Generate actions from a text file
Mostly because I wanted to nest preprocessing. This makes the build more complex and slightly less portable, but the code itself is much cleaner.
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@ -90,8 +90,22 @@ configure_file (${PROJECT_SOURCE_DIR}/config.h.in
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${PROJECT_BINARY_DIR}/config.h)
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include_directories (${PROJECT_SOURCE_DIR} ${PROJECT_BINARY_DIR})
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# Assuming a Unix-compatible system with a standalone preprocessor
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set (actions ${PROJECT_BINARY_DIR}/nncmpp-actions.h)
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add_custom_command (OUTPUT ${actions}
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COMMAND cpp -I${PROJECT_BINARY_DIR} -P ${PROJECT_SOURCE_DIR}/nncmpp.actions
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| grep . | tr [[\n]] [[\t]] | sed -ne [[y/\t/\n/]] > ${actions}
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-e [[h; s/,[^\n]*/,/g]] -e [[s/$/COUNT/]]
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-e [[s/[^\n]*/\tACTION_&/g]] -e [[s/.*/enum action {\n&\n};\n/p]]
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-e [[g; s/,[^\n]*//g; y/_/-/]] -e [[s/[^\n]\{1,\}/\t"&",/g]]
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-e [[s/.*/static const char *g_action_names[] = {\n&};\n/p]]
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-e [[g; s/[^\n]*, //g;]] -e [[s/[^\n]\{1,\}/\t"&",/g]]
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-e [[s/.*/static const char *g_action_descriptions[] = {\n&};/p]]
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COMMAND test -s ${actions}
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DEPENDS ${PROJECT_BINARY_DIR}/config.h VERBATIM)
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# Build the main executable and link it
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add_executable (${PROJECT_NAME} ${PROJECT_NAME}.c)
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add_executable (${PROJECT_NAME} ${PROJECT_NAME}.c ${actions})
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target_link_libraries (${PROJECT_NAME} ${Unistring_LIBRARIES}
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${Ncursesw_LIBRARIES} termo-static ${curl_LIBRARIES} ${extra_libraries})
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add_threads (${PROJECT_NAME})
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@ -1,12 +1,11 @@
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#ifndef CONFIG_H
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#define CONFIG_H
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#define PROGRAM_NAME "${CMAKE_PROJECT_NAME}"
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#define PROGRAM_NAME "${PROJECT_NAME}"
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#define PROGRAM_VERSION "${PROJECT_VERSION}"
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#cmakedefine HAVE_RESIZETERM
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#cmakedefine WITH_FFTW
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#cmakedefine WITH_PULSE
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#endif // ! CONFIG_H
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#endif /* ! CONFIG_H */
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71
nncmpp.actions
Normal file
71
nncmpp.actions
Normal file
@ -0,0 +1,71 @@
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#include "config.h"
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NONE, Do nothing
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QUIT, Quit
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REDRAW, Redraw screen
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TAB_HELP, Switch to help tab
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TAB_LAST, Switch to last tab
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TAB_PREVIOUS, Switch to previous tab
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TAB_NEXT, Switch to next tab
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MPD_TOGGLE, Toggle play/pause
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MPD_STOP, Stop playback
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MPD_PREVIOUS, Previous song
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MPD_NEXT, Next song
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MPD_BACKWARD, Seek backwards
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MPD_FORWARD, Seek forwards
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MPD_VOLUME_UP, Increase volume
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MPD_VOLUME_DOWN, Decrease volume
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MPD_SEARCH, Global search
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MPD_ADD, Add selection to playlist
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MPD_REPLACE, Replace playlist
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MPD_REPEAT, Toggle repeat
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MPD_RANDOM, Toggle random playback
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MPD_SINGLE, Toggle single song playback
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MPD_CONSUME, Toggle consume
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MPD_UPDATE_DB, Update MPD database
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MPD_COMMAND, Send raw command to MPD
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#ifdef WITH_PULSE
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PULSE_VOLUME_UP, Increase PulseAudio volume
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PULSE_VOLUME_DOWN, Decrease PulseAudio volume
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PULSE_MUTE, Toggle mute of MPD PulseAudio sink
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#endif
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CHOOSE, Choose item
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DELETE, Delete item
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UP, Go up a level
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MULTISELECT, Toggle multiselect
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SCROLL_UP, Scroll up
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SCROLL_DOWN, Scroll down
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MOVE_UP, Move selection up
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MOVE_DOWN, Move selection down
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GOTO_TOP, Go to top
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GOTO_BOTTOM, Go to bottom
