summaryrefslogtreecommitdiff
path: root/src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java
diff options
context:
space:
mode:
authorBenjamin J. Culkin <bjculkin@mix.wvu.edu>2018-06-08 19:06:14 -0300
committerBenjamin J. Culkin <bjculkin@mix.wvu.edu>2018-06-08 19:06:14 -0300
commit33a165f0b0055d2bdf9a1fcaa639b31a7f87d9a6 (patch)
treeb208a7cd5b3c73ac13ba63a71b32059b90eb3275 /src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java
parent44a8d9d2d56a311293ec86ea40df7126748300a1 (diff)
Major refactoring
A major refactoring to the internals of how things work. I believe that nothing is broken
Diffstat (limited to 'src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java')
-rw-r--r--src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java30
1 files changed, 21 insertions, 9 deletions
diff --git a/src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java
index 7a4260f..19c1e2c 100644
--- a/src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java
@@ -1,5 +1,7 @@
package bjc.rgens.parser.elements.vars;
+import bjc.utils.funcutils.StringUtils;
+
import bjc.rgens.parser.GenerationState;
import bjc.rgens.parser.GrammarException;
@@ -7,23 +9,29 @@ import java.util.ArrayList;
import java.util.List;
public abstract class VariableElement {
+ public boolean forbidSpaces;
+
+ protected VariableElement(boolean forbidSpacing) {
+ forbidSpaces = forbidSpacing;
+ }
+
public abstract void generate(GenerationState state);
- public static List<VariableElement> parseVariableElements(String varElm) {
- boolean forbidSpaces = varElm.contains("-");
+ public static List<VariableElement> parseElementString(String varElm) {
+ boolean forbidSpaces = StringUtils.levelContains(varElm, "-", "+");
String[] parts;
if(forbidSpaces) {
- parts = varElm.split("(?<=[+-])|(?=[+-])");
+ parts = StringUtils.levelSplit(varElm, true, "-", "+").toArray(new String[0]);
} else {
parts = new String[] { varElm };
}
- return parseVariableElements(forbidSpaces, parts);
+ return parseElementString(forbidSpaces, parts);
}
- public static List<VariableElement> parseVariableElements(boolean forbidSpaces, String... parts) {
+ public static List<VariableElement> parseElementString(boolean forbidSpaces, String... parts) {
List<VariableElement> elms = new ArrayList<>(parts.length);
VariableElement prevElement = null;
@@ -34,22 +42,26 @@ public abstract class VariableElement {
if(part.startsWith("$")) {
elm = new VRefVariableElement(forbidSpaces, part.substring(1));
} else if (part.startsWith("@")) {
- elm = new ARefVariableElement(forbidSpaces, part.substring(1));
+ if(forbidSpaces)
+ throw new GrammarException("Arrays references aren't allowed in rule names");
+
+ elm = new ARefVariableElement(part.substring(1));
} else if (part.startsWith("%")) {
elm = new RRefVariableElement(forbidSpaces, part.substring(1));
} else if (part.startsWith("/")) {
throw new GrammarException("Template variables aren't implemented yet");
} else {
- if(prevElement instanceof LiteralVariableElement) {
+ if(prevElement != null && prevElement instanceof LiteralVariableElement) {
/* Aggregate chain literals together */
- ((LiteralVariableElement)prevElement).val += elm;
+ ((LiteralVariableElement)prevElement).val += part;
} else {
- elm = new LiteralVariableElement(part);
+ elm = new LiteralVariableElement(forbidSpaces, part);
}
}
if(elm != null) {
elms.add(elm);
+
prevElement = elm;
}
}