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Contents
require "grok"
# A grok pile is an easy way to have multiple patterns together so
# that you can try to match against each one.
# The API provided should be similar to the normal Grok
# interface, but you can compile multiple patterns and match will
# try each one until a match is found.
class Grok
class Pile
def initialize
@groks = []
@patterns = {}
@pattern_files = []
end # def initialize
# see Grok#add_pattern
def add_pattern(name, string)
@patterns[name] = string
end # def add_pattern
# see Grok#add_patterns_from_file
def add_patterns_from_file(path)
if !File.exists?(path)
raise "File does not exist: #{path}"
end
@pattern_files << path
end # def add_patterns_from_file
# see Grok#compile
def compile(pattern)
grok = Grok.new
@patterns.each do |name, value|
grok.add_patterne(name, value)
end
@pattern_files.each do |path|
grok.add_patterns_from_file(path)
end
grok.compile(pattern)
@groks << grok
end # def compile
# Slight difference from Grok#match in that it returns
# the Grok instance that matched successfully in addition
# to the GrokMatch result.
# See also: Grok#match
def match(string)
@groks.each do |grok|
match = grok.match(string)
if match
return [grok, match]
end
end
return false
end # def match
end # class Pile
end # class Grok
Version data entries
6 entries across 6 versions & 1 rubygems