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https://git.lyx.org/repos/lyx.git
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666140b7f2
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@859 a592a061-630c-0410-9148-cb99ea01b6c8
169 lines
3.4 KiB
C
169 lines
3.4 KiB
C
/* 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 1995-2000 The LyX Team.
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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 "insetcommand.h"
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#include "debug.h"
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#include "Painter.h"
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using std::ostream;
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using std::endl;
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InsetCommand::InsetCommand()
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{
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}
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InsetCommand::InsetCommand(string const & cmd, string const & arg,
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string const & opt)
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: cmdname(cmd), options(opt), contents(arg)
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{
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}
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// In lyxf3 this will be just LaTeX
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void InsetCommand::Write(Buffer const *, ostream & os) const
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{
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os << "LatexCommand " << getCommand() << "\n";
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}
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void InsetCommand::scanCommand(string const & cmd)
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{
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string tcmdname, toptions, tcontents;
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if (cmd.empty()) return;
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enum { WS, CMDNAME, OPTION, CONTENT } state = WS;
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// Used to handle things like \command[foo[bar]]{foo{bar}}
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int nestdepth = 0;
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for (string::size_type i = 0; i < cmd.length(); ++i) {
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char c = cmd[i];
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if ((state == CMDNAME && c == ' ') ||
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(state == CMDNAME && c == '[') ||
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(state == CMDNAME && c == '{')) {
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state = WS;
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}
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if ((state == OPTION && c == ']') ||
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(state == CONTENT && c == '}')) {
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if (nestdepth == 0) {
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state = WS;
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} else {
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--nestdepth;
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}
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}
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if ((state == OPTION && c == '[') ||
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(state == CONTENT && c == '{')) {
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++nestdepth;
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}
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switch (state) {
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case CMDNAME: tcmdname += c; break;
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case OPTION: toptions += c; break;
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case CONTENT: tcontents += c; break;
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case WS:
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if (c == '\\') {
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state = CMDNAME;
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} else if (c == '[') {
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state = OPTION;
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nestdepth = 0; // Just to be sure
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} else if (c == '{') {
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state = CONTENT;
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nestdepth = 0; // Just to be sure
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}
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break;
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}
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}
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// Don't mess with this.
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if (!tcmdname.empty()) cmdname = tcmdname;
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if (!toptions.empty()) options = toptions;
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if (!tcontents.empty()) setContents(tcontents);
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// setContents is overloaded in InsetInclude
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if (lyxerr.debugging(Debug::PARSER))
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lyxerr << "Command <" << cmd
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<< "> == <" << getCommand()
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<< "> == <" << getCmdName()
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<< '|' << getContents()
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<< '|' << getOptions() << '>' << endl;
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}
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// This function will not be necessary when lyx3
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void InsetCommand::Read(Buffer const *, LyXLex & lex)
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{
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string token;
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if (lex.EatLine()) {
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token = lex.GetString();
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scanCommand(token);
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} else
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lex.printError("InsetCommand: Parse error: `$$Token'");
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while (lex.IsOK()) {
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lex.nextToken();
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token = lex.GetString();
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if (token == "\\end_inset")
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break;
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}
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if (token != "\\end_inset") {
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lex.printError("Missing \\end_inset at this point. "
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"Read: `$$Token'");
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}
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}
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int InsetCommand::Latex(Buffer const *, ostream & os, bool /*fragile*/, bool/*fs*/) const
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{
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os << getCommand();
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return 0;
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}
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int InsetCommand::Ascii(Buffer const *, ostream &) const
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{
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return 0;
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}
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int InsetCommand::Linuxdoc(Buffer const *, ostream &) const
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{
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return 0;
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}
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int InsetCommand::DocBook(Buffer const *, ostream &) const
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{
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return 0;
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}
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Inset * InsetCommand::Clone() const
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{
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return new InsetCommand(cmdname, contents, options);
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}
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string InsetCommand::getCommand() const
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{
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string s;
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if (!cmdname.empty()) s += "\\"+cmdname;
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if (!options.empty()) s += "["+options+']';
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s += "{"+contents+'}';
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return s;
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}
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