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leadsheets.library.chordnames.code.tex
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% --------------------------------------------------------------------------
% the LEADSHEETS package
%
% typesetting leadsheets and songbooks
%
% --------------------------------------------------------------------------
% Clemens Niederberger
% E-Mail: [email protected]
% --------------------------------------------------------------------------
% Copyright 2014--2022 Clemens Niederberger
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This work has the LPPL maintenance status `maintained'.
%
% The Current Maintainer of this work is Clemens Niederberger.
% --------------------------------------------------------------------------
\LeadsheetsExplLibrary{chordnames}{2016/07/05 typesetting chord names with easy syntax}
\leadsheets_load_library:n {musicsymbols}
\tl_new:N \l__leadsheets_chord_tl
\tl_new:N \l__leadsheets_tension_tl
\tl_new:N \l__leadsheets_format_tl
\cs_new_protected:Npn \leadsheets_tension_sym:Nn #1#2
{ \tl_replace_all:Nnn #1 {#2} { \textsuperscript {#2} } }
\cs_new_protected:Npn \leadsheets_tension_sym:Nnn #1#2#3
{ \tl_replace_all:Nnn #1 {#2} { \textsuperscript {#3} } }
\cs_generate_variant:Nn \leadsheets_tension_sym:Nnn {NnV}
\cs_new_protected:Npn \leadsheets_chord_sym:Nnn #1#2#3
{ \tl_replace_all:Nnn #1 {#2} {#3} }
\cs_generate_variant:Nn \leadsheets_chord_sym:Nnn {NnV}
\tl_new:N \l__leadsheets_sharp_tl
\tl_new:N \l__leadsheets_flat_tl
\tl_new:N \l__leadsheets_doublesharp_tl
\tl_new:N \l__leadsheets_doubleflat_tl
\tl_new:N \l__leadsheets_full_dim_tl
\tl_new:N \l__leadsheets_half_dim_tl
\tl_new:N \l__leadsheets_aug_tl
\tl_new:N \l__leadsheets_major_tl
\tl_new:N \l__leadsheets_minor_tl
\tl_new:N \l__leadsheets_sus_tl
\tl_new:N \l__leadsheets_dim_tl
\tl_new:N \l__leadsheets_add_tl
\tl_new:N \l__leadsheets_major_seven_tl
\tl_new:N \l__leadsheets_major_nine_tl
\tl_new:N \l__leadsheets_german_B_tl
\tl_new:N \l__leadsheets_german_H_tl
\tl_set:Nn \l__leadsheets_sharp_tl {\sharp}
\tl_set:Nn \l__leadsheets_flat_tl {\flat}
\tl_set:Nn \l__leadsheets_doublesharp_tl {\doublesharp}
\tl_set:Nn \l__leadsheets_doubleflat_tl {\doubleflat}
\tl_set:Nn \l__leadsheets_half_dim_tl {\o{}}
\tl_set:Nn \l__leadsheets_full_dim_tl {o}
\tl_set:Nn \l__leadsheets_aug_tl {+}
\tl_set:Nn \l__leadsheets_major_tl {}
\tl_set:Nn \l__leadsheets_minor_tl {m}
\tl_set:Nn \l__leadsheets_sus_tl {\textsuperscript{sus}}
\tl_set:Nn \l__leadsheets_dim_tl {\textsuperscript{dim}}
\tl_set:Nn \l__leadsheets_add_tl {\textsuperscript{add}}
\tl_set:Nn \l__leadsheets_major_seven_tl {\textsuperscript{maj7}}
\tl_set:Nn \l__leadsheets_major_nine_tl {\textsuperscript{maj9}}
\tl_set:Nn \l__leadsheets_german_B_tl {B}
\tl_set:Nn \l__leadsheets_german_H_tl {H}
\group_begin:
% for convenient input of sharps:
\char_set_catcode_other:N \#
% because ^ is active in the song environment:
\char_set_catcode_active:N \^
% # is other so we need another parameter character:
\char_set_catcode_parameter:N \!
