446 lines
22 KiB

#include "src/parser/PnmlParser.h"
#ifdef USE_XERCES
#include <iostream>
#include "src/adapters/XercesAdapter.h"
#include "src/exceptions/UnexpectedException.h"
#include "src/exceptions/WrongFormatException.h"
#include "src/utility/macros.h"
namespace storm {
namespace parser {
storm::gspn::GSPN * PnmlParser::parse(xercesc::DOMElement const* elementRoot ) {
if (storm::adapters::getName(elementRoot) == "pnml") {
traversePnmlElement(elementRoot);
} else {
// If the top-level node is not a "pnml" or "" node, then throw an exception.
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException, "Failed to identify the root element.\n");
}
return builder.buildGspn();
}
void PnmlParser::traversePnmlElement(xercesc::DOMElement const* const element) {
// traverse attributes
for (uint_fast64_t i = 0; i < element->getAttributes()->getLength(); ++i) {
auto attr = element->getAttributes()->item(i);
auto name = storm::adapters::getName(attr);
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown attribute (node=pnml): " + name + "\n");
}
// traverse children
for (uint_fast64_t i = 0; i < element->getChildNodes()->getLength(); ++i) {
auto child = element->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "net") {
traverseNetOrPage(child);
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=pnml): " + name + "\n");
}
}
}
void PnmlParser::traverseNetOrPage(xercesc::DOMNode const* const node) {
// traverse attributes
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
auto attr = node->getAttributes()->item(i);
auto name = storm::adapters::getName(attr);
if (name == "id") {
builder.setGspnName(storm::adapters::XMLtoString(attr->getNodeValue()));
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown attribute (node=" + storm::adapters::XMLtoString(node->getNodeName()) + "): " + name + "\n");
}
}
// traverse children
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "place") {
traversePlace(child);
} else if (name == "transition") {
traverseTransition(child);
} else if (name == "arc") {
traverseArc(child);
} else if (name == "page") {
// Some pnml files have a child named page.
// The page node has the same children like the net node (e.g., place, transition, arc)
traverseNetOrPage(child);
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=" + storm::adapters::XMLtoString(node->getNodeName()) + "): " + name + "\n");
}
}
}
void PnmlParser::traversePlace(xercesc::DOMNode const* const node) {
std::string placeName;
// the first entry is false if the corresponding information was not found in the pnml file
std::pair<bool, uint_fast64_t> numberOfInitialTokens(false, defaultNumberOfInitialTokens);
std::pair<bool, int_fast64_t> capacity(false, defaultCapacity);
// traverse attributes
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
auto attr = node->getAttributes()->item(i);
auto name = storm::adapters::getName(attr);
if (name == "id") {
placeName = storm::adapters::XMLtoString(attr->getNodeValue());
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown attribute (node=place): " + name + "\n");
}
}
// traverse children
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "initialMarking") {
numberOfInitialTokens.first = true;
numberOfInitialTokens.second = traverseInitialMarking(child);
} else if(name == "capacity") {
capacity.first = true;
capacity.second = traverseCapacity(child);
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else if (name == "name" ||
name == "graphics") {
// ignore these tags
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=place): " + name + "\n");
}
}
if (!numberOfInitialTokens.first) {
// no information about the number of initial tokens is found
// use the default number of initial tokens
STORM_PRINT_AND_LOG("unknown numberOfInitialTokens (place=" + placeName + ")\n");
}
if (!capacity.first) {
// no information about the capacity is found
// use default capacity
STORM_PRINT_AND_LOG("unknown capacity (place=" + placeName + ")\n");
}
builder.addPlace(capacity.first ? capacity.second : -1, numberOfInitialTokens.first ? numberOfInitialTokens.second : 0, placeName);
}
void PnmlParser::traverseTransition(xercesc::DOMNode const* const node) {
// the first entry is false if the corresponding information was not found in the pnml file
std::pair<bool, bool> timed(false, defaultTransitionType);
std::pair<bool, std::string> value(false, "");
std::string id;
uint_fast64_t priority = defaultPriority;
// parse attributes
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
auto attr = node->getAttributes()->item(i);
auto name = storm::adapters::getName(attr);
if (name == "id") {
id = storm::adapters::XMLtoString(attr->getNodeValue());
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown attribute (node=transition): " + name + "\n");
}
}
// traverse children
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "rate") {
value.first = true;
value.second = traverseTransitionValue(child);
} else if (name == "timed") {
timed.first = true;
timed.second = traverseTransitionType(child);
} else if (name == "priority") {
priority = traversePriority(child);
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else if (name == "graphics" ||
name == "name" ||
name == "orientation") {
// ignore these tags
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=transition): " + name + "\n");
}
}
// build transition and add it to the gspn
if (!timed.first) {
// found unknown transition type
// abort parsing
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException, "unknown transition type (transition=" + id + ")\n");
return;
}
if (timed.second) {
if (!value.first) {
// no information about the rate is found
// abort the parsing
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException ,"unknown transition rate (transition=" + id + ")\n");
}
builder.addTimedTransition(priority, std::stod(value.second), id);
} else {
if (!value.first) {
// no information about the weight is found
// continue with the default weight
STORM_PRINT_AND_LOG("unknown transition weight (transition=" + id + ")\n");
}
builder.addImmediateTransition(priority, std::stod(value.second), id);
}
}
void PnmlParser::traverseArc(xercesc::DOMNode const* const node) {
