Sha256: 87479e32ad630ecdab3ce03c80e94f153067a04f542959d5adcec0fc78acba68
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Size: 1.97 KB
Versions: 7
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Stored size: 1.97 KB
Contents
# frozen_string_literal: true
module Scribo
class Preamble
DEFAULTS = {
external_encoding: Encoding.default_external
}.freeze
attr_accessor :metadata, :content
def initialize(metadata, content)
@metadata = metadata
@content = content
end
def metadata_with_content
@metadata.to_yaml + "---\n" + @content
end
def dump
metadata_with_content
end
def save(path, options = {})
options = DEFAULTS.merge(options)
File.open(path, "w:#{options[:external_encoding]}") do |f|
f.write metadata_with_content
end
end
def self.parse(data)
preamble_lines = +''
content_lines = +''
state = :before_preamble
f = StringIO.new(data)
f.each do |line|
stripped = line.strip
case state
when :before_preamble
new_state = case stripped
when '---'
:preamble
when ''
:before_preamble
else
content_lines << line
:after_preamble
end
when :preamble
new_state = case stripped
when '---'
:after_preamble
else
preamble_lines << line
:preamble
end
when :after_preamble
new_state = :after_preamble
content_lines << line
else
raise "Invalid State: #{state}"
end
state = new_state
end
new(Scribo::Utility.yaml_safe_parse(preamble_lines), content_lines)
end
def self.load(path, options = {})
f = File.open(path, "r:#{options[:external_encoding]}")
parse(f.read)
end
def self.load_multiple(*paths)
options = paths.last.is_a?(Hash) ? paths.pop : {}
paths.map { |path| Preamble.load(path, options) }
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems