bookshelf-doc/DocGen4/Output/Module.lean

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/-
Copyright (c) 2021 Henrik Böving. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Henrik Böving
-/
import DocGen4.Output.Template
import DocGen4.Output.Inductive
import DocGen4.Output.Structure
import DocGen4.Output.Class
namespace DocGen4
namespace Output
open scoped DocGen4.Jsx
open Lean
def argToHtml (arg : Arg) : HtmlM Html := do
let (l, r, implicit) := match arg.binderInfo with
| BinderInfo.default => ("(", ")", false)
| BinderInfo.implicit => ("{", "}", true)
| BinderInfo.strictImplicit => ("⦃", "⦄", true)
| BinderInfo.instImplicit => ("[", "]", true)
-- TODO: Can this ever be reached here? What does it mean?
| BinderInfo.auxDecl => unreachable!
let mut nodes := #[Html.text s!"{l}{arg.name.toString} : "]
nodes := nodes.append (←infoFormatToHtml arg.type)
nodes := nodes.push r
let inner := Html.element "span" true #[("class", "fn")] nodes
let html := Html.element "span" false #[("class", "decl_args")] #[inner]
if implicit then
<span «class»="impl_arg">{html}</span>
else
html
def structureInfoHeader (s : StructureInfo) : HtmlM (Array Html) := do
let mut nodes := #[]
if s.parents.size > 0 then
nodes := nodes.push <span «class»="decl_extends">extends</span>
let mut parents := #[]
for parent in s.parents do
let link := <a «class»="break_within" href={←declNameToLink parent}>{parent.toString}</a>
let inner := Html.element "span" true #[("class", "fn")] #[link]
let html:= Html.element "span" false #[("class", "decl_parent")] #[inner]
parents := parents.push html
nodes := nodes.append (parents.toList.intersperse (Html.text ", ")).toArray
nodes
def docInfoHeader (doc : DocInfo) : HtmlM Html := do
let mut nodes := #[]
-- TODO: noncomputable, partial
-- TODO: Support all the kinds in CSS
nodes := nodes.push <span «class»="decl_kind">{doc.getKind}</span>
nodes := nodes.push
<span «class»="decl_name">
<a «class»="break_within" href={←declNameToLink doc.getName}>
-- TODO: HTMLify the name
{doc.getName.toString}
</a>
</span>
for arg in doc.getArgs do
nodes := nodes.push (←argToHtml arg)
-- TODO: dedup this
match doc with
| DocInfo.structureInfo i => nodes := nodes.append (←structureInfoHeader i)
| DocInfo.classInfo i => nodes := nodes.append (←structureInfoHeader i.toStructureInfo)
| _ => nodes := nodes
nodes := nodes.push <span «class»="decl_args">:</span>
nodes := nodes.push $ Html.element "div" true #[("class", "decl_type")] (←infoFormatToHtml doc.getType)
return <div «class»="decl_header"> [nodes] </div>
def docInfoToHtml (module : Name) (doc : DocInfo) : HtmlM Html := do
let doc_html ← match doc with
| DocInfo.inductiveInfo i => inductiveToHtml i
| DocInfo.structureInfo i => structureToHtml i
| DocInfo.classInfo i => classToHtml i
| _ => #[]
return <div «class»="decl" id={doc.getName.toString}>
<div «class»={doc.getKind}>
<div «class»="gh_link">
-- TODO: Put the proper source link
<a href={←getSourceUrl module doc.getDeclarationRange}>source</a>
</div>
-- TODO: Attributes
{←docInfoHeader doc}
[←doc_html]
</div>
</div>
def declarationToNavLink (module : Name) : Html :=
<div «class»="nav_link">
<a «class»="break_within" href={s!"#{module.toString}"}>{module.toString}</a>
</div>
-- TODO: Similar functions are used all over the place, we should dedup them
def moduleToNavLink (module : Name) : HtmlM Html := do
<a href={←moduleNameToLink module}>{module.toString}</a>
def getImports (module : Name) : HtmlM (Array Name) := do
let res ← getResult
let some idx ← res.moduleNames.findIdx? (. == module) | unreachable!
let adj := res.importAdj.get! idx
let mut imports := #[]
for i in [:adj.size] do
if adj.get! i then
imports := imports.push (res.moduleNames.get! i)
imports
def getImportedBy (module : Name) : HtmlM (Array Name) := do
let res ← getResult
let some idx ← res.moduleNames.findIdx? (. == module) | unreachable!
let adj := res.importAdj
let mut impBy := #[]
for i in [:adj.size] do
if adj.get! i |>.get! idx then
impBy := impBy.push (res.moduleNames.get! i)
impBy
def importedByHtml (moduleName : Name) : HtmlM (Array Html) := do
let imports := (←getImportedBy moduleName) |>.qsort Name.lt
imports.mapM (λ i => do <li>{←moduleToNavLink i}</li>)
def importsHtml (moduleName : Name) : HtmlM (Array Html) := do
let imports := (←getImports moduleName) |>.qsort Name.lt
imports.mapM (λ i => do <li>{←moduleToNavLink i}</li>)
def internalNav (members : Array Name) (moduleName : Name) : HtmlM Html := do
<nav «class»="internal_nav">
<h3><a «class»="break_within" href="#top">{moduleName.toString}</a></h3>
-- TODO: Proper source links
<p «class»="gh_nav_link"><a href={←getSourceUrl moduleName none}>source</a></p>
<div «class»="imports">
<details>
<summary>Imports</summary>
<ul>
[←importsHtml moduleName]
</ul>
</details>
<details>
<summary>Imported by</summary>
<ul>
[←importedByHtml moduleName]
</ul>
</details>
</div>
[members.map declarationToNavLink]
</nav>
def moduleToHtml (module : Module) : HtmlM Html := withReader (setCurrentName module.name) do
let docInfos ← module.members.mapM (λ i => docInfoToHtml module.name i)
templateExtends (baseHtmlArray module.name.toString) $ #[
←internalNav (module.members.map DocInfo.getName) module.name,
Html.element "main" false #[] docInfos
]
end Output
end DocGen4