]> git.lyx.org Git - lyx.git/blobdiff - src/Counters.cpp
Account for old versions of Pygments
[lyx.git] / src / Counters.cpp
index a0f1d139d7cce2f0819eb31949629c7f1f26caf4..75c891128efa90777a0ba9a04a7164e5e14232aa 100644 (file)
@@ -14,6 +14,7 @@
 #include <config.h>
 
 #include "Counters.h"
+#include "Layout.h"
 #include "Lexer.h"
 
 #include "support/convert.h"
@@ -32,14 +33,15 @@ namespace lyx {
 
 
 Counter::Counter()
+       : initial_value_(0)
 {
        reset();
 }
 
 
-Counter::Counter(docstring const & mc, docstring const & ls, 
-                docstring const & lsa)
-       : master_(mc), labelstring_(ls), labelstringappendix_(lsa)
+Counter::Counter(docstring const & mc, docstring const & ls,
+                docstring const & lsa)
+       : initial_value_(0), master_(mc), labelstring_(ls), labelstringappendix_(lsa)
 {
        reset();
 }
@@ -51,13 +53,17 @@ bool Counter::read(Lexer & lex)
                CT_WITHIN = 1,
                CT_LABELSTRING,
                CT_LABELSTRING_APPENDIX,
+               CT_PRETTYFORMAT,
+               CT_INITIALVALUE,
                CT_END
        };
 
        LexerKeyword counterTags[] = {
                { "end", CT_END },
+         { "initialvalue", CT_INITIALVALUE},
                { "labelstring", CT_LABELSTRING },
                { "labelstringappendix", CT_LABELSTRING_APPENDIX },
+               { "prettyformat", CT_PRETTYFORMAT },
                { "within", CT_WITHIN }
        };
 
@@ -70,7 +76,7 @@ bool Counter::read(Lexer & lex)
                        case Lexer::LEX_UNDEF:
                                lex.printError("Unknown counter tag `$$Token'");
                                continue;
-                       default: 
+                       default:
                                break;
                }
                switch (le) {
@@ -80,6 +86,22 @@ bool Counter::read(Lexer & lex)
                                if (master_ == "none")
                                        master_.erase();
                                break;
+                       case CT_INITIALVALUE:
+                               lex.next();
+                               initial_value_ = lex.getInteger();
+                               // getInteger() returns -1 on error, and larger
+                               // negative values do not make much sense.
+                               // In the other case, we subtract one, since the
+                               // counter will be incremented before its first use.
+                               if (initial_value_ <= -1)
+                                       initial_value_ = 0;
+                               else
+                                       initial_value_ -= 1;
+                               break;
+                       case CT_PRETTYFORMAT:
+                               lex.next();
+                               prettyformat_ = lex.getDocString();
+                               break;
                        case CT_LABELSTRING:
                                lex.next();
                                labelstring_ = lex.getDocString();
@@ -102,6 +124,7 @@ bool Counter::read(Lexer & lex)
        return getout;
 }
 
+
 void Counter::set(int v)
 {
        value_ = v;
@@ -128,7 +151,7 @@ void Counter::step()
 
 void Counter::reset()
 {
-       value_ = 0;
+       value_ = initial_value_;
 }
 
 
@@ -138,6 +161,15 @@ docstring const & Counter::master() const
 }
 
 
+bool Counter::checkAndRemoveMaster(docstring const & cnt)
+{
+       if (master_ != cnt)
+               return false;
+       master_ = docstring();
+       return true;
+}
+
+
 docstring const & Counter::labelString(bool in_appendix) const
 {
        return in_appendix ? labelstringappendix_ : labelstring_;
@@ -150,8 +182,15 @@ Counter::StringMap & Counter::flatLabelStrings(bool in_appendix) const
 }
 
 
+Counters::Counters() : appendix_(false), subfloat_(false), longtable_(false)
+{
+       layout_stack_.push_back(0);
+       counter_stack_.push_back(from_ascii(""));
+}
+
+
 void Counters::newCounter(docstring const & newc,
-                         docstring const & masterc, 
+                         docstring const & masterc,
                          docstring const & ls,
                          docstring const & lsa)
 {
@@ -226,7 +265,32 @@ int Counters::value(docstring const & ctr) const
 }
 
