solidity/libdevcore/IndentedWriter.cpp
2017-08-10 22:47:09 +01:00

66 lines
1.5 KiB
C++

/*
This file is part of solidity.
solidity 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.
solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @date 2017
* Indented text writer.
*/
#include <libdevcore/IndentedWriter.h>
#include <libdevcore/Assertions.h>
using namespace std;
using namespace dev;
string IndentedWriter::format() const
{
string result;
for (auto const& line: m_lines)
result += string(line.indentation * 4, ' ') + line.contents + "\n";
return result;
}
void IndentedWriter::newLine()
{
if (!m_lines.back().contents.empty())
m_lines.push_back({ string(), m_lines.back().indentation });
}
void IndentedWriter::indent()
{
newLine();
m_lines.back().indentation++;
}
void IndentedWriter::unindent()
{
newLine();
assertThrow(m_lines.back().indentation > 0, IndentedWriterError, "Negative indentation.");
m_lines.back().indentation--;
}
void IndentedWriter::add(string const& _str)
{
m_lines.back().contents += _str;
}
void IndentedWriter::addLine(string const& _line)
{
newLine();
add(_line);
newLine();
}