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%%
%% This is file `l3str-format.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3str-format.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: l3str-format.dtx Copyright (C) 2012-2013 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.
%%
%% 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 LaTeX3 Project.
%%
%% -----------------------------------------------------------------------
\RequirePackage{expl3}
\GetIdInfo$Id: l3str-format.dtx 3940 2012-07-09 00:41:44Z bruno $
{L3 Experimental string formatting}
\ProvidesExplPackage
{\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
\RequirePackage{l3str}
\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 \c_nine < 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
\__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}
{ \__msg_kernel_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_unsafe: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_unsafe: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 \c_zero
{ #3 - \__str_count_unsafe:n { #2 #1 } - \c_one }
/ \c_two
}
{#4}
}
{ #2 #1 }
{
\prg_replicate:nn
{
\int_max:nn \c_zero
{ #3 - \__str_count_unsafe:n { #2 #1 } }
/ \c_two
}
{#4}
}
}
\cs_new:cpn { __str_format_align_=:nnnN } #1#2#3#4
{
\use:nf {#2}
{
\prg_replicate:nn
{ \int_max:nn { #3 - \__str_count_unsafe:n { #2 #1 } } { 0 } }
{#4}
}
#1
}
\cs_new_nopar: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 =
{
\__msg_kernel_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 ?
{
\__msg_kernel_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_unsafe:nnn { {1} {-1} } } }
{ \__str_format_put:nw { \__str_range_unsafe:nnn { {1} {#5} } } }
\token_if_eq_charcode:NNF #6 s
{
\token_if_eq_charcode:NNF #6 ?
{
\__msg_kernel_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 { \__str_to_other:n {#7} } #3 }
{ }
{#4} #5
}
\cs_new:Npn \seq_format:Nn #1#2
{
\tl_to_str:f
{ \__str_format_seq:of {#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 { of }
\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} < \c_zero
{ \__str_format_put:nw { - } }
{
\str_case:nnn {#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}
{
\__msg_kernel_expandable_error:nnnn
{ str } { invalid-precision-format } {#5} {int}
}
\str_case:nnn {#6}
{
{ ? } { \__str_format_int:NwnnNNn \use:n }
{ d } { \__str_format_int:NwnnNNn \use:n }
{ b } { \__str_format_int:NwnnNNn \int_to_binary:n }
{ o } { \__str_format_int:NwnnNNn \int_to_octal:n }
{ X } { \__str_format_int:NwnnNNn \int_to_hexadecimal:n }
}
{
\__msg_kernel_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_parse:n {#1} } }
\cs_new:Npn \__str_format_fp:nn #1#2
{
\tl_to_str:f
{
\exp_last_unbraced:Nf \__str_format_fp:NNNnnNw
{ \__str_format_parse:n {#2} }
#1
}
}
\cs_new:Npn \__str_format_fp:NNNnnNw
#1#2#3#4#5#6 \s__fp \__fp_chk:w #7 #8
{
\token_if_eq_charcode:NNTF #2 ?
