Class: SNMP::Open::Parser

Inherits:
Object
  • Object
show all
Includes:
Constants
Defined in:
lib/snmp/open/parser.rb,
lib/snmp/open/parser/constants.rb,
lib/snmp/open/parser/value_parser.rb

Overview

convert SNMP command output into arrays

Defined Under Namespace

Modules: Constants, Static Classes: ValueParser

Constant Summary collapse

OID_RE = 
Regexp.union(/\S+-MIB::\S+/, /[0-9.]+/)
EMPTY_STRING_RE = 
/^(#{OID_RE})     # capture group 1: OID
  \s+=\s+
  (Opaque|STRING) # capture group 2: Type
  :\s*\n          # value is always empty string
/x.freeze
STRING_RE = 
/^(#{OID_RE})         # capture group 1: OID
  \s+=\s+
  (Opaque|STRING):\s+ # capture group 2: Type

  (                   # capture group 3: Value

   (?!")              # this pattern is for finding strings in need of
                      # quoting, so reject any strings that are already
                      # quoted

   [^\n]*             # first line of value

   (\n                # newline before each additional line of value
    (?!
     #{OID_RE}        # additional lines of value are identified by not
     \s+=\s+          # starting with "<OID> ="
    )
    [^\n]+            # additional lines of value
   )*
  )\n
/x.freeze

Constants included from Constants

Constants::NOMOREVARIABLES_STR, Constants::NOSUCHINSTANCE_STR, Constants::NOSUCHOBJECT_STR

Instance Method Summary collapse

Constructor Details

#initialize(oids) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/snmp/open/parser.rb', line 49

def initialize(oids)
  @oids = oids
end

Instance Method Details

#parse(texts) ⇒ Object 



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# File 'lib/snmp/open/parser.rb', line 53

def parse(texts)
  columns = texts.map do |text|
    clean = clean_input_text(text)
    tokenized = clean.shellsplit
    parse_tokens(tokenized)
  end

  table(columns)
end