XmlNode.QName toNodeQName(Context cx, Object namespaceValue, Object nameValue) {
// This is duplication of constructQName(cx, namespaceValue, nameValue)
// but for XMLName
String localName;
if (nameValue instanceof QName) {
QName qname = (QName) nameValue;
localName = qname.localName();
} else {
localName = ScriptRuntime.toString(nameValue);
}
XmlNode.Namespace ns;
if (namespaceValue == Undefined.instance) {
if ("*".equals(localName)) {
ns = null;
} else {
ns = getDefaultNamespace(cx).getDelegate();
}
} else if (namespaceValue == null) {
ns = null;
} else if (namespaceValue instanceof Namespace) {
ns = ((Namespace) namespaceValue).getDelegate();
} else {
ns = this.namespacePrototype.constructNamespace(namespaceValue).getDelegate();
}
if (localName != null && localName.equals("*")) localName = null;
return XmlNode.QName.create(ns, localName);
}
private String getStringProperty(Scriptable obj, String name, String defaultValue) {
Object value = ScriptableObject.getProperty(obj, name);
if (value != null && value != ScriptableObject.NOT_FOUND) {
return ScriptRuntime.toString(value);
}
return defaultValue;
}
final XML ecmaToXml(Object object) {
// See ECMA357 10.3
if (object == null || object == Undefined.instance) {
throw ScriptRuntime.typeError("Cannot convert " + object + " to XML");
}
if (object instanceof XML) return (XML) object;
if (object instanceof XMLList) {
XMLList list = (XMLList) object;
if (list.getXML() != null) {
return list.getXML();
} else {
throw ScriptRuntime.typeError("Cannot convert list of >1 element to XML");
}
}
// TODO Technically we should fail on anything except a String, Number or Boolean
// See ECMA357 10.3
// Extension: if object is a DOM node, use that to construct the XML
// object.
if (object instanceof Wrapper) {
object = ((Wrapper) object).unwrap();
}
if (object instanceof org.w3c.dom.Node) {
org.w3c.dom.Node node = (org.w3c.dom.Node) object;
return newXML(XmlNode.createElementFromNode(node));
}
// Instead we just blindly cast to a String and let them convert anything.
String s = ScriptRuntime.toString(object);
// TODO Could this get any uglier?
if (s.length() > 0 && s.charAt(0) == '<') {
return parse(s);
} else {
return newXML(XmlNode.createText(options, s));
}
}
/**
* If value represents Uint32 index, make it available through ScriptRuntime.lastUint32Result(cx)
* and return null. Otherwise return the same value as toXMLName(cx, value).
*/
XMLName toXMLNameOrIndex(Context cx, Object value) {
XMLName result;
if (value instanceof XMLName) {
result = (XMLName) value;
} else if (value instanceof String) {
String str = (String) value;
long test = ScriptRuntime.testUint32String(str);
if (test >= 0) {
ScriptRuntime.storeUint32Result(cx, test);
result = null;
} else {
result = toXMLNameFromString(cx, str);
}
} else if (value instanceof Number) {
double d = ((Number) value).doubleValue();
long l = (long) d;
if (l == d && 0 <= l && l <= 0xFFFFFFFFL) {
ScriptRuntime.storeUint32Result(cx, l);
result = null;
} else {
throw badXMLName(value);
}
} else if (value instanceof QName) {
QName qname = (QName) value;
String uri = qname.uri();
boolean number = false;
result = null;
if (uri != null && uri.length() == 0) {
// Only in this case qname.toString() can resemble uint32
long test = ScriptRuntime.testUint32String(uri);
if (test >= 0) {
ScriptRuntime.storeUint32Result(cx, test);
number = true;
}
}
if (!number) {
result = XMLName.formProperty(uri, qname.localName());
}
} else if (value instanceof Boolean || value == Undefined.instance || value == null) {
throw badXMLName(value);
} else {
String str = ScriptRuntime.toString(value);
long test = ScriptRuntime.testUint32String(str);
if (test >= 0) {
ScriptRuntime.storeUint32Result(cx, test);
result = null;
} else {
result = toXMLNameFromString(cx, str);
}
}
return result;
}
public Object action(
Context cx, Scriptable scope, Scriptable thisObj, Object[] args, int actionType) {
GlobData data = new GlobData();
data.mode = actionType;
switch (actionType) {
case RA_MATCH:
{
Object rval;
data.optarg = 1;
rval = matchOrReplace(cx, scope, thisObj, args, this, data, false);
return data.arrayobj == null ? rval : data.arrayobj;
}
case RA_SEARCH:
data.optarg = 1;
return matchOrReplace(cx, scope, thisObj, args, this, data, false);
case RA_REPLACE:
{
Object arg1 = args.length < 2 ? Undefined.instance : args[1];
String repstr = null;
Function lambda = null;
