Peter Münster wrote:
Hello,
how could I build some macros, that make usage of \startbuffer and
\stopbuffer?
Example:
\def\startXXX[#1]{\doSomeMagicSetups{#1}%
\startbuffer[...]}
\def\stopXXX{\stopbuffer
\doSomeSpecialWorkHere}
And then:
\startXXX[some options]
some text
\stopXXX
I hope this helps:
%%%%%%%%%%%%%%%%%% buf.tex
% use colors
\setupcolors[state=start]
% this defines a new type of buffer called XXX, so that
% the commands \startXXX ... \stopXXX, \getXXX and
% \typeXXX are now defined
\definebuffer[XXX]
% two sentinel definitions are placed before and after
% the actual buffer content, as fetched by \getXXX
\setupbuffer[XXX][before={\beforeXXX},after={\afterXXX}]
% Do not call \getXXX directly, but use a special
% command to pass options to \beforeXXX and \afterXXX
\def\finishXXX{\dosingleempty\dofinishXXX}
\def\dofinishXXX[#1]{{\getparameters[XXX][Color=green,#1]\getXXX }}
% within the next commans, there is now a set if parameters
% starting with \XXX, initialized by the \getparameters
% call in the macro above.
\def\beforeXXX{\startcolor[\XXXColor]}
\def\afterXXX{\stopcolor}
% below here is an example
\starttext
\startXXX
Here is some text
\stopXXX
\finishXXX % defaults to using green text.
\finishXXX[Color=blue] % same text, but in blue
\stoptext
%%%%%%%%%%%%%%%%%%% buf.tex
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