 
-void Counters::step(docstring const & ctr)
+void Counters::resetSlaves(docstring const & ctr)
+{
+       CounterList::iterator it = counterList_.begin();
+       CounterList::iterator const end = counterList_.end();
+       for (; it != end; ++it) {
+               if (it->second.master() == ctr) {
+                       it->second.reset();
+                       resetSlaves(it->first);
+               }
+       }
+}
+
+
+void Counters::stepMaster(docstring const & ctr, UpdateType utype)
+{
+       CounterList::iterator it = counterList_.find(ctr);
+       if (it == counterList_.end()) {
+               lyxerr << "step: Counter does not exist: "
+                      << to_utf8(ctr) << endl;
+               return;
+       }
+       step(it->second.master(), utype);
+}
+
+
+void Counters::step(docstring const & ctr, UpdateType utype)
 {
        CounterList::iterator it = counterList_.find(ctr);
        if (it == counterList_.end()) {
@@ -236,13 +300,13 @@ void Counters::step(docstring const & ctr)
        }
 
        it->second.step();
-       it = counterList_.begin();
-       CounterList::iterator const end = counterList_.end();
-       for (; it != end; ++it) {
-               if (it->second.master() == ctr) {
-                       it->second.reset();
-               }
+       if (utype == OutputUpdate) {
+               LBUFERR(!counter_stack_.empty());
+               counter_stack_.pop_back();
+               counter_stack_.push_back(ctr);
        }
+
+       resetSlaves(ctr);
 }
 
 
@@ -255,12 +319,16 @@ void Counters::reset()
        CounterList::iterator const end = counterList_.end();
        for (; it != end; ++it)
                it->second.reset();
+       counter_stack_.clear();
+       counter_stack_.push_back(from_ascii(""));
+       layout_stack_.clear();
+       layout_stack_.push_back(0);
 }
 
 
 void Counters::reset(docstring const & match)
 {
-       LASSERT(!match.empty(), /**/);
+       LASSERT(!match.empty(), return);
 
        CounterList::iterator it = counterList_.begin();
        CounterList::iterator end = counterList_.end();
@@ -271,6 +339,22 @@ void Counters::reset(docstring const & match)
 }
 
 
+bool Counters::remove(docstring const & cnt)
+{
+       bool retval = counterList_.erase(cnt);
+       if (!retval)
+               return false;
+       CounterList::iterator it = counterList_.begin();
+       CounterList::iterator end = counterList_.end();
+       for (; it != end; ++it) {
+               if (it->second.checkAndRemoveMaster(cnt))
+                       LYXERR(Debug::TCLASS, "Removed master counter `" +
+                                       to_utf8(cnt) + "' from counter: " + to_utf8(it->first));
+       }
+       return retval;
+}
+
+
 void Counters::copy(Counters & from, Counters & to, docstring const & match)
 {
        CounterList::iterator it = counterList_.begin();
@@ -315,9 +399,8 @@ char hebrewCounter(int const n)
 }
 
 
-
 // On the special cases, see http://mathworld.wolfram.com/RomanNumerals.html
-// and for a list of roman numerals up to and including 3999, see 
+// and for a list of roman numerals up to and including 3999, see
 // http://www.research.att.com/~njas/sequences/a006968.txt. (Thanks to Joost
 // for this info.)
 docstring const romanCounter(int const n)
@@ -326,25 +409,25 @@ docstring const romanCounter(int const n)
                "I",   "II",  "III", "IV", "V",
                "VI",  "VII", "VIII", "IX"
        };
-       
+
        static char const * const tens[9] = {
                "X", "XX", "XXX", "XL", "L",
                "LX", "LXX", "LXXX", "XC"
        };
-       
+
        static char const * const hunds[9] = {
                "C", "CC", "CCC", "CD", "D",
                "DC", "DCC", "DCCC", "CM"
        };
-       
-       if (n > 1000 || n < 1) 
+
+       if (n >= 1000 || n < 1)
                return from_ascii("??");
-       
+
        int val = n;
        string roman;
        switch (n) {
        //special cases
-       case 900: 
+       case 900:
                roman = "CM";
                break;
        case 400:
@@ -381,6 +464,24 @@ docstring const lowerromanCounter(int const n)
        return lowercase(romanCounter(n));
 }
 