if (arg1 instanceof Function) {
lambda = (Function) arg1;
} else {
repstr = ScriptRuntime.toString(arg1);
}
data.optarg = 2;
data.lambda = lambda;
data.repstr = repstr;
data.dollar = repstr == null ? -1 : repstr.indexOf('$');
data.charBuf = null;
data.leftIndex = 0;
Object val = matchOrReplace(cx, scope, thisObj, args, this, data, true);
SubString rc = this.rightContext;
if (data.charBuf == null) {
if (data.global || val == null || !val.equals(Boolean.TRUE)) {
/* Didn't match even once. */
return data.str;
}
SubString lc = this.leftContext;
replace_glob(data, cx, scope, this, lc.index, lc.length);
}
data.charBuf.append(rc.charArray, rc.index, rc.length);
return data.charBuf.toString();
}
default:
throw Kit.codeBug();
}
}
private static RuntimeException badXMLName(Object value) {
String msg;
if (value instanceof Number) {
msg = "Can not construct XML name from number: ";
} else if (value instanceof Boolean) {
msg = "Can not construct XML name from boolean: ";
} else if (value == Undefined.instance || value == null) {
msg = "Can not construct XML name from ";
} else {
throw new IllegalArgumentException(value.toString());
}
return ScriptRuntime.typeError(msg + ScriptRuntime.toString(value));
}
/** {@inheritDoc} */
@Override
public String getIdentifier(final Object entry) {
// should be final but cannot be for sake of exception handling
String identifier;
if (entry instanceof Scriptable) {
final Context cx = Context.enter();
try {
final Object toString = ScriptableObject.getProperty((Scriptable) entry, "toString");
if (toString instanceof Function) {
final Object toStringResult =
((Function) toString).call(cx, (Scriptable) entry, (Scriptable) entry, new Object[0]);
identifier = ScriptRuntime.toString(toStringResult);
} else if (toString != Scriptable.NOT_FOUND) {
identifier = ScriptRuntime.toString(toString);
} else if (entry instanceof BaseFunction) {
final String functionName = ((BaseFunction) entry).getFunctionName();
identifier =
functionName != null && functionName.length() != 0 ? functionName : entry.toString();
} else {
identifier = entry.toString();
}
} catch (final RhinoException ex) {
LOGGER.debug(
"Exception determining entry identifier via Rhino - falling back to simple toString",
ex);
identifier = entry.toString();
} finally {
Context.exit();
}
} else if (entry != null) {
identifier = entry.toString();
} else {
identifier = null;
}
return identifier;
}
/*
TODO: Too general; this should be split into overloaded methods.
Is that possible?
*/
XmlNode.QName toNodeQName(Context cx, Object nameValue, boolean attribute) {
if (nameValue instanceof XMLName) {
return ((XMLName) nameValue).toQname();
} else if (nameValue instanceof QName) {
QName qname = (QName) nameValue;
return qname.getDelegate();
} else if (nameValue instanceof Boolean
|| nameValue instanceof Number
|| nameValue == Undefined.instance
|| nameValue == null) {
throw badXMLName(nameValue);
} else {
String local = null;
if (nameValue instanceof String) {
local = (String) nameValue;
} else {
local = ScriptRuntime.toString(nameValue);
}
return toNodeQName(cx, local, attribute);
}
}
@Override
boolean propertyIsEnumerable(Object name) {
long index;
if (name instanceof Integer) {
index = ((Integer) name).intValue();
} else if (name instanceof Number) {
double x = ((Number) name).doubleValue();
index = (long) x;
if (index != x) {
return false;
}
if (index == 0 && 1.0 / x < 0) {
// Negative 0
return false;
}
} else {
String s = ScriptRuntime.toString(name);
index = ScriptRuntime.testUint32String(s);
}
return (0 <= index && index < length());
}
final XMLList newXMLListFrom(Object inputObject) {
XMLList rv = newXMLList();
if (inputObject == null || inputObject instanceof Undefined) {
return rv;
} else if (inputObject instanceof XML) {
XML xml = (XML) inputObject;
rv.getNodeList().add(xml);
return rv;
} else if (inputObject instanceof XMLList) {
XMLList xmll = (XMLList) inputObject;
rv.getNodeList().add(xmll.getNodeList());
return rv;
} else {
String frag = ScriptRuntime.toString(inputObject).trim();
if (!frag.startsWith("<>")) {
frag = "<>" + frag + "</>";
}
frag = "<fragment>" + frag.substring(2);
if (!frag.endsWith("</>")) {
throw ScriptRuntime.typeError("XML with anonymous tag missing end anonymous tag");
}
frag = frag.substring(0, frag.length() - 3) + "</fragment>";
XML orgXML = newXMLFromJs(frag);
// Now orphan the children and add them to our XMLList.
