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LibrePilot/ground/uavobjgenerator/generators/java/uavobjectgeneratorjava.cpp
2015-03-28 23:27:07 -05:00

249 lines
11 KiB
C++

/**
******************************************************************************
*
* @file uavobjectgeneratorjava.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief produce java 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 <QDebug>
#include "uavobjectgeneratorjava.h"
using namespace std;
bool UAVObjectGeneratorJava::generate(UAVObjectParser *parser, QString templatepath, QString outputpath)
{
fieldTypeStrCPP << "Byte" << "Short" << "Int" <<
"Short" << "Int" << "Long" << "Float" << "Byte";
fieldTypeStrCPPClass << "INT8" << "INT16" << "INT32"
<< "UINT8" << "UINT16" << "UINT32" << "FLOAT32" << "ENUM";
javaCodePath = QDir(templatepath + QString(JAVA_TEMPLATE_DIR));
javaOutputPath = QDir(outputpath + QString("java"));
javaOutputPath.mkpath(javaOutputPath.absolutePath());
javaCodeTemplate = readFile(javaCodePath.absoluteFilePath("uavobject.java.template"));
QString javaInitTemplate = readFile(javaCodePath.absoluteFilePath("uavobjectsinit.java.template"));
if (javaCodeTemplate.isEmpty() || javaInitTemplate.isEmpty()) {
std::cerr << "Problem reading java code templates" << endl;
return false;
}
QString objInc;
QString javaObjInit;
for (int objidx = 0; objidx < parser->getNumObjects(); ++objidx) {
ObjectInfo *info = parser->getObjectByIndex(objidx);
process_object(info);
javaObjInit.append("\t\t\tobjMngr.registerObject( new " + info->name + "() );\n");
objInc.append("#include \"" + info->namelc + ".h\"\n");
}
// Write the gcs object inialization files
javaInitTemplate.replace(QString("$(OBJINC)"), objInc);
javaInitTemplate.replace(QString("$(OBJINIT)"), javaObjInit);
bool res = writeFileIfDifferent(javaOutputPath.absolutePath() + "/UAVObjectsInitialize.java", javaInitTemplate);
if (!res) {
cout << "Error: Could not write output files" << endl;
return false;
}
return true; // if we come here everything should be fine
}
/**
* Generate the java object files
*/
bool UAVObjectGeneratorJava::process_object(ObjectInfo *info)
{
if (info == NULL) {
return false;
}
// Prepare output strings
QString outInclude = javaIncludeTemplate;
QString outCode = javaCodeTemplate;
// Replace common tags
replaceCommonTags(outInclude, info);
replaceCommonTags(outCode, info);
// Replace the $(DATAFIELDS) tag
QString type;
QString fields;
for (int n = 0; n < info->fields.length(); ++n) {
// Determine type
type = fieldTypeStrCPP[info->fields[n]->type];
// Append field
if (info->fields[n]->numElements > 1) {
fields.append(QString(" %1 %2[%3];\n").arg(type).arg(info->fields[n]->name)
.arg(info->fields[n]->numElements));
} else {
fields.append(QString(" %1 %2;\n").arg(type).arg(info->fields[n]->name));
}
}
outInclude.replace(QString("$(DATAFIELDS)"), fields);
// Replace the $(FIELDSINIT) tag
QString finit;
for (int n = 0; n < info->fields.length(); ++n) {
finit.append("\n");
// Setup element names
QString varElemName = info->fields[n]->name + "ElemNames";
finit.append(QString("\t\tList<String> %1 = new ArrayList<String>();\n").arg(varElemName));
QStringList elemNames = info->fields[n]->elementNames;
for (int m = 0; m < elemNames.length(); ++m) {
finit.append(QString("\t\t%1.add(\"%2\");\n")
.arg(varElemName)
.arg(elemNames[m]));
}
// Only for enum types
if (info->fields[n]->type == FIELDTYPE_ENUM) {
QString varOptionName = info->fields[n]->name + "EnumOptions";
finit.append(QString("\t\tList<String> %1 = new ArrayList<String>();\n").arg(varOptionName));
QStringList options = info->fields[n]->options;
for (int m = 0; m < options.length(); ++m) {
finit.append(QString("\t\t%1.add(\"%2\");\n")
.arg(varOptionName)
.arg(options[m]));
}
finit.append(QString("\t\tfields.add( new UAVObjectField(\"%1\", \"%2\", UAVObjectField.FieldType.ENUM, %3, %4) );\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->units)
