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Contents
module Ramaze
class Reloader
class WatchStat
def initialize
# @files[file_path] = stat
@files = {}
@last = Time.now
end
def call(cooldown)
if cooldown and Time.now > @last + cooldown
yield
@last = Time.now
end
end
# start watching a file for changes
# true if succeeded, false if failure
def watch(file)
return true if watching?(file) # if already watching
if stat = safe_stat(file)
@files[file] = stat
end
end
def watching?(file)
@files.has_key?(file)
end
# stop watching a file for changes
def remove_watch(file)
@files.delete(file)
end
# no need for cleanup
def close
end
# return files changed since last call
def changed_files
@files.each do |file, stat|
if new_stat = safe_stat(file)
if new_stat.mtime > stat.mtime
@files[file] = new_stat
yield(file)
end
end
end
end
def safe_stat(file)
File.stat(file)
rescue Errno::ENOENT, Errno::ENOTDIR
nil
end
end
end
end
Version data entries
38 entries across 38 versions & 5 rubygems