Class: FluentExt::TextParser
- Inherits:
-
Object
- Object
- FluentExt::TextParser
show all
- Defined in:
- lib/fluent/plugin/fixed_parser.rb
Defined Under Namespace
Classes: ApacheParser, CSVParser, GenericParser, JSONParser, LabeledTSVParser, RegexpParser, TSVParser, ValuesParser
Constant Summary
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- TEMPLATE_FACTORIES =
{
'apache' => Proc.new { RegexpParser.new(/^(?<host>[^ ]*) [^ ]* (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^ ]*) +\S*)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")?$/, {'time_format'=>"%d/%b/%Y:%H:%M:%S %z"}) },
'apache2' => Proc.new { ApacheParser.new },
'nginx' => Proc.new { RegexpParser.new(/^(?<remote>[^ ]*) (?<host>[^ ]*) (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^ ]*) +\S*)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")?$/, {'time_format'=>"%d/%b/%Y:%H:%M:%S %z"}) },
'syslog' => Proc.new { RegexpParser.new(/^(?<time>[^ ]*\s*[^ ]* [^ ]*) (?<host>[^ ]*) (?<ident>[a-zA-Z0-9_\/\.\-]*)(?:\[(?<pid>[0-9]+)\])?[^\:]*\: *(?<message>.*)$/, {'time_format'=>"%b %d %H:%M:%S"}) },
'json' => Proc.new { JSONParser.new },
'csv' => Proc.new { CSVParser.new },
'tsv' => Proc.new { TSVParser.new },
'ltsv' => Proc.new { LabeledTSVParser.new },
}
Class Method Summary
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Instance Method Summary
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Constructor Details
Returns a new instance of TextParser.
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# File 'lib/fluent/plugin/fixed_parser.rb', line 212
def initialize
@parser = nil
end
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Class Method Details
.register_template(name, regexp_or_proc, time_format = nil) ⇒ Object
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# File 'lib/fluent/plugin/fixed_parser.rb', line 201
def self.register_template(name, regexp_or_proc, time_format=nil)
factory = if regexp_or_proc.is_a?(Regexp)
regexp = regexp_or_proc
Proc.new { RegexpParser.new(regexp, {'time_format'=>time_format}) }
else
Proc.new { proc }
end
TEMPLATE_FACTORIES[name] = factory
end
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Instance Method Details
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# File 'lib/fluent/plugin/fixed_parser.rb', line 216
def configure(conf, required=true)
format = conf['format']
if format == nil
if required
raise Fluent::ConfigError, "'format' parameter is required"
else
return nil
end
end
if format[0] == ?/ && format[format.length-1] == ?/
begin
regexp = Regexp.new(format[1..-2])
if regexp.named_captures.empty?
raise "No named captures"
end
rescue
raise Fluent::ConfigError, "Invalid regexp '#{format[1..-2]}': #{$!}"
end
@parser = RegexpParser.new(regexp)
else
factory = TEMPLATE_FACTORIES[format]
unless factory
raise Fluent::ConfigError, "Unknown format template '#{format}'"
end
@parser = factory.call
end
if @parser.respond_to?(:configure)
@parser.configure(conf)
end
return true
end
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#parse(text) ⇒ Object
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# File 'lib/fluent/plugin/fixed_parser.rb', line 256
def parse(text)
return @parser.call(text)
end
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