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.
This commit is contained in:
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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