ // NOTE Do NOT try to make this a container of Layout pointers, e.g.,
+ // std::vector<Layout *>. This will lead to problems. The reason is
+ // that DocumentClass objects are generally created by copying a
+ // LayoutFile, which serves as a base for the DocumentClass. If the
+ // LayoutList is a container of pointers, then every DocumentClass
+ // that derives from a given LayoutFile (e.g., article) will SHARE
+ // a basic set of layouts. So if one Buffer were to modify a layout
+ // (say, Standard), that would modify that layout for EVERY Buffer
+ // that was based upon the same DocumentClass. (Of course, if you
+ // really, REALLY want to make LayoutList a vector<Layout *>, then
+ // you can implement custom assignment and copy constructors.)
+ //
+ // NOTE: Layout pointers are directly assigned to paragraphs so a
+ // container that does not invalidate these pointers after insertion
+ // is needed.
+ typedef std::list<Layout> LayoutList;
/// The inset layouts available to this class
typedef std::map<docstring, InsetLayout> InsetLayouts;
+ ///
+ typedef LayoutList::const_iterator const_iterator;
+
+ ///////////////////////////////////////////////////////////////////
+ // Iterators
+ ///////////////////////////////////////////////////////////////////
+ ///
+ const_iterator begin() const { return layoutlist_.begin(); }
+ ///
+ const_iterator end() const { return layoutlist_.end(); }
+
///////////////////////////////////////////////////////////////////
// Layout Info
///////////////////////////////////////////////////////////////////
///
- LayoutPtr const & defaultLayout() const;
+ Layout const & defaultLayout() const;
///
docstring const & defaultLayoutName() const;
+ ///
+ bool isDefaultLayout(Layout const &) const;
+ ///
+ bool isPlainLayout(Layout const &) const;
/// returns a special layout for use when we don't really want one,
/// e.g., in table cells
- LayoutPtr const & emptyLayout() const
- { return operator[](emptylayout_); };
- /// the name of the empty layout
- docstring const & emptyLayoutName() const
- { return emptylayout_; }
+ Layout const & plainLayout() const
+ { return operator[](plain_layout_); };
+ /// the name of the plain layout
+ docstring const & plainLayoutName() const
+ { return plain_layout_; }
/// Enumerate the paragraph styles.
size_t layoutCount() const { return layoutlist_.size(); }
- /// Access the paragraph styles.
- LayoutPtr const & layout(size_t index) const { return layoutlist_[index]; }
///
bool hasLayout(docstring const & name) const;
///
- LayoutPtr const & operator[](docstring const & vname) const;
+ bool hasInsetLayout(docstring const & name) const;
+ ///
+ Layout const & operator[](docstring const & vname) const;
+ /// Inset layouts of this doc class
+ InsetLayouts const & insetLayouts() const { return insetlayoutlist_; };
///////////////////////////////////////////////////////////////////
// reading routines
enum ReadType {
BASECLASS, //>This is a base class, i.e., top-level layout file
MERGE, //>This is a file included in a layout file
- MODULE //>This is a layout module
+ MODULE, //>This is a layout module
+ VALIDATION //>We're just validating
};
+ /// return values for read()
+ enum ReturnValues {
+ OK,
+ ERROR,
+ FORMAT_MISMATCH
+ };
+
/// Performs the read of the layout file.
/// \return true on success.
bool read(support::FileName const & filename, ReadType rt = BASECLASS);
+ ///
+ bool read(std::string const & str, ReadType rt = BASECLASS);
+ ///
+ ReturnValues read(Lexer & lex, ReadType rt = BASECLASS);
+ /// validates the layout information passed in str
+ static bool validate(std::string const & str);
///////////////////////////////////////////////////////////////////
// loading
///////////////////////////////////////////////////////////////////
/// Sees to it the textclass structure has been loaded
+ /// This function will search for $classname.layout in default directories
+ /// and an optional path, but if path points to a file, it will be loaded
+ /// directly.
bool load(std::string const & path = std::string()) const;
/// Has this layout file been loaded yet?
