2001-12-28 13:26:54 +00:00
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ======================================================
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "lyxtextclasslist.h"
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#include "lyxtextclass.h"
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#include "debug.h"
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#include "lyxlex.h"
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#include "gettext.h"
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#include "frontends/Alert.h"
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#include "support/lyxfunctional.h"
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#include "support/LAssert.h"
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#include "support/filetools.h"
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#include <utility>
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using lyx::textclass_type;
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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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2002-01-07 14:17:54 +00:00
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using std::find_if;
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using std::sort;
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2001-12-28 13:26:54 +00:00
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// Gets textclass number from name
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pair<bool, textclass_type> const
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LyXTextClassList::NumberOfClass(string const & textclass) const
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{
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ClassList::const_iterator cit =
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find_if(classlist.begin(), classlist.end(),
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lyx::compare_memfun(&LyXTextClass::name, textclass));
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return cit != classlist.end() ?
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make_pair(true, textclass_type(cit - classlist.begin())) :
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make_pair(false, textclass_type(0));
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}
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// Gets a textclass structure from number
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LyXTextClass const &
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2002-03-02 16:39:54 +00:00
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LyXTextClassList::operator[](textclass_type textclass) const
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2001-12-28 13:26:54 +00:00
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{
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classlist[textclass].load();
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if (textclass < classlist.size())
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return classlist[textclass];
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else
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return classlist[0];
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}
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void LyXTextClassList::Add(LyXTextClass const & t)
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{
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classlist.push_back(t);
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}
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// used when sorting the textclass list.
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class less_textclass_desc {
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public:
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int operator()(LyXTextClass const & tc1, LyXTextClass const & tc2) {
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return tc1.description() < tc2.description();
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}
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};
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// Reads LyX textclass definitions according to textclass config file
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bool LyXTextClassList::Read ()
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{
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LyXLex lex(0, 0);
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string real_file = LibFileSearch("", "textclass.lst");
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lyxerr[Debug::TCLASS] << "Reading textclasses from `"
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<< real_file << "'" << endl;
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if (real_file.empty()) {
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lyxerr << "LyXTextClassList::Read: unable to find "
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"textclass file `" << MakeDisplayPath(real_file, 1000)
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<< "'. Exiting." << endl;
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Alert::alert(_("LyX wasn't able to find its layout descriptions!"),
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_("Check that the file \"textclass.lst\""),
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_("is installed correctly. Sorry, has to exit :-("));
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return false;
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// This causes LyX to end... Not a desirable behaviour. Lgb
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// What do you propose? That the user gets a file dialog
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// and is allowed to hunt for the file? (Asger)
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// more that we have a layout for minimal.cls statically
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// compiled in... (Lgb)
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}
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if (!lex.setFile(real_file)) {
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lyxerr << "LyXTextClassList::Read: "
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"lyxlex was not able to set file: "
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<< real_file << endl;
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}
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if (!lex.isOK()) {
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lyxerr << "LyXTextClassList::Read: unable to open "
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"textclass file `" << MakeDisplayPath(real_file, 1000)
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<< "'\nCheck your installation. LyX can't continue."
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<< endl;
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return false;
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}
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bool finished = false;
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// Parse config-file
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lyxerr[Debug::TCLASS] << "Starting parsing of textclass.lst" << endl;
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while (lex.isOK() && !finished) {
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lyxerr[Debug::TCLASS] << "\tline by line" << endl;
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switch (lex.lex()) {
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case LyXLex::LEX_FEOF:
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finished = true;
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break;
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default:
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string const fname = lex.getString();
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lyxerr[Debug::TCLASS] << "Fname: " << fname << endl;
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if (lex.next()) {
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string const clname = lex.getString();
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lyxerr[Debug::TCLASS]
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<< "Clname: " << clname << endl;
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if (lex.next()) {
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string const desc = lex.getString();
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lyxerr[Debug::TCLASS]
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<< "Desc: " << desc << endl;
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// This code is run when we have
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// fname, clname and desc
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LyXTextClass tmpl(fname,
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clname,
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desc);
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if (lyxerr.
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debugging(Debug::TCLASS)) {
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tmpl.load();
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}
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Add (tmpl);
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}
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}
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}
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}
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lyxerr[Debug::TCLASS] << "End of parsing of textclass.lst" << endl;
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if (classlist.empty()) {
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lyxerr << "LyXTextClassList::Read: no textclasses found!"
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<< endl;
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Alert::alert(_("LyX wasn't able to find any layout description!"),
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_("Check the contents of the file \"textclass.lst\""),
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_("Sorry, has to exit :-("));
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return false;
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}
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// Ok everything loaded ok, now sort the list.
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sort(classlist.begin(), classlist.end(), less_textclass_desc());
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return true;
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}
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// Global variable: textclass table.
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LyXTextClassList textclasslist;
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// Reads the style files
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void LyXSetStyle()
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{
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lyxerr[Debug::TCLASS] << "LyXSetStyle: parsing configuration...\n";
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if (!textclasslist.Read()) {
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lyxerr[Debug::TCLASS] << "LyXSetStyle: an error occured "
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"during parsing.\n Exiting." << endl;
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exit(1);
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}
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lyxerr[Debug::TCLASS] << "LyXSetStyle: configuration parsed." << endl;
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}
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