Added support for literal strings

src/main/java/com/moandjiezana/toml/LiteralStringParser.java

@@ -0,0 +1,30 @@
+package com.moandjiezana.toml;
+
+import java.util.List;
+
+import org.parboiled.Parboiled;
+import org.parboiled.parserunners.BasicParseRunner;
+
+class LiteralStringParser implements ValueParser {
+
+  static final LiteralStringParser LITERAL_STRING_PARSER = new LiteralStringParser();
+  
+  @Override
+  public boolean canParse(String s) {
+    return s.startsWith("'");
+  }
+
+  @Override
+  public Object parse(String s) {
+    StatementParser parser = Parboiled.createParser(StatementParser.class);
+    List<Object> resultValue = new BasicParseRunner<List<Object>>(parser.LiteralString()).run(s).resultValue;
+    
+    if (resultValue == null) {
+      return ValueParserUtils.INVALID;
+    }
+    
+    return resultValue.get(0);
+  }
+
+  private LiteralStringParser() {}
+}

src/main/java/com/moandjiezana/toml/StatementParser.java

@@ -21,6 +21,10 @@ class StatementParser extends BaseParser<List<Object>> {
     return Sequence('[', '[', startList(), Sequence(OneOrMore(NoneOf("[]")), pushToken(match())), ']', ']', endList(), FirstOf(EOI, Sequence(TestNot(']'), ANY)));
   }
 
+  public Rule LiteralString() {
+    return FirstOf(Sequence('\'', '\'', startList(), pushToken(""), endList()), Sequence('\'', OneOrMore(TestNot("'"), ANY), startList(), pushToken(match()) , '\'', endList(), FirstOf(EOI, OneOrMore(' ', Sequence('#', ZeroOrMore(ANY))))));
+  }
+
   Rule NonEmptyArray() {
     return FirstOf(Array(), OneOrMore(TestNot(']'), FirstOf(String(), Array(), ',', ' ', OtherValue())));
   }

src/main/java/com/moandjiezana/toml/ValueConverter.java

@@ -5,6 +5,7 @@ import static com.moandjiezana.toml.BooleanParser.BOOLEAN_PARSER;
 import static com.moandjiezana.toml.DateParser.DATE_PARSER;
 import static com.moandjiezana.toml.FloatParser.FLOAT_PARSER;
 import static com.moandjiezana.toml.IntegerParser.INTEGER_PARSER;
+import static com.moandjiezana.toml.LiteralStringParser.LITERAL_STRING_PARSER;
 import static com.moandjiezana.toml.MultilineStringParser.MULTILINE_STRING_PARSER;
 import static com.moandjiezana.toml.StringParser.STRING_PARSER;
 import static com.moandjiezana.toml.ValueParserUtils.INVALID;
@@ -14,6 +15,8 @@ class ValueConverter {
   public Object convert(String value) {
     if (MULTILINE_STRING_PARSER.canParse(value)) {
       return MULTILINE_STRING_PARSER.parse(value);
+    } else if (LITERAL_STRING_PARSER.canParse(value)) {
+      return LITERAL_STRING_PARSER.parse(value);
     } else if (STRING_PARSER.canParse(value)) {
       return STRING_PARSER.parse(value);
     } else if (INTEGER_PARSER.canParse(value)) {

src/test/java/com/moandjiezana/toml/TomlTest.java

@@ -53,7 +53,16 @@ public class TomlTest {
     
     assertEquals(toml.getString("ref"), toml.getString("multi1"));
     assertEquals(toml.getString("ref"), toml.getString("multi2"));
+  }
+  
+  @Test
+  public void should_get_literal_string() throws Exception {
+    Toml toml = new Toml().parse(file("should_get_literal_string"));
     
+    assertEquals("C:\\Users\\nodejs\\templates", toml.getString("winpath"));
+    assertEquals("\\\\ServerX\\admin$\\system32\\", toml.getString("winpath2"));
+    assertEquals("Tom \"Dubs\" Preston-Werner", toml.getString("quoted"));
+    assertEquals("<\\i\\c*\\s*>", toml.getString("regex"));
   }
 
   @Test
@@ -414,6 +423,11 @@ public class TomlTest {
   public void should_fail_on_invalid_boolean_false() {
     new Toml().parse("answer = false abc");
   }
+
+  @Test(expected = IllegalStateException.class)
+  public void should_fail_on_invalid_literal_string() {
+    new Toml().parse("a = ' ' jdkf");
+  }
   
   private File file(String file) {
     return new File(getClass().getResource(file + ".toml").getFile());

src/test/resources/com/moandjiezana/toml/should_get_literal_string.toml

@@ -0,0 +1,4 @@
+winpath  = 'C:\Users\nodejs\templates'  
+winpath2 = '\\ServerX\admin$\system32\' # comment
+quoted   = 'Tom "Dubs" Preston-Werner'
+regex    = '<\i\c*\s*>'