mirror of
https://git.lyx.org/repos/lyx.git
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669 lines
15 KiB
C++
669 lines
15 KiB
C++
/**
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* \file Counters.cpp
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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 Martin Vermeer
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* \author André Pönitz
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* \author Richard Kimberly Heck (roman numerals)
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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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#include <config.h>
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#include "Counters.h"
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#include "Layout.h"
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#include "Lexer.h"
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#include "support/convert.h"
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#include "support/counter_reps.h"
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#include "support/debug.h"
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#include "support/docstring.h"
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#include "support/gettext.h"
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#include "support/lassert.h"
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#include "support/lstrings.h"
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#include <algorithm>
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#include <sstream>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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Counter::Counter()
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: initial_value_(0), saved_value_(0)
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{
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reset();
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}
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Counter::Counter(docstring const & mc, docstring const & ls,
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docstring const & lsa, docstring const & guiname)
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: initial_value_(0), saved_value_(0), parent_(mc), labelstring_(ls),
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labelstringappendix_(lsa), guiname_(guiname)
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{
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reset();
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}
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bool Counter::read(Lexer & lex)
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{
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enum {
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CT_WITHIN = 1,
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CT_LABELSTRING,
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CT_LABELSTRING_APPENDIX,
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CT_PRETTYFORMAT,
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CT_INITIALVALUE,
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CT_GUINAME,
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CT_LATEXNAME,
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CT_END
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};
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LexerKeyword counterTags[] = {
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{ "end", CT_END },
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{ "guiname", CT_GUINAME },
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{ "initialvalue", CT_INITIALVALUE},
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{ "labelstring", CT_LABELSTRING },
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{ "labelstringappendix", CT_LABELSTRING_APPENDIX },
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{ "latexname", CT_LATEXNAME },
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{ "prettyformat", CT_PRETTYFORMAT },
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{ "within", CT_WITHIN }
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};
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lex.pushTable(counterTags);
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bool getout = false;
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while (!getout && lex.isOK()) {
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int le = lex.lex();
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switch (le) {
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case Lexer::LEX_UNDEF:
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lex.printError("Unknown counter tag `$$Token'");
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continue;
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default:
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break;
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}
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switch (le) {
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case CT_WITHIN:
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lex.next();
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parent_ = lex.getDocString();
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if (parent_ == "none")
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parent_.erase();
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break;
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case CT_INITIALVALUE:
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lex.next();
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initial_value_ = lex.getInteger();
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// getInteger() returns -1 on error, and larger
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// negative values do not make much sense.
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// In the other case, we subtract one, since the
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// counter will be incremented before its first use.
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if (initial_value_ <= -1)
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initial_value_ = 0;
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else
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initial_value_ -= 1;
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break;
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case CT_PRETTYFORMAT:
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lex.next();
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prettyformat_ = lex.getDocString();
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break;
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case CT_LABELSTRING:
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lex.next();
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labelstring_ = lex.getDocString();
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labelstringappendix_ = labelstring_;
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break;
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case CT_LABELSTRING_APPENDIX:
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lex.next();
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labelstringappendix_ = lex.getDocString();
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break;
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case CT_GUINAME:
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lex.next();
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guiname_ = lex.getDocString();
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break;
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case CT_LATEXNAME:
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lex.next();
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latexname_ = lex.getDocString();
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break;
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case CT_END:
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getout = true;
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break;
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}
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}
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// Here if have a full counter if getout == true
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if (!getout)
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LYXERR0("No End tag found for counter!");
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lex.popTable();
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return getout;
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}
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void Counter::set(int v)
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{
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value_ = v;
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}
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void Counter::addto(int v)
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{
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value_ += v;
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}
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int Counter::value() const
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{
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return value_;
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}
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void Counter::saveValue()
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{
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saved_value_ = value_;
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}
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void Counter::restoreValue()
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{
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value_ = saved_value_;
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}
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void Counter::step()
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{
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++value_;
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}
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void Counter::reset()
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{
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value_ = initial_value_;
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}
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docstring const & Counter::parent() const
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{
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return parent_;
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}
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bool Counter::checkAndRemoveParent(docstring const & cnt)
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{
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if (parent_ != cnt)
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return false;
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parent_ = docstring();
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return true;
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}
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docstring const & Counter::labelString(bool in_appendix) const
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{
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return in_appendix ? labelstringappendix_ : labelstring_;
