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-rw-r--r--src/pronouns/config.clj29
-rw-r--r--src/pronouns/pages.clj242
-rw-r--r--src/pronouns/util.clj120
-rw-r--r--src/pronouns/web.clj73
4 files changed, 347 insertions, 117 deletions
diff --git a/src/pronouns/config.clj b/src/pronouns/config.clj
new file mode 100644
index 0000000..e35ac7e
--- /dev/null
+++ b/src/pronouns/config.clj
@@ -0,0 +1,29 @@
+;; pronoun.is - a website for pronoun usage examples
+;; Copyright (C) 2014 - 2018 Morgan Astra
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU Affero General Public License as
+;; published by the Free Software Foundation, either version 3 of the
+;; License, or (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU Affero General Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
+
+(ns pronouns.config
+  (:require [pronouns.util :as u]))
+
+(def pronouns-table
+  (atom (u/slurp-tabfile "resources/pronouns.tab")))
+
+(defn replace-value [old new] new)
+
+(defn reload-table! []
+  (swap! pronouns-table
+         replace-value
+         (u/slurp-tabfile "resources/pronouns.tab")))
+
diff --git a/src/pronouns/pages.clj b/src/pronouns/pages.clj
index 8aed689..e629329 100644
--- a/src/pronouns/pages.clj
+++ b/src/pronouns/pages.clj
@@ -1,10 +1,42 @@
+;; pronoun.is - a website for pronoun usage examples
+;; Copyright (C) 2014 - 2018 Morgan Astra
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU Affero General Public License as
+;; published by the Free Software Foundation, either version 3 of the
+;; License, or (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU Affero General Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
+
 (ns pronouns.pages
-  (:require [clojure.string :as s]
-            [clojure.data.json :as json]
+  (:require [clojure.data.json :as json]
+            [clojure.string :as s]
+            [pronouns.config :refer [pronouns-table]]
             [pronouns.util :as u]
             [hiccup.core :refer :all]
+            [hiccup.element :as e]
             [hiccup.util :refer [escape-html]]))
 
+(defn prose-comma-list
+  [items]
+  (let [c (count items)]
+    (cond
+      (<= c 1) (or (first items) "")
+      (= c 2) (s/join " and " items)
+      :else (str (s/join ", " (butlast items)) ", and " (last items)))))
+
+(defn href
+  [url text]
+  [:a {:href url} text])
+
+;; FIXME morgan.astra <2018-11-14 Wed>
+;; use a div for this instead of a plain bold tag
 (defn wrap-pronoun
   [pronoun]
   [:b pronoun])
@@ -29,7 +61,9 @@
 
 (defn possessive-pronoun-example
   [possessive-pronoun]
-  (render-sentence "At least I think it was " (wrap-pronoun possessive-pronoun) "."))
+  (render-sentence "At least I think it was "
+                   (wrap-pronoun possessive-pronoun)
+                   "."))
 
 (defn reflexive-example
   [subject reflexive]
@@ -38,73 +72,92 @@
                    (wrap-pronoun reflexive)
                    "."))
 
-(defn title-block [title]
-  [:div {:class "title"}
-   [:h1 title]])
+(defn header-block [header]
+  [:div {:class "section title"}
+   (href "/" [:h1 header])])
 
 (defn examples-block
   [subject object possessive-determiner possessive-pronoun reflexive]
-  [:div {:class "examples"}
-   [:p [:h2 "Here are some usage examples for my pronouns:"]]
-   (subject-example subject)
-   (object-example object)
-   (posessive-determiner-example subject possessive-determiner)
-   (possessive-pronoun-example possessive-pronoun)
-   (reflexive-example subject reflexive)])
-
-(defn about-block []
-  [:div {:class "about"}
+  (let [sub-obj (s/join "/" [subject object])
+        header-str (str "Here are some example sentences using my "
+                        sub-obj
+                        " pronouns:")]
+    [:div {:class "section examples"}
+     [:h2 header-str]
+     [:p (subject-example subject)
+         (object-example object)
+         (posessive-determiner-example subject possessive-determiner)
+         (possessive-pronoun-example possessive-pronoun)
+         (reflexive-example subject reflexive)]]))
+
+(defn usage-block []
+  [:div {:class "section usage"}
    [:p "Full usage: "
-    [:tt "http://pronoun.is/subject-pronoun/object-pronoun/possessive-determiner/possessive-pronoun/reflexive"]
-    " displays examples of your pronouns."]
-   [:p "This is a bit unwieldy. If we have a good guess we'll let you use just the first one or two."]])
+    ;; FIXME morgan.astra <2018-11-14 Wed>
+    ;; This looks really ugly in the browser
+       [:tt "https://pronoun.is/subject-pronoun/object-pronoun/possessive-determiner/possessive-pronoun/reflexive"]
+       " displays examples of your pronouns."]
+   [:p "This is a bit unwieldy. If we have a good guess we'll let you use"
+       " just the first one or two."]])
 
