* \author Lars Gullik Bjønnes
* \author Martin Vermeer
* \author André Pönitz
+ * \author Richard Heck (roman numerals)
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Counters.h"
-#include "debug.h"
-#include "support/lstrings.h"
+#include "Lexer.h"
+
#include "support/convert.h"
+#include "support/debug.h"
+#include "support/lstrings.h"
-#include <boost/assert.hpp>
+#include "support/lassert.h"
#include <sstream>
+using namespace std;
+using namespace lyx::support;
namespace lyx {
-using std::endl;
-using std::ostringstream;
-using std::string;
-
Counter::Counter()
{
}
+Counter::Counter(docstring const & mc, docstring const & ls,
+ docstring const & lsa)
+ : master_(mc), labelstring_(ls), labelstringappendix_(lsa)
+{
+ reset();
+}
+
+
+bool Counter::read(Lexer & lex)
+{
+ enum {
+ CT_WITHIN = 1,
+ CT_LABELSTRING,
+ CT_LABELSTRING_APPENDIX,
+ CT_END
+ };
+
+ LexerKeyword counterTags[] = {
+ { "end", CT_END },
+ { "labelstring", CT_LABELSTRING },
+ { "labelstringappendix", CT_LABELSTRING_APPENDIX },
+ { "within", CT_WITHIN }
+ };
+
+ lex.pushTable(counterTags);
+
+ bool getout = false;
+ while (!getout && lex.isOK()) {
+ int le = lex.lex();
+ switch (le) {
+ case Lexer::LEX_UNDEF:
+ lex.printError("Unknown counter tag `$$Token'");
+ continue;
+ default:
+ break;
+ }
+ switch (le) {
+ case CT_WITHIN:
+ lex.next();
+ master_ = lex.getDocString();
+ if (master_ == "none")
+ master_.erase();
+ break;
+ case CT_LABELSTRING:
+ lex.next();
+ labelstring_ = lex.getDocString();
+ labelstringappendix_ = labelstring_;
+ break;
+ case CT_LABELSTRING_APPENDIX:
+ lex.next();
+ labelstringappendix_ = lex.getDocString();
+ break;
+ case CT_END:
+ getout = true;
+ break;
+ }
+ }
+
+ // Here if have a full counter if getout == true
+ if (!getout)
+ LYXERR0("No End tag found for counter!");
+ lex.popTable();
+ return getout;
+}
+
void Counter::set(int v)
{
value_ = v;
}
-void Counter::setMaster(docstring const & m)
+docstring const & Counter::labelString() const
{
- master_ = m;
+ return labelstring_;
}
-void Counters::newCounter(docstring const & newc)
+docstring const & Counter::labelStringAppendix() const
{
- // First check if newc already exist
- CounterList::iterator const cit = counterList.find(newc);
- // if already exist give warning and return
- if (cit != counterList.end()) {
- lyxerr << "New counter already exists: "
- << to_utf8(newc)
- << endl;
- return;
- }
- counterList[newc];
+ return labelstringappendix_;
}
void Counters::newCounter(docstring const & newc,
- docstring const & masterc)
+ docstring const & masterc,
+ docstring const & ls,
+ docstring const & lsa)
{
- // First check if newc already exists
- CounterList::iterator const cit = counterList.find(newc);
- // if already existant give warning and return
- if (cit != counterList.end()) {
- lyxerr << "New counter already exists: "
- << to_utf8(newc)
- << endl;
- return;
- }
- // then check if masterc exists
- CounterList::iterator const it = counterList.find(masterc);
- // if not give warning and return
- if (it == counterList.end()) {
+ if (!masterc.empty() && !hasCounter(masterc)) {
lyxerr << "Master counter does not exist: "
<< to_utf8(masterc)
<< endl;
return;
}
+ counterList[newc] = Counter(masterc, ls, lsa);
+}
+
- counterList[newc].setMaster(masterc);
+bool Counters::hasCounter(docstring const & c) const
+{
+ return counterList.find(c) != counterList.end();
+}
+
+
+bool Counters::read(Lexer & lex, docstring const & name)
+{
+ if (hasCounter(name)) {
+ LYXERR(Debug::TCLASS, "Reading existing counter " << to_utf8(name));
+ return counterList[name].read(lex);
+ }
+ LYXERR(Debug::TCLASS, "Reading new counter " << to_utf8(name));
+ Counter cnt;
+ bool success = cnt.read(lex);
+ if (success)
+ counterList[name] = cnt;
+ else
+ LYXERR0("Error reading counter `" << name << "'!");
+ return success;
}
void Counters::reset()
{
+ appendix_ = false;
+ subfloat_ = false;
+ current_float_.erase();
CounterList::iterator it = counterList.begin();
CounterList::iterator const end = counterList.end();
for (; it != end; ++it) {
void Counters::reset(docstring const & match)
{
- BOOST_ASSERT(!match.empty());
+ LASSERT(!match.empty(), /**/);
CounterList::iterator it = counterList.begin();
CounterList::iterator end = counterList.end();
}
-docstring const lowerromanCounter(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
+//http://www.research.att.com/~njas/sequences/a006968.txt. (Thanks to Joost
+//for this info.)
