diff options
author | Karl Berry <karl@freefriends.org> | 2009-09-14 00:50:03 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2009-09-14 00:50:03 +0000 |
commit | 158ced45f9336d5020638e4247c4323549ebabd6 (patch) | |
tree | dead2728344af0c5eb8876d054c95a40a085df46 /Master/texmf-dist/tex/latex/cite | |
parent | 38f1b65b196333c6e8c121ff61f22a42e65f421a (diff) |
cite update (13sep09)
git-svn-id: svn://tug.org/texlive/trunk@15277 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/latex/cite')
-rw-r--r-- | Master/texmf-dist/tex/latex/cite/cite.sty | 227 |
1 files changed, 155 insertions, 72 deletions
diff --git a/Master/texmf-dist/tex/latex/cite/cite.sty b/Master/texmf-dist/tex/latex/cite/cite.sty index 866acb07f4c..bedd4eb169e 100644 --- a/Master/texmf-dist/tex/latex/cite/cite.sty +++ b/Master/texmf-dist/tex/latex/cite/cite.sty @@ -1,6 +1,6 @@ % C I T E . S T Y % -% version 5.1 (Apr 2009) +% version 5.2 (Aug 2009) % % Compressed, sorted lists of on-line or superscript numerical citations. % see also drftcite.sty (And the stub overcite.sty) @@ -24,11 +24,11 @@ \catcode`\_ 8 \catcode`\: 12 -% Handle optional variations: +% Prepare for optional variations: % [ verbose, nospace, space, ref, nosort, noadjust, superscript, nomove ], % \citeform,\citeleft,\citeright,\citemid,\citepunct,\citedash % -% Set defaults: +% Set defaults first: % [ on the left. Option [ref] does: [Ref. 12, note] \providecommand\citeleft{[} @@ -110,75 +110,112 @@ \@warning {Citation `\@citeb' on page \thepage\space undefined}% %% \oc@verbo \global\@namedef{b@\@citeb\@extra@b@citeb}{?}% ??? \else % defined % remove previous line to repeat warnings - \begingroup \let\hyper@@link\@nonhyper@@link - \protected@xdef\@B@citeB{\csname b@\@citeb\@extra@b@citeb \endcsname}% - \endgroup + \@cite@nonhyper@sanitize \@addto@cite@list \fi} \def\@nonhyper@@link [#1]#2#3#4{#4} +\def\@cite@nonhyper@sanitize{\begingroup + \let\hyper@@link\@nonhyper@@link + \protected@xdef\@B@citeB{\csname b@\@citeb\@extra@b@citeb \endcsname}% + \endgroup} + +\def\@cite@out#1{\citeform{\csname #1\endcsname}} -% Add entry to the list of citations. This default definition sorts -% numbers and numbers with other character tags. There is presently -% no other definition than this default, but features may be added later. +% Add entry to the list of citations. This default definition sorts pure +% numbers as well as numbers with other single-character tags. There +% is presently no other definition than this default, but features may +% be added later. % \def\@addto@cite@list{% - \ifcat _\ifnum\z@<0\@B@citeB _\else A\fi % a positive number, put in list - \@addnumto@cite@list\@B@citeB - \else %citation is not a simple number, try letter-number or number-letter - \expandafter \@cite@add@letnum \@B@citeB\delimitershortfall\delimiter - \fi + \ifcat _\ifnum\z@<0\@B@citeB _\else A\fi % a positive number, put in list + \@addnumto@cite@list\@B@citeB + \else % citation is not a pure positive number, test for number+more combo + \@cite@combo@num + \fi } -\def\@cite@out#1{\citeform{\csname #1\endcsname}} +% With this \@cite@combo@num we delve into handling of numbers combined +% with non-numeric tags. The specific command name \@cite@combo@num can +% serve as a hook for redefinition, perhaps to give simple non-sorting +% for anything not a pure number, or to attempt even more complicated +% sorting, say