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|
(.using
[library
[lux (.except Module has)
[abstract
["[0]" equivalence (.only Equivalence)]
["[0]" monad (.only do)]]
[control
["<>" parser]
["[0]" maybe]
["[0]" try (.only Try)]
["[0]" exception (.only exception:)]
["[0]" function]]
[data
["[0]" product]
["[0]" binary (.only Binary)
["[0]" \\format (.only Writer)]
["<[1]>" \\parser (.only Parser)]]
["[0]" text (.only)
["%" \\format (.only format)]]
[collection
["[0]" list (.open: "[1]#[0]" functor mix)]
["[0]" dictionary (.only Dictionary)]
["[0]" set]
["[0]" sequence (.only Sequence)]]]
[math
[number
["n" nat (.open: "[1]#[0]" equivalence)]]]
[type
[primitive (.except)]]]]
[/
["[0]" artifact]
["[0]" registry (.only Registry)]
["[0]" signature (.only Signature)]
["[0]" key (.only Key)]
["[0]" module (.only Module)
["[0]" descriptor (.only Descriptor)]
["[0]" document (.only Document)]]
[///
[version (.only Version)]]])
(type: .public Output
(Sequence [artifact.ID (Maybe Text) Binary]))
(exception: .public (unknown_document [module descriptor.Module
known_modules (List descriptor.Module)])
(exception.report
"Module" (%.text module)
"Known Modules" (exception.listing %.text known_modules)))
(exception: .public (cannot_replace_document [module descriptor.Module
old (Document Any)
new (Document Any)])
(exception.report
"Module" (%.text module)
"Old key" (signature.description (document.signature old))
"New key" (signature.description (document.signature new))))
(with_template [<name>]
[(exception: .public (<name> [it descriptor.Module])
(exception.report
"Module" (%.text it)))]
[module_has_already_been_reserved]
[module_must_be_reserved_before_it_can_be_added]
[module_is_only_reserved]
)
(type: .public (Entry a)
(Record
[#module (Module a)
#output Output
#registry Registry]))
(primitive .public Archive
(Record
[#next module.ID
#resolver (Dictionary descriptor.Module [module.ID (Maybe (Entry Any))])])
(def next
(-> Archive module.ID)
(|>> representation (the #next)))
(def .public empty
Archive
(abstraction [#next 0
#resolver (dictionary.empty text.hash)]))
(def .public (id module archive)
(-> descriptor.Module Archive (Try module.ID))
(let [(open "/[0]") (representation archive)]
(case (dictionary.value module /#resolver)
{.#Some [id _]}
{try.#Success id}
{.#None}
(exception.except ..unknown_document [module
(dictionary.keys /#resolver)]))))
(def .public (reserve module archive)
(-> descriptor.Module Archive (Try [module.ID Archive]))
(let [(open "/[0]") (representation archive)]
(case (dictionary.value module /#resolver)
{.#Some _}
(exception.except ..module_has_already_been_reserved [module])
{.#None}
{try.#Success [/#next
(|> archive
representation
(revised #resolver (dictionary.has module [/#next (is (Maybe (Entry Any)) {.#None})]))
(revised #next ++)
abstraction)]})))
(def .public (has module entry archive)
(-> descriptor.Module (Entry Any) Archive (Try Archive))
(let [(open "/[0]") (representation archive)]
(case (dictionary.value module /#resolver)
{.#Some [id {.#None}]}
{try.#Success (|> archive
representation
(revised ..#resolver (dictionary.has module [id {.#Some entry}]))
abstraction)}
{.#Some [id {.#Some [existing_module existing_output existing_registry]}]}
(if (same? (the module.#document existing_module)
(the [#module module.#document] entry))
... TODO: Find out why this code allows for the same module to be added more than once. It looks fishy...
{try.#Success archive}
(exception.except ..cannot_replace_document [module (the module.#document existing_module) (the [#module module.#document] entry)]))
{.#None}
(exception.except ..module_must_be_reserved_before_it_can_be_added [module]))))
(def .public entries
(-> Archive (List [descriptor.Module [module.ID (Entry Any)]]))
(|>> representation
(the #resolver)
dictionary.entries
(list.all (function (_ [module [module_id entry]])
(at maybe.monad each (|>> [module_id] [module]) entry)))))
(def .public (find module archive)
(-> descriptor.Module Archive (Try (Entry Any)))
(let [(open "/[0]") (representation archive)]
(case (dictionary.value module /#resolver)
{.#Some [id {.#Some entry}]}
{try.#Success entry}
{.#Some [id {.#None}]}
(exception.except ..module_is_only_reserved [module])
{.#None}
(exception.except ..unknown_document [module (dictionary.keys /#resolver)]))))
(def .public (archived? archive module)
(-> Archive descriptor.Module Bit)
(case (..find module archive)
{try.#Success _}
true
{try.#Failure _}
false))
(def .public archived
(-> Archive (List descriptor.Module))
(|>> representation
(the #resolver)
dictionary.entries
(list.all (function (_ [module [id descriptor+document]])
(case descriptor+document
{.#Some _} {.#Some module}
{.#None} {.#None})))))
(def .public (reserved? archive module)
(-> Archive descriptor.Module Bit)
(let [(open "/[0]") (representation archive)]
(case (dictionary.value module /#resolver)
{.#Some [id _]}
true
{.#None}
false)))
(def .public reserved
(-> Archive (List descriptor.Module))
(|>> representation
(the #resolver)
dictionary.keys))
(def .public reservations
(-> Archive (List [descriptor.Module module.ID]))
(|>> representation
(the #resolver)
dictionary.entries
(list#each (function (_ [module [id _]])
[module id]))))
(def .public (composite additions archive)
(-> Archive Archive Archive)
(let [[+next +resolver] (representation additions)]
(|> archive
representation
(revised #next (n.max +next))
(revised #resolver (function (_ resolver)
(list#mix (function (_ [module [id entry]] resolver)
(case entry
{.#Some _}
(dictionary.has module [id entry] resolver)
{.#None}
resolver))
resolver
(dictionary.entries +resolver))))
abstraction)))
(type: Reservation
[descriptor.Module module.ID])
(type: Frozen
[Version module.ID (List Reservation)])
(def reader
(Parser ..Frozen)
(all <>.and
<binary>.nat
<binary>.nat
(<binary>.list (<>.and <binary>.text <binary>.nat))))
(def writer
(Writer ..Frozen)
(all \\format.and
\\format.nat
\\format.nat
(\\format.list (\\format.and \\format.text \\format.nat))))
(def .public (export version archive)
(-> Version Archive Binary)
(let [(open "/[0]") (representation archive)]
(|> /#resolver
dictionary.entries
(list.all (function (_ [module [id descriptor+document]])
(case descriptor+document
{.#Some _} {.#Some [module id]}
{.#None} {.#None})))
[version /#next]
(\\format.result ..writer))))
(exception: .public (version_mismatch [expected Version
actual Version])
(exception.report
"Expected" (%.nat expected)
"Actual" (%.nat actual)))
(def .public (import expected binary)
(-> Version Binary (Try Archive))
(do try.monad
[[actual next reservations] (<binary>.result ..reader binary)
_ (exception.assertion ..version_mismatch [expected actual]
(n#= expected actual))]
(in (abstraction
[#next next
#resolver (list#mix (function (_ [module id] archive)
(dictionary.has module [id (is (Maybe (Entry Any)) {.#None})] archive))
(the #resolver (representation ..empty))
reservations)]))))
)
|