 (defn contact-block []
-  (let [twitter-name (fn [handle] [:a {:href (str "https://www.twitter.com/" handle)} (str "@" handle)])]
-  [:div {:class "contact"}
-   [:p
-    "Written by "
-    (twitter-name "morganastra")
-    ", whose "
-    [:a {:href "http://pronoun.is/ze/zir"} "pronoun.is/ze/zir"]
-    ". "
-   "Visit the project on " [:a {:href "https://github.com/witch-house/pronoun.is"} "github!"]]]))
-
+  (let [twitter-name (fn [handle] (href (str "https://www.twitter.com/" handle)
+                                       (str "@" handle)))]
+    [:div {:class "section contact"}
+     [:p "Written by "
+         (twitter-name "morganastra")
+         ", whose "
+         (href "https://pronoun.is/she" "pronoun.is/she")]
+     [:p "pronoun.is is free software under the "
+         (href "https://www.gnu.org/licenses/agpl.html" "AGPLv3")
+         "! visit the project on "
+         (href "https://github.com/witch-house/pronoun.is" "github")]
+     [:p "<3"]]))
+
+(defn footer-block []
+  [:footer (usage-block) (contact-block)])
 
 (defn format-pronoun-examples
-  [subject object possessive-determiner possessive-pronoun reflexive]
-  (let [title "Pronoun Island: English Language Examples"]
-  (html
-   [:html
-    [:head
-     [:title title]
-     [:meta {:name "viewport" :content "width=device-width"}]
-     [:link {:rel "stylesheet" :href "/pronouns.css"}]]
-    [:body
-     (title-block title)
-     (examples-block subject object possessive-determiner possessive-pronoun reflexive)
-     (about-block)
-     (contact-block)]])))
-
-
-(defn format-pronoun-json [& pronouns]
-  (json/write-str pronouns))
-
+  [pronoun-declensions]
+  (let [sub-objs (map #(s/join "/" (take 2 %)) pronoun-declensions)
+        title (str "Pronoun Island: " (prose-comma-list sub-objs) " examples")
+        examples (map #(apply examples-block %) pronoun-declensions)]
+    (html
+     [:html
+      [:head
+       [:title title]
+       [:meta {:name "viewport" :content "width=device-width"}]
+       [:meta {:name "description" :content (u/strip-markup examples)}]
+       [:meta {:name "twitter:card" :content "summary"}]
+       [:meta {:name "twitter:title" :content title}]
+       [:meta {:name "twitter:description" :content (u/strip-markup examples)}]
+       [:link {:rel "stylesheet" :href "/pronouns.css"}]]
+      [:body
+       (header-block title)
+       examples
+       (footer-block)]])))
 
-(defn parse-pronouns-with-lookup [pronouns-string pronouns-table]
+(defn table-lookup* [pronouns-string]
   (let [inputs (s/split pronouns-string #"/")
         n (count inputs)]
     (if (>= n 5)
       (take 5 inputs)
-      (u/table-lookup inputs pronouns-table))))
+      (u/table-lookup inputs @pronouns-table))))
+
+(defn lookup-pronouns
+  "Given a seq of pronoun sets, look up each set in the pronouns table"
+  [pronoun-sets]
+  (->> pronoun-sets
+       (map (comp table-lookup* escape-html))
+       (filter some?)))
 
