public override IScriptable Construct (Context cx, IScriptable scope, object [] args)
{
BuiltinRegExp re = new BuiltinRegExp ();
re.compile (cx, scope, args);
ScriptRuntime.setObjectProtoAndParent (re, scope);
return re;
}
/// <summary> Analog of C match_or_replace.</summary>
private static object matchOrReplace (Context cx, IScriptable scope, IScriptable thisObj, object [] args, RegExpImpl reImpl, GlobData data, bool forceFlat)
{
BuiltinRegExp re;
string str = ScriptConvert.ToString (thisObj);
data.str = str;
IScriptable topScope = ScriptableObject.GetTopLevelScope (scope);
if (args.Length == 0) {
object compiled = BuiltinRegExp.compileRE ("", "", false);
re = new BuiltinRegExp (topScope, compiled);
}
else if (args [0] is BuiltinRegExp) {
re = (BuiltinRegExp)args [0];
}
else {
string src = ScriptConvert.ToString (args [0]);
string opt;
if (data.optarg < args.Length) {
args [0] = src;
opt = ScriptConvert.ToString (args [data.optarg]);
}
else {
opt = null;
}
object compiled = BuiltinRegExp.compileRE (src, opt, forceFlat);
re = new BuiltinRegExp (topScope, compiled);
}
data.regexp = re;
data.global = (re.Flags & BuiltinRegExp.JSREG_GLOB) != 0;
int [] indexp = new int [] { 0 };
object result = null;
if (data.mode == EcmaScript.NET.RegExpActions.Search) {
result = re.executeRegExp (cx, scope, reImpl, str, indexp, BuiltinRegExp.TEST);
if (result != null && result.Equals (true))
result = (int)reImpl.leftContext.length;
else
result = -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, BuiltinRegExp.TEST);
if (result == null || !result.Equals (true))
break;
if (data.mode == EcmaScript.NET.RegExpActions.Match) {
match_glob (data, cx, scope, count, reImpl);
}
else {
if (data.mode != EcmaScript.NET.RegExpActions.Replace)
Context.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 == EcmaScript.NET.RegExpActions.Replace) ? BuiltinRegExp.TEST : BuiltinRegExp.MATCH));
}
return result;
}
public static void Init(IScriptable scope, bool zealed)
{
BuiltinRegExp proto = new BuiltinRegExp ();
proto.re = (RECompiled)compileRE ("", null, false);
proto.ActivatePrototypeMap (MAX_PROTOTYPE_ID);
proto.ParentScope = scope;
proto.SetPrototype (GetObjectPrototype (scope));
BuiltinRegExpCtor ctor = new BuiltinRegExpCtor ();
ScriptRuntime.setFunctionProtoAndParent (ctor, scope);
ctor.ImmunePrototypeProperty = proto;
if (zealed) {
proto.SealObject ();
ctor.SealObject ();
}
DefineProperty (scope, "RegExp", ctor, ScriptableObject.DONTENUM);
}