in ext/puma_http11/org/jruby/puma/Http11.java [91:125]
public static void http_field(Ruby runtime, RubyHash req, ByteList buffer, int field, int flen, int value, int vlen) {
RubyString f;
IRubyObject v;
validateMaxLength(runtime, flen, MAX_FIELD_NAME_LENGTH, MAX_FIELD_NAME_LENGTH_ERR);
validateMaxLength(runtime, vlen, MAX_FIELD_VALUE_LENGTH, MAX_FIELD_VALUE_LENGTH_ERR);
ByteList b = new ByteList(buffer,field,flen);
for(int i = 0,j = b.length();i<j;i++) {
int bite = b.get(i) & 0xFF;
if(bite == '-') {
b.set(i, (byte)'_');
} else {
b.set(i, (byte)Character.toUpperCase(bite));
}
}
while (vlen > 0 && Character.isWhitespace(buffer.get(value + vlen - 1))) vlen--;
if (b.equals(CONTENT_LENGTH_BYTELIST) || b.equals(CONTENT_TYPE_BYTELIST)) {
f = RubyString.newString(runtime, b);
} else {
f = RubyString.newStringShared(runtime, HTTP_PREFIX_BYTELIST);
f.cat(b);
}
b = new ByteList(buffer, value, vlen);
v = req.fastARef(f);
if (v == null || v.isNil()) {
req.fastASet(f, RubyString.newString(runtime, b));
} else {
RubyString vs = v.convertToString();
vs.cat(COMMA_SPACE_BYTELIST);
vs.cat(b);
}
}