2003/06/16 08:03:15

[org.ibex.core.git] / src / org / xwt / js / JS.java

diff --git a/src/org/xwt/js/JS.java b/src/org/xwt/js/JS.java
index 05251b8..c7c1c54 100644 (file)
--- a/src/org/xwt/js/JS.java
+++ b/src/org/xwt/js/JS.java
@@ -19,15 +19,15 @@ public abstract class JS {
 
     /** parse and compile a function */
     public static CompiledFunction parse(String sourceName, int firstLine, Reader sourceCode) throws IOException {
-       return new CompiledFunction(sourceName, firstLine, sourceCode, null);
+        return new CompiledFunction(sourceName, firstLine, sourceCode, null);
     }
 
     /** coerce an object to a Boolean */
     public static boolean toBoolean(Object o) {
-       if (o == null) return false;
-       if (o instanceof Boolean) return ((Boolean)o).booleanValue();
-       if (o instanceof Number) return o.equals(new Integer(0));
-       return true;
+        if (o == null) return false;
+        if (o instanceof Boolean) return ((Boolean)o).booleanValue();
+        if (o instanceof Number) return o.equals(new Integer(0));
+        return true;
     }
 
     /** coerce an object to a Long */
@@ -38,12 +38,12 @@ public abstract class JS {
 
     /** coerce an object to a Number */
     public static Number toNumber(Object o) {
-       if (o == null) return new Long(0);
-       if (o instanceof Number) return ((Number)o);
-       if (o instanceof String) try { return new Double((String)o); } catch (NumberFormatException e) { return new Double(0); }
-       if (o instanceof Boolean) return ((Boolean)o).booleanValue() ? new Long(1) : new Long(0);
-       if (o instanceof JS) return ((JS)o).coerceToNumber();
-       throw new Error("toNumber() got object of type " + o.getClass().getName() + " which we don't know how to handle");
+        if (o == null) return new Long(0);
+        if (o instanceof Number) return ((Number)o);
+        if (o instanceof String) try { return new Double((String)o); } catch (NumberFormatException e) { return new Double(0); }
+        if (o instanceof Boolean) return ((Boolean)o).booleanValue() ? new Long(1) : new Long(0);
+        if (o instanceof JS) return ((JS)o).coerceToNumber();
+        throw new Error("toNumber() got object of type " + o.getClass().getName() + " which we don't know how to handle");
     }
 
 
@@ -62,57 +62,57 @@ public abstract class JS {
 
     /** A sensible implementation of the abstract methods in the JS class */
     public static class Obj extends JS {
-       private Hash entries = new Hash();
-       private boolean sealed = false;
-       public Obj() { this(false); }
-       public Obj(boolean sealed) { this.sealed = sealed; }
-       public void setSeal(boolean sealed) { this.sealed = sealed; }
-       public Object get(Object key) { return entries.get(key); }
-       public void put(Object key, Object val) { if (!sealed) entries.put(key, val); }
-       public Object[] keys() { return(entries.keys()); }
+        private Hash entries = new Hash();
+        private boolean sealed = false;
+        public Obj() { this(false); }
+        public Obj(boolean sealed) { this.sealed = sealed; }
+        public void setSeal(boolean sealed) { this.sealed = sealed; }
+        public Object get(Object key) { return entries.get(key); }
+        public void put(Object key, Object val) { if (!sealed) entries.put(key, val); }
+        public Object[] keys() { return(entries.keys()); }
     }
 
     /** An exception which can be thrown and caught by JavaScript code */
     public static class Exn extends RuntimeException { 
-       private Object js = null; 
-       public Exn(Object js) { this.js = js; } 
-       public String toString() { return "JS.Exn: " + js; }
-       public String getMessage() { return toString(); }
-       public Object getObject() { return js; } 
+        private Object js = null; 
+        public Exn(Object js) { this.js = js; } 
+        public String toString() { return "JS.Exn: " + js; }
+        public String getMessage() { return toString(); }
+        public Object getObject() { return js; } 
     } 
 
     /** The publicly-visible face of JavaScript Array objects */
     public static class Array extends ArrayImpl {
-       public Array() { }
-       public Array(int size) { super(size); }
-       public void setSize(int i) { super.setSize(i); }
-       public int length() { return super.length(); }
-       public Object elementAt(int i) { return super.elementAt(i); }
-       public void addElement(Object o) { super.addElement(o); }
-       public void setElementAt(Object o, int i) { super.setElementAt(o, i); }
+        public Array() { }
+        public Array(int size) { super(size); }
+        public void setSize(int i) { super.setSize(i); }
+        public int length() { return super.length(); }
+        public Object elementAt(int i) { return super.elementAt(i); }
+        public void addElement(Object o) { super.addElement(o); }
+        public void setElementAt(Object o, int i) { super.setElementAt(o, i); }
     }
 
     /** Any object which becomes part of the scope chain must support this interface */ 
     public static class Scope extends ScopeImpl { 
-       public Scope(Scope parentScope) { this(parentScope, false); }
-       public Scope(Scope parentScope, boolean sealed) { super(parentScope, sealed); }
-       public Scope getParentScope() { return super.getParentScope(); }
-       public boolean isTransparent() { return super.isTransparent(); }
-       public boolean has(Object key) { return super.has(key); }
-       public void declare(String s) { super.declare(s); }
+        public Scope(Scope parentScope) { this(parentScope, false); }
+        public Scope(Scope parentScope, boolean sealed) { super(parentScope, sealed); }
+        public Scope getParentScope() { return super.getParentScope(); }
+        public boolean isTransparent() { return super.isTransparent(); }
+        public boolean has(Object key) { return super.has(key); }
+        public void declare(String s) { super.declare(s); }
     } 
 
     /** anything that is callable with the () operator */
     public static abstract class Callable extends JS.Obj {
-       public abstract Object call(JS.Array args) throws JS.Exn;
+        public abstract Object call(JS.Array args) throws JS.Exn;
     }
 
     /** a Callable which was compiled from JavaScript code */
     public static class CompiledFunction extends CompiledFunctionImpl {
-       public Object call(JS.Array args, JS.Scope scope) throws JS.Exn { return super.call(args, scope); }
-       CompiledFunction(String sourceName, int firstLine, Reader sourceCode, Scope scope) throws IOException {
-           super(sourceName, firstLine, sourceCode, scope);
-       }
+        public Object call(JS.Array args, JS.Scope scope) throws JS.Exn { return super.call(args, scope); }
+        CompiledFunction(String sourceName, int firstLine, Reader sourceCode, Scope scope) throws IOException {
+            super(sourceName, firstLine, sourceCode, scope);
+        }
     }
  
 }