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LibrePilot/ground/uavobjgenerator/generators/gcs/uavobjectgeneratorgcs.cpp

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/**
******************************************************************************
*
* @file uavobjectgeneratorgcs.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief produce gcs 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 "uavobjectgeneratorgcs.h"
using namespace std;
bool UAVObjectGeneratorGCS::generate(UAVObjectParser *parser, QString templatepath, QString outputpath)
{
fieldTypeStrCPP << "qint8" << "qint16" << "qint32" <<
"quint8" << "quint16" << "quint32" << "float" << "quint8";
fieldTypeStrCPPClass << "INT8" << "INT16" << "INT32"
<< "UINT8" << "UINT16" << "UINT32" << "FLOAT32" << "ENUM";
gcsCodePath = QDir(templatepath + QString(GCS_CODE_DIR));
gcsOutputPath = QDir(outputpath + QString("gcs"));
gcsOutputPath.mkpath(gcsOutputPath.absolutePath());
gcsCodeTemplate = readFile(gcsCodePath.absoluteFilePath("uavobject.cpp.template"));
gcsIncludeTemplate = readFile(gcsCodePath.absoluteFilePath("uavobject.h.template"));
QString gcsInitTemplate = readFile(gcsCodePath.absoluteFilePath("uavobjectsinit.cpp.template"));
if (gcsCodeTemplate.isEmpty() || gcsIncludeTemplate.isEmpty() || gcsInitTemplate.isEmpty()) {
std::cerr << "Problem reading gcs code templates" << endl;
return false;
}
QString objInc;
QString gcsObjInit;
for (int objidx = 0; objidx < parser->getNumObjects(); ++objidx) {
ObjectInfo *info = parser->getObjectByIndex(objidx);
process_object(info);
gcsObjInit.append(" objMngr->registerObject( new " + info->name + "() );\n");
objInc.append("#include \"" + info->namelc + ".h\"\n");
}
// Write the gcs object inialization files
gcsInitTemplate.replace(QString("$(OBJINC)"), objInc);
gcsInitTemplate.replace(QString("$(OBJINIT)"), gcsObjInit);
bool res = writeFileIfDiffrent(gcsOutputPath.absolutePath() + "/uavobjectsinit.cpp", gcsInitTemplate);
if (!res) {
cout << "Error: Could not write output files" << endl;
return false;
}
return true; // if we come here everything should be fine
}
/**
* Generate the GCS object files
*/
bool UAVObjectGeneratorGCS::process_object(ObjectInfo *info)
{
if (info == NULL) {
return false;
}
// Prepare output strings
QString outInclude = gcsIncludeTemplate;
QString outCode = gcsCodeTemplate;
// 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 $(PROPERTIES) and related tags
QString properties;
QString propertiesImpl;
QString propertyGetters;
QString propertySetters;
QString propertyNotifications;
QString propertyNotificationsImpl;
// to avoid name conflicts
QStringList reservedProperties;
reservedProperties << "Description" << "Metadata";
for (int n = 0; n < info->fields.length(); ++n) {
FieldInfo *field = info->fields[n];
if (reservedProperties.contains(field->name)) {
continue;
}
// Determine type
type = fieldTypeStrCPP[field->type];
// Append field
if (field->numElements > 1) {
//add both field(elementIndex)/setField(elemntIndex,value) and field_element properties
//field_element is more convenient if only certain element is used
//and much easier to use from the qml side
propertyGetters +=
QString(" Q_INVOKABLE %1 get%2(quint32 index) const;\n")
.arg(type).arg(field->name);
propertiesImpl +=
QString("%1 %2::get%3(quint32 index) const\n"
