%% %% This is file `l3seq.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% l3seq.dtx (with options: `package,trace') %% %% %% 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: l3seq.dtx Copyright (C) 1990-2009 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: l3seq.dtx 1692 2009-11-03 21:02:34Z joseph $ {L3 Experimental sequences and stacks} \ProvidesExplPackage {\filename}{\filedate}{\fileversion}{\filedescription} \package_check_loaded_expl: \cs_new:Npn \seq_elt:w {\ERROR} \cs_new:Npn \seq_elt_end: {\ERROR} \cs_new_eq:NN \seq_new:N \tl_new:N \cs_new_eq:NN \seq_new:c \tl_new:c \cs_new_eq:NN \seq_clear:N \tl_clear:N \cs_new_eq:NN \seq_clear:c \tl_clear:c \cs_new_eq:NN \seq_gclear:N \tl_gclear:N \cs_new_eq:NN \seq_gclear:c \tl_gclear:c \cs_new_eq:NN \seq_clear_new:N \tl_clear_new:N \cs_new_eq:NN \seq_clear_new:c \tl_clear_new:c \cs_new_eq:NN \seq_gclear_new:N \tl_gclear_new:N \cs_new_eq:NN \seq_gclear_new:c \tl_gclear_new:c \cs_new_eq:NN \seq_set_eq:NN \cs_set_eq:NN \cs_new_eq:NN \seq_set_eq:cN \cs_set_eq:cN \cs_new_eq:NN \seq_set_eq:Nc \cs_set_eq:Nc \cs_new_eq:NN \seq_set_eq:cc \cs_set_eq:cc \cs_new_eq:NN \seq_gset_eq:NN \cs_gset_eq:NN \cs_new_eq:NN \seq_gset_eq:cN \cs_gset_eq:cN \cs_new_eq:NN \seq_gset_eq:Nc \cs_gset_eq:Nc \cs_new_eq:NN \seq_gset_eq:cc \cs_gset_eq:cc \cs_new_nopar:Npn \seq_gconcat:NNN #1#2#3 { \tl_gset:Nx #1 { \exp_not:V #2 \exp_not:V #3 } } \cs_generate_variant:Nn \seq_gconcat:NNN {ccc} \prg_new_eq_conditional:NNn \seq_if_empty:N \tl_if_empty:N {p,TF,T,F} \prg_new_eq_conditional:NNn \seq_if_empty:c \tl_if_empty:c {p,TF,T,F} \cs_new_nopar:Npn \seq_if_empty_err:N #1 { \if_meaning:w #1 \c_empty_tl \tl_clear:N \l_testa_tl % catch prefixes \msg_kernel_bug:x {Empty~sequence~`\token_to_str:N#1'} \fi: } \prg_new_conditional:Nnn \seq_if_in:Nn {TF,T,F} { \cs_set:Npn \seq_tmp:w ##1 \seq_elt:w #2 \seq_elt_end: ##2##3 \q_stop { \if_meaning:w \q_no_value ##2 \prg_return_false: \else: \prg_return_true: \fi: } \exp_after:wN \seq_tmp:w #1 \seq_elt:w #2 \seq_elt_end: \q_no_value \q_stop } \cs_generate_variant:Nn \seq_if_in:NnTF { NV, cV, co, c, cx} \cs_generate_variant:Nn \seq_if_in:NnT { NV, cV, co, c, cx} \cs_generate_variant:Nn \seq_if_in:NnF { NV, cV, co, c, cx} \cs_new_nopar:Npn \seq_get:NN #1 { \seq_if_empty_err:N #1 \exp_after:wN \seq_get_aux:w #1 \q_stop } \cs_new:Npn \seq_get_aux:w \seq_elt:w #1 \seq_elt_end: #2 \q_stop #3 { \tl_set:Nn #3 {#1} } \cs_generate_variant:Nn \seq_get:NN {c} \cs_new:Npn \seq_pop_aux:nnNN #1#2#3 { \seq_if_empty_err:N #3 \exp_after:wN \seq_pop_aux:w #3 \q_stop #1#2#3 } \cs_new:Npn \seq_pop_aux:w \seq_elt:w #1 \seq_elt_end: #2\q_stop #3#4#5#6 { #3 #5 {#2} #4 #6 {#1} } \cs_new_eq:NN \seq_show:N \tl_show:N \cs_new_eq:NN \seq_show:c \tl_show:c \cs_new_nopar:Npn \seq_display:N #1 { \iow_term:x { Sequence~\token_to_str:N #1~contains~ the~elements~(without~outer~braces): } \toks_clear:N \l_tmpa_toks \seq_map_inline:Nn #1 { \toks_if_empty:NF \l_tmpa_toks { \toks_put_right:Nx \l_tmpa_toks {^^J>~} } \toks_put_right:Nx \l_tmpa_toks { \iow_space: \iow_char:N \{ \exp_not:n {##1} \iow_char:N \} } } \toks_show:N \l_tmpa_toks } \cs_generate_variant:Nn \seq_display:N {c} \cs_new:Npn \seq_put_aux:Nnn #1 { \exp_after:wN \seq_put_aux:w #1 \q_stop #1 } \cs_new:Npn \seq_put_aux:w #1\q_stop #2#3#4 { \tl_set:Nn #2 {#3#1#4} } \cs_new:Npn \seq_put_left:Nn #1#2 { \seq_put_aux:Nnn #1 {\seq_elt:w #2\seq_elt_end:} {} } \cs_generate_variant:Nn \seq_put_left:Nn {NV,No,Nx,c,cV,co} \cs_new:Npn \seq_put_right:Nn #1#2{ \seq_put_aux:Nnn #1{}{\seq_elt:w #2\seq_elt_end:}} \cs_generate_variant:Nn \seq_put_right:Nn {NV,No,Nx,c,cV,co} \cs_new:Npn \seq_gput_left:Nn { \pref_global:D \seq_put_left:Nn } \cs_new:Npn \seq_gput_right:Nn { \pref_global:D \seq_put_right:Nn } \cs_generate_variant:Nn \seq_gput_left:Nn {NV,No,Nx,c,cV,co} \cs_generate_variant:Nn \seq_gput_right:Nn {NV,No,Nx,c,cV,co} \cs_generate_variant:Nn \seq_gput_right:Nn {Nc} \cs_new:Npn \seq_map_variable_aux:Nnw #1#2 \seq_elt:w #3 \seq_elt_end: { \tl_set:Nx #1{\exp_not:n{#3}} \quark_if_nil:NT #1 \seq_map_break: #2 \seq_map_variable_aux:Nnw #1{#2} } \cs_new:Npn \seq_map_variable:NNn #1#2#3 { \tl_set:Nx #2 {\exp_not:n{\seq_map_variable_aux:Nnw #2{#3}}} \exp_after:wN #2 #1 \seq_elt:w \q_nil\seq_elt_end: \q_stop } \cs_generate_variant:Nn \seq_map_variable:NNn {c} \cs_new_eq:NN \seq_map_break: \use_none_delimit_by_q_stop:w \cs_new_eq:NN \seq_map_break:n \use_i_delimit_by_q_stop:nw \cs_new_nopar:Npn \seq_map_function:NN #1#2 { \cs_set:Npn \seq_elt:w ##1 \seq_elt_end: {#2{##1}} #1 \cs_set_eq:NN \seq_elt:w \ERROR } \cs_generate_variant:Nn \seq_map_function:NN {c} \cs_new_nopar:Npn \seq_map_inline:Nn #1#2 { \cs_set:Npn \seq_elt:w ##1 \seq_elt_end: {#2} #1 \cs_set_eq:NN \seq_elt:w \ERROR } \cs_generate_variant:Nn \seq_map_inline:Nn {c} \seq_new:N \l_seq_remove_seq \cs_new:Npn \seq_remove_duplicates_aux:NN #1#2 { \seq_clear:N \l_seq_remove_seq \seq_map_function:NN #2 \seq_remove_duplicates_aux:n #1 #2 \l_seq_remove_seq } \cs_new:Npn \seq_remove_duplicates_aux:n #1 { \seq_if_in:NnF \l_seq_remove_seq {#1} { \seq_put_right:Nn \l_seq_remove_seq {#1} } } \cs_new_nopar:Npn \seq_remove_duplicates:N { \seq_remove_duplicates_aux:NN \seq_set_eq:NN } \cs_new_nopar:Npn \seq_gremove_duplicates:N { \seq_remove_duplicates_aux:NN \seq_gset_eq:NN } \cs_new_eq:NN \seq_push:Nn \seq_put_left:Nn \cs_new_eq:NN \seq_push:NV \seq_put_left:NV \cs_new_eq:NN \seq_push:No \seq_put_left:No \cs_new_eq:NN \seq_push:cn \seq_put_left:cn \cs_new_nopar:Npn \seq_pop:NN { \seq_pop_aux:nnNN \tl_set:Nn \tl_set:Nn } \cs_generate_variant:Nn \seq_pop:NN {c} \cs_new_eq:NN \seq_gpush:Nn \seq_gput_left:Nn \cs_new_nopar:Npn \seq_gpop:NN { \seq_pop_aux:nnNN \tl_gset:Nn \tl_set:Nn } \cs_generate_variant:Nn \seq_gpush:Nn {NV,No,c,Nv} \cs_generate_variant:Nn \seq_gpop:NN {c} \cs_new_eq:NN \seq_top:NN \seq_get:NN \cs_new_eq:NN \seq_top:cN \seq_get:cN %% %% %% End of file `l3seq.sty'.