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https://git.lyx.org/repos/lyx.git
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52ed731842
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8544 a592a061-630c-0410-9148-cb99ea01b6c8
130 lines
2.8 KiB
C
130 lines
2.8 KiB
C
/**
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* \file math_macrotemplate.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 André Pönitz
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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 "math_macrotemplate.h"
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#include "math_mathmlstream.h"
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#include "math_parser.h"
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#include "frontends/Painter.h"
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#include "debug.h"
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#include "LColor.h"
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using std::string;
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using std::auto_ptr;
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using std::endl;
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MathMacroTemplate::MathMacroTemplate()
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: MathNestInset(2), numargs_(0), name_(), type_("newcommand")
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{}
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MathMacroTemplate::MathMacroTemplate(string const & nm, int numargs,
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string const & type, MathArray const & ar1, MathArray const & ar2)
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: MathNestInset(2), numargs_(numargs), name_(nm), type_(type)
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{
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if (numargs_ > 9)
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lyxerr << "MathMacroTemplate::MathMacroTemplate: wrong # of arguments: "
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<< numargs_ << std::endl;
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cell(0) = ar1;
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cell(1) = ar2;
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}
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MathMacroTemplate::MathMacroTemplate(std::istream & is)
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: MathNestInset(2), numargs_(0), name_()
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{
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MathArray ar;
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mathed_parse_cell(ar, is);
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if (ar.size() != 1 || !ar[0]->asMacroTemplate()) {
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lyxerr << "cannot read macro from '" << ar << "'" << endl;
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return;
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}
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operator=( *(ar[0]->asMacroTemplate()) );
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}
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auto_ptr<InsetBase> MathMacroTemplate::clone() const
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{
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//lyxerr << "cloning MacroTemplate!" << endl;
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return auto_ptr<InsetBase>(new MathMacroTemplate(*this));
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}
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int MathMacroTemplate::numargs() const
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{
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return numargs_;
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}
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void MathMacroTemplate::numargs(int numargs)
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{
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numargs_ = numargs;
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}
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string MathMacroTemplate::name() const
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{
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return name_;
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}
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void MathMacroTemplate::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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cell(0).metrics(mi);
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cell(1).metrics(mi);
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dim.wid = cell(0).width() + cell(1).width() + 10;
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dim.asc = std::max(cell(0).ascent(), cell(1).ascent()) + 2;
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dim.des = std::max(cell(0).descent(), cell(1).descent()) + 2;
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dim_ = dim;
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}
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void MathMacroTemplate::draw(PainterInfo & pi, int x, int y) const
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{
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int const w0 = cell(0).width();
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int const w1 = cell(1).width();
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cell(0).draw(pi, x + 2, y + 1);
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pi.pain.rectangle(x, y - dim_.ascent() + 1, w0 + 4, dim_.height(),
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LColor::mathline);
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cell(1).draw(pi, x + 8 + w0, y + 1);
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pi.pain.rectangle(x + w0 + 6 , y - dim_.ascent() + 1, w1 + 4,
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dim_.height(), LColor::mathline);
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}
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void MathMacroTemplate::write(WriteStream & os) const
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{
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if (type_ == "def") {
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os << "\n\\def\\" << name_.c_str();
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for (int i = 1; i <= numargs_; ++i)
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os << '#' << i;
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} else {
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// newcommand or renewcommand
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os << "\n\\" << type_.c_str() << "{\\" << name_.c_str() << '}';
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if (numargs_ > 0)
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os << '[' << numargs_ << ']';
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}
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os << '{' << cell(0) << "}";
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if (os.latex()) {
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// writing .tex. done.
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os << "\n";
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} else {
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// writing .lyx, write special .tex export only if necessary
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if (!cell(1).empty())
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os << "\n{" << cell(1) << '}';
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}
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}
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