%% %% This is file `l3skip.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% l3skip.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: l3skip.dtx Copyright (C) 2005-2007 Frank Mittelbach, 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/cgi-bin/cvsweb.cgi/ %% %% 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: l3skip.dtx 666 2007-09-27 15:53:26Z mittelba $ {L3 Experimental skip registers} \ProvidesExplPackage {\filename}{\filedate}{\fileversion}{\filedescription} \RequirePackage{l3int} \RequirePackage{l3prg} \let:NN \skip_new:N \newskip \def_new:Npn \skip_new:c {\exp_args:Nc \skip_new:N} \def_new:Npn \skip_set:Nn #1#2{#1\skip_eval:n{#2} } \def_new:Npn \skip_gset:Nn { \pref_global:D \skip_set:Nn } \def_new:Npn \skip_set:cn {\exp_args:Nc \skip_set:Nn } \def_new:Npn \skip_gset:cn {\exp_args:Nc \skip_gset:Nn } \def_new:Npn \skip_zero:N #1{#1\c_zero_skip \scan_stop: } \def_new:Npn \skip_gzero:N { \pref_global:D \skip_zero:N} \def_new:Npn \skip_zero:c {\exp_args:Nc \skip_zero:N} \def_new:Npn \skip_gzero:c {\exp_args:Nc \skip_gzero:N} \def_new:Npn \skip_add:Nn #1#2{ \tex_advance:D#1 by \skip_eval:n{#2} } \def_new:Npn\skip_add:cn{\exp_args:Nc\skip_add:Nn} \def_new:Npn \skip_sub:Nn #1#2{ \tex_advance:D#1-\skip_eval:n{#2} } \def_new:Npn \skip_gadd:Nn { \pref_global:D \skip_add:Nn } \def_new:Npn \skip_gsub:Nn { \pref_global:D \skip_sub:Nn } \let_new:NN \skip_horizontal:N \tex_hskip:D \def_new:Npn \skip_horizontal:c {\exp_args:Nc\skip_horizontal:N} \def_new:Npn \skip_horizontal:n #1{\skip_horizontal:N \skip_eval:n{#1}} \let_new:NN \skip_vertical:N \tex_vskip:D \def_new:Npn \skip_vertital:c {\exp_args:Nc\skip_vertical:N} \def_new:Npn \skip_vertical:n #1{\skip_vertical:N \skip_eval:n{#1}} \let_new:NN \skip_use:N \tex_the:D \def_new:Npn \skip_use:c #1{\exp_args:Nc\skip_use:N} \def_new:Npn \skip_eval:n #1 {\etex_glueexpr:D #1 \scan_stop:} %%\chk_new_cs:N \l_tmpa_skip %%\tex_skipdef:D\l_tmpa_skip 255 %currently taken up by \skip@ \skip_new:N \l_tmpa_skip \skip_new:N \l_tmpb_skip \skip_new:N \l_tmpc_skip \skip_new:N \g_tmpa_skip \skip_new:N \g_tmpb_skip \let:NN \c_zero_skip \z@ \let:NN \c_max_skip \maxdimen \def_new:Npn \skip_infinite_glue:nTF #1{ \predicate:nTF { \int_compare_p:nNn {\etex_gluestretchorder:D #1 } > \c_zero || \int_compare_p:nNn {\etex_glueshrinkorder:D #1 } > \c_zero } } \def_new:Npn \skip_split_finite_else_action:nnNN #1#2#3#4{ \skip_infinite_glue:nTF {#1} { #3 = \c_zero_skip #4 = \c_zero_skip #2 } { #3 = \etex_gluestretch:D #1 \scan_stop: #4 = \etex_glueshrink:D #1 \scan_stop: } } \let:NN \dim_new:N \newdimen \def_new:Npn \dim_new:c {\exp_args:Nc \dim_new:N} \def_new:Npn \dim_set:Nn #1#2{#1~ \dim_eval:n{#2}} \def_new:Npn \dim_gset:Nn {\pref_global:D \dim_set:Nn } \def_new:Npn \dim_set:cn {\exp_args:Nc \dim_set:Nn } \def_new:Npn \dim_set:Nc {\exp_args:NNc \dim_set:Nn } \def_new:Npn \dim_gset:cn {\exp_args:Nc \dim_gset:Nn } \def_new:Npn \dim_gset:Nc {\exp_args:NNc \dim_gset:Nn } \def_new:Npn \dim_gset:cc {\exp_args:Ncc \dim_gset:Nn } \def_new:Npn \dim_zero:N #1{#1\c_zero_skip} \def_new:Npn \dim_gzero:N {\pref_global:D \dim_zero:N} \def_new:Npn \dim_zero:c {\exp_args:Nc \dim_zero:N} \def_new:Npn \dim_gzero:c {\exp_args:Nc \dim_gzero:N} \def_new:Npn \dim_add:Nn #1#2{ \tex_advance:D#1 by \dim_eval:n{#2}\scan_stop: } \def_new:Npn\dim_add:cn{\exp_args:Nc\dim_add:Nn} \def_new:Npn\dim_add:Nc{\exp_args:NNc\dim_add:Nn} \def_new:Npn \dim_gadd:Nn { \pref_global:D \dim_add:Nn } \def_new:Npn\dim_gadd:cn{\exp_args:Nc\dim_gadd:Nn} \def_new:Npn \dim_sub:Nn #1#2{\tex_advance:D#1-#2\scan_stop:} \def_new:Npn\dim_sub:cn{\exp_args:Nc\dim_sub:Nn} \def_new:Npn\dim_sub:Nc{\exp_args:NNc\dim_sub:Nn} \def_new:Npn \dim_gsub:Nn {\pref_global:D \dim_sub:Nn } \def_new:Npn\dim_gsub:cn{\exp_args:Nc\dim_gsub:Nn} \let_new:NN \dim_use:N \tex_the:D \def_new:Npn \dim_use:c {\exp_args:Nc\dim_use:N} \dim_new:N \l_tmpa_dim \dim_new:N \l_tmpb_dim \dim_new:N \l_tmpc_dim \dim_new:N \l_tmpd_dim \dim_new:N \g_tmpa_dim \dim_new:N \g_tmpb_dim \let_new:NN \c_zero_dim \c_zero_skip \let_new:NN \c_max_dim \c_max_skip \def_new:Npn \dim_eval:n #1 {\etex_dimexpr:D #1 \scan_stop:} \let_new:NN \if_dim:w \tex_ifdim:D \def_new:Npn \dim_compare:nNnTF #1#2#3{ \if_dim:w \dim_eval:n {#1} #2 \dim_eval:n {#3} \exp_after:NN \use_arg_i:nn \else: \exp_after:NN \use_arg_ii:nn \fi: } \def_new:Npn \dim_compare:nNnT #1#2#3{ \if_dim:w \dim_eval:n {#1} #2 \dim_eval:n {#3} \exp_after:NN \use_arg_ii:nn \fi: \use_none:n } \def_new:Npn \dim_compare:nNnF #1#2#3{ \if_dim:w \dim_eval:n {#1} #2 \dim_eval:n {#3} \exp_after:NN \use_none:n \else: \exp_after:NN \use_arg_i:n \fi: } \def_new:Npn \dim_compare_p:nNn #1#2#3{ \if_dim:w \dim_eval:n {#1} #2 \dim_eval:n {#3} \c_true \else: \c_false \fi: } \def_new:Npn \dim_while:nNnT #1#2#3#4{ \dim_compare:nNnT {#1}#2{#3}{#4 \dim_while:nNnT {#1}#2{#3}{#4}} } \def_new:Npn \dim_while:nNnF #1#2#3#4{ \dim_compare:nNnF {#1}#2{#3}{#4 \dim_while:nNnF {#1}#2{#3}{#4}} } \def_new:Npn \dim_dowhile:nNnT #1#2#3#4{ #4 \dim_compare:nNnT {#1}#2{#3}{\dim_dowhile:nNnT {#1}#2{#3}{#4}} } \def_new:Npn \dim_dowhile:nNnF #1#2#3#4{ #4 \dim_compare:nNnF {#1}#2{#3}{\dim_dowhile:nNnF {#1}#2{#3}{#4}} } \let_new:NN \muskip_new:N \newmuskip % nicked from LaTeX \def_new:Npn \muskip_set:Nn#1#2{#1\etex_muexpr:D#2\scan_stop:} \def_new:Npn \muskip_gset:Nn{\pref_global:D\muskip_set:Nn} \def_new:Npn \muskip_add:Nn#1#2{\tex_advance:D#1\etex_muexpr:D#2\scan_stop:} \def_new:Npn \muskip_gadd:Nn{\pref_global:D\muskip_add:Nn} \def_new:Npn \muskip_sub:Nn#1#2{\tex_advance:D#1-\etex_muexpr:D#2\scan_stop:} \def_new:Npn \muskip_gsub:Nn{\pref_global:D\muskip_sub:Nn} %% %% %% End of file `l3skip.sty'.