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authorBenjamin J. Culkin <bjculkin@mix.wvu.edu>2020-11-11 12:29:59 -0400
committerBenjamin J. Culkin <bjculkin@mix.wvu.edu>2020-11-11 12:29:59 -0400
commit80aa147aedc91356276d4346efb1ea62ea5b06f9 (patch)
treea57c8f2ad3a7e68ba1c0a5a2bea573a8da277ab6 /src/main/java/bjc/rgens/parser/elements/vars
parentc88c846b75dbc806db19a2e3a907bff21fd0c273 (diff)
parente9e0ca7bfe722375e7ccb25d2bafbe395b6c6a59 (diff)
Merge branch 'master' of https://github.com/bculkin2442/rgens
Diffstat (limited to 'src/main/java/bjc/rgens/parser/elements/vars')
-rw-r--r--src/main/java/bjc/rgens/parser/elements/vars/LiteralVariableElement.java16
-rw-r--r--src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java15
-rw-r--r--src/main/java/bjc/rgens/parser/elements/vars/TRefVariableElement.java2
-rw-r--r--src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java15
-rw-r--r--src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java70
5 files changed, 106 insertions, 12 deletions
diff --git a/src/main/java/bjc/rgens/parser/elements/vars/LiteralVariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/LiteralVariableElement.java
index e7415f5..595397b 100644
--- a/src/main/java/bjc/rgens/parser/elements/vars/LiteralVariableElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/vars/LiteralVariableElement.java
@@ -2,15 +2,31 @@ package bjc.rgens.parser.elements.vars;
import bjc.rgens.parser.GenerationState;
+/**
+ * Case element which references a literal variable.
+ *
+ * @author Ben Culkin
+ *
+ */
public class LiteralVariableElement extends VariableElement {
+ /**
+ * The name for the variable.
+ */
public String val;
+ /**
+ * Create a case element which references a literal variable.
+ *
+ * @param forbidSpaces Whether to forbid spaces in the result.
+ * @param val The name of the literal variable.
+ */
public LiteralVariableElement(boolean forbidSpaces, String val) {
super(forbidSpaces);
this.val = val;
}
+ @Override
public void generate(GenerationState state) {
state.appendContents(val);
}
diff --git a/src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java
index e81e9f8..4001b93 100644
--- a/src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java
@@ -4,15 +4,30 @@ import bjc.rgens.parser.GenerationState;
import bjc.rgens.parser.GrammarException;
import bjc.rgens.parser.Rule;
+/**
+ * Rule reference variable element.
+ * @author Ben Culkin
+ *
+ */
public class RRefVariableElement extends VariableElement {
+ /**
+ * The name of the rule to reference.
+ */
public String value;
+ /**
+ * Create a new rule-reference variable element.
+ *
+ * @param forbidSpaces Whether to forbid spaces or not.
+ * @param val The rule to reference.
+ */
public RRefVariableElement(boolean forbidSpaces, String val) {
super(forbidSpaces);
value = val;
}
+ @Override
public void generate(GenerationState state) {
Rule rl = state.findRule(value, true);
diff --git a/src/main/java/bjc/rgens/parser/elements/vars/TRefVariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/TRefVariableElement.java
index c753dfe..efd9007 100644
--- a/src/main/java/bjc/rgens/parser/elements/vars/TRefVariableElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/vars/TRefVariableElement.java
@@ -7,6 +7,7 @@ import bjc.rgens.parser.GenerationState;
*
* finish when template vars are implemented.
*/
+@SuppressWarnings("javadoc")
public class TRefVariableElement extends VariableElement {
public String value;
@@ -16,6 +17,7 @@ public class TRefVariableElement extends VariableElement {
value = val;
}
+ @Override
public void generate(GenerationState state) {
/*
if(!state.rlVars.containsKey(val)) {
diff --git a/src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java
index e65d876..cdead80 100644
--- a/src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/vars/VRefVariableElement.java
@@ -3,15 +3,30 @@ package bjc.rgens.parser.elements.vars;
import bjc.rgens.parser.GenerationState;
import bjc.rgens.parser.GrammarException;
+/**
+ * Variable reference variable element.
