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author | Hans Hagen <pragma@wxs.nl> | 2019-07-31 18:26:52 +0200 |
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committer | Context Git Mirror Bot <phg@phi-gamma.net> | 2019-07-31 18:26:52 +0200 |
commit | 1873d112b56f49e40ece29916ede51933412bca8 (patch) | |
tree | 1ad98a73dfbf2f1a98703f31e0df9e0cdf4f260c /tex/context/base/mkiv/lang-lab.mkxl | |
parent | 47852e5715e7c0374bb6bc173c1728908549e1ed (diff) | |
download | context-1873d112b56f49e40ece29916ede51933412bca8.tar.gz |
2019-07-31 18:13:00
Diffstat (limited to 'tex/context/base/mkiv/lang-lab.mkxl')
-rw-r--r-- | tex/context/base/mkiv/lang-lab.mkxl | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/lang-lab.mkxl b/tex/context/base/mkiv/lang-lab.mkxl new file mode 100644 index 000000000..a527224e9 --- /dev/null +++ b/tex/context/base/mkiv/lang-lab.mkxl @@ -0,0 +1,390 @@ +%D \module +%D [ file=lang-lab, +%D version=1997.08.27, +%D title=\CONTEXT\ Language Macros, +%D subtitle=Labels, +%D author=Hans Hagen / Tobias Burnus, +%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. + +\writestatus{loading}{ConTeXt Language Macros / Labels} + +\registerctxluafile{lang-lab}{} +\registerctxluafile{lang-txt}{} + +\unprotect + +%D Left-overs: + +\ifdefined\sixperemspace \else + \def\sixperemspace{\normalUchar"2006} +\fi + +%D In this module we deal with language dependant labels and prefixes, like in {\em +%D Figure~12} and {\em Chapter 1}. In this file we set the default values. Users can +%D easily overrule these. +%D +%D This module is dedicated to the grandfather of Tobias Burnus, who's extensive +%D languages oriented library helped us a lot in finding the right translations. All +%D those labels are collected in files that reflect their common ancestor. +%D +%D Not all languages can be satisfied with the labeling mechanism as provided here. +%D Chinese for instance put a label in front as well as after a part number. This is +%D why the current implementation of labels supports two labels too. + +%D \macros +%D {setupheadtext, setuplabeltext} +%D +%D First we present some macros that deal with what we will call head and label +%D texts. Such texts are defines by: +%D +%D \showsetup{setupheadtext} +%D \showsetup{setuplabeltext} +%D +%D A regular \CONTEXT\ stores some 1500 labels at most. +%D +%D These commands accept all kind of inputs: +%D +%D \starttyping +%D \setuplabeltext [language] [labellabel=text] +%D \setuplabeltext [language] [labellabel=text,labellabel=text,...] +%D \setuplabeltext [labellabel=text] +%D \setuplabeltext [labellabel=text,labellabel=text,...] +%D \stoptyping +%D +%D The last two cases concern the current language. + +\installcorenamespace{label} + +\let\currentlabelcategory\empty + +\unexpanded\def\definelabelclass + {\dodoubleempty\lang_labels_define_class} + +\def\lang_labels_define_class[#1][#2]% + {\normalexpanded + {\lang_labels_define_class_indeed + {#1}% + {\ifsecondargument#2\else\zerocount\fi}% + \expandafter\noexpand\csname dogetupsome#1text\endcsname + \expandafter\noexpand\csname #1language\endcsname + \expandafter\noexpand\csname dodogetupsome#1text\endcsname + \expandafter\noexpand\csname left#1text\endcsname + \expandafter\noexpand\csname right#1text\endcsname + \expandafter\noexpand\csname #1texts\endcsname + \expandafter\noexpand\csname #1text\endcsname}} + +% hm, not interfaced + +\let\thetextprefix\empty + +\unexpanded\def\lang_labels_define_class_indeed#1#2#3#4#5#6#7#8#9% + {\setuvalue{setup#1text}{\protecttextprefixes#2\def\currenttextprefixclass{#1}\dodoubleempty\lang_labels_text_prefix_setup}% + \setuvalue{preset#1text}{\protecttextprefixes1\def\currenttextprefixclass{#1}\dodoubleempty\lang_labels_text_prefix_setup}% + \setuvalue{copy#1text}{\protecttextprefixes1\def\currenttextprefixclass{#1}\dodoubleempty\lang_labels_text_prefix_copy}% + \setuvalue{start#1text}{\protecttextprefixes1\def\currenttextprefixclass{#1}\dotripleempty\lang_labels_text_prefix_start[#1]}% + \letvalue{stop#1text}\relax + \def#4{\reallanguagetag{\defaultlanguage\currentmainlanguage}}% + \ifnum#2=\plustwo % used for math and tags + \def#3{#5#4}% + \def#5##1##2% ##1=language + {\ifcsname\??label\currentlabelcategory#1:##1:##2\endcsname + \lastnamedcs + \orelse\ifcsname\??label#1:##1:##2\endcsname + \lastnamedcs + % \orelse\ifcsname\??language#4\s!default\endcsname + % \expandafter#5\csname\??language#4\s!default\endcsname{##2}% + \orelse\ifcsname\??language##1\s!default\endcsname + %\expandafter#5\csname\??language##1\s!default\endcsname{##2}% + \expandafter#5\lastnamedcs{##2}% + \orelse\ifcsname\??label\currentlabelcategory#1:##2\endcsname + \lastnamedcs + \orelse\ifcsname\??label#1:##2\endcsname + \lastnamedcs + \orelse\ifcsname\??label\currentlabelcategory#1:\s!en:##2\endcsname + \lastnamedcs + \orelse\ifcsname\??label#1:\s!en:##2\endcsname + \lastnamedcs + \else + ##2% + \fi}% + \let#6\gobbleoneargument + \let#7\gobbleoneargument + \let#8\gobbletwoarguments + \let#9#3% + \else + \unexpanded\def#3{#5#4}% + \unexpanded\def#5##1##2% + {\ifcsname\??label#1:##1:##2\endcsname + %\expandafter\let\expandafter\thetextprefix\csname\??label#1:##1:##2\endcsname + \expandafter\let\expandafter\thetextprefix\lastnamedcs + \orelse\ifcsname\??language#4\s!default\endcsname + %\expandafter#5\csname\??language#4\s!default\endcsname{##2}% + \expandafter#5\lastnamedcs{##2}% + \orelse\ifcsname\??label#1:##2\endcsname + %\expandafter\let\expandafter\thetextprefix\csname\??label#1:##2\endcsname + \expandafter\let\expandafter\thetextprefix\lastnamedcs + \orelse\ifcsname\??label#1:\s!en:##2\endcsname + %\expandafter\let\expandafter\thetextprefix\csname\??label#1:\s!en:##2\endcsname + \expandafter\let\expandafter\thetextprefix\lastnamedcs + \else + \let\thetextprefix\dummytextprefix + \fi}% + \unexpanded\def#6##1{#3{##1}\expandafter\flushleftlabelclass \thetextprefix}% + \unexpanded\def#7##1{#3{##1}\expandafter\flushrightlabelclass\thetextprefix}% + \unexpanded\def#8##1{#3{##1}\expandafter\flushbothlabelclass \thetextprefix}% #2 + \unexpanded\def#9##1{#3{##1}\expandafter\flushleftlabelclass \thetextprefix}% + \fi + \appendtoks + \let#6\firstofoneargument % to be checked + \let#7\firstofoneargument % to be checked + \let#8\firstofoneargument % to be checked + \let#9\firstofoneargument % to be checked + \to \everysimplifycommands} + +\let\flushleftlabelclass \firstoftwoarguments +\let\flushrightlabelclass\secondoftwoarguments +\def\flushbothlabelclass #1#2#3{#1#3#2} +\def\dummytextprefix {\empty\empty} + +%D \macros +%D {headtext, labeltext, leftlabeltext, rightlabeltext, labeltexts} +%D +%D Once defined, head and label texts can be called upon using: +%D +%D \showsetup{headtext} +%D \showsetup{labeltext} +%D +%D \macros +%D {presetheadtext,presetlabeltext} +%D +%D These macros enable us to automatically define head and label texts without +%D replacing predefined ones. They are internal macros. + +\appendtoks \let\labellanguage\currentlanguage \to \everycurrentdate + +\newconstant\protecttextprefixes + +\let\currenttextprefixtag \s!unknown +\let\currenttextprefixclass\s!unknown + +\def\lang_labels_text_prefix_start[#1][#2][#3]% class language name + {\ifthirdargument + \edef\currenttextprefixtag{\reallanguagetag{#2}}% + \edef\currenttextprefixname{#3}% + \else + \edef\currenttextprefixtag{\reallanguagetag\currentmainlanguage}% + \edef\currenttextprefixname{#2}% + \fi + \grabuntil{stop#1text}\lang_labels_text_prefix_start_indeed} + +\def\lang_labels_text_prefix_start_indeed#1% text (not special checking done here yet, only for long texts anyway) + {\expandafter\edef\csname\??label\currenttextprefixclass:\currenttextprefixtag:\currenttextprefixname\endcsname% + {{\clf_strip{#1}}\empty}} + +\def\lang_labels_text_prefix_setup[#1][#2]% + {\ifsecondargument + \edef\currenttextprefixtag{\reallanguagetag{#1}}% + \processcommalist[#2]\lang_labels_text_prefix_setup_indeed + \else + \edef\currenttextprefixtag{\reallanguagetag\currentmainlanguage}% + \processcommalist[#1]\lang_labels_text_prefix_setup_indeed + \fi} + +\def\lang_labels_text_prefix_setup_indeed#1% + {\lang_labels_text_prefix_assign[#1]} + +\def\lang_labels_text_prefix_assign[#1=#2]% + {\lang_labels_text_prefix_assign_indeed{#1}[#2,,]} + +\def\lang_labels_text_prefix_assign_indeed#1% + {\ifcase\protecttextprefixes + % no checking + \expandafter\lang_labels_text_prefix_assign_yes + \or + % checking + \ifcsname\??label\currenttextprefixclass:\currenttextprefixtag:#1\endcsname + \expandafter\expandafter\expandafter\lang_labels_text_prefix_assign_nop + \else + \expandafter\expandafter\expandafter\lang_labels_text_prefix_assign_yes + \fi + \or + % simple assignment (a bit overkill but it fits in the whole) + \expandafter\lang_labels_text_prefix_assign_dumb + \fi{#1}} + +\let\m_lang_labels_left \empty +\let\m_lang_labels_right\empty + +% \def\lang_labels_text_prefix_assign_yes#1[#2,#3,#4]% +% {\def\m_lang_labels_left {#2}% no longer an edef ... else \Word undefined expansion issues +% \def\m_lang_labels_right{#3}% no longer an edef ... else \Word undefined expansion issues +% \ifx\m_lang_labels_right\empty +% \ifx\m_lang_labels_left\empty +% \expandafter\def\csname\??label\currenttextprefixclass:\currenttextprefixtag:#1\endcsname{\empty\empty}% +% \else +% \expandafter\def\csname\??label\currenttextprefixclass:\currenttextprefixtag:#1\endcsname{{#2}\empty}% +% \fi +% \else +% \expandafter\def\csname\??label\currenttextprefixclass:\currenttextprefixtag:#1\endcsname{{#2}{#3}}% +% \fi} +% +% how we love obscure efficicency ... + +\def\lang_labels_text_prefix_assign_yes#1[#2,#3,#4]% + {\def\m_lang_labels_left {#2}% no longer an edef ... else \Word undefined expansion issues + \def\m_lang_labels_right{#3}% no longer an edef ... else \Word undefined expansion issues + \expandafter\def\csname\??label\currenttextprefixclass:\currenttextprefixtag:#1% + \ifx\m_lang_labels_right\empty + \ifx\m_lang_labels_left\empty + \endcsname{\empty\empty}% + \else + \endcsname{{#2}\empty}% + \fi + \else + \endcsname{{#2}{#3}}% + \fi} + +\def\lang_labels_text_prefix_assign_nop#1[#2]% + {} + +\def\lang_labels_text_prefix_assign_dumb#1[#2,#3]% + {\expandafter\def\csname\??label\currenttextprefixclass:\currenttextprefixtag:#1\endcsname{#2}} + +\unexpanded\def\setlabeltextpair#1#2#3#4#5% a fast one for usage at the Lua end + {%\writestatus{!!!!