import model::model_views
import model::model_json
+import doc_down
import popcorn
+import popcorn::pop_config
+import popcorn::pop_repos
-# Specific nitcorn Action that uses a Model
-class ModelAction
- super Handler
+# Nitweb config file.
+class NitwebConfig
+ super AppConfig
+
+ redef fun default_db_name do return "nitweb"
# Model to use.
var model: Model
+ # MModule used to flatten model.
+ var mainmodule: MModule
+
+ # Modelbuilder used to access sources.
+ var modelbuilder: ModelBuilder
+
+ # The JSON API does not filter anything by default.
+ #
+ # So we can cache the model view.
+ var view: ModelView is lazy do
+ var view = new ModelView(model)
+ view.min_visibility = private_visibility
+ view.include_fictive = true
+ view.include_empty_doc = true
+ view.include_attribute = true
+ view.include_test_suite = true
+ return view
+ end
+end
+
+# Specific handler for the nitweb API.
+abstract class APIHandler
+ super Handler
+
+ # App config.
+ var config: NitwebConfig
+
# Find the MEntity ` with `full_name`.
fun find_mentity(model: ModelView, full_name: nullable String): nullable MEntity do
if full_name == null then return null
return model.mentity_by_full_name(full_name.from_percent_encoding)
end
- # Init the model view from the `req` uri parameters.
- fun init_model_view(req: HttpRequest): ModelView do
- var view = new ModelView(model)
- var show_private = req.bool_arg("private") or else false
- if not show_private then view.min_visibility = protected_visibility
+ # Try to load the mentity from uri with `/:id`.
+ #
+ # Send 400 if `:id` is null.
+ # Send 404 if no entity is found.
+ # Return null in both cases.
+ fun mentity_from_uri(req: HttpRequest, res: HttpResponse): nullable MEntity do
+ var id = req.param("id")
+ if id == null then
+ res.api_error(400, "Expected mentity full name")
+ return null
+ end
+ var mentity = find_mentity(config.view, id)
+ if mentity == null then
+ res.api_error(404, "MEntity `{id}` not found")
+ end
+ return mentity
+ end
+end
- view.include_fictive = req.bool_arg("fictive") or else false
- view.include_empty_doc = req.bool_arg("empty-doc") or else true
- view.include_test_suite = req.bool_arg("test-suite") or else false
- view.include_attribute = req.bool_arg("attributes") or else true
+# A Rooter dedicated to APIHandlers.
+class APIRouter
+ super Router
- return view
+ # App config
+ var config: NitwebConfig
+end
+
+redef class HttpResponse
+
+ # Return an HTTP error response with `status`
+ #
+ # Like the rest of the API, errors are formated as JSON:
+ # ~~~json
+ # { "status": 404, "message": "Not found" }
+ # ~~~
+ fun api_error(status: Int, message: String) do
+ json(new APIError(status, message), status)
+ end
+
+ # Write data as JSON and set the right content type header.
+ fun raw_json(json: nullable String, status: nullable Int) do
+ header["Content-Type"] = media_types["json"].as(not null)
+ if json == null then
+ send(null, status)
+ else
+ send(json, status)
+ end
end
end
-# A NitView is rendered by an action.
-interface NitView
- # Renders this view and returns something that can be written to a HTTP response.
- fun render: Writable is abstract
+# An error returned by the API.
+#
+# Can be serialized to json.
+class APIError
+ super Jsonable
+ serialize
+
+ # Reponse status
+ var status: Int
+
+ # Response error message
+ var message: String
end
-redef class HttpResponse
- # Render a NitView as response.
- fun send_view(view: NitView, status: nullable Int) do send(view.render, status)
+# Fullname representation that can be used to build decorated links
+#
+# * MPackage: `mpackage_name`
+# * MGroup: `(mpackage_name::)mgroup_name`
+class Namespace
+ super Array[nullable NSEntity]
+ super NSEntity
+ serialize
+
+ redef fun to_s do return self.join("")
+ redef fun serialize_to(v) do to_a.serialize_to(v)
end
-redef class HttpRequest
- # Does the client asked for a json formatted response?
