mirror of
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e6d998d33c
Wrong behaviour before this commit: Open new lyx-file insert unicode-insert 0x025c 0x1d08 Open adv-find dialog search for unicode 0x025c OK search for unicode 0x1d08 OK search with regex for unicode 0x025c OK search with regex for unicode 0x1d08 ==> NOT OK (because we are searching for \textrevepsilon and this was mapped to 0x025c
707 lines
18 KiB
C++
707 lines
18 KiB
C++
// -*- C++ -*-
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/**
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* \file MathStream.h
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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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#ifndef MATH_MATHMLSTREAM_H
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#define MATH_MATHMLSTREAM_H
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#include "InsetMath.h"
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#include "FontInfo.h"
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#include "TexRow.h"
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#include "texstream.h"
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#include "support/Changer.h"
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#include "support/strfwd.h"
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namespace lyx {
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class Encoding;
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class MathAtom;
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class MathData;
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//
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// LaTeX/LyX
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//
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class TeXMathStream {
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public:
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///
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enum OutputType {
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wsDefault,
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wsDryrun,
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wsPreview,
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wsSearchAdv
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};
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///
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enum UlemCmdType {
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NONE,
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UNDERLINE,
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STRIKEOUT
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};
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///
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explicit TeXMathStream(otexrowstream & os, bool fragile = false,
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bool latex = false, OutputType output = wsDefault,
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Encoding const * encoding = nullptr);
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///
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~TeXMathStream();
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///
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int line() const { return line_; }
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///
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bool fragile() const { return fragile_; }
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///
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bool latex() const { return latex_; }
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///
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OutputType output() const { return output_; }
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///
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otexrowstream & os() { return os_; }
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///
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TexRow & texrow() { return os_.texrow(); }
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///
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bool & firstitem() { return firstitem_; }
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///
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void addlines(unsigned int);
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/// record whether we can write an immediately following newline char
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void canBreakLine(bool breakline) { canbreakline_ = breakline; }
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/// tell whether we can write an immediately following newline char
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bool canBreakLine() const { return canbreakline_; }
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/// record whether we have to take care for striking out display math
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void strikeoutMath(bool mathsout) { mathsout_ = mathsout; }
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/// tell whether we have to take care for striking out display math
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bool strikeoutMath() const { return mathsout_; }
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/// record which ulem command type we are inside
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void ulemCmd(UlemCmdType ulemcmd) { ulemcmd_ = ulemcmd; }
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/// tell which ulem command type we are inside
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UlemCmdType ulemCmd() const { return ulemcmd_; }
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/// writes space if next thing is isalpha()
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void pendingSpace(bool space);
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/// writes space if next thing is isalpha()
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bool pendingSpace() const { return pendingspace_; }
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/// write braces if a space is pending and next char is [
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/// or when a prime immediately follows a superscript
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void useBraces(bool braces);
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/// write braces if a space is pending and next char is [
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/// or when a prime immediately follows a superscript
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bool useBraces() const { return usebraces_; }
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/// tell whether to write the closing brace of \ensuremath
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void pendingBrace(bool brace);
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/// tell whether to write the closing brace of \ensuremath
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bool pendingBrace() const { return pendingbrace_; }
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/// tell whether we are in text mode or not when producing latex code
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void textMode(bool textmode);
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/// tell whether we are in text mode or not when producing latex code
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bool textMode() const { return textmode_; }
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/// tell whether we are allowed to switch mode when producing latex code
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void lockedMode(bool locked);
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/// tell whether we are allowed to switch mode when producing latex code
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bool lockedMode() const { return locked_; }
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/// tell whether to use only ascii chars when producing latex code
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void asciiOnly(bool ascii);
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/// tell whether to use only ascii chars when producing latex code
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bool asciiOnly() const { return ascii_; }
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/// tell whether we are in a MathClass inset
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void inMathClass(bool mathclass) { mathclass_ = mathclass; }
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/// tell whether we are in a MathClass inset
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bool inMathClass() const { return mathclass_; }
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/// LaTeX encoding
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Encoding const * encoding() const { return encoding_; }
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/// Temporarily change the TexRow information about the outer row entry.
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Changer changeRowEntry(TexRow::RowEntry entry);
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/// TexRow::starts the innermost outer math inset
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/// returns true if the outer row entry will appear at this line
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bool startOuterRow();
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private:
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///
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otexrowstream & os_;
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/// do we have to write \\protect sometimes
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bool fragile_ = false;
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/// are we at the beginning of an MathData?