 (defn make-link [path]
   (let [link (str "/" path)
         label path]
-    [:li [:a {:href link} label]]))
+    [:li (href link label)]))
 
-(defn front [pronouns-table]
-  (let [abbreviations (u/abbreviate pronouns-table)
+(defn front []
+  (let [abbreviations (take 6 (u/abbreviate @pronouns-table))
         links (map make-link abbreviations)
         title "Pronoun Island"]
     (html
@@ -114,29 +167,72 @@
        [:meta {:name "viewport" :content "width=device-width"}]
        [:link {:rel "stylesheet" :href "/pronouns.css"}]]
       [:body
-       (title-block title)
-       [:div {:class "table"}
-       [:p "pronoun.is is a www site for showing people how to use pronouns in English."]
-       [:p "here are some pronouns the site knows about:"]
-       [:ul links]]]
-      (contact-block)])))
-
-(defn not-found []
-  (str "We couldn't find those pronouns in our database, please ask us to "
-       "add them, or issue a pull request at "
-       "https://github.com/witch-house/pronoun.is/blob/master/resources/pronouns.tab"))
+       (header-block title)
+       [:div {:class "section table"}
+        [:p "pronoun.is is a website for personal pronoun usage examples"]
+        [:p "here are some pronouns the site knows about:"]
+        [:ul links]
+        [:p [:small (href "all-pronouns" "see all pronouns in the database")]]]]
+      (footer-block)])))
+
+(defn all-pronouns []
+  (let [abbreviations (u/abbreviate @pronouns-table)
+        links (map make-link abbreviations)
+        title "Pronoun Island"]
+    (html
+     [:html
+      [:head
+       [:title title]
+       [:meta {:name "viewport" :content "width=device-width"}]
+       [:link {:rel "stylesheet" :href "/pronouns.css"}]]
+      [:body
+       (header-block title)
+       [:div {:class "section table"}
+        [:p "All pronouns the site knows about:"]
+        [:ul links]]]
+      (footer-block)])))
+
+(defn not-found [path]
+  (let [title "Pronoun Island: English Language Examples"
+        or-re #"/[oO][rR]/"]
+    (html
+     [:html
+      [:head
+       [:title title]
+       [:meta {:name "viewport" :content "width=device-width"}]
+       [:link {:rel "stylesheet" :href "/pronouns.css"}]]
+      [:body
+       (header-block title)
+       [:div {:class "section examples"}
+        [:p [:h2 "We couldn't find those pronouns in our database :("]
+         "If you think we should have them, please reach out!"]
+        (when (re-find or-re path)
+          (let [alts (s/split path or-re)
+                new-path (str "/" (s/join "/:OR/" alts))]
+            [:div
+             "Did you mean: "
+             (href new-path
+                   (str "pronoun.is"
+                        new-path))]))]
+       (footer-block)]])))
+
+(defn pronouns [params format-fn not-found-fn]
+  (let [path (params :*)
+        param-alts (u/vec-coerce (or (params "or") []))
+        path-alts (s/split path #"/:[oO][rR]/")
+        pronouns (lookup-pronouns (concat path-alts param-alts))]
+    (if (seq pronouns)
+      (format-fn pronouns)
+      (not-found-fn path))))
+
+(defn format-pronoun-json [& pronouns]
+  (json/write-str pronouns))
 
 (defn not-found-json []
   (json/write-str {:error "Not found"}))
 
-(defn pronouns-page [path pronouns-table format-pronouns not-found]
-  (let [pronouns (parse-pronouns-with-lookup (escape-html path) pronouns-table)]
-    (if pronouns
-      (apply format-pronouns pronouns)
-      (not-found))))
-
-(defn pronouns [path pronouns-table]
-  (pronouns-page path pronouns-table format-pronoun-examples not-found))
-
 (defn pronouns-json [path pronouns-table]
-  (pronouns-page path pronouns-table format-pronoun-json not-found-json))
+  (pronouns params format-pronoun-json not-found-json))
+
+(defn pronouns-html [path pronouns-table]
+  (pronouns params format-pronoun-examples not-found))
diff --git a/src/pronouns/util.clj b/src/pronouns/util.clj
index 4d4f928..7469dcf 100644
--- a/src/pronouns/util.clj
+++ b/src/pronouns/util.clj
@@ -1,31 +1,109 @@
+;; pronoun.is - a website for pronoun usage examples
+;; Copyright (C) 2014 - 2018 Morgan Astra
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU Affero General Public License as
+;; published by the Free Software Foundation, either version 3 of the
+;; License, or (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU Affero General Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
+
 (ns pronouns.util
   (:require [clojure.string :as s]))
 
