Gav Wood
11 years ago
9 changed files with 126 additions and 125 deletions
@ -0,0 +1,82 @@ |
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/*
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This file is part of cpp-ethereum. |
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file Utility.cpp
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#include "Utility.h" |
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#include <boost/regex.hpp> |
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#include <libethcore/CommonEth.h> |
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using namespace std; |
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using namespace eth; |
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bytes eth::parseData(string const& _args) |
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{ |
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bytes m_data; |
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boost::smatch what; |
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static const boost::regex r("(@|\\$)?\"([^\"]*)\"(\\s.*)?"); |
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static const boost::regex d("(@|\\$)?([0-9]+)(\\s*(ether)|(finney)|(szabo))?(\\s.*)?"); |
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static const boost::regex h("(@|\\$)?(0x)?(([a-fA-F0-9])+)(\\s.*)?"); |
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string s = _args; |
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while (s.size()) |
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if (boost::regex_match(s, what, d)) |
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{ |
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u256 v((string)what[2]); |
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if (what[6] == "szabo") |
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v *= eth::szabo; |
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else if (what[5] == "finney") |
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v *= eth::finney; |
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else if (what[4] == "ether") |
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v *= eth::ether; |
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bytes bs = eth::toCompactBigEndian(v); |
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if (what[1] != "$") |
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for (auto i = bs.size(); i < 32; ++i) |
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m_data.push_back(0); |
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for (auto b: bs) |
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m_data.push_back(b); |
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s = what[7]; |
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} |
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else if (boost::regex_match(s, what, h)) |
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{ |
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bytes bs = fromHex(((what[3].length() & 1) ? "0" : "") + what[3]); |
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if (what[1] != "$") |
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for (auto i = bs.size(); i < 32; ++i) |
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m_data.push_back(0); |
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for (auto b: bs) |
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m_data.push_back(b); |
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s = what[5]; |
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} |
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else if (boost::regex_match(s, what, r)) |
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{ |
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for (auto i: (string)what[2]) |
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m_data.push_back((byte)i); |
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if (what[1] != "$") |
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for (int i = what[2].length(); i < 32; ++i) |
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m_data.push_back(0); |
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else |
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m_data.push_back(0); |
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s = what[3]; |
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} |
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else |
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s = s.substr(1); |
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return m_data; |
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} |
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@ -0,0 +1,32 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
|||
|
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file Utility.h
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* @author Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#pragma once |
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#include <string> |
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#include <libethential/Common.h> |
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namespace eth |
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{ |
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bytes parseData(std::string const& _args); |
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} |
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