Add removing extra new-sequence tokens

src/keyboard_input/input_parser.cpp

@@ -223,3 +223,37 @@ std::vector<Token>
 
     return tokens;
 }
+
+std::vector<Token>
+    removeDuplicateNewSequences( const std::vector<Token>& tokens )
+{
+    std::vector<Token> approvedTokens = {};
+
+    bool previouslyNewSequenceToken = false;
+    for ( const auto& token : tokens )
+    {
+        if ( token != Token::TOKEN_NEW_SEQUENCE )
+        {
+            previouslyNewSequenceToken = false;
+        }
+
+        if ( previouslyNewSequenceToken )
+        {
+            continue;
+        }
+
+        if ( token == Token::TOKEN_NEW_SEQUENCE )
+        {
+            previouslyNewSequenceToken = true;
+        }
+
+        approvedTokens.push_back( token );
+    }
+
+    return approvedTokens;
+}
+
+std::vector<Token> removeIncorrectTokens( const std::vector<Token>& tokens )
+{
+    return removeDuplicateNewSequences( tokens );
+}

src/keyboard_input/input_parser.h

@@ -88,4 +88,6 @@ enum class Token
     MODIFIER_SUPER,
 };
 
-std::vector<Token> ParseKeyboardInputsToTokens( std::string inputs ) noexcept;
+std::vector<Token>
+    ParseKeyboardInputsToTokens( const std::string inputs ) noexcept;
+std::vector<Token> removeIncorrectTokens( const std::vector<Token>& tokens );

test/keyboard_input/tst_parsertest.cpp

@@ -36,6 +36,8 @@ private slots:
     void sixtyfourBackspacesBenchmarked();
 
     void sixtyfourAsBenchmarked();
+
+    void removeDuplicateSpaces();
 };
 
 const std::string alphabet = "abcdefghijklmnopqrstuvxyz";
@@ -375,6 +377,22 @@ void ParserTest::sixtyfourAsBenchmarked()
     }
 }
 
+void ParserTest::removeDuplicateSpaces()
+{
+    const auto e = std::vector<Token>( { Token::KEY_a,
+                                         Token::TOKEN_NEW_SEQUENCE,
+                                         Token::TOKEN_NEW_SEQUENCE,
+                                         Token::TOKEN_NEW_SEQUENCE,
+                                         Token::TOKEN_NEW_SEQUENCE,
+                                         Token::TOKEN_NEW_SEQUENCE,
+                                         Token::TOKEN_NEW_SEQUENCE,
+                                         Token::KEY_d } );
+    const auto t = std::vector<Token>(
+        { Token::KEY_a, Token::TOKEN_NEW_SEQUENCE, Token::KEY_d } );
+
+    QCOMPARE( removeIncorrectTokens( e ), t );
+}
+
 QTEST_APPLESS_MAIN( ParserTest )
 
 #include "./release/tst_parsertest.moc"