Sha256: b14e0e35bd38c809ccb5f5dc50000e9c11544e6ab411a3b102c2e69950d9afa5
Contents?: true
Size: 1.44 KB
Versions: 13
Compression:
Stored size: 1.44 KB
Contents
class ResourceTokenizer
def self.split(resource)
tokenize(resource).map(&:last)
end
def self.tokenize(resource)
result = []
n = 0
pn = 0
state = :rt
until n >= resource.length
case state
when :rt
# looking for .
if resource[n] == "."
# reached the dot ..
result << [:rt, resource[pn...n]]
pn = n + 1
state = :rn
end
when :rn
# looking for [ or .
if resource[n] == "."
# reached the dot ..
result << [:rn, resource[pn...n]]
pn = n + 1
state = :rt
end
if resource[n] == "["
# reached the open bracket
result << [:rn, resource[pn...n]]
pn = n
state = :ri
end
if n == resource.length - 1
# last character .. close the current group
# the last thing should only ever be an index or a name
result << [:rn, resource[pn..n]]
pn = n
state = :done
end
when :ri
# looking for ]
if resource[n] == "]"
# reached the close bracket
result << [:ri, resource[pn..n]]
pn = n + 1
state = :rt
if resource[n + 1] == "."
pn = n + 2
n += 1
end
end
else
warn "unhandled state: #{state.inspect}"
end
# p resource[n]
n += 1
end
result
end
end
Version data entries
13 entries across 13 versions & 1 rubygems