Sha256: 1631b17503c252e90f0816cab5c842f217230d90948be07bf0cc9fc4780a00be
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Size: 1.71 KB
Versions: 14
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Stored size: 1.71 KB
Contents
# Override Hash class with convience methods
class Hash
def self.transform_keys_to_symbols(value)
return value if not value.is_a?(Hash)
hash = value.inject({}){|memo,(k,v)| memo[k.to_sym] = Hash.transform_keys_to_symbols(v); memo}
return hash
end
# Take keys of hash and transform those to a symbols
def transform_keys_to_symbols
inject({}){|memo, (k, v)| memo[k.to_sym] = Hash.transform_keys_to_symbols(v); memo}
end
def find_all_values_for(key)
result = []
result << self[key]
self.values.each do |hash_value|
next if hash_value.is_a? Array
values = [hash_value]
values.each do |value|
result += value.find_all_values_for(key) if value.is_a? Hash
end
end
result.compact
end
# Value present in nested Hash.
def include_value?(value)
each_value do |v|
return true if v == value
next unless v.is_a? Hash
v.each_value do |v|
return true if v == value
next unless v.is_a? Hash
v.each_value do |v|
return true if v == value
end
end
end
false
end
# Whether key is present at least once
def include_key?(key)
result = find_all_values_for key
result != []
end
# Loop through each item within a key within a Hash if the key exists
# @param [Key] Key within hash to iterate through
def each_if_not_null(key)
case key.class.to_s
when 'String'
if self[key]
self[key].each do |list_item|
yield(list_item)
end
end
when 'Array', 'Hash'
if self[key[0]]
if self[key[0]][key[1]]
self[key[0]][key[1]].each do |list_item|
yield(list_item)
end
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems