Module: Bundler::YAMLSerializer
- Defined in:
- lib/bundler/yaml_serializer.rb
Overview
A stub yaml serializer that can handle only hashes and strings (as of now).
Constant Summary collapse
- ARRAY_REGEX =
/ ^ (?:[ ]*-[ ]) # '- ' before array items (['"]?) # optional opening quote (.*) # value \1 # matching closing quote $ /xo
- HASH_REGEX =
/ ^ ([ ]*) # indentations (.+) # key (?::(?=(?:\s|$))) # : (without the lookahead the #key includes this when : is present in value) [ ]? (['"]?) # optional opening quote (.*) # value \3 # matching closing quote $ /xo
Class Method Summary collapse
-
.convert_to_backward_compatible_key!(key) ⇒ Object
for settings’ keys.
- .dump(hash) ⇒ Object
- .dump_hash(hash) ⇒ Object
- .load(str) ⇒ Object
- .strip_comment(val) ⇒ Object
Class Method Details
.convert_to_backward_compatible_key!(key) ⇒ Object
for settings’ keys
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# File 'lib/bundler/yaml_serializer.rb', line 96 def convert_to_backward_compatible_key!(key) key << "/" if /https?:/i.match?(key) && !%r{/\Z}.match?(key) key.gsub!(".", "__") end |
.dump(hash) ⇒ Object
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# File 'lib/bundler/yaml_serializer.rb', line 8 def dump(hash) yaml = String.new("---") yaml << dump_hash(hash) end |
.dump_hash(hash) ⇒ Object
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# File 'lib/bundler/yaml_serializer.rb', line 13 def dump_hash(hash) yaml = String.new("\n") hash.each do |k, v| yaml << k << ":" if v.is_a?(Hash) yaml << dump_hash(v).gsub(/^(?!$)/, " ") # indent all non-empty lines elsif v.is_a?(Array) # Expected to be array of strings if v.empty? yaml << " []\n" else yaml << "\n- " << v.map {|s| s.to_s.gsub(/\s+/, " ").inspect }.join("\n- ") << "\n" end else yaml << " " << v.to_s.gsub(/\s+/, " ").inspect << "\n" end end yaml end |
.load(str) ⇒ Object
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# File 'lib/bundler/yaml_serializer.rb', line 53 def load(str) res = {} stack = [res] last_hash = nil last_empty_key = nil str.split(/\r?\n/) do |line| if match = HASH_REGEX.match(line) indent, key, quote, val = match.captures val = strip_comment(val) convert_to_backward_compatible_key!(key) depth = indent.size / 2 if quote.empty? && val.empty? new_hash = {} stack[depth][key] = new_hash stack[depth + 1] = new_hash last_empty_key = key last_hash = stack[depth] else val = [] if val == "[]" # empty array stack[depth][key] = val end elsif match = ARRAY_REGEX.match(line) _, val = match.captures val = strip_comment(val) last_hash[last_empty_key] = [] unless last_hash[last_empty_key].is_a?(Array) last_hash[last_empty_key].push(val) end end res end |
.strip_comment(val) ⇒ Object
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# File 'lib/bundler/yaml_serializer.rb', line 87 def strip_comment(val) if val.include?("#") && !val.start_with?("#") val.split("#", 2).first.strip else val end end |