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author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/generic/dowith/domore.sty |
Initial commit
Diffstat (limited to 'macros/generic/dowith/domore.sty')
-rw-r--r-- | macros/generic/dowith/domore.sty | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/macros/generic/dowith/domore.sty b/macros/generic/dowith/domore.sty new file mode 100644 index 0000000000..176bf4a2c8 --- /dev/null +++ b/macros/generic/dowith/domore.sty @@ -0,0 +1,164 @@ + \input plainpkg +\ProvidesPackage{domore}[2015/09/17 v0.32 dowith extended (UL)] +%% Copyright (C) 2012 2013 2015 Uwe Lueck, +%% http://www.contact-ednotes.sty.de.vu +%% -- author-maintained in the sense of LPPL below -- +%% +%% This file can be redistributed and/or modified under +%% the terms of the LaTeX Project Public License; either +%% version 1.3c of the License, or any later version. +%% The latest version of this license is in +%% http://www.latex-project.org/lppl.txt +%% We did our best to help you, but there is NO WARRANTY. +%% +%% Please report bugs, problems, and suggestions via +%% +%% http://www.contact-ednotes.sty.de.vu +%% +\PushCatMakeLetterAt %% 2015/09/17 +%% == With \LaTeX, extend 'dowith''s \cs{setdo} == +%% %% mod. 2012/11/06: +%% The original 'dowith' offers |\setdo{<do>}| +%% for defining a one-parameter macro `\do' expanding to <do>. +%% The present package allows applying a <digit>-parameter macro +%% (maybe `\do', <digit> being 2, 3, or ...) +%% to a list of "brace groups" where each brace group +%% contains <digit> arguments. If \LaTeX\ is present ... +\ifltx +%% ... the following extension +%% \[|\setdo[<digit>]{<do>}]|\] +%% of the basic 'dowith' version +%% can be used to define a <digit>-parameter macro `\do'. +%% You also can equip `\do' with an initial optional argument by +%% \[|\setdo[<digit>][<default>]{<do>}]|\] +%% The next two moves allow loading the package +%% independently of 'dowith' (overriding its definition of `\setdo') +%% as well as using the package +%% with a format that has not defined `\do' before. +%% The first parameter of `\do' may even be \emph{optional.} + \let\setdo\relax \let\do\empty + \newcommand*{\setdo}[1][1]{\renewcommand\do[#1]} +\fi +%% +%% == Auxiliaries == +%% |\@firstsecondoftwo{<balanced-1>}{<balanced-2>}| \ +%% is a variant of \LaTeX's `\@firstofone{<balanced>}' for +%% \emph{two} arguments. It just removes outer braces +%% from each of the two arguments (provided it has outer braces), +%% resulting in \[<balanced-1><balanced-2>\] +\long\def\@firstsecondoftwo#1#2{#1#2} +%% % |\@secondfirstoftwo<arg-1><arg-2>| results in <ark-2><ark-1> +%% % where <ark-1> is ... +%% % [TODO declare "meta-function removing braces"---in 'dowith' documentation] +%% % (<arg-1>, <arg-2> must not contain `\par' tokens so far---TODO): +%% |\@secondfirstoftwo{<balanced-1>}{<balanced-2>}| +%% \emph{additionally} interchanges the two arguments +%% (after removing braces): +\long\def\@secondfirstoftwo#1#2{#2#1} +%% Our main application is using it as an extended `\expandafter' +%% before `\fi': +%% \[`\@secondfirstoftwo{<do>}\fi'\] +%% will expand to +%% \[`\fi<do>'\] +%% This won't work with `\else' in place of `\fi'. +%% +%% == Enhanced \cs{DoWith} == +%% Here comes a more powerful variant of 'dowith''s `\DoWith'. +%% Instead of iterating a single "command" <cmd> +%% on an arglist <args> by +%% \[`\DoWith{<cmd>}<args>\StopDoing'\] +%% (cf. `dowith.pdf'), the present `\DoWith' can have a +%% more complex first argument. If <args> consists +%% of some brace groups the first of which is {<farg>} +%% so that <args> is +%% \[`{<farg>}<rgs>'\] +%% ---<rgs> being the remaining arglist--- +%% \[|\DoWith{<repeat>}<args>\StopDoing|\] +%% works like +%% \[`<repeat>{<farg>}\DoWith{<repeat>}<rgs>\StopDoing'\] +%% and so on---a