-(defn slurp-tabfile [path]
+(defn slurp-tabfile
+  "Read a tabfile from a filesystem <path> as a table"
+  [path]
   (let [lines (s/split (slurp path) #"\n")]
     (map #(s/split % #"\t") lines)))
 
+(defn table-front-filter
+  "filter a <table> to the rows which begin with <query-key>"
+  [query-key table]
+  (let [arity (count query-key)]
+    (filter #(= query-key (take arity %)) table)))
+
+(defn table-end-filter
+  "filter a <table> to the rows which end with <query-key>"
+  [query-key table]
+  (let [table-arity (count (first table))
+        query-arity (count query-key)]
+    (filter #(= query-key (drop (- table-arity query-arity) %)) table)))
+
 (defn table-lookup
+  "find the row corresponding to <query-key> in <table>"
   [query-key table]
-  (let [arity (count query-key)
-        filtered-table (filter #(= query-key (take arity %)) table)]
-    (first filtered-table)))
-
-(defn tabfile-lookup
-  [query-key tabfile]
-  (table-lookup query-key (slurp-tabfile tabfile)))
-
-(defn minimum-unambiguous-path
-  ([pronouns-table sections] (minimum-unambiguous-path pronouns-table sections 1))
-  ([pronouns-table sections number-of-sections]
-    (let [sections-subset (take number-of-sections sections)
-          results (filter #(= (take number-of-sections %) sections-subset) pronouns-table)]
-      (case (count results)
-        0 nil
-        1 (clojure.string/join "/" sections-subset)
-        (recur pronouns-table sections (+ number-of-sections 1))))))
+  (if (some #(= "..." %) query-key)
+    (let [[query-front query-end-] (split-with #(not= "..." %) query-key)
+          query-end (drop 1 query-end-)
+          front-matches (table-front-filter query-front table)]
+      (first (table-end-filter query-end front-matches)))
+    (first (table-front-filter query-key table))))
+
+(defn shortest-unambiguous-forward-path
+  "Compute the shortest (in number of path elements) forward path which
+  unambiguously refers to a specific <row> in a <table>. The behavior of
+  this function is undefined if given a <row> that is not in the <table>.
+
+  See also: shortest-unambiguous-path"
+  [table row]
+  (loop [n 1]
+    (let [row-front (take n row)]
+      (if (>= 1 (count (table-front-filter row-front table)))
+        row-front
+        (recur (inc n))))))
+
+(defn shortest-unambiguous-ellipses-path
+  "Compute the shortest (in number of path elements) ellipses path which
+  unambiguously refers to a specific <row> in a <table>. The behavior of
+  this function is undefined if given a <row> that is not in the <table>.
+
+  See also: shortest-unambiguous-path"
+  [table row]
+  (let [row-end (last row)
+        filtered-table (table-end-filter [row-end] table)]
+    (loop [n 1]
+      (let [row-front (take n row)]
+        (if (>= 1 (count (table-front-filter row-front filtered-table)))
+          (concat row-front ["..." row-end])
+          (recur (inc n)))))))
+
+(defn shortest-unambiguous-path
+  "Compute the shortest (in number of path elements) path which unambiguously
+  refers to a specific <row> in a <table>. The behavior of this function is
+  undefined if given a <row> that is not in the <table>.
+
+  A path can either be a 'forward path', in which it specifies the row with
+  elements from the front (e.g. ze/zir), or an 'ellipses path', which elides
+  unnecessary elements from the middle (e.g. they/.../themselves). If the
+  shortest forward and ellipses paths are the same length, prefer the forward
+  path"
+  [table row]
+  (let [forward-path (shortest-unambiguous-forward-path table row)
+        ellipses-path (shortest-unambiguous-ellipses-path table row)]
+    (s/join "/"
+            (if (> (count forward-path) (count ellipses-path))
+              ellipses-path
+              forward-path))))
 
