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%%
%% 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) 2009-2011 The 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 "l3kernel 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 LaTeX3 Project.
%%
%% -----------------------------------------------------------------------
\RequirePackage{l3names}
\GetIdInfo$Id: l3file.dtx 3095 2011-12-26 22:33:23Z joseph $
{L3 Experimental file operations}
\ProvidesExplPackage
{\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
\package_check_loaded_expl:
\tl_new:N \g_file_current_name_tl
\tl_gset_eq:NN \g_file_current_name_tl \@currname
\seq_new:N \g_file_stack_seq
\seq_new:N \g_file_record_seq
\tl_new:N \l_file_name_tl
\seq_new:N \l_file_search_path_seq
\seq_new:N \l_file_search_path_saved_seq
\seq_new:N \l_file_tmpa_seq
\cs_new_protected:Npn \file_add_path:nN #1#2
{
\ior_open:Nn \g_file_test_ior {#1}
\ior_if_eof:NTF \g_file_test_ior
{ \file_add_path_search:nN {#1} #2 }
{
\ior_close:N \g_file_test_ior
\tl_set:Nx #2 {#1}
}
}
\cs_new_protected:Npn \file_add_path_search:nN #1#2
{
\tl_clear:N #2
\cs_if_exist:NT \input@path
{
\seq_set_eq:NN \l_file_search_path_saved_seq \l_file_search_path_seq
\seq_set_from_clist:NN \l_file_tmpa_seq \input@path
\seq_concat:NNN \l_file_search_path_seq
\l_file_search_path_seq \l_file_tmpa_seq
}
\seq_map_inline:Nn \l_file_search_path_seq
{
\ior_open:Nn \g_file_test_ior { ##1 #1 }
\ior_if_eof:NF \g_file_test_ior
{
\tl_set:Nx #2 { ##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_ior
}
\prg_new_protected_conditional:Nnn \file_if_exist:n { T , F , TF }
{
\file_add_path:nN {#1} \l_file_name_tl
\tl_if_empty:NTF \l_file_name_tl
{ \prg_return_false: }
{ \prg_return_true: }
}
\cs_new_protected:Npn \file_input:n #1
{
\file_add_path:nN {#1} \l_file_name_tl
\tl_if_empty:NF \l_file_name_tl
{
\@addtofilelist {#1}
\seq_gpush:NV \g_file_stack_seq \g_file_current_name_tl
\tl_gset:Nn \g_file_current_name_tl {#1}
\exp_after:wN \tex_input:D \l_file_name_tl \c_space_tl
\seq_gpop:NN \g_file_stack_seq \g_file_current_name_tl
}
}
\cs_new_protected:Npn \file_path_include:n #1
{
\seq_if_in:NnF \l_file_search_path_seq {#1}
{ \seq_put_right:Nn \l_file_search_path_seq {#1} }
}
\cs_new_protected:Npn \file_path_remove:n #1
{ \seq_remove_all: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_inline:Nn \g_file_record_seq { \iow_log:n {##1} }
\iow_log:n { ************* }
}
\AtBeginDocument
{
\seq_set_from_clist:NN \l_file_tmpa_seq \@filelist
\seq_gconcat:NNN \g_file_record_seq \g_file_record_seq \l_file_tmpa_seq
}
%%
%%
%% End of file `l3file.sty'.
|
