\LeadsheetsExplLibrary{properties}{2014/08/10 song properties} \cs_generate_variant:Nn \tl_if_eq:nnTF {x} \seq_new:N \l__leadsheets_song_properties_seq \prop_new:N \l__leadsheets_duplicate_properties_prop \cs_new_protected:Npn \leadsheets_define_property:n #1 { \prop_new:c {l__leadsheets_songs_#1_prop} \seq_put_right:Nn \l__leadsheets_song_properties_seq {#1} } \cs_new_protected:Npn \leadsheets_set_property:nnn #1#2#3 { \prop_gput:cnn {l__leadsheets_songs_#2_prop} {#1} {#3} } \cs_generate_variant:Nn \leadsheets_set_property:nnn { nnx } \cs_new:Npn \leadsheets_get_property:nn #1#2 { \prop_item:cn {l__leadsheets_songs_#2_prop} {#1} } \cs_generate_variant:Nn \leadsheets_get_property:nn { V } \prg_new_conditional:Npnn \leadsheets_if_property:nn #1#2 {p,T,F,TF} { \prop_if_in:cnTF {l__leadsheets_songs_#2_prop} {#1} { \prg_return_true: } { \prg_return_false: } } \cs_generate_variant:Nn \leadsheets_if_property:nnTF { V } \cs_generate_variant:Nn \leadsheets_if_property:nnT { V } \cs_generate_variant:Nn \leadsheets_if_property_p:nn { V } \prg_new_conditional:Npnn \leadsheets_if_measuring: {T,F,TF} { \bool_if:NTF \l__leadsheets_measuring_bool { \prg_return_true: } { \prg_return_false: } } \prg_new_protected_conditional:Npnn \leadsheets_if_properties_eq:nnn #1#2#3 {T,F,TF} { \tl_if_eq:xxTF { \leadsheets_get_property:nn {#1} {#2} } { \leadsheets_get_property:nn {#1} {#3} } { \prg_return_true: } { \prg_return_false: } } \cs_generate_variant:Nn \leadsheets_if_properties_eq:nnnTF { V } \prg_new_protected_conditional:Npnn \leadsheets_if_property_eq:nnn #1#2#3 {T,F,TF} { \tl_if_eq:xnTF { \leadsheets_get_property:nn {#1} {#2} } { #3 } { \prg_return_true: } { \prg_return_false: } } \cs_generate_variant:Nn \leadsheets_if_property_eq:nnnTF { V } \cs_new_protected:Npn \leadsheets_copy_property:nnn #1#2#3 { \bool_if:nT { !\leadsheets_if_property_p:nn {#1} {#3} && \leadsheets_if_property_p:nn {#1} {#2} } { \leadsheets_set_property:nnx {#1} {#3} { \leadsheets_get_property:nn {#1} {#2} } } } \cs_new_protected:Npn \leadsheets_duplicate_property:nn #1#2 { \prop_put:Nnn \l__leadsheets_duplicate_properties_prop {#1} {#2} } \cs_new_protected:Npn \leadsheets_set_duplicate_properties:n #1 { \prop_map_inline:Nn \l__leadsheets_duplicate_properties_prop { \leadsheets_copy_property:nnn {#1} {##1} {##2} } } \cs_new_protected:Npn \leadsheets_print_property_list:nnnnnn #1#2#3#4#5#6 { \seq_set_split:Nnx \l__leadsheets_tmpa_seq {~and~} { \leadsheets_get_property:nn {#1} {#2} } \seq_clear:N \l__leadsheets_tmpb_seq \seq_map_inline:Nn \l__leadsheets_tmpa_seq { \seq_put_right:Nn \l__leadsheets_tmpb_seq { #3 {##1} } } \seq_use:Nnnn \l__leadsheets_tmpb_seq {#4} {#5} {#6} } \cs_generate_variant:Nn \leadsheets_print_property_list:nnnnnn { V } \cs_new_protected:Npn \leadsheets_use_property_list:nnnn #1#2#3#4 { \seq_set_split:Nnx \l__leadsheets_tmpa_seq {~and~} { \leadsheets_get_property:nn {#1} {#2} } \seq_clear:N \l__leadsheets_tmpb_seq \seq_map_inline:Nn \l__leadsheets_tmpa_seq { \seq_put_right:Nn \l__leadsheets_tmpb_seq { #3 {##1} } } \seq_use:Nn \l__leadsheets_tmpb_seq {#4} } \cs_generate_variant:Nn \leadsheets_use_property_list:nnnn { V } \cs_new:Npn \leadsheets_for_property_list:nn #1#2 { \__leadsheets_for_property_list_aux:nww {#2} #1 ~and~ \q_stop } \cs_generate_variant:Nn \leadsheets_for_property_list:nn { f } \cs_new:Npn \__leadsheets_for_property_list_aux:nww #1#2 ~and~ #3 \q_stop { #1 { #2 } \tl_if_blank:nF {#3} { \__leadsheets_for_property_list_aux:nww {#1} #3 \q_stop } } \DeclareExpandableDocumentCommand \songproperty {m} { \leadsheets_get_property:Vn \l_leadsheets_current_song_id_tl {#1} } % #1: command that formats every entry in list % #2: property % #3: separator between two % #4: separator between more than tow % #5: separator between last two \NewDocumentCommand \printsongpropertylist {O{\use:n}mmmm} { \leadsheets_print_property_list:Vnnnnn \l_leadsheets_current_song_id_tl {#2} {#1} {#3} {#4} {#5} } % #1: command that formats every entry in list % #2: property % #3: separator \NewDocumentCommand \usesongpropertylist {O{\use:n}mm} { \leadsheets_use_property_list:Vnnn \l_leadsheets_current_song_id_tl {#2} {#1} {#3} } % #1: command that formats every entry in list % #2: property \DeclareExpandableDocumentCommand \forsongpropertylist {mm} { \leadsheets_for_property_list:fn { \leadsheets_get_property:Vn \l_leadsheets_current_song_id_tl {#1} } {#2} } \DeclareExpandableDocumentCommand \ifsongproperty {m} { \leadsheets_if_property:VnTF \l_leadsheets_current_song_id_tl {#1} } \DeclareExpandableDocumentCommand \ifsongmeasuring {} { \leadsheets_if_measuring:TF } \NewDocumentCommand \ifsongpropertiesequal {mm} { \leadsheets_if_properties_eq:VnnTF \l_leadsheets_current_song_id_tl {#1} {#2} } \NewDocumentCommand \ifsongpropertyequal {mm} { \leadsheets_if_property_eq:VnnTF \l_leadsheets_current_song_id_tl {#1} {#2} } \NewDocumentCommand \definesongproperty {m} { \leadsheets_define_property:n {#1} } \@onlypreamble\definesongproperty \NewDocumentCommand \copysongproperty {mm} { \leadsheets_duplicate_property:nn {#1} {#2} } \@onlypreamble\copysongproperty \endinput