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https://git.lyx.org/repos/lyx.git
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00413a7841
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4843 a592a061-630c-0410-9148-cb99ea01b6c8
178 lines
3.3 KiB
C
178 lines
3.3 KiB
C
#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 "math_deliminset.h"
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#include "math_parser.h"
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#include "math_support.h"
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#include "math_mathmlstream.h"
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#include "math_streamstr.h"
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#include "math_extern.h"
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using std::max;
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namespace {
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string convertDelimToLatexName(string const & name)
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{
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if (name == "<")
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return name;
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if (name == "(")
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return name;
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if (name == "[")
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return name;
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if (name == ".")
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return name;
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if (name == ">")
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return name;
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if (name == ")")
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return name;
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if (name == "]")
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return name;
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if (name == "/")
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return name;
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if (name == "|")
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return name;
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return "\\" + name + " ";
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}
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}
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MathDelimInset::MathDelimInset(string const & l, string const & r)
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: MathNestInset(1), left_(l), right_(r)
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{}
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MathDelimInset::MathDelimInset
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(string const & l, string const & r, MathArray const & ar)
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: MathNestInset(1), left_(l), right_(r)
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{
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cell(0) = ar;
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}
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MathInset * MathDelimInset::clone() const
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{
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return new MathDelimInset(*this);
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}
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void MathDelimInset::write(WriteStream & os) const
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{
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os << "\\left" << convertDelimToLatexName(left_) << cell(0)
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<< "\\right" << convertDelimToLatexName(right_);
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}
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void MathDelimInset::normalize(NormalStream & os) const
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{
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os << "[delim " << convertDelimToLatexName(left_) << ' '
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<< convertDelimToLatexName(right_) << ' ' << cell(0) << ']';
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}
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int MathDelimInset::dw() const
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{
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int w = height() / 5;
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if (w > 8)
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w = 8;
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if (w < 4)
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w = 4;
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return w;
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}
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void MathDelimInset::metrics(MathMetricsInfo & mi) const
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{
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cell(0).metrics(mi);
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Dimension t;
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mathed_char_dim(mi.base.font, 'I', t);
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int h0 = (t.a + t.d) / 2;
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int a0 = max(cell(0).ascent(), t.a) - h0;
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int d0 = max(cell(0).descent(), t.d) + h0;
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dim_.a = max(a0, d0) + h0;
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dim_.d = max(a0, d0) - h0;
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dim_.w = cell(0).width() + 2 * dw() + 8;
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}
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void MathDelimInset::draw(MathPainterInfo & pi, int x, int y) const
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{
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int const w = dw();
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int const b = y - ascent();
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cell(0).draw(pi, x + w + 4, y);
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mathed_draw_deco(pi, x + 4, b, w, height(), left_);
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mathed_draw_deco(pi, x + width() - w - 4, b, w, height(), right_);
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}
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bool MathDelimInset::isParanthesis() const
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{
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return left_ == "(" && right_ == ")";
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}
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bool MathDelimInset::isBrackets() const
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{
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return left_ == "[" && right_ == "]";
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}
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bool MathDelimInset::isAbs() const
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{
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return left_ == "|" && right_ == "|";
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}
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void MathDelimInset::maplize(MapleStream & os) const
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{
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if (isAbs()) {
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bool mat =
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cell(0).size() == 1 && cell(0).begin()->nucleus()
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&& cell(0).begin()->nucleus()->asMatrixInset();
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if (mat)
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os << "linalg[det](" << cell(0) << ")";
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else
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os << "abs(" << cell(0) << ")";
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}
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else
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os << left_ << cell(0) << right_;
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}
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void MathDelimInset::mathematicize(MathematicaStream & os) const
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{
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if (isAbs()) {
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bool mat =
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cell(0).size() == 1 && cell(0).begin()->nucleus()
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&& cell(0).begin()->nucleus()->asMatrixInset();
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if (mat)
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os << "Det" << cell(0) << ']';
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else
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os << "Abs[" << cell(0) << ']';
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}
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else
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os << left_ << cell(0) << right_;
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}
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void MathDelimInset::mathmlize(MathMLStream & os) const
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{
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os << "<fenced open=\"" << left_ << "\" close=\""
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<< right_ << "\">" << cell(0) << "</fenced>";
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}
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void MathDelimInset::octavize(OctaveStream & os) const
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{
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if (isAbs())
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os << "det(" << cell(0) << ")";
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else
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os << left_ << cell(0) << right_;
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}
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