tokenize.hh

/* -*-mode:c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

#ifndef TOKENIZE_HH
#define TOKENIZE_HH

#include <string>
#include <vector>

static std::vector< std::string > split( const std::string & str, const std::string & separator )
{
    std::vector< size_t > indices;

    size_t next_token = 0;
    while ( (next_token = str.find( separator, next_token )) != std::string::npos ) {
        indices.push_back( next_token );
        next_token++;
    }

    if ( indices.empty() ) {
        return { str };
    }

    std::vector< std::string > ret;

    /* first token */
    ret.push_back( str.substr( 0, indices[ 0 ] ) );

    /* inner tokens */
    for ( size_t i = 0; i < indices.size() - 1; i++ ) {
        ret.push_back( str.substr( indices[ i ] + separator.size(),
                                   indices[ i + 1 ] - indices[ i ] - separator.size() ) );
    }

    /* last token */
    ret.push_back( str.substr( indices.back() + separator.size() ) );

    return ret;
}

#endif /* TOKENIZE_HH */