+ *
+ * @author Ben Culkin
+ *
+ */
public class VRefVariableElement extends VariableElement {
+ /**
+ * The name of the variable to element.
+ */
public final String nam;
+ /**
+ * Create a new variable referencing variable element.
+ * @param forbidSpaces Whether or not to forbid spaces in the element.
+ * @param nam The name of the variable.
+ */
public VRefVariableElement(boolean forbidSpaces, String nam) {
super(forbidSpaces);
this.nam = nam;
}
+ @Override
public void generate(GenerationState state) {
String strang = state.findVar(nam);
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 eb36af8..c73e249 100644
--- a/src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/vars/VariableElement.java
@@ -7,30 +7,73 @@ import bjc.rgens.parser.GenerationState;
import bjc.rgens.parser.GrammarException;
import bjc.utils.ioutils.LevelSplitter;
+/**
+ * Case element which references a variable.
+ *
+ * @author Ben Culkin
+ *
+ */
public abstract class VariableElement {
+ /**
+ * Whether or not to forbid spaces in this element.
+ */
public boolean forbidSpaces;
+ /**
+ * Create a new variable element.
+ *
+ * @param forbidSpacing
+ * Whether spacing should be forbidden in this element.
+ */
protected VariableElement(boolean forbidSpacing) {
forbidSpaces = forbidSpacing;
}
+ /**
+ * Generate this element.
+ *
+ * @param state
+ * The state of generation.
+ */
public abstract void generate(GenerationState state);
+ /**
+ * Parse a variable element from a string.
+ *
+ * @param varElm
+ * The string to parse.
+ *
+ * @return The variable elements which make up the string.
+ */
public static List<VariableElement> parseElementString(String varElm) {
boolean forbidSpaces = LevelSplitter.def.levelContains(varElm, "-", "+");
String[] parts;
- if(forbidSpaces) {
- parts = LevelSplitter.def.levelSplit(varElm, true, "-", "+").toArray(new String[0]);
+ if (forbidSpaces) {
+ parts = LevelSplitter.def.levelSplit(varElm, true, "-", "+")
+ .toArray(new String[0]);
} else {
- parts = new String[] { varElm };
+ parts = new String[] {
+ varElm
+ };
}
return parseElementString(forbidSpaces, parts);
}
- public static List<VariableElement> parseElementString(boolean forbidSpaces, String... parts) {
+ /**
+ * Parse a string of variable elements.
+ *
+ * @param forbidSpaces
+ * Whether or not to forbid spacing in this variable.
+ * @param parts
+ * The parts to parse into variable elements.
+ *
+ * @return The variable elements from the string.
+ */
+ public static List<VariableElement> parseElementString(boolean forbidSpaces,
+ String... parts) {
List<VariableElement> elms = new ArrayList<>(parts.length);
VariableElement prevElement = null;
@@ -44,23 +87,26 @@ public abstract class VariableElement {
VariableElement elm = null;
- if(part.startsWith("$")) {
+ if (part.startsWith("$")) {
elm = new VRefVariableElement(forbidSpaces, part.substring(1));
} else if (part.startsWith("@")) {
- if(forbidSpaces)
- throw new GrammarException("Arrays references aren't allowed in rule names");
+ 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, String.format("[%s]", part.substring(1)));
+ elm = new RRefVariableElement(forbidSpaces,
+ String.format("[%s]", part.substring(1)));
} else if (part.startsWith("/")) {
throw new GrammarException("Template variables aren't implemented yet");
} else {
- if(prevElement != null && prevElement instanceof LiteralVariableElement) {
+ if (prevElement != null
+ && prevElement instanceof LiteralVariableElement) {
/* Aggregate chain literals together */
- ((LiteralVariableElement)prevElement).val += part;
+ ((LiteralVariableElement) prevElement).val += part;
} else {
- if(part.contains(" ")) {
+ if (part.contains(" ")) {
elm = new LiteralVariableElement(false, part);
} else {
elm = new LiteralVariableElement(true, part);
@@ -68,7 +114,7 @@ public abstract class VariableElement {
}
}
- if(elm != null) {
+ if (elm != null) {
elms.add(elm);
prevElement = elm;