Sha256: a6355b4528abcfb0cb921472d2a3030a791534609f3709e8d8cac2f4077ae5a5
Contents?: true
Size: 1.52 KB
Versions: 106
Compression:
Stored size: 1.52 KB
Contents
class String
# Splits text into tokens the way a shell would, handling quoted
# text as a single token. Use '\"' and "\'" to escape quotes and
# '\\' to escape a backslash.
#
# @return [Array] an array representing the tokens
def shell_split
out = [""]
state = :none
escape_next = false
quote = ""
strip.split(//).each do |char|
case state
when :none, :space
case char
when /\s/
out << "" unless state == :space
state = :space
escape_next = false
when "\\"
if escape_next
out.last << char
escape_next = false
else
escape_next = true
end
when '"', "'"
if escape_next
out.last << char
escape_next = false
else
state = char
quote = ""
end
else
state = :none
out.last << char
escape_next = false
end
when '"', "'"
case char
when '"', "'"
if escape_next
quote << char
escape_next = false
elsif char == state
out.last << quote
state = :none
else
quote << char
end
when '\\'
if escape_next
quote << char
escape_next = false
else
escape_next = true
end
else
quote << char
escape_next = false
end
end
end
out
end
end
Version data entries
106 entries across 86 versions & 10 rubygems