| 1 | type templates_t = { header: string option; footer: string option }
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| 2 | type t = { templates : templates_t; style : string }
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| 3 |
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| 4 | let ext = ".htm"
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| 5 | let empty_templates = { header = None; footer = None }
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| 6 | let default_opts = { templates = empty_templates; style = "" }
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| 7 |
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| 8 | let init kv =
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| 9 | let open Logarion in
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| 10 | let to_string key kv = match Store.KV.find key kv with
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| 11 | | fname -> Some (File_store.to_string fname)
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| 12 | | exception Not_found -> None in
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| 13 | let header = to_string "HTM-header" kv in
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| 14 | let footer = to_string "HTM-footer" kv in
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| 15 | let style = match to_string "HTM-style" kv with
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| 16 | | Some s -> Printf.sprintf "<style>%s</style>" s | None -> "" in
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| 17 | { templates = { header; footer}; style }
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| 18 |
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| 19 | let wrap conv htm text_title body =
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| 20 | let site_title = try Logarion.Store.KV.find "Title" conv.Conversion.kv with Not_found -> "" in
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| 21 | let replace x = let open Str in
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| 22 | global_replace (regexp "{{archive-title}}") site_title x
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| 23 | |> global_replace (regexp "{{text-title}}") text_title
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| 24 | in
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| 25 | let feed = try Logarion.Store.KV.find "HTM-feed" conv.Conversion.kv
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| 26 | with Not_found -> if Sys.file_exists (Filename.concat conv.Conversion.dir "feed.atom")
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| 27 | then "feed.atom" else "" in
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| 28 | let header = match htm.templates.header with
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| 29 | | Some x -> replace x
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| 30 | | None -> Printf.(sprintf "<a href='.'>%s</a>%s" site_title
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| 31 | (if feed <> "" then sprintf "<a href='%s' id='feed'>feed</a>" feed else ""))
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| 32 | in
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| 33 | let footer = match htm.templates.footer with None -> "" | Some x -> replace x in
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| 34 | Printf.sprintf "<!DOCTYPE HTML PUBLIC \"//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\"><html><head><title>%s%s</title>\n%s\n%s\
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| 35 | <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\"></head><body>\n%s%s%s</body></html>"
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| 36 | text_title (if site_title <> "" then (" • " ^ site_title) else "")
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| 37 | htm.style
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| 38 | (if feed <> "" then Printf.sprintf "<link rel='alternate' href='%s' type='application/atom+xml'>" feed else "")
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| 39 | header body footer
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| 40 |
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| 41 | let topic_link root topic =
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| 42 | let replaced_space = String.map (function ' '->'+' | x->x) in
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| 43 | "<a href='index." ^ root ^ ".htm#" ^ replaced_space topic ^ "'>"
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| 44 | ^ String.capitalize_ascii topic ^ "</a>"
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| 45 |
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| 46 | module HtmlConverter = struct
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| 47 | include Converter.Html
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| 48 | let uid_uri u a = Printf.sprintf "%s<a href='%s%s'><%s></a>" a u ext u
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| 49 | let angled_uri u a =
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| 50 | if try String.sub u 0 10 = "urn:txtid:" with Invalid_argument _ -> false
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| 51 | then angled_uri (String.(sub u 10 (length u - 10)) ^ ext) a else angled_uri u a
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| 52 | end
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| 53 |
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| 54 | let page htm conversion text =
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| 55 | let open Logarion in
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| 56 | let open Text in
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| 57 | let module T = Parsers.Plain_text.Make (HtmlConverter) in
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| 58 | let sep_append ?(sep=", ") a x = match a,x with "",_ -> x | _, "" -> a | _ -> a ^ sep ^ x in
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| 59 | let opt_kv key value = if String.length value > 0
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| 60 | then "<dt>" ^ key ^ "<dd>" ^ value else "" in
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| 61 | (* let author acc auth = sep_append acc Person.(auth.name ^ " ") in*)
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| 62 | let authors = Person.Set.to_string text.authors in
