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Versions: 15
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Stored size: 1.87 KB
Contents
module Aws
module Paging
class Pager
def initialize(rules)
if rules['more_results']
@more_results = underscore(rules['more_results'])
end
if rules['limit_key']
@limit_key = underscore(rules['limit_key']).to_sym
end
map_tokens(rules)
end
# @return [Symbol, nil]
attr_reader :limit_key
# @param [Seahorse::Client::Response] response
# @return [Hash]
def next_tokens(response)
@tokens.each.with_object({}) do |(source, target), next_tokens|
value = JMESPath.search(source, response.data)
next_tokens[target.to_sym] = value unless empty_value?(value)
end
end
# @api private
def prev_tokens(response)
@tokens.each.with_object({}) do |(_, target), tokens|
value = JMESPath.search(target, response.context.params)
tokens[target.to_sym] = value unless empty_value?(value)
end
end
# @param [Seahorse::Client::Response] response
# @return [Boolean]
def truncated?(response)
if @more_results
JMESPath.search(@more_results, response.data)
else
next_tokens = self.next_tokens(response)
prev_tokens = self.prev_tokens(response)
!(next_tokens.empty? || next_tokens == prev_tokens)
end
end
private
def map_tokens(rules)
input = Array(rules['input_token'])
output = Array(rules['output_token'])
@tokens = {}
input.each.with_index do |key, n|
@tokens[underscore(output[n])] = underscore(key)
end
end
def underscore(str)
str.
gsub(' or ', '||').
gsub(/\w+/) { |part| Seahorse::Util.underscore(part) }
end
def empty_value?(value)
value.nil? || value == '' || value == [] || value == {}
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems