Sha256: 9ac70388f758e4c38be7cf38af1bd5d7efc3c2fd5f8a627fc1496eb640a9bd39
Contents?: true
Size: 1.01 KB
Versions: 19
Compression:
Stored size: 1.01 KB
Contents
class Prawn::SVG::UrlLoader
Error = Class.new(StandardError)
attr_reader :enable_cache, :loaders
def initialize(enable_cache: false, enable_web: true, enable_file_with_root: nil)
@url_cache = {}
@enable_cache = enable_cache
@loaders = []
loaders << Prawn::SVG::Loaders::Data.new
loaders << Prawn::SVG::Loaders::Web.new if enable_web
loaders << Prawn::SVG::Loaders::File.new(enable_file_with_root) if enable_file_with_root
end
def load(url)
retrieve_from_cache(url) || perform_and_cache(url)
end
def add_to_cache(url, data)
@url_cache[url] = data
end
def retrieve_from_cache(url)
@url_cache[url]
end
private
def perform_and_cache(url)
data = perform(url)
add_to_cache(url, data) if enable_cache
data
end
def perform(url)
try_each_loader(url) or raise Error, "No handler available for this URL scheme"
end
def try_each_loader(url)
loaders.detect do |loader|
data = loader.from_url(url)
break data if data
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems