%% %% This is file `l3str-format.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% l3str-format.dtx (with options: `package') %% %% Copyright (C) 2011-2019 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 "l3experimental bundle" (The Work in LPPL) %% and all files in that bundle must be distributed together. %% %% File: l3str-format.dtx \RequirePackage{expl3} \ProvidesExplPackage{l3str-format}{2019-09-28}{} {L3 Experimental string formatting} \cs_generate_variant:Nn \use:nn { nf } \cs_generate_variant:Nn \use:nnn { fnf } \cs_generate_variant:Nn \tl_to_str:n { f } \prg_new_conditional:Npnn \__str_format_if_digit:N #1 { TF } { \if_int_compare:w 9 < 1 #1 \exp_stop_f: \prg_return_true: \else: \prg_return_false: \fi: } \cs_new:Npn \__str_format_put:nw #1 #2 \s_stop { #2 \s_stop #1 } \cs_generate_variant:Nn \__str_format_put:nw { o , f } \prg_new_conditional:Npnn \__str_format_if_in:nN #1#2 { TF } { \__str_format_if_in_aux:NN #2 #1 { #2 \prg_return_false: \exp_after:wN \prg_break: \else: } \prg_break_point: } \cs_new:Npn \__str_format_if_in_aux:NN #1#2 { \if_charcode:w #1 #2 \prg_return_true: \exp_after:wN \prg_break: \fi: \__str_format_if_in_aux:NN #1 } \cs_new:Npn \__str_format_parse:n #1 { \exp_last_unbraced:Nf \__str_format_parse_auxi:NN { \__kernel_str_to_other:n {#1} } \s_stop \s_stop {#1} } \cs_new:Npx \__str_format_parse_auxi:NN #1#2 { \exp_not:N \__str_format_if_in:nNTF { < > = ^ } #2 { \exp_not:N \__str_format_parse_auxiii:nN { #1 #2 } } { \exp_not:N \__str_format_parse_auxii:nN { \c_catcode_other_space_tl } #1 #2 } } \cs_new:Npn \__str_format_parse_auxii:nN #1#2 { \__str_format_if_in:nNTF { < > = ^ } #2 { \__str_format_parse_auxiii:nN { #1 #2 } } { \__str_format_parse_auxiii:nN { #1 ? } #2 } } \cs_new:Npx \__str_format_parse_auxiii:nN #1#2 { \exp_not:N \__str_format_if_in:nNTF { + - \c_catcode_other_space_tl } #2 { \exp_not:N \__str_format_parse_auxiv:nwN { #1 #2 } ; } { \exp_not:N \__str_format_parse_auxiv:nwN { #1 ? } ; #2 } } \cs_new:Npn \__str_format_parse_auxiv:nwN #1#2; #3 { \__str_format_if_digit:NTF #3 { \__str_format_parse_auxiv:nwN {#1} #2 #3 ; } { \__str_format_parse_auxv:nN { #1 {#2} } #3 } } \cs_new:Npn \__str_format_parse_auxv:nN #1#2 { \token_if_eq_charcode:NNTF . #2 { \__str_format_parse_auxvi:nwN {#1} 0 ; } { \__str_format_parse_auxvii:nN { #1 { } } #2 } } \cs_new:Npn \__str_format_parse_auxvi:nwN #1#2; #3 { \__str_format_if_digit:NTF #3 { \__str_format_parse_auxvi:nwN {#1} #2 #3 ; } { \__str_format_parse_auxvii:nN { #1 {#2} } #3 } } \cs_new:Npn \__str_format_parse_auxvii:nN #1#2 { \token_if_eq_meaning:NNTF \s_stop #2 { \__str_format_parse_end:nwn { #1 ? } #2 } { \__str_format_parse_end:nwn { #1 #2 } } } \cs_new:Npn \__str_format_parse_end:nwn #1 #2 \s_stop \s_stop #3 { \tl_if_empty:nF {#2} { \__kernel_msg_expandable_error:nnn { str } { invalid-format } {#3} } #1 } \cs_new:cpn { __str_format_align_<:nnnN } #1#2#3#4 { \use:nf { #2 #1 } { \prg_replicate:nn { \int_max:nn { #3 - \__str_count:n { #2 #1 } } { 0 } } {#4} } } \cs_new:cpn { __str_format_align_>:nnnN } #1#2#3#4 { \prg_replicate:nn { \int_max:nn { #3 - \__str_count:n { #2 #1 } } { 0 } } {#4} #2 #1 } \cs_new:cpn { __str_format_align_^:nnnN } #1#2#3#4 { \use:fnf { \prg_replicate:nn { \int_max:nn { 0 } { #3 - \__str_count:n { #2 #1 } - 1 } / 2 } {#4} } { #2 #1 } { \prg_replicate:nn { \int_max:nn { 0 } { #3 - \__str_count:n { #2 #1 } } / 2 } {#4} } } \cs_new:cpn { __str_format_align_=:nnnN } #1#2#3#4 { \use:nf {#2} { \prg_replicate:nn { \int_max:nn { #3 - \__str_count:n { #2 #1 } } { 0 } } {#4} } #1 } \cs_new:Npn \tl_format:Nn { \exp_args:No \tl_format:nn } \cs_generate_variant:Nn \tl_format:Nn { c } \cs_new:Npn \tl_format:nn #1#2 { \tl_to_str:f { \exp_last_unbraced:Nf \__str_format_tl:NNNnnNn { \__str_format_parse:n {#2} } {#1} } } \cs_new:Npn \__str_format_tl:NNNnnNn #1#2#3#4#5#6 { \token_if_eq_charcode:NNTF #2 = { \__kernel_msg_expandable_error:nnnn { str } { invalid-align-format } {#2} {tl} \__str_format_put:nw { #1 < } } { \token_if_eq_charcode:NNTF #2 ? { \__str_format_put:nw { #1 < } } { \__str_format_put:nw { #1 #2 } } } \token_if_eq_charcode:NNF #3 ? { \__kernel_msg_expandable_error:nnnn { str } { invalid-sign-format } {#3} {tl} } \__str_format_put:nw { {#4} } \tl_if_empty:nTF {#5} { \__str_format_put:nw { \__str_range:nnn { {1} {-1} } } } { \__str_format_put:nw { \__str_range:nnn { {1} {#5} } } } \token_if_eq_charcode:NNF #6 s { \token_if_eq_charcode:NNF #6 ? { \__kernel_msg_expandable_error:nnnn { str } { invalid-style-format } {#6} {tl} } } \__str_format_tl_s:NNnnNNn \s_stop } \cs_new:Npn \__str_format_tl_s:NNnnNNn #1#2#3#4#5#6#7 { \exp_args:Nc \exp_args:Nf { __str_format_align_#6:nnnN } { \exp_args:Nf #2 { \__kernel_str_to_other:n {#7} } #3 } { } {#4} #5 } \cs_new:Npn \seq_format:Nn #1#2 { \tl_to_str:f { \__str_format_seq:ff { \exp_after:wN \use_i:nn \exp_after:wN \exp_stop_f: #1 } { \__str_format_parse:n {#2} } } } \cs_generate_variant:Nn \seq_format:Nn { c } \cs_new:Npn \__str_format_seq:nn #1#2 { \__str_format_seq_loop:nnNn { } {#2} #1 { ? \__str_format_seq_end:w } { } } \cs_generate_variant:Nn \__str_format_seq:nn { ff } \cs_new:Npn \__str_format_seq_loop:nnNn #1#2#3#4 { \use_none:n #3 \exp_args:Nf \__str_format_seq_loop:nnNn { \use:nf {#1} { \__str_format_tl:NNNnnNn #2 {#4} } } {#2} } \cs_new:Npn \__str_format_seq_end:w #1#2#3#4 { \use_ii:nnn #3 } \cs_new:Npn \int_format:nn #1 { \exp_args:Nf \__str_format_int:nn { \int_eval:n {#1} } } \cs_new:Npn \__str_format_int:nn #1#2 { \tl_to_str:f { \exp_last_unbraced:Nf \__str_format_int:NNNnnNn { \__str_format_parse:n {#2} } {#1} } } \cs_new:Npn \__str_format_int:NNNnnNn #1#2#3#4#5#6#7 { \token_if_eq_charcode:NNTF #2 ? { \__str_format_put:nw { #1 > } } { \__str_format_put:nw { #1 #2 } } \int_compare:nNnTF {#7} < 0 { \__str_format_put:nw { - } } { \str_case:nnF {#3} { { ~ } { \__str_format_put:ow { \c_catcode_other_space_tl } } { + } { \__str_format_put:nw { + } } } { \__str_format_put:nw { { } } } } \__str_format_put:nw { {#4} } \tl_if_empty:nF {#5} { \__kernel_msg_expandable_error:nnnn { str } { invalid-precision-format } {#5} {int} } \str_case:nnF {#6} { { ? } { \__str_format_int:NwnnNNn \use:n } { d } { \__str_format_int:NwnnNNn \use:n } { b } { \__str_format_int:NwnnNNn \int_to_bin:n } { o } { \__str_format_int:NwnnNNn \int_to_oct:n } { X } { \__str_format_int:NwnnNNn \int_to_Hex:n } } { \__kernel_msg_expandable_error:nnnn { str } { invalid-style-format } {#6} { int } \__str_format_int:NwnnNNn \use:n } \s_stop {#7} } \cs_new:Npn \__str_format_int:NwnnNNn #1#2 \s_stop #3#4#5#6#7 { \exp_args:Nc \exp_args:Nf { __str_format_align_#6:nnnN } { #1 { \int_abs:n {#7} } } {#4} {#3} #5 } \cs_new:Npn \fp_format:nn #1 { \exp_args:Nf \__str_format_fp:nn { \fp_to_tl:n {#1} } } \cs_new:Npn \__str_format_fp:nn #1#2 { \tl_to_str:f { \exp_last_unbraced:Nf \__str_format_fp:NNNnnNn { \__str_format_parse:n {#2} } {#1} } } \cs_new:Npn \__str_format_fp:NNNnnNn #1#2#3#4#5#6#7 { \token_if_eq_charcode:NNTF #2 ? { \__str_format_put:nw { #1 > } } { \__str_format_put:nw { #1 #2 } } \tl_if_head_eq_charcode:nNTF {#7} - { \__str_format_put:nw { - } } { \str_case:nnF {#3} { { ~ } { \__str_format_put:ow { \c_catcode_other_space_tl } } { + } { \__str_format_put:nw { + } } } { \__str_format_put:nw { { } } } } \__str_format_put:nw { {#4} } \tl_if_empty:nTF {#5} { \token_if_eq_meaning:NNTF #6 ? { \__str_format_put:nw { { } } } { \__str_format_put:nw { { 6} } } } { \__str_format_put:nw { {#5} } } \str_case:nnF {#6} { { e } { \__str_format_fp:wnnnNNn \__str_format_fp_e:nn } { f } { \__str_format_fp:wnnnNNn \__str_format_fp_f:nn } { g } { \__str_format_fp:wnnnNNn \__str_format_fp_g:nn } { ? } { \__str_format_fp:wnnnNNn \__str_format_fp_g:nn } } { \__kernel_msg_expandable_error:nnnn { str } { invalid-style-format } {#6} { fp } \__str_format_fp:wnnnNNn \__str_format_fp_g:nn } \s_stop {#7} } \cs_new:Npn \__str_format_fp:wnnnNNn #1 \s_stop #2 #3 #4 #5#6 #7 { \exp_args:Nc \exp_args:Nf { __str_format_align_#6:nnnN } { #1 {#7} {#2} } {#4} {#3} #5 } \cs_new:Npn \__str_format_fp_round:nn #1 #2 { \fp_to_tl:n { abs ( round ( #1 , #2 - logb(#1) - 1 ) ) } } \cs_new:Npn \__str_format_fp_e:nn #1#2 { \exp_args:Nf \__str_format_fp_e_aux:nn { \__str_format_fp_round:nn {#1} { #2 + 1 } } {#2} } \cs_new:Npn \__str_format_fp_e_aux:nn #1#2 { \str_case:nnF {#1} { { inf } { inf } { nan } { nan } } { \exp_last_unbraced:Nf \__str_format_fp_e_aux:wwn { \fp_to_scientific:n {#1} } ; {#2} } } \cs_new:Npn \__str_format_fp_e_aux:wwn #1 . #2 e #3 ; #4 { \__str_format_put:nw { e #3 } \int_compare:nNnTF {#4} < \c__fp_prec_int { \__str_format_put:fw { \str_range:nnn { #2 } { 1 } { #4 } } \__str_format_put:nw { #1 . } } { \__str_format_put:fw { \prg_replicate:nn { #4 - \c__fp_prec_int + 1 } { 0 } } \__str_format_put:nw { #1 . #2 } } \use_none:n \s_stop } \cs_new:Npn \__str_format_fp_f:nn #1#2 { \exp_args:Nf \__str_format_fp_f_aux:nn { \fp_to_tl:n { abs ( round ( #1 , #2 ) ) } } {#2} } \cs_new:Npn \__str_format_fp_f_aux:nn #1#2 { \str_case:nnF {#1} { { inf } { inf } { nan } { nan } } { \exp_last_unbraced:Nf \__str_format_fp_f_aux:wwwn { \fp_to_decimal:n {#1} } . . ; {#2} } } \cs_new:Npn \__str_format_fp_f_aux:wwwn #1 . #2 . #3 ; #4 { \use:nf { #1 . #2 } { \prg_replicate:nn { #4 - \__str_count:n {#2} } {0} } } \cs_new:Npn \__str_format_fp_g:nn #1#2 { \tl_if_empty:nTF {#2} { \fp_to_tl:n { abs(#1) } } { \exp_args:Nf \__str_format_fp_g_aux:nn { \__str_format_fp_round:nn {#1} { \int_max:nn {1} {#2} } } { \int_max:nn {1} {#2} } } } \cs_new:Npn \__str_format_fp_g_aux:nn #1#2 { \str_case:nnF {#1} { { 0 } { 0 } { inf } { inf } { nan } { nan } } { \fp_compare:nTF { 1e-4 <= #1 < 1e#2 } { \fp_to_decimal:n {#1} } { \exp_last_unbraced:Nf \__str_format_fp_trim:w { \fp_to_scientific:n {#1} } } } } \cs_new:Npn \__str_format_fp_trim:w #1 e { \__str_format_fp_trim_loop:w #1 ; \__str_format_fp_trim_loop:w 0; \__str_format_fp_trim_dot:w .; \s_stop e } \cs_new:Npn \__str_format_fp_trim_loop:w #1 0; #2 { #2 #1 ; #2 } \cs_new:Npn \__str_format_fp_trim_dot:w #1 .; { \__str_format_fp_trim_end:w #1 ; } \cs_new:Npn \__str_format_fp_trim_end:w #1 ; #2 \s_stop { #1 } \__kernel_msg_new:nnn { str } { invalid-format } { Invalid~format~'#1'. } \__kernel_msg_new:nnn { str } { invalid-align-format } { Invalid~alignment~'#1'~for~type~'#2'. } \__kernel_msg_new:nnn { str } { invalid-sign-format } { Invalid~sign~'#1'~for~type~'#2'. } \__kernel_msg_new:nnn { str } { invalid-precision-format } { Invalid~precision~'#1'~for~type~'#2'. } \__kernel_msg_new:nnn { str } { invalid-style-format } { Invalid~style~'#1'~for~type~'#2'. } %% %% %% End of file `l3str-format.sty'.