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authorMarvin Borner2019-03-05 01:09:01 +0100
committerMarvin Borner2019-03-05 01:09:01 +0100
commit55457187d18221e76bd12f0fb2cfab65c49b92fb (patch)
tree8db042d2d80710d54100c2709ad4332153ac848a /.oh-my-zsh/lib/functions.zsh
Initial commit
Diffstat (limited to '.oh-my-zsh/lib/functions.zsh')
-rw-r--r--.oh-my-zsh/lib/functions.zsh229
1 files changed, 229 insertions, 0 deletions
diff --git a/.oh-my-zsh/lib/functions.zsh b/.oh-my-zsh/lib/functions.zsh
new file mode 100644
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+++ b/.oh-my-zsh/lib/functions.zsh
@@ -0,0 +1,229 @@
+function zsh_stats() {
+ fc -l 1 | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n20
+}
+
+function uninstall_oh_my_zsh() {
+ env ZSH=$ZSH sh $ZSH/tools/uninstall.sh
+}
+
+function upgrade_oh_my_zsh() {
+ env ZSH=$ZSH sh $ZSH/tools/upgrade.sh
+}
+
+function take() {
+ mkdir -p $@ && cd ${@:$#}
+}
+
+function open_command() {
+ local open_cmd
+
+ # define the open command
+ case "$OSTYPE" in
+ darwin*) open_cmd='open' ;;
+ cygwin*) open_cmd='cygstart' ;;
+ linux*) ! [[ $(uname -a) =~ "Microsoft" ]] && open_cmd='xdg-open' || {
+ open_cmd='cmd.exe /c start ""'
+ [[ -e "$1" ]] && { 1="$(wslpath -w "${1:a}")" || return 1 }
+ } ;;
+ msys*) open_cmd='start ""' ;;
+ *) echo "Platform $OSTYPE not supported"
+ return 1
+ ;;
+ esac
+
+ # don't use nohup on OSX
+ if [[ "$OSTYPE" == darwin* ]]; then
+ ${=open_cmd} "$@" &>/dev/null
+ else
+ nohup ${=open_cmd} "$@" &>/dev/null
+ fi
+}
+
+#
+# Get the value of an alias.
+#
+# Arguments:
+# 1. alias - The alias to get its value from
+# STDOUT:
+# The value of alias $1 (if it has one).
+# Return value:
+# 0 if the alias was found,
+# 1 if it does not exist
+#
+function alias_value() {
+ (( $+aliases[$1] )) && echo $aliases[$1]
+}
+
+#
+# Try to get the value of an alias,
+# otherwise return the input.
+#
+# Arguments:
+# 1. alias - The alias to get its value from
+# STDOUT:
+# The value of alias $1, or $1 if there is no alias $1.
+# Return value:
+# Always 0
+#
+function try_alias_value() {
+ alias_value "$1" || echo "$1"
+}
+
+#
+# Set variable "$1" to default value "$2" if "$1" is not yet defined.
+#
+# Arguments:
+# 1. name - The variable to set
+# 2. val - The default value
+# Return value:
+# 0 if the variable exists, 3 if it was set
+#
+function default() {
+ test `typeset +m "$1"` && return 0
+ typeset -g "$1"="$2" && return 3
+}
+
+#
+# Set environment variable "$1" to default value "$2" if "$1" is not yet defined.
+#
+# Arguments:
+# 1. name - The env variable to set
+# 2. val - The default value
+# Return value:
+# 0 if the env variable exists, 3 if it was set
+#
+function env_default() {
+ env | grep -q "^$1=" && return 0
+ export "$1=$2" && return 3
+}
+
+
+# Required for $langinfo
+zmodload zsh/langinfo
+
+# URL-encode a string
+#
+# Encodes a string using RFC 2396 URL-encoding (%-escaped).
+# See: https://www.ietf.org/rfc/rfc2396.txt
+#
+# By default, reserved characters and unreserved "mark" characters are
+# not escaped by this function. This allows the common usage of passing
+# an entire URL in, and encoding just special characters in it, with
+# the expectation that reserved and mark characters are used appropriately.
+# The -r and -m options turn on escaping of the reserved and mark characters,
+# respectively, which allows arbitrary strings to be fully escaped for
+# embedding inside URLs, where reserved characters might be misinterpreted.
