mirror of https://github.com/bsnes-emu/bsnes.git
91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
#pragma once
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namespace nall {
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//todo: these functions are not binary-safe
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auto string::match(string_view source) const -> bool {
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const char* s = data();
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const char* p = source.data();
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const char* cp = nullptr;
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const char* mp = nullptr;
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while(*s && *p != '*') {
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if(*p != '?' && *s != *p) return false;
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p++, s++;
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}
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while(*s) {
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if(*p == '*') {
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if(!*++p) return true;
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mp = p, cp = s + 1;
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} else if(*p == '?' || *p == *s) {
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p++, s++;
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} else {
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p = mp, s = cp++;
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}
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}
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while(*p == '*') p++;
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return !*p;
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}
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auto string::imatch(string_view source) const -> bool {
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static auto chrlower = [](char c) -> char {
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return (c >= 'A' && c <= 'Z') ? c + ('a' - 'A') : c;
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};
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const char* s = data();
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const char* p = source.data();
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const char* cp = nullptr;
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const char* mp = nullptr;
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while(*s && *p != '*') {
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if(*p != '?' && chrlower(*s) != chrlower(*p)) return false;
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p++, s++;
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}
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while(*s) {
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if(*p == '*') {
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if(!*++p) return true;
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mp = p, cp = s + 1;
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} else if(*p == '?' || chrlower(*p) == chrlower(*s)) {
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p++, s++;
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} else {
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p = mp, s = cp++;
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}
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}
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while(*p == '*') p++;
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return !*p;
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}
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auto tokenize(const char* s, const char* p) -> bool {
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while(*s) {
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if(*p == '*') {
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while(*s) if(tokenize(s++, p + 1)) return true;
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return !*++p;
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}
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if(*s++ != *p++) return false;
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}
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while(*p == '*') p++;
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return !*p;
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}
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auto tokenize(lstring& list, const char* s, const char* p) -> bool {
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while(*s) {
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if(*p == '*') {
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const char* b = s;
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while(*s) {
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if(tokenize(list, s++, p + 1)) {
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list.prepend(slice(b, 0, --s - b));
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return true;
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}
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}
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list.prepend(b);
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return !*++p;
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}
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if(*s++ != *p++) return false;
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}
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while(*p == '*') { list.prepend(s); p++; }
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return !*p;
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}
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}
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