2000-07-17 18:27:53 +00:00
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// -*- C++ -*-
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2003-08-23 00:17:00 +00:00
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/**
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2007-04-26 04:41:58 +00:00
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* \file Counters.h
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2003-08-23 00:17:00 +00:00
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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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2002-03-21 17:27:08 +00:00
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*
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2003-08-23 00:17:00 +00:00
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* \author Lars Gullik Bj<EFBFBD>nnes
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* \author Jean-Marc Lasgouttes
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* \author John Levon
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* \author Martin Vermeer
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2000-07-24 13:53:19 +00:00
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*
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2003-08-23 00:17:00 +00:00
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* Full author contact details are available in file CREDITS.
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*/
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2000-07-17 18:27:53 +00:00
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#ifndef COUNTERS_H
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2001-02-12 14:09:09 +00:00
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#define COUNTERS_H
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2006-10-20 20:30:00 +00:00
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#include "support/docstring.h"
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2002-05-29 16:21:03 +00:00
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#include <map>
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#include <set>
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2006-10-21 00:16:43 +00:00
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namespace lyx {
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class Lexer;
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/// This represents a single counter.
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class Counter {
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public:
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///
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Counter();
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///
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Counter(docstring const & mc, docstring const & ls,
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docstring const & lsa);
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/// \return true on success
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bool read(Lexer & lex);
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///
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void set(int v);
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///
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void addto(int v);
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///
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int value() const;
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///
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void step();
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///
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void reset();
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/// Returns the master counter of this counter.
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docstring const & master() const;
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/// Returns a LaTeX-like string to format the counter.
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/** This is similar to what one gets in LaTeX when using
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* "\the<counter>".
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*/
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docstring const & labelString() const;
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/// Returns a LaTeX-like string to format the counter in appendix.
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/** This is similar to what one gets in LaTeX when using
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* "\the<counter>" in an appendix.
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*/
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docstring const & labelStringAppendix() const;
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private:
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///
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int value_;
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/// contains master counter name.
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/** The master counter is the counter that, if stepped
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* (incremented) zeroes this counter. E.g. "subsection"'s
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* master is "section".
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*/
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docstring master_;
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/// Contains a LaTeX-like string to format the counter.
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docstring labelstring_;
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/// The same as labelstring_, but in appendices.
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docstring labelstringappendix_;
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};
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/// This is a class of (La)TeX type counters.
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/// Every instantiation is an array of counters of type Counter.
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class Counters {
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public:
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///
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Counters() : appendix_(false), subfloat_(false) {}
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/// Add new counter newc having masterc as its master,
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/// ls as its label, and lsa as its appendix label.
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void newCounter(docstring const & newc,
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docstring const & masterc,
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docstring const & ls,
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docstring const & lsa);
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/// Checks whether the given counter exists.
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bool hasCounter(docstring const & c) const;
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/// reads the counter name
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/// \return true on success
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bool read(Lexer & lex, docstring const & name);
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///
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void set(docstring const & ctr, int val);
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///
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void addto(docstring const & ctr, int val);
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///
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int value(docstring const & ctr) const;
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/// Increment by one counter named by arg, and zeroes slave
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/// counter(s) for which it is the master.
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/** Sub-slaves not zeroed! That happens at slave's first step
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* 0->1. Seems to be sufficient.
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*/
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void step(docstring const & ctr);
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/// Reset all counters.
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void reset();
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/// Reset counters matched by match string.
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void reset(docstring const & match);
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/// Copy counters whose name matches match from the &from to
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/// the &to array of counters. Empty string matches all.
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void copy(Counters & from, Counters & to,
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docstring const & match = docstring());
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/// returns the expanded string representation of the counter.
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docstring theCounter(docstring const & c);
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/// Replace om format all the LaTeX-like macros that depend on
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/// counters.
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docstring counterLabel(docstring const & format,
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std::set<docstring> * callers = 0);
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/// Are we in apendix?
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bool appendix() const { return appendix_; };
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/// Set the state variable indicating whether we are in appendix.
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void appendix(bool a) { appendix_ = a; };
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/// Returns the current enclosing float.
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std::string const & current_float() const { return current_float_; }
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/// Sets the current enclosing float.
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void current_float(std::string const & f) { current_float_ = f; }
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/// Are we in a subfloat?
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bool isSubfloat() const { return subfloat_; }
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/// Set the state variable indicating whether we are in a subfloat.
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void isSubfloat(bool s) { subfloat_ = s; };
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private:
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/// returns the expanded string representation of the counter
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/// with recursion protection through callers.
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docstring theCounter(docstring const & c,
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std::set<docstring> & callers);
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/// Returns the value of the counter according to the
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/// numbering scheme numbertype.
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/** Available numbering schemes are arabic (1, 2,...), roman
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* (i, ii,...), Roman (I, II,...), alph (a, b,...), Alpha (A,
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* B,...) and hebrew.
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*/
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docstring labelItem(docstring const & ctr,
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docstring const & numbertype);
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/// Maps counter (layout) names to actual counters.
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typedef std::map<docstring, Counter> CounterList;
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/// Instantiate.
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CounterList counterList;
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/// Are we in an appendix?
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bool appendix_;
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/// The current enclosing float.
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std::string current_float_;
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/// Are we in a subfloat?
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bool subfloat_;
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};
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2006-10-21 00:16:43 +00:00
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} // namespace lyx
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2000-07-17 18:27:53 +00:00
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#endif
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