src/LaTeXPackages.cpp

   1 /**
   2  * \file LaTeXPackages.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author José Matos
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Jürgen Vigna
  10  * \author André Pönitz
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "LaTeXPackages.h"
  18
  19 #include "Lexer.h"
  20
  21 #include "support/FileName.h"
  22 #include "support/filetools.h"
  23 #include "support/lstrings.h"
  24
  25
  26 using namespace std;
  27 using namespace lyx::support;
  28
  29
  30 namespace lyx {
  31
  32 LaTeXPackages::Packages LaTeXPackages::packages_;
  33
  34
  35 void LaTeXPackages::getAvailable()
  36 {
  37         Lexer lex;
  38         support::FileName const real_file = libFileSearch("", "packages.lst");
  39
  40         if (real_file.empty())
  41                 return;
  42
  43         lex.setFile(real_file);
  44
  45         if (!lex.isOK())
  46                 return;
  47
  48         // Make sure that we are clean
  49         packages_.clear();
  50
  51         bool finished = false;
  52         // Parse config-file
  53         while (lex.isOK() && !finished) {
  54                 switch (lex.lex()) {
  55                 case Lexer::LEX_FEOF:
  56                         finished = true;
  57                         break;
  58                 default:
  59                         packages_.insert(lex.getString());
  60                 }
  61         }
  62 }
  63
  64
  65 bool LaTeXPackages::isAvailable(string const & name)
  66 {
  67         if (packages_.empty())
  68                 getAvailable();
  69         string n = name;
  70         if (suffixIs(n, ".sty"))
  71                 n.erase(name.length() - 4);
  72         return packages_.find(n) != packages_.end();
  73 }
  74
  75 } // namespace lyx