// the first entry is false if the corresponding information was not found in the pnml file
std::pair<bool, std::string> source(false, "");
std::pair<bool, std::string> target(false, "");
std::pair<bool, std::string> type(false, defaultArcType);
std::pair<bool, uint_fast64_t> multiplicity(false, defaultMultiplicity);
std::string id;
// parse attributes
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
auto attr = node->getAttributes()->item(i);
auto name = storm::adapters::getName(attr);
if (name == "source") {
source.first = true;
source.second = storm::adapters::XMLtoString(attr->getNodeValue());
} else if (name == "target") {
target.first = true;
target.second = storm::adapters::XMLtoString(attr->getNodeValue());
} else if (name == "id") {
id = storm::adapters::XMLtoString(attr->getNodeValue());
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown attribute (node=arc): " + name + "\n");
}
}
// parse children
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "type") {
type.first = true;
type.second = traverseArcType(child);
} else if(name == "inscription") {
multiplicity.first = true;
multiplicity.second = traverseMultiplicity(child);
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else if (name == "graphics" || name == "arcpath" || name == "tagged") {
// ignore these tags
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=arc): " + name + "\n");
}
}
// check if all necessary information where stored in the pnml file
if (!source.first) {
// could not find start of the arc
// abort parsing
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException ,"unknown arc source (arc=" + id + ")\n");
}
if (!target.first) {
// could not find the target of the arc
// abort parsing
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException ,"unknown arc target (arc=" + id + ")\n");
}
if (!multiplicity.first) {
// no information about the multiplicity of the arc
// continue and use the default multiplicity
STORM_PRINT_AND_LOG("unknown multiplicity (node=arc): " + id + "\n");
}
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException, "No arc type specified for arc '" + id + "'");
if (type.second == "normal") {
builder.addNormalArc(source.second, target.second, multiplicity.second);
} else if (type.second == "inhibition") {
builder.addInhibitionArc(source.second, target.second, multiplicity.second);
} else {
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Arc type '" << type.second << "' in arc '" << id << "' is unknown.");
}
}
uint_fast64_t PnmlParser::traverseInitialMarking(xercesc::DOMNode const* const node) {
uint_fast64_t result = defaultNumberOfInitialTokens;
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "text") {
result = std::stoull(storm::adapters::getName(child->getFirstChild()));
} else if (name == "value") {
auto value = storm::adapters::getName(child->getFirstChild());
value = value.substr(std::string("Default,").length());
result = std::stoull(value);
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else if (name == "graphics") {
// ignore these tags
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=initialMarking): " + name + "\n");
}
}
return result;
}
int_fast64_t PnmlParser::traverseCapacity(xercesc::DOMNode const* const node) {
int_fast64_t result= defaultCapacity;
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "value") {
auto value = storm::adapters::getName(child->getFirstChild());
if (value.find("Default,") == 0) {
value = value.substr(std::string("Default,").length());
}
result = std::stoull(value);
} else if (name == "graphics") {
// ignore these nodes
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=capacity): " + name + "\n");
}
}
return result;
}
uint_fast64_t PnmlParser::traverseMultiplicity(xercesc::DOMNode const* const node) {
uint_fast64_t result = defaultMultiplicity;
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "value") {
auto value = storm::adapters::getName(child->getFirstChild());
if (value.find("Default,") == 0) {
value = value.substr(std::string("Default,").length());
}
result = std::stoull(value);
} else if (name == "graphics") {
// ignore these nodes
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=inscription): " + name + "\n");
}
}
return result;
}
std::string PnmlParser::traverseTransitionValue(xercesc::DOMNode const* const node) {
std::string result;
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "value") {
result = storm::adapters::getName(child->getFirstChild());
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=rate): " + name + "\n");
}
}
return result;
}
bool PnmlParser::traverseTransitionType(xercesc::DOMNode const* const node) {
bool result;
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "value") {
result = storm::adapters::getName(child->getFirstChild()) == "true" ? true : false;
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=timed): " + name + "\n");
}
}
return result;
}
std::string PnmlParser::traverseArcType(xercesc::DOMNode const* const node) {
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
auto attr = node->getAttributes()->item(i);
auto name = storm::adapters::getName(attr);
if (name == "value") {
return storm::adapters::XMLtoString(attr->getNodeValue());
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=type): " + name + "\n");
}
}
return defaultArcType;
}
uint_fast64_t PnmlParser::traversePriority(xercesc::DOMNode const* const node) {
uint_fast64_t result = defaultPriority;
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
if (name == "text") {
result = std::stoull(storm::adapters::getName(child->getFirstChild()));
} else if (name == "value") {
auto value = storm::adapters::getName(child->getFirstChild());
value = value.substr(std::string("Default,").length());
result = std::stoull(value);
} else if (std::all_of(name.begin(), name.end(), isspace)) {
// ignore node (contains only whitespace)
} else if (name == "graphics") {
// ignore these tags
} else {
// Found node or attribute which is at the moment nod handled by this parser.
// Notify the user and continue the parsing.
STORM_PRINT_AND_LOG("unknown child (node=priority): " + name + "\n");
}
}
return result;
}
}
}
#endif