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util/AllocatedString: add noexcept

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This commit is contained in:
Max Kellermann 2020-04-03 15:25:59 +02:00
parent a8687fb7df
commit f04a245769
1 changed files with 17 additions and 16 deletions
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33
src/util/AllocatedString.hxx
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@ -55,24 +55,25 @@ public:
private: private:
pointer value; pointer value;
explicit AllocatedString(pointer _value) explicit AllocatedString(pointer _value) noexcept
:value(_value) {} :value(_value) {}
public: public:
AllocatedString(std::nullptr_t n):value(n) {} AllocatedString(std::nullptr_t n) noexcept
:value(n) {}
AllocatedString(AllocatedString &&src) AllocatedString(AllocatedString &&src) noexcept
:value(src.Steal()) {} :value(src.Steal()) {}
~AllocatedString() { ~AllocatedString() noexcept {
delete[] value; delete[] value;
} }
static AllocatedString Donate(pointer value) { static AllocatedString Donate(pointer value) noexcept {
return AllocatedString(value); return AllocatedString(value);
} }
static AllocatedString Null() { static AllocatedString Null() noexcept {
return nullptr; return nullptr;
} }
@ -98,44 +99,44 @@ public:
return Donate(p); return Donate(p);
} }
AllocatedString &operator=(AllocatedString &&src) { AllocatedString &operator=(AllocatedString &&src) noexcept {
std::swap(value, src.value); std::swap(value, src.value);
return *this; return *this;
} }
constexpr bool operator==(std::nullptr_t) const { constexpr bool operator==(std::nullptr_t) const noexcept {
return value == nullptr; return value == nullptr;
} }
constexpr bool operator!=(std::nullptr_t) const { constexpr bool operator!=(std::nullptr_t) const noexcept {
return value != nullptr; return value != nullptr;
} }
constexpr bool IsNull() const { constexpr bool IsNull() const noexcept {
return value == nullptr; return value == nullptr;
} }
constexpr const_pointer c_str() const { constexpr const_pointer c_str() const noexcept {
return value; return value;
} }
bool empty() const { bool empty() const noexcept {
return *value == SENTINEL; return *value == SENTINEL;
} }
constexpr pointer data() const { constexpr pointer data() const noexcept {
return value; return value;
} }
reference operator[](size_type i) { reference operator[](size_type i) noexcept {
return value[i]; return value[i];
} }
const reference operator[](size_type i) const { const reference operator[](size_type i) const noexcept {
return value[i]; return value[i];
} }
pointer Steal() { pointer Steal() noexcept {
return std::exchange(value, nullptr); return std::exchange(value, nullptr);
} }