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% Conflict Resolver <noconflict.sty>
% Resolves Macro Name Conflict among Packages
% Copyright 2013 M. Zahid Hossain
%
% This package resolves macro name conflict among packages with concise
% approaches and user-friendly syntaxes.
%
% This program may be distributed and/or modified under the conditions
% of the LaTeX Project Public License, either version 1.2 of this
% license or (at your option) any later version.
%
% A macro name can be defined by many packages. In LaTeX, macro name need
% to be unique for a document and thus using the packages with same macro
% name causes conflict among them. In order to avoid macro name conflict
% this package defines several commands to save, restore and rename macros
% defined by other packages.
%
% PACKAGE COMMANDS
% ================
%
% \prefix{<prefix added to the macro name>}
% \save{<prefix added to the macro name>}
% {<comma separated list of macro name>}
% \save*{<comma separated list of macro name>}
% \restore{<prefix added to the macro name>}
% \restore*
% \reinstate{<prefix added to the macro name>}
% {<comma separated partial list of macro name>}
% \rename{<old name>}{<new name>}
%
% USAGE EXAMPLE
% =============
%
% If package A, B and C define three macro names X, Y and Z. To avoid macro
% name conflict:
%
% \usepackage{noconflict}
% \usepackage{A}
% \prefix{First} is optional
% \save{X,Y,Z}
%
% \usepackage{B}
% \save{Second}{X,Y,Z}
% The above line can also be written as: \prefix{Second} and \save*{X,Y,Z}
%
% \usepackage{C}
% \save{Third}{X,Y,Z}
%
% Now macro X, Y and Z of
% Package A: \FirstX, \FirstY, \FirstZ
% Package B: \SecondX, \SecondY, \SecondZ
% Package C: \ThirdX, \ThirdY, \ThirdZ
%
% \restore{First}
% Macros \FirstX, \FirstY and \FirstZ become \X, \Y and \Z
% \restore{Second}
% The above line can also be written as: \prefix{Second} and \restore*
% The above line can also be written as: \reinstate{Second}{X,Y,Z}
% Macros \SecondX, \SecondY and \SecondZ become \X, \Y and \Z
% \restore{Third}
% Macros \ThirdX, \ThirdY and \ThirdZ become \X, \Y and \Z
% \rename{X}{CofX}
% Macro \X becomes \CofX
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\NeedsTeXFormat{LaTeX2e} \ProvidesPackage{noconflict}[2013/04/23
v1.0 Resolves macro name conflict]
\def\@foreach#1#2{%
\@test@foreach{#1}#2,\@end@token%
}
\def\@swallow#1{}
\def\@test@foreach#1{%
\@ifnextchar\@end@token%
{\@swallow}%
{\@body@foreach{#1}}%
}
\def\@body@foreach#1#2,#3\@end@token{%
#1{#2}%
\@test@foreach{#1}#3\@end@token%
}
\newcommand{\@save}[1]{%
\expandafter\global\expandafter\let\csname \@prefix#1\expandafter\endcsname%
\csname #1\endcsname
\expandafter\let\csname #1\endcsname\relax
}
\newcommand{\@restore}[1]{%
\expandafter\global\expandafter\let\csname#1\expandafter\endcsname%
\csname \@prefix#1\endcsname%
}
\newcommand{\@prefix}{First}
\newcommand{\prefix}[1]{%
\gdef\@prefix{#1}%
}
\newcommand{\save}{\@ifstar
\save@star%
\save@nostar%
}
\newcommand{\save@star}[1]{
\expandafter\gdef\csname list@conflict\@prefix\endcsname{#1}%
\@foreach{\@save}{#1}%
}
\newcommand{\save@nostar}[2]{
\prefix{#1}
\expandafter\gdef\csname list@conflict\@prefix\endcsname{#2}%
\@foreach{\@save}{#2}%
}
\newcommand{\restore}{\@ifstar
\restore@star%
\restore@nostar%
}
\newcommand{\restore@star}{
\edef\expand@command{\csname list@conflict\@prefix\endcsname}%
\expandafter\@foreach\expandafter{\expandafter\@restore\expandafter}%
\expandafter{\expand@command}%
}
\newcommand{\restore@nostar}[1]{
\prefix{#1}
\edef\expand@command{\csname list@conflict\@prefix\endcsname}%
\expandafter\@foreach\expandafter{\expandafter\@restore\expandafter}%
\expandafter{\expand@command}%
}
\newcommand{\reinstate}[2]{
\prefix{#1}
\@foreach{\@restore}{#2}%
}
\newcommand{\rename}[2]{
\expandafter\global\expandafter\let\csname #2\expandafter\endcsname%
\csname #1\endcsname
\expandafter\let\csname #1\endcsname\relax
}
\endinput
|
