jekyll/lib/jekyll/readers/dynamic/data_reader.rb

70 lines
1.8 KiB
Ruby

module Jekyll
class DataReader
attr_reader :site, :content
def initialize(site)
@site = site
@content = {}
end
# Read all the files in <source>/<dir>/_drafts and create a new Draft
# object with each one.
#
# dir - The String relative path of the directory to read.
#
# Returns nothing.
def read(dir)
base = site.in_source_dir(dir)
read_data_to(base, @content)
@content
end
# Read and parse all yaml files under <dir> and add them to the
# <data> variable.
#
# dir - The string absolute path of the directory to read.
# data - The variable to which data will be added.
#
# Returns nothing
def read_data_to(dir, data)
return unless File.directory?(dir) && (!site.safe || !File.symlink?(dir))
entries = Dir.chdir(dir) do
Dir['*.{yaml,yml,json,csv}'] + Dir['*'].select { |fn| File.directory?(fn) }
end
entries.each do |entry|
path = @site.in_source_dir(dir, entry)
next if File.symlink?(path) && site.safe
key = sanitize_filename(File.basename(entry, '.*'))
if File.directory?(path)
read_data_to(path, data[key] = {})
else
data[key] = read_data_file(path)
end
end
end
# Determines how to read a data file.
#
# Returns the contents of the data file.
def read_data_file(path)
case File.extname(path).downcase
when '.csv'
CSV.read(path, {
:headers => true,
:encoding => site.config['encoding']
}).map(&:to_hash)
else
SafeYAML.load_file(path)
end
end
def sanitize_filename(name)
name.gsub!(/[^\w\s-]+/, '')
name.gsub!(/(^|\b\s)\s+($|\s?\b)/, '\\1\\2')
name.gsub(/\s+/, '_')
end
end
end