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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "Option.h"
#include <cstdlib>
#include <cstring>
#include "bitfield.h"
namespace aria2 {
Option::Option()
: table_(option::countOption()),
use_((option::countOption()+7)/8)
{}
Option::~Option() {}
Option::Option(const Option& option)
: table_(option.table_),
use_(option.use_),
parent_(option.parent_)
{}
Option& Option::operator=(const Option& option)
{
if(this != &option) {
table_ = option.table_;
use_ = option.use_;
parent_ = option.parent_;
}
return *this;
}
namespace {
template<typename V>
void setBit(V& b, PrefPtr pref)
{
b[pref->i/8] |= 128 >> (pref->i%8);
}
template<typename V>
void unsetBit(V& b, PrefPtr pref)
{
b[pref->i/8] &= ~(128 >> (pref->i%8));
}
} // namespace
void Option::put(PrefPtr pref, const std::string& value) {
setBit(use_, pref);
table_[pref->i] = value;
}
bool Option::defined(PrefPtr pref) const
{
return bitfield::test(use_, use_.size()*8, pref->i) ||
(parent_ && parent_->defined(pref));
}
bool Option::definedLocal(PrefPtr pref) const
{
return bitfield::test(use_, use_.size()*8, pref->i);
}
bool Option::blank(PrefPtr pref) const
{
if(bitfield::test(use_, use_.size()*8, pref->i)) {
return table_[pref->i].empty();
} else {
return !parent_ || parent_->blank(pref);
}
}
const std::string& Option::get(PrefPtr pref) const
{
if(bitfield::test(use_, use_.size()*8, pref->i)) {
return table_[pref->i];
} else if(parent_) {
return parent_->get(pref);
} else {
return A2STR::NIL;
}
}
int32_t Option::getAsInt(PrefPtr pref) const {
const std::string& value = get(pref);
if(value.empty()) {
return 0;
} else {
return strtol(value.c_str(), nullptr, 10);
}
}
int64_t Option::getAsLLInt(PrefPtr pref) const {
const std::string& value = get(pref);
if(value.empty()) {
return 0;
} else {
return strtoll(value.c_str(), nullptr, 10);
}
}
bool Option::getAsBool(PrefPtr pref) const {
return get(pref) == A2_V_TRUE;
}
double Option::getAsDouble(PrefPtr pref) const {
const std::string& value = get(pref);
if(value.empty()) {
return 0.0;
} else {
return strtod(value.c_str(), nullptr);
}
}
void Option::remove(PrefPtr pref)
{
unsetBit(use_, pref);
table_[pref->i].clear();
}
void Option::clear()
{
std::fill(use_.begin(), use_.end(), 0);
std::fill(table_.begin(), table_.end(), "");
}
void Option::merge(const Option& option)
{
size_t bits = option.use_.size()*8;
for(size_t i = 1, len = table_.size(); i < len; ++i) {
if(bitfield::test(option.use_, bits, i)) {
use_[i/8] |= 128 >> (i%8);
table_[i] = option.table_[i];
}
}
}
void Option::setParent(const std::shared_ptr<Option>& parent)
{
parent_ = parent;
}
const std::shared_ptr<Option>& Option::getParent() const
{
return parent_;
}
} // namespace aria2
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