%D \module
%D   [       file=xtag-pmu,
%D        version=2001.06.10,
%D          title=\CONTEXT\ XML Support,
%D       subtitle=Units,
%D         author=Hans Hagen,
%D           date=\currentdate,
%D      copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.

\writestatus{loading}{Context XML Macros (units)}

%D Quick and dirty in||line units:
%D
%D \startbuffer
%D <phys>
%D   <cn> 10 </cn>
%D   <cu> <Newton/> <Square/> <Meter/> <Per/> <Sec/> </cu>
%D </phys>
%D \stopbuffer
%D
%D \typebuffer \processXMLbuffer
%D
%D A more \MATHML||like unit application:
%D
%D \startbuffer
%D <phys> <apply> <unit/>
%D   <cn> 10 </cn>
%D   <csymbol> <Square/> <Meter/> <Per/> <Sec/> </csymbol>
%D </apply> </phys>
%D \stopbuffer
%D
%D \typebuffer \processXMLbuffer
%D
%D A bit more compact:
%D
%D \startbuffer
%D <phys> <apply> <unit/>
%D   <cn> 10 </cn>
%D   <cu> <Square/> <Meter/> <Per/> <Sec/> </cu>
%D </apply> </phys>
%D \stopbuffer
%D
%D \typebuffer \processXMLbuffer
%D
%D A bit more complicated:
%D
%D \startbuffer
%D <phys> <apply> <unit/>
%D   <apply> <divide/> <ci> a </ci> <cn> 10 </cn> </apply>
%D   <cu> <Square/> <Meter/> <Per/> <Sec/> </cu>
%D </apply> </phys>
%D \stopbuffer
%D
%D \typebuffer \processXMLbuffer
%D
%D An alternative (equivalent) for \type {</cu>}:
%D
%D \startbuffer
%D <phys> <apply> <unit/>
%D   <cn> 10 </cn> <cunseq> <Square/> <Meter/> <Per/> <Sec/> </cunseq>
%D </apply> </phys>
%D \stopbuffer
%D
%D \typebuffer \processXMLbuffer

\defineXMLsingular [unitmeaning] [label=] \doPMLunitmeaning

\def\doPMLunitmeaning
  {\expanded{\unitmeaning{\XMLop{label}}}}

\startXMLmapping [mml]

\remapXMLsequence [unit]   [CPA] \doPMLuseq
\remapXMLsingular [unit]   [CPA] \doPMLunit % #2\empty
\remapXMLsequence [cunseq] [CPA] \doPMLuseq % #2
\remapXMLsequence [cu]     [CPA] \doPMLuseq % #2

\newif\ifPMLunit \PMLunittrue

\def\doPMLuseq#1#2{\PMLunittrue\ignorespaces#2\unskip\PMLunitfalse}
\def\doPMLunit#1#2\empty{\ignorespaces#2\unskip}

\def\handlePMLunit#1{\ifPMLunit\ignorespaces#1\fi\ignorespaces}

%D All unit commands are remapped in a similar way.

\remapXMLsingular [Atto]       [C] {\handlePMLunit\Atto}
\remapXMLsingular [Femto]      [C] {\handlePMLunit\Femto}
\remapXMLsingular [Pico]       [C] {\handlePMLunit\Pico}
\remapXMLsingular [Nano]       [C] {\handlePMLunit\Nano}
\remapXMLsingular [Micro]      [C] {\handlePMLunit\Micro}
\remapXMLsingular [Milli]      [C] {\handlePMLunit\Milli}
\remapXMLsingular [Centi]      [C] {\handlePMLunit\Centi}
\remapXMLsingular [Deci]       [C] {\handlePMLunit\Deci}
\remapXMLsingular [Hecto]      [C] {\handlePMLunit\Hecto}
\remapXMLsingular [Kilo]       [C] {\handlePMLunit\Kilo}
\remapXMLsingular [Mega]       [C] {\handlePMLunit\Mega}
\remapXMLsingular [Giga]       [C] {\handlePMLunit\Giga}
\remapXMLsingular [Terra]      [C] {\handlePMLunit\Terra}
\remapXMLsingular [Peta]       [C] {\handlePMLunit\Peta}
\remapXMLsingular [Exa]        [C] {\handlePMLunit\Exa}

\remapXMLsingular [Times]      [C] {\handlePMLunit\Times}
\remapXMLsingular [Solidus]    [C] {\handlePMLunit\Solidus}
\remapXMLsingular [Per]        [C] {\handlePMLunit\Per}
\remapXMLsingular [OutOf]      [C] {\handlePMLunit\OutOf}

\remapXMLsingular [Linear]     [C] {\handlePMLunit\Linear}
\remapXMLsingular [Square]     [C] {\handlePMLunit\Square}
\remapXMLsingular [Cubic]      [C] {\handlePMLunit\Cubic}

