2e81ca2d30
Updated to Rails 2.2.2. Added a couple more Ruby 1.9 fixes, but that's pretty much at a standstill, until one gets Maruku and HTML5lib working right under Ruby 1.9.
73 lines
1.9 KiB
Ruby
73 lines
1.9 KiB
Ruby
module ActiveSupport
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module Cache
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# A cache store implementation which stores everything on the filesystem.
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class FileStore < Store
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attr_reader :cache_path
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def initialize(cache_path)
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@cache_path = cache_path
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end
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def read(name, options = nil)
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super
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File.open(real_file_path(name), 'rb') { |f| Marshal.load(f) } rescue nil
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end
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def write(name, value, options = nil)
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super
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ensure_cache_path(File.dirname(real_file_path(name)))
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File.atomic_write(real_file_path(name), cache_path) { |f| Marshal.dump(value, f) }
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value
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rescue => e
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logger.error "Couldn't create cache directory: #{name} (#{e.message})" if logger
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end
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def delete(name, options = nil)
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super
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File.delete(real_file_path(name))
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rescue SystemCallError => e
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# If there's no cache, then there's nothing to complain about
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end
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def delete_matched(matcher, options = nil)
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super
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search_dir(@cache_path) do |f|
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if f =~ matcher
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begin
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File.delete(f)
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rescue SystemCallError => e
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# If there's no cache, then there's nothing to complain about
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end
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end
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end
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end
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def exist?(name, options = nil)
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super
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File.exist?(real_file_path(name))
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end
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private
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def real_file_path(name)
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'%s/%s.cache' % [@cache_path, name.gsub('?', '.').gsub(':', '.')]
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end
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def ensure_cache_path(path)
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FileUtils.makedirs(path) unless File.exist?(path)
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end
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def search_dir(dir, &callback)
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Dir.foreach(dir) do |d|
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next if d == "." || d == ".."
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name = File.join(dir, d)
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if File.directory?(name)
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search_dir(name, &callback)
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else
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callback.call name
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end
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end
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end
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end
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end
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end
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