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bool firstitem_ = false;
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/// are we writing to .tex?
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int latex_ = false;
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/// output type (default, source preview, instant preview)?
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OutputType output_ = wsDefault;
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/// do we have a space pending?
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bool pendingspace_ = false;
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/// do we have to write braces when a space is pending and [ follows,
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/// or when a prime immediately follows a superscript?
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bool usebraces_ = false;
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/// do we have a brace pending?
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bool pendingbrace_ = false;
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/// are we in text mode when producing latex code?
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bool textmode_ = false;
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/// are we allowed to switch mode when producing latex code?
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bool locked_ = false;
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/// should we use only ascii chars when producing latex code?
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bool ascii_ = false;
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/// are we allowed to output an immediately following newline?
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bool canbreakline_ = true;
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/// should we take care for striking out display math?
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bool mathsout_ = false;
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/// what ulem command are we inside (none, underline, strikeout)?
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UlemCmdType ulemcmd_ = NONE;
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///
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int line_ = 0;
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///
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Encoding const * encoding_ = nullptr;
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/// Row entry we are in
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TexRow::RowEntry row_entry_ = TexRow::row_none;
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/// whether we are in a MathClass inset
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bool mathclass_ = false;
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};
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///
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TeXMathStream & operator<<(TeXMathStream &, MathAtom const &);
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///
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TeXMathStream & operator<<(TeXMathStream &, MathData const &);
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///
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TeXMathStream & operator<<(TeXMathStream &, docstring const &);
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///
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TeXMathStream & operator<<(TeXMathStream &, char const * const);
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///
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TeXMathStream & operator<<(TeXMathStream &, char);
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///
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TeXMathStream & operator<<(TeXMathStream &, int);
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///
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TeXMathStream & operator<<(TeXMathStream &, unsigned int);
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/// ensure correct mode, possibly by opening \ensuremath or \lyxmathsym
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bool ensureMath(TeXMathStream & os, bool needs_mathmode = true,
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bool macro = false, bool textmode_macro = false);
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/// ensure the requested mode, possibly by closing \ensuremath or \lyxmathsym
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int ensureMode(TeXMathStream & os, InsetMath::mode_type mode, bool locked, bool ascii);
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/**
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* MathEnsurer - utility class for ensuring math mode
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*
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* A local variable of this type can be used to either ensure math mode
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* or delay the writing of a pending brace when outputting LaTeX.
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* A LyX InsetMathMacro is always assumed needing a math mode environment, while
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* no assumption is made for macros defined through \newcommand or \def.
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*
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* Example 1:
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*
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* MathEnsurer ensurer(os);
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*
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* If not already in math mode, inserts an \ensuremath command followed
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* by an open brace. This brace will be automatically closed when exiting
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* math mode. Math mode is automatically exited when writing something
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* that doesn't explicitly require math mode.
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*
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* Example 2:
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*
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* MathEnsurer ensurer(os, false);
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*
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* Simply suspend writing a closing brace until the end of ensurer's scope.
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*
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* Example 3:
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*
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* MathEnsurer ensurer(os, needs_mathmode, true, textmode_macro);
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*
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* This form is mainly used for math macros as they are treated specially.
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* In essence, the macros defined in the lib/symbols file and tagged as
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* textmode will be enclosed in \lyxmathsym if they appear in a math mode
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* environment, while macros defined in the preamble or ERT are left as is.
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* The third parameter must be set to true and the fourth parameter has also
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* to be specified. Only the following 3 different cases are handled.
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*
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* When the needs_mathmode parameter is true the behavior is as in Example 1.
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* This is the case for a LyX InsetMathMacro or a macro not tagged as textmode.
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*
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* When the needs_mathmode and textmode_macro parameters are both false the
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* macro is left in the same (text or math mode) environment it was entered.
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* This is because it is assumed that the macro was designed for that mode
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* and we have no way to tell the contrary.
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* This is the case for macros defined by using \newcommand or \def in ERT.
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*
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* When the needs_mathmode parameter is false while textmode_macro is true the
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* macro will be enclosed in \lyxmathsym if it appears in a math mode environment.
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* This is the case for the macros tagged as textmode in lib/symbols.
