wildcard.cpp

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#include "pfc.h"

static bool test_recur(const char * fn,const char * rm,bool b_sep)
{
    for(;;)
    {
        if ((b_sep && *rm==';') || *rm==0) return *fn==0;
        else if (*rm=='*')
        {
            rm++;
            do
            {
                if (test_recur(fn,rm,b_sep)) return true;
            } while(pfc::utf8_advance(fn));
            return false;
        }
        else if (*fn==0) return false;
        else if (*rm!='?' && pfc::charLower(pfc::utf8_get_char(fn))!=pfc::charLower(pfc::utf8_get_char(rm))) return false;
        
        fn = pfc::utf8_char_next(fn); rm = pfc::utf8_char_next(rm);
    }
}

bool wildcard_helper::test_path(const char * path,const char * pattern,bool b_sep) {return test(path + pfc::scan_filename(path),pattern,b_sep);}

bool wildcard_helper::test(const char * fn,const char * pattern,bool b_sep)
{
    if (!b_sep) return test_recur(fn,pattern,false);
    const char * rm=pattern;
    while(*rm)
    {
        if (test_recur(fn,rm,true)) return true;
        while(*rm && *rm!=';') rm++;
        if (*rm==';')
        {
            while(*rm==';') rm++;
            while(*rm==' ') rm++;
        }
    };

    return false;
}

bool wildcard_helper::has_wildcards(const char * str) {return strchr(str,'*') || strchr(str,'?');}

const char * wildcard_helper::get_wildcard_list() {return "*?";}

bool wildcard_helper::is_wildcard(char c) {
    return c == '*' || c == '?';
}