Templates pt. 3

Templates should now work, though there is no syntax to reference them
from rules yet

In addition, several internal things have been changed so as to improve
code quality

1 files changed, 15 insertions, 0 deletions

diff --git a/src/main/java/bjc/rgens/parser/elements/VariableCaseElement.java b/src/main/java/bjc/rgens/parser/elements/VariableCaseElement.java
index 63abe16..a2c15a7 100755
--- a/src/main/java/bjc/rgens/parser/elements/VariableCaseElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/VariableCaseElement.java
@@ -1,5 +1,7 @@
 package bjc.rgens.parser.elements;
 
+import bjc.rgens.parser.GrammarException;
+
 public abstract class VariableCaseElement extends CaseElement {
 	public static enum VariableType {
 		NORMAL,
@@ -66,4 +68,17 @@ public abstract class VariableCaseElement extends CaseElement {
 			return String.format("{$%s=%s}", varName, varDef);
 		}
 	}
+
+	public static CaseElement parseVariable(String varName, String varDef, boolean colon) {
+		if(varName.startsWith("$")) {
+			// Handle normal/expanding variable definitions
+			if(colon) return new ExpVariableCaseElement(varName.substring(1), varDef);
+
+			return new LitVariableCaseElement(varName.substring(1), varDef);
+		} else if(varName.startsWith("@")) {
+			return new RuleVariableCaseElement(varName.substring(1), varDef, colon);
+		} else {
+			throw new GrammarException("Unrecognized declaration sigil " + varName.charAt(0));
+		}
+	}
 }