%% %% This is file `l3box.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% l3box.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: l3box.dtx Copyright (C) 2005-2010 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: l3box.dtx 2048 2010-09-26 19:13:59Z joseph $ {L3 Experimental Box module} \ProvidesExplPackage {\filename}{\filedate}{\fileversion}{\filedescription} \package_check_loaded_expl: \cs_new_protected:Npn \box_new:N #1 { \chk_if_free_cs:N #1 \newbox #1 } \cs_generate_variant:Nn \box_new:N {c} \cs_new_eq:NN \if_hbox:N \tex_ifhbox:D \cs_new_eq:NN \if_vbox:N \tex_ifvbox:D \cs_new_eq:NN \if_box_empty:N \tex_ifvoid:D \prg_new_conditional:Nnn \box_if_horizontal:N {p,TF,T,F} { \tex_ifhbox:D #1 \prg_return_true: \else: \prg_return_false: \fi: } \prg_new_conditional:Nnn \box_if_vertical:N {p,TF,T,F} { \tex_ifvbox:D #1 \prg_return_true: \else: \prg_return_false: \fi: } \cs_generate_variant:Nn \box_if_horizontal_p:N {c} \cs_generate_variant:Nn \box_if_horizontal:NTF {c} \cs_generate_variant:Nn \box_if_horizontal:NT {c} \cs_generate_variant:Nn \box_if_horizontal:NF {c} \cs_generate_variant:Nn \box_if_vertical_p:N {c} \cs_generate_variant:Nn \box_if_vertical:NTF {c} \cs_generate_variant:Nn \box_if_vertical:NT {c} \cs_generate_variant:Nn \box_if_vertical:NF {c} \prg_new_conditional:Nnn \box_if_empty:N {p,TF,T,F} { \tex_ifvoid:D #1 \prg_return_true: \else: \prg_return_false: \fi: } \cs_generate_variant:Nn \box_if_empty_p:N {c} \cs_generate_variant:Nn \box_if_empty:NTF {c} \cs_generate_variant:Nn \box_if_empty:NT {c} \cs_generate_variant:Nn \box_if_empty:NF {c} \cs_new_protected_nopar:Npn \box_set_eq:NN #1#2 {\tex_setbox:D #1 \tex_copy:D #2} \cs_generate_variant:Nn \box_set_eq:NN {cN,Nc,cc} \cs_new_protected_nopar:Npn \box_set_eq_clear:NN #1#2 {\tex_setbox:D #1 \tex_box:D #2} \cs_generate_variant:Nn \box_set_eq_clear:NN {cN,Nc,cc} \cs_new_protected_nopar:Npn \box_gset_eq:NN {\pref_global:D\box_set_eq:NN} \cs_generate_variant:Nn \box_gset_eq:NN {cN,Nc,cc} \cs_new_protected_nopar:Npn \box_gset_eq_clear:NN {\pref_global:D\box_set_eq_clear:NN} \cs_generate_variant:Nn \box_gset_eq_clear:NN {cN,Nc,cc} \cs_new_eq:NN \l_last_box \tex_lastbox:D \cs_new_protected_nopar:Npn \box_set_to_last:N #1{\tex_setbox:D#1\l_last_box} \cs_generate_variant:Nn \box_set_to_last:N {c} \cs_new_protected_nopar:Npn \box_gset_to_last:N {\pref_global:D \box_set_to_last:N} \cs_generate_variant:Nn \box_gset_to_last:N {c} \cs_new:Npn \box_move_left:nn #1#2{\tex_moveleft:D\dim_eval:n{#1} #2} \cs_new:Npn \box_move_right:nn #1#2{\tex_moveright:D\dim_eval:n{#1} #2} \cs_new:Npn \box_move_up:nn #1#2{\tex_raise:D\dim_eval:n{#1} #2} \cs_new:Npn \box_move_down:nn #1#2{\tex_lower:D\dim_eval:n{#1} #2} \cs_new_protected_nopar:Npn \box_clear:N #1{\box_set_eq_clear:NN #1 \c_empty_box } \cs_generate_variant:Nn \box_clear:N {c} \cs_new_protected_nopar:Npn \box_gclear:N {\pref_global:D\box_clear:N} \cs_generate_variant:Nn \box_gclear:N {c} \cs_new_eq:NN \box_ht:N \tex_ht:D \cs_new_eq:NN \box_dp:N \tex_dp:D \cs_new_eq:NN \box_wd:N \tex_wd:D \cs_generate_variant:Nn \box_ht:N {c} \cs_generate_variant:Nn \box_dp:N {c} \cs_generate_variant:Nn \box_wd:N {c} \cs_new_protected_nopar:Npn \box_set_dp:Nn #1#2 { \box_dp:N #1 \etex_dimexpr:D #2 \scan_stop: } \cs_new_protected_nopar:Npn \box_set_ht:Nn #1#2 { \box_ht:N #1 \etex_dimexpr:D #2 \scan_stop: } \cs_new_protected_nopar:Npn \box_set_wd:Nn #1#2 { \box_wd:N #1 \etex_dimexpr:D #2 \scan_stop: } \cs_generate_variant:Nn \box_set_ht:Nn { c } \cs_generate_variant:Nn \box_set_dp:Nn { c } \cs_generate_variant:Nn \box_set_wd:Nn { c } \cs_new_eq:NN \box_use_clear:N \tex_box:D \cs_generate_variant:Nn \box_use_clear:N {c} \cs_new_eq:NN \box_use:N \tex_copy:D \cs_generate_variant:Nn \box_use:N {c} \cs_set_eq:NN \box_show:N \tex_showbox:D \cs_generate_variant:Nn \box_show:N {c} \cs_set_eq:NN \c_empty_box \voidb@x \cs_new_eq:NN \l_tmpa_box \@tempboxa \box_new:N \l_tmpb_box \cs_new_protected_nopar:Npn \vbox:n {\tex_vbox:D \scan_stop:} \cs_new_protected_nopar:Npn \vbox_top:n {\tex_vtop:D \scan_stop:} \cs_new_protected:Npn \vbox_set:Nn #1#2 {\tex_setbox:D #1 \tex_vbox:D {#2}} \cs_generate_variant:Nn \vbox_set:Nn {cn} \cs_new_protected_nopar:Npn \vbox_gset:Nn {\pref_global:D \vbox_set:Nn} \cs_generate_variant:Nn \vbox_gset:Nn {cn} \cs_new_protected:Npn \vbox_set_top:Nn #1#2 {\tex_setbox:D #1 \tex_vtop:D {#2}} \cs_generate_variant:Nn \vbox_set_top:Nn {cn} \cs_new_protected_nopar:Npn \vbox_gset_top:Nn {\pref_global:D \vbox_set_top:Nn} \cs_generate_variant:Nn \vbox_gset_top:Nn {cn} \cs_new_protected:Npn \vbox_set_to_ht:Nnn #1#2#3 { \tex_setbox:D #1 \tex_vbox:D to #2 {#3} } \cs_generate_variant:Nn \vbox_set_to_ht:Nnn {cnn} \cs_new_protected_nopar:Npn \vbox_gset_to_ht:Nnn { \pref_global:D \vbox_set_to_ht:Nnn } \cs_generate_variant:Nn \vbox_gset_to_ht:Nnn {cnn,ccn} \cs_new_protected_nopar:Npn \vbox_set_inline_begin:N #1 { \tex_setbox:D #1 \tex_vbox:D \c_group_begin_token } \cs_new_eq:NN \vbox_set_inline_end: \c_group_end_token \cs_new_protected_nopar:Npn \vbox_gset_inline_begin:N { \pref_global:D \vbox_set_inline_begin:N } \cs_new_eq:NN \vbox_gset_inline_end: \c_group_end_token \cs_new_protected:Npn \vbox_to_ht:nn #1#2{\tex_vbox:D to \dim_eval:n{#1}{#2}} \cs_new_protected:Npn \vbox_to_zero:n #1 {\tex_vbox:D to \c_zero_dim {#1}} \cs_new_protected_nopar:Npn \vbox_set_split_to_ht:NNn #1#2#3{ \tex_setbox:D #1 \tex_vsplit:D #2 to #3 } \cs_new_eq:NN \vbox_unpack:N \tex_unvcopy:D \cs_generate_variant:Nn \vbox_unpack:N {c} \cs_new_eq:NN \vbox_unpack_clear:N \tex_unvbox:D \cs_generate_variant:Nn \vbox_unpack_clear:N {c} \cs_new_protected_nopar:Npn \hbox:n {\tex_hbox:D \scan_stop:} \cs_new_protected:Npn \hbox_set:Nn #1#2 {\tex_setbox:D #1 \tex_hbox:D {#2}} \cs_generate_variant:Nn \hbox_set:Nn {cn} \cs_new_protected_nopar:Npn \hbox_gset:Nn {\pref_global:D \hbox_set:Nn} \cs_generate_variant:Nn \hbox_gset:Nn {cn} \cs_new_protected:Npn \hbox_set_to_wd:Nnn #1#2#3 { \tex_setbox:D #1 \tex_hbox:D to \dim_eval:n{#2} {#3} } \cs_generate_variant:Nn \hbox_set_to_wd:Nnn {cnn} \cs_new_protected_nopar:Npn \hbox_gset_to_wd:Nnn {\pref_global:D \hbox_set_to_wd:Nnn } \cs_generate_variant:Nn \hbox_gset_to_wd:Nnn {cnn} \cs_new_protected_nopar:Npn \hbox_set_inline_begin:N #1 { \tex_setbox:D #1 \tex_hbox:D \c_group_begin_token } \cs_generate_variant:Nn \hbox_set_inline_begin:N {c} \cs_new_eq:NN \hbox_set_inline_end: \c_group_end_token \cs_new_protected_nopar:Npn \hbox_gset_inline_begin:N { \pref_global:D \hbox_set_inline_begin:N } \cs_generate_variant:Nn \hbox_gset_inline_begin:N {c} \cs_new_eq:NN \hbox_gset_inline_end: \c_group_end_token \cs_new_protected:Npn \hbox_to_wd:nn #1#2 {\tex_hbox:D to #1 {#2}} \cs_new_protected:Npn \hbox_to_zero:n #1 {\tex_hbox:D to \c_zero_skip {#1}} \cs_new_protected:Npn \hbox_overlap_left:n #1 {\hbox_to_zero:n {\tex_hss:D #1}} \cs_new_protected:Npn \hbox_overlap_right:n #1 {\hbox_to_zero:n {#1 \tex_hss:D}} \cs_new_eq:NN \hbox_unpack:N \tex_unhcopy:D \cs_generate_variant:Nn \hbox_unpack:N {c} \cs_new_eq:NN \hbox_unpack_clear:N \tex_unhbox:D \cs_generate_variant:Nn \hbox_unpack_clear:N {c} %% %% %% End of file `l3box.sty'.