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# Copyright 2023, Oscar Dowson and contributors | ||
# This Source Code Form is subject to the terms of the Mozilla Public | ||
# License, v. 2.0. If a copy of the MPL was not distributed with this | ||
# file, You can obtain one at https://mozilla.org/MPL/2.0/. | ||
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module DocumenterReference | ||
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import Documenter | ||
import Markdown | ||
import MarkdownAST | ||
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@enum( | ||
DocType, | ||
DOCTYPE_ABSTRACT_TYPE, | ||
DOCTYPE_CONSTANT, | ||
DOCTYPE_FUNCTION, | ||
DOCTYPE_MACRO, | ||
DOCTYPE_MODULE, | ||
DOCTYPE_STRUCT, | ||
) | ||
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struct _Config | ||
current_module::Module | ||
root::String | ||
subdirectory::String | ||
modules::Dict{Module,<:Vector} | ||
end | ||
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const CONFIG = _Config[] | ||
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abstract type APIBuilder <: Documenter.Builder.DocumentPipeline end | ||
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Documenter.Selectors.order(::Type{APIBuilder}) = 0.0 | ||
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""" | ||
automatic_reference_documentation(; | ||
root::String, | ||
subdirectory::String, | ||
modules::Dict{Module,Vector{Pair{String,DocType}}}, | ||
) | ||
Automatically creates the API reference documentation for `current_module` and | ||
returns a `Vector` which can be used in the `pages` argument of | ||
`Documenter.makedocs`. | ||
## Arguments | ||
* `current_module`: the module from which to create an API reference. | ||
* `subdirectory`: the directory relative to the documentation root in which to | ||
write the API files. | ||
* `modules`: a dictionary mapping modules to a vector of non-exported | ||
docstrings to include in the API reference. Each element is a pair which maps | ||
the docstring signature to a [`DocumenterReference.DocType`](@ref) enum. | ||
## Multiple instances | ||
Each time you call this function, a new object is added to the global variable | ||
`DocumenterReference.CONFIG`. | ||
""" | ||
function automatic_reference_documentation(; | ||
root::String, | ||
subdirectory::String, | ||
modules::Vector, | ||
) | ||
_to_extras(m::Module) = m => Any[] | ||
_to_extras(m::Pair) = m | ||
_modules = Dict(_to_extras(m) for m in modules) | ||
list_of_pages = Any[] | ||
for m in modules | ||
current_module = first(_to_extras(m)) | ||
pages = _automatic_reference_documentation( | ||
current_module; | ||
root, | ||
subdirectory, | ||
modules = _modules, | ||
) | ||
push!(list_of_pages, "$current_module" => pages) | ||
end | ||
return "API Reference" => list_of_pages | ||
end | ||
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function _automatic_reference_documentation( | ||
current_module::Module; | ||
root::String, | ||
subdirectory::String, | ||
modules::Dict{Module,<:Vector}, | ||
) | ||
push!(CONFIG, _Config(current_module, root, subdirectory, modules)) | ||
return "$subdirectory/$current_module.md" | ||
end | ||
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function _exported_symbols(mod) | ||
contents = Pair{Symbol,DocType}[] | ||
for n in names(mod) | ||
f = getfield(mod, n) | ||
f_str = string(f) | ||
if startswith(f_str, "@") | ||
push!(contents, n => DOCTYPE_MACRO) | ||
elseif startswith(f_str, "Abstract") | ||
push!(contents, n => DOCTYPE_ABSTRACT_TYPE) | ||
elseif f isa Type | ||
push!(contents, n => DOCTYPE_STRUCT) | ||
elseif f isa Function | ||
if islowercase(f_str[1]) | ||
push!(contents, n => DOCTYPE_FUNCTION) | ||
