/*

 * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

# include "incls/_precompiled.incl"

# include "incls/_symbolOop.cpp.incl"

bool symbolOopDesc::equals(const char* str, int len) const {

  int l = utf8_length();

  if (l != len) return false;

  while (l-- > 0) {

    if (str[l] != (char) byte_at(l))

      return false;

  }

  assert(l == -1, "we should be at the beginning");

  return true;

}

char* symbolOopDesc::as_C_string(char* buf, int size) const {

  if (size > 0) {

    int len = MIN2(size - 1, utf8_length());

    for (int i = 0; i < len; i++) {

      buf[i] = byte_at(i);

    }

    buf[len] = '\0';

  }

  return buf;

}

char* symbolOopDesc::as_C_string() const {

  int len = utf8_length();

  char* str = NEW_RESOURCE_ARRAY(char, len + 1);

  return as_C_string(str, len + 1);

}

char* symbolOopDesc::as_C_string_flexible_buffer(Thread* t,

                                                 char* buf, int size) const {

  char* str;

  int len = utf8_length();

  int buf_len = len + 1;

  if (size < buf_len) {

    str = NEW_RESOURCE_ARRAY(char, buf_len);

  } else {

    str = buf;

  }

  return as_C_string(str, buf_len);

}

void symbolOopDesc::print_symbol_on(outputStream* st) {

  st = st ? st : tty;

  int length = UTF8::unicode_length((const char*)bytes(), utf8_length());

  const char *ptr = (const char *)bytes();

  jchar value;

  for (int index = 0; index < length; index++) {

    ptr = UTF8::next(ptr, &value);

    if (value >= 32 && value < 127 || value == '\'' || value == '\\') {

      st->put(value);

    } else {

      st->print("\\u%04x", value);

    }

  }

}

jchar* symbolOopDesc::as_unicode(int& length) const {

  symbolOopDesc* this_ptr = (symbolOopDesc*)this;

  length = UTF8::unicode_length((char*)this_ptr->bytes(), utf8_length());

  jchar* result = NEW_RESOURCE_ARRAY(jchar, length);

  if (length > 0) {

    UTF8::convert_to_unicode((char*)this_ptr->bytes(), result, length);

  }

  return result;

}

const char* symbolOopDesc::as_klass_external_name(char* buf, int size) const {

  if (size > 0) {

    char* str    = as_C_string(buf, size);

    int   length = (int)strlen(str);

    // Turn all '/'s into '.'s (also for array klasses)

    for (int index = 0; index < length; index++) {

      if (str[index] == '/') {

        str[index] = '.';

      }

    }

    return str;

  } else {

    return buf;

  }

}

const char* symbolOopDesc::as_klass_external_name() const {

  char* str    = as_C_string();

  int   length = (int)strlen(str);

  // Turn all '/'s into '.'s (also for array klasses)

  for (int index = 0; index < length; index++) {

    if (str[index] == '/') {

      str[index] = '.';

    }

  }

  return str;

}