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Diffstat (limited to 'tex/context/base/strc-lab.mkiv')
| -rw-r--r-- | tex/context/base/strc-lab.mkiv | 239 |
1 files changed, 165 insertions, 74 deletions
diff --git a/tex/context/base/strc-lab.mkiv b/tex/context/base/strc-lab.mkiv index 483791462..0bf65608f 100644 --- a/tex/context/base/strc-lab.mkiv +++ b/tex/context/base/strc-lab.mkiv @@ -15,82 +15,173 @@ \unprotect -% labels, we could share with enumerations and forget about the text; anyhow, figure -% labels etc can use enumerations; we keep labels for compatibility reasons; we need -% the slightly different namespace; we can still define structure counters directly -% (multiple levels) and use an enumeration without following text - -% unfinished ... no longer okay - -\unexpanded\def\setuplabels - {\getparameters[\??db]} - -\unexpanded\def\definelabel - {\dotripleargumentwithset\dodefinelabel} - -\def\dodefinelabel[#1][#2][#3]% #2 or #3 assignment - {\doenumerationinit{#1}{1}\empty - \getparameters[\??dd#1][\c!command=,\c!state=\v!start,\c!location=,\c!text=#1]% - \ifsecondargument\doifassignmentelse{#2}\donetrue\donefalse\else\donetrue\fi - \ifdone - % an independent one - \getparameters[\??dd#1][\s!counter=#1,\s!parent=\??db,#2]% - \dodefinelabelcommands{#1}{\??db}% - \dodefineenumerationcounter{#1}% +%D Labels are implemented somewhat inefficient but have the advantage that they +%D can be controlled like other constructions. Who knows when that comes in +%D handy? + +\installcorenamespace{labels} + +\installcommandhandler \??labels {label} \??labels % plural hash, else clash with label (or rename that one) + +\let\setuplabels\setuplabel + +\setuplabel + [\c!alternative=\v!intext, + \c!headstyle=\v!bold, + \c!titlestyle=\v!bold, + \c!distance=\zeropoint, + \c!width=\v!fit, + \c!titledistance=.5\emwidth, + \c!margin=\v!no, + \c!titleleft=(, + \c!titleright=), + \c!display=\v!no, + \c!titlecommand=, + \c!expansion=\v!no, + \c!way=\v!by\v!text, + \c!prefix=\v!no, + \c!prefixconnector=., + \c!text=\currentlabel, + \c!number=\v!yes, % else description + \c!start=0, + \c!state=\v!start, + \c!levels=3] + +\unexpanded\def\strc_define_commands_label#1#2#3% current level parent + {\doifelsenothing{#3} + {\normalexpanded{\defineconstruction[#1][\s!handler=\v!label,\c!level=#2]}% + \setevalue{\??label#1:\s!parent}{\??label}}% + {\normalexpanded{\defineconstruction[#1][#3][\s!handler=\v!label,\c!level=#2]}% + \setevalue{\??label#1:\s!parent}{\??label#3}}% + \setuevalue{\e!next #1}{\strc_labels_next }% + \setuevalue{\c!reset#1}{\strc_labels_reset }% + %setuevalue{\c!set #1}{\strc_labels_set }% + \setuevalue {#1}{\strc_labels_command{#1}}} + +\appendtoks + \ifx\currentlabelparent\empty + % clone => parent | subclone => clone | subsubclone => subclone + \let\currentlabelsub\empty + \strc_define_commands_label + {\currentlabelsub\currentlabel}% + \plusone + \empty + \edef\p_levels{\labelparameter\c!levels}% + \dostepwiserecurse\plustwo\p_levels\plusone + {\strc_define_commands_label + {\v!sub\currentlabelsub\currentlabel}% + \recurselevel + {\currentlabelsub\currentlabel}% + \edef\currentlabelsub{\v!sub\currentlabelsub}}% \else - \getparameters[\??dd#1][\s!counter=#1,\s!parent=\??dd#2,#3]% - \dodefinelabelcommands{#1}{\??dd#2}% + % clone => parent | subclone => subparent | subsubclone => subsubparent + \let\currentlabelsub\empty + \edef\p_levels{\labelparameter\c!levels}% + \dorecurse\p_levels + {\strc_define_commands_label + {\currentlabelsub\currentlabel}% + \recurselevel + {\currentlabelsub\currentlabelparent}% + \edef\currentlabelsub{\v!sub\currentlabelsub}}% + \fi + \edef\p_counter{\labelparameter\s!counter}% can inherit from parent + \ifx\p_counter\empty % + \let\p_counter\currentlabel + \fi + \doifcounterelse\p_counter\donothing{\strc_labels_define_counter\p_counter}% + \letlabelparameter\s!counter\p_counter + \strc_labels_setup_counter\currentlabel +\to \everydefinelabel + +\let\p_strc_constructions_title \empty +\let\p_strc_constructions_number\empty + +\setvalue{\??constructioninitializer\v!label}% + {\let\currentlabel \currentconstruction + \let\constructionparameter \labelparameter + \let\detokenizedconstructionparameter\detokenizedlabelparameter + \let\letconstructionparameter \letlabelparameter + \let\useconstructionstyleandcolor \uselabelstyleandcolor + \let\setupcurrentconstruction \setupcurrentlabel + % shared with enumerations + \edef\p_strc_constructions_number{\constructionparameter\c!number}% + \ifx\p_strc_constructions_number\v!yes + \settrue\c_strc_constructions_number_state + \iftrialtypesetting + \strc_counters_save\currentconstructionnumber + \fi + \strc_counters_increment_sub\currentconstructionnumber\currentconstructionlevel + \else + \setfalse\c_strc_constructions_number_state + \fi + \edef\p_strc_constructions_title{\constructionparameter\c!title}% + \ifx\p_strc_constructions_title\v!yes + \settrue\c_strc_constructions_title_state + \else + \setfalse\c_strc_constructions_title_state \fi} -\def\dodefinelabelcommands#1#2% - {\setuevalue {#1}{\noexpand\dolabelnumbercommand {#1}}% - \setuevalue{\c!reset #1}{\noexpand\doresetlabelnumber {#1}}% - %\setuevalue{\c!set #1}{\noexpand\dosetlabelnumber {#1}}% [#2] or {#2} ? - \setuevalue{\e!next #1}{\noexpand\donextlabelnumber {#1}}% - \setuevalue{\e!increment#1}{\noexpand\doincrementlabelnumber{#1}}% - \setuevalue{\c!current #1}{\noexpand\docurrentlabelnumber {#1}}} - -% this is just for downward compatibility, we might drop it - -\setvalue{\??db:\c!location:\v!inmargin}{\inmargin} -\setvalue{\??db:\c!location:\v!inleft }{\inleft} -\setvalue{\??db:\c!location:\v!inright }{\inright} -\setvalue{\??db:\c!location:\v!margin }{\inmargin} - -\def\dolabelinit#1% - {\def\currentdescriptionmain{#1}% - \def\currentdescription {#1}% - \def\currentdescriptionlevel{1}} - -\def\docurrentlabelnumber #1{\dolabelinit{#1}\dosingleempty\dodocurrentlabelnumber} -\def\donextlabelnumber #1{\dolabelinit{#1}\dosingleempty\dodonextlabelnumber} -\def\dolabelnumbercommand #1{\dolabelinit{#1}\dosingleempty\dodolabelnumbercommand} - -\def\doresetlabelnumber #1{\dolabelinit{#1}\strc_counters_reset_sub \currentdescriptionnumber\currentdescriptionlevel} -\def\dosetlabelnumber #1#2{\dolabelinit{#1}\strc_counters_set_sub \currentdescriptionnumber\currentdescriptionlevel{#2}} -\def\doincrementlabelnumber #1{\dolabelinit{#1}\strc_counters_increment_sub\currentdescriptionnumber\currentdescriptionlevel} - -\def\dodocurrentlabelnumber[#1]% - {\dontleavehmode - \writestatus{!!!}{todo: reference of label}% - \dotextprefix{\descriptionparameter\c!text}% - \convertedsubcounter[\currentdescriptionnumber][\currentdescriptionlevel]} - -\def\dodonextlabelnumber[#1]% todo: ref - {\strc_counters_increment_sub\currentdescriptionnumber\currentdescriptionlevel - \dodocurrentlabelnumber[\currentdescriptionnumber]} - -\def\dodolabelnumbercommand[#1]% todo: ref - {\dontleavehmode - \descriptionparameter\c!before - \begingroup - \strc_counters_increment_sub\currentdescriptionnumber\currentdescriptionlevel - \usedescriptionstyleandcolor\c!headstyle\c!headcolor - \executeifdefined{\??db:\c!location:\descriptionparameter\c!location}{\descriptionparameter\c!command}{\dodocurrentlabelnumber[#1]}% - \endgroup - \descriptionparameter\c!after} - -\setuplabels - [\s!parent=\??dn] +\setvalue{\??constructionfinalizer\v!label}% + {\ifconditional\c_strc_constructions_number_state + \iftrialtypesetting + \strc_counters_restore\currentconstructionnumber + \fi + \fi} + +%D Interfaces: + +\let\strc_labels_command\strc_descriptions_command +\let\strc_labels_next \strc_enumerations_next +\let\strc_labels_reset \strc_enumerations_reset +%let\strc_labels_set \strc_enumerations_set + +% similar to enumerations + +\newtoks\everysetuplabelcounter + +\let\v_strc_labels_counter_name\empty + +\def\strc_labels_setup_counter#1% + {\edef\v_strc_labels_counter_name{#1}% + \the\everysetuplabelcounter} + +\def\strc_labels_define_counter#1% + {\definecounter[#1]% + \strc_labels_setup_counter{#1}} + +\appendtoks + \strc_counter_setup_using_parameter\v_strc_labels_counter_name\labelparameter +\to \everysetuplabelcounter + +\appendtoks + \strc_labels_setup_counter\currentlabel +\to \everysetuplabel + +% no start stop here + +\expandafter\let\csname\??constructionmainhandler\v!label\expandafter\endcsname\csname\??constructionmainhandler\v!description\endcsname + +\unexpanded\setevalue{\??constructioncommandhandler\v!label}% + {\csname\??constructionstarthandler\v!construction\endcsname + \csname\??constructionstophandler \v!construction\endcsname + \endgroup} + +\unexpanded\setvalue{\??constructiontexthandler\v!label}% + {\begingroup + \useconstructionstyleandcolor\c!headstyle\c!headcolor + \strc_labels_text + \endgroup} + +\let\strc_labels_text\strc_enumerations_text + +% inline variant + +\defineconstructionalternative + [\v!intext] + [\c!renderingsetup=\??constructionrenderings:\v!intext] + +\startsetups[\??constructionrenderings:\v!intext] + \dontleavehmode\box\constructionheadbox +\stopsetups \protect \endinput |