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// commandLineSystem.cpp
// Context Free
// ---------------------
// Copyright (C) 2005-2007 Mark Lentczner - markl@glyphic.com
// Copyright (C) 2007-2013 John Horigan - john@glyphic.com
//
// This program 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 2
// of the License, or (at your option) any later version.
//
// This program 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// Mark Lentczner can be contacted at markl@glyphic.com or at
// Mark Lentczner, 1209 Villa St., Mountain View, CA 94041-1123, USA
//
// John Horigan can be contacted at john@glyphic.com or at
// John Horigan, 1209 Villa St., Mountain View, CA 94041-1123, USA
//
//
#include "commandLineSystem.h"
#include <cstdlib>
#include <cstdarg>
#include <cstring>
#include <string>
#include <fstream>
#include <sstream>
#include <iostream>
#include "bounds.h"
#include "prettyint.h"
#include <istream>
#include "builder.h"
using std::cin;
using std::cerr;
using std::endl;
const char*
CommandLineSystem::maybeLF()
{
return mNeedEndl ? "\n" : "";
}
void
CommandLineSystem::message(const char* fmt, ...)
{
if (mQuiet && !mErrorMode) return;
std::va_list args1;
va_start(args1, fmt);
std::va_list args2;
va_copy(args2, args1);
std::size_t sz = 1 + std::vsnprintf(nullptr, 0, fmt, args1);
if (sz > buf.size())
buf.resize(2 * sz);
va_end(args1);
std::vsnprintf(buf.data(), buf.size(), fmt, args2);
va_end(args2);
cerr << maybeLF() << buf.data() << endl;
mNeedEndl = false;
}
void
CommandLineSystem::syntaxError(const CfdgError& err)
{
// this version doesn't high-light the line in error
// the parser will have already called message() with
// the syntax error information
auto filename = err.where.end.filename && !err.where.end.filename->empty()
? err.where.end.filename->c_str() : "cfdg text";
message("\n%s:%d:%d: error: %s\n", filename, err.where.begin.line,
err.where.begin.column, err.what());
}
bool
CommandLineSystem::error(bool errorOccurred)
{
mErrorMode = mErrorMode || errorOccurred;
return mErrorMode;
}
AbstractSystem::istr_ptr
CommandLineSystem::openFileForRead(const std::string& path)
{
if (path == "-") {
if (!mInputBuffer) {
std::ostringstream ss;
ss << cin.rdbuf();
mInputBuffer = std::make_unique<std::string>(ss.str());
}
mFirstCfdgRead = false;
return std::make_unique<std::istringstream>(*mInputBuffer);
}
return AbstractSystem::openFileForRead(path);
}
void
CommandLineSystem::stats(const Stats& s)
{
if (mQuiet || mErrorMode) return;
if (s.inOutput || s.showProgress) {
double v = s.outputCount ? static_cast<double>(s.outputDone) / s.outputCount : 1.0;
static const char *prog = "**************************************************";
static const char *todo = "..................................................";
if (v < 0.0) v = 0.0;
if (v > 1.0 || !std::isfinite(v)) v = 1.0;
int progress = static_cast<int>(v * 50.0 + 0.5);
cerr << '[';
cerr << &(prog[50 - progress]);
cerr << &(todo[progress]);
cerr << ']';
} else {
cerr << " " << prettyInt(static_cast<unsigned long>(s.shapeCount)) << " shapes";
if (s.toDoCount > 0)
cerr << " - " << prettyInt(static_cast<unsigned long>(s.toDoCount)) << " expansions to do";
}
clearAndCR();
mNeedEndl = true;
cerr.flush();
}
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