XMLList children = orgXML.children();
for (int i = 0; i < children.getNodeList().length(); i++) {
// Copy here is so that they'll be orphaned (parent() will be undefined)
rv.getNodeList().add(((XML) children.item(i).copy()));
}
return rv;
}
}
/* TODO: Can this can be replaced by ecmaToXml below?
*/
final XML newXMLFromJs(Object inputObject) {
String frag;
if (inputObject == null || inputObject == Undefined.instance) {
frag = "";
} else if (inputObject instanceof XMLObjectImpl) {
// todo: faster way for XMLObjects?
frag = ((XMLObjectImpl) inputObject).toXMLString();
} else {
frag = ScriptRuntime.toString(inputObject);
}
if (frag.trim().startsWith("<>")) {
throw ScriptRuntime.typeError("Invalid use of XML object anonymous tags <></>.");
}
if (frag.indexOf("<") == -1) {
// Solo text node
return newXML(XmlNode.createText(options, frag));
}
return parse(frag);
}
/* TODO: Marked deprecated by original author */
XMLName toXMLName(Context cx, Object nameValue) {
XMLName result;
if (nameValue instanceof XMLName) {
result = (XMLName) nameValue;
} else if (nameValue instanceof QName) {
QName qname = (QName) nameValue;
result = XMLName.formProperty(qname.uri(), qname.localName());
} else if (nameValue instanceof String) {
result = toXMLNameFromString(cx, (String) nameValue);
} else if (nameValue instanceof Boolean
|| nameValue instanceof Number
|| nameValue == Undefined.instance
|| nameValue == null) {
throw badXMLName(nameValue);
} else {
String name = ScriptRuntime.toString(nameValue);
result = toXMLNameFromString(cx, name);
}
return result;
}
/** @deprecated */
XMLName toAttributeName(Context cx, Object nameValue) {
if (nameValue instanceof XMLName) {
// TODO Will this always be an XMLName of type attribute name?
return (XMLName) nameValue;
} else if (nameValue instanceof QName) {
return XMLName.create(((QName) nameValue).getDelegate(), true, false);
} else if (nameValue instanceof Boolean
|| nameValue instanceof Number
|| nameValue == Undefined.instance
|| nameValue == null) {
throw badXMLName(nameValue);
} else {
// TODO Not 100% sure that putting these in global namespace is the right thing to do
String localName = null;
if (nameValue instanceof String) {
localName = (String) nameValue;
} else {
localName = ScriptRuntime.toString(nameValue);
}
if (localName != null && localName.equals("*")) localName = null;
return XMLName.create(
XmlNode.QName.create(XmlNode.Namespace.create(""), localName), true, false);
}
}
/*
* Analog of replace_glob() in jsstr.c
*/
private static void replace_glob(
GlobData rdata, Context cx, Scriptable scope, RegExpImpl reImpl, int leftIndex, int leftlen) {
int replen;
String lambdaStr;
if (rdata.lambda != null) {
// invoke lambda function with args lastMatch, $1, $2, ... $n,
// leftContext.length, whole string.
SubString[] parens = reImpl.parens;
int parenCount = (parens == null) ? 0 : parens.length;
Object[] args = new Object[parenCount + 3];
args[0] = reImpl.lastMatch.toString();
for (int i = 0; i < parenCount; i++) {
SubString sub = parens[i];
if (sub != null) {
args[i + 1] = sub.toString();
} else {
args[i + 1] = Undefined.instance;
}
}
args[parenCount + 1] = new Integer(reImpl.leftContext.length);
args[parenCount + 2] = rdata.str;
// This is a hack to prevent expose of reImpl data to
// JS function which can run new regexps modifing
// regexp that are used later by the engine.
