eden-emu/Catch2
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Provide a public method to get StringRef's underlying pointer

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This allows reducing the amount of friends needed for its interface
and some extra tricks later.

The bad part is that the pointer can become invalidated via
calls to other StringRef's public methods, but c'est la vie.
This commit is contained in:
Martin Hořeňovský 2018-02-28 22:05:01 +01:00
parent 950ccf4749
commit 05cd05743a
6 changed files with 21 additions and 26 deletions
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12
include/internal/catch_stringref.h
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@ -84,16 +84,12 @@ namespace Catch {
void swap( StringRef& other ) noexcept;
friend auto operator << (std::ostream& os, StringRef const& sr)->std::ostream&;
public: // operators
auto operator == ( StringRef const& other ) const noexcept -> bool;
auto operator != ( StringRef const& other ) const noexcept -> bool;
auto operator[] ( size_type index ) const noexcept -> char;
friend auto operator += ( std::string& lhs, StringRef const& rhs ) -> std::string&;
public: // named queries
auto empty() const noexcept -> bool {
return m_size == 0;
@ -108,16 +104,22 @@ namespace Catch {
public: // substrings and searches
auto substr( size_type start, size_type size ) const noexcept -> StringRef;
// Returns the current start pointer.
// Note that the pointer can change when if the StringRef is a substring
auto currentData() const noexcept -> char const*;
private: // ownership queries - may not be consistent between calls
auto isOwned() const noexcept -> bool;
auto isSubstring() const noexcept -> bool;
auto data() const noexcept -> char const*;
};
auto operator + ( StringRef const& lhs, StringRef const& rhs ) -> std::string;
auto operator + ( StringRef const& lhs, char const* rhs ) -> std::string;
auto operator + ( char const* lhs, StringRef const& rhs ) -> std::string;
auto operator += ( std::string& lhs, StringRef const& sr ) -> std::string&;
auto operator << ( std::ostream& os, StringRef const& sr ) -> std::ostream&;
inline auto operator "" _sr( char const* rawChars, std::size_t size ) noexcept -> StringRef {
return StringRef( rawChars, size );