Simple queries against JSON-like in-memory data structures.
Add this line to your application's Gemfile:
gem "json_query"And then execute:
$ bundle
Or install it yourself as:
$ gem install json_query
require "json_query"
data = {
"foo" => "bar",
"spam" => {
"eggs" => [
{"name" => "qui", "password" => "x"},
{"name" => "quo", "password" => "y"},
{"name" => "qua", "password" => "z"}
]
}
}
JsonQuery.perform(data: data, query: "oo")
# => [{:path=>"foo", :value=>"bar"}]
JsonQuery.perform(data: data, query: "foo")
# => [{:path=>"foo", :value=>"bar"}]
JsonQuery.perform(data: data, query: "sp.egg[nam=qui].pass")
# => [{:path=>"spam.eggs[0].password", :value=>"x"}]
JsonQuery.perform(data: data, query: "sp.egg[nam=qui]")
# => [{:path=>"spam.eggs[0]", :value=>:set}]
JsonQuery.perform(data: data, query: "sp.egg[nam=qui]", deep: true)
# => [{:path=>"spam.eggs[0]", :value=>{"name"=>"qui", "password"=>"x"}}]
JsonQuery.perform(data: data, query: "sp.eggs", deep: true)
# => [{:path=>"spam.eggs", :value=>[{"name"=>"qui", "password"=>"x"}, {"name"=>"quo", "password"=>"y"}, {"name"=>"qua", "password"=>"z"}]}]
JsonQuery.perform(data: data, query: "sp.egg[1].name")
# => [{:path=>"spam.eggs[1].name", :value=>"quo"}]
JsonQuery.perform(data: data, query: "sp.egg[name=qu&pass=x].name")
# => [{:path=>"spam.eggs[0].name", :value=>"qui"}]
JsonQuery.perform(data: data, query: "asd")
# => []After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/olistik/json_query. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
Made with <3 by olistik.
GNU Affero General Public License (AGPL) version 3
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