else | ||
push!(contents, n => DOCTYPE_STRUCT) | ||
end | ||
elseif f isa Module | ||
push!(contents, n => DOCTYPE_MODULE) | ||
else | ||
push!(contents, n => DOCTYPE_CONSTANT) | ||
end | ||
end | ||
order = Dict( | ||
DOCTYPE_MODULE => 0, | ||
DOCTYPE_MACRO => 1, | ||
DOCTYPE_FUNCTION => 2, | ||
DOCTYPE_ABSTRACT_TYPE => 3, | ||
DOCTYPE_STRUCT => 4, | ||
DOCTYPE_CONSTANT => 5, | ||
) | ||
return sort(contents; by = x -> (order[x[2]], "$(x[1])")) | ||
end | ||
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function _iterate_over_symbols(f, config) | ||
current_module = config.current_module | ||
modules = get(config.modules, config.current_module, Any[]) | ||
for (key, type) in vcat(_exported_symbols(current_module), modules) | ||
if key isa Symbol | ||
doc = Base.Docs.doc(Base.Docs.Binding(current_module, key)) | ||
if occursin("No documentation found.", string(doc)) | ||
if type == DOCTYPE_MODULE | ||
mod = getfield(current_module, key) | ||
if mod == current_module || !haskey(config.modules, mod) | ||
continue | ||
end | ||
else | ||
error("Documentation missing for $key") | ||
end | ||
end | ||
end | ||
f(key, type) | ||
end | ||
return | ||
end | ||
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function _to_string(x::DocType) | ||
if x == DOCTYPE_ABSTRACT_TYPE | ||
return "abstract type" | ||
elseif x == DOCTYPE_CONSTANT | ||
return "constant" | ||
elseif x == DOCTYPE_FUNCTION | ||
return "function" | ||
elseif x == DOCTYPE_MACRO | ||
return "macro" | ||
elseif x == DOCTYPE_MODULE | ||
return "module" | ||
elseif x == DOCTYPE_STRUCT | ||
return "struct" | ||
end | ||
end | ||
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function _build_api_page(document::Documenter.Document, config::_Config) | ||
subdir = config.subdirectory | ||
overview_md = """ | ||
```@meta | ||
EditURL = nothing | ||
``` | ||
# [$(config.current_module)](@id DocumenterReference_$(config.current_module)) | ||
This page lists the public API of `$(config.current_module)`. | ||
!!! info | ||
This page is an unstructured list of the $(config.current_module) API. For a | ||
more structured overview, read the Manual or Tutorial parts of this | ||
documentation. | ||
Load all of the public the API into the current scope with: | ||
```julia | ||
using $(config.current_module) | ||
``` | ||
Alternatively, load only the module with: | ||
```julia | ||
import $(config.current_module) | ||
``` | ||
and then prefix all calls with `$(config.current_module).` to create | ||
`$(config.current_module).<NAME>`. | ||
""" | ||
list_of_docstrings = String[] | ||
_iterate_over_symbols(config) do key, type | ||
if type == DOCTYPE_MODULE | ||
return | ||
end | ||
push!( | ||
list_of_docstrings, | ||
"## `$key`\n\n```@docs\n$(config.current_module).$key\n```\n\n", | ||
) | ||
return | ||
end | ||
md_page = Markdown.parse(overview_md * join(list_of_docstrings, "\n")) | ||
filename = "$subdir/$(config.current_module).md" | ||
document.blueprint.pages[filename] = Documenter.Page( | ||
filename, # source, gets ignored because of `EditURL = nothing`. | ||
"$(document.user.build)/$filename", # build, | ||
"$(document.user.build)/", # workdir, | ||
md_page.content, | ||
Documenter.Globals(), | ||
convert(MarkdownAST.Node, md_page), | ||
) | ||
return | ||
end | ||
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function Documenter.Selectors.runner( | ||
::Type{APIBuilder}, | ||
document::Documenter.Document, | ||
) | ||
@info "APIBuilder: creating API reference" | ||
for config in CONFIG | ||
_build_api_page(document, config) | ||
end | ||
return | ||
end | ||
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end # module |
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