126 lines
5.1 KiB
OCaml
126 lines
5.1 KiB
OCaml
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let wrap (title:string) (subtitle:string) body =
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{|<!DOCTYPE HTML>|}
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^ {|<html><head><title>|}
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^ subtitle ^ " | " ^ title
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^ {|</title><link rel="stylesheet" href="main.css">|}
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^ {|<link rel="alternate" href="feed.atom" type="application/atom+xml">|}
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^ {|<meta charset="utf-8"/>|}
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^ {|<meta name="viewport" content="width=device-width, initial-scale=1.0">|}
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^ {|</head><body><header><a href=".">|} ^ title
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^ {|</a> <nav><a href="feed.atom" id="feed">feed</a></nav></header>|} ^ body
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^ "</body></html>"
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let topic_link root topic =
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let replaced_space = String.map (function ' '->'+' | x->x) in
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{|<a href="index.|} ^ root ^ {|.htm#|} ^ replaced_space topic ^ {|">|}
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^ String.capitalize_ascii topic ^ "</a>"
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let page archive_title text =
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let open Logarion in
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let open Text in
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let module T = Parsers.Plain_text.Make (Converter.Html) in
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let sep_append ?(sep=", ") a x = match a,x with "",_ -> x | _, "" -> a | _ -> a ^ sep ^ x in
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let opt_kv key value = if String.length value > 0 then "<dt>" ^ key ^ "<dd>" ^ value else "" in
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(* let author acc auth = sep_append acc Person.(auth.name ^ " ") in*)
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let authors = (Person.Set.to_string text.authors ^ " ") in
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let keywords = str_set "keywords" text in
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let header =
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let time x = {|<time datetime="|} ^ x ^ {|">|} ^ x ^ "</time>" in
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let topic_links x =
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let to_linked t a =
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let ts = Topic_set.of_string t in
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sep_append a (List.fold_left (fun a t -> sep_append ~sep:" > " a (topic_link (List.hd ts) t)) "" ts) in
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String_set.fold to_linked x "" in
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"<article><header><dl>"
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^ opt_kv "Title:" text.title
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^ opt_kv "Authors:" authors
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^ opt_kv "Date: " (time (Date.(pretty_date @@ listing text.date)))
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^ opt_kv "Series: " (str_set "series" text)
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^ opt_kv "Topics: " (topic_links (set "topics" text))
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^ opt_kv "Keywords: " keywords
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^ opt_kv "Id: " (Id.to_string text.uuid)
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^ {|</dl></header><pre style="white-space:pre-wrap">|} in
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wrap archive_title text.title ((T.of_string text.body header) ^ "</pre></article>")
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let to_dated_links ?(limit) meta_list =
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let meta_list = match limit with
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| None -> meta_list
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| Some limit->
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let rec reduced acc i = function
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| [] -> acc
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| h::t -> if i < limit then reduced (h::acc) (i+1) t else acc in
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List.rev @@ reduced [] 0 meta_list
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in
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List.fold_left
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(fun a m ->
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a ^ Logarion.(Date.(pretty_date (listing m.Text.date)) ^ " ")
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^ {|<a href="|} ^ Logarion.Text.short_id m ^ {|.htm">|} ^ m.Logarion.Text.title ^ "</a><br>")
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"" meta_list
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let date_index ?(limit) title meta_list =
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match limit with
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| Some limit -> wrap title "Index" (to_dated_links ~limit meta_list)
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| None -> wrap title "Index" (to_dated_links meta_list)
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let fold_topic_roots topic_roots =
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let list_item root t = "<li>" ^ topic_link root t in
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"<nav><h2>Main topics</h2>"
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^ List.fold_left (fun a x -> a ^ list_item x x) "<ul>" (List.rev topic_roots)
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^ "</ul></nav>"
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let fold_topics topic_map topic_roots metas =
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let open Logarion in
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let rec unordered_list root topic =
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List.fold_left (fun a x -> a ^ list_item root x) "<ul>" topic
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^ "</ul>"
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and sub_items root topic = match Topic_set.Map.find_opt topic topic_map with
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| None -> ""
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| Some (_, subtopics) -> unordered_list root (String_set.elements subtopics)
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and list_item root t =
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let item =
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if List.exists (fun x -> String_set.mem t (String_set.map Topic_set.topic (Text.set "topics" x))) metas
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then topic_link root t else String.capitalize_ascii t
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in
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"<li>" ^ item ^ sub_items root t
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in
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"<nav><h2>Topics</h2>"
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^ List.fold_left (fun a x -> a ^ list_item x x) "<ul>" (List.rev topic_roots)
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^ "</ul></nav>"
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let text_item path meta =
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let open Logarion in
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"<time>" ^ Date.(pretty_date (listing meta.Text.date))
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^ {|</time> <a href="|} ^ path ^ Text.short_id meta ^ {|.htm">|} ^ meta.Text.title
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^ "</a><br>"
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let listing_index topic_map topic_roots path metas =
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let rec item_group topics =
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List.fold_left (fun acc topic -> acc ^ sub_groups topic ^ items topic) "" topics
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and sub_groups topic = match Logarion.Topic_set.Map.find_opt topic topic_map with
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| None -> ""
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| Some (_, subtopics) -> item_group (Logarion.String_set.elements subtopics)
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and items topic =
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let items =
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let open Logarion in
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List.fold_left
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(fun a e ->
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if String_set.mem topic (String_set.map (Logarion.Topic_set.topic) (Text.set "Topics" e))
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then text_item path e ^ a else a) "" metas in
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match items with
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| "" -> ""
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| x -> {|<h2 id="|} ^ topic ^ {|">|} ^ String.capitalize_ascii topic ^ "</h2>" ^ x
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in
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"<nav><h1>Texts</h1>" ^ item_group topic_roots ^ "</nav>"
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let topic_main_index title topic_roots metas =
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wrap title "Topics"
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(fold_topic_roots topic_roots
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^ "<nav><h1>Latest</h1>" ^ to_dated_links ~limit:10 metas
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^ {|<a href="index.date.htm">More by date</a></nav>|} )
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let topic_sub_index title topic_map topic_root metas =
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wrap title topic_root
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(fold_topics topic_map [topic_root] metas
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(* ^ {|<a href=".atom" id="feed">|}^ String.capitalize_ascii topic_root ^{| feed </a>|}*)
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^ listing_index topic_map [topic_root] "" metas)
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