+#
+# Prints the encoded string on stdout.
+# Returns nonzero if encoding failed.
+#
+# Usage:
+# omz_urlencode [-r] [-m] [-P] <string>
+#
+# -r causes reserved characters (;/?:@&=+$,) to be escaped
+#
+# -m causes "mark" characters (_.!~*''()-) to be escaped
+#
+# -P causes spaces to be encoded as '%20' instead of '+'
+function omz_urlencode() {
+ emulate -L zsh
+ zparseopts -D -E -a opts r m P
+
+ local in_str=$1
+ local url_str=""
+ local spaces_as_plus
+ if [[ -z $opts[(r)-P] ]]; then spaces_as_plus=1; fi
+ local str="$in_str"
+
+ # URLs must use UTF-8 encoding; convert str to UTF-8 if required
+ local encoding=$langinfo[CODESET]
+ local safe_encodings
+ safe_encodings=(UTF-8 utf8 US-ASCII)
+ if [[ -z ${safe_encodings[(r)$encoding]} ]]; then
+ str=$(echo -E "$str" | iconv -f $encoding -t UTF-8)
+ if [[ $? != 0 ]]; then
+ echo "Error converting string from $encoding to UTF-8" >&2
+ return 1
+ fi
+ fi
+
+ # Use LC_CTYPE=C to process text byte-by-byte
+ local i byte ord LC_ALL=C
+ export LC_ALL
+ local reserved=';/?:@&=+$,'
+ local mark='_.!~*''()-'
+ local dont_escape="[A-Za-z0-9"
+ if [[ -z $opts[(r)-r] ]]; then
+ dont_escape+=$reserved
+ fi
+ # $mark must be last because of the "-"
+ if [[ -z $opts[(r)-m] ]]; then
+ dont_escape+=$mark
+ fi
+ dont_escape+="]"
+
+ # Implemented to use a single printf call and avoid subshells in the loop,
+ # for performance (primarily on Windows).
+ local url_str=""
+ for (( i = 1; i <= ${#str}; ++i )); do
+ byte="$str[i]"
+ if [[ "$byte" =~ "$dont_escape" ]]; then
+ url_str+="$byte"
+ else
+ if [[ "$byte" == " " && -n $spaces_as_plus ]]; then
+ url_str+="+"
+ else
+ ord=$(( [##16] #byte ))
+ url_str+="%$ord"
+ fi
+ fi
+ done
+ echo -E "$url_str"
+}
+
+# URL-decode a string
+#
+# Decodes a RFC 2396 URL-encoded (%-escaped) string.
+# This decodes the '+' and '%' escapes in the input string, and leaves
+# other characters unchanged. Does not enforce that the input is a
+# valid URL-encoded string. This is a convenience to allow callers to
+# pass in a full URL or similar strings and decode them for human
+# presentation.
+#
+# Outputs the encoded string on stdout.
+# Returns nonzero if encoding failed.
+#
+# Usage:
+# omz_urldecode <urlstring> - prints decoded string followed by a newline
+function omz_urldecode {
+ emulate -L zsh
+ local encoded_url=$1
+
+ # Work bytewise, since URLs escape UTF-8 octets
+ local caller_encoding=$langinfo[CODESET]
+ local LC_ALL=C
+ export LC_ALL
+
+ # Change + back to ' '
+ local tmp=${encoded_url:gs/+/ /}
+ # Protect other escapes to pass through the printf unchanged
+ tmp=${tmp:gs/\\/\\\\/}
+ # Handle %-escapes by turning them into `\xXX` printf escapes
+ tmp=${tmp:gs/%/\\x/}
+ local decoded
+ eval "decoded=\$'$tmp'"
+
+ # Now we have a UTF-8 encoded string in the variable. We need to re-encode
+ # it if caller is in a non-UTF-8 locale.
+ local safe_encodings
+ safe_encodings=(UTF-8 utf8 US-ASCII)
+ if [[ -z ${safe_encodings[(r)$caller_encoding]} ]]; then
+ decoded=$(echo -E "$decoded" | iconv -f UTF-8 -t $caller_encoding)
+ if [[ $? != 0 ]]; then
+ echo "Error converting string from UTF-8 to $caller_encoding" >&2
+ return 1
+ fi
+ fi
+
+ echo -E "$decoded"
+}