StringUtils.cpp

#include <Core/Utils/StringUtils.hpp>
 
/*
 * NOMINMAX is already defined in CoreMacros.hpp ...
 
#ifdef COMPILER_MSVC
#    define NOMINMAX // Avoid C2039 MSVC compiler error
//#undef vsnprintf
//#define vsnprintf(buffer, count, format, argptr) vsnprintf_s(buffer, count, count, format, argptr)
#endif
*/
 
#include <memory>
 
namespace Ra {
namespace Core {
namespace Utils {
 
std::string getFileExt( const std::string& str ) {
    auto pos        = str.find_last_of( '.' );
    std::string res = pos < str.length() ? str.substr( pos + 1 ) : "";
    return res;
}
 
std::string getDirName( const std::string& path ) {
    // We remove any trailing slashes.
    auto pos = path.find_last_not_of( '/' );
 
    // Don't strip the last / from "/"
    if ( pos >= path.length() ) { pos = path.find_first_of( "/" ); }
    std::string res = path.substr( 0, pos + 1 );
 
    // Now find the previous slash and cut the string.
    pos = res.find_last_of( '/' );
 
    // The directory is actually "/" because the last slash is in first position.
    // In that case we should return "/"
    if ( pos == 0 ) { res = "/"; }
    else if ( pos < res.length() ) { res.resize( pos ); }
    else { res = "."; }
 
    return res;
}
 
std::string getBaseName( const std::string& path, bool keepExtension ) {
    // We remove any trailing slashes.
    auto pos = path.find_last_not_of( '/' );
    // Don't strip the last / from "/"
    if ( pos >= path.length() ) { pos = path.find_first_of( "/" ); }
    std::string res = path.substr( 0, pos + 1 );
 
    // Now find the previous slash and cut the string.
    pos = res.find_last_of( '/' );
    if ( pos < res.length() ) { res = res.substr( pos + 1 ); }
    if ( !keepExtension ) {
        pos = res.find_last_of( '.' );
        if ( pos < res.length() ) { res.resize( pos ); }
    }
 
    return res;
}
 
std::size_t replaceAllInString( std::string& inout, std::string_view what, std::string_view with ) {
    std::size_t count {};
    for ( std::string::size_type pos {};
          inout.npos != ( pos = inout.find( what.data(), pos, what.length() ) );
          pos += with.length(), ++count ) {
        inout.replace( pos, what.length(), with.data(), with.length() );
    }
    return count;
}
 
std::size_t removeAllInString( std::string& inout, std::string_view what ) {
    return replaceAllInString( inout, what, "" );
}
} // namespace Utils
} // namespace Core
} // namespace Ra