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#pragma once
#include "StarString.hpp"
namespace Star {
STAR_CLASS(StringView);
STAR_CLASS(String);
// This is a StringView version of Star::String
// I literally just copy-pasted it all from there
class StringView {
public:
typedef String::Char Char;
typedef U8ToU32Iterator<std::string_view::const_iterator> const_iterator;
typedef Char value_type;
typedef value_type const& const_reference;
using CaseSensitivity = String::CaseSensitivity;
StringView();
StringView(StringView const& s);
StringView(StringView&& s) noexcept;
StringView(String const& s);
// These assume utf8 input
StringView(char const* s);
StringView(char const* s, size_t n);
StringView(std::string_view const& s);
StringView(std::string_view&& s) noexcept;
StringView(std::string const& s);
StringView(Char const* s);
StringView(Char const* s, size_t n);
// const& to internal utf8 data
std::string_view const& utf8() const;
std::string_view takeUtf8();
ByteArray utf8Bytes() const;
// Pointer to internal utf8 data, null-terminated.
char const* utf8Ptr() const;
size_t utf8Size() const;
const_iterator begin() const;
const_iterator end() const;
size_t size() const;
size_t length() const;
bool empty() const;
Char operator[](size_t index) const;
// Throws StringException if i out of range.
Char at(size_t i) const;
bool endsWith(StringView end, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
bool endsWith(Char end, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
bool beginsWith(StringView beg, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
bool beginsWith(Char beg, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
typedef function<void(StringView, size_t, size_t)> SplitCallback;
void forEachSplitAnyView(StringView pattern, SplitCallback) const;
void forEachSplitView(StringView pattern, SplitCallback) const;
bool hasChar(Char c) const;
// Identical to hasChar, except, if string is empty, tests if c is
// whitespace.
bool hasCharOrWhitespace(Char c) const;
size_t find(Char c, size_t beg = 0, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
size_t find(StringView s, size_t beg = 0, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
size_t findLast(Char c, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
size_t findLast(StringView s, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
// If pattern is empty, finds first whitespace
size_t findFirstOf(StringView chars = "", size_t beg = 0) const;
// If pattern is empty, finds first non-whitespace
size_t findFirstNotOf(StringView chars = "", size_t beg = 0) const;
// finds the the start of the next 'boundary' in a string. used for quickly
// scanning a string
size_t findNextBoundary(size_t index, bool backwards = false) const;
bool contains(StringView s, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
int compare(StringView s, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
bool equals(StringView s, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
// Synonym for equals(s, String::CaseInsensitive)
bool equalsIgnoreCase(StringView s) const;
StringView substr(size_t position, size_t n = NPos) const;
StringView& operator=(StringView s);
friend bool operator==(StringView s1, const char* s2);
friend bool operator==(StringView s1, std::string const& s2);
friend bool operator==(StringView s1, String const& s2);
friend bool operator==(StringView s1, StringView s2);
friend bool operator!=(StringView s1, StringView s2);
friend bool operator<(StringView s1, StringView s2);
friend std::ostream& operator<<(std::ostream& os, StringView const& s);
private:
int compare(size_t selfOffset,
size_t selfLen,
StringView other,
size_t otherOffset,
size_t otherLen,
CaseSensitivity cs) const;
std::string_view m_view;
};
}
template <> struct fmt::formatter<Star::StringView> : formatter<std::string_view> {
fmt::appender format(Star::StringView const& s, format_context& ctx) const;
};
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