mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-27 11:52:25 +00:00
247 lines
8.4 KiB
C++
247 lines
8.4 KiB
C++
// -*- C++ -*-
|
|
/**
|
|
* \file Counters.h
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author Lars Gullik Bjønnes
|
|
* \author Jean-Marc Lasgouttes
|
|
* \author John Levon
|
|
* \author Martin Vermeer
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#ifndef COUNTERS_H
|
|
#define COUNTERS_H
|
|
|
|
#include "OutputEnums.h"
|
|
|
|
#include "support/docstring.h"
|
|
|
|
#include <map>
|
|
#include <vector>
|
|
|
|
|
|
namespace lyx {
|
|
|
|
class Layout;
|
|
class Lexer;
|
|
|
|
/// This represents a single counter.
|
|
class Counter {
|
|
public:
|
|
///
|
|
Counter();
|
|
///
|
|
Counter(docstring const & mc, docstring const & ls,
|
|
docstring const & lsa);
|
|
/// \return true on success
|
|
bool read(Lexer & lex);
|
|
///
|
|
void set(int v);
|
|
///
|
|
void addto(int v);
|
|
///
|
|
int value() const;
|
|
///
|
|
void step();
|
|
///
|
|
void reset();
|
|
/// Returns the master counter of this counter.
|
|
docstring const & master() const;
|
|
/// Checks if the master counter is cnt, and if so removes
|
|
/// it. This is used when a counter is deleted.
|
|
/// \return whether we removed the master.
|
|
bool checkAndRemoveMaster(docstring const & cnt);
|
|
/// Returns a LaTeX-like string to format the counter.
|
|
/** This is similar to what one gets in LaTeX when using
|
|
* "\the<counter>". The \c in_appendix bool tells whether we
|
|
* want the version shown in an appendix.
|
|
*/
|
|
docstring const & labelString(bool in_appendix) const;
|
|
/// Similar, but used for formatted references in XHTML output.
|
|
/// E.g., for a section counter it might be "section \thesection"
|
|
docstring const & prettyFormat() const { return prettyformat_; }
|
|
|
|
/// Returns a map of LaTeX-like strings to format the counter.
|
|
/** For each language, the string is similar to what one gets
|
|
* in LaTeX when using "\the<counter>". The \c in_appendix
|
|
* bool tells whether we want the version shown in an
|
|
* appendix. This version does not contain any \\the<counter>
|
|
* expression.
|
|
*/
|
|
typedef std::map<std::string, docstring> StringMap;
|
|
StringMap & flatLabelStrings(bool in_appendix) const;
|
|
private:
|
|
///
|
|
int value_;
|
|
/// This is actually one less than the initial value, since the
|
|
/// counter is always stepped before being used.
|
|
int initial_value_;
|
|
/// contains master counter name.
|
|
/** The master counter is the counter that, if stepped
|
|
* (incremented) zeroes this counter. E.g. "subsection"'s
|
|
* master is "section".
|
|
*/
|
|
docstring master_;
|
|
/// Contains a LaTeX-like string to format the counter.
|
|
docstring labelstring_;
|
|
/// The same as labelstring_, but in appendices.
|
|
docstring labelstringappendix_;
|
|
/// Similar, but used for formatted references in XHTML output
|
|
docstring prettyformat_;
|
|
/// Cache of the labelstring with \\the<counter> expressions expanded,
|
|
/// indexed by language
|
|
mutable StringMap flatlabelstring_;
|
|
/// Cache of the appendix labelstring with \\the<counter> expressions expanded,
|
|
/// indexed by language
|
|
mutable StringMap flatlabelstringappendix_;
|
|
};
|
|
|
|
|
|
/// This is a class of (La)TeX type counters.
|
|
/// Every instantiation is an array of counters of type Counter.
|
|
class Counters {
|
|
public:
|
|
/// NOTE Do not call this in an attempt to clear the counters.
|
|
/// That will wipe out all the information we have about them
|
|
/// from the document class (e.g., which ones are defined).
|
|
/// Instead, call Counters::reset().
|
|
Counters();
|
|
/// Add new counter newc having masterc as its master,
|
|
/// ls as its label, and lsa as its appendix label.
|
|
void newCounter(docstring const & newc,
|
|
docstring const & masterc,
|
|
docstring const & ls,
|
|
docstring const & lsa);
|
|
/// Checks whether the given counter exists.
|
|
bool hasCounter(docstring const & c) const;
|
|
/// reads the counter name
|
|
/// \param makeNew whether to make a new counter if one
|
|
/// doesn't already exist
|
|
/// \return true on success
|
|
bool read(Lexer & lex, docstring const & name, bool makenew);
|
|
///
|
|
void set(docstring const & ctr, int val);
|
|
///
|
|
void addto(docstring const & ctr, int val);
|
|
///
|
|
int value(docstring const & ctr) const;
|
|
/// Reset recursively all the counters that are slaves of the one named by \c ctr.
|
|
void resetSlaves(docstring const & ctr);
|
|
/// Increment by one master of counter named by \c ctr.
|
|
/// This also resets the counter named by \c ctr.
|
|
/// \param utype determines whether we track the counters.
