mirror of
git://git.code.sf.net/p/zsh/code
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504 lines
14 KiB
Text
504 lines
14 KiB
Text
# Initialisation for new style completion. This mainly contains some helper
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# functions and aliases. Everything else is split into different files that
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# will automatically be made autoloaded (see the end of this file).
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# The names of the files that will be considered for autoloading have to
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# start with an underscores (like `_setopt').
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# The first line of these files will be read and has to say what should be
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# done with its contents:
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#
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# `#compdef <names ...>'
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# If the first line looks like this, the file is autoloaded as a
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# function and that function will be called to generate the matches
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# when completing for one of the commands whose <names> are given.
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#
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# `#compdef -p <pattern>'
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# This defines a function that should be called to generate matches
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# for commands whose name matches <pattern>. Note that only one pattern
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# may be given.
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#
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# `#compdef -k <style> [ <key-sequence> ... ]'
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# This is used to bind special completions to all the given
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# <key-sequence>(s). The <style> is the name of one of the built-in
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# completion widgets (complete-word, delete-char-or-list,
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# expand-or-complete, expand-or-complete-prefix, list-choices,
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# menu-complete, menu-expand-or-complete, or reverse-menu-complete).
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# This creates a widget behaving like <style> so that the
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# completions are chosen as given in the the rest of the file,
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# rather than by the context. The widget has the same name as
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# the autoload file and can be bound using bindkey in the normal way.
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#
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# `#compdef -K <widget-name> <style> <key-sequence> [ ... ]'
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# This is similar to -k, except it takes any number of sets of
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# three arguments. In each set, the widget <widget-name> will
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# be defined, which will behave as <style>, as with -k, and will
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# be bound to <key-sequence>, exactly one of which must be defined.
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# <widget-name> must be different for each: this must begin with an
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# underscore, else one will be added, and should not clash with other
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# completion widgets (names based on the name of the function are the
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# clearest), but is otherwise arbitrary. It can be tested in the
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# function by the parameter $WIDGET.
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#
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# `#autoload [ <options> ]'
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# This is for helper functions that are not used to
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# generate matches, but should automatically be loaded
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# when they are called. The <options> will be given to the
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# autoload builtin when making the function autoloaded. Note
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# that this need not include `-U'.
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#
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# Note that no white space is allowed between the `#' and the rest of
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# the string.
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#
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# Functions that are used to generate matches should return zero if they
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# were able to add matches and non-zero otherwise.
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#
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# See the file `compdump' for how to speed up initialisation.
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# If we got the `-d'-flag, we will automatically dump the new state (at
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# the end). This takes the dumpfile as an argument. -d (with the
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# default dumpfile) is now the default; to turn off dumping use -D.
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emulate -L zsh
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setopt extendedglob
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typeset _i_dumpfile _i_files _i_line _i_done _i_dir _i_autodump=1
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typeset _i_tag _i_file _i_addfiles
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while [[ $# -gt 0 && $1 = -[dDf] ]]; do
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if [[ "$1" = -d ]]; then
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_i_autodump=1
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shift
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if [[ $# -gt 0 && "$1" != -[df] ]]; then
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_i_dumpfile="$1"
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shift
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fi
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elif [[ "$1" = -D ]]; then
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_i_autodump=0
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shift
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elif [[ "$1" = -f ]]; then
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# Not used any more; use _compdir
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shift
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shift
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fi
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done
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# The associative array containing the definitions for the commands.
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# Definitions for patterns will be stored in the associations `_patcomps'
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# and `_postpatcomps'. `_compautos' contains the names and options
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# for autoloaded functions that get options.
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typeset -gA _comps _patcomps _postpatcomps _compautos
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# The associative array use to report information about the last
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# cmpletion to the outside.
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typeset -gA _lastcomp
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# Remember dumpfile.
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if [[ -n $_i_dumpfile ]]; then
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# Explicitly supplied dumpfile.
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_comp_dumpfile="$_i_dumpfile"
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else
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_comp_dumpfile="${ZDOTDIR:-$HOME}/.zcompdump"
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fi
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# These can hold names of functions that are to be called before/after all
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# matches have been generated.
