You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.7 KiB
65 lines
1.7 KiB
/*
|
|
This file is part of cpp-ethereum.
|
|
|
|
cpp-ethereum 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file CommonJS.cpp
|
|
* @authors:
|
|
* Gav Wood <i@gavwood.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
#include "CommonJS.h"
|
|
using namespace std;
|
|
using namespace eth;
|
|
|
|
bytes eth::jsToBytes(string const& _s)
|
|
{
|
|
if (_s.substr(0, 2) == "0x")
|
|
// Hex
|
|
return fromHex(_s.substr(2));
|
|
else if (_s.find_first_not_of("0123456789") == string::npos)
|
|
// Decimal
|
|
return toCompactBigEndian(bigint(_s));
|
|
else
|
|
// Binary
|
|
return asBytes(_s);
|
|
}
|
|
|
|
string eth::jsPadded(string const& _s, unsigned _l, unsigned _r)
|
|
{
|
|
bytes b = jsToBytes(_s);
|
|
while (b.size() < _l)
|
|
b.insert(b.begin(), 0);
|
|
while (b.size() < _r)
|
|
b.push_back(0);
|
|
return asString(b).substr(b.size() - max(_l, _r));
|
|
}
|
|
|
|
string eth::jsPadded(string const& _s, unsigned _l)
|
|
{
|
|
if (_s.substr(0, 2) == "0x" || _s.find_first_not_of("0123456789") == string::npos)
|
|
// Numeric: pad to right
|
|
return jsPadded(_s, _l, _l);
|
|
else
|
|
// Text: pad to the left
|
|
return jsPadded(_s, 0, _l);
|
|
}
|
|
|
|
string eth::jsUnpadded(string _s)
|
|
{
|
|
auto p = _s.find_last_not_of((char)0);
|
|
_s.resize(p == string::npos ? 0 : (p + 1));
|
|
return _s;
|
|
}
|
|
|