[nit.git] / src / doc / html_templates / html_model.nit

# This file is part of NIT ( http://www.nitlanguage.org ).
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# HTML templates for Nit model MEntities.
module html_model

import doc_base
import doc_down
import html_components
import html::bootstrap
import ordered_tree

redef class MEntity
        # ID used as a HTML unique ID and in file names.
        #
        # **Must** match the following (POSIX ERE) regular expression:
        #
        # ~~~POSIX ERE
        # ^[A-Za-z_][A-Za-z0-9._-]*$
        # ~~~
        #
        # That way, the ID is always a valid URI component and a valid XML name.
        fun nitdoc_id: String is abstract

        # URL of this entity’s Nitdoc page.
        fun nitdoc_url: String is abstract

        # Returns the mentity name without short signature.
        #
        # * MProject: `foo`
        # * MGroup: `foo`
        # * MModule: `foo`
        # * MClass: `Foo[E]`
        # * MClassDef: `Foo[E]`
        # * MProperty: `foo(e)`
        # * MPropdef: `foo(e)`
        var html_name: String is lazy do return name.html_escape

        # Returns a Link to the mentity `html_url`.
        #
        # Example: `<a href="html_url" title="mdoc.short_comment">html_short_name</a>
        var html_link: Link is lazy do
                var tpl = new Link(nitdoc_url, html_name)
                var mdoc = mdoc_or_fallback
                if mdoc != null then
                        tpl.title = mdoc.short_comment
                end
                return tpl
        end

        # Returns a Link to the mentity `nitdoc_id`.
        #
        # Example: `<a href="#nitdoc_id" title="mdoc.short_comment">html_short_name</a>
        fun html_link_to_anchor: Link do
                var tpl = new Link("#{nitdoc_id}", html_name)
                var mdoc = mdoc_or_fallback
                if mdoc != null then
                        tpl.title = mdoc.short_comment
                end
                return tpl
        end

        # Returns the list of keyword used in `self` declaration.
        fun html_modifiers: Array[String] is abstract

        # Returns the complete MEntity declaration decorated with HTML.
        #
        # * MProject: `project foo`
        # * MGroup: `group foo`
        # * MModule: `module foo`
        # * MClass: `private abstract class Foo[E: Object]`
        # * MClassDef: `redef class Foo[E]`
        # * MProperty: `private fun foo(e: Object): Int`
        # * MPropdef: `redef fun foo(e)`
        fun html_declaration: Template do
                var tpl = new Template
                tpl.add "<span>"
                tpl.add html_modifiers.join(" ")
                tpl.add " "
                tpl.add html_link
                tpl.add "</span>"
                return tpl
        end

        # Returns `self` namespace decorated with HTML links.
        #
        # * MProject: `mproject`
        # * MGroup: `mproject(::group)`
        # * MModule: `mgroup::mmodule`
        # * MClass: `mproject::mclass`
        # * MClassDef: `mmodule::mclassdef`
        # * MProperty: `mclass::mprop`
        # * MPropdef: `mclassdef:mpropdef`
        fun html_namespace: Template is abstract

        # Returns the comment of this MEntity formatted as HTML.
        var html_comment: nullable Writable is lazy do
                var mdoc = mdoc_or_fallback
                if mdoc == null then return null
                return mdoc.tpl_comment
        end

        # Returns the comment of this MEntity formatted as HTML.
        var html_short_comment: nullable Writable is lazy do
                var mdoc = mdoc_or_fallback
                if mdoc == null then return null
                return mdoc.tpl_short_comment
        end

        # Icon that will be displayed before the title
        fun html_icon: BSIcon do
                var icon = new BSIcon("tag")
                icon.css_classes.add_all(css_classes)
                return icon
        end

        # CSS classes used to decorate `self`.
        #
        # Mainly used for icons.
        var css_classes = new Array[String]
end

redef class MProject
        redef var nitdoc_id = name.to_cmangle is lazy
        redef fun nitdoc_url do return root.nitdoc_url
        redef var html_modifiers = ["project"]
        redef fun html_namespace do return html_link
        redef var css_classes = ["public"]
end

redef class MGroup
        redef var nitdoc_id is lazy do
                if parent != null then
                        return "{parent.nitdoc_id}__{name.to_cmangle}"
                end
                return name.to_cmangle
        end

        redef fun nitdoc_url do return "group_{nitdoc_id}.html"
        redef var html_modifiers = ["group"]