\remapXMLsingular [Inverse]    [C] {\handlePMLunit\Inverse}

\remapXMLsingular [Degrees]    [C] {\handlePMLunit\Degrees}
\remapXMLsingular [Meter]      [C] {\handlePMLunit\Meter}
\remapXMLsingular [Liter]      [C] {\handlePMLunit\Liter}
\remapXMLsingular [Sec]        [C] {\handlePMLunit\Sec}
\remapXMLsingular [Year]       [C] {\handlePMLunit\Year}
\remapXMLsingular [Month]      [C] {\handlePMLunit\Month}
\remapXMLsingular [Week]       [C] {\handlePMLunit\Week}
\remapXMLsingular [Day]        [C] {\handlePMLunit\Day}
\remapXMLsingular [Hour]       [C] {\handlePMLunit\Hour}
\remapXMLsingular [Min]        [C] {\handlePMLunit\Min}
\remapXMLsingular [Second]     [C] {\handlePMLunit\Sec}
\remapXMLsingular [Rad]        [C] {\handlePMLunit\Rad}
\remapXMLsingular [Deg]        [C] {\handlePMLunit\Deg}
\remapXMLsingular [Hertz]      [C] {\handlePMLunit\Hertz}
\remapXMLsingular [RevPerSec]  [C] {\handlePMLunit\RevPerSec}
\remapXMLsingular [RevPerMin]  [C] {\handlePMLunit\RevPerMin}
\remapXMLsingular [Gram]       [C] {\handlePMLunit\Gram}
\remapXMLsingular [Atom]       [C] {\handlePMLunit\Atom}
\remapXMLsingular [Newton]     [C] {\handlePMLunit\Newton}
\remapXMLsingular [Pascal]     [C] {\handlePMLunit\Pascal}
\remapXMLsingular [Joule]      [C] {\handlePMLunit\Joule}
\remapXMLsingular [Watt]       [C] {\handlePMLunit\Watt}
\remapXMLsingular [Celsius]    [C] {\handlePMLunit\Celsius}
\remapXMLsingular [Kelvin]     [C] {\handlePMLunit\Kelvin}
\remapXMLsingular [Fahrenheit] [C] {\handlePMLunit\Fahrenheit}
\remapXMLsingular [Mol]        [C] {\handlePMLunit\Mol}
\remapXMLsingular [Molair]     [C] {\handlePMLunit\Molair}
\remapXMLsingular [Equivalent] [C] {\handlePMLunit\Equivalent}
\remapXMLsingular [Farad]      [C] {\handlePMLunit\Farad}
\remapXMLsingular [Ohm]        [C] {\handlePMLunit\Ohm}
\remapXMLsingular [Siemens]    [C] {\handlePMLunit\Siemens}
\remapXMLsingular [Ampere]     [C] {\handlePMLunit\Ampere}
\remapXMLsingular [Coulomb]    [C] {\handlePMLunit\Coulomb}
\remapXMLsingular [Volt]       [C] {\handlePMLunit\Volt}
\remapXMLsingular [eVolt]      [C] {\handlePMLunit\eVolt}
\remapXMLsingular [Tesla]      [C] {\handlePMLunit\Tesla}
\remapXMLsingular [VoltAC]     [C] {\handlePMLunit\VoltAC}
\remapXMLsingular [VoltDC]     [C] {\handlePMLunit\VoltDC}
\remapXMLsingular [Baud]       [C] {\handlePMLunit\Baud}
\remapXMLsingular [Bit]        [C] {\handlePMLunit\Bit}
\remapXMLsingular [Byte]       [C] {\handlePMLunit\Byte}
\remapXMLsingular [Bequerel]   [C] {\handlePMLunit\Bequerel}
\remapXMLsingular [Sievert]    [C] {\handlePMLunit\Sievert}
\remapXMLsingular [Candela]    [C] {\handlePMLunit\Candela}
\remapXMLsingular [Bell]       [C] {\handlePMLunit\Bell}
\remapXMLsingular [At]         [C] {\handlePMLunit\At}
\remapXMLsingular [Atm]        [C] {\handlePMLunit\Atm}
\remapXMLsingular [Bar]        [C] {\handlePMLunit\Bar}
\remapXMLsingular [EVolt]      [C] {\handlePMLunit\EVolt}
\remapXMLsingular [Foot]       [C] {\handlePMLunit\Foot}
\remapXMLsingular [Inch]       [C] {\handlePMLunit\Inch}
\remapXMLsingular [Cal]        [C] {\handlePMLunit\Cal}
\remapXMLsingular [Force]      [C] {\handlePMLunit\Force}
\remapXMLsingular [Lux]        [C] {\handlePMLunit\Lux}
\remapXMLsingular [Gray]       [C] {\handlePMLunit\Gray}
\remapXMLsingular [Weber]      [C] {\handlePMLunit\Weber}
\remapXMLsingular [Henry]      [C] {\handlePMLunit\Henry}
\remapXMLsingular [Sterant]    [C] {\handlePMLunit\Sterant}
\remapXMLsingular [Angstrom]   [C] {\handlePMLunit\Angstrom}
\remapXMLsingular [Gauss]      [C] {\handlePMLunit\Gauss}

\remapXMLsingular [Percent]    [C] {\handlePMLunit\Percent}
\remapXMLsingular [Promille]   [C] {\handlePMLunit\Promille}
\remapXMLsingular [Permille]   [C] {\handlePMLunit\Permille}

\remapXMLsingular [Unit]       [C] {\handlePMLunit\Unit}
\remapXMLsingular [NoUnit]     [C] {\handlePMLunit\NoUnit}

\stopXMLmapping

\endinput
