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More stringutil goodies

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This commit is contained in:
Alberto Lerner
2010-07-04 11:08:00 -04:00
parent 7cc51e8cd5
commit bd0fb49da5
3 changed files with 24 additions and 19 deletions
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27
util/stringutils.cpp
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@@ -20,17 +20,24 @@
namespace mongo {
void splitStringDelim( const string& str, vector<string>& vec, char delim ){
string s(str);
void splitStringDelim( const string& str , vector<string>* res , char delim ){
if ( str.empty() )
return;
while ( true ){
size_t idx = s.find( delim );
if ( idx == string::npos ){
vec.push_back( s );
break;
}
vec.push_back( s.substr( 0 , idx ) );
s = s.substr( idx + 1 );
size_t beg = 0;
size_t pos = str.find( delim );
while ( pos != string::npos ){
res->push_back( str.substr( beg, pos - beg) );
beg = ++pos;
pos = str.find( delim, beg );
}
res->push_back( str.substr( beg ) );
}
void joinStringDelim( const vector<string>& strs , string* res , char delim ){
for ( vector<string>::const_iterator it = strs.begin(); it != strs.end(); ++it ){
if ( it !=strs.begin() ) res->push_back( delim );
res->append( *it );
}
}