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Eclipse SUMO - Simulation of Urban MObility
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Go to the documentation of this file.
68 static std::string
getFilePath(
const std::string& path);
76 static std::string
addExtension(
const std::string& path,
const std::string& extension);
100 static bool isSocket(
const std::string& name);
112 static bool isAbsolute(
const std::string& path);
125 static std::string
checkForRelativity(
const std::string& filename,
const std::string& basePath);
141 static std::ostream&
writeInt(std::ostream& strm,
int value);
151 static std::ostream&
writeFloat(std::ostream& strm,
double value);
159 static std::ostream&
writeByte(std::ostream& strm,
unsigned char value);
171 static std::ostream&
writeString(std::ostream& strm,
const std::string& value);
190 template <
typename E>
191 static std::ostream&
writeEdgeVector(std::ostream& os,
const std::vector<E>& edges);
199 template <
typename E>
200 static void readEdgeVector(std::istream& in, std::vector<const E*>& edges,
const std::string& rid);
205 template <
typename E>
208 std::vector<int> follow;
210 E prev = edges.front();
211 for (
typename std::vector<E>::const_iterator i = edges.begin() + 1; i != edges.end(); ++i) {
213 for (; idx < prev->getNumSuccessors(); ++idx) {
217 if (prev->getSuccessors()[idx] == (*i)) {
218 follow.push_back(idx);
219 if (idx > maxFollow) {
225 if (idx > 15 || idx == prev->getNumSuccessors()) {
231 if (follow.empty()) {
232 for (
typename std::vector<E>::const_iterator i = edges.begin(); i != edges.end(); ++i) {
236 const int bits = maxFollow > 3 ? 4 : 2;
237 const int numFields = 8 *
sizeof(int) / bits;
242 for (std::vector<int>::const_iterator i = follow.begin(); i != follow.end(); ++i) {
245 if (field == numFields) {
261 template <
typename E>
264 in.read((
char*) &size,
sizeof(
int));
267 in.read((
char*) &bitsOrEntry,
sizeof(
int));
268 if (bitsOrEntry < 0) {
269 const int bits = -bitsOrEntry;
270 const int numFields = 8 *
sizeof(int) / bits;
271 const int mask = (1 << bits) - 1;
273 in.read((
char*) &edgeID,
sizeof(
int));
274 const E* prev = E::getAllEdges()[edgeID];
276 edges.push_back(prev);
279 int field = numFields;
280 for (; size > 0; size--) {
281 if (field == numFields) {
282 in.read((
char*) &data,
sizeof(
int));
285 int followIndex = (data >> ((numFields - field - 1) * bits)) & mask;
286 if (followIndex >= prev->getNumSuccessors()) {
287 throw ProcessError(
"Invalid follower index in route '" + rid +
"'!");
289 prev = prev->getSuccessors()[followIndex];
290 edges.push_back(prev);
295 const E* edge = E::getAllEdges()[bitsOrEntry];
297 throw ProcessError(
"An edge within the route '" + rid +
"' is not known!");
299 edges.push_back(edge);
302 in.read((
char*) &bitsOrEntry,
sizeof(
int));
static std::string addExtension(const std::string &path, const std::string &extension)
Add an extension to the given file path.
static std::ostream & writeEdgeVector(std::ostream &os, const std::vector< E > &edges)
Writes an edge vector binary.
static std::string getConfigurationRelative(const std::string &configPath, const std::string &path)
Returns the second path as a relative path to the first file.
static std::ostream & writeInt(std::ostream &strm, int value)
Writes an integer binary.
static std::string checkForRelativity(const std::string &filename, const std::string &basePath)
Returns the path from a configuration so that it is accessable from the current working directory.
static std::ostream & writeFloat(std::ostream &strm, double value)
Writes a float binary.
static std::ostream & writeByte(std::ostream &strm, unsigned char value)
Writes a byte binary.
static std::string getFilePath(const std::string &path)
Removes the file information from the given path.
static std::ostream & writeTime(std::ostream &strm, SUMOTime value)
Writes a time description binary.
static std::string prependToLastPathComponent(const std::string &prefix, const std::string &path)
prepend the given prefix to the last path component of the given file path
static bool isSocket(const std::string &name)
Returns the information whether the given name represents a socket.
static std::ostream & writeString(std::ostream &strm, const std::string &value)
Writes a string binary.
static void readEdgeVector(std::istream &in, std::vector< const E * > &edges, const std::string &rid)
Reads an edge vector binary.
Functions for an easier usage of files and paths.
static bool isAbsolute(const std::string &path)
Returns the information whether the given path is absolute.
static bool isDirectory(std::string path)
Checks whether the given file is a directory.
static bool isReadable(std::string path)
Checks whether the given file is readable.