"{\n"
" QMutexLocker locker(mutex);\n"
" return data.%3[index];\n"
"}\n")
.arg(type).arg(info->name).arg(field->name);
propertySetters +=
QString(" void set%1(quint32 index, %2 value);\n")
.arg(field->name).arg(type);
propertiesImpl +=
QString("void %1::set%2(quint32 index, %3 value)\n"
"{\n"
" mutex->lock();\n"
" bool changed = data.%2[index] != value;\n"
" data.%2[index] = value;\n"
" mutex->unlock();\n"
" if (changed) emit %2Changed(index,value);\n"
"}\n\n")
.arg(info->name).arg(field->name).arg(type);
propertyNotifications +=
QString(" void %1Changed(quint32 index, %2 value);\n")
.arg(field->name).arg(type);
for (int elementIndex = 0; elementIndex < field->numElements; elementIndex++) {
QString elementName = field->elementNames[elementIndex];
properties += QString(" Q_PROPERTY(%1 %2 READ get%2 WRITE set%2 NOTIFY %2Changed);\n")
.arg(type).arg(field->name+"_"+elementName);
propertyGetters +=
QString(" Q_INVOKABLE %1 get%2_%3() const;\n")
.arg(type).arg(field->name).arg(elementName);
propertiesImpl +=
QString("%1 %2::get%3_%4() const\n"
"{\n"
" QMutexLocker locker(mutex);\n"
" return data.%3[%5];\n"
"}\n")
.arg(type).arg(info->name).arg(field->name).arg(elementName).arg(elementIndex);
propertySetters +=
QString(" void set%1_%2(%3 value);\n")
.arg(field->name).arg(elementName).arg(type);
propertiesImpl +=
QString("void %1::set%2_%3(%4 value)\n"
"{\n"
" mutex->lock();\n"
" bool changed = data.%2[%5] != value;\n"
" data.%2[%5] = value;\n"
" mutex->unlock();\n"
" if (changed) emit %2_%3Changed(value);\n"
"}\n\n")
.arg(info->name).arg(field->name).arg(elementName).arg(type).arg(elementIndex);
propertyNotifications +=
QString(" void %1_%2Changed(%3 value);\n")
.arg(field->name).arg(elementName).arg(type);
propertyNotificationsImpl +=
QString(" //if (data.%1[%2] != oldData.%1[%2])\n"
" emit %1_%3Changed(data.%1[%2]);\n")
.arg(field->name).arg(elementIndex).arg(elementName);
}
} else {
properties += QString(" Q_PROPERTY(%1 %2 READ get%2 WRITE set%2 NOTIFY %2Changed);\n")
.arg(type).arg(field->name);
propertyGetters +=
QString(" Q_INVOKABLE %1 get%2() const;\n")
.arg(type).arg(field->name);
propertiesImpl +=
QString("%1 %2::get%3() const\n"
"{\n"
" QMutexLocker locker(mutex);\n"
" return data.%3;\n"
"}\n")
.arg(type).arg(info->name).arg(field->name);
propertySetters +=
QString(" void set%1(%2 value);\n")
.arg(field->name).arg(type);
propertiesImpl +=
QString("void %1::set%2(%3 value)\n"
"{\n"
" mutex->lock();\n"
" bool changed = data.%2 != value;\n"
" data.%2 = value;\n"
" mutex->unlock();\n"
" if (changed) emit %2Changed(value);\n"
"}\n\n")
.arg(info->name).arg(field->name).arg(type);
propertyNotifications +=
QString(" void %1Changed(%2 value);\n")
.arg(field->name).arg(type);
propertyNotificationsImpl +=
QString(" //if (data.%1 != oldData.%1)\n"
" emit %1Changed(data.%1);\n")
.arg(field->name);
}
}
outInclude.replace(QString("$(PROPERTIES)"), properties);
outInclude.replace(QString("$(PROPERTY_GETTERS)"), propertyGetters);
outInclude.replace(QString("$(PROPERTY_SETTERS)"), propertySetters);
outInclude.replace(QString("$(PROPERTY_NOTIFICATIONS)"), propertyNotifications);
outCode.replace(QString("$(PROPERTIES_IMPL)"), propertiesImpl);
outCode.replace(QString("$(NOTIFY_PROPERTIES_CHANGED)"), propertyNotificationsImpl);
// Replace the $(FIELDSINIT) tag
QString finit;
