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Diffstat (limited to 'Completion/Unix/Type/_baudrate')
| -rw-r--r-- | Completion/Unix/Type/_baudrate | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Completion/Unix/Type/_baudrate b/Completion/Unix/Type/_baudrate new file mode 100644 index 000000000..c16928444 --- /dev/null +++ b/Completion/Unix/Type/_baudrate @@ -0,0 +1,84 @@ +#autoload + +# Offer a list of baud-rates. Usage: +# +# _baudrate [OPTION(s)...] +# +# Available options: +# +# -u LIMIT Upper limit. LIMIT is the maximum value the offered list +# will contain, if the complete list includes LIMIT exactly. +# +# -l LIMIT Lower limit. Like -u but for the lower boundary. +# +# -f FUNCTION If given FUNCION is used as a predicate to filter the +# value in the complete list to generate an arbitrary +# sub-set. +# +# -t TAG Use TAG as the tag value in _wanted call. +# +# -d DESC Use DESC as the description value in _wanted call. +# +# The default complete list of available baud rates is also configurable via +# the 'baud-rates' style: +# +# zstyle ':completion:*' baud-rates 23 42 666 +# +# It is also possible to override the arguments to -f, -u and -l via styles in +# a similar fashion: +# +# zstyle ':completion:*:*:screen:*' max-baud-rate 9600 +# zstyle ':completion:*:*:screen:*' min-baud-rate 1200 +# zstyle ':completion:*:*:screen:*' baud-rate-filter some_function_name + +local -A opts +local expl tag desc tmp +local -a rates + +zparseopts -E -A opts u: l: f: d: t: + +# The following uses a generated list; first find out where the B* macros are +# defined: +# +# grep -r B115200 /usr/include +# +# Then generate the actual list: +# +# sed -ne '/^[ \t]*#define[ \t]*B[0-9][0-9]*/s,^.*B\([0-9][0-9]*\).*,\1,p' \ +# < /usr/include/asm-generic/termbits.h +# +# This one was generated on a Debian Stretch system, leaving out the "0" rate, +# which is synonymous to "hang-up". + +zstyle -a ":completion:${curcontext}:" baud-rates rates || + rates=( 50 75 110 134 150 200 300 600 + 1200 1800 2400 4800 9600 + 19200 38400 57600 + 115200 230400 460800 500000 576000 921600 + 1000000 1152000 1500000 2000000 2500000 3000000 3500000 4000000 ) + +zstyle -s ":completion:${curcontext}:" max-baud-rate tmp && opts[-u]=$tmp +zstyle -s ":completion:${curcontext}:" min-baud-rate tmp && opts[-l]=$tmp +zstyle -s ":completion:${curcontext}:" baud-rate-filter tmp && opts[-f]=$tmp + +if (( ${+opts[-u]} )) || (( ${+opts[-l]} )); then + local -i min max + min=${opts[-l]:-0} + max=${opts[-u]:-${${(On)rates}[1]}} + rates=( ${(M)rates:#${~:-<$min-$max>}} ) +fi + +if (( ${+opts[-f]} )); then + set -- $rates + rates=( ) + for item; do + ${opts[-f]} $item && rates+=( $item ) + done +fi + +tag=${opts[-t]:-baud-rate} +desc=${opts[-d]:-baud rate} + +# -1V removes dupes (which there shouldn't be) and otherwise leaves the +# order in the $rates array intact. +_wanted -1V $tag expl $desc compadd -a $expl -- rates |