From 21d213dcff1367c16dc0c3f6585b8e35d7c2f0c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Mon, 24 Aug 2015 19:17:43 +0200
Subject: Introduced the Q promises library, created a basic login page to test
 prolog examples, and started tying the terminal and editor activity to the
 REST services.

---
 js/codeq.js | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 70 insertions(+), 13 deletions(-)

(limited to 'js/codeq.js')

diff --git a/js/codeq.js b/js/codeq.js
index 472cab0..9e33bac 100644
--- a/js/codeq.js
+++ b/js/codeq.js
@@ -80,6 +80,8 @@ window.phandler = null; // TODO: this is for debug only
         };
     }
 
+    codeq.jsonize = jsonize;
+
     codeq.log = {};
     (function () {
         var assembleOutput = function (stuff, e) {
@@ -706,7 +708,23 @@ window.phandler = null; // TODO: this is for debug only
 
     }; // codeq.system = {
 
-    window.start = function () {
+    /**
+     * Returns the number of Unicode code points in the given string.
+     *
+     * @param s {string}
+     * @returns {number}
+     */
+    codeq.codePointCount = function (s) {
+        var n = 0, i, code;
+        for (i = s.length - 1; i >= 0; i--) {
+            code = s.charCodeAt(i);
+            if ((code >= 0xd800) && (code < 0xe000)) i++;
+            n++;
+        }
+        return n;
+    };
+
+    $(document).ready(function () {
 //        var s = location.hash;
 //        if (s.length == 0) return; // empty hash
 //        if (s.charAt(0) == '#') s = s.substring(1);
@@ -724,17 +742,56 @@ window.phandler = null; // TODO: this is for debug only
             width: '100%'
         });*/
 
-        codeq.system.load({
-            type: 'text',
-            url: 'sins.py',
-            callback: function (data, status, url) {
-                if (!data) return;
-                var info = codeq.parseDefinition(data);
-                window.phandler = codeq.createPrologHandler(info); // TODO: for debug only
-                // DEBUG: phandler.processServerHints([{id:'x_must_be_female'}]);
-                // DEBUG: phandler.processServerHints([{id:'popup_unknown', start: 20, end: 26}]);
-                // DEBUG: phandler.processServerHints([{id:'drop_down', start: 20, end: 26, choices:['ena', 'dva', 'tri']}]);
+        var hash = location.hash,
+            error = false,
+            params, param, sid, grp, prb, i, key, j;
+
+        if (hash.length < 2) {
+            error = 'No execution parameters were provided';
+        }
+        else {
+            location.hash = '';
+            if (hash.charAt(0) == '#') hash = hash.substring(1);
+            params = hash.split('/');
+            for (i = params.length - 1; i >= 0; i--) {
+                param = params[i];
+                j = param.indexOf('=');
+                if (j < 0) continue;
+                key = param.substring(0, j);
+                switch (key) {
+                    case 'sid':
+                        sid = param.substring(j+1);
+                        break;
+                    case 'grp':
+                        grp = param.substring(j+1);
+                        break;
+                    case 'prb':
+                        prb = param.substring(j+1);
+                        break;
+                }
             }
-        });
-    };
+            if (!sid) error = 'No session ID provided';
+            else if (!grp) error = 'No problem group provided';
+            else if (!prb) error = 'No problem provided';
+        }
+
+        if (error) {
+            alert(error);
+        }
+        else {
+            codeq.sid = sid;
+            codeq.system.load({
+                type: 'text',
+                url: 'prolog/problems/' + grp + '/' + prb + '/en.py',
+                callback: function (data, status, url) {
+                    if (!data) return;
+                    var info = codeq.parseDefinition(data);
+                    window.phandler = codeq.createPrologHandler(info, grp, prb); // TODO: for debug only
+                    // DEBUG: phandler.processServerHints([{id:'x_must_be_female'}]);
+                    // DEBUG: phandler.processServerHints([{id:'popup_unknown', start: 20, end: 26}]);
+                    // DEBUG: phandler.processServerHints([{id:'drop_down', start: 20, end: 26, choices:['ena', 'dva', 'tri']}]);
+                }
+            });
+        }
+    });
 })();
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