Class: Pakyow::Support::StringBuilder

Inherits:
Object
  • Object
show all
Includes:
SafeStringHelpers
Defined in:
lib/pakyow/support/string_builder.rb

Overview

Builds a string from a template.

Constant Summary collapse

PATTERN = 
/{([^}]*)}/

Instance Method Summary collapse

Methods included from SafeStringHelpers

#ensure_html_safety, #html_escape, #html_safe, #html_safe?, #sanitize, #strip_tags

Constructor Details

#initialize(template, html_safe: false, &block) ⇒ StringBuilder

Returns a new instance of StringBuilder.



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# File 'lib/pakyow/support/string_builder.rb', line 14

def initialize(template, html_safe: false, &block)
  @template, @html_safe, @block = template.to_s, html_safe, block
end

Instance Method Details

#build(**values) ⇒ Object 



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# File 'lib/pakyow/support/string_builder.rb', line 18

def build(**values)
  @template.dup.tap do |working_template|
    working_template.scan(PATTERN).each do |match|
      value = if match[0].include?(".")
        object, property = match[0].split(".").map(&:to_sym)
        if object_value = get_value(object, values)
          ensure_real_value(object_value)[property]
        end
      else
        get_value(match[0].to_sym, values)
      end

      value = if @html_safe
        ensure_html_safety(value)
      else
        value.to_s
      end

      working_template.gsub!("{#{match[0]}}", value)
    end
  end
end