.arg(varElemName)
.arg(varOptionName));
}
// For all other types
else {
finit.append(QString("\t\tfields.add( new UAVObjectField(\"%1\", \"%2\", UAVObjectField.FieldType.%3, %4, null) );\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->units)
.arg(fieldTypeStrCPPClass[info->fields[n]->type])
.arg(varElemName));
}
}
outCode.replace(QString("$(FIELDSINIT)"), finit);
// Replace the $(DATAFIELDINFO) tag
QString name;
QString enums;
for (int n = 0; n < info->fields.length(); ++n) {
enums.append(QString(" // Field %1 information\n").arg(info->fields[n]->name));
// Only for enum types
if (info->fields[n]->type == FIELDTYPE_ENUM) {
enums.append(QString(" /* Enumeration options for field %1 */\n").arg(info->fields[n]->name));
enums.append(" typedef enum { ");
// Go through each option
QStringList options = info->fields[n]->options;
for (int m = 0; m < options.length(); ++m) {
QString s = (m != (options.length() - 1)) ? "%1_%2=%3, " : "%1_%2=%3";
enums.append(s.arg(info->fields[n]->name.toUpper())
.arg(options[m].toUpper().replace(QRegExp(ENUM_SPECIAL_CHARS), ""))
.arg(m));
}
enums.append(QString(" } %1Options;\n")
.arg(info->fields[n]->name));
}
// Generate element names (only if field has more than one element)
if (info->fields[n]->numElements > 1 && !info->fields[n]->defaultElementNames) {
enums.append(QString(" /* Array element names for field %1 */\n").arg(info->fields[n]->name));
enums.append(" typedef enum { ");
// Go through the element names
QStringList elemNames = info->fields[n]->elementNames;
for (int m = 0; m < elemNames.length(); ++m) {
QString s = (m != (elemNames.length() - 1)) ? "%1_%2=%3, " : "%1_%2=%3";
enums.append(s.arg(info->fields[n]->name.toUpper())
.arg(elemNames[m].toUpper())
.arg(m));
}
enums.append(QString(" } %1Elem;\n")
.arg(info->fields[n]->name));
}
// Generate array information
if (info->fields[n]->numElements > 1) {
enums.append(QString(" /* Number of elements for field %1 */\n").arg(info->fields[n]->name));
enums.append(QString(" static const quint32 %1_NUMELEM = %2;\n")
.arg(info->fields[n]->name.toUpper())
.arg(info->fields[n]->numElements));
}
}
outInclude.replace(QString("$(DATAFIELDINFO)"), enums);
// Replace the $(INITFIELDS) tag
QString initfields;
for (int n = 0; n < info->fields.length(); ++n) {
if (!info->fields[n]->defaultValues.isEmpty()) {
// For non-array fields
if (info->fields[n]->numElements == 1) {
if (info->fields[n]->type == FIELDTYPE_ENUM) {
initfields.append(QString("\t\tgetField(\"%1\").setValue(\"%2\");\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->defaultValues[0]));
} else if (info->fields[n]->type == FIELDTYPE_FLOAT32) {
initfields.append(QString("\t\tgetField(\"%1\").setValue(%2);\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->defaultValues[0].toFloat()));
} else {
initfields.append(QString("\t\tgetField(\"%1\").setValue(%2);\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->defaultValues[0].toInt()));
}
} else {
// Initialize all fields in the array
for (int idx = 0; idx < info->fields[n]->numElements; ++idx) {
if (info->fields[n]->type == FIELDTYPE_ENUM) {
initfields.append(QString("\t\tgetField(\"%1\").setValue(\"%3\",%2);\n")
.arg(info->fields[n]->name)
.arg(idx)
.arg(info->fields[n]->defaultValues[idx]));
} else if (info->fields[n]->type == FIELDTYPE_FLOAT32) {
initfields.append(QString("\t\tgetField(\"%1\").setValue(%3,%2);\n")
.arg(info->fields[n]->name)
.arg(idx)
.arg(info->fields[n]->defaultValues[idx].toFloat()));
} else {
initfields.append(QString("\t\tgetField(\"%1\").setValue(%3,%2);\n")
.arg(info->fields[n]->name)
.arg(idx)
.arg(info->fields[n]->defaultValues[idx].toInt()));
}
}
}
}
}
outCode.replace(QString("$(INITFIELDS)"), initfields);
// Write the java code
bool res = writeFileIfDifferent(javaOutputPath.absolutePath() + "/" + info->name + ".java", outCode);
if (!res) {
cout << "Error: Could not write gcs output files" << endl;
return false;
}
return true;
}