+
+docstring const fnsymbolCounter(int const n)
+{
+       switch(n) {
+       case 1: return docstring(1, 0x002a); //*
+       case 2: return docstring(1, 0x2020); // dagger
+       case 3: return docstring(1, 0x2021); // double dagger
+       case 4: return docstring(1, 0x00A7); // section sign
+       case 5: return docstring(1, 0x00B6); // pilcrow sign
+       case 6: return docstring(1, 0x2016); // vertical bar
+       case 7: return docstring(2, 0x002a); // two *
+       case 8: return docstring(2, 0x2020); // two daggers
+       case 9: return docstring(2, 0x2021); // two double daggers
+       default:
+               return from_ascii("?");
+       };
+}
+
 } // namespace anon
 
 
@@ -412,6 +513,9 @@ docstring Counters::labelItem(docstring const & ctr,
        if (numbertype == "Roman")
                return romanCounter(val);
 
+       if (numbertype == "fnsymbol")
+               return fnsymbolCounter(val);
+
        return convert<docstring>(val);
 }
 
@@ -419,9 +523,9 @@ docstring Counters::labelItem(docstring const & ctr,
 docstring Counters::theCounter(docstring const & counter,
                               string const & lang) const
 {
-       CounterList::const_iterator it = counterList_.find(counter); 
+       CounterList::const_iterator it = counterList_.find(counter);
        if (it == counterList_.end())
-               return from_ascii("??");
+               return from_ascii("#");
        Counter const & ctr = it->second;
        Counter::StringMap & sm = ctr.flatLabelStrings(appendix());
        Counter::StringMap::iterator smit = sm.find(lang);
@@ -436,13 +540,11 @@ docstring Counters::theCounter(docstring const & counter,
 }
 
 
-docstring Counters::flattenLabelString(docstring const & counter, 
+docstring Counters::flattenLabelString(docstring const & counter,
                                       bool in_appendix,
                                       string const & lang,
                                       vector<docstring> & callers) const
 {
-       docstring label;
-
        if (find(callers.begin(), callers.end(), counter) != callers.end()) {
                // recursion detected
                lyxerr << "Warning: Recursion in label for counter `"
@@ -450,10 +552,10 @@ docstring Counters::flattenLabelString(docstring const & counter,
                       << endl;
                return from_ascii("??");
        }
-               
-       CounterList::const_iterator it = counterList_.find(counter); 
+
+       CounterList::const_iterator it = counterList_.find(counter);
        if (it == counterList_.end())
-               return from_ascii("??");
+               return from_ascii("#");
        Counter const & c = it->second;
 
        docstring ls = translateIfPossible(c.labelString(in_appendix), lang);
@@ -461,7 +563,7 @@ docstring Counters::flattenLabelString(docstring const & counter,
        callers.push_back(counter);
        if (ls.empty()) {
                if (!c.master().empty())
-                       ls = flattenLabelString(c.master(), in_appendix, lang, callers) 
+                       ls = flattenLabelString(c.master(), in_appendix, lang, callers)
                                + from_ascii(".");
                callers.pop_back();
                return ls + from_ascii("\\arabic{") + counter + "}";
@@ -474,7 +576,7 @@ docstring Counters::flattenLabelString(docstring const & counter,
                        break;
                size_t const j = i + 4;
                size_t k = j;
-               while (k < ls.size() && lowercase(ls[k]) >= 'a' 
+               while (k < ls.size() && lowercase(ls[k]) >= 'a'
                       && lowercase(ls[k]) <= 'z')
                        ++k;
                docstring const newc = ls.substr(j, k - j);
@@ -503,7 +605,7 @@ docstring Counters::counterLabel(docstring const & format,
                        break;
                size_t const j = i + 4;
                size_t k = j;
-               while (k < label.size() && lowercase(label[k]) >= 'a' 
+               while (k < label.size() && lowercase(label[k]) >= 'a'
                       && lowercase(label[k]) <= 'z')
                        ++k;
                docstring const newc(label, j, k - j);
@@ -530,4 +632,69 @@ docstring Counters::counterLabel(docstring const & format,
 }
 
 
+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();
+}
+
+
 } // namespace lyx