private ParserTester(CharSequence s) { this.parser = new REParser(s); }
public RENode.Alternative parseAlternative() throws SyntaxException { RENode.Expr expr = parseExpression(); if (expr != null) { RENode.Alternative next = parseAlternative(); return new RENode.Alternative(expr, next); } else { return null; } }
public RENode.Atom parseCharacter() throws SyntaxException { if (lexer.next(Kind.ANY)) { return new RENode.Any(); } else { RENode.Atom atom = parseCharacterLiteral(); if (atom == null) { atom = parseCharacterClass(); } return atom; } }
ParserTester assertNotParseDisjunction() { int expectedIndex = parser.getIndex(); try { parser.parseDisjunction(); fail(); } catch (SyntaxException e) { assertEquals(expectedIndex, parser.getIndex()); } return this; }
private void assertAnalyse(String expectedPattern, String pattern) { try { RENode.Disjunction disjunction = new REParser(pattern).parseDisjunction(); assertEquals(expectedPattern, RERenderer.render(disjunction, new StringBuilder()).toString()); } catch (Exception e) { fail(e); } }
private static void assertSatisfied(String expression, String... expected) throws Exception { RENode root = new REParser(expression).parse(); List<ValueResolverFactory.Alternative> alternatives = new ValueResolverFactory().foo(root); assertEquals(expected.length, alternatives.size()); for (int i = 0;i < expected.length;i++) { assertEquals(expected[i], alternatives.get(i).getResolvingExpression().toString()); } }
static RENode.Expr expression(String regexp) { try { REParser parser = new REParser(regexp); RENode.Expr re = parser.parseExpression(); assertTrue(parser.isDone()); return re; } catch (SyntaxException e) { AssertionFailedError afe = new AssertionFailedError(); afe.initCause(e); throw afe; } }
static RENode.Disjunction disjunction(String regexp) { try { REParser parser = new REParser(regexp); RENode.Disjunction re = parser.parseDisjunction(); assertTrue(parser.isDone()); return re; } catch (SyntaxException e) { AssertionFailedError afe = new AssertionFailedError(); afe.initCause(e); throw afe; } }
static RENode.Alternative alternative(String regexp) { try { REParser parser = new REParser(regexp); RENode.Alternative re = parser.parseAlternative(); assertTrue(parser.isDone()); return re; } catch (SyntaxException e) { AssertionFailedError afe = new AssertionFailedError(); afe.initCause(e); throw afe; } }
static RENode.CharacterClass characterClass(String regexp) { try { REParser parser = new REParser(regexp); RENode.CharacterClass re = parser.parseCharacterClass(); assertTrue(parser.isDone()); return re; } catch (SyntaxException e) { AssertionFailedError afe = new AssertionFailedError(); afe.initCause(e); throw afe; } }
public RENode.Expr parseExpression() throws SyntaxException { RENode.Expr expr; if (lexer.next(Kind.BEGIN)) { expr = new RENode.Assertion.Begin(); } else if (lexer.next(Kind.END)) { expr = new RENode.Assertion.End(); } else if (lexer.next(Kind.GROUP_OPEN)) { GroupType groupType = GroupType.forPrefix(lexer.getToken()); RENode.Disjunction group = parseDisjunction(); if (lexer.next(Kind.GROUP_CLOSE)) { expr = new RENode.Group(group, groupType); } else { throw new SyntaxException("Group not closed "); } } else { expr = parseCharacter(); } if (expr != null) { Quantifier quantifier = parseQuantifier(); if (quantifier != null) { expr.setQuantifier(quantifier); } } return expr; }
REVisitor<RuntimeException> transformer = descriptor.getCaptureGroup() ? new CaptureGroupTransformation() : new NonCaptureGroupTransformation(); REParser parser = new REParser(regex); RENode.Disjunction routingDisjunction = parser.parseDisjunction(); if (!preservePath) { CharEscapeTransformation escaper = new CharEscapeTransformation('/', '_'); parser.reset(); RENode.Disjunction renderingDisjunction = parser.parseDisjunction(); ValueResolverFactory factory = new ValueResolverFactory(); renderingDisjunction.accept(transformer);
public RENode.Disjunction parseDisjunction() throws SyntaxException { RENode.Alternative alternative = parseAlternative(); if (alternative != null) { if (lexer.next(Kind.OR)) { RENode.Disjunction next = parseDisjunction(); return new RENode.Disjunction(alternative, next); } else { return new RENode.Disjunction(alternative); } } else { if (lexer.next(Kind.OR)) { RENode.Disjunction next = parseDisjunction(); return new RENode.Disjunction(null, next); } else { return null; } } }
ParserTester assertParseExpression(String expectedValue, int expectedIndex) { try { RENode.Expr exp = parser.parseExpression(); assertEquals(expectedValue, exp.toString()); assertEquals(expectedIndex, parser.getIndex()); return this; } catch (SyntaxException e) { throw failure(e); } }
ParserTester assertParseDisjunction(String expectedValue) { try { RENode.Disjunction disjunction = parser.parseDisjunction(); assertTrue(parser.isDone()); if (expectedValue.length() == 0) { assertNull(disjunction); } else { assertNotNull(disjunction); assertEquals(expectedValue, disjunction.toString()); } return this; } catch (SyntaxException e) { throw failure(e); } }
ParserTester assertNotParseExpression() { try { RENode.Expr expr = parser.parseExpression(); assertNull(expr); } catch (SyntaxException e) { } return this; }
public RENode parse() throws SyntaxException { return parseDisjunction(); }
ParserTester assertParseQuantifier(Quantifier expectedQuantifier) { Quantifier quantifier; try { quantifier = parser.parseQuantifier(); } catch (SyntaxException e) { throw failure(e); } if (expectedQuantifier != null) { assertEquals(expectedQuantifier, quantifier); } else { assertNull(quantifier); } return this; } }
public RENode.CharacterClassExpr parseCharacterClassTerm() throws SyntaxException { RENode.CharacterClassExpr expr = _parseCharacterClass(); if (expr == null) { RENode.CharacterClassExpr.Char c = parseCharacterClassLiteral(); if (c != null) { if (lexer.next(Kind.HYPHEN)) { RENode.CharacterClassExpr.Char to = parseCharacterClassLiteral(); if (to != null) { expr = new RENode.CharacterClassExpr.Range(c, to);
public RENode.CharacterClass parseCharacterClass() throws SyntaxException { RENode.CharacterClassExpr cce = _parseCharacterClass(); if (cce != null) { return new RENode.CharacterClass(cce); } else { return null; } }