Class: CaseyJones::ActiveRecord::StringReader

Inherits:
Object
  • Object
show all
Defined in:
lib/casey_jones/string_reader.rb

Constant Summary collapse

KEY_SYMPTOM = 
"*"
POSS_SYMPTOM = 
"-"
START_COMMENT = 
"{"
ONE_LINE_COMMENT = 
"/"
END_COMMENT = 
"}"
NEWLINE = 
"\n"
DELIM = 
[START_COMMENT, NEWLINE, ONE_LINE_COMMENT, END_COMMENT]
MULTI_LINE = 
:multi_line
ONE_LINE = 
:one_line
NAME = 
:name
COMMENT = 
[MULTI_LINE, ONE_LINE]

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.decorate_symptom(obj) ⇒ Object 



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# File 'lib/casey_jones/string_reader.rb', line 107

def self.decorate_symptom(obj)
  decorator = ""
  decorator = KEY_SYMPTOM if obj.key_symptom
  decorator = POSS_SYMPTOM if obj.maybe
  "#{decorator}#{obj.symptom_name}"
end

.parse_symptom(obj, symptom) ⇒ Object 



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# File 'lib/casey_jones/string_reader.rb', line 95

def self.parse_symptom(obj, symptom)
  if symptom.index(KEY_SYMPTOM) == 0
    obj.key_symptom = true
    obj.symptom_name = symptom[KEY_SYMPTOM.length..symptom.length]
  elsif symptom.index(POSS_SYMPTOM) == 0
    obj.maybe = true
    obj.symptom_name = symptom[POSS_SYMPTOM.length..symptom.length]
  else
    obj.symptom_name = symptom
  end
end

Instance Method Details

#read_items(str, &block) ⇒ Object 



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# File 'lib/casey_jones/string_reader.rb', line 45

def read_items(str, &block)
  @items = []
  buffer = ""
  @item = ""
  @comment = nil
  state = NAME

  str.chars.each do |char|
    if (char == "/") && (state != MULTI_LINE)
      @item = buffer.strip
      buffer = ""
      state = ONE_LINE
    elsif char == "{"
      @item = buffer.strip
      buffer = ""
      state = MULTI_LINE
    elsif char == "}"
      @comment = buffer.strip unless buffer.strip.empty?
      buffer = ""
      save(block)
      state = NAME
    elsif char == "\n"
      if state == NAME
        @item = buffer.strip
        buffer = ""
        save(block)
      elsif state == ONE_LINE
        @comment = buffer.strip
        state = NAME
        buffer = ""
        save(block)
      else
        buffer << char
      end
    else
      buffer << char
    end
  end

  if state == ONE_LINE
    @comment = buffer
  elsif state == MULTI_LINE
    @comment = buffer
  else
    @item = buffer
  end
  save(block)
  @items
end

#save(block) ⇒ Object 



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# File 'lib/casey_jones/string_reader.rb', line 22

def save(block)
  unless @item.strip.empty?
    @items << block.call(@item.strip, @comment.nil? ? nil : @comment.strip)
  end
  @item = ""
  @comment = nil
end

#write_items(coll, &block) ⇒ Object 



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# File 'lib/casey_jones/string_reader.rb', line 30

def write_items(coll, &block)
  lines = []
  coll.each do |obj|
    item, comment = block.call(obj)
    if comment.nil? || comment.empty?
      lines << item
    elsif comment.index("/") || comment.index("\n")
      lines << "#{item} {#{comment}}"
    else
      lines << "#{item} / #{comment}"
    end
  end
  lines.join("\n")
end