mirror of
https://github.com/logseq/logseq.git
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594 lines
23 KiB
Clojure
594 lines
23 KiB
Clojure
(ns frontend.format.block
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(:require [frontend.util :as util :refer-macros [profile]]
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[clojure.walk :as walk]
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[clojure.string :as string]
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[frontend.format :as format]
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[frontend.utf8 :as utf8]
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[medley.core :as medley]
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[frontend.config :as config]
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[datascript.core :as d]
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[frontend.date :as date]
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[frontend.text :as text]
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[medley.core :as medley]
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[frontend.state :as state]
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[frontend.db :as db]))
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(defn heading-block?
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[block]
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(and
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(vector? block)
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(= "Heading" (first block))))
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(defn get-tag
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[block]
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(and (vector? block)
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(= "Tag" (first block))
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(second block)))
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(defn get-page-reference
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[block]
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(let [page (cond
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(and (vector? block) (= "Link" (first block)))
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(let [typ (first (:url (second block)))]
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;; {:url ["File" "file:../pages/hello_world.org"], :label [["Plain" "hello world"]], :title nil}
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(or
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(and
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(= typ "Search")
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;; FIXME: alert error
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(not (contains? #{\# \* \/ \[} (first (second (:url (second block))))))
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(let [page (second (:url (second block)))
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ext (some-> (util/get-file-ext page) keyword)]
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(when (and (not (util/starts-with? page "http:"))
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(not (util/starts-with? page "https:"))
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(not (util/starts-with? page "file:"))
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(or (= ext :excalidraw) (not (contains? (config/supported-formats) ext))))
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page)))
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(and
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(= typ "Complex")
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(= (:protocol (second (:url (second block)))) "file")
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(:link (second (:url (second block)))))
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(and
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(= typ "File")
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(second (first (:label (second block)))))))
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(and (vector? block) (= "Nested_link" (first block)))
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(let [content (:content (last block))]
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(subs content 2 (- (count content) 2)))
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(and (vector? block)
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(= "Macro" (first block)))
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(let [{:keys [name arguments]} (second block)]
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(let [argument (string/join ", " arguments)]
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(when (and (= name "embed")
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(string? argument)
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(text/page-ref? argument))
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(text/page-ref-un-brackets! argument))))
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(and (vector? block)
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(= "Tag" (first block)))
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(let [text (second block)]
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(when (and
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(string? text)
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(text/page-ref? text))
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(text/page-ref-un-brackets! text)))
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:else
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nil)]
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(cond
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(and
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(string? page)
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(text/block-ref? page))
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(text/block-ref-un-brackets! page)
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(and
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(string? page)
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(not (string/blank? page)))
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(string/trim page)
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:else
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nil)))
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(defn get-block-reference
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[block]
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(when-let [block-id (cond
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(and (vector? block)
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(= "Block_reference" (first block)))
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(last block)
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(and (vector? block)
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(= "Macro" (first block)))
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(let [{:keys [name arguments]} (second block)]
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(when (and (= name "embed")
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(string? (first arguments))
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(string/starts-with? (first arguments) "((")
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(string/ends-with? (first arguments) "))"))
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(subs (first arguments) 2 (- (count (first arguments)) 2))))
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(and (vector? block)
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(= "Link" (first block))
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(map? (second block))
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(= "id" (:protocol (second (:url (second block))))))
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(:link (second (:url (second block))))
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:else
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nil)]
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(when (and block-id
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(util/uuid-string? block-id))
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block-id)))
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;; FIXME:
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(defn extract-title
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[block]
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(-> (:title (second block))
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first
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second))
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(defn paragraph-block?
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[block]
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(and
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(vector? block)
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(= "Paragraph" (first block))))
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(defn hiccup-block?
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[block]
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(and
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(vector? block)
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(= "Hiccup" (first block))))
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(defn timestamp-block?
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[block]
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(and
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(vector? block)
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(= "Timestamp" (first block))))
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(defn properties-block?
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[block]
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(and
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(vector? block)
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(= "Property_Drawer" (first block))))
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(defn definition-list-block?
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[block]
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(and
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(vector? block)
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(= "List" (first block))
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(:name (first (second block)))))
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(defonce non-parsing-properties
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(atom #{"background-color" "background_color"}))
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(defn extract-properties
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[[_ properties] _start-pos _end-pos]
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(let [properties (into {} properties)
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page-refs (->>
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(map (fn [v]
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(when (string? v)
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(let [page-refs (->> (re-seq text/page-ref-re v)
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(map second))
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tags (->> (string/split v #",")
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(filter (fn [s] (= \# (first s))))
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(map (fn [s] (subs s 1))))]
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(concat page-refs tags))))
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(vals properties))
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(apply concat)
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(remove string/blank?))
