| 1 | let ext = ".atom"
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| 2 |
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| 3 | let esc = Converter.Html.esc
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| 4 |
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| 5 | let element tag content = "<" ^ tag ^ ">" ^ content ^ "</" ^ tag ^ ">"
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| 6 |
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| 7 | let opt_element tag_name content =
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| 8 | if content <> ""
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| 9 | then element tag_name content
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| 10 | else ""
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| 11 |
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| 12 | module P = Parsers.Plain_text.Make (Converter.Html)
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| 13 |
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| 14 | let id txt = "<id>urn:txtid:" ^ Logarion.(txt.Text.id) ^ "</id>\n"
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| 15 | let title text = "<title>" ^ esc text.Logarion.Text.title ^ "</title>\n"
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| 16 |
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| 17 | let authors text =
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| 18 | let u acc addr = acc ^ element "uri" addr in
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| 19 | let open Logarion in
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| 20 | let fn txt a =
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| 21 | a ^ "<author>" ^ (opt_element "name" @@ esc txt.Person.name)
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| 22 | ^ (List.fold_left u "" txt.Person.addresses)
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| 23 | ^ "</author>\n" in
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| 24 | Person.Set.fold fn text.Text.authors ""
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| 25 |
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| 26 | let updated txt = let open Logarion in
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| 27 | "<updated>"^ Date.(txt.Text.date |> listing |> rfc_string) ^"</updated>\n"
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| 28 |
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| 29 | let htm_entry base_url text =
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| 30 | let open Logarion in
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| 31 | let u = Text.short_id text in
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| 32 | "<entry>\n<link rel=\"alternate\" href=\"" ^ base_url ^ "/" ^ u ^ ".htm\" />\n"
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| 33 | ^ title text ^ id text ^ updated text ^ authors text
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| 34 | ^ (opt_element "summary" @@ esc @@ Text.str "abstract" text)
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| 35 | ^ String_set.fold (fun elt a -> a ^ "<category term=\"" ^ esc elt ^ "\"/>\n") (Text.set "topics" text) ""
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| 36 | ^ "</entry>\n"
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| 37 |
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| 38 | let gmi_entry base_url text =
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| 39 | let open Logarion in
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| 40 | let u = Text.short_id text in
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| 41 | "<entry>\n<link rel=\"alternate\" href=\"" ^ base_url ^ "/" ^ u ^ ".gmi\" />\n"
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| 42 | ^ title text ^ id text ^ updated text ^ authors text
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| 43 | ^ (opt_element "summary" @@ esc @@ Text.str "abstract" text)
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| 44 | ^ String_set.fold (fun elt a -> a ^ "<category term=\"" ^ elt ^ "\"/>\n") (Text.set "topics" text) ""
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| 45 | ^ "</entry>\n"
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| 46 |
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| 47 | let base_url kv protocol = try
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| 48 | let locs = Logarion.Store.KV.find "Locations" kv in
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| 49 | let _i = Str.(search_forward (regexp (protocol ^ "://[^;]*")) locs 0) in
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| 50 | Str.(matched_string locs)
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| 51 | with Not_found -> Printf.eprintf "Missing location for %s, add it to txt.conf\n" protocol; ""
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| 52 |
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| 53 | let indices alternate_type c =
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| 54 | let file name = Logarion.File_store.file (Filename.concat c.Conversion.dir name) in
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| 55 | let title = try Logarion.Store.KV.find "Title" c.Conversion.kv with Not_found -> "" in
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| 56 | let entry, fname, protocol_regexp = match alternate_type with
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| 57 | | "text/gemini" -> gmi_entry, "gmi.atom", "gemini"
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| 58 | | "text/html" | _ -> htm_entry, "feed.atom", "https?"
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| 59 | in
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| 60 | let base_url = base_url c.kv protocol_regexp in
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| 61 | let self = Filename.concat base_url fname in
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| 62 | file fname @@ (*TODO: alternate & self per url*)
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| 63 | {|<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:base="|} ^ base_url ^ {|"><title>|}
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| 64 | ^ title ^ {|</title><link rel="alternate" type="|} ^ alternate_type ^ {|" href="|}
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| 65 | ^ base_url ^ {|/" /><link rel="self" type="application/atom+xml" href="|}
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| 66 | ^ self ^ {|" /><id>urn:txtid:|} ^ c.Conversion.id ^ "</id><updated>"
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| 67 | ^ Logarion.Date.now () ^ "</updated>\n"
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| 68 | ^ List.fold_left (fun acc t -> acc ^ entry base_url t) "" c.texts
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| 69 | ^ "</feed>"
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| 70 |
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| 71 | let converter format = Conversion.{ ext; page = None; indices = Some (indices format) }
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