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bsnes/nall/string.hpp
Tim Allen 4c3f9b93e7 Update to v102r12 release. 
byuu says:

Changelog:

  - MD/PSG: fixed 68K bus Z80 status read address location
  - MS, GG, MD/PSG: channels post-decrement their counters, not
    pre-decrement [Cydrak]¹
  - MD/VDP: cache screen width registers once per scanline; screen
    height registers once per frame
  - MD/VDP: support 256-width display mode (used in Shining Force, etc)
  - MD/YM2612: implemented timers²
  - MD/YM2612: implemented 8-bit PCM DAC²
  - 68000: TRAP instruction should index the vector location by 32 (eg
    by 128 bytes), fixes Shining Force
  - nall: updated hex(), octal(), binary() functions to take uintmax
    instead of template<typename T> parameter³

¹: this one makes an incredible difference. Sie noticed that lots of
games set a period of 0, which would end up being a really long period
with pre-decrement. By fixing this, noise shows up in many more games,
and sounds way better in games even where it did before. You can hear
extra sound on Lunar - Sanposuru Gakuen's title screen, the noise in
Sonic The Hedgehog (Mega Drive) sounds better, etc.

²: this also really helps sound. The timers allow PSG music to play
back at the correct speed instead of playing back way too quickly. And
the PCM DAC lets you hear a lot of drum effects, as well as the
"Sega!!" sound at the start of Sonic the Hedgehog, and the infamous,
"Rise from your grave!" line from Altered Beast.

Still, most music on the Mega Drive comes from the FM channels, so
there's still not a whole lot to listen to.

I didn't implement Cydrak's $02c test register just yet. Sie wasn't 100%
certain on how the extended DAC bit worked, so I'd like to play it a
little conservative and get sound working, then I'll go back and add a
toggle or something to enable undocumented registers, that way we can
use that to detect any potential problems they might be causing.

³: unfortunately we lose support for using hex() on nall/arithmetic
types. If I have a const Pair& version of the function, then the
compiler gets confused on whether Natural<32> should use uintmax or
const Pair&, because compilers are stupid, and you can't have explicit
arguments in overloaded functions. So even though either function would
work, it just decides to error out instead >_>

This is actually really annoying, because I want hex() to be useful for
printing out nall/crypto keys and hashes directly.

But ... this change had to be made. Negative signed integers would crash
programs, and that was taking out my 68000 disassembler.
2017-02-27 19:45:51 +11:00