        # Depends if `self` is root or not.
        #
        # * If root `mproject`.
        # * Else `mproject::self`.
        redef fun html_namespace do
                var tpl = new Template
                tpl.add mproject.html_namespace
                if mproject.root != self then
                        tpl.add "::"
                        tpl.add html_link
                end
                return tpl
        end

        redef var css_classes = ["public"]
end

redef class MModule
        redef var nitdoc_id is lazy do
                if mgroup != null then
                        if mgroup.mmodules.length == 1 then
                                return "{mgroup.nitdoc_id}-"
                        else
                                return "{mgroup.nitdoc_id}__{name.to_cmangle}"
                        end
                end
                return name.to_cmangle
        end

        redef fun nitdoc_url do return "module_{nitdoc_id}.html"
        redef var html_modifiers = ["module"]

        # Depends if `self` belongs to a MGroup.
        #
        # * If mgroup `mgroup::self`.
        # * Else `self`.
        redef fun html_namespace do
                var tpl = new Template
                if mgroup != null then
                        tpl.add mgroup.html_namespace
                        tpl.add "::"
                end
                tpl.add html_link
                return tpl
        end

        redef var css_classes = ["public"]
end

redef class MClass
        redef var nitdoc_id = "{intro_mmodule.nitdoc_id}__{name.to_cmangle}" is lazy
        redef fun nitdoc_url do return "class_{nitdoc_id}.html"
        redef fun mdoc_or_fallback do return intro.mdoc

        # Format: `Foo[E]`
        redef var html_name is lazy do
                var tpl = new Template
                tpl.add name.html_escape
                if arity > 0 then
                        tpl.add "["
                        var parameter_names = new Array[String]
                        for p in mparameters do
                                parameter_names.add(p.html_name)
                        end
                        tpl.add parameter_names.join(", ")
                        tpl.add "]"
                end
                return tpl.write_to_string
        end

        redef fun html_modifiers do return intro.html_modifiers
        redef fun html_declaration do return intro.html_declaration

        # Returns `mproject::self`.
        redef fun html_namespace do
                var tpl = new Template
                tpl.add intro_mmodule.mgroup.mproject.html_namespace
                tpl.add "::<span>"
                tpl.add html_link
                tpl.add "</span>"
                return tpl
        end

        # Returns `intro.html_short_signature`.
        fun html_short_signature: Template do return intro.html_short_signature

        # Returns `intro.html_signature`.
        fun html_signature: Template do return intro.html_signature

        redef fun html_icon do return intro.html_icon
        redef fun css_classes do return intro.css_classes
end

redef class MClassDef
        redef var nitdoc_id = "{mmodule.nitdoc_id}__{name.to_cmangle}" is lazy
        redef fun nitdoc_url do return "{mclass.nitdoc_url}#{nitdoc_id}"
        redef fun mdoc_or_fallback do return mdoc or else mclass.mdoc_or_fallback

        # Depends if `self` is an intro or not.
        #
        # * If intro contains the visibility and kind.
        # * If redef contains the `redef` keyword and kind.
        redef fun html_modifiers do
                var res = new Array[String]
                if not is_intro then
                        res.add "redef"
                else
                        if mclass.visibility != public_visibility then
                                res.add mclass.visibility.to_s
                        end
                end
                res.add mclass.kind.to_s
                return res
        end

        # Depends if `self` is an intro or not.
        #
        # For intro: `private abstract class Foo[E: Object]`
        # For redef: `redef class Foo[E]`
        redef fun html_declaration do
                var tpl = new Template
                tpl.add "<span>"
                tpl.add html_modifiers.join(" ")
                tpl.add " "
                tpl.add html_link
                if is_intro then
                        tpl.add html_signature
                else
                        tpl.add html_short_signature
                end
                tpl.add "</span>"
                return tpl
        end

        # Returns `mmodule::self`
        redef fun html_namespace do
                var tpl = new Template
                tpl.add mmodule.html_namespace
                tpl.add "::<span>"
                tpl.add mclass.html_link
                tpl.add "</span>"
                return tpl
        end

        # Returns the MClassDef generic signature without static bounds.
        fun html_short_signature: Template do
                var tpl = new Template
                var mparameters = mclass.mparameters
                if not mparameters.is_empty then
                        tpl.add "["
                        for i in [0..mparameters.length[ do
                                tpl.add mparameters[i].html_name
                                if i < mparameters.length - 1 then tpl.add ", "
                        end
                        tpl.add "]"
                end
                return tpl
        end

        # Returns the MClassDef generic signature with static bounds.
        fun html_signature: Template do
                var tpl = new Template
                var mparameters = mclass.mparameters
                if not mparameters.is_empty then
                        tpl.add "["
                        for i in [0..mparameters.length[ do
                                tpl.add "{mparameters[i].html_name}: "
                                tpl.add bound_mtype.arguments[i].html_signature
                                if i < mparameters.length - 1 then tpl.add ", "
                        end
                        tpl.add "]"
                end
                return tpl
        end

        redef fun css_classes do
                var set = new HashSet[String]
                if is_intro then set.add "intro"
                for m in mclass.intro.modifiers do set.add m.to_cmangle
                for m in modifiers do set.add m.to_cmangle
                return set.to_a
        end
end

redef class MProperty
        redef var nitdoc_id = "{intro_mclassdef.mclass.nitdoc_id}__{name.to_cmangle}" is lazy
        redef fun nitdoc_url do return "property_{nitdoc_id}.html"
        redef fun mdoc_or_fallback do return intro.mdoc
        redef fun html_modifiers do return intro.html_modifiers
        redef fun html_declaration do return intro.html_declaration