+docstring const romanCounter(int const n)
{
- static char const * const roman[20] = {
- "i", "ii", "iii", "iv", "v",
- "vi", "vii", "viii", "ix", "x",
- "xi", "xii", "xiii", "xiv", "xv",
- "xvi", "xvii", "xviii", "xix", "xx"
+ static char const * const ones[9] = {
+ "I", "II", "III", "IV", "V",
+ "VI", "VII", "VIII", "IX"
};
-
- if (n < 1 || n > 20)
+
+ 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)
return from_ascii("??");
- return from_ascii(roman[n - 1]);
+
+ int val = n;
+ string roman;
+ switch (n) {
+ //special cases
+ case 900:
+ roman = "CM";
+ break;
+ case 400:
+ roman = "CD";
+ break;
+ default:
+ if (val >= 100) {
+ int hundreds = val / 100;
+ roman = hunds[hundreds - 1];
+ val = val % 100;
+ }
+ if (val >= 10) {
+ switch (val) {
+ //special case
+ case 90:
+ roman = roman + "XC";
+ val = 0; //skip next
+ break;
+ default:
+ int tensnum = val / 10;
+ roman = roman + tens[tensnum - 1];
+ val = val % 10;
+ } // end switch
+ } // end tens
+ if (val > 0)
+ roman = roman + ones[val -1];
+ }
+ return from_ascii(roman);
}
-docstring const romanCounter(int const n)
+docstring const lowerromanCounter(int const n)
{
- static char const * const roman[20] = {
- "I", "II", "III", "IV", "V",
- "VI", "VII", "VIII", "IX", "X",
- "XI", "XII", "XIII", "XIV", "XV",
- "XVI", "XVII", "XVIII", "XIX", "XX"
- };
-
- if (n < 1 || n > 20)
- return from_ascii("??");
- return from_ascii(roman[n - 1]);
+ return lowercase(romanCounter(n));
}
} // namespace anon
}
-docstring Counters::counterLabel(docstring const & format)
+docstring Counters::theCounter(docstring const & counter)
+{
+ std::set<docstring> callers;
+ return theCounter(counter, callers);
+}
+
+docstring Counters::theCounter(docstring const & counter,
+ std::set<docstring> & callers)
+{
+ if (!hasCounter(counter))
+ return from_ascii("??");
+
+ docstring label;
+
+ if (callers.find(counter) == callers.end()) {
+
+ pair<std::set<docstring>::iterator, bool> result = callers.insert(counter);
+
+ Counter const & c = counterList[counter];
+ docstring ls = appendix() ? c.labelStringAppendix() : c.labelString();
+
+ if (ls.empty()) {
+ if (!c.master().empty())
+ ls = from_ascii("\\the") + c.master() + from_ascii(".");
+ ls += from_ascii("\\arabic{") + counter + "}";
+ }
+
+ label = counterLabel(ls, &callers);
+
+ callers.erase(result.first);
+ } else {
+ // recursion detected
+ lyxerr << "Warning: Recursion in label for counter `"
+ << counter << "' detected"
+ << endl;
+ }
+
+ return label;
+}
+
+
+docstring Counters::counterLabel(docstring const & format,
+ std::set<docstring> * callers)
{
docstring label = format;
+
+ // FIXME: Using regexps would be better, but we compile boost without
+ // wide regexps currently.
+
+ while (true) {
+ //lyxerr << "label=" << to_utf8(label) << endl;
+ size_t const i = label.find(from_ascii("\\the"), 0);
+ if (i == docstring::npos)
+ break;
+ size_t j = i + 4;
+ size_t k = j;
+ while (k < label.size() && lowercase(label[k]) >= 'a'
+ && lowercase(label[k]) <= 'z')
+ ++k;
+ docstring counter = label.substr(j, k - j);
+ docstring repl = callers? theCounter(counter, *callers):
+ theCounter(counter);
+ label.replace(i, k - j + 4, repl);
+ }
+
while (true) {
-#ifdef WITH_WARNINGS
-#warning Using boost::regex or boost::spirit would make this code a lot simpler... (Lgb)
-#endif
+ //lyxerr << "label=" << to_utf8(label) << endl;
size_t const i = label.find('\\', 0);
if (i == docstring::npos)
docstring const rep = labelItem(counter, numbertype);
label = docstring(label, 0, i) + rep
+ docstring(label, k + 1, docstring::npos);
- //lyxerr << " : " << " (" << counter << ","
- // << numbertype << ") -> " << label << endl;
}
- //lyxerr << "counterLabel: " << format << " -> " << label << endl;
+ //lyxerr << "DONE! label=" << to_utf8(label) << endl;
return label;
}
projects / lyx.git / blobdiff