recursive explanation. Or if <args> is +%% \[`{<arg-1>}{<arg-2>}'\dots`{<arg-n>}'\] +%% ($n$ items), the result is like +%% \[`<repeat>{<arg-1>}<repeat>{<arg-2>}'\dots`<repeat>{<arg-n>}'\] +%% The actual definition is: +\def\DoWith#1#2{% + \ifx\StopDoing#2\empty %% not \@empty for Plain 2012/11/05 + \else\@secondfirstoftwo{#1{#2}\DoWith{#1}}\fi} +%% In order to \strong{use} the remaining definitions from \strong{'dowith' +%% together with the present package}, %% \strong 2012/11/06 +%% load `dowith.sty' before `domore.sty'. +%% +%% (v0.32:) |\StopDoing| must be provided in case 'dowith' +%% is not loaded at all. Being "undefined" is very +%% bad when `\DoWithMore' is used for a list of \emph{assignments.} +%% As in 'dowith', we assume that no argument starts with something +%% that has the same meaning as `\DoWith' itself: +\let\StopDoing\DoWith +%% +%% == Applications of \cs{DoWith} == +%% `\DoWith' still is somewhat auxiliary. What I have used in practice, +%% are the following definitions. +%% +%% |\DoWithMore{<repeat>}<args>\StopDoing| %% was \DoMore 2015/05/22 +%% with <args> as above +%% "unpacks" each arglist item so that <repeat> may be a macro +%% with more than one argument---say, <digit> arguments. +%% Then <f-arg> or <arg-1>, as well as <arg-2> $\dots$ <arg-n>, +%% should provide an arglist consisting of <digit> items. +\def\DoWithMore#1{\DoWith{\@firstsecondoftwo{#1}}} +%% Now I use metavariable <do> instead of <repeat>. +%% We consider some "separator" material <sep> to be inserted +%% between instances of applying <do> to an item of <args>. +%% We want to get +%% \[`<do>{<arg-1>}<sep><do>{<arg-2>}<sep>'\dots`<sep><do>{<arg-n>}'\] +%% This is achieved simply by starting with +%% \[`<do>{<farg>}'\] +%% and then proceeding as with +%% \[`\DoWith{<sep><do>}<rgs>\StopDoing'\] +%% And that's what |\DoSeparateWith{<do>}{<sep>}<args>\StopDoing| does: +\def\DoSeparateWith#1#2#3{#1{#3}\DoWith{#2#1}} +%% |\DoSeparateWithMore{<do>}{<sep>}<args>\StopDoing| combines +%% the two previous things, inserting separator material <sep> +%% and unpacking the nested arg\-lists: +\def\DoSeparateWithMore#1#2{% %% wieder 2012/06/05 + \DoSeparateWith{\@firstsecondoftwo{#1}}{#2}} +%% My main application is that <do> is a link macro with arguments +%% <target> and <text> and that <sep> is \qtdcode{~\string|~} +%% (or some tie variant) to get a horizontal list of links like +%% \[\def|{$\vert$}\mbox{<text-1> | <text-2> | \dots | <text-n>}\] +%% +%% == Without \cs{StopDoing} == %% 2013/03/20, mv. 2013/03/22 +%% The following enhancements of 'dowith' are provided by %% 2013/03/22 +%% v0.31. +%% +%% |\DoWithAllOf{<repeat>}{<list>}| works like +%% \[`\DoWith{<repeat>}<list>\StopDoing'\] +%% as in 'dowith', but now with a more general first argument: +\def\DoWithAllOf#1#2{\DoWith{#1}#2\StopDoing} +%% |\DoWithAllIn{<repeat>}{<list-macro>}| works as in 'dowith' too +%% and needs the <repeat> enhancement too: %% 2013/03/21 +\def\DoWithAllIn#1#2{% + \expandafter \@secondfirstoftwo \expandafter {#2}{\DoWith{#1}}% + \StopDoing} +%% +%% == Leaving and History == +\PopLetterCatAt +\endinput + +VERSION HISTORY +v0.1 2012/01/17 developed in `texblog.fdf' + (using \[re]newcommand*) +v0.2 2012/08/07 own file `domore.sty', \def's only + 2012/08/08 dealing with "more" \setdo +v0.3 2012/11/05 using `plainpkg'; removing old % code + (see stored v0.2); auxiliaries \long + 2012/11/06 doc.: more on \setdo (<digit>, opt. arg.), + usage with `dowith' \strong + 2012/11/18 doc.: adjusted for `catchdq'; reworking for + \DoWith; \DoWithMore, \DoSeparateWith + 2012/11/19 doc.: \DoSeparateWithMore +v0.31 2013/03/20 \DoWithAllOf + 2013/03/21 \DoWithAllIn + 2013/03/22 moving down new section, mod. doc. +v0.32 2015/05/22 doc. fix \DoWithMore; providing \StopDoing + 2015/09/17 \PushCatMakeLetterAt! |