mirror of
git://git.code.sf.net/p/zsh/code
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86 lines
2.1 KiB
Plaintext
86 lines
2.1 KiB
Plaintext
#autoload
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# Usage:
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# _combination [-s SEP] VARIABLE KEYi=PATi KEYj=PATj ... KEYm=PATm KEY EXPL...
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#
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# VARIABLE must be formd as PREFIX_KEY1_..._KEYn.
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#
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# Example: telnet
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#
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# Assume an user sets the variable `telnet_hosts_ports_users' as:
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#
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# telnet_hosts_ports_users=(
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# host0:: host1::user1 host2::user2
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# mail-server:{smtp,pop3}:
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# news-server:nntp:
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# proxy-server:8000:
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# )
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#
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# `_telnet completes' hosts as:
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#
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# _combination telnet_hosts_ports_users \
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# ${options[-l]:+users=${options[-l]:q}} \
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# hosts "$expl[@]"
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#
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# This completes `host1', `host2', `mail-server', `news-server' and
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# `proxy-server' according to the user given with `-l' if it is exists.
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# And if it is failed, `_hosts' is called.
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#
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# `_telnet' completes ports as:
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#
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# _combination telnet_hosts_ports_users \
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# ${options[-l]:+users=${options[-l]:q}} \
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# hosts="${line[2]:q}" \
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# ports "$expl[@]"
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#
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# This completes `smtp', `pop3', `nntp' and `8000' according to the
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# host argument --- $line[2] and the user option argument if it is
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# exists. And if it is failed, `_ports' is called.
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#
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# `_telnet' completes users for an argument of option `-l' as:
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#
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# _combination telnet_hosts_ports_users \
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# ${line[2]:+hosts="${line[2]:q}"} \
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# ${line[3]:+ports="${line[3]:q}"} \
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# users "$expl[@]"
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#
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# This completes `user1' and `user2' according to the host argument and
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# the port argument if they are exist. And if it is failed, `_users' is
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# called.
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local sep var keys pats key tmp
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if [[ "$1" = -s ]]; then
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sep="$2"
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shift 2
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else
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sep=:
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fi
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var=$1
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shift
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keys=( "${(@s:_:)${var#*_}}" )
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pats=( "${(@)keys/*/*}" )
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while [[ "$1" = *=* ]]; do
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pats[$keys[(i)${1%%\=*}]]="${1#*\=}"
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shift
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done
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key="$1"
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shift
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if (( ${(P)+${var}} )); then
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eval "tmp=( \"\${(@M)${var}:#\${(j!$sep!)~pats}}\" )"
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if (( keys[(i)$key] != 1 )); then
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eval "tmp=( \${tmp#\${(j!${sep}!)~\${(@)\${(@)keys[2,(r)\$key]}/*/*}}$sep} )"
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fi
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tmp=( ${tmp%%$sep*} )
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compadd "$@" - $tmp || { builtin functions _$key >&- && _$key "$@" }
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else
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builtin functions _$key >&- && _$key "$@"
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fi
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