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compprefuncs=()
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comppostfuncs=()
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# Loading it now ensures that the `funcstack' parameter is always correct.
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: $funcstack
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# This function is used to register or delete completion functions. For
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# registering completion functions, it is invoked with the name of the
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# function as it's first argument (after the options). The other
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# arguments depend on what type of completion function is defined. If
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# none of the `-p' and `-k' options is given a function for a command is
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# defined. The arguments after the function name are then interpreted as
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# the names of the command for which the function generates matches.
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# With the `-p' option a function for a name pattern is defined. This
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# function will be invoked when completing for a command whose name
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# matches the pattern given as argument after the function name (in this
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# case only one argument is accepted).
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# The option `-P' is like `-p', but the function will be called after
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# trying to find a function defined for the command on the line if no
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# such function could be found.
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# With the `-k' option a function for a special completion keys is
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# defined and immediatly bound to those keys. Here, the extra arguments
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# are the name of one of the builtin completion widgets and any number
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# of key specifications as accepted by the `bindkey' builtin.
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# In any case the `-a' option may be given which makes the function
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# whose name is given as the first argument be autoloaded. When defining
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# a function for command names the `-n' option may be given and keeps
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# the definitions from overriding any previous definitions for the
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# commands; with `-k', the `-n' option prevents compdef from rebinding
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# a key sequence which is already bound.
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# For deleting definitions, the `-d' option must be given. Without the
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# `-p' option, this deletes definitions for functions for the commands
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# whose names are given as arguments. If combined with the `-p' option
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# it deletes the definitions for the patterns given as argument.
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# The `-d' option may not be combined with the `-k' option, i.e.
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# definitions for key function can not be removed.
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#
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# Examples:
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#
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# compdef -a foo bar baz
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# make the completion for the commands `bar' and `baz' use the
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# function `foo' and make this function be autoloaded
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#
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# compdef -p foo 'c*'
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# make completion for all command whose name begins with a `c'
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# generate matches by calling the function `foo' before generating
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# matches defined for the command itself
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#
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# compdef -k foo list-choices '^X^M' '\C-xm'
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# make the function `foo' be invoked when typing `Control-X Control-M'
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# or `Control-X m'; the function should generate matches and will
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# behave like the `list-choices' builtin widget
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#
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# compdef -d bar baz
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# delete the definitions for the command names `bar' and `baz'
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compdef() {
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local opt autol type func delete new i
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# Get the options.
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if [[ $#* -eq 0 ]]; then
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echo "compdef needs parameters"
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return 1
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fi
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while getopts "anpPkKd" opt; do
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case "$opt" in
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a) autol=yes;;
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n) new=yes;;
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[pPkK]) if [[ -n "$type" ]]; then
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# Error if both `-p' and `-k' are given (or one of them
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# twice).
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echo "$0: type already set to $type"
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return 1
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fi
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if [[ "$opt" = p ]]; then
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type=pattern
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elif [[ "$opt" = P ]]; then
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type=postpattern
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elif [[ "$opt" = K ]]; then
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type=widgetkey
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else
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type=key
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fi
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;;
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d) delete=yes;;
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esac
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done
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shift OPTIND-1
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if [[ $#* -eq 0 ]]; then
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echo "compdef needs parameters"
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return 1
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fi
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if [[ -z "$delete" ]]; then
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# Adding definitions, first get the name of the function name
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# and probably do autoloading.
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func="$1"
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[[ -n "$autol" ]] && autoload -U "$func"
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shift
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case "$type" in
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pattern)
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if [[ $# -gt 1 ]]; then
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echo "$0: only one pattern allowed"
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return 1
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fi
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_patcomps[$1]="$func"
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;;
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postpattern)
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if [[ $# -gt 1 ]]; then
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echo "$0: only one pattern allowed"
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return 1
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fi
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_postpatcomps[$1]="$func"
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;;
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widgetkey)
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while [[ -n $1 ]]; do
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if [[ $# -lt 3 ]]; then
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echo "$0: compdef -K requires <widget> <comp-widget> <key>"
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return 1
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fi
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[[ $1 = _* ]] || 1="_$1"
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[[ $2 = .* ]] || 2=".$2"
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zle -C "$1" "$2" "$func"
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if [[ -n $new ]]; then
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bindkey "$3" | read -A opt
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[[ $opt[-1] = undefined-key ]] && bindkey "$3" "$1"
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else
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bindkey "$3" "$1"
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fi
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shift 3
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done
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;;
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key)
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if [[ $# -lt 2 ]]; then
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echo "$0: missing keys"
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return 1
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fi
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# Define the widget.
