From 61e141f8c1e72c530683cfaca0c1b17077d2385d Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Sun, 10 Jul 2022 10:11:46 +0200
Subject: Update

---
 scripts/metadata_filter.lua | 342 --------------------------------------------
 1 file changed, 342 deletions(-)
 delete mode 100644 scripts/metadata_filter.lua

(limited to 'scripts/metadata_filter.lua')

diff --git a/scripts/metadata_filter.lua b/scripts/metadata_filter.lua
deleted file mode 100644
index 8f32bd4..0000000
--- a/scripts/metadata_filter.lua
+++ /dev/null
@@ -1,342 +0,0 @@
-local path = require 'pandoc.path'
-
-function pandoc.List:flatten()
-    local result = pandoc.List()
-
-    for i = 1, #self do result:extend(self[i]) end
-
-    return result
-end
-
-function pandoc.List:flatMap(fn)
-    local mapped = self:map(fn)
-    local result = pandoc.List()
-
-    for i = 1, #mapped do result:extend(mapped[i]) end
-
-    return result
-end
-
-function pandoc.List:take(n)
-    if n >= #self then return self end
-
-    local result = pandoc.List()
-
-    for i = 1, n do result:insert(self[i]) end
-
-    return result
-end
-
-function dump(o)
-    if type(o) == 'table' then
-        local s = '{ '
-        for k, v in pairs(o) do
-            if type(k) ~= 'number' then k = '"' .. k .. '"' end
-            s = s .. '[' .. k .. '] = ' .. dump(v) .. ','
-        end
-        return s .. '} '
-    else
-        return tostring(o)
-    end
-end
-
-function page_sort(order)
-    return function(p1, p2)
-        if p1.position then
-            if p2.position then
-                return tonumber(p1.position) < tonumber(p2.position)
-            else
-                return true
-            end
-        elseif p2.position then
-            return false
-        elseif order == "date_desc" then
-            if p1.last_update then
-                if p2.last_update then
-                    return p1.last_update.yyyy_mm_dd > p2.last_update.yyyy_mm_dd
-                else
-                    return true
-                end
-            else
-                return false
-            end
-        else
-            return p1.title:upper() < p2.title:upper()
-        end
-    end
-end
-
-function slug(str)
-    return str:lower():gsub("[^ a-z]", ""):gsub("[ ]+", "-")
-end
-
-function format_date(date)
-    if not date then return date end
-
-    date = pandoc.utils.normalize_date(pandoc.utils.stringify(date))
-    local year, month, day = date:match("(%d%d%d%d)-(%d%d)-(%d%d)")
-    if not year then return nil end
-
-    local time = os.time({ year = tonumber(year), month = tonumber(month), day = tonumber(day) })
-    return {
-        yyyy_mm_dd = os.date("%F", time),
-        yyyy = os.date("%Y", time),
-        mm = os.date("%m", time),
-        dd = os.date("%d", time),
-        rfc3339 = os.date("%FT%T+00:00", time),
-        long = os.date("%B %d, %Y", time),
-        short = os.date("%b %d, %Y", time),
-    }
-end
-
-function make_absolute(rel, base)
-    return path.is_absolute(rel) and rel or path.join({ path.directory(base), rel })
-end
-
-function resolve_url(site_url, ref_file, target_file)
-    target_file = target_file:gsub("/index%.html$", "/")
-
-    local ref_base_dir = path.directory(ref_file)
-    local abs = target_file
-    local rel = path.make_relative(abs, ref_base_dir, true)
-    local full = (abs:sub(1, 1) == "/" and (site_url .. abs)) or abs
-
-    return { abs = abs, rel = rel, full = full }
-end
-
-function resolve_layout(depth)
-    local layout = "categorized_list"
-
-    if depth == 0 then
-        layout = "page"
-    elseif depth == 1 then
-        layout = "list"
-    end
-
-    return layout
-end
-
-function prep_layout(layout)
-    layout = pandoc.utils.stringify(layout)
-    return { id = layout, ["is_" .. layout] = true }
-end
-
-function resolve_namespace(namespace)
-    namespace = pandoc.utils.stringify(namespace)
-
-    local root = "index"
-    if namespace ~= "" then root = namespace:gsub("^/([^/]*).*$", "%1") end
-
-    return { root = { id = root, ["is_" .. root] = true }, full = namespace }
-end
-
-function prep_menu(active_id, main_menu)
-    local active_item = nil
-    local items = pandoc.List()
-
-    for i = 1, #main_menu do
-        local item = main_menu[i]
-        local active = pandoc.utils.stringify(item.id) == active_id
-        item.active = active
-        if active then active_item = item end
-        if not item.hidden or item.active then items:insert(item) end
-    end
-
-    return { items = items, active = active_item }
-end
-
-function process_pages(global, order, pages_by_id)
-    if not pages_by_id then return nil end
-
-    local pages_all = pandoc.List()
-    local pages_date_desc = pandoc.List()
-
-    for _, page in pairs(pages_by_id) do
-        local p = process(global, page)
-        if not p.unlisted then
-            pages_all:insert(p)
-            if p.last_update then pages_date_desc:insert(p) end
-        end
-    end
-
-    pages_all:sort(page_sort(order))
-    pages_date_desc:sort(page_sort("date_desc"))
-
-    local pages_data = { all = pages_all, date_desc = pages_date_desc, by_id = pages_by_id }
-
-    return pages_data
-end
-
-function find_depth(pages)
-    local depth = 0
-
-    if pages then
-        for i = 1, #pages.all do
-            local p = pages.all[i]
-            local d = tonumber(p.depth)
-            if d > depth then depth = d end
-        end
-
-        depth = depth + 1
-    end
-
-    return depth
-end
-
-function d1_page_to_list_item(meta, p)
-    return {
-        title = p.title,
-        subtitle = p.subtitle,
-        date = p.date,
-        last_update = p.last_update,
-        schema_type = p.schema_type,
-        position = p.position,
-        url = p.url,
-        rel = p.rel,
-        slug = p.slug,
-        thumbnail = p.thumbnail,
-        icon = p.icon or meta.icon,
-        post_icon = p.post_icon or meta.list_post_icon,
-        indicator = meta.list_read_indicators,
-    }
-end
-
-function d2_page_to_list_item(meta, cat, p, set_cat_title)
-    return {
-        title = p.title,
-        subtitle = p.subtitle,
-        category = set_cat_title and cat.title,
-        date = p.date,
-        last_update = p.last_update,
-        schema_type = p.schema_type,
-        position = p.position,
-        url = p.url,
-        rel = p.rel,
-        slug = p.slug,
-        thumbnail = p.thumbnail,
-        icon = p.icon or cat.icon,
-        post_icon = p.post_icon or cat.list_post_icon or meta.list_post_icon,
-        indicator = cat.list_read_indicators,
-    }
-end
-
-function cat_to_list_cat(cat, allItems)
-    local limit = cat.list_limit or 9999
-    local items = allItems:take(limit)
-    local omitted = #allItems - #items
-
-    return {
-        title = cat.title,
-        description = (cat.description and pandoc.MetaBlocks(pandoc.Para(cat.description))) or
-            (not cat.no_description and cat.content),
-        last_update = cat.last_update,
-        schema_type = cat.schema_type,
-        url = cat.url,
-        slug = cat.slug,
-        layout = cat.list_layout,
-        items = items,
-        total = tostring(#allItems),
-        omitted = omitted ~= 0 and tostring(omitted),
-    }
-end
-
-function generate_list(meta)
-    if meta.depth < 1 then return nil end
-
-    if meta.depth == 1 then
-        return meta.pages.all:map(function(p) return d1_page_to_list_item(meta, p) end)
-    end
-
-    if meta.depth == 2 then
-        return meta.pages.all
