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\LeadsheetsExplLibrary{chordnames}{2015/07/02 typesetting chord names with easy syntax}
\leadsheets_load_library:n {musicsymbols}
% \bool_new:N \l__leadsheets_output_notation_german_bool
% \bool_new:N \l__leadsheets_input_notation_german_bool
\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_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_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:Nnn \l__leadsheets_chord_tl {maj7}
{\l__leadsheets_major_seven_tl}
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {maj9}
{\l__leadsheets_major_nine_tl}
\leadsheets_chord_sym:Nnn \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:Nnn \l__leadsheets_chord_tl {##}
{\l__leadsheets_doublesharp_tl}
\leadsheets_chord_sym:Nnn \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_chord_sym:Nnn \l__leadsheets_chord_tl {/o}
{\textsuperscript{\l__leadsheets_half_dim_tl}}
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {o}
{\textsuperscript{\l__leadsheets_full_dim_tl}}
\leadsheets_chord_sym:Nnn \l__leadsheets_chord_tl {+}
{\textsuperscript{\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}
\tl_use:N \l__leadsheets_chord_tl
\group_end:
}
\group_end:
\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 .tl_set:N = \l__leadsheets_minor_tl ,
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: }
\endinput
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 use library any more
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