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#pragma once
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <algorithm>
#include <initializer_list>
#include <memory>
#include <nall/platform.hpp>
#include <nall/atoi.hpp>
#include <nall/function.hpp>
#include <nall/intrinsics.hpp>
#include <nall/memory.hpp>
#include <nall/primitives.hpp>
#include <nall/shared-pointer.hpp>
#include <nall/stdint.hpp>
#include <nall/utility.hpp>
#include <nall/varint.hpp>
#include <nall/vector.hpp>
namespace nall {
struct string;
struct string_view;
struct string_vector;
struct string_format;
struct string_view {
inline string_view();
inline string_view(const string_view& source);
inline string_view(string_view&& source);
inline string_view(const char* data);
inline string_view(const char* data, uint size);
inline string_view(const string& source);
template<typename... P> inline string_view(P&&... p);
inline ~string_view();
inline auto operator=(const string_view& source) -> string_view&;
inline auto operator=(string_view&& source) -> string_view&;
inline operator const char*() const;
inline auto data() const -> const char*;
inline auto size() const -> uint;
protected:
string* _string;
const char* _data;
mutable int _size;
};
#define NALL_STRING_ALLOCATOR_ADAPTIVE
//#define NALL_STRING_ALLOCATOR_COPY_ON_WRITE
//#define NALL_STRING_ALLOCATOR_SMALL_STRING_OPTIMIZATION
//#define NALL_STRING_ALLOCATOR_VECTOR
//cast.hpp
template<typename T> struct stringify;
//format.hpp
template<typename... P> inline auto print(P&&...) -> void;
template<typename... P> inline auto print(FILE*, P&&...) -> void;
template<typename T> inline auto pad(const T& value, long precision = 0, char padchar = ' ') -> string;
inline auto hex(uintmax value, long precision = 0, char padchar = '0') -> string;
inline auto octal(uintmax value, long precision = 0, char padchar = '0') -> string;
inline auto binary(uintmax value, long precision = 0, char padchar = '0') -> string;
inline auto pointer(uintptr value, long precision = 0) -> string;
template<typename T> inline auto pointer(const T* value, long precision = 0) -> string;
//match.hpp
inline auto tokenize(const char* s, const char* p) -> bool;
inline auto tokenize(string_vector& list, const char* s, const char* p) -> bool;
//utility.hpp
inline auto slice(string_view self, int offset = 0, int length = -1) -> string;
template<typename T> inline auto fromInteger(char* result, T value) -> char*;
template<typename T> inline auto fromNatural(char* result, T value) -> char*;
template<typename T> inline auto fromReal(char* str, T value) -> uint;
struct string {
using type = string;
protected:
#if defined(NALL_STRING_ALLOCATOR_ADAPTIVE)
enum : uint { SSO = 24 };
union {
struct { //copy-on-write
char* _data;
uint* _refs;
};
struct { //small-string-optimization
char _text[SSO];
};
};
inline auto _allocate() -> void;
inline auto _copy() -> void;
inline auto _resize() -> void;
#endif
#if defined(NALL_STRING_ALLOCATOR_COPY_ON_WRITE)
char* _data;
mutable uint* _refs;
inline auto _allocate() -> char*;
inline auto _copy() -> char*;
#endif
#if defined(NALL_STRING_ALLOCATOR_SMALL_STRING_OPTIMIZATION)
enum : uint { SSO = 24 };
union {
char* _data;
char _text[SSO];
};
#endif
#if defined(NALL_STRING_ALLOCATOR_VECTOR)
char* _data;
#endif
uint _capacity;
uint _size;
public:
inline string();
template<typename T = char> inline auto get() -> T*;
template<typename T = char> inline auto data() const -> const T*;
inline auto reset() -> type&;
inline auto reserve(uint) -> type&;
inline auto resize(uint) -> type&;
inline auto operator=(const string&) -> type&;
inline auto operator=(string&&) -> type&;
template<typename T, typename... P> string(T&& s, P&&... p) : string() {
append(forward<T>(s), forward<P>(p)...);
}
~string() { reset(); }
explicit operator bool() const { return _size; }
operator const char*() const { return (const char*)data(); }
auto size() const -> uint { return _size; }
auto capacity() const -> uint { return _capacity; }
auto operator==(const string& source) const -> bool {
return size() == source.size() && memory::compare(data(), source.data(), size()) == 0;
}
auto operator!=(const string& source) const -> bool {
return size() != source.size() || memory::compare(data(), source.data(), size()) != 0;
}
auto operator==(const char* source) const -> bool { return strcmp(data(), source) == 0; }
auto operator!=(const char* source) const -> bool { return strcmp(data(), source) != 0; }
auto operator==(string_view source) const -> bool { return compare(source) == 0; }
auto operator!=(string_view source) const -> bool { return compare(source) != 0; }
auto operator< (string_view source) const -> bool { return compare(source) < 0; }
auto operator<=(string_view source) const -> bool { return compare(source) <= 0; }
auto operator> (string_view source) const -> bool { return compare(source) > 0; }
auto operator>=(string_view source) const -> bool { return compare(source) >= 0; }
string(const string& source) : string() { operator=(source); }
string(string&& source) : string() { operator=(move(source)); }
auto begin() -> char* { return &get()[0]; }
auto end() -> char* { return &get()[size()]; }
auto begin() const -> const char* { return &data()[0]; }
auto end() const -> const char* { return &data()[size()]; }
//atoi.hpp
inline auto integer() const -> intmax;
inline auto natural() const -> uintmax;
inline auto hex() const -> uintmax;
inline auto real() const -> double;
//core.hpp
inline auto operator[](int) const -> const char&;
inline auto operator()(int, char) const -> char;
template<typename... P> inline auto assign(P&&...) -> type&;
template<typename T, typename... P> inline auto prepend(const T&, P&&...) -> type&;
template<typename... P> inline auto prepend(const nall::string_format&, P&&...) -> type&;
inline auto prepend() -> type&;
template<typename T> inline auto _prepend(const stringify<T>&) -> string&;
template<typename T, typename... P> inline auto append(const T&, P&&...) -> type&;
template<typename... P> inline auto append(const nall::string_format&, P&&...) -> type&;
inline auto append() -> type&;
