[#245] Convert helper into a module
Sorin Ionescu
12 years ago
parent
737d0e51ee
commit
e5e26eccff
@ -1,93 +0,0 @@
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#
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# Defines helper functions.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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# Checks a boolean variable for "true".
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# Case insensitive: "1", "y", "yes", "t", "true", "o", and "on".
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function is-true {
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[[ -n "$1" && "$1" == (1|[Yy]([Ee][Ss]|)|[Tt]([Rr][Uu][Ee]|)|[Oo]([Nn]|)) ]]
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}
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# Checks a name if it is a command, function, or alias.
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function is-callable {
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(( $+commands[$1] )) || (( $+functions[$1] )) || (( $+aliases[$1] ))
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}
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# Prints the first non-empty string in the arguments array.
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function coalesce {
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for arg in $argv; do
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print "$arg"
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return 0
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done
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return 1
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}
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# Checks if a file can be autoloaded by trying to load it in a subshell.
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function autoloadable {
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( unfunction $1 ; autoload -U +X $1 ) &> /dev/null
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}
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# Loads Prezto modules.
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function pmodload {
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local -a pmodules
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local pmodule
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local pfunction_glob='^([_.]*|prompt_*_setup|README*)(.N:t)'
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# $argv is overridden in the anonymous function.
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pmodules=("$argv[@]")
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# Add functions to $fpath.
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fpath=(${pmodules:+${ZDOTDIR:-$HOME}/.zprezto/modules/${^pmodules}/functions(/FN)} $fpath)
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function {
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local pfunction
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# Extended globbing is needed for listing autoloadable function directories.
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setopt LOCAL_OPTIONS EXTENDED_GLOB
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# Load Prezto functions.
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for pfunction in ${ZDOTDIR:-$HOME}/.zprezto/modules/${^pmodules}/functions/$~pfunction_glob; do
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autoload -Uz "$pfunction"
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done
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}
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# Load Prezto modules.
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for pmodule in "$pmodules[@]"; do
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if zstyle -t ":prezto:module:$pmodule" loaded; then
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continue
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elif [[ ! -d "${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule" ]]; then
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print "$0: no such module: $pmodule" >&2
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continue
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else
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if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule/init.zsh" ]]; then
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source "${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule/init.zsh"
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fi
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if (( $? == 0 )); then
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zstyle ":prezto:module:$pmodule" loaded 'yes'
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else
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# Remove the $fpath entry.
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fpath[(r)${ZDOTDIR:-$HOME}/.zprezto/modules/${pmodule}/functions]=()
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function {
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local pfunction
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# Extended globbing is needed for listing autoloadable function
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# directories.
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setopt LOCAL_OPTIONS EXTENDED_GLOB
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# Unload Prezto functions.
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for pfunction in ${ZDOTDIR:-$HOME}/.zprezto/modules/$pmodule/functions/$~pfunction_glob; do
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unfunction "$pfunction"
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done
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}
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zstyle ":prezto:module:$pmodule" loaded 'no'
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fi
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fi
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done
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}
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@ -0,0 +1,32 @@
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#
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# Defines helper functions.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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# Checks a boolean variable for "true".
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# Case insensitive: "1", "y", "yes", "t", "true", "o", and "on".
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function is-true {
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[[ -n "$1" && "$1" == (1|[Yy]([Ee][Ss]|)|[Tt]([Rr][Uu][Ee]|)|[Oo]([Nn]|)) ]]
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}
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# Checks a name if it is a command, function, or alias.
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function is-callable {
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(( $+commands[$1] )) || (( $+functions[$1] )) || (( $+aliases[$1] ))
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}
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# Prints the first non-empty string in the arguments array.
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function coalesce {
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for arg in $argv; do
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print "$arg"
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return 0
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done
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return 1
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}
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# Checks if a file can be autoloaded by trying to load it in a subshell.
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function autoloadable {
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( unfunction $1 ; autoload -U +X $1 ) &> /dev/null
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}
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