2 * \file InsetMathString.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "InsetMathString.h"
14 #include "MathStream.h"
15 #include "MathSupport.h"
19 #include "support/gettext.h"
20 #include "support/lstrings.h"
21 #include "support/textutils.h"
26 InsetMathString::InsetMathString(docstring const & s)
31 Inset * InsetMathString::clone() const
33 return new InsetMathString(*this);
37 void InsetMathString::metrics(MetricsInfo & mi, Dimension & dim) const
39 mathed_string_dim(mi.base.font, str_, dim);
43 void InsetMathString::draw(PainterInfo & pi, int x, int y) const
49 void InsetMathString::normalize(NormalStream & os) const
51 os << "[string " << str_ << ' ' << "mathalpha" << ']';
55 void InsetMathString::maple(MapleStream & os) const
57 if (/*code_ != LM_TC_VAR ||*/ str_.size() <= 1) {
58 os << ' ' << str_ << ' ';
62 // insert '*' between adjacent chars if type is LM_TC_VAR
64 for (size_t i = 1; i < str_.size(); ++i)
69 void InsetMathString::mathematica(MathematicaStream & os) const
71 os << ' ' << str_ << ' ';
75 void InsetMathString::octave(OctaveStream & os) const
77 if (/*code_ != LM_TC_VAR ||*/ str_.size() <= 1) {
78 os << ' ' << str_ << ' ';
82 // insert '*' between adjacent chars if type is LM_TC_VAR
84 for (size_t i = 1; i < str_.size(); ++i)
89 void InsetMathString::mathmlize(MathStream & os) const
92 if (code_ == LM_TC_VAR)
93 os << "<mi> " << str_ << " </mi>";
94 else if (code_ == LM_TC_CONST)
95 os << "<mn> " << str_ << " </mn>";
96 else if (code_ == LM_TC_RM || code_ == LM_TC_TEXTRM)
97 os << "<mtext> " << str_ << " </mtext>";
104 void InsetMathString::write(WriteStream & os) const
111 docstring::const_iterator cit = str_.begin();
112 docstring::const_iterator end = str_.end();
114 // We may already be inside an \ensuremath command.
115 bool in_forced_mode = os.pendingBrace();
117 // Track italic shape inside \lyxmathsym
118 bool mathalpha = false;
120 // We will take care of matching braces.
121 os.pendingBrace(false);
124 bool mathmode = in_forced_mode ? os.textMode() : !os.textMode();
125 char_type const c = *cit;
126 docstring command(1, c);
128 if (c < 0x80 || Encodings::latexMathChar(c, mathmode, os.encoding(), command)) {
130 if (in_forced_mode) {
131 // we were inside \lyxmathsym
134 in_forced_mode = false;
136 if (c >= 0x80 && os.textMode()) {
137 os << "\\ensuremath{";
139 in_forced_mode = true;
141 } else if (c < 0x80 && in_forced_mode) {
142 // we were inside \ensuremath
145 in_forced_mode = false;
147 } else if (!os.textMode()) {
148 if (in_forced_mode) {
149 // we were inside \ensuremath
151 in_forced_mode = false;
153 mathalpha = Encodings::isMathAlpha(c);
155 os << "\\lyxmathsym*{";
157 os << "\\lyxmathsym{";
158 in_forced_mode = true;
161 } else if (in_forced_mode && mathalpha != Encodings::isMathAlpha(c)) {
162 // we are already inside \lyxmathsym but
163 // have to change the output shape
164 mathalpha = !mathalpha;
166 os << "}\\lyxmathsym*{";
168 os << "}\\lyxmathsym{";
171 // We may need a space if the command contains a macro
172 // and the last char is ASCII.
173 if (lyx::support::contains(command, '\\')
174 && isAlphaASCII(command[command.size() - 1]))
175 os.pendingSpace(true);
176 } catch (EncodingException & e) {
178 // FIXME: this is OK for View->Source
179 // but math preview will likely fail.
180 os << "<" << _("LyX Warning: ")
181 << _("uncodable character") << " '";
182 os << docstring(1, e.failed_char);
192 if (in_forced_mode && os.textMode()) {
193 // We have to care for closing \lyxmathsym
197 os.pendingBrace(in_forced_mode);