- #
- # Checks the URL get parameter `?json=true`.
- fun is_json_asked: Bool do return bool_arg("json") or else false
+# Something that goes in a Namespace
+#
+# Can be either:
+# * a `NSToken` for tokens like `::`, `>` and `$`
+# * a `MSRef` for references to mentities
+interface NSEntity
+ super Jsonable
+end
+
+# A reference to a MEntity that can be rendered as a link.
+#
+# We do not reuse `MEntityRef` ref since NSRef can be found in a ref and create
+# an infinite loop.
+class NSRef
+ super NSEntity
+ serialize
+
+ # The mentity to link to/
+ var mentity: MEntity
+
+ redef fun core_serialize_to(v) do
+ v.serialize_attribute("web_url", mentity.web_url)
+ v.serialize_attribute("api_url", mentity.api_url)
+ v.serialize_attribute("name", mentity.name)
+ end
+end
+
+# A namespace token representation
+#
+# Used for namespace tokens like `::`, `>` and `$`
+redef class String
+ super NSEntity
+end
+
+redef class MEntity
+
+ # URL to `self` within the web interface.
+ fun web_url: String do return "/doc/" / full_name
+
+ # URL to `self` within the JSON api.
+ fun api_url: String do return "/api/entity/" / full_name
+
+ redef fun core_serialize_to(v) do
+ super
+ v.serialize_attribute("namespace", namespace)
+ v.serialize_attribute("web_url", web_url)
+ v.serialize_attribute("api_url", api_url)
+ end
+
+ # Return `self.full_name` as an object that can be serialized to json.
+ fun namespace: nullable Namespace do return null
+
+ # Return a new NSRef to `self`.
+ fun to_ns_ref: NSRef do return new NSRef(self)
+end
+
+redef class MEntityRef
+ redef fun core_serialize_to(v) do
+ super
+ v.serialize_attribute("namespace", mentity.namespace)
+ v.serialize_attribute("web_url", mentity.web_url)
+ v.serialize_attribute("api_url", mentity.api_url)
+ v.serialize_attribute("name", mentity.name)
+ v.serialize_attribute("mdoc", mentity.mdoc_or_fallback)
+ v.serialize_attribute("visibility", mentity.visibility.to_s)
+ v.serialize_attribute("modifiers", mentity.collect_modifiers)
+ var mentity = self.mentity
+ if mentity isa MMethod then
+ v.serialize_attribute("msignature", mentity.intro.msignature)
+ else if mentity isa MMethodDef then
+ v.serialize_attribute("msignature", mentity.msignature)
+ else if mentity isa MVirtualTypeProp then
+ v.serialize_attribute("bound", to_mentity_ref(mentity.intro.bound))
+ else if mentity isa MVirtualTypeDef then
+ v.serialize_attribute("bound", to_mentity_ref(mentity.bound))
+ end
+ v.serialize_attribute("location", mentity.location)
+ end
+end
+
+redef class MDoc
+
+ # Add doc down processing
+ redef fun core_serialize_to(v) do
+ v.serialize_attribute("html_synopsis", html_synopsis.write_to_string)
+ v.serialize_attribute("html_documentation", html_documentation.write_to_string)
+ end
+end
+
+redef class MPackage
+ redef fun namespace do return new Namespace.from([to_ns_ref])
+end
+
+redef class MGroup
+ redef fun namespace do
+ var p = parent
+ if p == null then
+ return new Namespace.from([to_ns_ref, ">": nullable NSEntity])
+ end
+ return new Namespace.from([p.namespace, to_ns_ref, ">": nullable NSEntity])
+ end
+end
+
+redef class MModule
+ redef fun namespace do
