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150 lines
4.3 KiB
C++
150 lines
4.3 KiB
C++
// -*- C++ -*-
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/**
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* \file LayoutFile.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author Richard Heck (typedefs and such)
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef BASECLASSLIST_H
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#define BASECLASSLIST_H
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#include "LayoutModuleList.h"
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#include "TextClass.h"
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#include "support/strfwd.h"
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#include <string>
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#include <vector>
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namespace lyx {
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class Layout;
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/// Index into LayoutFileList. Basically a 'strong typedef'.
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class LayoutFileIndex {
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public:
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///
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typedef std::string base_type;
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///
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LayoutFileIndex(base_type const & t) : data_(t) { }
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///
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operator base_type() const { return data_; }
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///
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bool empty() const { return data_.empty(); }
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private:
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base_type data_;
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};
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/// This class amounts to little more than a `strong typedef'.
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///
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/// A LayoutFile represents the layout information that is
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/// contained in a *.layout file.
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///
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/// No document- (that is, Buffer-) specific information should
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/// be placed in these objects. They are used as the basis for
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/// constructing DocumentClass objects, which are what represent
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/// the layout information associated with a Buffer. (This is also
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/// a subclass of TextClass, implemented in TextClass.{h,cpp}.)
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/// Buffer-specific information should therefore be placed in a
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/// DocumentClass object.
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///
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class LayoutFile : public TextClass {
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public:
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/// check whether the TeX class is available
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bool isTeXClassAvailable() const { return tex_class_avail_; }
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///
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LayoutModuleList const & defaultModules() const
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{ return default_modules_; }
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///
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LayoutModuleList const & providedModules() const
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{ return provided_modules_; }
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///
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LayoutModuleList const & excludedModules() const
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{ return excluded_modules_; }
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private:
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/// noncopyable
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LayoutFile(LayoutFile const &);
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void operator=(LayoutFile const &);
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/// Construct a layout with default values. Actual values loaded later.
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explicit LayoutFile(std::string const & filename,
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std::string const & className = std::string(),
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std::string const & description = std::string(),
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std::string const & prerequisites = std::string(),
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std::string const & category = std::string(),
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bool texclassavail = false);
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/// The only class that should create a LayoutFile is
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/// LayoutFileList, which calls the private constructor.
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friend class LayoutFileList;
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/// can't create empty LayoutFile
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LayoutFile() {}
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};
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/// A list of base document classes (*.layout files).
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/// This is a singleton class. The sole instance is accessed
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/// via LayoutFileList::get()
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class LayoutFileList {
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public:
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///
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~LayoutFileList();
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/// \return The sole instance of this class.
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static LayoutFileList & get();
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///
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bool empty() const { return classmap_.empty(); }
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///
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bool haveClass(std::string const & classname) const;
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/// Note that this will assert if we don't have classname, so
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/// check via haveClass() first.
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LayoutFile const & operator[](std::string const & classname) const;
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/// Note that this will assert if we don't have classname, so
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/// check via haveClass() first.
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LayoutFile & operator[](std::string const & classname);
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/// Read textclass list. Returns false if this fails.
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bool read();
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/// Clears the textclass so as to force it to be reloaded
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void reset(LayoutFileIndex const & tc);
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/// Add a default textclass with all standard layouts.
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/// Note that this will over-write any information we may have
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/// gotten from textclass.lst about this class.
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LayoutFileIndex addEmptyClass(std::string const & textclass);
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/// add a textclass from user local directory.
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/// \return the identifier for the loaded file, or else an
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/// empty string if no file was loaded.
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LayoutFileIndex addLocalLayout(std::string const & textclass,
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std::string const & path,
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std::string const & oldpath = empty_string());
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/// a list of the available classes
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std::vector<LayoutFileIndex> classList() const;
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///
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bool load(std::string const & name, std::string const & buf_path);
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private:
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///
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LayoutFileList() {}
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///
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typedef std::map<std::string, LayoutFile *> ClassMap;
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/// noncopyable
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LayoutFileList(LayoutFileList const &);
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/// nonassignable
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void operator=(LayoutFileList const &);
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///
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mutable ClassMap classmap_; //FIXME
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};
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///
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LayoutFileIndex defaultBaseclass();
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} // namespace lyx
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#endif
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