/*
 * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#include "precompiled.hpp"
#include "memory/allocation.inline.hpp"
#include "runtime/thread.hpp"
#include "services/diagnosticArgument.hpp"

void GenDCmdArgument::read_value(const char* str, size_t len, TRAPS) {
  if (_is_set) {
    THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
            "Duplicates in diagnostic command arguments");
  }
  parse_value(str, len, CHECK);
  _is_set = true;
}

template <> void DCmdArgument<jlong>::parse_value(const char* str,
        size_t len, TRAPS) {
  if(sscanf(str,INT64_FORMAT,&_value) != 1) {
    THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
      "Integer parsing error in diagnostic command arguments");
  }
}

template <> void DCmdArgument<jlong>::init_value(TRAPS) {
  if(has_default()) {
    this->parse_value(_default_string, strlen(_default_string), THREAD);
    if (HAS_PENDING_EXCEPTION) {
      fatal("Default string must be parsable");
    }
  } else {
    _value = 0;
  }
}

template <> void DCmdArgument<jlong>::destroy_value() { }

template <> void DCmdArgument<bool>::parse_value(const char* str,
        size_t len, TRAPS) {
  if(len == 0) {
    _value = false;
  } else {
    if(strcasecmp(str,"true") == 0) {
       _value = true;
    } else if (strcasecmp(str, "false") == 0) {
       _value = false;
    } else {
      THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
        "Boolean parsing error in diagnostic command arguments");
    }
  }
}

template <> void DCmdArgument<bool>::init_value(TRAPS) {
   if(has_default()) {
    this->parse_value(_default_string, strlen(_default_string), THREAD);
    if (HAS_PENDING_EXCEPTION) {
      fatal("Default string must be parsable");
    }
  } else {
    _value = false;
  }
}

template <> void DCmdArgument<bool>::destroy_value() { }

template <> void DCmdArgument<char*>::parse_value(const char* str,
        size_t len, TRAPS) {
  _value = NEW_C_HEAP_ARRAY(char, len+1);
  strncpy(_value, str, len);
  _value[len] = 0;
}

template <> void DCmdArgument<char*>::init_value(TRAPS) {
  if(has_default()) {
    this->parse_value(_default_string, strlen(_default_string), THREAD);
    if (HAS_PENDING_EXCEPTION) {
      fatal("Default string must be parsable");
    }
  } else {
    _value = NULL;
  }
}

template <> void DCmdArgument<char*>::destroy_value() {
  if(_value != NULL) {
    FREE_C_HEAP_ARRAY(char, _value);
    _value = NULL;
  }
}