jekyll/lib/jekyll/readers/data_reader.rb

70 lines
1.9 KiB
Ruby

module Jekyll
class DataReader
attr_reader :site, :content
def initialize(site)
@site = site
@content = {}
@entry_filter = EntryFilter.new(site)
end
# Read all the files in <dir> and adds them to @content
#
# dir - The String relative path of the directory to read.
#
# Returns @content, a Hash of the .yaml, .yml,
# .json, and .csv files in the base directory
def read(dir)
base = site.in_source_dir(dir)
read_data_to(base, @content)
@content
end
# Read and parse all .yaml, .yml, .json, and .csv
# 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) && !@entry_filter.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 @entry_filter.symlink?(path)
if File.directory?(path)
read_data_to(path, data[sanitize_filename(entry)] = {})
else
key = sanitize_filename(File.basename(entry, ".*"))
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!(%r![^\w\s-]+|(?<=^|\b\s)\s+(?=$|\s?\b)!, "".freeze)
name.gsub(%r!\s+!, "_")
end
end
end