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//-----------------------------------------------------------------------------
/** @file libboardgame_base/Writer.cpp
@author Markus Enzenberger
@copyright GNU General Public License version 3 or later */
//-----------------------------------------------------------------------------
#include "Writer.h"
#include <sstream>
namespace libboardgame_base {
//-----------------------------------------------------------------------------
Writer::Writer(ostream& out)
: m_out(out)
{ }
void Writer::begin_node()
{
write_indent();
m_out << ';';
}
void Writer::begin_tree()
{
write_indent();
m_out << '(';
// Don't indent the first level
if (m_level > 0 && m_indent >= 0)
m_current_indent += static_cast<unsigned>(m_indent);
++m_level;
if (m_indent >= 0)
m_out << '\n';
}
void Writer::end_node()
{
if (m_indent >= 0)
m_out << '\n';
}
void Writer::end_tree()
{
--m_level;
if (m_level > 0 && m_indent >= 0)
m_current_indent -= static_cast<unsigned>(m_indent);
write_indent();
m_out << ')';
if (m_indent >= 0)
m_out << '\n';
}
string Writer::get_escaped(const string& s)
{
ostringstream buffer;
for (char c : s)
{
if (c == ']' || c == '\\')
buffer << '\\' << c;
else if (c == '\t' || c == '\f' || c == '\v')
// Replace whitespace as required by the SGF standard.
buffer << ' ';
else
buffer << c;
}
return buffer.str();
}
void Writer::write_indent()
{
if (m_indent >= 0)
for (unsigned i = 0; i < m_current_indent; ++i)
m_out << ' ';
}
//-----------------------------------------------------------------------------
} // namespace libboardgame_base
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