for (int n = 0; n < info->fields.length(); ++n) {
// Setup element names
QString varElemName = info->fields[n]->name + "ElemNames";
finit.append(QString(" QStringList %1;\n").arg(varElemName));
QStringList elemNames = info->fields[n]->elementNames;
for (int m = 0; m < elemNames.length(); ++m) {
finit.append(QString(" %1.append(\"%2\");\n")
.arg(varElemName)
.arg(elemNames[m]));
}
// Only for enum types
if (info->fields[n]->type == FIELDTYPE_ENUM) {
QString varOptionName = info->fields[n]->name + "EnumOptions";
finit.append(QString(" QStringList %1;\n").arg(varOptionName));
QStringList options = info->fields[n]->options;
for (int m = 0; m < options.length(); ++m) {
finit.append(QString(" %1.append(\"%2\");\n")
.arg(varOptionName)
.arg(options[m]));
}
finit.append(QString(" fields.append( new UAVObjectField(QString(\"%1\"), QString(\"%2\"), UAVObjectField::ENUM, %3, %4, QString(\"%5\")));\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->units)
.arg(varElemName)
.arg(varOptionName)
.arg(info->fields[n]->limitValues));
}
// For all other types
else {
finit.append(QString(" fields.append( new UAVObjectField(QString(\"%1\"), QString(\"%2\"), UAVObjectField::%3, %4, QStringList(), QString(\"%5\")));\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->units)
.arg(fieldTypeStrCPPClass[info->fields[n]->type])
.arg(varElemName)
.arg(info->fields[n]->limitValues));
}
}
outCode.replace(QString("$(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 $(INITFIELDS) tag
QString initfields;
for (int n = 0; n < info->fields.length(); ++n) {
if (!info->fields[n]->defaultValues.isEmpty()) {
// For non-array fields
if (info->fields[n]->numElements == 1) {
if (info->fields[n]->type == FIELDTYPE_ENUM) {
initfields.append(QString(" data.%1 = %2;\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->options.indexOf(info->fields[n]->defaultValues[0])));
} else if (info->fields[n]->type == FIELDTYPE_FLOAT32) {
initfields.append(QString(" data.%1 = %2;\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->defaultValues[0].toFloat()));
} else {
initfields.append(QString(" data.%1 = %2;\n")
.arg(info->fields[n]->name)
.arg(info->fields[n]->defaultValues[0].toInt()));
}
} else {
// Initialize all fields in the array
for (int idx = 0; idx < info->fields[n]->numElements; ++idx) {
if (info->fields[n]->type == FIELDTYPE_ENUM) {
initfields.append(QString(" data.%1[%2] = %3;\n")
.arg(info->fields[n]->name)
.arg(idx)
.arg(info->fields[n]->options.indexOf(info->fields[n]->defaultValues[idx])));
} else if (info->fields[n]->type == FIELDTYPE_FLOAT32) {
initfields.append(QString(" data.%1[%2] = %3;\n")
.arg(info->fields[n]->name)
.arg(idx)
.arg(info->fields[n]->defaultValues[idx].toFloat()));
} else {
initfields.append(QString(" data.%1[%2] = %3;\n")
.arg(info->fields[n]->name)
.arg(idx)
.arg(info->fields[n]->defaultValues[idx].toInt()));
}
}
}
}
}
outCode.replace(QString("$(INITFIELDS)"), initfields);
// Write the GCS code
bool res = writeFileIfDiffrent(gcsOutputPath.absolutePath() + "/" + info->namelc + ".cpp", outCode);
if (!res) {
cout << "Error: Could not write gcs output files" << endl;
return false;
}
res = writeFileIfDiffrent(gcsOutputPath.absolutePath() + "/" + info->namelc + ".h", outInclude);
if (!res) {
cout << "Error: Could not write gcs output files" << endl;
return false;
}
return true;
}