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properties (->> properties
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(medley/map-kv (fn [k v]
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(let [v (string/trim v)
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k (string/replace k " " "-")
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k (string/replace k "_" "-")
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k (string/lower-case k)
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v (cond
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(= v "true")
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true
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(= v "false")
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false
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(re-find #"^\d+$" v)
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(util/safe-parse-int v)
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(and (= "\"" (first v) (last v))) ; wrapped in ""
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(string/trim (subs v 1 (dec (count v))))
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(contains? @non-parsing-properties (string/lower-case k))
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v
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:else
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(let [v' v
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;; built-in collections
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comma? (contains? #{"tags" "alias"} k)]
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(if (and k v'
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(contains? config/markers k)
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(util/safe-parse-int v'))
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(util/safe-parse-int v')
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(text/split-page-refs-without-brackets v' comma?))))]
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[(keyword k) v]))))]
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{:properties properties
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:page-refs page-refs}))
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(defn- paragraph-timestamp-block?
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[block]
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(and (paragraph-block? block)
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(timestamp-block? (first (second block)))))
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(defn extract-timestamps
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[block]
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(some->>
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(second block)
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(filter timestamp-block?)
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(map last)
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(into {})))
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;; {"Deadline" {:date {:year 2020, :month 10, :day 20}, :wday "Tue", :time {:hour 8, :min 0}, :repetition [["DoublePlus"] ["Day"] 1], :active true}}
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(defn timestamps->scheduled-and-deadline
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[timestamps]
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(let [timestamps (medley/map-keys (comp keyword string/lower-case) timestamps)
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m (some->> (select-keys timestamps [:scheduled :deadline])
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(map (fn [[k v]]
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(let [{:keys [date repetition]} v
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{:keys [year month day]} date
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day (js/parseInt (str year (util/zero-pad month) (util/zero-pad day)))]
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(cond->
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(case k
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:scheduled
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{:scheduled day
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:scheduled-ast v}
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:deadline
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{:deadline day
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:deadline-ast v})
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repetition
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(assoc :repeated? true))))))]
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(apply merge m)))
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(defn convert-page-if-journal
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"Convert journal file name to user' custom date format"
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[original-page-name]
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(let [page-name (string/lower-case original-page-name)
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day (date/journal-title->int page-name)]
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(if day
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(let [original-page-name (date/int->journal-title day)]
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[original-page-name (string/lower-case original-page-name) day])
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[original-page-name page-name day])))
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(defn page-name->map
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[original-page-name with-id?]
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(when original-page-name
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(let [[original-page-name page-name journal-day] (convert-page-if-journal original-page-name)
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m (merge
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{:block/name page-name
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:block/original-name original-page-name}
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(when with-id?
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(if-let [block (db/entity [:block/name page-name])]
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{}
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{:block/uuid (db/new-block-id)})))]
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(if journal-day
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(merge m
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{:block/journal? true
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:block/journal-day journal-day})
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(assoc m :block/journal? false)))))
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(defn with-page-refs
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[{:keys [title body tags refs] :as block} with-id?]
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(let [refs (->> (concat tags refs)
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(remove string/blank?)
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(distinct))
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refs (atom refs)]
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(walk/postwalk
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(fn [form]
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(when-let [page (get-page-reference form)]
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(swap! refs conj page))
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(when-let [tag (get-tag form)]
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(when (util/tag-valid? tag)
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(swap! refs conj tag)))
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form)
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(concat title body))
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(let [refs (remove string/blank? @refs)
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children-pages (->> (mapcat (fn [p]
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(when (and (string/includes? p "/")
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(not (string/starts-with? p "../"))
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(not (string/starts-with? p "./"))
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(not (string/starts-with? p "http")))
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;; Don't create the last page for now
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(butlast (string/split p #"/"))))
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refs)
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(remove string/blank?))
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refs (->> (distinct (concat refs children-pages))
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(remove nil?))
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refs (map (fn [ref] (page-name->map ref with-id?)) refs)]
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(assoc block :refs refs))))
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(defn with-block-refs
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[{:keys [title body] :as block}]
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(let [ref-blocks (atom nil)]
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(walk/postwalk
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(fn [form]
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(when-let [block (get-block-reference form)]
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(swap! ref-blocks conj block))
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form)
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(concat title body))
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(let [ref-blocks (->> @ref-blocks
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(filter util/uuid-string?))
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ref-blocks (map
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(fn [id]
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[:block/uuid (medley/uuid id)])
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ref-blocks)
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refs (distinct (concat (:refs block) ref-blocks))]
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(assoc block :refs refs))))
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(defn update-src-pos-meta!