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GOTO_ITEM_PREVIOUS, Go to previous item
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GOTO_ITEM_NEXT, Go to next item
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GOTO_PAGE_PREVIOUS, Go to previous page
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GOTO_PAGE_NEXT, Go to next page
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GOTO_VIEW_TOP, Select top item
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GOTO_VIEW_CENTER, Select center item
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GOTO_VIEW_BOTTOM, Select bottom item
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EDITOR_CONFIRM, Confirm input
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EDITOR_B_CHAR, Go back a character
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EDITOR_F_CHAR, Go forward a character
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EDITOR_B_WORD, Go back a word
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EDITOR_F_WORD, Go forward a word
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EDITOR_HOME, Go to start of line
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EDITOR_END, Go to end of line
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EDITOR_B_DELETE, Delete last character
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EDITOR_F_DELETE, Delete next character
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EDITOR_B_KILL_WORD, Delete last word
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EDITOR_B_KILL_LINE, Delete everything up to BOL
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EDITOR_F_KILL_LINE, Delete everything up to EOL
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116
nncmpp.c
116
nncmpp.c
@ -2235,117 +2235,14 @@ app_goto_tab (int tab_index)
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// --- Actions -----------------------------------------------------------------
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#ifdef WITH_PULSE
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#define WITH_PULSE_01 1
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#else
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#define WITH_PULSE_01 0
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#endif
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// TODO: use the C preprocessor and a tool to generate this from nncmpp.actions
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#define ACTIONS(XX) \
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XX( 1, NONE, Do nothing ) \
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\
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XX( 1, QUIT, Quit ) \
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XX( 1, REDRAW, Redraw screen ) \
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XX( 1, TAB_HELP, Switch to help tab ) \
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XX( 1, TAB_LAST, Switch to last tab ) \
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XX( 1, TAB_PREVIOUS, Switch to previous tab ) \
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XX( 1, TAB_NEXT, Switch to next tab ) \
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\
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XX( 1, MPD_TOGGLE, Toggle play/pause ) \
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XX( 1, MPD_STOP, Stop playback ) \
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XX( 1, MPD_PREVIOUS, Previous song ) \
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XX( 1, MPD_NEXT, Next song ) \
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XX( 1, MPD_BACKWARD, Seek backwards ) \
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XX( 1, MPD_FORWARD, Seek forwards ) \
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XX( 1, MPD_VOLUME_UP, Increase volume ) \
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XX( 1, MPD_VOLUME_DOWN, Decrease volume ) \
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\
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XX( 1, MPD_SEARCH, Global search ) \
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XX( 1, MPD_ADD, Add selection to playlist ) \
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XX( 1, MPD_REPLACE, Replace playlist ) \
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XX( 1, MPD_REPEAT, Toggle repeat ) \
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XX( 1, MPD_RANDOM, Toggle random playback ) \
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XX( 1, MPD_SINGLE, Toggle single song playback ) \
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XX( 1, MPD_CONSUME, Toggle consume ) \
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XX( 1, MPD_UPDATE_DB, Update MPD database ) \
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XX( 1, MPD_COMMAND, Send raw command to MPD ) \
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\
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XX( WITH_PULSE_01, PULSE_VOLUME_UP, Increase PulseAudio volume ) \
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XX( WITH_PULSE_01, PULSE_VOLUME_DOWN, Decrease PulseAudio volume ) \
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XX( WITH_PULSE_01, PULSE_MUTE, Toggle mute of MPD PulseAudio sink ) \
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\
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XX( 1, CHOOSE, Choose item ) \
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XX( 1, DELETE, Delete item ) \
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XX( 1, UP, Go up a level ) \
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XX( 1, MULTISELECT, Toggle multiselect ) \
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\
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XX( 1, SCROLL_UP, Scroll up ) \
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XX( 1, SCROLL_DOWN, Scroll down ) \
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XX( 1, MOVE_UP, Move selection up ) \
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XX( 1, MOVE_DOWN, Move selection down ) \
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\
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XX( 1, GOTO_TOP, Go to top ) \
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XX( 1, GOTO_BOTTOM, Go to bottom ) \
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XX( 1, GOTO_ITEM_PREVIOUS, Go to previous item ) \
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XX( 1, GOTO_ITEM_NEXT, Go to next item ) \
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XX( 1, GOTO_PAGE_PREVIOUS, Go to previous page ) \
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XX( 1, GOTO_PAGE_NEXT, Go to next page ) \
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\