\cs_gset_protected:Npn \leadsheets_chord:
{
\group_begin:
\tl_use:N \l__leadsheets_format_tl
\char_set_catcode_other:N \#
\char_set_catcode_active:N \^
\leadsheets_chord_aux:n
}
\cs_gset_protected:Npn \leadsheets_chord_aux:n !1
{
\tl_set:Nn \l__leadsheets_chord_tl {!1}
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {maj7} \l__leadsheets_major_seven_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {maj9} \l__leadsheets_major_nine_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {sus} \l__leadsheets_sus_tl
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {^} {\textsuperscript}
\bool_if:NT \l__leadsheets_output_notation_german_bool
{
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {B} \l__leadsheets_german_B_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {H} \l__leadsheets_german_H_tl
}
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {#b} {}
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {b#} {}
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {##} \l__leadsheets_doublesharp_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {bb} \l__leadsheets_doubleflat_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {#} \l__leadsheets_sharp_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {b} \l__leadsheets_flat_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {dim} \l__leadsheets_dim_tl
\leadsheets_chord_sym:NnV \l__leadsheets_chord_tl {add} \l__leadsheets_add_tl
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {0}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {1}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {2}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {3}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {4}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {5}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {6}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {7}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {8}
\leadsheets_tension_sym:Nn \l__leadsheets_chord_tl {9}
\leadsheets_tension_sym:NnV \l__leadsheets_chord_tl {/o} \l__leadsheets_half_dim_tl
\leadsheets_tension_sym:NnV \l__leadsheets_chord_tl {o} \l__leadsheets_full_dim_tl
\leadsheets_tension_sym:NnV \l__leadsheets_chord_tl {+} \l__leadsheets_aug_tl
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {(}
{ \leadsheets_tension:w( }
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {mi}
{\l__leadsheets_minor_tl}
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {ma}
{\l__leadsheets_major_tl}
\tl_replace_all:Nnn \l__leadsheets_chord_tl
{\textsuperscript\textsuperscript}
{\textsuperscript}
\bool_if:NT \l__leadsheets_lowercase_minor_bool
{
\tl_put_left:Nn \l__leadsheets_chord_tl { \__leadsheets_start_minor:w }
\tl_put_right:Nn \l__leadsheets_chord_tl { \q_stop }
}
% \show \l__leadsheets_chord_tl
\tl_use:N \l__leadsheets_chord_tl
\group_end:
}
\group_end:
% lowercase letters for minor chords:
\bool_new:N \l__leadsheets_lowercase_minor_bool
\cs_new_protected:Npn \__leadsheets_start_minor:w #1 \q_stop
{
\tl_if_in:nnTF {#1} {\l__leadsheets_minor_tl}
{ \__leadsheets_revert_minor:w #1 \q_stop }
{#1}
}
\cs_new_protected:Npn \__leadsheets_revert_minor:w #1 \l__leadsheets_minor_tl #2 \q_stop
{ \text_lowercase:n {#1} #2 }
\cs_new_protected:Npn \leadsheets_tension:w (#1)
{
\group_begin:
\tl_set:Nn \l__leadsheets_tension_tl {#1}
\leadsheets_chord_sym:Nnn \l__leadsheets_tension_tl
{\textsuperscript}
{\use:n}
\textsuperscript { ( \tl_use:N \l__leadsheets_tension_tl ) }
\group_end:
}
\keys_define:nn {leadsheets/chords}
{
format .tl_set:N = \l__leadsheets_format_tl ,
sharp .tl_set:N = \l__leadsheets_sharp_tl ,
flat .tl_set:N = \l__leadsheets_flat_tl ,
double-sharp .tl_set:N = \l__leadsheets_doublesharp_tl ,
double-flat .tl_set:N = \l__leadsheets_doubleflat_tl ,
half-dim .tl_set:N = \l__leadsheets_half_dim_tl ,
full-dim .tl_set:N = \l__leadsheets_full_dim_tl ,
aug .tl_set:N = \l__leadsheets_aug_tl ,
major .tl_set:N = \l__leadsheets_major_tl ,
minor .code:n =
\str_if_eq:nnTF {#1} {lowercase}
{
\bool_set_true:N \l__leadsheets_lowercase_minor_bool
\tl_clear:N \l__leadsheets_minor_tl
}
{
\bool_set_false:N \l__leadsheets_lowercase_minor_bool
\tl_set:Nn \l__leadsheets_minor_tl {#1}
} ,
sus .tl_set:N = \l__leadsheets_sus_tl ,
add .tl_set:N = \l__leadsheets_add_tl ,
dim .tl_set:N = \l__leadsheets_dim_tl ,
major-seven .tl_set:N = \l__leadsheets_major_seven_tl ,
major-nine .tl_set:N = \l__leadsheets_major_nine_tl ,
german-B .tl_set:N = \l__leadsheets_german_B_tl ,
german-H .tl_set:N = \l__leadsheets_german_H_tl ,
% since version 0.2 those are defined in the `chords` library:
% output-notation .choice: ,
% input-notation .choice: ,
}
\NewDocumentCommand \setchords {m}
{ \keys_set:nn {leadsheets/chords} {#1} }
\NewDocumentCommand \chordname {} { \leadsheets_chord: }
\file_input_stop:
HISTORY:
2014/08/10 - first version
2015/05/08 - drop `literal' option for input and output notation
- input/output notation is now handled by the `chords' library
- German output of B and H can be customized
2015/05/22 - improvements to the chord macros
2015/07/02 - this is not a user library any more
2016/07/05 - with option `minor=lowercase' minor chords are now printed with
lowercase letters; requires user input `Dmi' in order to get `d';
lowercase letters can of course be input directly but then are
immune to transposing
2020/01/16 - adapt to renaming of case changing functions