Class: Ktutils::ParseTemplate

Inherits:
Object
  • Object
show all
Defined in:
lib/ktutils/parse_template.rb

Instance Method Summary collapse

Constructor Details

#initialize(start_delim = '@', stop_delim = '@') ⇒ ParseTemplate

start_delim

Char(s) used to indicate start of replacement token. (default: @)

stop_delim

Char(s) used to indicate end of replacement token. (default: @)



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# File 'lib/ktutils/parse_template.rb', line 21

def initialize(start_delim='@', stop_delim='@')
  @start_delim = start_delim
  @stop_delim  = stop_delim
  @tokens     = {}
end

Instance Method Details

#add_token(key, val) ⇒ Object

Add a token that will be replaced. The key must be surrounded with ‘@’ (or the specified delimiters) in the template document

key

token to be replaced.

val

value to replace token with.



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# File 'lib/ktutils/parse_template.rb', line 31

def add_token(key, val)
  @tokens[key] = val
end

#parse(src, dest) ⇒ Object

Parse the src document and place the result at dest.

src

source document (template) to parse.

dest

destination path to resulting document.



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# File 'lib/ktutils/parse_template.rb', line 38

def parse(src, dest)
  return unless @tokens.size > 0

  File.open( src, "r" ) do |sf|
    File.open( dest, "w" ) do |df|
      sf.each do |sline|
        @tokens.each do |token, val|
          val = val.to_s unless (val.class == String)
          rtok = "#{@start_delim}#{token}#{@stop_delim}"
          sline.gsub!(rtok, val)
        end # each token

        df.write( sline )
      end # each src line
    end # Dest file open
  end # Src file open
end