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*/
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class MathEnsurer
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{
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public:
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///
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explicit MathEnsurer(TeXMathStream & os, bool needs_mathmode = true,
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bool macro = false, bool textmode_macro = false)
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: os_(os), brace_(ensureMath(os, needs_mathmode, macro, textmode_macro)) {}
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///
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~MathEnsurer() { os_.pendingBrace(brace_); }
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private:
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///
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TeXMathStream & os_;
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///
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bool brace_;
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};
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/**
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* ModeSpecifier - utility class for specifying a given mode (math or text)
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*
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* A local variable of this type can be used to specify that a command or
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* environment works in a given mode. For example, \mbox works in text
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* mode, but \boxed works in math mode. Note that no mode changing commands
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* are needed, but we have to track the current mode, hence this class.
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* This is only used when exporting to latex and helps determining whether
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* the mode needs being temporarily switched when a command would not work
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* in the current mode. As there are cases where this switching is to be
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* avoided, the optional third parameter can be used to lock the mode.
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* When the mode is locked, the optional fourth parameter specifies whether
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* strings are to be output by using a suitable ascii representation.
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*
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* Example 1:
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*
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* ModeSpecifier specifier(os, TEXT_MODE);
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*
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* Sets the current mode to text mode and allows mode switching.
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*
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* Example 2:
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*
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* ModeSpecifier specifier(os, TEXT_MODE, true);
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*
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* Sets the current mode to text mode and disallows mode switching.
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*
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* Example 3:
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*
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* ModeSpecifier specifier(os, TEXT_MODE, true, true);
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*
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* Sets the current mode to text mode, disallows mode switching, and outputs
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* strings as ascii only.
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*
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* At the end of specifier's scope the mode is reset to its previous value.
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*/
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class ModeSpecifier
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{
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public:
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///
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explicit ModeSpecifier(TeXMathStream & os, InsetMath::mode_type mode,
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bool locked = false, bool ascii = false)
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: os_(os), oldmodes_(ensureMode(os, mode, locked, ascii)) {}
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///
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~ModeSpecifier()
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{
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os_.textMode(oldmodes_ & 0x01);
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os_.lockedMode(oldmodes_ & 0x02);
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os_.asciiOnly(oldmodes_ & 0x04);
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}
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private:
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///
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TeXMathStream & os_;
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///
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int oldmodes_;
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};
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//
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// MathML
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//
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/// Start tag.
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class MTag {
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public:
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///
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MTag(char const * const tag, std::string const & attr = std::string())
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: tag_(tag), attr_(attr) {}
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///
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char const * const tag_;
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///
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std::string attr_;
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};
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/// Start inline tag.
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class MTagInline {
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public:
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///
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MTagInline(char const * const tag, std::string const & attr = std::string())
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: tag_(tag), attr_(attr) {}
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///
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char const * const tag_;
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///
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std::string attr_;
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};
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/// End tag.
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class ETag {
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public:
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///
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explicit ETag(char const * const tag) : tag_(tag) {}
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///
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char const * const tag_;
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};
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/// End inlinetag.
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class ETagInline {
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public:
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///
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explicit ETagInline(char const * const tag) : tag_(tag) {}
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///
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char const * const tag_;
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};
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/// Compound tag (no content, directly closed).
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class CTag {
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public:
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///
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CTag(char const * const tag, std::string const & attr = "")
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: tag_(tag), attr_(attr) {}
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///
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char const * const tag_;
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///
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std::string attr_;
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};
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/// Throw MathExportException to signal that the attempt to export
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/// some math in the current format did not succeed. E.g., we can't
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/// export xymatrix as MathML, so that will throw, and we'll fall back
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/// to images.
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class MathExportException : public std::exception {};
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class MathMLStream {
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public:
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/// Builds a stream proxy for os; the MathML namespace is given by xmlns (supposed to be already defined elsewhere in the document).
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explicit MathMLStream(odocstream & os, std::string const & xmlns = "", bool xmlMode = false);
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///
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void cr();
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///
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odocstream & os() { return os_; }
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///
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int line() const { return line_; }
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///
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int & tab() { return tab_; }
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///
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friend MathMLStream & operator<<(MathMLStream &, char const *);
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///
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void defer(docstring const &);
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///
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void defer(std::string const &);
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///
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docstring deferred() const;
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///
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bool inText() const { return in_text_; }
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///
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std::string xmlns() const { return xmlns_; }
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///
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bool xmlMode() const { return xml_mode_; }
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/// Returns the tag name prefixed by the name space if needed.