        # Returns `mclass::self`.
        redef fun html_namespace do
                var tpl = new Template
                tpl.add intro_mclassdef.mclass.html_namespace
                tpl.add "::<span>"
                tpl.add intro.html_link
                tpl.add "</span>"
                return tpl
        end

        # Returns `intro.html_short_signature`.
        fun html_short_signature: Template do return intro.html_short_signature

        # Returns `intro.html_signature`.
        fun html_signature: Template do return intro.html_signature

        redef fun css_classes do return intro.css_classes
end

redef class MPropDef
        redef var nitdoc_id = "{mclassdef.nitdoc_id}__{name.to_cmangle}" is lazy
        redef fun nitdoc_url do return "{mproperty.nitdoc_url}#{nitdoc_id}"
        redef fun mdoc_or_fallback do return mdoc or else mproperty.mdoc_or_fallback

        # Depends if `self` is an intro or not.
        #
        # * If intro contains the visibility and kind.
        # * If redef contains the `redef` keyword and kind.
        redef fun html_modifiers do
                var res = new Array[String]
                if not is_intro then
                        res.add "redef"
                else
                        if mproperty.visibility != public_visibility then
                                res.add mproperty.visibility.to_s
                        end
                end
                return res
        end

        # Depends if `self` is an intro or not.
        #
        # For intro: `private fun foo(e: Object): Bar is abstract`
        # For redef: `redef fun foo(e) is cached`
        redef fun html_declaration do
                var tpl = new Template
                tpl.add "<span>"
                tpl.add html_modifiers.join(" ")
                tpl.add " "
                if is_intro then
                        tpl.add html_link
                        tpl.add html_signature
                else
                        tpl.add mproperty.intro.html_link
                        tpl.add html_short_signature
                end
                tpl.add "</span>"
                return tpl
        end

        # Returns `mclassdef::self`
        redef fun html_namespace do
                var tpl = new Template
                tpl.add mclassdef.html_namespace
                tpl.add "::"
                tpl.add html_link
                return tpl
        end

        # Returns the MPropdDef signature without static types.
        fun html_short_signature: Template is abstract

        # Returns the MPropDef signature with static types.
        fun html_signature: Template is abstract

        redef fun css_classes do
                var set = new HashSet[String]
                if is_intro then set.add "intro"
                for m in mproperty.intro.modifiers do set.add m.to_cmangle
                for m in modifiers do set.add m.to_cmangle
                return set.to_a
        end
end

redef class MAttributeDef

        redef fun html_modifiers do
                var res = super
                res.add "var"
                return res
        end

        redef fun html_short_signature do return new Template

        redef fun html_signature do
                var tpl = new Template
                if static_mtype != null then
                        tpl.add ": "
                        tpl.add static_mtype.html_signature
                end
                return tpl
        end
end

redef class MMethodDef

        # FIXME annotation should be handled in their own way
        redef fun html_modifiers do
                var res = super
                if is_abstract then
                        res.add "abstract"
                else if is_intern then
                        res.add "intern"
                end
                if mproperty.is_init then
                        res.add "init"
                else
                        res.add "fun"
                end
                return res
        end

        redef fun html_short_signature do return msignature.html_short_signature
        redef fun html_signature do return msignature.html_signature
end

redef class MVirtualTypeProp
        redef fun html_link do return mvirtualtype.html_link
end

redef class MVirtualTypeDef

        redef fun html_modifiers do
                var res = super
                res.add "type"
                return res
        end

        redef fun html_short_signature do return new Template

        redef fun html_signature do
                var tpl = new Template
                if bound == null then return tpl
                tpl.add ": "
                tpl.add bound.html_signature
                return tpl
        end
end

redef class MType
        # Returns the signature of this type whithout bounds.
        fun html_short_signature: Template is abstract