dictionary sorting of textual citations. The following +% definition leads down the road of sorting mostly-numbers but with +% optional single-character prefix and/or suffix. + +\def\@cite@combo@num{\expandafter\@cite@add@letnum\@B@citeB\delimiter} + +% First of many stages for sorting numbers with prefix/suffix characters. +% Test for a leading token of category letter or other. +% +\def\@cite@add@letnum{% + \@if@printable@char{\@cite@add@letnumB}{\@cite@dump@now}% + } + +% Process first token, either a first digit or a prefix +% +\def\@cite@add@letnumB#1{% + \ifcat _\ifnum\z@<0#1_\else A\fi % a digit else prefix + \expandafter\@firstoftwo \else \expandafter\@secondoftwo \fi + {\@cite@add@letnumD {\z@}#1}{\@cite@add@letnumC {`#1}}% +} -% first stage for sorting values with prefix/suffix characters. #1 is the -% first character: a digit or a prefix. -% The numeric sort value (\@tempcnta) is (prefix*16384+number)*256+suffix. -% -\def\@cite@add@letnum#1#2\delimiter{% - \ifcat _\ifnum\z@<0#1_\else A\fi % test the first character for a digit - \@cite@add@LETnum\z@{#1#2}% - \else % first char is non-digit, use ascii value - \@cite@add@LETnum{`#1}{#2}% - \fi} - -% second stage for sorting values with prefix/suffix characters, #1 is prefix -% as a number, #2 is the rest. Pull out numeric portion from the rest. -\def\@cite@add@LETnum#1#2{% +% Examine character after prefix to ensure it is a number. First must +% ensure it is a plain character token +% +\def\@cite@add@letnumC#1{\@if@printable@char% + {\@cite@add@letnumD{#1}}% continue with prefix (perhaps zero) + {\@cite@dump@now}% else abandon fancy processing +} + +% Save prefix (if any) numerically in \@tempcnta, test next character for being +% a digit, then collect main number +% +\def\@cite@add@letnumD#1#2{% \@tempcnta=#1\multiply\@tempcnta 16384 % - \afterassignment\@cite@add@letnumlet \advance\@tempcnta 0#2\delimiter + \ifcat _\ifnum\z@<0#2_\else A\fi % at least one digit given, so continue + \afterassignment\@cite@add@letnumE \advance\@tempcnta #2% + \else \expandafter\@cite@dump@now \fi } -% third stage for sorting values with prefix/suffix characters (gets suffix) -\def\@cite@add@letnumlet#1#2\delimiter{% +% Have collected number. Now look for a single-character suffix. +% +\gdef\@cite@add@letnumE{% \multiply\@tempcnta\@cclvi - \ifx \delimiter#1\delimiter % Trailing empty arg like {} - \@citeaddcnta - \else - \ifx \delimitershortfall#1\relax % no trailing token - \@citeaddcnta - \else % got a trailing character - \toks@={#2}% - \ifx\delimitershortfall#2\relax % got just one trailing character - \advance\@tempcnta`#1\relax - \@citeaddcnta - \else % else, can't be sorted, so output immediately - \@citea \@cite@out{b@\@citeb\@extra@b@citeb}\let\@citea\citepunct + \@if@printable@char{% a suffix given + \@cite@add@letnumF + }{% else, maybe nothing remains + \ifx\@let@token\delimiter % use number, and remove trailing \delimiter + \@citeaddcnta \expandafter\@gobble + \else % else abandon fancy processing + \expandafter\@cite@dump@now \fi - \fi - \fi} + }} -% add pure numeric entry to cite list, with sorting -\def\@addnumto@cite@list#1{% - \@tempcnta#1\relax - \multiply\@tempcnta\@cclvi - \@citeaddcnta} +% Have a complete compilation, but must ensure there is no trailing garbage +% (expect \delimiter as next token) +% +\def\@cite@add@letnumF#1#2{% + \ifx\delimiter#2\@empty % nothing left but \delimiter + \advance\@tempcnta`#1\relax \@citeaddcnta + \else % abandon all fancy processing + \expandafter\@cite@dump@now + \fi +} + +% This is our bail-out when the citation cannot be processed as +% [prefix]number[suffix]: it outputs the citation immediately +% (unsorted) and consumes tokens to the \delimiter tag used as an +% end-marker +% +\def\@cite@dump@now#1\delimiter{% + \@citea \@cite@out{b@\@citeb\@extra@b@citeb}\let\@citea\citepunct +} % add an entry to the sorted list, using its sort-number \@tempcnta, and % also saving the plain-text value \@B@citeB as well as the csname % b@\@citeb\@extra@b@citeb. (The \@B@citeB is actually not used, unless -% somebody needs to modify it.) +% somebody extends the definitions.) \def\@citeaddcnta{% \ifnum \@tempcnta>\@tempcntb % new highest, add to end (efficiently) \edef\@cite@list{\@cite@list @@ -188,7 +225,13 @@ \edef\@cite@list{\expandafter\@sort@celt\@cite@list \@gobble.\@gobble.}% \fi } -% + +% add pure numeric entry to cite list, with sorting +\def\@addnumto@cite@list#1{% + \@tempcnta#1\relax + \multiply\@tempcnta\@cclvi + \@citeaddcnta} + % \@sort@celt inserts number (\@tempcnta) into list of \@celt{num}{text}{tag} % (#1{#2}{#3}{#4}) % \@celt must not be expandable, and the arguments must not be fragile. @@ -341,6 +384,23 @@ \def\@is@fil@ #1FIL#2\relax#3#4\@nil{#3} } +% Test if next char is "printable" categories other or letter or active +\def\@if@printable@char#1#2{% + \def\reserved@a{#1}% + \def\reserved@b{#2}% + \futurelet\@let@token\@test@print@char +} + +\def\@test@print@char{% + \ifnum + \ifcat\noexpand\@let@token A1\fi + \ifcat\noexpand\@let@token 11\fi + \ifcat\noexpand\@let@token \noexpand~1\fi% + 0>\z@ + \expandafter\reserved@a \else + \expandafter\reserved@b \fi +} + \let\nocitecount\relax % in case \nocitecount was used for drftcite %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -355,23 +415,15 @@ \mathchardef\citepunctpenalty=\@M } \DeclareOption{ref}{\def\citeleft{[Ref.\penalty\@M\ }} -% For no sorting, always add to end of list, but still calculate -% sort-order number (\@tempcnta) because it may be used for -% collapsing consecutive numbers. -\DeclareOption{nosort}{% - \def\@citeaddcnta{% - \edef\@cite@list{\@cite@list - \@celt{\number\@tempcnta}{\@B@citeB}{b@\@citeb\@extra@b@citeb}}% - }} +% To disable sorting [nosort], the redefinition depends on whether [nocompress] +% was also selected, so just set a flag first. +\DeclareOption{nosort}{\let\@citeaddcnta\@empty} \DeclareOption{sort}{}% default! +% Likewise set flag for [nocompress] +\DeclareOption{nocompress}{\let\@compress@cite\@empty} +\DeclareOption{compress}{}% default \DeclareOption{nomove}{\def\oc@movep{\@tempa}\let\@citey\oc@movep} \DeclareOption{move}{}% default -\DeclareOption{nocompress}{% - \def\@compress@cite#1#2#3{% % This is executed for each number - \@h@ld \@citea \@cite@out{#3}% - \let\@h@ld\@empty \let\@citea\citepunct} -} -\DeclareOption{compress}{}% default \DeclareOption{super}{\ExecuteOptions{superscript}} \DeclareOption{superscript}{% \DeclareRobustCommand{\cite}{% @@ -380,7 +432,7 @@ \DeclareOption{noadjust}{\let\cite@adjust\@empty}% Don't change spaces \DeclareOption{adjust}{}% adjust space before [ ] \DeclareOption{biblabel}{\def\@biblabel#1{\@citess{#1}\kern-\labelsep\,}} -\ProvidesPackage{cite}[2009/04/29 \space v 5.1] +\ProvidesPackage{cite}[2009/08/29 \space v 5.2] \ProcessOptions \ifx\@citey\oc@movep\else % we are moving punctuation; must ensure sfcodes @@ -391,6 +443,30 @@ \ifnum\sfcode`\.