-            :map(function(cat)
-                local allItems = ((cat.pages and cat.pages.all) or pandoc.List())
-                    :map(function(p) return d2_page_to_list_item(meta, cat, p, false) end)
-
-                return cat_to_list_cat(cat, allItems)
-            end)
-            :filter(function(cat) return #cat.items ~= 0 end)
-    end
-
-    if meta.depth == 3 then
-        return meta.pages.all
-            :map(function(cat)
-                local allItems = (cat.pages and cat.pages.all or pandoc.List()):flatMap(function(c)
-                    if not c.pages or not cat.list_flatten then
-                        return pandoc.List({ d1_page_to_list_item(cat, c) })
-                    else
-                        return c.pages.all:map(function(p) return d2_page_to_list_item(cat, c, p, true) end)
-                    end
-                end)
-                allItems:sort(page_sort(cat.list_order))
-
-                return cat_to_list_cat(cat, allItems)
-            end)
-            :filter(function(cat) return #cat.items ~= 0 end)
-    end
-end
-
-function process(global, meta)
-    meta.namespace = resolve_namespace(meta.namespace)
-    meta.file_out = pandoc.utils.stringify(meta.file_out):gsub("^out", "")
-    meta.redirect = meta.url and true
-    meta.url = meta.url and pandoc.utils.stringify(meta.url)
-    meta.url = resolve_url(global.site.url, global.file_out, meta.url or meta.file_out)
-    meta.title = (meta.title and pandoc.utils.stringify(meta.title)) or ""
-    meta.slug = slug(meta.title)
-    meta.schema_type = (meta.schema_type and pandoc.utils.stringify(meta.schema_type)) or "CreativeWork"
-    if meta.list_order then meta.list_order = pandoc.utils.stringify(meta.list_order) end
-    meta.list_layout = meta.list_layout and prep_layout(meta.list_layout)
-    if meta.list_limit then meta.list_limit = tonumber(pandoc.utils.stringify(meta.list_limit)) end
-    if meta.position then meta.position = pandoc.utils.stringify(meta.position) end
-
-    if meta.feed then
-        if meta.file_out:match(".html$") then
-            meta.feed = {
-                url = resolve_url(global.site.url, global.file_out, meta.file_out:gsub(".html$", ".xml")),
-            }
-        else
-            meta.page = {
-                url = resolve_url(global.site.url, global.file_out, meta.file_out:gsub(".xml$", ".html")),
-            }
-        end
-    end
-
-    if meta.thumbnail then
-        meta.thumbnail = make_absolute("thumbnail." .. pandoc.utils.stringify(meta.thumbnail),
-            meta.file_out)
-        meta.thumbnail = resolve_url(global.site.url, global.file_out, meta.thumbnail)
-    end
-
-    if meta.menus and meta.menus.main then
-        meta.menus.main = prep_menu(meta.namespace.root.id, meta.menus.main)
-    end
-
-    meta.pages = process_pages(global, meta.list_order, meta.pages)
-    meta.depth = find_depth(meta.pages)
-    meta.layout = prep_layout(meta.layout or (meta.redirect and "redirect") or resolve_layout(meta.depth))
-
-    if meta.date then
-        meta.date = format_date(meta.date)
-    elseif meta.pages and #meta.pages.date_desc ~= 0 then
-        meta.date = meta.pages.date_desc[1].date
-    end
-
-    if meta.last_update then
-        meta.last_update = format_date(meta.last_update)
-    elseif meta.pages and #meta.pages.date_desc ~= 0 then
-        meta.last_update = meta.pages.date_desc[1].last_update
-    elseif meta.date then
-        meta.last_update = meta.date
-    end
-
-    meta.list = generate_list(meta)
-
-    return meta
-end
-
-function Meta(meta)
-    meta.site.url = pandoc.utils.stringify(meta.site.url):gsub("/$", "")
-
-    return process(meta, meta)
-end
-- 
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