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| 63 | let header =
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| 64 | let time x = Printf.sprintf {|<span class="%s">%s</span>|}
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| 65 | (Date.rfc_string x) (Date.pretty_date x) in
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| 66 | let topic_links x =
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| 67 | let to_linked t a =
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| 68 | let ts = Topic_set.of_string t in
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| 69 | 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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| 70 | String_set.fold to_linked x "" in
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| 71 | let ref_links x =
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| 72 | let link l = HtmlConverter.uid_uri l "" in
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| 73 | String_set.fold (fun r a -> sep_append a (link r)) x ""
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| 74 | in
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| 75 | let references, replies = let open Conversion in
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| 76 | let Rel.{ref_set; rep_set; _} =
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| 77 | try Rel.Id_map.find text.id conversion.relations
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| 78 | with Not_found -> Rel.empty in
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| 79 | ref_links ref_set, ref_links rep_set
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| 80 | in
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| 81 | "<dl>"
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| 82 | ^ opt_kv "Title:" text.title
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| 83 | ^ opt_kv "Authors:" authors
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| 84 | ^ opt_kv "Date:" (time (Date.listing text.date))
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| 85 | ^ opt_kv "Series:" (str_set "series" text)
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| 86 | ^ opt_kv "Topics:" (topic_links (set "topics" text))
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| 87 | ^ opt_kv "Id:" text.id
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| 88 | ^ opt_kv "Refers:" (ref_links (set "references" text))
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| 89 | ^ opt_kv "In reply to:" (ref_links (set "in-reply-to" text))
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| 90 | ^ opt_kv "Referred by:" references
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| 91 | ^ opt_kv "Replies:" replies
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| 92 | ^ {|</dl><pre style="white-space:pre-wrap">|} in
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| 93 | wrap conversion htm text.title ((T.of_string text.body header) ^ "</pre>")
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| 94 |
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| 95 | let to_dated_links ?(limit) meta_list =
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| 96 | let meta_list = match limit with
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| 97 | | None -> meta_list
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| 98 | | Some limit->
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| 99 | let rec reduced acc i = function
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| 100 | | [] -> acc
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| 101 | | h::t -> if i < limit then reduced (h::acc) (i+1) t else acc in
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| 102 | List.rev @@ reduced [] 0 meta_list
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| 103 | in
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| 104 | List.fold_left
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| 105 | (fun a m -> Printf.sprintf "%s<li> %s <a href=\"%s.htm\">%s</a>" a
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| 106 | Logarion.(Date.(pretty_date (listing m.Text.date)))
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| 107 | (Logarion.Text.short_id m) m.Logarion.Text.title)
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| 108 | "" meta_list
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| 109 |
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| 110 | let date_index ?(limit) conv htm meta_list =
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| 111 | match limit with
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| 112 | | Some limit -> wrap conv htm "Index" (to_dated_links ~limit meta_list)
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| 113 | | None -> wrap conv htm "Index" (to_dated_links meta_list)
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| 114 |
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| 115 | let fold_topic_roots topic_roots =
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| 116 | let list_item root t = "<li>" ^ topic_link root t in
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| 117 | "<h2>Main topics</h2>"
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| 118 | ^ List.fold_left (fun a x -> a ^ list_item x x) "<ul>" (List.rev topic_roots)
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| 119 | ^ "</ul>"
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| 120 |
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| 121 | let fold_topics topic_map topic_roots metas =
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| 122 | let open Logarion in
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| 123 | let rec unordered_list root topic =
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| 124 | List.fold_left (fun a x -> a ^ list_item root x) "<ul>" topic
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| 125 | ^ "</ul>"
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| 126 | and sub_items root topic = match Topic_set.Map.find_opt topic topic_map with
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| 127 | | None -> ""
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| 128 | | Some (_, subtopics) -> unordered_list root (String_set.elements subtopics)
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| 129 | and list_item root t =
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| 130 | let item =