// TODO: redesign is necessary
if (reImpl != ScriptRuntime.getRegExpProxy(cx)) Kit.codeBug();
RegExpImpl re2 = new RegExpImpl();
re2.multiline = reImpl.multiline;
re2.input = reImpl.input;
ScriptRuntime.setRegExpProxy(cx, re2);
try {
Scriptable parent = ScriptableObject.getTopLevelScope(scope);
Object result = rdata.lambda.call(cx, parent, parent, args);
lambdaStr = ScriptRuntime.toString(result);
} finally {
ScriptRuntime.setRegExpProxy(cx, reImpl);
}
replen = lambdaStr.length();
} else {
lambdaStr = null;
replen = rdata.repstr.length();
if (rdata.dollar >= 0) {
int[] skip = new int[1];
int dp = rdata.dollar;
do {
SubString sub = interpretDollar(cx, reImpl, rdata.repstr, dp, skip);
if (sub != null) {
replen += sub.length - skip[0];
dp += skip[0];
} else {
++dp;
}
dp = rdata.repstr.indexOf('$', dp);
} while (dp >= 0);
}
}
int growth = leftlen + replen + reImpl.rightContext.length;
StringBuffer charBuf = rdata.charBuf;
if (charBuf == null) {
charBuf = new StringBuffer(growth);
rdata.charBuf = charBuf;
} else {
charBuf.ensureCapacity(rdata.charBuf.length() + growth);
}
charBuf.append(reImpl.leftContext.charArray, leftIndex, leftlen);
if (rdata.lambda != null) {
charBuf.append(lambdaStr);
} else {
do_replace(rdata, cx, reImpl);
}
}
/** Analog of C match_or_replace. */
private static Object matchOrReplace(
Context cx,
Scriptable scope,
Scriptable thisObj,
Object[] args,
RegExpImpl reImpl,
GlobData data,
boolean forceFlat) {
NativeRegExp re;
String str = ScriptRuntime.toString(thisObj);
data.str = str;
Scriptable topScope = ScriptableObject.getTopLevelScope(scope);
if (args.length == 0) {
Object compiled = NativeRegExp.compileRE(cx, "", "", false);
re = new NativeRegExp(topScope, compiled);
} else if (args[0] instanceof NativeRegExp) {
re = (NativeRegExp) args[0];
} else {
String src = ScriptRuntime.toString(args[0]);
String opt;
if (data.optarg < args.length) {
args[0] = src;
opt = ScriptRuntime.toString(args[data.optarg]);
} else {
opt = null;
}
Object compiled = NativeRegExp.compileRE(cx, src, opt, forceFlat);
re = new NativeRegExp(topScope, compiled);
}
data.regexp = re;
data.global = (re.getFlags() & NativeRegExp.JSREG_GLOB) != 0;
int[] indexp = {0};
Object result = null;
if (data.mode == RA_SEARCH) {
result = re.executeRegExp(cx, scope, reImpl, str, indexp, NativeRegExp.TEST);
if (result != null && result.equals(Boolean.TRUE))
result = new Integer(reImpl.leftContext.length);
else result = new Integer(-1);
} else if (data.global) {
re.lastIndex = 0;
for (int count = 0; indexp[0] <= str.length(); count++) {
result = re.executeRegExp(cx, scope, reImpl, str, indexp, NativeRegExp.TEST);
if (result == null || !result.equals(Boolean.TRUE)) break;
if (data.mode == RA_MATCH) {
match_glob(data, cx, scope, count, reImpl);
} else {
if (data.mode != RA_REPLACE) Kit.codeBug();
SubString lastMatch = reImpl.lastMatch;
int leftIndex = data.leftIndex;
int leftlen = lastMatch.index - leftIndex;
data.leftIndex = lastMatch.index + lastMatch.length;
replace_glob(data, cx, scope, reImpl, leftIndex, leftlen);
}
if (reImpl.lastMatch.length == 0) {
if (indexp[0] == str.length()) break;
indexp[0]++;
}
}
} else {
result =
re.executeRegExp(
cx,
scope,
reImpl,
str,
indexp,
((data.mode == RA_REPLACE) ? NativeRegExp.TEST : NativeRegExp.MATCH));
}
return result;
}
