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parsing pnpro files with constant definitions

main
TimQu 7 years ago
parent
629c305456
commit
6a11927b55
2 changed files with 84 additions and 5 deletions
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  1. 81
      src/storm-gspn/parser/GreatSpnEditorProjectParser.cpp
  2. 8
      src/storm-gspn/parser/GreatSpnEditorProjectParser.h

81
src/storm-gspn/parser/GreatSpnEditorProjectParser.cpp
View File

@ -9,6 +9,7 @@
#include "storm/exceptions/UnexpectedException.h"
#include "storm/exceptions/WrongFormatException.h"
#include "storm/exceptions/NotSupportedException.h"
#include "storm/utility/macros.h"
namespace {
@ -22,7 +23,10 @@ namespace {
namespace storm {
namespace parser {
GreatSpnEditorProjectParser::GreatSpnEditorProjectParser() : manager(std::make_shared<storm::expressions::ExpressionManager>()), expressionParser(*manager) {
// Intentionally left empty
}
storm::gspn::GSPN* GreatSpnEditorProjectParser::parse(xercesc::DOMElement const* elementRoot) {
if (storm::adapters::XMLtoString(elementRoot->getTagName()) == "project") {
traverseProjectElement(elementRoot);
@ -31,8 +35,6 @@ namespace storm {
// 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");
}
}
void GreatSpnEditorProjectParser::traverseProjectElement(xercesc::DOMNode const* const node) {
@ -118,6 +120,19 @@ namespace storm {
}
// traverse children
// First pass: find constant definitions
std::unordered_map<std::string, storm::expressions::Expression> identifierMapping;
expressionParser.setIdentifierMapping(identifierMapping);
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.compare("constant") == 0) {
traverseConstantElement(child, identifierMapping);
}
}
expressionParser.setIdentifierMapping(identifierMapping);
// Second pass: traverse other children
for (uint_fast64_t i = 0; i < node->getChildNodes()->getLength(); ++i) {
auto child = node->getChildNodes()->item(i);
auto name = storm::adapters::getName(child);
@ -126,6 +141,8 @@ namespace storm {
traversePlaceElement(child);
} else if(name.compare("transition") == 0) {
traverseTransitionElement(child);
} else if(name.compare("constant") == 0) {
// Ignore constant def in second pass
} else if (isOnlyWhitespace(name)) {
// ignore node (contains only whitespace)
} else {
@ -136,6 +153,59 @@ namespace storm {
}
}
void GreatSpnEditorProjectParser::traverseConstantElement(xercesc::DOMNode const* const node, std::unordered_map<std::string, storm::expressions::Expression>& identifierMapping) {
std::string identifier;
storm::expressions::Type type;
std::string valueStr = "";
// 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.compare("name") == 0) {
identifier = storm::adapters::XMLtoString(attr->getNodeValue());
} else if (name.compare("consttype") == 0) {
if (storm::adapters::XMLtoString(attr->getNodeValue()).compare("REAL") == 0) {
type = manager->getRationalType();
} else {
STORM_PRINT_AND_LOG("Unknown consttype: " << storm::adapters::XMLtoString(attr->getNodeValue()) << std::endl);
}
} else if (name.compare("value") == 0) {
valueStr = storm::adapters::XMLtoString(attr->getNodeValue());
} else if ((name == "x") || (name == "y")) {
// Ignore
} else {
// Found node or attribute which is at the moment not 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");
}
}
storm::expressions::Expression valueExpression;
if (type.isRationalType()) {
expressionParser.setAcceptDoubleLiterals(true);
valueExpression = manager->rational(expressionParser.parseFromString(valueStr).evaluateAsRational());
} else {
STORM_LOG_THROW(false, storm::exceptions::NotSupportedException, "Unknown type of constant" << type << ".");
}
identifierMapping.emplace(identifier, valueExpression);
// 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 (isOnlyWhitespace(name)) {
// 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 GreatSpnEditorProjectParser::traverseEdgesElement(xercesc::DOMNode const* const node) {
// traverse attributes
for (uint_fast64_t i = 0; i < node->getAttributes()->getLength(); ++i) {
@ -217,7 +287,7 @@ namespace storm {
bool ignoreTransitionAttribute(std::string const& name) {
// TODO we should probably not ignore x-servers but check that it is 0.5.
if ((name == "label-x") || (name == "label-y") || (name == "x") || (name == "y") || (name == "nservers-x")) {
if ((name == "label-x") || (name == "label-y") || (name == "x") || (name == "y") || (name == "nservers-x") || (name == "delay-x") || (name == "delay-y") || (name == "rotation")) {
return true;
}
return false;
@ -242,7 +312,8 @@ namespace storm {
immediateTransition = true;
}
} else if(name.compare("delay") == 0) {
rate = std::stod(storm::adapters::XMLtoString(attr->getNodeValue()));
expressionParser.setAcceptDoubleLiterals(true);
rate = expressionParser.parseFromString(storm::adapters::XMLtoString(attr->getNodeValue())).evaluateAsDouble();
} else if (ignoreTransitionAttribute(name)) {
// ignore node
} else {

8
src/storm-gspn/parser/GreatSpnEditorProjectParser.h
View File

@ -7,6 +7,9 @@
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/util/XMLString.hpp>
#include "storm/storage/expressions/ExpressionManager.h"
#include "storm-parsers/parser/ExpressionParser.h"
#include "storm-gspn/storage/gspn/GSPN.h"
#include "storm-gspn/storage/gspn/GspnBuilder.h"
@ -17,6 +20,8 @@ namespace storm {
public:
GreatSpnEditorProjectParser();
/*!
* Parses the given file into the GSPN.
*
@ -31,6 +36,7 @@ namespace storm {
void traverseNodesElement(xercesc::DOMNode const* const node);
void traverseEdgesElement(xercesc::DOMNode const* const node);
void traverseConstantElement(xercesc::DOMNode const* const node, std::unordered_map<std::string, storm::expressions::Expression>& identifierMapping);
void traversePlaceElement(xercesc::DOMNode const* const node);
void traverseTransitionElement(xercesc::DOMNode const* const node);
void traverseArcElement(xercesc::DOMNode const* const node);
@ -38,6 +44,8 @@ namespace storm {
// the constructed gspn
storm::gspn::GspnBuilder builder;
std::shared_ptr<storm::expressions::ExpressionManager> manager;
storm::parser::ExpressionParser expressionParser;
};
}

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