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87 lines
3.2 KiB
87 lines
3.2 KiB
# -*- mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# Copyright (c) 2018 Sebastian Gniazdowski
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#
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# Tracks scp command and emits message when one tries to pass port to hostspec.
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#
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# $1 - 0 or 1, denoting if it's first call to the chroma, or following one
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#
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# $2 - the current token, also accessible by $__arg from the above scope -
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# basically a private copy of $__arg; the token can be eg.: "grep"
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#
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# $3 - a private copy of $_start_pos, i.e. the position of the token in the
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# command line buffer, used to add region_highlight entry (see man),
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# because Zsh colorizes by *ranges* in command line buffer
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#
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# $4 - a private copy of $_end_pos from the above scope
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#
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(( next_word = 2 | 8192 ))
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local __first_call="$1" __wrd="$2" __start_pos="$3" __end_pos="$4"
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local __style __chars
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integer __idx1 __idx2
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local -a __results
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# First call, i.e. command starts, i.e. "grep" token etc.
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(( __first_call )) && {
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FAST_HIGHLIGHT[chroma-scp-counter]=0
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FAST_HIGHLIGHT[chroma-scp-counter-all]=1
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FAST_HIGHLIGHT[chroma-scp-message]=""
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FAST_HIGHLIGHT[chroma-scp-skip-two]=0
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return 1
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} || {
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(( FAST_HIGHLIGHT[chroma-scp-counter-all] += 1, __idx2 = FAST_HIGHLIGHT[chroma-scp-counter-all] ))
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# Following call, i.e. not the first one.
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# Check if chroma should end – test if token is of type
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# "starts new command", if so pass-through – chroma ends
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[[ "$__arg_type" = 3 ]] && return 2
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if (( in_redirection > 0 || this_word & 128 )) || [[ $__wrd == "<<<" ]]; then
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return 1
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fi
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if [[ "$__wrd" = -* ]]; then
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# Detected option, add style for it.
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[[ "$__wrd" = --* ]] && __style=${FAST_THEME_NAME}double-hyphen-option || \
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__style=${FAST_THEME_NAME}single-hyphen-option
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if [[ "$__wrd" = (-c|-F|-i|-l|-o|-P|-S) ]]; then
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FAST_HIGHLIGHT[chroma-scp-skip-two]=1
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fi
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else
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# Count non-option tokens.
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if (( FAST_HIGHLIGHT[chroma-scp-skip-two] )); then
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FAST_HIGHLIGHT[chroma-scp-skip-two]=0
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else
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(( FAST_HIGHLIGHT[chroma-scp-counter] += 1, __idx1 = FAST_HIGHLIGHT[chroma-scp-counter] ))
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if [[ "${FAST_HIGHLIGHT[chroma-scp-counter]}" -eq 1 ]]; then
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if [[ "$__arg" = [^:]##:[0-9]## ]]; then
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FAST_HIGHLIGHT[chroma-scp-message]+="Format of hostname incorrect, use -P to pass port number"
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else
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return 1
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fi
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else
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return 1
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fi
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fi
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fi
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if (( ${#${(z)BUFFER}} <= FAST_HIGHLIGHT[chroma-scp-counter-all] )); then
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[[ -n "${FAST_HIGHLIGHT[chroma-scp-message]}" ]] && zle -M "${FAST_HIGHLIGHT[chroma-scp-message]}"
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fi
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}
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# Add region_highlight entry (via `reply' array).
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#
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# This is a common place of adding such entry, but any above code
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# can do it itself and skip setting __style to disable this code.
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[[ -n "$__style" ]] && (( __start=__start_pos-${#PREBUFFER}, __end=__end_pos-${#PREBUFFER}, __start >= 0 )) && reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[$__style]}")
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# We aren't passing-through (no return 1 occured), do obligatory things ourselves.
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(( this_word = next_word ))
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_start_pos=$_end_pos
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return 0
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# vim:ft=zsh:et:sw=4
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