        # Returns the signature of this type.
        fun html_signature: Template is abstract
end

redef class MClassType
        redef fun html_link do return mclass.html_link
        redef fun html_short_signature do return html_link
        redef fun html_signature do return html_link
end

redef class MNullableType

        redef fun html_short_signature do
                var tpl = new Template
                tpl.add "nullable "
                tpl.add mtype.html_short_signature
                return tpl
        end

        redef fun html_signature do
                var tpl = new Template
                tpl.add "nullable "
                tpl.add mtype.html_signature
                return tpl
        end
end

redef class MGenericType
        redef fun html_short_signature do
                var lnk = html_link
                var tpl = new Template
                tpl.add new Link.with_title(lnk.href, mclass.name.html_escape, lnk.title)
                tpl.add "["
                for i in [0..arguments.length[ do
                        tpl.add arguments[i].html_short_signature
                        if i < arguments.length - 1 then tpl.add ", "
                end
                tpl.add "]"
                return tpl
        end

        redef fun html_signature do
                var lnk = html_link
                var tpl = new Template
                tpl.add new Link.with_title(lnk.href, mclass.name.html_escape, lnk.title)
                tpl.add "["
                for i in [0..arguments.length[ do
                        tpl.add arguments[i].html_signature
                        if i < arguments.length - 1 then tpl.add ", "
                end
                tpl.add "]"
                return tpl
        end
end

redef class MParameterType
        redef fun html_link do
                return new Link.with_title("{mclass.nitdoc_url}#FT_{name.to_cmangle}", name, "formal type")
        end

        redef fun html_short_signature do return html_link
        redef fun html_signature do return html_link
end

redef class MVirtualType
        redef fun html_link do return mproperty.intro.html_link
        redef fun html_signature do return html_link
end

redef class MSignature

        redef fun html_short_signature do
                var tpl = new Template
                if not mparameters.is_empty then
                        tpl.add "("
                        for i in [0..mparameters.length[ do
                                tpl.add mparameters[i].html_short_signature
                                if i < mparameters.length - 1 then tpl.add ", "
                        end
                        tpl.add ")"
                end
                return tpl
        end

        redef fun html_signature do
                var tpl = new Template
                if not mparameters.is_empty then
                        tpl.add "("
                        for i in [0..mparameters.length[ do
                                tpl.add mparameters[i].html_signature
                                if i < mparameters.length - 1 then tpl.add ", "
                        end
                        tpl.add ")"
                end
                if return_mtype != null then
                        tpl.add ": "
                        tpl.add return_mtype.html_signature
                end
                return tpl
        end
end

redef class MParameter

        # Returns `self` name and ellipsys if any.
        fun html_short_signature: Template do
                var tpl = new Template
                tpl.add name
                if is_vararg then tpl.add "..."
                return tpl
        end

        # Returns `self` name with it's static type and ellipsys if any.
        fun html_signature: Template do
                var tpl = new Template
                tpl.add "{name}: "
                tpl.add mtype.html_signature
                if is_vararg then tpl.add "..."
                return tpl
        end
end

redef class ConcernsTree
        # Render `self` as a hierarchical UnorderedList.
        fun html_list: UnorderedList do
                var lst = new UnorderedList
                lst.css_classes.add "list-unstyled list-definition"
                for r in roots do
                        var li = r.html_concern_item
                        lst.add_li li
                        build_html_list(r, li)
                end
                return lst
        end

        # Build the html list recursively.
        private fun build_html_list(e: MConcern, li: ListItem) do
                if not sub.has_key(e) then return
                var subs = sub[e]
                var lst = new UnorderedList
                lst.css_classes.add "list-unstyled list-definition"
                for e2 in subs do
                        if e2 isa MGroup and e2.is_root then
                                build_html_list(e2, li)
                        else
                                var sli = e2.html_concern_item
                                lst.add_li sli
                                build_html_list(e2, sli)
                        end
                end
                var text = new Template
                text.add li.text
                if not lst.is_empty then text.add lst
                li.text = text
        end
end

redef class MConcern
        # Return a li element for `self` that can be displayed in a concern list
        private fun html_concern_item: ListItem do
                var lnk = html_link
                var tpl = new Template
                tpl.add new Link.with_title("#{nitdoc_id}", lnk.text, lnk.title)
                var comment = html_short_comment
                if comment != null then
                        tpl.add ": "
                        tpl.add comment
                end
                return new ListItem(tpl)
        end
end

################################################################################
# Additions to `model_ext`.

redef class MRawType
        redef fun html_signature do
                var tpl = new Template

                for part in parts do
                        if part.target != null then
                                tpl.add part.target.as(not null).html_link
                        else
                                tpl.add part.text.html_escape
                        end
                end
                return tpl
        end
end

redef class MInnerClass
        redef fun nitdoc_url do return inner.nitdoc_url
        redef fun html_signature do return inner.html_signature
end

redef class MInnerClassDef
        redef fun nitdoc_url do return inner.nitdoc_url

        redef fun html_link_to_anchor do return inner.html_link_to_anchor
        redef fun html_link do return inner.html_link
        redef fun html_signature do return inner.html_signature
end