template<typename T> inline auto _append(const stringify<T>&) -> string&;
inline auto length() const -> uint;
//find.hpp
template<bool, bool> inline auto _find(int, string_view) const -> maybe<uint>;
inline auto find(string_view source) const -> maybe<uint>;
inline auto ifind(string_view source) const -> maybe<uint>;
inline auto qfind(string_view source) const -> maybe<uint>;
inline auto iqfind(string_view source) const -> maybe<uint>;
inline auto findFrom(int offset, string_view source) const -> maybe<uint>;
inline auto ifindFrom(int offset, string_view source) const -> maybe<uint>;
//format.hpp
inline auto format(const nall::string_format& params) -> type&;
//compare.hpp
template<bool> inline static auto _compare(const char*, uint, const char*, uint) -> int;
inline static auto compare(string_view, string_view) -> int;
inline static auto icompare(string_view, string_view) -> int;
inline auto compare(string_view source) const -> int;
inline auto icompare(string_view source) const -> int;
inline auto equals(string_view source) const -> bool;
inline auto iequals(string_view source) const -> bool;
inline auto beginsWith(string_view source) const -> bool;
inline auto ibeginsWith(string_view source) const -> bool;
inline auto endsWith(string_view source) const -> bool;
inline auto iendsWith(string_view source) const -> bool;
//convert.hpp
inline auto downcase() -> type&;
inline auto upcase() -> type&;
inline auto qdowncase() -> type&;
inline auto qupcase() -> type&;
inline auto transform(string_view from, string_view to) -> type&;
//match.hpp
inline auto match(string_view source) const -> bool;
inline auto imatch(string_view source) const -> bool;
//replace.hpp
template<bool, bool> inline auto _replace(string_view, string_view, long) -> type&;
inline auto replace(string_view from, string_view to, long limit = LONG_MAX) -> type&;
inline auto ireplace(string_view from, string_view to, long limit = LONG_MAX) -> type&;
inline auto qreplace(string_view from, string_view to, long limit = LONG_MAX) -> type&;
inline auto iqreplace(string_view from, string_view to, long limit = LONG_MAX) -> type&;
//split.hpp
inline auto split(string_view key, long limit = LONG_MAX) const -> string_vector;
inline auto isplit(string_view key, long limit = LONG_MAX) const -> string_vector;
inline auto qsplit(string_view key, long limit = LONG_MAX) const -> string_vector;
inline auto iqsplit(string_view key, long limit = LONG_MAX) const -> string_vector;
//trim.hpp
inline auto trim(string_view lhs, string_view rhs, long limit = LONG_MAX) -> type&;
inline auto trimLeft(string_view lhs, long limit = LONG_MAX) -> type&;
inline auto trimRight(string_view rhs, long limit = LONG_MAX) -> type&;
inline auto itrim(string_view lhs, string_view rhs, long limit = LONG_MAX) -> type&;
inline auto itrimLeft(string_view lhs, long limit = LONG_MAX) -> type&;
inline auto itrimRight(string_view rhs, long limit = LONG_MAX) -> type&;
inline auto strip() -> type&;
inline auto stripLeft() -> type&;
inline auto stripRight() -> type&;
//utility.hpp
inline static auto read(string_view filename) -> string;
inline static auto repeat(string_view pattern, uint times) -> string;
inline auto fill(char fill = ' ') -> type&;
inline auto hash() const -> uint;
inline auto remove(uint offset, uint length) -> type&;
inline auto reverse() -> type&;
inline auto size(int length, char fill = ' ') -> type&;
};
struct string_vector : vector<string> {
using type = string_vector;
string_vector(const string_vector& source) { vector::operator=(source); }
string_vector(string_vector& source) { vector::operator=(source); }
string_vector(string_vector&& source) { vector::operator=(move(source)); }
template<typename... P> string_vector(P&&... p) { append(forward<P>(p)...); }
//list.hpp
inline auto operator==(const string_vector&) const -> bool;
inline auto operator!=(const string_vector&) const -> bool;
inline auto operator=(const string_vector& source) -> type& { return vector::operator=(source), *this; }
inline auto operator=(string_vector& source) -> type& { return vector::operator=(source), *this; }
inline auto operator=(string_vector&& source) -> type& { return vector::operator=(move(source)), *this; }
inline auto isort() -> type&;
template<typename... P> inline auto append(const string&, P&&...) -> type&;
inline auto append() -> type&;
inline auto find(string_view source) const -> maybe<uint>;
inline auto ifind(string_view source) const -> maybe<uint>;
inline auto match(string_view pattern) const -> string_vector;
inline auto merge(string_view separator) const -> string;
inline auto strip() -> type&;
//split.hpp
template<bool, bool> inline auto _split(string_view, string_view, long) -> type&;
};
struct string_format : vector<string> {
using type = string_format;
template<typename... P> string_format(P&&... p) { reserve(sizeof...(p)); append(forward<P>(p)...); }
template<typename T, typename... P> inline auto append(const T&, P&&... p) -> type&;
inline auto append() -> type&;
};
}
#include <nall/string/view.hpp>
#include <nall/string/atoi.hpp>
#include <nall/string/cast.hpp>
#include <nall/string/compare.hpp>
#include <nall/string/convert.hpp>
#include <nall/string/core.hpp>
#include <nall/string/find.hpp>
#include <nall/string/format.hpp>
#include <nall/string/list.hpp>
#include <nall/string/match.hpp>
#include <nall/string/replace.hpp>
#include <nall/string/split.hpp>
#include <nall/string/trim.hpp>
#include <nall/string/utility.hpp>
#include <nall/string/eval/node.hpp>
#include <nall/string/eval/literal.hpp>
#include <nall/string/eval/parser.hpp>
#include <nall/string/eval/evaluator.hpp>
#include <nall/string/markup/node.hpp>
#include <nall/string/markup/find.hpp>
#include <nall/string/markup/bml.hpp>
#include <nall/string/markup/xml.hpp>
#include <nall/string/transform/cml.hpp>
#include <nall/string/transform/dml.hpp>
namespace nall {
//inline auto range(const string& value) { return range_t{0, (int)value.size(), 1}; }
//inline auto rrange(const string& value) { return range_t{(int)value.size() - 1, -1, -1}; }
}
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