|
|
void stepMaster(docstring const & ctr, UpdateType utype);
|
|
/// Increment by one counter named by \c ctr, and zeroes slave
|
|
/// counter(s) for which it is the master.
|
|
/// \param utype determines whether we track the counters.
|
|
void step(docstring const & ctr, UpdateType utype);
|
|
/// Reset all counters, and all the internal data structures
|
|
/// used for keeping track of their values.
|
|
void reset();
|
|
/// Reset counters matched by match string.
|
|
void reset(docstring const & match);
|
|
/// Remove counter \p cnt.
|
|
bool remove(docstring const & cnt);
|
|
/// Copy counters whose name matches match from the &from to
|
|
/// the &to array of counters. Empty string matches all.
|
|
void copy(Counters & from, Counters & to,
|
|
docstring const & match = docstring());
|
|
/** returns the expanded string representation of counter \c
|
|
* c. The \c lang code is used to translate the string.
|
|
*/
|
|
docstring theCounter(docstring const & c,
|
|
std::string const & lang) const;
|
|
/** Replace in \c format all the LaTeX-like macros that depend
|
|
* on counters. The \c lang code is used to translate the
|
|
* string.
|
|
*/
|
|
docstring counterLabel(docstring const & format,
|
|
std::string const & lang) const;
|
|
/// returns a formatted version of the counter, using the
|
|
/// format given by Counter::prettyFormat().
|
|
docstring prettyCounter(docstring const & cntr,
|
|
std::string const & lang) const;
|
|
/// Are we in appendix?
|
|
bool appendix() const { return appendix_; }
|
|
/// Set the state variable indicating whether we are in appendix.
|
|
void appendix(bool a) { appendix_ = a; }
|
|
/// Returns the current enclosing float.
|
|
std::string const & current_float() const { return current_float_; }
|
|
/// Sets the current enclosing float.
|
|
void current_float(std::string const & f) { current_float_ = f; }
|
|
/// Are we in a subfloat?
|
|
bool isSubfloat() const { return subfloat_; }
|
|
/// Set the state variable indicating whether we are in a subfloat.
|
|
void isSubfloat(bool s) { subfloat_ = s; }
|
|
/// Are we in a longtable?
|
|
bool isLongtable() const { return longtable_; }
|
|
/// Set the state variable indicating whether we are in a longtable.
|
|
void isLongtable(bool s) { longtable_ = s; }
|
|
|
|
/// \name refstepcounter
|
|
// @{
|
|
/// The currently active counter, so far as references go.
|
|
/// We're trying to track \refstepcounter in LaTeX, more or less.
|
|
/// Note that this may be empty.
|
|
docstring currentCounter() const;
|
|
/// Called during updateBuffer() as we go through various paragraphs,
|
|
/// to track the layouts as we go through.
|
|
void setActiveLayout(Layout const & lay);
|
|
/// Also for updateBuffer().
|
|
/// Call this when entering things like footnotes, where there is now
|
|
/// no "last layout" and we want to restore the "last layout" on exit.
|
|
void clearLastLayout() { layout_stack_.push_back(0); }
|
|
/// Call this when exiting things like footnotes.
|
|
void restoreLastLayout() { layout_stack_.pop_back(); }
|
|
///
|
|
void saveLastCounter()
|
|
{ counter_stack_.push_back(counter_stack_.back()); }
|
|
///
|
|
void restoreLastCounter() { counter_stack_.pop_back(); }
|
|
// @}
|
|
private:
|
|
/** expands recursively any \\the<counter> macro in the
|
|
* labelstring of \c counter. The \c lang code is used to
|
|
* translate the string.
|
|
*/
|
|
docstring flattenLabelString(docstring const & counter, bool in_appendix,
|
|
std::string const &lang,
|
|
std::vector<docstring> & callers) const;
|
|
/// Returns the value of the counter according to the
|
|
/// numbering scheme numbertype.
|
|
/** Available numbering schemes are arabic (1, 2,...), roman
|
|
* (i, ii,...), Roman (I, II,...), alph (a, b,...), Alpha (A,
|
|
* B,...) and hebrew.
|
|
*/
|
|
docstring labelItem(docstring const & ctr,
|
|
docstring const & numbertype) const;
|
|
/// Used for managing the counter_stack_.
|
|
// @{
|
|
void beginEnvironment();
|
|
void endEnvironment();
|
|
// @}
|
|
/// Maps counter (layout) names to actual counters.
|
|
typedef std::map<docstring, Counter> CounterList;
|
|
/// Instantiate.
|
|
CounterList counterList_;
|
|
/// Are we in an appendix?
|
|
bool appendix_;
|
|
/// The current enclosing float.
|
|
std::string current_float_;
|
|
/// Are we in a subfloat?
|
|
bool subfloat_;
|
|
/// Are we in a longtable?
|
|
bool longtable_;
|
|
/// Used to keep track of active counters.
|
|
std::vector<docstring> counter_stack_;
|
|
/// Same, but for last layout.
|
|
std::vector<Layout const *> layout_stack_;
|
|
};
|
|
|
|
} // namespace lyx
|
|
|
|
#endif
|