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% Copyright 2005 2015 Ovidiu Gheorghies
% Licensed under the Apache License, Version 2.0.
if known _util_infrastructure_mp:
expandafter endinput
fi;
_util_infrastructure_mp:=1;
% Sadly, this copy of the macro is needed to prevent multiple file loads being shown by MetaPost.
% The guard values (such as _metauml_mp) do ensure that the file isn't loaded multiple times,
% but this macro makes sure that MetaPost won't try to load the file and display a message for that.
def inputonce text libraryFile=
if not known scantokens ("_" & str libraryFile & "_mp"):
%includeonce% show "Loading " & str libraryFile;
scantokens ("input " & str libraryFile);
else:
%includeonce% show str libraryFile & " already loaded.";
fi;
enddef;
inputonce util_log;
vardef attributes(text objectName)=
_n_ := str objectName
enddef;
vardef variables_ext text variables=
save ret, firstVar;
string ret;
ret := "";
numeric firstVar;
firstVar := 1;
forsuffixes v = variables:
if firstVar = 0:
ret := ret & ",";
else:
firstVar := 0;
fi;
ret := ret & " _n." & (str v);
endfor;
ret
enddef;
vardef var(text type) text variables =
save _variables;
string _variables;
_variables := variables_ext variables;
generic_declare(type) scantokens _variables;
enddef;
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