+ var mgroup = self.mgroup
+ if mgroup == null then
+ return new Namespace.from([to_ns_ref])
+ end
+ return new Namespace.from([mgroup.mpackage.to_ns_ref, "::", to_ns_ref: nullable NSEntity])
+ end
+
+ private fun ns_for(visibility: MVisibility): nullable Namespace do
+ if visibility <= private_visibility then return namespace
+ var mgroup = self.mgroup
+ if mgroup == null then return namespace
+ return mgroup.mpackage.namespace
+ end
+end
+
+redef class MClass
+ redef fun namespace do
+ return new Namespace.from([intro_mmodule.ns_for(visibility), "::", to_ns_ref: nullable NSEntity])
+ end
+end
+
+redef class MClassDef
+ redef fun namespace do
+ if is_intro then
+ return new Namespace.from([mmodule.ns_for(mclass.visibility), "$", to_ns_ref: nullable NSEntity])
+ else if mclass.intro_mmodule.mpackage != mmodule.mpackage then
+ return new Namespace.from([mmodule.namespace, "$", mclass.namespace: nullable NSEntity])
+ else if mclass.visibility > private_visibility then
+ return new Namespace.from([mmodule.namespace, "$", mclass.to_ns_ref: nullable NSEntity])
+ end
+ return new Namespace.from([mmodule.full_name, "$::", mclass.intro_mmodule.to_ns_ref: nullable NSEntity])
+ end
+end
+
+redef class MProperty
+ redef fun namespace do
+ if intro_mclassdef.is_intro then
+ return new Namespace.from([intro_mclassdef.mmodule.ns_for(visibility), "::", intro_mclassdef.mclass.to_ns_ref, "::", to_ns_ref: nullable NSEntity])
+ else
+ return new Namespace.from([intro_mclassdef.mmodule.namespace, "::", intro_mclassdef.mclass.to_ns_ref, "::", to_ns_ref: nullable NSEntity])
+ end
+ end
+end
+
+redef class MPropDef
+ redef fun namespace do
+ var res = new Namespace
+ res.add mclassdef.namespace
+ res.add "$"
+
+ if mclassdef.mclass == mproperty.intro_mclassdef.mclass then
+ res.add to_ns_ref
+ else
+ if mclassdef.mmodule.mpackage != mproperty.intro_mclassdef.mmodule.mpackage then
+ res.add mproperty.intro_mclassdef.mmodule.ns_for(mproperty.visibility)
+ res.add "::"
+ else if mproperty.visibility <= private_visibility then
+ if mclassdef.mmodule.namespace_for(mclassdef.mclass.visibility) != mproperty.intro_mclassdef.mmodule.mpackage then
+ res.add "::"
+ res.add mproperty.intro_mclassdef.mmodule.to_ns_ref
+ res.add "::"
+ end
+ end
+ if mclassdef.mclass != mproperty.intro_mclassdef.mclass then
+ res.add mproperty.intro_mclassdef.to_ns_ref
+ res.add "::"
+ end
+ res.add to_ns_ref
+ end
+ return res
+ end
+end
+
+redef class MClassType
+ redef var web_url = mclass.web_url is lazy
+end
+
+redef class MNullableType
+ redef var web_url = mtype.web_url is lazy
+end
+
+redef class MParameterType
+ redef var web_url = mclass.web_url is lazy
+end
+
+redef class MVirtualType
+ redef var web_url = mproperty.web_url is lazy
+end
+
+redef class POSetElement[E]
+ super Jsonable
+
+ redef fun serialize_to(v) do
+ assert self isa POSetElement[MEntity]
+ v.serialize_attribute("greaters", to_mentity_refs(greaters))
+ v.serialize_attribute("direct_greaters", to_mentity_refs(direct_greaters))
+ v.serialize_attribute("direct_smallers", to_mentity_refs(direct_smallers))
+ v.serialize_attribute("smallers", to_mentity_refs(smallers))
+ end
end