Module: TraceVisualization::Mapping

Defined in:
lib/trace_visualization/mapping.rb

Defined Under Namespace

Classes: Item

Constant Summary collapse

PATTERNS = 
{

  "id" => [
    /(?<value>\[\d{3,}\])/
  ],

  "ip" => [
    /(?<value>(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))/
  ],

  "time" => [
    /(?<value>\[\d{2} [a-zA-Z]{3} \d{4} \d{2}\:\d{2}\:\d{2}\])/
  ]

}

Class Method Summary collapse

Class Method Details

.match(str, type, pattern, map, ppos, itemByPos) ⇒ Object 



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# File 'lib/trace_visualization/mapping.rb', line 97

def self.match(str, type, pattern, map, ppos, itemByPos)
  pos = 0
  
  limit = 1000
  
  while (m = pattern.match(str, pos))
    value = m[:value]
    pos = m.begin(0)
    ppos << pos
  
    map[value] = Item.new(value, type) unless map[value]
    itemByPos[pos] = map[value]
    
    pos += value.size
  end
  
end

.parse(str) ⇒ Object 



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# File 'lib/trace_visualization/mapping.rb', line 64

def self.parse(str)
  map = {}
  ppos = []
  itemByPos = {}

  PATTERNS.each do |type, patterns|
    patterns.each do |pattern|
      match(str, type, pattern, map, ppos, itemByPos)
    end
  end

  i, j = 0, 0
  result = []

  ppos.sort!

  while i < str.size
    if i == ppos[j]
      item = itemByPos[ppos[j]]
      result << item
      i += item.length
      j += 1
    else
      result << Item.new(str[i], "char")
      i += 1
    end        
  end
  
  TraceVisualization::Reorder.process(result)
  
  result
end

.restore(array) ⇒ Object 



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# File 'lib/trace_visualization/mapping.rb', line 115

def self.restore(array)
  array.inject("") { |res, c| res += c.to_str }
end