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0be0fcfd59
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7598 a592a061-630c-0410-9148-cb99ea01b6c8
108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
/**
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* \file chset.C
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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 Jean-Marc Lasgouttes
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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 "chset.h"
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#include "support/filetools.h"
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#include "support/lyxlib.h"
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#include "debug.h"
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#include <boost/regex.hpp>
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#include <fstream>
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using namespace lyx::support;
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using std::ifstream;
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using std::getline;
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using std::pair;
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using std::make_pair;
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using std::endl;
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using boost::regex;
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using boost::regex_match;
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#ifndef USE_INCLUDED_STRING
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using boost::smatch;
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#else
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using boost::cmatch;
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#endif
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bool CharacterSet::loadFile(string const & fname)
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{
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map_.clear();
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name_.erase();
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// ascii 7-bit
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if (fname.empty() || fname == "ascii")
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return true;
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// open definition file
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lyxerr[Debug::KBMAP]
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<< "Reading character set file " << fname << ".cdef" << endl;
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string const filename = LibFileSearch("kbd", fname, "cdef");
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ifstream ifs(filename.c_str());
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if (!ifs) {
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lyxerr << "Unable to open character set file" << endl;
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return true; // no definition, use 7-bit ascii
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}
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name_ = fname;
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string line;
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// Ok, I'll be the first to admit that this is probably not
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// the fastest way to parse the cdef files, but I though it
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// was a bit neat. Anyway it is wrong to use the lyxlex parse
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// without the use of a keyword table.
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regex reg("^([12][0-9][0-9])[ \t]+\"([^ ]+)\".*");
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while (getline(ifs, line)) {
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#ifndef USE_INCLUDED_STRING
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smatch sub;
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#else
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cmatch sub;
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#endif
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if (regex_match(STRCONV(line), sub, reg)) {
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int const n = atoi(STRCONV(sub.str(1)));
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string const str = STRCONV(sub.str(2));
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if (lyxerr.debugging(Debug::KBMAP))
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lyxerr << "Chardef: " << n
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<< " to [" << str << ']' << endl;
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map_[str] = n;
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}
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}
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lyxerr[Debug::KBMAP] << "End of parsing of .cdef file." << endl;
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return false;
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}
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pair<bool, int> const CharacterSet::encodeString(string const & str) const
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{
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lyxerr[Debug::KBMAP] << "Checking if we know [" << str << ']' << endl;
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bool ret = false;
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int val = 0;
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Cdef::const_iterator cit = map_.find(str);
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if (cit != map_.end()) {
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ret = true;
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val = cit->second;
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}
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lyxerr[Debug::KBMAP] << " "
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<< (ret ? "yes we" : "no we don't")
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<< " know [" << str << ']' << endl;
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return make_pair(ret, val);
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}
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string const & CharacterSet::getName() const
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{
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return name_;
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}
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