@Specialization
public RubyArray unpack(RubyString string, RubyString format) {
final org.jruby.RubyArray jrubyArray =
Pack.unpack(getContext().getRuntime(), string.getBytes(), format.getBytes());
return RubyArray.specializedFromObjects(
getContext().getCoreLibrary().getArrayClass(), jrubyArray.toArray());
}
@Specialization
public Object match(VirtualFrame frame, RubyString string, RubyString regexpString) {
final RubyRegexp regexp =
new RubyRegexp(
getContext().getCoreLibrary().getRegexpClass(),
regexpString.toString(),
Option.DEFAULT);
return regexp.match(frame.getCaller().unpack(), string.toString());
}
@Specialization
public RubyString add(RubyString a, RubyString b) {
// TODO(CS): which encoding do we get here?
final RubyString string =
new RubyString(getContext().getCoreLibrary().getStringClass(), new ByteList());
string.getBytes().append(a.getBytes());
string.getBytes().append(b.getBytes());
return string;
}
@Specialization
public RubyArray split(RubyString string, RubyString sep) {
final String[] components = string.toString().split(Pattern.quote(sep.toString()));
final Object[] objects = new Object[components.length];
for (int n = 0; n < objects.length; n++) {
objects[n] = getContext().makeString(components[n]);
}
return RubyArray.specializedFromObjects(
getContext().getCoreLibrary().getArrayClass(), objects);
}
@CompilerDirectives.SlowPath
private RubyString formatSlow(RubyString format, Object[] args) {
final RubyContext context = getContext();
if (args.length == 1 && args[0] instanceof RubyArray) {
singleArrayProfile.enter();
return context.makeString(
StringFormatter.format(format.toString(), ((RubyArray) args[0]).asList()));
} else {
multipleArgumentsProfile.enter();
return context.makeString(StringFormatter.format(format.toString(), Arrays.asList(args)));
}
}
@CompilerDirectives.SlowPath
@Specialization(order = 1)
public Object getIndex(RubyString string, int index, UndefinedPlaceholder undefined) {
final String javaString = string.toString();
final int normalisedIndex = ArrayUtilities.normaliseIndex(javaString.length(), index);
return getContext().makeString(javaString.charAt(normalisedIndex));
}
@Specialization
public Object match(RubyRegexp regexp, RubyString string) {
notDesignedForCompilation();
return regexp.matchCommon(string.getBytes(), true, false)
!= getContext().getCoreLibrary().getNilObject();
}
@Specialization
public RubyRegexp initialize(RubyRegexp regexp, RubyString string) {
notDesignedForCompilation();
regexp.initialize(this, string.getBytes());
return regexp;
}
@TruffleBoundary
private DateTime localtime(long milliseconds, RubyString timeZone) {
return new DateTime(
milliseconds,
org.jruby.RubyTime.getTimeZoneFromTZString(
getContext().getRuntime(), timeZone.toString()));
}
@Specialization
public RubyString forceEncoding(RubyString string, RubyString encodingName) {
RubyEncoding encoding = RubyEncoding.findEncodingByName(encodingName);
string.forceEncoding(encoding.getRubyEncoding().getEncoding());
return string;
}
@Specialization
public RubyString escape(RubyString pattern) {
notDesignedForCompilation();
return getContext()
.makeString(
org.jruby.RubyRegexp.quote19(new ByteList(pattern.getBytes()), true).toString());
}
@Specialization
public RubyString gsub(RubyString string, RubyString regexpString, RubyString replacement) {
final RubyRegexp regexp =
new RubyRegexp(
getContext().getCoreLibrary().getRegexpClass(),
regexpString.toString(),
Option.DEFAULT);
return gsub(string, regexp, replacement);
}
@Specialization
public RubyArray scan(RubyString string, RubyString regexpString) {
final RubyRegexp regexp =
new RubyRegexp(
getContext().getCoreLibrary().getRegexpClass(),
regexpString.toString(),
Option.DEFAULT);
return scan(string, regexp);
}
@CompilerDirectives.SlowPath
@Specialization
public RubyString add(RubyString string, int times) {
final StringBuilder builder = new StringBuilder();
for (int n = 0; n < times; n++) {
builder.append(string.toString());
}
return getContext().makeString(builder.toString());
}
@Specialization
public RubyArray chomp(RubyString string) {
final byte[] bytes = string.getBytes().bytes();
final int[] ints = new int[bytes.length];
for (int n = 0; n < ints.length; n++) {
ints[n] = RubyFixnum.toUnsignedInt(bytes[n]);
}
return new RubyArray(
getContext().getCoreLibrary().getArrayClass(), new IntegerArrayStore(ints));
}
@CompilerDirectives.SlowPath
@Specialization(order = 3)
public Object getIndex(RubyString string, int start, int length) {
final String javaString = string.toString();
if (length > javaString.length() - start) {
length = javaString.length() - start;
}
if (start > javaString.length()) {
return NilPlaceholder.INSTANCE;
}
return getContext().makeString(javaString.substring(start, start + length));
}
@CompilerDirectives.SlowPath
@Specialization(order = 2)
public Object getIndex(RubyString string, FixnumRange range, UndefinedPlaceholder undefined) {
final String javaString = string.toString();
final int stringLength = javaString.length();
if (range.doesExcludeEnd()) {
final int begin = ArrayUtilities.normaliseIndex(stringLength, range.getBegin());
final int exclusiveEnd =
ArrayUtilities.normaliseExclusiveIndex(stringLength, range.getExclusiveEnd());
return getContext().makeString(javaString.substring(begin, exclusiveEnd));
} else {
final int begin = ArrayUtilities.normaliseIndex(stringLength, range.getBegin());
final int inclusiveEnd =
ArrayUtilities.normaliseIndex(stringLength, range.getInclusiveEnd());
return getContext().makeString(javaString.substring(begin, inclusiveEnd + 1));
}
}
@Specialization
public Object match(VirtualFrame frame, RubyString string, RubyRegexp regexp) {
return regexp.match(frame.getCaller().unpack(), string.toString());
}
@Specialization
public RubyString reverse(RubyString string) {
string.set(new StringBuilder(string.toString()).reverse().toString());
return string;
}
@Specialization
public RubyString reverse(RubyString string) {
return RubyString.fromJavaString(
string.getRubyClass(), new StringBuilder(string.toString()).reverse().toString());
}
@Specialization
public RubySymbol toSym(RubyString string) {
return getContext().newSymbol(string.toString());
}
@Specialization
public Object toI(RubyString string) {
return string.toInteger();
}
@Specialization
public double toF(RubyString string) {
return Double.parseDouble(string.toString());
}
@Specialization
public boolean endWith(RubyString string, RubyString b) {
return string.toString().startsWith(b.toString());
}
@Specialization
public RubyArray split(RubyString string, RubyRegexp sep) {
return RubyArray.specializedFromObjects(
getContext().getCoreLibrary().getArrayClass(), sep.split(string.toString()));
}
@Specialization
public RubyString initialize(RubyString self, RubyString from) {
self.set(from);
return self;
}
@Specialization
public RubyString rjust(RubyString string, int length, RubyString padding) {
return getContext()
.makeString(RubyString.rjust(string.toString(), length, padding.toString()));
}
@Specialization
public RubyString rjust(
RubyString string, int length, @SuppressWarnings("unused") UndefinedPlaceholder padding) {
return getContext().makeString(RubyString.rjust(string.toString(), length, " "));
}
@Specialization
public int size(RubyString string) {
return string.toString().length();
}
@Specialization
public RubyString slice(RubyString string, int start, int length) {
return getContext().makeString(string.toString().substring(start, start + length));
}