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
import DocGen4.Output.Definition
import DocGen4.Output.Instance
import DocGen4.Output.ClassInductive
import DocGen4.Output.DocString
import DocGen4.Process
import Lean.Data.Xml.Parser
namespace DocGen4
namespace Output
open scoped DocGen4.Jsx
open Lean Process
/--
Render an `Arg` as HTML, adding opacity effects etc. depending on what
type of binder it has.
-/
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 := <span class="fn">[nodes]</span>
let html := Html.element "span" false #[("class", "decl_args")] #[inner]
if implicit then
pure <span class="impl_arg">{html}</span>
else
pure html
/--
Render the structures this structure extends from as HTML so it can be
added to the top level.
-/
def structureInfoHeader (s : Process.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 ← declNameToHtmlBreakWithinLink parent
let inner := <span class="fn">{link}</span>
let html:= Html.element "span" false #[("class", "decl_parent")] #[inner]
parents := parents.push html
nodes := nodes.append (parents.toList.intersperse (Html.text ", ")).toArray
pure nodes
/--
Render the general header of a declaration containing its declaration type
and name.
-/
def docInfoHeader (doc : DocInfo) : HtmlM Html := do
let mut nodes := #[]
nodes := nodes.push $ Html.element "span" false #[("class", "decl_kind")] #[doc.getKindDescription]
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)
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 <div class="decl_type">[←infoFormatToHtml doc.getType]</div>
pure <div class="decl_header"> [nodes] </div>
/--
The main entry point for rendering a single declaration inside a given module.
-/
def docInfoToHtml (module : Name) (doc : DocInfo) : HtmlM Html := do
-- basic info like headers, types, structure fields, etc.
let docInfoHtml ← match doc with
| DocInfo.inductiveInfo i => inductiveToHtml i
| DocInfo.structureInfo i => structureToHtml i
| DocInfo.classInfo i => classToHtml i
| DocInfo.classInductiveInfo i => classInductiveToHtml i
| i => pure #[]
-- rendered doc stirng
let docStringHtml ← match doc.getDocString with
| some s => docStringToHtml s
| none => pure #[]
-- extra information like equations and instances
let extraInfoHtml ← match doc with
| DocInfo.classInfo i => pure #[←classInstancesToHtml i.instances]
| DocInfo.definitionInfo i => equationsToHtml i
| DocInfo.instanceInfo i => equationsToHtml i
| DocInfo.classInductiveInfo i => pure #[←classInstancesToHtml i.instances]
| i => pure #[]
let attrs := doc.getAttrs
let attrsHtml :=
if attrs.size > 0 then
let attrStr := "@[" ++ String.intercalate ", " doc.getAttrs.toList ++ "]"
#[Html.element "div" false #[("class", "attributes")] #[attrStr]]
else
#[]
let leanInkHtml :=
if ←leanInkEnabled? then
#[
<div class="ink_link">
<a href={←declNameToInkLink doc.getName}>ink</a>
</div>
]
else
#[]
pure
<div class="decl" id={doc.getName.toString}>
<div class={doc.getKind}>
<div class="gh_link">
<a href={←getSourceUrl module doc.getDeclarationRange}>source</a>
</div>
[leanInkHtml]
[attrsHtml]
{←docInfoHeader doc}
[docInfoHtml]
[docStringHtml]
[extraInfoHtml]
</div>
</div>
/--
Rendering a module doc string, that is the ones with an ! after the opener
as HTML.
-/
def modDocToHtml (module : Name) (mdoc : ModuleDoc) : HtmlM Html := do
pure
<div class="mod_doc">
[←docStringToHtml mdoc.doc]
</div>
/--
Render a module member, that is either a module doc string or a declaration
as HTML.
-/
def moduleMemberToHtml (module : Name) (member : ModuleMember) : HtmlM Html := do
match member with
| ModuleMember.docInfo d => docInfoToHtml module d
| ModuleMember.modDoc d => modDocToHtml module d
def declarationToNavLink (module : Name) : Html :=
<div class="nav_link">
<a class="break_within" href={s!"#{module.toString}"}>{module.toString}</a>
</div>
/--
Returns the list of all imports this module does.
-/
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)
pure imports
/--
Sort the list of all modules this one is importing, linkify it
and return the HTML.
-/
def importsHtml (moduleName : Name) : HtmlM (Array Html) := do
let imports := (←getImports moduleName) |>.qsort Name.lt
imports.mapM (λ i => do pure <li>{←moduleToHtmlLink i}</li>)
/--
Returns a list of all modules this module is imported by.
-/
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)
pure impBy
/--
Sort the list of all modules this one is imported by, linkify it
and return the HTML.
-/
def importedByHtml (moduleName : Name) : HtmlM (Array Html) := do
let imports := (←getImportedBy moduleName) |>.qsort Name.lt
imports.mapM (λ i => do pure <li>{←moduleToHtmlLink i}</li>)
/--
Render the internal nav bar (the thing on the right on all module pages).
-/
def internalNav (members : Array Name) (moduleName : Name) : HtmlM Html := do
pure
<nav class="internal_nav">
<h3><a class="break_within" href="#top">{moduleName.toString}</a></h3>
<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>
/--
The main entry point to rendering the HTML for an entire module.
-/
def moduleToHtml (module : Process.Module) : HtmlM Html := withReader (setCurrentName module.name) do
let memberDocs ← module.members.mapM (λ i => moduleMemberToHtml module.name i)
let memberNames := filterMapDocInfo module.members |>.map DocInfo.getName
templateExtends (baseHtmlGenerator module.name.toString) $ pure #[
←internalNav memberNames module.name,
Html.element "main" false #[] memberDocs
]
end Output
end DocGen4