numname.h

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#pragma once
 
#include <promeki/core/namespace.h>
#include <promeki/core/string.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class NumName {
    public:
                static NumName parse(const String &str, int *val = nullptr);
 
                NumName() = default;
 
        NumName(const String &prefix, const String &suffix, int digits, bool padded) :
                        px(prefix), sx(suffix), dl(digits), pad(padded) {}
 
        NumName(const String &str) { *this = parse(str); }
 
        bool isValid() const { return dl > 0; }
 
        String name(int val) const {
                        return px + String::number(val, 10, pad ? dl : 0, '0') + sx;
                }
 
        String prefix() const { return px; }
 
        String suffix() const { return sx; }
 
        bool isPadded() const { return pad; }
 
        int digits() const { return dl; }
 
        String filemask() const {
                        String mask;
                        if(pad) {
                                mask = "%0";
                                mask += String::number(dl);
                                mask += 'd';
                        } else {
                                mask = "%d";
                        }
                        return px + mask + sx;
                }
 
                String hashmask() const {
                        return px + String(pad ? dl : 1, '#') + sx;
                }
 
                bool operator==(const NumName &other) const {
                        return dl == other.dl &&
                               pad == other.pad &&
                               px == other.px &&
                               sx == other.sx;
                }
 
                bool operator!=(const NumName &other) const {
                        return !(*this == other);
                }
                
                bool isInSequence(const NumName &n) const {
                        if(!n.isValid() || n.px != px || n.sx != sx) return false;
                        if(n.pad && !pad && n.dl > dl) return false;
                        if(!n.pad && pad && dl > n.dl) return false;
                        if(n.pad && pad && n.dl != dl) return false;
                        return true;
                }
 
    private:
        String          px;                     // Prefix
        String          sx;                     // Suffix
        int         dl      = 0;            // Digit length
        bool        pad     = false;    // Padding
 
};
 
PROMEKI_NAMESPACE_END