Sha256: 54644d099a8a17e58823a43d5ccc42c1adb50427d8c1a4c279917d9fe231751e
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Size: 1.25 KB
Versions: 21
Compression:
Stored size: 1.25 KB
Contents
# BaseTransmogrifier holds shared code for the transmogrifier classes
class BaseTransmogrifier
def self.inject_value(hash, key_grams, value, original_key)
# if we only have 1 gram, we can set the value
if key_grams.size == 1
# If the new value is nil, and the old value was a hash, it's because
# somebody didn't provide a full default value; ignore it.
unless value.nil? && hash[key_grams[0]].is_a?(Hash)
hash[key_grams[0]] = value
end
return
end
# if there's more than one gram, keep going
# Initialize a hash if we're going deeper than what's currently available;
# sometimes we want to override when the old value is nil (i.e. no default)
# but the new value is a hash.
hash[key_grams[0]] = {} if hash[key_grams[0]].nil?
# error out if we're trying to override
# an existing value that's not a hash
unless hash[key_grams[0]].is_a?(Hash)
raise NonHashValueOverride, \
"Refusing to override non-hash value #{hash[key_grams[0]].inspect} " \
"with #{value.inspect}: '#{key_grams.join('.')}'" \
" - Complete key: '#{original_key}'"
end
# keep going deeper
inject_value(hash[key_grams[0]], key_grams.drop(1), value, original_key)
end
end
Version data entries
21 entries across 21 versions & 1 rubygems