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| 131 | if List.exists (fun x -> String_set.mem t (String_set.map Topic_set.topic (Text.set "topics" x))) metas
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| 132 | then topic_link root t else String.capitalize_ascii t
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| 133 | in
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| 134 | "<li>" ^ item ^ sub_items root t
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| 135 | in
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| 136 | "<h2>Topics</h2>"
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| 137 | ^ List.fold_left (fun a x -> a ^ list_item x x) "<ul>" (List.rev topic_roots)
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| 138 | ^ "</ul>"
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| 139 |
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| 140 | let text_item path meta =
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| 141 | let open Logarion in
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| 142 | "<span>" ^ Date.(pretty_date (listing meta.Text.date))
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| 143 | ^ {|</span> <a href="|} ^ path ^ Text.short_id meta ^ {|.htm">|} ^ meta.Text.title
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| 144 | ^ "</a><br>"
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| 145 |
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| 146 | let listing_index topic_map topic_roots path metas =
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| 147 | let rec item_group topics =
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| 148 | List.fold_left (fun acc topic -> acc ^ sub_groups topic ^ items topic) "" topics
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| 149 | and sub_groups topic = match Logarion.Topic_set.Map.find_opt topic topic_map with
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| 150 | | None -> ""
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| 151 | | Some (_, subtopics) -> item_group (Logarion.String_set.elements subtopics)
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| 152 | and items topic =
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| 153 | let items =
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| 154 | let open Logarion in
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| 155 | List.fold_left
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| 156 | (fun a e ->
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| 157 | if String_set.mem topic (String_set.map (Logarion.Topic_set.topic) (Text.set "Topics" e))
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| 158 | then text_item path e ^ a else a) "" metas in
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| 159 | match items with
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| 160 | | "" -> ""
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| 161 | | x -> {|<h2 id="|} ^ topic ^ {|">|} ^ String.capitalize_ascii topic ^ "</h2>" ^ x
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| 162 | in
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| 163 | "<h1>Texts</h1>" ^ item_group topic_roots ^ ""
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| 164 |
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| 165 | let topic_main_index conv htm topic_roots metas =
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| 166 | wrap conv htm "Topics"
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| 167 | (fold_topic_roots topic_roots
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| 168 | ^ "<h1>Latest</h1><ul>" ^ to_dated_links ~limit:8 metas
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| 169 | ^ {|</ul><a href="index.date.htm">More by date</a>|}
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| 170 | ^ let peers = try Logarion.Store.KV.find "Peers" conv.kv with Not_found -> "" in
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| 171 | (if peers = "" then "" else
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| 172 | List.fold_left (fun a s -> Printf.sprintf {|%s<li><a href="%s">%s</a>|} a s s) "<h1>Peers</h1><ul>"
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| 173 | (Str.split (Str.regexp ";\n") (Logarion.Store.KV.find "Peers" conv.kv))
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| 174 | ^ "</ul>"))
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| 175 |
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| 176 | let topic_sub_index conv htm topic_map topic_root metas =
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| 177 | wrap conv htm topic_root
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| 178 | (fold_topics topic_map [topic_root] metas
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| 179 | (* ^ {|<a href=".atom" id="feed">|}^ String.capitalize_ascii topic_root ^{| feed </a>|}*)
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| 180 | ^ listing_index topic_map [topic_root] "" metas)
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| 181 |
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| 182 | let indices htm c =
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| 183 | let file name = Logarion.File_store.file (Filename.concat c.Conversion.dir name) in
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| 184 | let index_name = try Logarion.Store.KV.find "HTM-index" c.Conversion.kv with Not_found -> "index.html" in
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| 185 | if index_name <> "" then file index_name (topic_main_index c htm c.topic_roots c.texts);
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| 186 | file "index.date.htm" (date_index c htm c.texts);
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| 187 | List.iter
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| 188 | (fun root -> file ("index." ^ root ^ ".htm") (topic_sub_index c htm c.topics root c.texts))
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| 189 | c.topic_roots
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| 190 |
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| 191 | let converter kv =
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| 192 | let htm = init kv in
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| 193 | Conversion.{ ext; page = Some (page htm); indices = Some (indices htm) }
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