%% %% This is file `l3file.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% l3file.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: l3file.dtx Copyright (C) 2009-2010 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: l3file.dtx 1853 2010-03-21 09:11:08Z joseph $ {L3 Experimental file loading} \ProvidesExplPackage {\filename}{\filedate}{\fileversion}{\filedescription} \package_check_loaded_expl: \tl_new:N \g_file_current_name_tl \seq_new:N \g_file_stack_seq \tl_gset_eq:NN \g_file_current_name_tl \@currname \seq_new:N \g_file_record_seq \seq_new:N \l_file_search_path_seq \seq_new:N \l_file_search_path_saved_seq \tl_new:N \l_file_name_tl \prg_new_protected_conditional:Nnn \file_if_exist:n { T , F , TF } { \ior_open:Nn \g_file_test_stream {#1} \ior_if_eof:NTF \g_file_test_stream { \file_if_exist_path_aux:n {#1} } { \ior_close:N \g_file_test_stream \tl_set:Nn \l_file_name_tl {#1} \prg_return_true: } } \cs_new_protected_nopar:Npn \file_if_exist_path_aux:n #1 { \tl_clear:N \l_file_name_tl \cs_if_exist:NT \input@path { \seq_set_eq:NN \l_file_search_path_saved_seq \l_file_search_path_seq \clist_map_inline:Nn \input@path { \seq_put_right:Nn \l_file_search_path_seq {##1} } } \seq_map_inline:Nn \l_file_search_path_seq { \ior_open:Nn \g_file_test_stream { ##1 #1 } \ior_if_eof:NF \g_file_test_stream { \tl_set:Nn \l_file_name_tl { ##1 #1 } \seq_map_break: } } \cs_if_exist:NT \input@path { \seq_set_eq:NN \l_file_search_path_seq \l_file_search_path_saved_seq } \ior_close:N \g_file_test_stream \tl_if_empty:NTF \l_file_name_tl { \prg_return_false: } { \prg_return_true: } } \cs_generate_variant:Nn \file_if_exist:nT { V } \cs_generate_variant:Nn \file_if_exist:nF { V } \cs_generate_variant:Nn \file_if_exist:nTF { V } \cs_new_protected_nopar:Npn \file_input:n #1 { \file_if_exist:nT {#1} { \@addtofilelist {#1} \seq_gpush:NV \g_file_stack_seq \g_file_current_name_tl \tl_gset:Nn \g_file_current_name_tl {#1} \tex_expandafter:D \tex_input:D \l_file_name_tl ~ \seq_gpop:NN \g_file_stack_seq \g_file_current_name_tl } } \cs_generate_variant:Nn \file_input:n { V } \cs_new_protected_nopar:Npn \file_path_include:n #1 { \seq_put_right:Nn \l_file_search_path_seq {#1} \seq_remove_duplicates:N \l_file_search_path_seq } \cs_new_protected_nopar:Npn \file_path_remove:n #1 { \seq_remove_element:Nn \l_file_search_path_seq {#1} } \cs_new_protected_nopar:Npn \file_list: { \seq_remove_duplicates:N \g_file_record_seq \iow_log:n { *~File~List~* } \seq_map_function:NN \g_file_record_seq \file_list_aux:n \iow_log:n { ************* } } \cs_new_protected_nopar:Npn \file_list_aux:n #1 { \iow_log:n {#1} } \AtBeginDocument{ \clist_map_inline:Nn \@filelist { \seq_put_right:Nn \g_file_record_seq {#1} } } %% %% %% End of file `l3file.sty'.