Re: Command line globber/tokenizer library for C?

On 11/09/2024 13:17, Bonita Montero wrote:

#include <Windows.h>
#include <iostream>
#include <string_view>
 using namespace std;
 template<typename CharType, typename Consumer>
     requires requires( Consumer consumer, basic_string_view<CharType> sv ) { { consumer( sv ) }; }
void Tokenize( basic_string_view<CharType> sv, Consumer consumer )
{
     using sv_t = basic_string_view<CharType>;
     auto it = sv.begin();
     for( ; it != sv.end(); )
     {
         CharType end;
         typename sv_t::iterator tkBegin;
         if( *it == '\"' )
         {
             end = '\"';
             tkBegin = ++it;
         }
         else
         {
             end = ' ';
             tkBegin = it++;
         }
         for( ; it != sv.end() && *it != end; ++it );
         consumer( sv_t( tkBegin, it ) );
         if( it != sv.end() ) [[unlikely]]
         {
             while( ++it != sv.end() && *it == ' ' );
             continue;
         }
     }
}
 int main()
{
     LPWSTR pCmdLine = GetCommandLineW();
     size_t i = 1;
     Tokenize( wstring_view( pCmdLine ), [&]( wstring_view sv )
         {
             wcout << i++ << L": \"" << sv << L"\"" << endl;
         } );
}

This doesn't do globbing (expanding non-quoted wildcard filenames into lists of individual filenames).
Neither is it clear if the OP is on Windows. (Otherwise I can supply something in C for the globbing part. Chopping up into line into separate items is fairly trivial.)