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if [[ $1 = .* ]]; then
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zle -C "$func" "$1" "$func"
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else
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zle -C "$func" ".$1" "$func"
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fi
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shift
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# And bind the keys...
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for i; do
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if [[ -n $new ]]; then
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bindkey "$i" | read -A opt
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[[ $opt[-1] = undefined-key ]] || continue
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fi
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bindkey "$i" "$func"
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done
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;;
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*)
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# For commands store the function name in the `_comps'
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# associative array, command names as keys.
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if [[ -z "$new" ]]; then
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for i; do
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_comps[$i]="$func"
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done
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else
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for i; do
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[[ "${+_comps[$i]}" -eq 0 ]] && _comps[$i]="$func"
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done
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fi
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;;
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esac
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else
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# Handle the `-d' option, deleting.
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case "$type" in
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pattern)
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unset "_patcomps[$^@]"
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;;
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postpattern)
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unset "_postpatcomps[$^@]"
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;;
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key)
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# Oops, cannot do that yet.
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echo "$0: cannot restore key bindings"
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return 1
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;;
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*)
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unset "_comps[$^@]"
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esac
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fi
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}
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# Do *not* use this...
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compconf() {
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local style name val i tmp cmt
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if [[ -z "$_compconf_warn" ]]; then
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_compconf_warn=yep
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print "
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Hello
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\`compconf' will be removed in the near future, we now use a more
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general (and powerful) mechanism using the \`zstyle' builtin. An
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approximation to your old setup using \`zstyle' should be available
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in the file:
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\`${HOME}/.zsh-styles'
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Note that the values for the styles may be partly incorrect. Please
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read the manual to find out how to configure the completion system
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with styles.
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Have fun
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Sven
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" 1>&2
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command rm -f ${HOME}/.zsh-styles
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fi
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for i; do
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name="${i%%\=*}"
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val="${i#*\=}"
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tmp=''
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cmt=''
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case "$name" in
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urls_path)
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tmp="'*:urls' path ${(qq)val}"
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;;
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urls_localhttp)
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tmp="'*:urls' local ${${(qqs.:.)val}}"
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;;
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describe_options)
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tmp="'*:options' verbose 'yes'"
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;;
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describe_values)
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tmp="'*:values' verbose 'yes'"
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;;
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autodescribe_options)
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tmp="'*:options' auto-description ${(qq)val}"
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;;
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description_format)
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tmp="'*:descriptions' format ${(qq)val}"
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;;
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message_format)
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tmp="'*:messages' format ${(qq)val}"
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;;
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warning_format)
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tmp="'*:warnings' format ${(qq)val}"
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;;
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option_prefix)
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tmp="'*:options' prefix-needed yes"
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[[ "$val" = hide* ]] &&
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tmp="$tmp
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zstyle ':completion:*:options' prefix-hidden yes"
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;;
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group_matches)
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tmp="'*' group-name ''"
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;;
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colors_path)
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tmp="'*:colors' path ${(qq)val}"
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;;
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path_expand)
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tmp="'*:paths' expand ${(qq)val}"
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;;
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path_cursor)
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tmp="'*:paths' cursor ${(qq)val}"
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;;
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(approximate|incremental|predict|list|oldlist|match)_*)
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tmp="'*${name%%_*}:*' ${${name#*_}//_/-} ${(qq)val}"
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;;
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correct_*)
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cmt="# This one is a bit ugly. You may want to use only \`*:correct'
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# if you also have the \`correctword_*' or \`approximate_*' keys.
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"
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tmp="'*(correct(|-word)|approximate):*' ${name#*_} ${(qq)val}"
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;;
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correctword_*)
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tmp="'*:correct-word' ${name#correctword_} ${(qq)val}"
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;;
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expand_*)
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cmt="# This one is a bit ugly. You may want to use only \`*:expand'
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# if you also have the \`expandword_*' keys.
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"
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tmp="'*expand(|expand-word):*' ${name#*_} ${(qq)val}"
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;;
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expandword_*)
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tmp="'expand-word:*' ${name#expandword_} ${(qq)val}"
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;;
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history_*)
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tmp="'history-words:*' ${name#history_} ${(qq)val}"
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;;
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completer)
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tmp="'*' completer ${${(qqs.:.)val}}"
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;;
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last_prompt)
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tmp="'*' last-prompt 'yes'"
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;;
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esac
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[[ -n "$tmp" ]] && style="${style}${cmt}zstyle :completion:${tmp}
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"
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done
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eval "${style}"
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print "$style" >>! ${HOME}/.zsh-styles
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}
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# Now we automatically make the definition files autoloaded.
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typeset -U _i_files
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_i_files=( ${^~fpath:/.}/^([^_]*|*~|*.zwc)(N:t) )
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if [[ $#_i_files -lt 20 || $_compdir = */Core || -d $_compdir/Core ]]; then
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# Too few files: we need some more directories,
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# or we need to check that all directories (not just Core) are present.
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if [[ -n $_compdir ]]; then
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_i_addfiles=()
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if [[ $_compdir = */Core ]]; then
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# Add all the Completion subdirectories
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_i_addfiles=(${_compdir:h}/*(/))
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elif [[ -d $_compdir/Core ]]; then
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# Likewise
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_i_addfiles=(${_compdir}/*(/))
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fi
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for _i_line in {1..$#i_addfiles}; do
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_i_file=${_i_addfiles[$_i_line]}
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[[ -d $_i_file && -z ${fpath[(r)$_i_file]} ]] ||
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_i_addfiles[$_i_line]=
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done
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fpath=($fpath $_i_addfiles)
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_i_files=( ${^~fpath:/.}/^([^_]*|*~|*.zwc)(N:t) )
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fi
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fi
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# Rebind the standard widgets
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for _i_line in complete-word delete-char-or-list expand-or-complete \
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expand-or-complete-prefix list-choices menu-complete \
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menu-expand-or-complete reverse-menu-complete; do
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zle -C $_i_line .$_i_line _main_complete
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done
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zle -la menu-select && zle -C menu-select .menu-select _main_complete
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_i_done=''
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# Make sure compdump is available, even if we aren't going to use it.
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autoload -U compdump compinstall
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# If we have a dump file, load it.
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if [[ -f "$_comp_dumpfile" ]]; then
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read -rA _i_line < "$_comp_dumpfile"
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if [[ _i_autodump -eq 1 && $_i_line[2] -eq $#_i_files ]]; then
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builtin . "$_comp_dumpfile"
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_i_done=yes
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fi
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fi
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if [[ -z "$_i_done" ]]; then
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for _i_dir in $fpath; do
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[[ $_i_dir = . ]] && continue
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for _i_file in $_i_dir/^([^_]*|*~|*.zwc)(N); do
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read -rA _i_line < $_i_file
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_i_tag=$_i_line[1]
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shift _i_line
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case $_i_tag in
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(\#compdef)
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if [[ $_i_line[1] = -[pPkK](n|) ]]; then
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compdef ${_i_line[1]}na "${_i_file:t}" "${(@)_i_line[2,-1]}"
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else
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compdef -na "${_i_file:t}" "${_i_line[@]}"
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fi
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;;
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(\#autoload)
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autoload -U "$_i_line[@]" ${_i_file:t}
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[[ "$_i_line" != \ # ]] && _compautos[${_i_file:t}]="$_i_line"
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;;
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esac
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done
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done
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# If autodumping was requested, do it now.
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if [[ $_i_autodump = 1 ]]; then
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compdump
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fi
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fi
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unfunction compinit
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autoload -U compinit
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