=\@m \frenchspacing \fi \fi +% make redefinitions to handle [nosort] [nocompress] and their combination +\ifx\@compress@cite\@empty + \ifx\@citeaddcnta\@empty + % [nosort,nocompress] -- short-circuit much processing + \def\@addto@cite@list{\@cite@dump@now\delimiter} + \else + % [sort,nocompress] + \def\@compress@cite#1#2#3{% % This is executed for each number + \@h@ld \@citea \@cite@out{#3}% + \let\@h@ld\@empty \let\@citea\citepunct + } + \fi +\else % + \ifx\@citeaddcnta\@empty % [nosort,compress] + % nosort: always add to end of list, but still calculate + % sort-order number (\@tempcnta) because it may be used for + % collapsing consecutive numbers. + \def\@citeaddcnta{% + \edef\@cite@list{\@cite@list + \@celt{\number\@tempcnta}{\@B@citeB}{b@\@citeb\@extra@b@citeb}}% + } + \fi +\fi + % Compatability with chapterbib (see use of \@extra@b@citeb) \@ifundefined{@extra@b@citeb}{\def\@extra@b@citeb{}}{} @@ -404,9 +480,9 @@ % compatability with backref: prevent it from redefining \@citex % in the wrong way (ignoring \@citew and \citen. I install hook in -% \@nocite so it applies everywhere, even \nocite! +% \@nocite so it applies to \cite, \citen, and \nocite. % -\AtBeginDocument{\@ifundefined{Hy@backout}{}{ +\AtBeginDocument{\@ifundefined{Hy@backout}{}{% \@ifundefined{BRorg@citex}{}{\global\let\@citex\BRorg@citex}% \global\let\BR@citex\@citex \global\let\@citeorg@nocite\@nocite % use my own hook -> into \@nocite @@ -433,7 +509,8 @@ CITE.STY -Modify LaTeX's normal citation mechanism to behave as follows: +Modify LaTeX's normal citation mechanism for improved handling of numeric +citations, behaving as follows: o Put a comma and a small space between each citation number. The option [nospace] removes that space, and the option [space] replaces it with @@ -542,6 +619,10 @@ There are several options for \usepackage{cite}, some already mentioned. [compress] is the default [biblabel] define the bibliography label as a superscript +If your citations are not numeric, then you should probably not use +cite.sty, but if you must, then at least use the [nosort,nocompress] +options. + There are several commands that you may redefine (using \renewcommand or \def) to change the formatting of citation lists: @@ -603,6 +684,8 @@ different penalty parameters, or none at all. \@extra@b@citeb is a hook for other style files to further specify citations; for example, to number by chapter (see chapterbib.sty). + + % Version 1991: Ignore spaces after commas in the parameter list. Move most of % \citen into \@cmpresscites for speed. Give the proper \spacefactor afterwards. % Version 1992: make \citepunct hold the punctuation between numbers (for ease @@ -633,8 +716,8 @@ citations; for example, to number by chapter (see chapterbib.sty). % 5.0 hyperref and backref compatability! Penalty parameters and [nobreak]. % Letter prefix and suffix sorting. Stop suppressing multiple warnings. % 5.1 Fix a missing "b@" (disappearing named cites), fix nosort +% 5.2 more robust treatment of non-numbers % -% TODO: prevent "xy" from being sorted as "x0y" % TODO: other sorting, like dictionary or roman numeral % TODO: create special "final punct" that could be ", and " and likewise % a "single punct" that could be " and " |