/*
* 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);
}
}
