%% This is file `l3ref-tmp.sty', %% %% Copyright (C) 2020-2021 The LaTeX 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 a tmp file in place of a future kernel module %% and subject to change without notice. %% \ProvidesExplPackage{l3ref-tmp}{2021-06-23}{} {L3 Experimental cross-referencing} \cs_new_protected:Npn \ref_attribute_gset:nnnn #1#2#3#4 { \exp_args:Nx \__ref_attribute_gset:nnnn { \tl_to_str:n {#1} } {#2} {#3} {#4} } \cs_new_protected:Npn \__ref_attribute_gset:nnnn #1#2#3#4 { \cs_gset:cpn { __ref_attribute_ #1 : } {#4} \tl_gclear_new:c { g__ref_default_ #1 _tl } \tl_gset:cn { g__ref_default_ #1 _tl } {#2} \bool_if_exist:cF { g__ref_shipout_ #1 _tl } { \bool_new:c { g__ref_shipout_ #1 _tl } } \str_case:nnF {#3} { { now } { { \bool_gset_false:c { g__ref_shipout_ #1 _tl } } } { shipout } { \bool_gset_true:c { g__ref_shipout_ #1 _tl } } } { \msg_error:nnnn { ref } { unknown-setpoint } {#1} {#3} } } \cs_new_protected:Npn \ref_label:nN #1#2 { \ref_label:nV {#1} #2 } \cs_new_protected:Npn \ref_label:nn #1#2 { \exp_args:Nx \__ref_label:nn { \tl_to_str:n {#1} } {#2} } \cs_generate_variant:Nn \ref_label:nn { nV } \cs_new_protected:Npn \__ref_label:nn #1#2 { \legacy_if:nT { @filesw } { \iow_shipout_x:Nx \@auxout { \token_to_str:N \newlabeldata {#1} { \clist_map_function:nN {#2} \__ref_label_attribute:n } } } } \cs_new:Npn \__ref_label_attribute:n #1 { \exp_args:Ne \__ref_label_attribute_aux:n { \tl_to_str:n {#1} } } \cs_new:Npn \__ref_label_attribute_aux:n #1 { \cs_if_exist:cTF { __ref_attribute_ #1 : } { {#1} { \bool_if:cTF { g__ref_shipout_ #1 _tl } { \exp_not:c } { \use:c } { __ref_attribute_ #1 : } } } { \msg_expandable_error:nnn { ref } { attribute-not-defined } {#1} } } \cs_new:Npn \ref_value:nn #1#2 { \exp_args:Nee \__ref_value:nn { \tl_to_str:n {#1} } { \tl_to_str:n {#2} } } \cs_new:Npn \__ref_value:nn #1#2 { \tl_if_exist:cTF { g__ref_label_ #1 _ #2 _tl } { \tl_use:c { g__ref_label_ #1 _ #2 _tl } } { \tl_if_exist:cTF { g__ref_default_ #2 _tl } { \tl_use:c { g__ref_default_ #2 _tl } } { \exp_not:n { \textbf { ?? } } } } } \prg_new_conditional:Npnn \ref_if_exist:nn #1#2 { p , T , F, TF } % #1 label #2 attribute { \tl_if_exist:cTF { g__ref_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl } { \prg_return_true: } { \prg_return_false: } } \cs_new_protected:Npn \newlabeldata #1#2 { \__ref_data:nnn {#1} #2 { \q_recursion_tail } { ? } \q_recursion_stop } \cs_new_protected:Npn \__ref_data:nnn #1#2#3 { \quark_if_recursion_tail_stop:n {#2} \tl_gclear_new:c { g__ref_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl } \tl_gset:cn { g__ref_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl } {#3} \__ref_data:nnn {#1} } \ref_attribute_gset:nnnn { abspage } { 0 } { shipout } { \int_use:N \g_shipout_readonly_int } \ref_attribute_gset:nnnn { page } { 0 } { shipout } { \thepage } \clist_new:N \g_ref_main_clist \clist_gput_right:Nn \g_ref_main_clist { page } \msg_new:nnnn { ref } { attribute-not-defined } { Attribute~'#1'~not~defined. } { LaTeX~has~been~asked~to~use~attribute~'#1',~but~this~ name~has~not~been~defined. } \msg_new:nnnn { ref } { unknown-setpoint } { Unknown~keyword~'#3'~for~setting~attribute~'#1'. } { LaTeX~has~been~asked~to~set~the~attribute~'#1',~but~the~keyword~ '#3'~is~not~one~of~the~two~known~values:~'now'~or~'shipout'. } %% %% %% End of file `l3ref.sty'.