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Diffstat (limited to 'tex/context/base/mkiv/symb-ini.mkxl')
| -rw-r--r-- | tex/context/base/mkiv/symb-ini.mkxl | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/tex/context/base/mkiv/symb-ini.mkxl b/tex/context/base/mkiv/symb-ini.mkxl deleted file mode 100644 index 53a1f8979..000000000 --- a/tex/context/base/mkiv/symb-ini.mkxl +++ /dev/null @@ -1,341 +0,0 @@ -%D \module -%D [ file=symb-ini, -%D version=1998.07.20, -%D title=\CONTEXT\ Symbol Libraries, -%D subtitle=Basic Symbols Commands, -%D author=Hans Hagen, -%D date=\currentdate, -%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}] -%C -%C This module is part of the \CONTEXT\ macro||package and is -%C therefore copyrighted by \PRAGMA. See mreadme.pdf for -%C details. - -%D The macros described here used to be part of the \type {core-con} module. I -%D decided to move them here when symbolsets saw the light. Let their light shine. - -\writestatus{loading}{ConTeXt Symbol Libraries / Initialization} - -\registerctxluafile{symb-ini}{} - -\unprotect - -%D \macros -%D {definesymbol, symbol} -%D -%D Converting numbers or levels into a character, romannumeral, symbol or something -%D else, is supported by many \CONTEXT\ commands. Therefore we need a mechanism for -%D linking such numbers to their counterparts. -%D -%D First we take care of symbols. These are for instance used in enumerations and -%D itemizations. We have: -%D -%D \showsetup{definesymbol} -%D \showsetup{symbol} -%D -%D Symbols are simply linked to a tag. Such tags can be numbers or strings. -%D -%D \starttyping -%D \definesymbol [1] [$\bullet$] -%D \definesymbol [level 5] [$\star$] -%D \stoptyping - -\installcorenamespace{symbol} -\installcorenamespace{symbols} -\installcorenamespace{symbolset} -\installcorenamespace{symboldefault} - -%D For now we only have one option. - -\installparameterhandler\??symbols {symbols} -\installsetuphandler \??symbols {symbols} - -\appendtoks - \doifelse{\symbolsparameter\c!stylealternative}\v!math - \settrue\setfalse\prefermathovertextchar -\to \everysetupsymbols - -\setupsymbols - [\c!stylealternative=\v!text] - -\let\currentsymbol \empty -\let\currentsymbolset\empty - -\newtoks\t_symb_setups - -\let\m_symb_current_set\empty - -\newconditional\c_symb_found - -\newtoks\everysymbol - -%D We don't use the commandhandler as symbols have their own subsystem for resolving -%D values. - -\permanent\tolerant\protected\def\definesymbol[#1]#*[#2]#*[#3]% - {\ifparameter#3\or - \setvalue{\??symbol#1:#2}{#3}% - \doifsomething{#1}{\addvalue{\??symbolset#1}{#2}}% - \else - \setvalue{\??symbol\m_symb_current_set:#1}{#2}% - \addvalue{\??symbolset\m_symb_current_set}{#1}% - \fi} - -\permanent\protected\def\doifelseinsymbolset#1#2{\ifcsname\??symbol#1:#2\endcsname\expandafter\firstoftwoarguments\else\expandafter\secondoftwoarguments\fi} -\permanent\protected\def\doifinsymbolset #1#2{\ifcsname\??symbol#1:#2\endcsname\expandafter\firstofoneargument \else\expandafter\gobbleoneargument \fi} -\permanent\protected\def\doifelsesymbolset #1{\ifcsname\??symbolset#1\endcsname\expandafter\firstoftwoarguments\else\expandafter\secondoftwoarguments\fi} - -\aliased\let\doifinsymbolsetelse\doifelseinsymbolset -\aliased\let\doifsymbolsetelse \doifelsesymbolset - -\letvalue{\??symbolset}\empty - -%def\symbolset#1{\csname\??symbolset\ifcsname\??symbolset#1\endcsname#1\fi\endcsname} % no [#1], to be used in commalists etc - -\permanent\def\symbolset#1{\begincsname\??symbolset#1\endcsname} % no [#1], to be used in commalists etc - -%D Since symbols are used frequently in interactive documents, we speed up this one. -%D Well, that was history, since now we simplified things a bit, because the low -%D level macros have been sped up every now and then. - -% We support both: -% -% Test test \symbol[whatever]\ test \symbol[whatever]. -% Test test \symbol{whatever} test \symbol{whatever}. - -\permanent\tolerant\protected\def\symbol[#1]#*[#2]% - {\ifarguments - \expandafter\symb_place_argument - \or - \symb_place_argument{#1}% - \or - \dontleavehmode - \edef\currentsymbol{#2}% - \ifcsname\??symbol#1:#2\endcsname - \symb_place_indeed{#1:#2}% maybe use \lastnamescs - \orelse\ifcsname\??symboldefault#1\endcsname - \symb_place_named{#1}% maybe use \lastnamescs - \else - \symb_place_normal - \fi - \fi} - -\def\symb_place_argument#1% - {\dontleavehmode - \edef\currentsymbol{#1}% - \ifcsname\??symbol\currentsymbolset:#1\endcsname - \symb_place_indeed{\currentsymbolset:#1}% - \else - \symb_place_normal - \fi} - -\def\symb_place_normal - {\setfalse\c_symb_found - \the\t_symb_setups - \ifconditional\c_symb_found \else - \symb_place_retry\currentsymbol % hm, isn't this redundant? - \fi} - -\def\symb_place_indeed#1% \relax's prevent lookahead problems - {\settrue\c_symb_found - \begingroup - \the\everysymbol - \csname\??symbol#1\endcsname\relax - \endgroup} - -\letvalue{\??symbol}\firstofoneargument - -\permanent\def\directsymbol#1#2% no \relax, there can be an argument, see lists - {\begincsname\??symbol#1:#2\endcsname} - -\protected\def\symb_fetch - {\ifconditional\c_symb_found - \expandafter\gobbleoneargument - \else - \expandafter\symb_fetch_indeed - \fi} - -\def\symb_fetch_indeed#1% - {\ifcsname\??symbol#1:\currentsymbol\endcsname - \symb_place_indeed{#1:\currentsymbol}% - \orelse\ifcsname\??symboldefault#1\endcsname - \symb_place_named{#1}% - \fi} - -\def\symb_place_named#1% \relax's prevent lookahead problems - {\begingroup - \setbox\scratchbox\hbox\bgroup - \the\everysymbol - \getglyphstyled - {\csname\??symboldefault#1\endcsname}% - {\tochar{n:\currentsymbol}}% - \relax - \egroup - \ifdim\wd\scratchbox>\zeropoint - \unhbox\scratchbox - \endgroup - \setxvalue{\??symbol#1:\currentsymbol}% - {\symb_place_named_indeed{#1}{\currentsymbol}}% - \settrue\c_symb_found - \else - \endgroup - \fi} - -\protected\def\symb_place_named_indeed#1#2% \relax's prevent lookahead problems - {\settrue\c_symb_found - \begingroup - \the\everysymbol - \getglyphstyled - {\csname\??symboldefault#1\endcsname}% - {\tochar{n:#2}}% - \relax - \endgroup} - -\def\symb_place_retry#1% - {\ifcsname\??symbol:#1\endcsname - \symb_place_indeed{:#1}% - \else - #1% - \fi} - -%D \macros -%D {definefiguresymbol} -%D -%D To simplify defining figure symbols, we offer: -%D -%D \showsetup{definefiguresymbol} -%D -%D By default, such symbols scale along the current bodyfont size or running font -%D size (which is better). - -\ifdefined\externalfigure \else \def\externalfigure[#1][#2]{#1} \fi - -\def\defaultsymbolfactor{10} -\def\defaultsymbolheight{1.25ex} - -\permanent\tolerant\protected\def\figuresymbol[#1]#*[#2]% - {\externalfigure[#1][\c!reset=\v!yes,\c!symbol=\v!yes,\c!height=\defaultsymbolheight,#2]} - -\permanent\tolerant\protected\def\definefiguresymbol[#1]#*[#2]#*[#3]% - {\ifarguments\or\else - \definesymbol[#1][{\symb_figure[#2][#3]}]% - \fi} - -%D \macros -%D {doifsymboldefinedelse} -%D -%D A handy private one: - -\def\symb_fetch_first - {\ifconditional\c_symb_found - \expandafter\gobbleoneargument - \else - \expandafter\symb_fetch_first_indeed - \fi} - -\def\symb_fetch_first_indeed#1% - {\doifinsymbolset{#1}\currentsymbol{\settrue\c_symb_found}} - -\def\symb_fetch_second#1% - {\doifinsymbolset\empty\currentsymbol{\settrue\c_symb_found}} - -\permanent\protected\def\doifelsesymboldefined#1% - {\begingroup - \edef\currentsymbol{#1}% - \let\symb_fetch\symb_fetch_first - \setfalse\c_symb_found - \the\t_symb_setups - \ifconditional\c_symb_found - \endgroup\expandafter\firstoftwoarguments - \else - \symb_fetch_second\currentsymbol - \ifconditional\c_symb_found - \endgroup\doubleexpandafter\firstoftwoarguments - \else - \endgroup\doubleexpandafter\secondoftwoarguments - \fi - \fi} - -\aliased\let\doifsymboldefinedelse\doifelsesymboldefined - -%D \macros -%D {setupsymbolset,startsymbolset} -%D -%D From these macro definitions one can deduce that symbols can be grouped in -%D symbol sets: -%D -%D \starttyping -%D \startsymbolset [navigation 1] -%D \definefiguresymbol [Next] [mp-symb.1] -%D \definefiguresymbol [Prev] [mp-symb.2] -%D \stopsymbolset -%D \stoptyping -%D -%D Such a symbol can be typeset with: -%D -%D \starttyping -%D \setupsymbolset[navigation 1]\symbol[Next] -%D \stoptyping -%D -%D or simply: -%D -%D \starttyping -%D \symbol[navigation 1][Next] -%D \stoptyping -%D -%D Formally: -%D -%D \showsetup{setupsymbolset} -%D \showsetup{startsymbolset} - -\installcorenamespace{symbolsets} - -\permanent\tolerant\protected\def\startsymbolset[#1]#*[#2]% - {\pushmacro\m_symb_current_set - \def\m_symb_current_set{#1}% - \ifarguments\or\or - \getdummyparameters[\s!font=,#2]% - \edef\p_font{\dummyparameter\s!font}% - \ifempty\p_font\else - \letvalue{\??symboldefault#1}\p_font - \fi - \fi} - -\permanent\protected\def\stopsymbolset - {\popmacro\m_symb_current_set} - -\permanent\protected\def\setupsymbolset[#1]% - {\edef\currentsymbolset{#1}% - \ifcsname\??symbolsets\currentsymbolset\endcsname \else - \symb_setup_symbol_set - \fi} - -\def\symb_setup_symbol_set - {\normalexpanded{\t_symb_setups{\symb_fetch{\currentsymbolset}\the\t_symb_setups}}% - \letvalue{\??symbolsets\currentsymbolset}\empty} % speedup - -\permanent\protected\def\resetsymbolset - {\t_symb_setups\emptytoks} - -\permanent\protected\def\forcesymbolset[#1]% - {\t_symb_setups{\symb_fetch{#1}}} - -%D \macros -%D {showsymbolset} -%D -%D \showsetup{showsymbolset} - -\fetchruntimecommand \showsymbolset \f!symb_run - -%D \macros -%D {usesymbols} -%D -%D \showsetup{usesymbols} - -\permanent\protected\def\usesymbols[#1]{\clf_usesymbols{#1}} - -%D As longs as symbols are linked to levels or numbers, we can also use the -%D conversion mechanism, but in for instance the itemization macros, we prefer -%D symbols because they can more easier be (partially) redefined. - -\protect \endinput |