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[{:keys [body] :as block}]
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(let [body (walk/postwalk
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(fn [form]
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(if (and (vector? form)
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(= (first form) "Src")
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(map? (:pos_meta (second form))))
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(let [{:keys [start_pos end_pos]} (:pos_meta (second form))
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new_start_pos (- start_pos (get-in block [:meta :start-pos]))]
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["Src" (assoc (second form)
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:pos_meta {:start_pos new_start_pos
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:end_pos (+ new_start_pos (- end_pos start_pos))})])
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form))
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body)]
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(assoc block :body body)))
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(defn block-keywordize
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[block]
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(medley/map-keys
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(fn [k]
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(if (namespace k)
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k
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(keyword "block" k)))
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block))
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(defn safe-blocks
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[blocks]
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(map (fn [block]
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(if (map? block)
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(block-keywordize (util/remove-nils block))
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block))
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blocks))
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(defn with-path-refs
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[blocks]
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(loop [blocks blocks
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acc []
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parents []]
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(if (empty? blocks)
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acc
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(let [block (first blocks)
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cur-level (:block/level block)
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level-diff (- cur-level
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(get (last parents) :block/level 0))
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[path-refs parents]
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(cond
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(zero? level-diff) ; sibling
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(let [path-refs (mapcat :block/refs (drop-last parents))
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parents (conj (vec (butlast parents)) block)]
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[path-refs parents])
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(> level-diff 0) ; child
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(let [path-refs (mapcat :block/refs parents)]
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[path-refs (conj parents block)])
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(< level-diff 0) ; new parent
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(let [parents (vec (take-while (fn [p] (< (:block/level p) cur-level)) parents))
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path-refs (mapcat :block/refs parents)]
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[path-refs (conj parents block)]))
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path-ref-pages (->> path-refs
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(concat (:block/refs block))
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(map (fn [ref]
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(cond
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(map? ref)
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(:block/name ref)
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:else
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ref)))
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(remove string/blank?)
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(map (fn [ref]
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(if (string? ref)
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{:block/name (string/lower-case ref)}
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ref)))
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(remove vector?)
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(distinct))]
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(recur (rest blocks)
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(conj acc (assoc block :block/path-refs path-ref-pages))
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parents)))))
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(defn block-tags->pages
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[{:keys [tags] :as block}]
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(if (seq tags)
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(assoc block :tags (map (fn [tag]
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[:block/name (string/lower-case tag)]) tags))
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block))
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(defn extract-blocks
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[blocks content with-id? format]
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(let [encoded-content (utf8/encode content)
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last-pos (utf8/length encoded-content)
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pre-block-body (atom nil)
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blocks
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(loop [headings []
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block-body []
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blocks (reverse blocks)
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timestamps {}
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properties {}
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last-pos last-pos
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last-level 1000
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children []]
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(if (seq blocks)
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(let [[block {:keys [start_pos end_pos]}] (first blocks)
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unordered? (:unordered (second block))
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markdown-heading? (and (false? unordered?) (= :markdown format))]
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(cond
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(paragraph-timestamp-block? block)
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(let [timestamps (extract-timestamps block)
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timestamps' (merge timestamps timestamps)
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other-body (->> (second block)
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(drop-while #(= ["Break_Line"] %)))]
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(recur headings (conj block-body ["Paragraph" other-body]) (rest blocks) timestamps' properties last-pos last-level children))
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(properties-block? block)
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(let [properties (extract-properties block start_pos end_pos)]
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(recur headings block-body (rest blocks) timestamps properties last-pos last-level children))
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(heading-block? block)
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(let [id (or (when-let [custom-id (or (get-in properties [:properties :custom-id])
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(get-in properties [:properties :custom_id])
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(get-in properties [:properties :id]))]
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(let [custom-id (string/trim custom-id)]
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(when (util/uuid-string? custom-id)
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(uuid custom-id))))
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(db/new-block-id))
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ref-pages-in-properties (->> (:page-refs properties)
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(remove string/blank?))
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block (second block)
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block (if markdown-heading?
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(assoc block
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:type :heading
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:level 1
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:heading-level (:level block))
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block)
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level (:level block)
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[children current-block-children]
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(cond
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(< level last-level)
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(let [current-block-children (set (->> (filter #(< level (second %)) children)
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(map first)
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(map (fn [id]
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[:block/uuid id]))))
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others (vec (remove #(< level (second %)) children))]
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[(conj others [id level])
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current-block-children])
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(>= level last-level)
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[(conj children [id level])
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#{}])
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block (-> (assoc block
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:uuid id
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:body (vec (reverse block-body))
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:properties (:properties properties)
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:refs ref-pages-in-properties
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:children (or current-block-children []))
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(assoc-in [:meta :start-pos] start_pos)
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(assoc-in [:meta :end-pos] last-pos))
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block (if (seq timestamps)
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(merge block (timestamps->scheduled-and-deadline timestamps))
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block)
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block (-> block
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(with-page-refs with-id?)