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}
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Counter::StringMap & Counter::flatLabelStrings(bool in_appendix) const
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{
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return in_appendix ? flatlabelstringappendix_ : flatlabelstring_;
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}
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Counters::Counters() : appendix_(false), subfloat_(false), longtable_(false)
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{
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layout_stack_.push_back(nullptr);
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counter_stack_.push_back(from_ascii(""));
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}
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void Counters::newCounter(docstring const & newc,
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docstring const & parentc,
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docstring const & ls,
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docstring const & lsa,
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docstring const & guiname)
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{
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if (!parentc.empty() && !hasCounter(parentc)) {
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lyxerr << "Parent counter does not exist: "
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<< to_utf8(parentc)
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<< endl;
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return;
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}
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counterList_[newc] = Counter(parentc, ls, lsa, guiname);
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}
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bool Counters::hasCounter(docstring const & c) const
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{
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return counterList_.find(c) != counterList_.end();
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}
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bool Counters::read(Lexer & lex, docstring const & name, bool makenew)
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{
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if (hasCounter(name)) {
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LYXERR(Debug::TCLASS, "Reading existing counter " << to_utf8(name));
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return counterList_[name].read(lex);
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}
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LYXERR(Debug::TCLASS, "Reading new counter " << to_utf8(name));
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Counter cnt;
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bool success = cnt.read(lex);
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// if makenew is false, we will just discard what we read
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if (success && makenew)
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counterList_[name] = cnt;
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else if (!success)
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LYXERR0("Error reading counter `" << name << "'!");
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return success;
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}
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void Counters::set(docstring const & ctr, int const val)
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{
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CounterList::iterator const it = counterList_.find(ctr);
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if (it == counterList_.end()) {
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lyxerr << "set: Counter does not exist: "
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<< to_utf8(ctr) << endl;
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return;
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}
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it->second.set(val);
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}
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void Counters::addto(docstring const & ctr, int const val)
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{
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CounterList::iterator const it = counterList_.find(ctr);
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if (it == counterList_.end()) {
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lyxerr << "addto: Counter does not exist: "
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<< to_utf8(ctr) << endl;
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return;
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}
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it->second.addto(val);
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}
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int Counters::value(docstring const & ctr) const
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{
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CounterList::const_iterator const cit = counterList_.find(ctr);
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if (cit == counterList_.end()) {
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lyxerr << "value: Counter does not exist: "
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<< to_utf8(ctr) << endl;
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return 0;
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}
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return cit->second.value();
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}
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void Counters::saveValue(docstring const & ctr) const
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{
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CounterList::const_iterator const cit = counterList_.find(ctr);
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if (cit == counterList_.end()) {
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lyxerr << "value: Counter does not exist: "
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<< to_utf8(ctr) << endl;
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return;
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}
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Counter const & cnt = cit->second;
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Counter & ccnt = const_cast<Counter &>(cnt);
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ccnt.saveValue();
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}
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void Counters::restoreValue(docstring const & ctr) const
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{
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CounterList::const_iterator const cit = counterList_.find(ctr);
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if (cit == counterList_.end()) {
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lyxerr << "value: Counter does not exist: "
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<< to_utf8(ctr) << endl;
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return;
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}
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Counter const & cnt = cit->second;
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Counter & ccnt = const_cast<Counter &>(cnt);
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ccnt.restoreValue();
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}
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void Counters::resetChildren(docstring const & count)
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{
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for (auto & ctr : counterList_) {
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if (ctr.second.parent() == count) {
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ctr.second.reset();
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resetChildren(ctr.first);
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}
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}
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}
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void Counters::stepParent(docstring const & ctr, UpdateType utype)
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{
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CounterList::iterator it = counterList_.find(ctr);
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if (it == counterList_.end()) {
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lyxerr << "step: Counter does not exist: "
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<< to_utf8(ctr) << endl;
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return;
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}
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step(it->second.parent(), utype);
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}
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void Counters::step(docstring const & ctr, UpdateType utype)
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{
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CounterList::iterator it = counterList_.find(ctr);
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if (it == counterList_.end()) {
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lyxerr << "step: Counter does not exist: "
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<< to_utf8(ctr) << endl;
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return;
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}
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it->second.step();
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if (utype == OutputUpdate) {
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LBUFERR(!counter_stack_.empty());
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counter_stack_.pop_back();
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counter_stack_.push_back(ctr);
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}
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resetChildren(ctr);
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}
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docstring const & Counters::guiName(docstring const & cntr) const
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{
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CounterList::const_iterator it = counterList_.find(cntr);
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if (it == counterList_.end()) {
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lyxerr << "step: Counter does not exist: "
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<< to_utf8(cntr) << endl;
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return empty_docstring();
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}
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docstring const & guiname = it->second.guiName();
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if (guiname.empty())
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return cntr;
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return guiname;
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}