/// Overridden by DocumentClass
// accessors
///////////////////////////////////////////////////////////////////
///
- std::string const & name() const { return name_; };
+ std::string const & name() const { return name_; }
///
- std::string const & description() const { return description_; };
+ std::string const & description() const { return description_; }
///
std::string const & latexname() const { return latexname_; }
+ /// Can be LaTeX, DocBook, etc.
+ OutputType outputType() const { return outputType_; }
protected:
/// Protect construction
TextClass();
+ ///
+ Layout & operator[](docstring const & name);
+ /** Create an new, very basic layout for this textclass. This is used for
+ the Plain Layout common to all TextClass objects and also, in
+ DocumentClass, for the creation of new layouts `on the fly' when
+ previously unknown layouts are encountered.
+ \param unknown Set to true if this layout is used to represent an
+ unknown layout
+ */
+ Layout createBasicLayout(docstring const & name, bool unknown = false) const;
+
+ ///////////////////////////////////////////////////////////////////
+ // non-const iterators
+ ///////////////////////////////////////////////////////////////////
+ ///
+ typedef LayoutList::iterator iterator;
+ ///
+ iterator begin() { return layoutlist_.begin(); }
+ ///
+ iterator end() { return layoutlist_.end(); }
+
///////////////////////////////////////////////////////////////////
// members
///////////////////////////////////////////////////////////////////
/// Paragraph styles used in this layout
- LayoutList layoutlist_;
+ /// This variable is mutable because unknown layouts can be added
+ /// to const textclass.
+ mutable LayoutList layoutlist_;
/// Layout file name
std::string name_;
/// document class name
/// document class description
std::string description_;
/// available types of float, eg. figure, algorithm.
- boost::shared_ptr<FloatList> floatlist_;
+ mutable FloatList floatlist_;
/// Types of counters, eg. sections, eqns, figures, avail. in document class.
- boost::shared_ptr<Counters> counters_;
+ mutable Counters counters_;
/// Has this layout file been loaded yet?
mutable bool loaded_;
/// Is the TeX class available?
std::string class_header_;
///
docstring defaultlayout_;
- /// name of empty layout
- static const docstring emptylayout_;
+ /// name of plain layout
+ static const docstring plain_layout_;
/// preamble text to support layout styles
docstring preamble_;
/// latex packages loaded by document class.
std::set<std::string> provides_;
/// latex packages requested by document class.
std::set<std::string> requires_;
+ /// default modules wanted by document class
+ LayoutModuleList default_modules_;
+ /// modules provided by document class
+ LayoutModuleList provided_modules_;
+ /// modules excluded by document class
+ LayoutModuleList excluded_modules_;
///
unsigned int columns_;
///
/// The name of the title command
std::string titlename_;
/// Input layouts available to this layout
- mutable InsetLayouts insetlayoutlist_;
+ InsetLayouts insetlayoutlist_;
/// The minimal TocLevel of sectioning layouts
int min_toclevel_;
/// The maximal TocLevel of sectioning layouts
///////////////////////////////////////////////////////////////////
///
bool deleteLayout(docstring const &);
+ ///
+ bool convertLayoutFormat(support::FileName const &, ReadType);
+ /// Reads the layout file without running layout2layout.
+ ReturnValues readWithoutConv(support::FileName const & filename, ReadType rt);
/// \return true for success.
- bool readStyle(Lexer &, Layout &);
+ bool readStyle(Lexer &, Layout &) const;
///
void readOutputType(Lexer &);
///
void readCharStyle(Lexer &, std::string const &);
///
void readFloat(Lexer &);
- ///
- void readCounter(Lexer &);
};
/// A DocumentClass represents the layout information associated with a
/// Buffer. It is based upon a LayoutFile, but may be modified by loading
-/// various Modules. It is thus a dynamic object, as opposed to LayoutFile's
-/// which are pretty much static.
