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/*
*
Context Free Design Grammar - version 0.2
Copyright (C) 2005 Chris Coyne - ccoyne77@gmail.com
Copyright (C) 2005 Mark Lentczner - markl@glyphic.com
Copyright (C) 2005 John Horigan - john@glyphic.com
[Send me anything cool you make with it or of it.]
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
*
*/
#include "cfdg.h"
#include <string>
#include "builder.h"
#include "cfdgimpl.h"
#include "yglue.h"
#include <string.h>
#include <math.h>
using namespace std;
AbstractSystem::~AbstractSystem() { }
void AbstractSystem::stats(const Stats&)
{ }
Canvas::~Canvas() { }
Renderer::~Renderer() { }
CFDG::~CFDG() { }
extern "C" {
int yyparse();
}
Builder* builder = 0;
CFDG*
CFDG::ParseFile(const char* firstFile, AbstractSystem* system, int variation)
{
Builder b(new CFDGImpl(system), variation);
builder = &b;
yg_Reset();
b.m_filesToLoad.push(firstFile);
while (!b.m_filesToLoad.empty()) {
string fname = b.m_filesToLoad.front();
b.m_filesToLoad.pop();
b.m_input = system->openFileForRead(fname);
if (!b.m_input || !b.m_input->good()) {
delete b.m_input;
b.m_input = 0;
system->message(true, "Couldn't open rules file %s", fname.c_str());
return 0;
}
b.m_currentPath = fname;
system->message(false, "Reading rules file %s", fname.c_str());
yg_ResetForNextFile();
int yyresult = yyparse();
if (b.m_input != &cin) delete b.m_input;
b.m_input = 0;
if (yyresult != 0)
return 0;
}
if (b.m_CFDG->getInitialShape().mShapeType < 0) {
system->message(true, "No startshape declared.");
return 0;
}
b.m_CFDG->rulesLoaded();
system->message(false, "%d rules loaded", b.m_CFDG->numRules());
CFDG* result = b.m_CFDG;
b.m_CFDG = 0;
builder = 0;
return result;
}
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