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LibrePilot/ground/uavobjgenerator/generators/python/uavobjectgeneratorpython.cpp
stac 7195862d77 build: Move openpilotgcs into its own subdirectory
This will allow us to build a parent project for
qt-creator that sits above both openpilotgcs and
uavobjgenerator so that we can build both projects
at the same time.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2528 ebee16cc-31ac-478f-84a7-5cbb03baadba
2011-01-22 17:40:26 +00:00

120 lines
4.2 KiB
C++

/**
******************************************************************************
*
* @file uavobjectgeneratorpython.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief produce python code for uavobjects
*
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* 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 3 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 "uavobjectgeneratorpython.h"
using namespace std;
bool UAVObjectGeneratorPython::generate(UAVObjectParser* parser,QString templatepath,QString outputpath) {
fieldTypeStrPython << "b" << "h" << "i" << "B" << "H" << "I" << "f" << "b";
pythonCodePath = QDir( templatepath + QString("ground/openpilotgcs/src/plugins/uavobjects"));
pythonOutputPath = QDir( outputpath + QString("python") );
pythonOutputPath.mkpath(pythonOutputPath.absolutePath());
pythonCodeTemplate = readFile( pythonCodePath.absoluteFilePath("uavobjecttemplate.py") );
QString pythonImport,pythonObjInit;
if (pythonCodeTemplate.isEmpty()) {
std::cerr << "Problem reading python templates" << endl;
return false;
}
for (int objidx = 0; objidx < parser->getNumObjects(); ++objidx) {
ObjectInfo* info=parser->getObjectByIndex(objidx);
process_object(info);
// check if they are needed - are never written atm ..
pythonImport.append("import " + info->namelc + "\n");
pythonObjInit.append("\tuavobjectsinit.uavobjects.append(" + info->name + "." + info->name + "())\n");
}
return true; // if we come here everything should be fine
}
/**
* Generate the python object files
*/
bool UAVObjectGeneratorPython::process_object(ObjectInfo* info)
{
if (info == NULL)
return false;
// Prepare output strings
QString outCode = pythonCodeTemplate;
// Replace common tags
replaceCommonTags(outCode, info);
// Replace the $(DATAFIELDS) tag
QString fields;
fields.append(QString("[ \\\n"));
for (int n = 0; n < info->fields.length(); ++n)
{
fields.append(QString("\tuavobject.UAVObjectField(\n"));
fields.append(QString("\t\t'%1',\n").arg(info->fields[n]->name));
fields.append(QString("\t\t'%1',\n").arg(fieldTypeStrPython[info->fields[n]->type]));
fields.append(QString("\t\t%1,\n").arg(info->fields[n]->numElements));
QStringList elemNames = info->fields[n]->elementNames;
fields.append(QString("\t\t[\n"));
for (int m = 0; m < elemNames.length(); ++m)
{
fields.append(QString("\t\t\t'%1',\n").arg(elemNames[m]));
}
fields.append(QString("\t\t],\n"));
fields.append(QString("\t\t{\n"));
if (info->fields[n]->type == FIELDTYPE_ENUM)
{
// Go through each option
QStringList options = info->fields[n]->options;
for (int m = 0; m < options.length(); ++m){
fields.append( QString("\t\t\t'%1' : '%2',\n")
.arg(m)
.arg( options[m] ) );
}
}
fields.append(QString("\t\t}\n"));
fields.append(QString("\t),\n"));
}
fields.append(QString("]\n"));
outCode.replace(QString("$(DATAFIELDS)"), fields);
// Write the Python code
bool res = writeFileIfDiffrent( pythonOutputPath.absolutePath() + "/" + info->namelc + ".py", outCode );
if (!res) {
cout << "Error: Could not write Python output files" << endl;
return false;
}
return true;
}