public RubyValue replace(int start, int length, RubyValue value) {
int index = getRealIndex(start);
if (value == RubyConstant.QNIL) {
for (int i = 0; i < length; i++) {
array_.remove(index);
}
return value;
}
if (length < 0) {
throw new RubyException(RubyRuntime.IndexErrorClass, "negative length (" + length + ")");
} else if (0 == length) {
if (value instanceof RubyArray) {
array_.addAll(index, ((RubyArray) value).array_);
} else {
array_.add(index, value);
}
} else {
for (int i = 0; i < length - 1; ++i) {
array_.remove(index);
}
if (value instanceof RubyArray) {
array_.remove(index);
array_.addAll(index, ((RubyArray) value).array_);
} else {
array_.set(index, value);
}
}
return value;
}
private boolean remove(RubyValue v) {
boolean r = false;
while (array_.remove(v)) {
r = true;
}
return r;
}
private RubyArray delete_at(int begin, int length) {
final int arraySize = array_.size();
if (begin > arraySize) {
return null;
}
if (length < 0) {
return null;
}
if (begin < 0) {
begin += arraySize;
}
if (begin + length > arraySize) {
length = arraySize - begin;
if (length < 0) {
length = 0;
}
}
while (length > 0) {
array_.remove(begin);
length--;
}
return this;
}
// @RubyLevelMethod(name="delete_if")
public RubyValue delete_if(RubyBlock block) {
for (int i = 0; i < array_.size(); ) {
RubyValue r = block.invoke(this, (RubyValue) array_.get(i));
if (r.isTrue()) {
array_.remove(i);
} else {
++i;
}
}
return this;
}
// @RubyLevelMethod(name="delete")
public RubyValue delete(RubyValue item, RubyBlock block) {
boolean found = false;
while (array_.remove(item)) {
found = true;
}
if (block != null && !found) {
return block.invoke(item);
} else {
return found ? item : RubyConstant.QNIL;
}
}
public RubyValue delete_at(int index) {
if (index >= size()) {
return RubyConstant.QNIL;
}
if (index < 0) {
index += size();
}
if (index < 0) {
return RubyConstant.QNIL;
}
return (RubyValue) array_.remove(index);
}
// @RubyLevelMethod(name="uniq!")
public RubyValue uniq_danger() {
boolean b = false;
for (int i = 0; i < array_.size(); ++i) {
for (int j = i + 1; j < array_.size(); ) {
if (RubyAPI.testEqual((RubyValue) array_.get(i), (RubyValue) array_.get(j))) {
array_.remove(j);
b = true;
} else {
++j;
}
}
}
if (!b) return RubyConstant.QNIL;
return this;
// return b ? this : RubyConstant.QNIL;
}