-///
+/// various Modules.
+///
+/// In that regard, DocumentClass objects are "dynamic". But this is really
+/// an illusion, since DocumentClass objects are not (currently) changed
+/// when, say, a new Module is loaded. Rather, the old DocumentClass is
+/// discarded---actually, it's kept around in case something on the cut
+/// stack needs it---and a new one is created from scratch.
+///
/// In the main LyX code, DocumentClass objects are created only by
/// DocumentClassBundle, for which see below.
-class DocumentClass : public TextClass {
+///
+class DocumentClass : public TextClass, boost::noncopyable {
public:
///
virtual ~DocumentClass() {}
bool hasLaTeXLayout(std::string const & lay) const;
/// A DocumentClass nevers count as loaded, since it is dynamic
virtual bool loaded() { return false; }
- /// Inset layouts of this doc class
- InsetLayouts & insetLayouts() const { return insetlayoutlist_; };
/// \return the layout object of an inset given by name. If the name
/// is not found as such, the part after the ':' is stripped off, and
/// searched again. In this way, an error fallback can be provided:
/// will invoke the layout object defined by name = 'CharStyle'.
/// If that doesn't work either, an empty object returns (shouldn't
/// happen). -- Idea JMarc, comment MV
- ///
InsetLayout const & insetLayout(docstring const & name) const;
- /// an empty inset layout for use as a default
- static InsetLayout const & emptyInsetLayout() { return empty_insetlayout_; }
+ /// a plain inset layout for use as a default
+ static InsetLayout const & plainInsetLayout() { return plain_insetlayout_; }
+ /// add a new layout \c name if it does not exist in layoutlist_
+ void addLayoutIfNeeded(docstring const & name) const;
///////////////////////////////////////////////////////////////////
// accessors
///////////////////////////////////////////////////////////////////
/// the list of floats defined in the document class
- FloatList & floats() { return *floatlist_.get(); }
- /// the list of floats defined in the document class
- FloatList const & floats() const { return *floatlist_.get(); }
- /// The Counters present in this document class.
- Counters & counters() const { return *counters_.get(); }
+ FloatList const & floats() const { return floatlist_; }
+ ///
+ Counters & counters() const { return counters_; }
///
std::string const & opt_fontsize() const { return opt_fontsize_; }
///
/// Constructs a DocumentClass based upon a LayoutFile.
DocumentClass(LayoutFile const & tc);
/// Needed in tex2lyx
- DocumentClass() {};
+ DocumentClass() {}
private:
/// The only class that can create a DocumentClass is
- /// DocumentClassBundle, which calls the private constructor.
+ /// DocumentClassBundle, which calls the protected constructor.
friend class DocumentClassBundle;
///
- static InsetLayout empty_insetlayout_;
+ static InsetLayout plain_insetlayout_;
};
///
/// This is a singleton class. Its sole instance is accessed via
/// DocumentClassBundle::get().
-class DocumentClassBundle {
+class DocumentClassBundle : boost::noncopyable {
public:
- /// \return Pointer to a new class equal to baseClass
- DocumentClass & newClass(LayoutFile const & baseClass);
/// \return The sole instance of this class.
static DocumentClassBundle & get();
+ /// \return A new DocumentClass based on baseClass, with info added
+ /// from the modules in modlist.
+ DocumentClass & makeDocumentClass(LayoutFile const & baseClass,
+ LayoutModuleList const & modlist);
private:
/// control instantiation
DocumentClassBundle() {}
- /// noncopyable
- DocumentClassBundle(DocumentClassBundle const &);
+ /// clean up
+ ~DocumentClassBundle();
+ /// \return Reference to a new DocumentClass equal to baseClass
+ DocumentClass & newClass(LayoutFile const & baseClass);
///
- std::list<DocumentClass> tc_list_;
+ std::vector<DocumentClass *> documentClasses_;
};
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