Examples with DSLTokenizedMappingFile org.drools.drl.parser.lang.dsl.DSLTokenizedMappingFile used on opensource projects

Example 11 with DSLTokenizedMappingFile

use of org.drools.drl.parser.lang.dsl.DSLTokenizedMappingFile in project drools by kiegroup.

the class DSLTokenizedMappingFileTest method testParseFile.

@Test
public void testParseFile() {
    try {
        final Reader reader = new InputStreamReader(this.getClass().getResourceAsStream(this.filename));
        this.file = new DSLTokenizedMappingFile();
        final boolean parsingResult = this.file.parseAndLoad(reader);
        reader.close();
        assertTrue(this.file.getErrors().toString(), parsingResult);
        assertTrue(this.file.getErrors().isEmpty());
        assertEquals(31, this.file.getMapping().getEntries().size());
    } catch (final IOException e) {
        e.printStackTrace();
        fail("Should not raise exception ");
    }
}

Example 12 with DSLTokenizedMappingFile

use of org.drools.drl.parser.lang.dsl.DSLTokenizedMappingFile in project drools by kiegroup.

the class DSLTokenizedMappingFileTest method testParseFileWithBrackets.

@Test
public void testParseFileWithBrackets() {
    String file = "[when]ATTRIBUTE \"{attr}\" IS IN [{list}]=Attribute( {attr} in ({list}) )";
    try {
        final Reader reader = new StringReader(file);
        this.file = new DSLTokenizedMappingFile();
        final boolean parsingResult = this.file.parseAndLoad(reader);
        reader.close();
        assertTrue(this.file.getErrors().toString(), parsingResult);
        assertTrue(this.file.getErrors().isEmpty());
        assertEquals(1, this.file.getMapping().getEntries().size());
        DSLMappingEntry entry = (DSLMappingEntry) this.file.getMapping().getEntries().get(0);
        assertEquals(DSLMappingEntry.CONDITION, entry.getSection());
        assertEquals(DSLMappingEntry.EMPTY_METADATA, entry.getMetaData());
        assertEquals(lookbehind + "ATTRIBUTE\\s+\"(.*?)\"\\s+IS\\s+IN\\s+[(.*?)](?=\\W|$)", entry.getKeyPattern().toString());
        // Attribute( {attr} in ({list}) )
        assertEquals("Attribute( {attr} in ({list}) )", entry.getValuePattern());
    } catch (final IOException e) {
        e.printStackTrace();
        fail("Should not raise exception ");
    }
}

Example 13 with DSLTokenizedMappingFile

use of org.drools.drl.parser.lang.dsl.DSLTokenizedMappingFile in project drools by kiegroup.

the class DSLTokenizedMappingFileTest method testParseFileWithEscaptedBrackets.

@Test
public void testParseFileWithEscaptedBrackets() {
    String file = "[when]ATTRIBUTE \"{attr}\" IS IN \\[{list}\\]=Attribute( {attr} in ({list}) )";
    try {
        final Reader reader = new StringReader(file);
        this.file = new DSLTokenizedMappingFile();
        final boolean parsingResult = this.file.parseAndLoad(reader);
        reader.close();
        assertTrue(this.file.getErrors().toString(), parsingResult);
        assertTrue(this.file.getErrors().isEmpty());
        assertEquals(1, this.file.getMapping().getEntries().size());
        DSLMappingEntry entry = (DSLMappingEntry) this.file.getMapping().getEntries().get(0);
        assertEquals(DSLMappingEntry.CONDITION, entry.getSection());
        assertEquals(DSLMappingEntry.EMPTY_METADATA, entry.getMetaData());
        assertEquals(lookbehind + "ATTRIBUTE\\s+\"(.*?)\"\\s+IS\\s+IN\\s+\\[(.*?)\\](?=\\W|$)", entry.getKeyPattern().toString());
        // Attribute( {attr} in ({list}) )
        assertEquals("Attribute( {attr} in ({list}) )", entry.getValuePattern());
    } catch (final IOException e) {
        e.printStackTrace();
        fail("Should not raise exception ");
    }
}

Example 14 with DSLTokenizedMappingFile

use of org.drools.drl.parser.lang.dsl.DSLTokenizedMappingFile in project drools by kiegroup.

the class KnowledgeBuilderImpl method addDsl.

public void addDsl(Resource resource) throws IOException {
    this.resource = resource;
    DSLTokenizedMappingFile file = new DSLTokenizedMappingFile();
    try (Reader reader = resource.getReader()) {
        if (!file.parseAndLoad(reader)) {
            this.results.addAll(file.getErrors());
        }
        if (this.dslFiles == null) {
            this.dslFiles = new ArrayList<>();
        }
        this.dslFiles.add(file);
    } finally {
        this.resource = null;
    }
}

Example 15 with DSLTokenizedMappingFile

use of org.drools.drl.parser.lang.dsl.DSLTokenizedMappingFile in project drools by kiegroup.

the class DrlParserTest method testExpandDRLUsingInjectedExpander.

@Test
public void testExpandDRLUsingInjectedExpander() throws Exception {
    String dsl = "[condition]Something=Something()" + NL + "[then]another=another();";
    String drl = "rule 'foo' " + NL + " when " + NL + " Something " + NL + " then " + NL + " another " + NL + "end";
    DefaultExpanderResolver resolver = new DefaultExpanderResolver(new StringReader(dsl));
    final DSLMappingFile file = new DSLTokenizedMappingFile();
    if (file.parseAndLoad(new StringReader(dsl))) {
        final Expander expander = new DefaultExpander();
        expander.addDSLMapping(file.getMapping());
        resolver.addExpander("*", expander);
    } else {
        throw new RuntimeException("Error parsing and loading DSL file." + file.getErrors());
    }
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    String result = parser.getExpandedDRL(drl, resolver);
    Assertions.assertThat("rule 'foo' " + NL + " when " + NL + " Something() " + NL + " then " + NL + " another(); " + NL + "end").isEqualToIgnoringWhitespace(result);
}