3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
7 * \author Martin Vermeer
9 * \author Richard Heck (roman numerals)
11 * Full author contact details are available in file CREDITS.
19 #include "support/lstrings.h"
20 #include "support/convert.h"
22 #include <boost/assert.hpp>
27 using std::ostringstream;
32 using support::lowercase;
40 Counter::Counter(docstring const & mc, docstring const & ls,
41 docstring const & lsa)
42 : master_(mc), labelstring_(ls), labelstringappendix_(lsa)
48 void Counter::set(int v)
54 void Counter::addto(int v)
60 int Counter::value() const
78 docstring const & Counter::master() const
84 docstring const & Counter::labelString() const
90 docstring const & Counter::labelStringAppendix() const
92 return labelstringappendix_;
96 void Counters::newCounter(docstring const & newc,
97 docstring const & masterc,
99 docstring const & lsa)
101 if (!masterc.empty() && !hasCounter(masterc)) {
102 lyxerr << "Master counter does not exist: "
107 counterList[newc] = Counter(masterc, ls, lsa);
111 bool Counters::hasCounter(docstring const & c) const
113 return counterList.find(c) != counterList.end();
117 void Counters::set(docstring const & ctr, int const val)
119 CounterList::iterator const it = counterList.find(ctr);
120 if (it == counterList.end()) {
121 lyxerr << "set: Counter does not exist: "
122 << to_utf8(ctr) << endl;
129 void Counters::addto(docstring const & ctr, int const val)
131 CounterList::iterator const it = counterList.find(ctr);
132 if (it == counterList.end()) {
133 lyxerr << "addto: Counter does not exist: "
134 << to_utf8(ctr) << endl;
137 it->second.addto(val);
141 int Counters::value(docstring const & ctr) const
143 CounterList::const_iterator const cit = counterList.find(ctr);
144 if (cit == counterList.end()) {
145 lyxerr << "value: Counter does not exist: "
146 << to_utf8(ctr) << endl;
149 return cit->second.value();
153 void Counters::step(docstring const & ctr)
155 CounterList::iterator it = counterList.find(ctr);
156 if (it == counterList.end()) {
157 lyxerr << "step: Counter does not exist: "
158 << to_utf8(ctr) << endl;
163 it = counterList.begin();
164 CounterList::iterator const end = counterList.end();
165 for (; it != end; ++it) {
166 if (it->second.master() == ctr) {
173 void Counters::reset()
176 current_float_.erase();
177 CounterList::iterator it = counterList.begin();
178 CounterList::iterator const end = counterList.end();
179 for (; it != end; ++it) {
185 void Counters::reset(docstring const & match)
187 BOOST_ASSERT(!match.empty());
189 CounterList::iterator it = counterList.begin();
190 CounterList::iterator end = counterList.end();
191 for (; it != end; ++it) {
192 if (it->first.find(match) != string::npos)
198 void Counters::copy(Counters & from, Counters & to, docstring const & match)
200 CounterList::iterator it = counterList.begin();
201 CounterList::iterator end = counterList.end();
202 for (; it != end; ++it) {
203 if (it->first.find(match) != string::npos || match == "") {
204 to.set(it->first, from.value(it->first));
212 char loweralphaCounter(int const n)
220 char alphaCounter(int const n)
228 char hebrewCounter(int const n)
230 static const char hebrew[22] = {
231 '\xe0', '\xe1', '\xe2', '\xe3', '\xe4', '\xe5', '\xe6', '\xe7', '\xe8',
232 '\xe9', '\xeb', '\xec', '\xee', '\xf0', '\xf1', '\xf2', '\xf4', '\xf6',
233 '\xf7', '\xf8', '\xf9', '\xfa'
238 return hebrew[n - 1];
243 //On the special cases, see http://mathworld.wolfram.com/RomanNumerals.html
244 //and for a list of roman numerals up to and including 3999, see
245 //http://www.research.att.com/~njas/sequences/a006968.txt. (Thanks to Joost
247 docstring const romanCounter(int const n)
249 static char const * const ones[9] = {
250 "I", "II", "III", "IV", "V",
251 "VI", "VII", "VIII", "IX"
254 static char const * const tens[9] = {
255 "X", "XX", "XXX", "XL", "L",
256 "LX", "LXX", "LXXX", "XC"
259 static char const * const hunds[9] = {
260 "C", "CC", "CCC", "CD", "D",
261 "DC", "DCC", "DCCC", "CM"
264 if (n > 1000 || n < 1)
265 return from_ascii("??");
279 int hundreds = val / 100;
280 roman = hunds[hundreds - 1];
287 roman = roman + "XC";
291 int tensnum = val / 10;
292 roman = roman + tens[tensnum - 1];
297 roman = roman + ones[val -1];
299 return from_ascii(roman);
303 docstring const lowerromanCounter(int const n)
305 return support::lowercase(romanCounter(n));
311 docstring Counters::labelItem(docstring const & ctr,
312 docstring const & numbertype)
314 CounterList::const_iterator const cit = counterList.find(ctr);
315 if (cit == counterList.end()) {
318 << " does not exist." << endl;
322 int val = cit->second.value();
324 if (numbertype == "hebrew")
325 return docstring(1, hebrewCounter(val));
327 if (numbertype == "alph")
328 return docstring(1, loweralphaCounter(val));
330 if (numbertype == "Alph")
331 return docstring(1, alphaCounter(val));
333 if (numbertype == "roman")
334 return lowerromanCounter(val);
336 if (numbertype == "Roman")
337 return romanCounter(val);
339 return convert<docstring>(val);
343 docstring Counters::theCounter(docstring const & counter)
345 if (!hasCounter(counter))
346 return from_ascii("??");
348 Counter const & c = counterList[counter];
349 docstring ls = appendix() ? c.labelStringAppendix() : c.labelString();
352 if (!c.master().empty())
353 ls = from_ascii("\\the") + c.master() + from_ascii(".");
354 ls += from_ascii("\\arabic{") + counter + "}";
356 return counterLabel(ls);
360 docstring Counters::counterLabel(docstring const & format)
362 docstring label = format;
364 // FIXME: Using regexps would be better, but we compile boost without
365 // wide regexps currently.
368 //lyxerr << "label=" << to_utf8(label) << endl;
369 size_t const i = label.find(from_ascii("\\the"), 0);
370 if (i == docstring::npos)
374 while (k < label.size() && lowercase(label[k]) >= 'a'
375 && lowercase(label[k]) <= 'z')
377 docstring counter = label.substr(j, k - j);
378 docstring repl = theCounter(counter);
379 label.replace(i, k - j + 4, repl);
383 //lyxerr << "label=" << to_utf8(label) << endl;
385 size_t const i = label.find('\\', 0);
386 if (i == docstring::npos)
388 size_t const j = label.find('{', i + 1);
389 if (j == docstring::npos)
391 size_t const k = label.find('}', j + 1);
392 if (k == docstring::npos)
394 docstring const numbertype(label, i + 1, j - i - 1);
395 docstring const counter(label, j + 1, k - j - 1);
396 docstring const rep = labelItem(counter, numbertype);
397 label = docstring(label, 0, i) + rep
398 + docstring(label, k + 1, docstring::npos);
400 //lyxerr << "DONE! label=" << to_utf8(label) << endl;