Added parser for component descriptions

1 files changed, 54 insertions, 0 deletions

diff --git a/BJC-Utils2/src/main/java/bjc/utils/components/ComponentDescriptionFileParser.java b/BJC-Utils2/src/main/java/bjc/utils/components/ComponentDescriptionFileParser.java
new file mode 100644
index 0000000..bf0f0bd
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/components/ComponentDescriptionFileParser.java
@@ -0,0 +1,54 @@
+package bjc.utils.components;
+
+import java.io.InputStream;
+
+import bjc.utils.funcutils.ListUtils;
+import bjc.utils.parserutils.RuleBasedConfigReader;
+
+/**
+ * Read a component description from a file
+ * 
+ * @author ben
+ *
+ */
+public class ComponentDescriptionFileParser {
+	private static RuleBasedConfigReader<ComponentDescriptionState> reader;
+
+	static {
+		// This reader works entirely off of pragmas, so no need to handle
+		// rules
+		reader = new RuleBasedConfigReader<>((fst, par) -> {
+		}, (fst, stat) -> {
+		}, (stat) -> {
+		});
+
+		reader.addPragma("name", (fst, stat) -> {
+			stat.setName(ListUtils.collapseTokens(fst.toList((s) -> s)));
+		});
+
+		reader.addPragma("author", (fst, stat) -> {
+			stat.setAuthor(ListUtils.collapseTokens(fst.toList((s) -> s)));
+		});
+
+		reader.addPragma("description", (fst, stat) -> {
+			stat.setDescription(
+					ListUtils.collapseTokens(fst.toList((s) -> s)));
+		});
+
+		reader.addPragma("version", (fst, stat) -> {
+			stat.setVersion(Integer.parseInt(fst.nextToken()));
+		});
+	}
+
+	/**
+	 * Parse a component description from a stream
+	 * 
+	 * @param is
+	 *            The stream to parse from
+	 * @return The description parsed from the stream
+	 */
+	public ComponentDescription fromStream(InputStream is) {
+		return reader.fromStream(is, new ComponentDescriptionState())
+				.toDescription();
+	}
+}