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with-block-refs
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block-tags->pages
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update-src-pos-meta!)
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last-pos' (get-in block [:meta :start-pos])]
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(recur (conj headings block) [] (rest blocks) {} {} last-pos' (:level block) children))
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:else
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(let [block-body' (conj block-body block)]
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(recur headings block-body' (rest blocks) timestamps properties last-pos last-level children))))
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(do
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(when (seq block-body)
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(reset! pre-block-body (reverse block-body)))
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(-> (reverse headings)
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safe-blocks))))]
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(let [first-block (first blocks)
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first-block-start-pos (get-in first-block [:block/meta :start-pos])
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blocks (if (seq @pre-block-body)
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(cons
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(merge
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(let [content (utf8/substring encoded-content 0 first-block-start-pos)]
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(->
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{:uuid (db/new-block-id)
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:content content
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:level 1
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:meta {:start-pos 0
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:end-pos (or first-block-start-pos
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(utf8/length encoded-content))}
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:body @pre-block-body
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:pre-block? true}
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(block-keywordize)))
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(select-keys first-block [:block/file :block/format :block/page]))
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blocks)
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blocks)]
|
|
(with-path-refs blocks))))
|
|
|
|
(defn with-parent-and-left
|
|
[page-id blocks]
|
|
(loop [blocks blocks
|
|
parents [{:page/id page-id ; db id or lookup ref [:block/name "xxx"]
|
|
:block/level 0}]
|
|
result []]
|
|
(if (empty? blocks)
|
|
result
|
|
(let [[block & others] blocks
|
|
cur-level (:block/level block)
|
|
{:block/keys [uuid level parent] :as last-parent} (last parents)
|
|
[blocks parents result]
|
|
(cond
|
|
(= cur-level level) ; sibling
|
|
(let [block (assoc block
|
|
:block/parent parent
|
|
:block/left [:block/uuid uuid])
|
|
parents' (conj (vec (butlast parents)) block)
|
|
result' (conj result block)]
|
|
[others parents' result'])
|
|
|
|
(> cur-level level) ; child
|
|
(let [parent (if uuid [:block/uuid uuid] (:page/id last-parent))
|
|
block (assoc block
|
|
:block/parent parent
|
|
:block/left parent)
|
|
parents' (conj parents block)
|
|
result' (conj result block)]
|
|
[others parents' result'])
|
|
|
|
(< cur-level level) ; outdent
|
|
(let [parents' (vec (filter (fn [p] (<= (:block/level p) cur-level)) parents))]
|
|
[blocks parents' result]))]
|
|
(recur blocks parents result)))))
|
|
|
|
(defn parse-block
|
|
([block]
|
|
(parse-block block nil))
|
|
([{:block/keys [uuid content meta file page parent left format] :as block} {:keys [with-id?]
|
|
:or {with-id? true}}]
|
|
(when-not (string/blank? content)
|
|
(let [block (dissoc block :block/pre-block?)
|
|
ast (format/to-edn content format nil)
|
|
new-block (first (extract-blocks ast content with-id? format))
|
|
parent-refs (->> (db/get-block-parent (state/get-current-repo) uuid)
|
|
:block/path-refs
|
|
(map :db/id))
|
|
{:block/keys [refs]} new-block
|
|
ref-pages (filter :block/name refs)
|
|
path-ref-pages (concat ref-pages parent-refs)
|
|
block (merge
|
|
block
|
|
new-block
|
|
{:block/path-refs path-ref-pages})]
|
|
(if uuid (assoc block :block/uuid uuid) block)))))
|
|
|
|
(defn macro-subs
|
|
[macro-content arguments]
|
|
(loop [s macro-content
|
|
args arguments
|
|
n 1]
|
|
(if (seq args)
|
|
(recur
|
|
(string/replace s (str "$" n) (first args))
|
|
(rest args)
|
|
(inc n))
|
|
s)))
|
|
|
|
(defn break-line-paragraph?
|
|
[[typ break-lines]]
|
|
(and (= typ "Paragraph")
|
|
(every? #(= % ["Break_Line"]) break-lines)))
|
|
|
|
(defn trim-break-lines!
|
|
[ast]
|
|
(drop-while break-line-paragraph? ast))
|