%% %% This is file `l3xref.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% l3xref.dtx (with options: `package') %% %% %% EXPERIMENTAL CODE %% %% Do not distribute this file without also distributing the %% source files specified above. %% %% Do not distribute a modified version of this file. %% %% %% File: l3xref.dtx Copyright (C) 2006,2009 LaTeX3 project %% %% It may be distributed and/or modified under the conditions of the %% LaTeX Project Public License (LPPL), either version 1.3c of this %% license or (at your option) any later version. The latest version %% of this license is in the file %% %% http://www.latex-project.org/lppl.txt %% %% This file is part of the ``expl3 bundle'' (The Work in LPPL) %% and all files in that bundle must be distributed together. %% %% The released version of this bundle is available from CTAN. %% %% ----------------------------------------------------------------------- %% %% The development version of the bundle can be found at %% %% http://www.latex-project.org/svnroot/experimental/trunk/ %% %% for those people who are interested. %% %%%%%%%%%%% %% NOTE: %% %%%%%%%%%%% %% %% Snapshots taken from the repository represent work in progress and may %% not work or may contain conflicting material! We therefore ask %% people _not_ to put them into distributions, archives, etc. without %% prior consultation with the LaTeX Project Team. %% %% ----------------------------------------------------------------------- \RequirePackage{l3names} \GetIdInfo$Id: l3xref.dtx 1362 2009-05-28 20:19:21Z joseph $ {L3 Experimental cross referencing} \ProvidesExplPackage {\filename}{\filedate}{\fileversion}{\filedescription} \package_check_loaded_expl: \prop_new:N \g_xref_all_curr_immediate_fields_prop \prop_new:N \g_xref_all_curr_deferred_fields_prop \cs_new_nopar:Npn \xref_new:nn {\xref_new_aux:nnn{immediate}} \cs_new_nopar:Npn \xref_deferred_new:nn {\xref_new_aux:nnn{deferred}} \cs_new_nopar:Npn \xref_new_aux:nnn #1#2#3{ \prop_gput:ccx {g_xref_all_curr_ #1 _fields_prop} { xref_ #2 _key } { \exp_not:c {l_xref_curr_#2_tl }} \cs_set_protected_nopar:cpn { xref_#2_key }{} \tl_new:cn{l_xref_curr_#2_tl}{#3} \toks_set:Nx \l_tmpa_toks { \exp_not:n { \cs_set_nopar:cpn {xref_get_value_#2_aux:w} ##1 } \exp_not:N \q_prop \exp_not:c { xref_#2_key } \exp_not:N \q_prop } \toks_use:N \l_tmpa_toks ##2 ##3\q_nil {##2} } \cs_new_nopar:Npn \xref_get_value:nn #1#2 { \cs_if_exist:cTF{g_xref_#2_prop} { \exp_args:NcNc \exp_after:wN {xref_get_value_#1_aux:w} \toks_use:N {g_xref_#2_prop} \q_nil } {??} } \cs_set_nopar:Npn \exp_after:cc #1#2 { \exp_after:wN \exp_after:wN \cs:w #1\exp_after:wN\cs_end: \cs:w #2\cs_end: } \cs_set_protected:Npn \q_prop {\q_prop} \cs_new_protected_nopar:Npn \xref_define_label:nn { \group_begin: \char_set_catcode:nn {`\ }\c_ten \xref_define_label_aux:nn } \cs_new_nopar:Npn \xref_define_label_aux:nn #1#2 { \cs_if_free:cTF{g_xref_#1_prop} {\prop_new:c{g_xref_#1_prop}}{\WARNING} \toks_gset:cn{g_xref_#1_prop}{#2} \group_end: } \cs_set_nopar:Npn \xref_set_label:n #1{ \cs_set_nopar:Npx \xref_tmp:w{\toks_use:N\g_xref_all_curr_immediate_fields_prop} \exp_args:NNx\iow_shipout_x:Nn \xref_write{ \xref_define_label:nn {#1} { \xref_tmp:w \toks_use:N \g_xref_all_curr_deferred_fields_prop } } } \iow_new:N \xref_write %% %% %% End of file `l3xref.sty'.