Program Listing for File sixtyfps_string.h
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/* LICENSE BEGIN
This file is part of the SixtyFPS Project -- https://sixtyfps.io
Copyright (c) 2021 Olivier Goffart <olivier.goffart@sixtyfps.io>
Copyright (c) 2021 Simon Hausmann <simon.hausmann@sixtyfps.io>
SPDX-License-Identifier: GPL-3.0-only
This file is also available under commercial licensing terms.
Please contact info@sixtyfps.io for more information.
LICENSE END */
#pragma once
#include <string_view>
#include "sixtyfps_string_internal.h"
namespace sixtyfps {
struct SharedString
{
SharedString() { cbindgen_private::sixtyfps_shared_string_from_bytes(this, "", 0); }
SharedString(std::string_view s)
{
cbindgen_private::sixtyfps_shared_string_from_bytes(this, s.data(), s.size());
}
SharedString(const char *s) : SharedString(std::string_view(s)) { }
#if defined(__cpp_char8_t) || __cplusplus >= 202002L
SharedString(const char8_t *s) : SharedString(reinterpret_cast<const char*>(s)) { }
#endif
#ifdef __cpp_lib_char8_t
SharedString(std::u8string_view s)
{
cbindgen_private::sixtyfps_shared_string_from_bytes(
this, reinterpret_cast<const char*>(s.data()), s.size());
}
#endif
SharedString(const SharedString &other)
{
cbindgen_private::sixtyfps_shared_string_clone(this, &other);
}
~SharedString() { cbindgen_private::sixtyfps_shared_string_drop(this); }
SharedString &operator=(const SharedString &other)
{
cbindgen_private::sixtyfps_shared_string_drop(this);
cbindgen_private::sixtyfps_shared_string_clone(this, &other);
return *this;
}
SharedString &operator=(std::string_view s)
{
cbindgen_private::sixtyfps_shared_string_drop(this);
cbindgen_private::sixtyfps_shared_string_from_bytes(this, s.data(), s.size());
return *this;
}
SharedString &operator=(const char *s) { return *this = std::string_view(s); }
SharedString &operator=(SharedString &&other)
{
std::swap(inner, other.inner);
return *this;
}
operator std::string_view() const
{
return cbindgen_private::sixtyfps_shared_string_bytes(this);
}
auto data() const -> const char *
{
return cbindgen_private::sixtyfps_shared_string_bytes(this);
}
const char *begin() const { return data(); }
const char *end() const { return &*std::string_view(*this).end(); }
bool empty() const { return std::string_view(*this).empty(); }
bool starts_with(std::string_view prefix) const
{
return std::string_view(*this).substr(0, prefix.size()) == prefix;
}
bool ends_with(std::string_view prefix) const
{
std::string_view self_view(*this);
return self_view.size() >= prefix.size()
&& self_view.compare(self_view.size() - prefix.size(), std::string_view::npos,
prefix)
== 0;
}
static SharedString from_number(double n) { return SharedString(n); }
friend bool operator==(const SharedString &a, const SharedString &b)
{
return std::string_view(a) == std::string_view(b);
}
friend bool operator!=(const SharedString &a, const SharedString &b)
{
return std::string_view(a) != std::string_view(b);
}
friend bool operator<(const SharedString &a, const SharedString &b)
{
return std::string_view(a) < std::string_view(b);
}
friend bool operator<=(const SharedString &a, const SharedString &b)
{
return std::string_view(a) <= std::string_view(b);
}
friend bool operator>(const SharedString &a, const SharedString &b)
{
return std::string_view(a) > std::string_view(b);
}
friend bool operator>=(const SharedString &a, const SharedString &b)
{
return std::string_view(a) >= std::string_view(b);
}
friend std::ostream &operator<<(std::ostream &stream, const SharedString &shared_string)
{
return stream << std::string_view(shared_string);
}
friend SharedString operator+(const SharedString &a, std::string_view b)
{
SharedString a2 = a;
return a2 += b;
}
friend SharedString operator+(SharedString &&a, std::string_view b)
{
a += b;
return a;
}
SharedString &operator+=(std::string_view other)
{
cbindgen_private::sixtyfps_shared_string_append(this, other.data(), other.size());
return *this;
}
private:
explicit SharedString(double n)
{
cbindgen_private::sixtyfps_shared_string_from_number(this, n);
}
void *inner; // opaque
};
namespace private_api {
inline cbindgen_private::Slice<uint8_t> string_to_slice(std::string_view str)
{
return cbindgen_private::Slice<uint8_t> {
const_cast<unsigned char *>(reinterpret_cast<const unsigned char *>(str.data())), str.size()
};
}
}
}