1 files changed, 3 insertions, 53 deletions
diff --git a/lib/parse/lex.js b/lib/parse/lex.js
index d9f9fd9..3391acf 100644
--- a/lib/parse/lex.js
+++ b/lib/parse/lex.js
@@ -1,6 +1,9 @@
 var _ = require('lodash');
 var kramed = require('kramed');
 
+var isExercise = require('./is_exercise');
+var isQuiz = require('./is_quiz');
+
 // Split a page up into sections (lesson, exercises, ...)
 function splitSections(nodes) {
     var section = [];
@@ -17,59 +20,6 @@ function splitSections(nodes) {
     }, []).concat([section]); // Add remaining nodes
 }
 
-function isQuizNode(node) {
-    return (/^[(\[][ x][)\]]/).test(node.text || node);
-}
-
-function isExercise(nodes) {
-    var codeType = { type: 'code' };
-
-    // Number of code nodes in section
-    var len = _.filter(nodes, codeType).length;
-
-    return (
-        // Got 3 or 4 code blocks
-        (len === 3 || len === 4) &&
-        // Ensure all nodes are at the end
-        _.all(_.last(nodes, len), codeType)
-    );
-}
-
-function isQuiz(nodes) {
-    if (nodes.length < 3) {
-        return false;
-    }
-
-    // Support having a first paragraph block
-    // before our series of questions
-    var quizNodes = nodes.slice(nodes[0].type === 'paragraph' ? 1 : 0);
-
-    // No questions
-    if (!_.some(quizNodes, { type: 'blockquote_start' })) {
-        return false;
-    }
-
-    // Check if section has list of questions
-    // or table of questions
-    var listIdx = _.findIndex(quizNodes, { type: 'list_item_start' });
-    var tableIdx = _.findIndex(quizNodes, { type: 'table' });
-
-    if(
-        // List of questions
-        listIdx !== -1 && isQuizNode(quizNodes[listIdx + 1]) ||
-
-        // Table of questions
-        (
-            tableIdx !== -1 &&
-            _.every(quizNodes[tableIdx].cells[0].slice(1), isQuizNode)
-        )
-    ) {
-        return true;
-    }
-
-    return false;
-}
-
 // What is the type of this section
 function sectionType(nodes, idx) {
     if(isExercise(nodes)) {