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std::string namespacedTag(std::string const & tag) const {
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return (xmlns().empty() ? "" : xmlns() + ":") + tag;
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}
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/// Returns the current math style in the stream.
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const MathStyle & getFontMathStyle() const { return font_math_style_; }
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/// Returns the current math style in the stream.
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void setFontMathStyle(const MathStyle style) { font_math_style_ = style; }
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private:
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///
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void setTextMode(bool t) { in_text_ = t; }
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///
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odocstream & os_;
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///
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int tab_;
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///
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int line_;
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///
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bool in_text_;
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///
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odocstringstream deferred_;
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///
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std::string xmlns_;
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///
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bool xml_mode_;
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/// The only important part of a FontInfo object.
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MathStyle font_math_style_;
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///
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friend class SetMode;
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};
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///
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MathMLStream & operator<<(MathMLStream &, MathAtom const &);
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///
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MathMLStream & operator<<(MathMLStream &, MathData const &);
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///
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MathMLStream & operator<<(MathMLStream &, docstring const &);
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///
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MathMLStream & operator<<(MathMLStream &, char const *);
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///
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MathMLStream & operator<<(MathMLStream &, char);
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///
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MathMLStream & operator<<(MathMLStream &, char_type);
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///
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MathMLStream & operator<<(MathMLStream &, MTag const &);
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///
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MathMLStream & operator<<(MathMLStream &, MTagInline const &);
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///
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MathMLStream & operator<<(MathMLStream &, ETag const &);
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///
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MathMLStream & operator<<(MathMLStream &, ETagInline const &);
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///
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MathMLStream & operator<<(MathMLStream &, CTag const &);
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/// A simpler version of ModeSpecifier, for MathML
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class SetMode {
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public:
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///
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explicit SetMode(MathMLStream & ms, bool text);
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///
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~SetMode();
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private:
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///
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MathMLStream & ms_;
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///
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bool was_text_;
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};
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class HtmlStream {
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public:
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///
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explicit HtmlStream(odocstream & os);
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///
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void cr();
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///
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odocstream & os() { return os_; }
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///
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int line() const { return line_; }
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///
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int & tab() { return tab_; }
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///
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friend HtmlStream & operator<<(HtmlStream &, char const *);
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///
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void defer(docstring const &);
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///
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void defer(std::string const &);
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///
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docstring deferred() const;
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///
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bool inText() const { return in_text_; }
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private:
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///