{ \__str_format_put:nw { #1 > } }
{ \__str_format_put:nw { #1 #2 } }
\token_if_eq_meaning:NNTF 2 #8
{ \__str_format_put:nw { - } }
{
\str_case:nnn {#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}
{ \__str_format_put:nw { { 6} } }
{ \__str_format_put:nw { {#5} } }
\str_case:nnn {#6}
{
{ e } { \__str_format_fp:wnnnNNw \__str_format_fp_e:wn }
{ f } { \__str_format_fp:wnnnNNw \__str_format_fp_f:wn }
{ g } { \__str_format_fp:wnnnNNw \__str_format_fp_g:wn }
{ ? } { \__str_format_fp:wnnnNNw \__str_format_fp_g:wn }
}
{
\__msg_kernel_expandable_error:nnnn
{ str } { invalid-style-format } {#6} { fp }
\__str_format_fp:wnnnNNw \__str_format_fp_g:wn
}
\s__stop
\s__fp \__fp_chk:w #7 #8
}
\cs_new:Npn \__str_format_fp:wnnnNNw
#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:wn #1 ; #2
{ \__fp_parse:n { round ( #1; , #2 - \__fp_exponent:w #1; ) } }
\group_begin:
\char_set_catcode_other:N E
\tl_to_lowercase:n
{
\group_end:
\cs_new:Npn \__str_format_fp_e:wn \s__fp \__fp_chk:w #1#2#3 ; #4
{
\int_case:nnn {#1}
{
{0} { \use:nf { 0 . } { \prg_replicate:nn {#4} { 0 } } e 0 }
{2} { inf }
{3} { nan }
}
{
\exp_last_unbraced:Nf \__str_format_fp_e_aux:wn
\__str_format_fp_round:wn \s__fp \__fp_chk:w #1#2#3 ; { #4 + 1 }
{#4}
}
}
\cs_new:Npn \__str_format_fp_e_aux:wn
\s__fp \__fp_chk:w #1#2 #3 #4#5#6#7 ; #8
{
\__str_format_put:fw { \int_eval:n { #3 - 1 } }
\__str_format_put:nw { e }
\int_compare:nNnTF {#8} > \c_sixteen
{
\__str_format_put:fw { \prg_replicate:nn { #8 - \c_fifteen } {0} }
\__str_format_put:fw { \use_none:n #4#5#6#7 }
}
{
\__str_format_put:fw
{ \str_range:nnn { #4#5#6#7 0 } { 2 } { #8 + 1 } }
}
\__str_format_put:fw { \use_i:nnnn #4 . }
\use_none:n \s__stop
}
}
\cs_new:Npn \__str_format_fp_f:wn \s__fp \__fp_chk:w #1#2#3 ; #4
{
\int_case:nnn {#1}
{
{0} { \use:nf { 0 . } { \prg_replicate:nn {#4} { 0 } } }
{2} { inf }
{3} { nan }
}
{
\exp_last_unbraced:Nf \__str_format_fp_f_aux:wwwn
\fp_to_decimal:n
{ abs ( round ( \s__fp \__fp_chk:w #1#2#3 ; , #4 ) ) }
. . ;
{#4}
}
}
\cs_new:Npn \__str_format_fp_f_aux:wwwn #1 . #2 . #3 ; #4
{
\use:nf
{ #1 . #2 }
{ \prg_replicate:nn { #4 - \__str_count_unsafe:n {#2} } {0} }
}
\cs_new:Npn \__str_format_fp_g:wn \s__fp \__fp_chk:w #1#2 ; #3
{
\int_case:nnn {#1}
{
{0} { 0 }
{2} { inf }
{3} { nan }
}
{
\exp_last_unbraced:Nf \__str_format_fp_g_aux:wn
\__str_format_fp_round:wn \s__fp \__fp_chk:w #1#2 ;
{ \int_max:nn {1} {#3} }
{ \int_max:nn {1} {#3} }
}
}
\cs_new:Npn \__str_format_fp_g_aux:wn #1; #2
{
\int_compare:nNnTF { \__fp_exponent:w #1; } < { -3 }
{ \fp_to_scientific:n }
{
\int_compare:nNnTF { \__fp_exponent:w #1; } > {#2}
{ \fp_to_scientific:n }
{ \fp_to_decimal:n }
}
{ \__fp_abs_o:w #1; \prg_do_nothing: }
}
\__msg_kernel_new:nnn { str } { invalid-format }
{ Invalid~format~'#1'. }
\__msg_kernel_new:nnn { str } { invalid-align-format }
{ Invalid~alignment~'#1'~for~type~'#2'. }
\__msg_kernel_new:nnn { str } { invalid-sign-format }
{ Invalid~sign~'#1'~for~type~'#2'. }
\__msg_kernel_new:nnn { str } { invalid-precision-format }
{ Invalid~precision~'#1'~for~type~'#2'. }
\__msg_kernel_new:nnn { str } { invalid-style-format }
{ Invalid~style~'#1'~for~type~'#2'. }
%%
%%
%% End of file `l3str-format.sty'.
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