spot/spot/misc/formater.cc
Alexandre Duret-Lutz 0d753048ce formater: add support for double-quoted fields
Part of #91.

* spot/misc/formater.cc, spot/misc/formater.hh: Here.
* bin/common_output.cc: Adjust automatic output format.
* doc/org/csv.org: Adjust.
* tests/core/lbt.test, tests/core/ltlfilt.test: More tests.
* NEWS: Mention the changes.
2016-08-08 10:53:33 +02:00

117 lines
3.1 KiB
C++

// -*- coding: utf-8 -*-
// Copyright (C) 2012, 2013, 2016 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
// Spot 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.
//
// Spot 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, see <http://www.gnu.org/licenses/>.
#include "config.h"
#include <spot/misc/formater.hh>
#include <spot/misc/escape.hh>
#include <iostream>
#include <sstream>
#include <cstring>
namespace spot
{
static void unclosed_bracket(const char* s)
{
std::ostringstream ss;
ss << '\'' << s << "' has unclosed bracket";
throw std::runtime_error(ss.str());
}
void
formater::scan(const char* fmt, std::vector<bool>& has) const
{
for (const char* pos = fmt; *pos; ++pos)
if (*pos == '%')
{
char c = *++pos;
// %[...]c
const char* mark = pos;
if (c == '[')
{
do
{
++pos;
if (SPOT_UNLIKELY(!*pos))
unclosed_bracket(mark - 1);
}
while (*pos != ']');
c = *++pos;
}
has[c] = true;
if (!c)
break;
}
}
void
formater::prime(const char* fmt)
{
scan(fmt, has_);
}
std::ostream&
formater::format(const char* fmt)
{
for (const char* pos = fmt; *pos; ++pos)
{
if (*pos == '"')
{
*output_ << '"';
const char* end = strchr(pos + 1, '"');
if (!end)
continue;
std::string tmp(pos + 1, end - (pos + 1));
std::ostringstream os;
format(os, tmp);
escape_rfc4180(*output_, os.str());
pos = end;
// the end double-quote will be printed below
}
if (*pos != '%')
{
*output_ << *pos;
}
else
{
char c = *++pos;
const char* next = pos;
// in case we have %[...]X... , we want to pass
// [...]X... to the printer, and continue after the X once
// that is done.
if (c == '[')
{
do
{
++next;
if (SPOT_UNLIKELY(*next == 0))
unclosed_bracket(pos - 1);
}
while (*next != ']');
c = *++next;
}
call_[c]->print(*output_, pos);
if (!c)
break;
pos = next;
}
}
return *output_;
}
}