From 294d2a9dfd2e4669419d6701a7c86ef3c13ea880 Mon Sep 17 00:00:00 2001 From: Brittany Date: Thu, 2 May 2019 11:07:19 -0600 Subject: [PATCH] Deleted unrelated file --- .../tsp/services/parser/ParserService.java | 126 ------------------ 1 file changed, 126 deletions(-) delete mode 100644 services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java diff --git a/services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java b/services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java deleted file mode 100644 index c3f37e1..0000000 --- a/services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java +++ /dev/null @@ -1,126 +0,0 @@ -package edu.msudenver.tsp.services.parser; - -import lombok.extern.slf4j.Slf4j; -import org.springframework.stereotype.Service; - -import java.util.ArrayList; -import java.util.List; - -@Slf4j -@Service -class ParserService { - - public boolean parseUserInput(final String userInput) - { - try { - final Node tree = parseRawInput(userInput); - retrieveStatements(tree); - - return true; - } catch(final Exception e) { - LOG.error(e.getMessage()); - } - return false; - } - - public Node parseRawInput(String input) - { - input = input.toLowerCase(); - - final Node root = new Node(input, null); - - if(input.equals("")) - { - return root; - } - - recurse(root); - - return root; - } - - private void recurse(final Node current) - { - int startIndex; - int endIndex; - final String statement; - - if (current != null) { - statement = current.getStatement(); - } else { - return; - } - - String nextStatement; - - if(statement.contains("let")) - { - current.setLeft(new Node("let", current)); - - startIndex = statement.indexOf("let")+"let".length(); - - if(statement.contains("if")){ - endIndex = statement.indexOf("if"); - } else if(statement.contains("then")){ - endIndex = statement.indexOf("then"); - } else { - endIndex = statement.length(); - } - - nextStatement = statement.substring(startIndex, endIndex); - - current.getLeft().setCenter(new Node(nextStatement, current.getLeft())); - recurse(current.getLeft().getCenter()); - } - - - if(statement.contains("if")) - { - current.setCenter(new Node("if", current)); - - startIndex = statement.indexOf("if")+"if".length(); - endIndex = (statement.contains("then") ? statement.indexOf("then") : statement.length()); - nextStatement = statement.substring(startIndex, endIndex); - - current.getCenter().setCenter(new Node(nextStatement, current.getCenter())); - recurse(current.getCenter().getCenter()); - } - - - if(current.getStatement().contains("then")) - { - current.setRight(new Node("then", current)); - - startIndex = statement.indexOf("then")+"then".length(); - nextStatement = statement.substring(startIndex); - - current.getRight().setCenter(new Node(nextStatement, current.getRight())); - recurse(current.getRight().getCenter()); - } - } - - public List retrieveStatements(final Node parsedTree) - { - return populateStatementList(parsedTree, new ArrayList<>()); - } - - private ArrayList populateStatementList(final Node node, final ArrayList statementList) - { - if(node == null) - { - return statementList; - } - - final String statement = node.getStatement().trim(); - if(!(statement.contains("let") || statement.contains("if") || statement.contains("then"))) - { - statementList.add(statement); - } - - populateStatementList(node.getLeft(), statementList); - populateStatementList(node.getCenter(), statementList); - populateStatementList(node.getRight(), statementList); - - return statementList; - } -}