Sha256: 1df928c3dc36099f4bbf402525173d0df8460f732d996b8df75bf38c0516564a
Contents?: true
Size: 1.51 KB
Versions: 7
Compression:
Stored size: 1.51 KB
Contents
require 'httpimagestore/ruby_string_template'
require 'digest/sha2'
module Configuration
class PathNotDefinedError < ConfigurationError
def initialize(path_name)
super "path '#{path_name}' not defined"
end
end
class PathRenderingError < ConfigurationError
def initialize(path_name, template, message)
super "cannot generate path '#{path_name}' from template '#{template}': #{message}"
end
end
class NoValueForPathTemplatePlaceholerError < PathRenderingError
def initialize(path_name, template, placeholder)
super path_name, template, "no value for '\#{#{placeholder}}'"
end
end
class Path < RubyStringTemplate
def self.match(node)
node.name == 'path'
end
def self.pre(configuration)
configuration.paths ||= Hash.new{|hash, path_name| raise PathNotDefinedError.new(path_name)}
end
def self.parse(configuration, node)
nodes = []
nodes << node unless node.values.empty?
nodes |= node.children
nodes.empty? and raise NoValueError.new(node, 'path name')
nodes.each do |node|
path_name, template = *node.grab_values('path name', 'path template')
configuration.paths[path_name] = Path.new(path_name, template)
end
end
def initialize(path_name, template)
super(template) do |locals, name|
begin
locals[name]
rescue ConfigurationError => error
raise PathRenderingError.new(path_name, template, error.message)
end or raise NoValueForPathTemplatePlaceholerError.new(path_name, template, name)
end
end
end
Global.register_node_parser Path
end
Version data entries
7 entries across 7 versions & 1 rubygems