}{#1:\reallanguagetag{#2}:#3}% + \expandafter\def\csname\??label#1:\reallanguagetag{#2}:#3\endcsname{{#4}{#5}}} % class tag key left right + +\def\lang_labels_text_prefix_copy[#1][#2]% + {\ifsecondargument + \edef\currenttextprefixtag{\reallanguagetag{#1}}% + \processcommalist[#2]\lang_labels_text_prefix_copy_indeed + \else + \edef\currenttextprefixtag{\reallanguagetag\currentmainlanguage}% + \processcommalist[#1]\lang_labels_text_prefix_copy_indeed + \fi} + +\def\lang_labels_text_prefix_copy_indeed#1% + {\lang_labels_text_prefix_copy_pair[#1]} + +\def\lang_labels_text_prefix_copy_pair[#1=#2]% + {\lang_labels_text_prefix_copy_pair_indeed{#1}[#2,,]} + +% \def\lang_labels_text_prefix_copy_pair_indeed#1[#2,#3]% +% {\expandafter\let +% \csname\??label\currenttextprefixclass:\currenttextprefixtag:#1\expandafter\endcsname +% \csname\??label\currenttextprefixclass:\currenttextprefixtag:#2\endcsname} +% +% this delays the aliasing so that we can switch maillanguage in between + +\def\lang_labels_text_prefix_copy_pair_indeed#1[#2,#3]% + {\expandafter\edef\csname\??label\currenttextprefixclass:#1\endcsname + {{\noexpand\csname\??label\currenttextprefixclass:\noexpand\reallanguagetag\noexpand\currentmainlanguage:#2\endcsname}{}}} + +\definelabelclass [head] [0] % titles +\definelabelclass [label] [0] % texts +\definelabelclass [mathlabel] [0] % functions +\definelabelclass [taglabel] [2] % tags + +\clf_definelabels{head}{titles}\s!true\relax +\clf_definelabels{label}{texts}\s!true\relax +\clf_definelabels{mathlabel}{functions}\s!false\relax +\clf_definelabels{taglabel}{tags}\s!false\relax + +%D \macros +%D {translate} +%D +%D Sometimes macros contain language specific words that are to be typeset. Such +%D macros can be made (more) language independant by using: +%D +%D \showsetup{translate} +%D +%D like for instance: +%D +%D \starttyping +%D \translate[en=something,nl=iets] +%D \stoptyping +%D +%D which expands to {\em something} or {\em iets}, depending on de current language. + +\installcorenamespace{translation} + +\unexpanded\def\translate + {\dosingleempty\lang_translate} + +\def\lang_translate[#1]% + {\getparameters[\??translation][#1]% + \ifcsname\??translation\currentlanguage\endcsname + \lastnamedcs + \orelse\ifcsname\??translation\s!en\endcsname + \lastnamedcs + \else + [translation #1]% + \fi} + +%D When used without argument, the last defined values are used. This enables +%D repetitive use like +%D +%D \starttyping +%D \en \translate\ means \nl \translate +%D \stoptyping + +%D \macros +%D {assigntranslation} +%D +%D This macro is a system macro, and can be used to assign a translation to a macro. +%D Its form is: +%D +%D \starttyping +%D \assigntranslation[en=something,nl=iets]\to\command +%D \stoptyping + +\unexpanded\def\assigntranslation[#1]\to#2% bad, this \to + {\getparameters[\??translation][#1]% + \edef#2{\begincsname\??translation\currentlanguage\endcsname}} + +%D \macros +%D {commalistsentence} +%D +%D Redone in \LUA: +%D +%D \startbuffer +%D \commalistsentence[aap,noot,mies] +%D \commalistsentence[aap,noot] +%D \commalistsentence[aap] +%D \commalistsentence[a,b,c] +%D \commalistsentence[a,b,c][{ \& },{ and }] +%D \commalistsentence[a,b,c][+,-] +%D \stopbuffer +%D +%D \typebuffer +%D +%D \startlines +%D \getbuffer +%D \stoplines + +\unexpanded\def\commalistsentence + {\dodoubleempty\typo_helpers_concat_comma_list} + +\def\typo_helpers_concat_comma_list[#1][#2]% + {\clf_concatcommalist + text {#1}% + separators {#2}% + separator {\detokenize\expandafter{\normalexpanded{\labeltext{and-1}}}}% + last {\detokenize\expandafter{\normalexpanded{\labeltext{and-2}}}}% + \relax} + +\setuplabeltext [\s!nl] [and-1={{, }}, and-2={{ en }}] % 1, 2 en 3 +\setuplabeltext [\s!en] [and-1={{, }}, and-2={{, }}] % 1, 2, 3 +\setuplabeltext [\s!de] [and-1={{, }}, and-2={{ und }}] % 1, 2 und 3 +\setuplabeltext [\s!hr] [and-1={{, }}, and-2={{ i }}] % 1, 2 i 3 + +%D Goodie (handy at \LUA\ end): + +\unexpanded\def\LABELTEXT#1{\WORD{\labeltext{#1}}} % only for simple cases! + +\protect \endinput |