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# System clipboard integration
#
# This file has support for doing system clipboard copy and paste operations
# from the command line in a generic cross-platform fashion.
#
# On OS X and Windows, the main system clipboard or "pasteboard" is used. On other
# Unix-like OSes, this considers the X Windows CLIPBOARD selection to be the
# "system clipboard", and the X Windows `xclip` command must be installed.
# clipcopy - Copy data to clipboard
#
# Usage:
#
# <command> | clipcopy - copies stdin to clipboard
#
# clipcopy <file> - copies a file's contents to clipboard
#
#
##
#
# clippaste - "Paste" data from clipboard to stdout
#
# Usage:
#
# clippaste - writes clipboard's contents to stdout
#
# clippaste | <command> - pastes contents and pipes it to another process
#
# clippaste > <file> - paste contents to a file
#
# Examples:
#
# # Pipe to another process
# clippaste | grep foo
#
# # Paste to a file
# clippaste > file.txt
#
function detect-clipboard() {
emulate -L zsh
if [[ $OSTYPE == darwin* ]]; then
function clipcopy() { pbcopy < "${1:-/dev/stdin}"; }
function clippaste() { pbpaste; }
elif [[ $OSTYPE == cygwin* ]]; then
function clipcopy() { cat "${1:-/dev/stdin}" > /dev/clipboard; }
function clippaste() { cat /dev/clipboard; }
elif (( $+commands[xclip] )); then
function clipcopy() { xclip -in -selection clipboard < "${1:-/dev/stdin}"; }
function clippaste() { xclip -out -selection clipboard; }
elif (( $+commands[xsel] )); then
function clipcopy() { xsel --clipboard --input < "${1:-/dev/stdin}"; }
function clippaste() { xsel --clipboard --output; }
else
function _retry_clipboard_detection_or_fail() {
local clipcmd="${1}"; shift
if detect-clipboard; then
"${clipcmd}" "$@"
else
print "${clipcmd}: Platform $OSTYPE not supported or xclip/xsel not installed" >&2
return 1
fi
}
function clipcopy() { _retry_clipboard_detection_or_fail clipcopy "$@"; }
function cilppaste() { _retry_clipboard_detection_or_fail clippaste "$@"; }
return 1
fi
}
# Detect at startup. A non-zero exit here indicates that the dummy clipboards were set,
# which is not really an error. If the user calls them, they will attempt to redetect
# (for example, perhaps the user has now installed xclip) and then either print an error
# or proceed successfully.
detect-clipboard || true
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