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void setTextMode(bool t) { in_text_ = t; }
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///
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odocstream & os_;
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///
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int tab_;
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///
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int line_;
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///
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bool in_text_;
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///
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odocstringstream deferred_;
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///
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friend class SetHTMLMode;
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};
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///
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HtmlStream & operator<<(HtmlStream &, MathAtom const &);
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///
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HtmlStream & operator<<(HtmlStream &, MathData const &);
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///
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HtmlStream & operator<<(HtmlStream &, docstring const &);
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///
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HtmlStream & operator<<(HtmlStream &, char const *);
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///
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HtmlStream & operator<<(HtmlStream &, char);
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///
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HtmlStream & operator<<(HtmlStream &, char_type);
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///
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HtmlStream & operator<<(HtmlStream &, MTag const &);
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///
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HtmlStream & operator<<(HtmlStream &, ETag const &);
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class SetHTMLMode {
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public:
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///
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explicit SetHTMLMode(HtmlStream & os, bool text);
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///
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~SetHTMLMode();
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private:
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///
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HtmlStream & os_;
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///
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bool was_text_;
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};
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//
|
|
// Debugging
|
|
//
|
|
|
|
class NormalStream {
|
|
public:
|
|
///
|
|
explicit NormalStream(odocstream & os) : os_(os) {}
|
|
///
|
|
odocstream & os() { return os_; }
|
|
private:
|
|
///
|
|
odocstream & os_;
|
|
};
|
|
|
|
///
|
|
NormalStream & operator<<(NormalStream &, MathAtom const &);
|
|
///
|
|
NormalStream & operator<<(NormalStream &, MathData const &);
|
|
///
|
|
NormalStream & operator<<(NormalStream &, docstring const &);
|
|
///
|
|
NormalStream & operator<<(NormalStream &, char const *);
|
|
///
|
|
NormalStream & operator<<(NormalStream &, char);
|
|
///
|
|
NormalStream & operator<<(NormalStream &, int);
|
|
|
|
|
|
//
|
|
// Maple
|
|
//
|
|
|
|
|
|
class MapleStream {
|
|
public:
|
|
///
|
|
explicit MapleStream(odocstream & os) : os_(os) {}
|
|
///
|
|
odocstream & os() { return os_; }
|
|
private:
|
|
///
|
|
odocstream & os_;
|
|
};
|
|
|
|
|
|
///
|
|
MapleStream & operator<<(MapleStream &, MathAtom const &);
|
|
///
|
|
MapleStream & operator<<(MapleStream &, MathData const &);
|
|
///
|
|
MapleStream & operator<<(MapleStream &, docstring const &);
|
|
///
|
|
MapleStream & operator<<(MapleStream &, char_type);
|
|
///
|
|
MapleStream & operator<<(MapleStream &, char const *);
|
|
///
|
|
MapleStream & operator<<(MapleStream &, char);
|
|
///
|
|
MapleStream & operator<<(MapleStream &, int);
|
|
|
|
|
|
//
|
|
// Maxima
|
|
//
|
|
|
|
|
|
class MaximaStream {
|
|
public:
|
|
///
|
|
explicit MaximaStream(odocstream & os) : os_(os) {}
|
|
///
|
|
odocstream & os() { return os_; }
|
|
private:
|
|
///
|
|
odocstream & os_;
|
|
};
|
|
|
|
|
|
///
|
|
MaximaStream & operator<<(MaximaStream &, MathAtom const &);
|
|
///
|
|
MaximaStream & operator<<(MaximaStream &, MathData const &);
|
|
///
|
|
MaximaStream & operator<<(MaximaStream &, docstring const &);
|
|
///
|
|
MaximaStream & operator<<(MaximaStream &, char_type);
|
|
///
|
|
MaximaStream & operator<<(MaximaStream &, char const *);
|
|
///
|
|
MaximaStream & operator<<(MaximaStream &, char);
|
|
///
|
|
MaximaStream & operator<<(MaximaStream &, int);
|
|
|
|
|
|
//
|
|
// Mathematica
|
|
//
|
|
|
|
|
|
class MathematicaStream {
|
|
public:
|
|
///
|
|
explicit MathematicaStream(odocstream & os) : os_(os) {}
|
|
///
|
|
odocstream & os() { return os_; }
|
|
private:
|
|
///
|
|
odocstream & os_;
|
|
};
|
|
|
|
|
|
///
|
|
MathematicaStream & operator<<(MathematicaStream &, MathAtom const &);
|
|
///
|
|
MathematicaStream & operator<<(MathematicaStream &, MathData const &);
|
|
///
|
|
MathematicaStream & operator<<(MathematicaStream &, docstring const &);
|
|
///
|
|
MathematicaStream & operator<<(MathematicaStream &, char const *);
|
|
///
|
|
MathematicaStream & operator<<(MathematicaStream &, char);
|
|
///
|
|
MathematicaStream & operator<<(MathematicaStream &, int);
|
|
|
|
|
|
//
|
|
// Octave
|
|
//
|
|
|
|
|
|
class OctaveStream {
|
|
public:
|
|
///
|
|
explicit OctaveStream(odocstream & os) : os_(os) {}
|
|
///
|
|
odocstream & os() { return os_; }
|
|
private:
|
|
///
|
|
odocstream & os_;
|
|
};
|
|
|
|
///
|
|
OctaveStream & operator<<(OctaveStream &, MathAtom const &);
|
|
///
|
|
OctaveStream & operator<<(OctaveStream &, MathData const &);
|
|
///
|
|
OctaveStream & operator<<(OctaveStream &, docstring const &);
|
|
///
|
|
OctaveStream & operator<<(OctaveStream &, char_type);
|
|
///
|
|
OctaveStream & operator<<(OctaveStream &, char const *);
|
|
///
|
|
OctaveStream & operator<<(OctaveStream &, char);
|
|
///
|
|
OctaveStream & operator<<(OctaveStream &, int);
|
|
|
|
|
|
docstring convertDelimToXMLEscape(docstring const & name, bool xmlmode);
|
|
|
|
} // namespace lyx
|
|
|
|
#endif
|