mirror of https://github.com/bsnes-emu/bsnes.git
66 lines
2.4 KiB
C++
Executable File
66 lines
2.4 KiB
C++
Executable File
#pragma once
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namespace nall {
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auto string::contains(string_view characters) const -> maybe<uint> {
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for(uint x : range(size())) {
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for(char y : characters) {
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if(operator[](x) == y) return x;
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}
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}
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return nothing;
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}
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template<bool Insensitive, bool Quoted> auto string::_find(int offset, string_view source) const -> maybe<uint> {
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if(source.size() == 0) return nothing;
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auto p = data();
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for(uint n = offset, quoted = 0; n < size();) {
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if(Quoted) { if(p[n] == '\"') { quoted ^= 1; n++; continue; } if(quoted) { n++; continue; } }
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if(_compare<Insensitive>(p + n, size() - n, source.data(), source.size())) { n++; continue; }
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return n - offset;
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}
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return nothing;
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}
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auto string::find(string_view source) const -> maybe<uint> { return _find<0, 0>(0, source); }
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auto string::ifind(string_view source) const -> maybe<uint> { return _find<1, 0>(0, source); }
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auto string::qfind(string_view source) const -> maybe<uint> { return _find<0, 1>(0, source); }
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auto string::iqfind(string_view source) const -> maybe<uint> { return _find<1, 1>(0, source); }
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auto string::findFrom(int offset, string_view source) const -> maybe<uint> { return _find<0, 0>(offset, source); }
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auto string::ifindFrom(int offset, string_view source) const -> maybe<uint> { return _find<1, 0>(offset, source); }
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auto string::findNext(int offset, string_view source) const -> maybe<uint> {
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if(source.size() == 0) return nothing;
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for(int n = offset + 1; n < size(); n++) {
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if(memory::compare(data() + n, size() - n, source.data(), source.size()) == 0) return n;
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}
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return nothing;
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}
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auto string::ifindNext(int offset, string_view source) const -> maybe<uint> {
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if(source.size() == 0) return nothing;
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for(int n = offset + 1; n < size(); n++) {
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if(memory::icompare(data() + n, size() - n, source.data(), source.size()) == 0) return n;
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}
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return nothing;
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}
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auto string::findPrevious(int offset, string_view source) const -> maybe<uint> {
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if(source.size() == 0) return nothing;
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for(int n = offset - 1; n >= 0; n--) {
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if(memory::compare(data() + n, size() - n, source.data(), source.size()) == 0) return n;
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}
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return nothing;
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}
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auto string::ifindPrevious(int offset, string_view source) const -> maybe<uint> {
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if(source.size() == 0) return nothing;
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for(int n = offset - 1; n >= 0; n--) {
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if(memory::icompare(data() + n, size() - n, source.data(), source.size()) == 0) return n;
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}
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return nothing;
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}
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}
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