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docstring const & Counters::latexName(docstring const & cntr) const
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{
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CounterList::const_iterator it = counterList_.find(cntr);
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if (it == counterList_.end()) {
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lyxerr << "step: Counter does not exist: "
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<< to_utf8(cntr) << endl;
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return empty_docstring();
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}
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docstring const & latexname = it->second.latexName();
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if (latexname.empty())
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return cntr;
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return latexname;
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}
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void Counters::reset()
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{
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appendix_ = false;
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subfloat_ = false;
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current_float_.erase();
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for (auto & ctr : counterList_)
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ctr.second.reset();
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counter_stack_.clear();
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counter_stack_.push_back(from_ascii(""));
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layout_stack_.clear();
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layout_stack_.push_back(nullptr);
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}
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void Counters::reset(docstring const & match)
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{
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LASSERT(!match.empty(), return);
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for (auto & ctr : counterList_) {
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if (ctr.first.find(match) != string::npos)
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ctr.second.reset();
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}
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}
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bool Counters::copy(docstring const & cnt, docstring const & newcnt)
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{
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auto const it = counterList_.find(cnt);
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if (it == counterList_.end())
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return false;
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counterList_[newcnt] = it->second;
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return true;
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}
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bool Counters::remove(docstring const & cnt)
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{
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bool retval = counterList_.erase(cnt);
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if (!retval)
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return false;
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for (auto & ctr : counterList_) {
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if (ctr.second.checkAndRemoveParent(cnt))
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LYXERR(Debug::TCLASS, "Removed parent counter `" +
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to_utf8(cnt) + "' from counter: " + to_utf8(ctr.first));
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}
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return retval;
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}
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docstring Counters::labelItem(docstring const & ctr,
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docstring const & numbertype) const
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{
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CounterList::const_iterator const cit = counterList_.find(ctr);
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if (cit == counterList_.end()) {
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lyxerr << "Counter "
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<< to_utf8(ctr)
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<< " does not exist." << endl;
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return docstring();
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}
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int val = cit->second.value();
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if (numbertype == "hebrew")
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return docstring(1, hebrewCounter(val));
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if (numbertype == "alph")
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return docstring(1, loweralphaCounter(val));
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if (numbertype == "Alph")
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return docstring(1, alphaCounter(val));
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if (numbertype == "roman")
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return lowerromanCounter(val);
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if (numbertype == "Roman")
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return romanCounter(val);
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if (numbertype == "fnsymbol")
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return fnsymbolCounter(val);
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return convert<docstring>(val);
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}
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docstring Counters::theCounter(docstring const & counter,
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string const & lang) const
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{
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CounterList::const_iterator it = counterList_.find(counter);
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if (it == counterList_.end())
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return from_ascii("#");
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Counter const & ctr = it->second;
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Counter::StringMap & sm = ctr.flatLabelStrings(appendix());
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Counter::StringMap::iterator smit = sm.find(lang);
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if (smit != sm.end())
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return counterLabel(smit->second, lang);
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vector<docstring> callers;
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docstring const & fls = flattenLabelString(counter, appendix(),
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lang, callers);
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sm[lang] = fls;
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return counterLabel(fls, lang);
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}
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docstring Counters::flattenLabelString(docstring const & counter,
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bool in_appendix,
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string const & lang,
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vector<docstring> & callers) const
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{
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if (find(callers.begin(), callers.end(), counter) != callers.end()) {
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// recursion detected
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lyxerr << "Warning: Recursion in label for counter `"
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<< counter << "' detected"
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<< endl;
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return from_ascii("??");
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}
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CounterList::const_iterator it = counterList_.find(counter);
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if (it == counterList_.end())
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return from_ascii("#");
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Counter const & c = it->second;
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docstring ls = translateIfPossible(c.labelString(in_appendix), lang);
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callers.push_back(counter);
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if (ls.empty()) {
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if (!c.parent().empty())
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ls = flattenLabelString(c.parent(), in_appendix, lang, callers)
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+ from_ascii(".");
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callers.pop_back();
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return ls + from_ascii("\\arabic{") + counter + "}";
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}
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while (true) {
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//lyxerr << "ls=" << to_utf8(ls) << endl;
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size_t const i = ls.find(from_ascii("\\the"), 0);
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if (i == docstring::npos)
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break;
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size_t const j = i + 4;
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size_t k = j;
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while (k < ls.size() && lowercase(ls[k]) >= 'a'
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&& lowercase(ls[k]) <= 'z')
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++k;
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docstring const newc = ls.substr(j, k - j);
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docstring const repl = flattenLabelString(newc, in_appendix,
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lang, callers);
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ls.replace(i, k - j + 4, repl);
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}
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callers.pop_back();
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return ls;
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}
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docstring Counters::counterLabel(docstring const & format,
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string const & lang) const
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{
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docstring label = format;
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// FIXME: Using regexps would be better, but we compile boost without
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// wide regexps currently.