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XX( 1, GOTO_VIEW_TOP, Select top item ) \
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XX( 1, GOTO_VIEW_CENTER, Select center item ) \
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XX( 1, GOTO_VIEW_BOTTOM, Select bottom item ) \
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\
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XX( 1, EDITOR_CONFIRM, Confirm input ) \
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\
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XX( 1, EDITOR_B_CHAR, Go back a character ) \
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XX( 1, EDITOR_F_CHAR, Go forward a character ) \
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XX( 1, EDITOR_B_WORD, Go back a word ) \
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XX( 1, EDITOR_F_WORD, Go forward a word ) \
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XX( 1, EDITOR_HOME, Go to start of line ) \
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XX( 1, EDITOR_END, Go to end of line ) \
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\
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XX( 1, EDITOR_B_DELETE, Delete last character ) \
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XX( 1, EDITOR_F_DELETE, Delete next character ) \
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XX( 1, EDITOR_B_KILL_WORD, Delete last word ) \
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XX( 1, EDITOR_B_KILL_LINE, Delete everything up to BOL ) \
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XX( 1, EDITOR_F_KILL_LINE, Delete everything up to EOL )
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enum action
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{
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#define XX(usable, name, description) ACTION_ ## name,
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ACTIONS (XX)
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#undef XX
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ACTION_COUNT
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};
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static struct action_info
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{
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const char *name; ///< Name for user bindings
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const char *description; ///< Human-readable description
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bool usable; ///< Usable?
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}
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g_actions[] =
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{
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#define XX(usable, name, description) { #name, #description, usable },
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ACTIONS (XX)
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#undef XX
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};
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/// Accept a more human format of action-name instead of ACTION_NAME
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static int action_toupper (int c) { return c == '-' ? '_' : toupper_ascii (c); }
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#include "nncmpp-actions.h"
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static int
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action_resolve (const char *name)
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{
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const unsigned char *s = (const unsigned char *) name;
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for (int i = 0; i < ACTION_COUNT; i++)
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{
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const char *target = g_actions[i].name;
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for (size_t k = 0; action_toupper (s[k]) == target[k]; k++)
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if (!s[k] && !target[k])
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return i;
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}
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if (!strcasecmp_ascii (g_action_names[i], name))
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return i;
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return -1;
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}
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@ -3943,9 +3840,6 @@ help_tab_group (struct binding *keys, size_t len, struct strv *out,
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{
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for (enum action i = 0; i < ACTION_COUNT; i++)
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{
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if (!g_actions[i].usable)
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continue;
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struct strv ass = strv_make ();
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for (size_t k = 0; k < len; k++)
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if (keys[k].action == i)
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@ -3954,7 +3848,7 @@ help_tab_group (struct binding *keys, size_t len, struct strv *out,
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{
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char *joined = strv_join (&ass, ", ");
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strv_append_owned (out, xstrdup_printf
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(" %-30s %s", g_actions[i].description, joined));
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(" %-30s %s", g_action_descriptions[i], joined));
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free (joined);
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bound[i] = true;
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@ -3971,7 +3865,7 @@ help_tab_unbound (struct strv *out, bool bound[ACTION_COUNT])
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if (!bound[i])
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{
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strv_append_owned (out,
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xstrdup_printf (" %-30s", g_actions[i].description));
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xstrdup_printf (" %-30s", g_action_descriptions[i]));
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help_tab_assign_action (i);
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}
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}
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