public void testStrConvEncThatGrows() throws Exception {
String javaStr = "--- こんにちは！";
RubyString rubyStr = RubyString.newString(runtime, javaStr);
rubyStr =
EncodingUtils.strConvEnc(
runtime.getCurrentContext(), rubyStr, rubyStr.getEncoding(), SJISEncoding.INSTANCE);
assertEquals(rubyStr.getEncoding(), SJISEncoding.INSTANCE);
rubyStr =
EncodingUtils.strConvEnc(
runtime.getCurrentContext(), rubyStr, SJISEncoding.INSTANCE, UTF8Encoding.INSTANCE);
assertEquals(rubyStr.getEncoding(), UTF8Encoding.INSTANCE);
}
@JRubyMethod
public IRubyObject set_encoding(ThreadContext context, IRubyObject ext_enc) {
Encoding enc;
if (ext_enc.isNil()) {
enc = EncodingUtils.defaultExternalEncoding(context.runtime);
} else {
enc = EncodingUtils.rbToEncoding(context, ext_enc);
}
if (ptr.string.getEncoding() != enc) {
ptr.string.modify();
ptr.string.setEncoding(enc);
}
return this;
}
@JRubyMethod(
name = {"write"},
required = 1)
public IRubyObject write(ThreadContext context, IRubyObject arg) {
checkWritable();
Ruby runtime = context.runtime;
RubyString str = arg.asString();
int len, olen;
Encoding enc, enc2;
enc = ptr.string.getEncoding();
enc2 = str.getEncoding();
if (enc != enc2
&& enc != EncodingUtils.ascii8bitEncoding(runtime)
// this is a hack because we don't seem to handle incoming ASCII-8BIT properly in transcoder
&& enc2 != ASCIIEncoding.INSTANCE) {
str = runtime.newString(Transcoder.strConvEnc(context, str.getByteList(), enc2, enc));
}
len = str.size();
if (len == 0) return RubyFixnum.zero(runtime);
checkModifiable();
olen = ptr.string.size();
if ((ptr.flags & OpenFile.APPEND) != 0) {
ptr.pos = olen;
}
if (ptr.pos == olen
// this is a hack because we don't seem to handle incoming ASCII-8BIT properly in transcoder
&& enc2 != ASCIIEncoding.INSTANCE) {
EncodingUtils.encStrBufCat(runtime, ptr.string, str.getByteList(), enc);
} else {
strioExtend(ptr.pos, len);
ByteList ptrByteList = ptr.string.getByteList();
System.arraycopy(
str.getByteList().getUnsafeBytes(),
str.getByteList().getBegin(),
ptrByteList.getUnsafeBytes(),
ptrByteList.begin + ptr.pos,
len);
ptr.string.infectBy(str);
}
ptr.string.infectBy(this);
ptr.pos += len;
return RubyFixnum.newFixnum(runtime, len);
}
@Override
protected IRubyObject inspectAry(ThreadContext context) {
if (!packed()) return super.inspectAry(context);
final Ruby runtime = context.runtime;
RubyString str =
RubyString.newStringLight(runtime, DEFAULT_INSPECT_STR_SIZE, USASCIIEncoding.INSTANCE);
EncodingUtils.strBufCat(runtime, str, OPEN_BRACKET);
boolean tainted = isTaint();
RubyString s = inspect(context, value);
if (s.isTaint()) tainted = true;
else str.setEncoding(s.getEncoding());
str.cat19(s);
EncodingUtils.strBufCat(runtime, str, CLOSE_BRACKET);
if (tainted) str.setTaint(true);
return str;
}
@JRubyMethod(visibility = PRIVATE)
public IRubyObject initialize(
ThreadContext context, IRubyObject src, IRubyObject dest, IRubyObject _opt) {
Ruby runtime = context.runtime;
EncodingService encodingService = runtime.getEncodingService();
// both may be null
Encoding srcEncoding = encodingService.getEncodingFromObjectNoError(src);
Encoding destEncoding = encodingService.getEncodingFromObjectNoError(dest);
int flags = 0;
IRubyObject replace = context.nil;
if (srcEncoding == destEncoding && srcEncoding != null) {
throw runtime.newConverterNotFoundError(
"code converter not found (" + srcEncoding + " to " + destEncoding + ")");
}
// Ensure we'll be able to get charsets fo these encodings
try {
if (srcEncoding != destEncoding) {
if (srcEncoding != null) encodingService.charsetForEncoding(srcEncoding);
if (destEncoding != null) encodingService.charsetForEncoding(destEncoding);
}
} catch (RaiseException e) {
if (e.getException().getMetaClass().getBaseName().equals("CompatibilityError")) {
throw runtime.newConverterNotFoundError(
"code converter not found (" + srcEncoding + " to " + destEncoding + ")");
} else {
throw e;
}
}
if (!_opt.isNil()) {
if (_opt instanceof RubyHash) {
RubyHash opt = (RubyHash) _opt;
flags |= EncodingUtils.econvPrepareOpts(context, opt, new IRubyObject[] {opt});
IRubyObject value = opt.fastARef(runtime.newSymbol("replace"));
if (value != null) {
replace = value;
}
} else {
flags = (int) _opt.convertToInteger().getLongValue();
replace = context.nil;
}
}
transcoder = new CharsetTranscoder(context, destEncoding, srcEncoding, flags, replace);
return context.runtime.getNil();
}