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docstring const the = from_ascii("\\the");
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while (true) {
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//lyxerr << "label=" << label << endl;
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size_t const i = label.find(the, 0);
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if (i == docstring::npos)
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break;
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size_t const j = i + 4;
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size_t k = j;
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while (k < label.size() && lowercase(label[k]) >= 'a'
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&& lowercase(label[k]) <= 'z')
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++k;
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docstring const newc(label, j, k - j);
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label.replace(i, k - i, theCounter(newc, lang));
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}
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while (true) {
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//lyxerr << "label=" << label << endl;
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size_t const i = label.find('\\', 0);
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if (i == docstring::npos)
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break;
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size_t const j = label.find('{', i + 1);
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if (j == docstring::npos)
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|
break;
|
|
size_t const k = label.find('}', j + 1);
|
|
if (k == docstring::npos)
|
|
break;
|
|
docstring const numbertype(label, i + 1, j - i - 1);
|
|
docstring const counter(label, j + 1, k - j - 1);
|
|
label.replace(i, k + 1 - i, labelItem(counter, numbertype));
|
|
}
|
|
//lyxerr << "DONE! label=" << label << endl;
|
|
return label;
|
|
}
|
|
|
|
|
|
docstring Counters::prettyCounter(docstring const & name,
|
|
string const & lang) const
|
|
{
|
|
CounterList::const_iterator it = counterList_.find(name);
|
|
if (it == counterList_.end())
|
|
return from_ascii("#");
|
|
Counter const & ctr = it->second;
|
|
|
|
docstring const value = theCounter(name, lang);
|
|
docstring const & format =
|
|
translateIfPossible(ctr.prettyFormat(), lang);
|
|
if (format.empty())
|
|
return value;
|
|
return subst(format, from_ascii("##"), value);
|
|
}
|
|
|
|
|
|
docstring Counters::currentCounter() const
|
|
{
|
|
LBUFERR(!counter_stack_.empty());
|
|
return counter_stack_.back();
|
|
}
|
|
|
|
|
|
void Counters::setActiveLayout(Layout const & lay)
|
|
{
|
|
LASSERT(!layout_stack_.empty(), return);
|
|
Layout const * const lastlay = layout_stack_.back();
|
|
// we want to check whether the layout has changed and, if so,
|
|
// whether we are coming out of or going into an environment.
|
|
if (!lastlay) {
|
|
layout_stack_.pop_back();
|
|
layout_stack_.push_back(&lay);
|
|
if (lay.isEnvironment())
|
|
beginEnvironment();
|
|
} else if (lastlay->name() != lay.name()) {
|
|
layout_stack_.pop_back();
|
|
layout_stack_.push_back(&lay);
|
|
if (lastlay->isEnvironment()) {
|
|
// we are coming out of an environment
|
|
// LYXERR0("Out: " << lastlay->name());
|
|
endEnvironment();
|
|
}
|
|
if (lay.isEnvironment()) {
|
|
// we are going into a new environment
|
|
// LYXERR0("In: " << lay.name());
|
|
beginEnvironment();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void Counters::beginEnvironment()
|
|
{
|
|
counter_stack_.push_back(counter_stack_.back());
|
|
}
|
|
|
|
|
|
void Counters::endEnvironment()
|
|
{
|
|
LASSERT(!counter_stack_.empty(), return);
|
|
counter_stack_.pop_back();
|
|
}
|
|
|
|
|
|
vector<docstring> Counters::listOfCounters() const {
|
|
vector<docstring> ret;
|
|
for(auto const & k : counterList_)
|
|
ret.emplace_back(k.first);
|
|
return ret;
|
|
}
|
|
|
|
|
|
} // namespace lyx
|