mirror of https://github.com/bsnes-emu/bsnes.git
91 lines
1.6 KiB
C++
91 lines
1.6 KiB
C++
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#ifdef NALL_STRING_INTERNAL_HPP
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namespace nall {
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struct string_view {
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string_view() {
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_string = nullptr;
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_data = "";
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_size = 0;
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}
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string_view(const char* data) {
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_string = nullptr;
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_data = data;
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_size = -1; //defer length calculation, as it is often unnecessary
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}
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string_view(const char* data, unsigned size) {
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_string = nullptr;
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_data = data;
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_size = size;
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}
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string_view(const string& source) {
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_string = nullptr;
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_data = source.data();
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_size = source.size();
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}
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template<typename... P>
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string_view(P&&... p) {
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_string = new string{forward<P>(p)...};
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_data = _string->data();
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_size = _string->size();
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}
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~string_view() {
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if(_string) delete _string;
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}
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string_view(const string_view& source) {
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_string = nullptr;
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_data = source._data;
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_size = source._size;
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}
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string_view(string_view&& source) {
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_string = source._string;
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_data = source._data;
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_size = source._size;
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source._string = nullptr;
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}
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auto operator=(const string_view& source) -> string_view& {
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_string = nullptr;
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_data = source._data;
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_size = source._size;
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return *this;
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};
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auto operator=(string_view&& source) -> string_view& {
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_string = source._string;
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_data = source._data;
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_size = source._size;
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source._string = nullptr;
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return *this;
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};
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operator const char*() const {
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return _data;
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}
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auto data() const -> const char* {
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return _data;
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}
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auto size() const -> unsigned {
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if(_size < 0) _size = strlen(_data);
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return _size;
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}
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protected:
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string* _string;
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const char* _data;
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mutable signed _size;
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};
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}
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#endif
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