 (defn abbreviate
-  "given a list of pronoun rows, return a list of minimum unabiguous paths"
-  [pronouns-table]
-  (map (partial minimum-unambiguous-path pronouns-table) pronouns-table))
+  "return the list of minimum unabiguous paths from a <table>"
+  [table]
+  (map (partial shortest-unambiguous-path table) table))
+
+(defn vec-coerce
+  "wrap a value <x> in a vector if it is not already in one. note that if
+  <x> is already in a sequence for which vector? is false, this will add
+  another layer of nesting."
+  [x]
+  (if (vector? x) x [x]))
+
+(defn strip-markup [form]
+  (s/join " " (filter string? (flatten form))))
+
diff --git a/src/pronouns/web.clj b/src/pronouns/web.clj
index 5af441f..6321198 100644
--- a/src/pronouns/web.clj
+++ b/src/pronouns/web.clj
@@ -1,64 +1,91 @@
+;; pronoun.is - a website for pronoun usage examples
+;; Copyright (C) 2014 - 2018 Morgan Astra
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU Affero General Public License as
+;; published by the Free Software Foundation, either version 3 of the
+;; License, or (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU Affero General Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>
+
 (ns pronouns.web
   (:require [compojure.core :refer [defroutes GET PUT POST DELETE ANY]]
             [compojure.handler :refer [site]]
             [compojure.route :as route]
-            [clojure.java.io :as io]
             [clojure.string :as s]
+            [clojure.java.io :as io]
+            [ring.adapter.jetty :as jetty]
             [ring.middleware.logger :as logger]
             [ring.middleware.stacktrace :as trace]
-            [ring.middleware.session :as session]
-            [ring.middleware.session.cookie :as cookie]
-            [ring.adapter.jetty :as jetty]
+            [ring.middleware.params :as params]
+            [ring.middleware.resource :refer [wrap-resource]]
+            [ring.middleware.content-type :refer [wrap-content-type]]
+            [ring.middleware.not-modified :refer [wrap-not-modified]]
             [environ.core :refer [env]]
             [pronouns.util :as u]
             [pronouns.pages :as pages]))
 
-(def config {:default-server-port 5000
-             :pronoun-table-path "resources/pronouns.tab"})
-(def pronouns-table (u/slurp-tabfile (:pronoun-table-path config)))
-
 (defroutes app-routes
   (GET "/" []
        {:status 200
         :headers {"Content-Type" "text/html"}
-        :body (pages/front pronouns-table)})
+        :body (pages/front)})
+
+  (GET "/all-pronouns" []
+       {:status 200
+        :headers {"Content-Type" "text/html"}
+        :body (pages/all-pronouns)})
 
-  (GET "/pronouns.css" {params :params}
+  (GET "/pronouns.css" []
      {:status 200
      :headers {"Content-Type" "text/css"}
      :body (slurp (io/resource "pronouns.css"))})
 
   (GET "/*" {params :params headers :headers}
-       (if (= "application/json" (.toLowerCase (get headers "accept")))
+       (if (= "application/json" (s/lower-case (get headers "accept")))
          {:status 200
           :headers {"Content-Type" "application/json"}
-          :body (pages/pronouns-json (:* params) pronouns-table)}
+          :body (pages/pronouns-json params pronouns-table)}
          {:status 200
           :headers {"Content-Type" "text/html"}
-          :body (pages/pronouns (:* params) pronouns-table)}))
+          :body (pages/pronouns params pronouns-table)}))
 
   (ANY "*" []
        (route/not-found (slurp (io/resource "404.html")))))
 
+(defn wrap-gnu-natalie-nguyen [handler]
+  (fn [req]
+    (when-let [resp (handler req)]
+      (assoc-in resp [:headers "X-Clacks-Overhead"] "GNU Natalie Nguyen"))))
+
 (defn wrap-error-page [handler]
   (fn [req]
     (try (handler req)
          (catch Exception e
-           {:status 500
-            :headers {"Content-Type" "text/html"}
-            :body (slurp (io/resource "500.html"))}))))
+           (binding [*out* *err*]
+             {:status 500
+              :headers {"Content-Type" "text/html"}
+              :body (slurp (io/resource "500.html"))})))))
 
 (def app
   (-> app-routes
+      ;; FIXME morgan.astra <2018-11-14 Wed>
+      ;; use this resource or delete it
+      ;; (wrap-resource "images")
+      wrap-content-type
+      wrap-not-modified
       logger/wrap-with-logger
       wrap-error-page
-      trace/wrap-stacktrace))
+      wrap-gnu-natalie-nguyen
+      trace/wrap-stacktrace
+      params/wrap-params))
 
 (defn -main []
-  (let [port (Integer. (:port env
-                              (:default-server-port config)))]
+  (let [port (Integer. (:port env))]
     (jetty/run-jetty app {:port port})))
-
-;; For interactive development:
-;; (.stop server)
-;; (def server (-main))