namespace policy_utils

Some generic utility functions used by different policy components. More...

 
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Detailed Description

Some generic utility functions used by different policy components.

PolicyUtilsErr (class)

PolicyUtilsErr

template <class T> void  delete_vector (vector<T*>* v)

delete_vector

Deletes a vector by deleting objects and deleting the vector itself. It checks if objects are null and skips them if so. Also checks if vector itself is null.

Parameters:

vvector to delete
template <class T> void  clear_container (T& l)

clear_container

Deletes objects in container. Checks if objects are null and skips them if so.

The container is cleared at the end.

Parameters:

lcontainer to be deleted and cleared.
template <class A, class T> void  clear_map (map<A,T*>& m)

clear_map

Delets objects of a map and clears the map at the end. Checks for null objects.

Parameters:

mmap to be deleted and cleared.
template <class T> void  clear_map_container (T& m)

clear_map_container

Delets objects of a map-like container and clears the map at the end. Checks for null objects.

Parameters:

mmap-like container to be deleted and cleared.
void  str_to_list (const string& in, list<string>& out)

str_to_list

Converts a string in the form "1,2,...,n" to a list of strings.

Parameters:

ininput string.
outoutput list.
void  str_to_set (const string& in, set<string>& out)

str_to_set

Converts a string in the form "1,2,...,n" to a set of strings.

Parameters:

ininput string.
outoutput set.
template <class T> string  to_str (T x)

to_str

Converts an object to a string via an ostringstream.

Parameters:

xobject to convert to string.

Returns: string representation of object.

void  read_file (const string& fname, string& out)

read_file

Reads a file into a string. An exception is thrown on error.

Parameters:

fnamefilename to read.
outoutput string which will be filled with file content.
unsigned  count_nl (const char* x)

count_nl

Count the occurences of newlines in the c-style string.

Parameters:

xthe 0 terminated c-style string to count new lines in.

Returns: the number of new lines in the string.

bool  regex (const string& str, const string& reg)

regex

Match a regex.

Parameters:

strinput string to check.
regregular expression used for matching.

Returns: true if string matches regular expression


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