/** * C++ function: substfun.h * * Description: substitutes a string to a $var into a text. * * Author: Lorenzo Bettini , (C) 2005 * Copyright: See COPYING file that comes with this distribution */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "substfun.h" using namespace std; namespace srchilite { string subst(const boost::regex &e, const string &s, const string &sub) { string ret; boost::sregex_iterator i1(s.begin(), s.end(), e); boost::sregex_iterator i2; string suffix; if (i1 == i2) return s; // the exp is not in the string so we do not alter it. for (boost::sregex_iterator it = i1; it != i2; ++it) { string prefix = it->prefix(); if (prefix.size()) ret += prefix; suffix = it->suffix(); ret += sub; } if (suffix.size()) ret += suffix; return ret; } }