Move StringBuilder to its own header and fix Linux build failures
This commit is contained in:
TheRealQuantam
parent
2b418e765e
commit
f6493b1e30
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@ -3,7 +3,6 @@
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#pragma once
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#include <string>
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#include <type_traits>
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#include <QColor>
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#include <QTimer>
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@ -94,162 +93,3 @@ class QCheckBoxRO : public QCheckBox
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QString fceuGetOpcodeToolTip( uint8_t *opcode, int size );
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QDialog *fceuCustomToolTipShow( const QPoint &globalPos, QDialog *popup );
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// Faster replacement functions for sprintf. It's uglier, but much faster.
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class StringBuilder
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{
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public:
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// Helper struct. Do not use directly.
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template <unsigned Radix, typename T, typename Prefix = nullptr_t>
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struct IntInfo
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{
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T x;
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int minLen;
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char leadChar;
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bool upperCase;
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Prefix prefix;
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};
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inline StringBuilder(char *str) : start(str), end(str)
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{
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*end = '\0';
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}
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inline char *str() const
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{
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return start;
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}
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inline size_t size() const
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{
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return size_t(end - start);
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}
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inline StringBuilder &operator <<(char ch)
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{
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*(end++) = ch;
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*end = '\0';
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return *this;
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}
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inline StringBuilder &operator <<(const char *src)
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{
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size_t len = strlen(src);
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memcpy(end, src, len + 1);
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end += len;
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return *this;
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}
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template<unsigned Radix, typename T, typename Prefix>
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inline StringBuilder &operator <<(const IntInfo<Radix, T, Prefix> intInfo)
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{
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*this << intInfo.prefix;
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return appendInt<Radix>(intInfo.x, intInfo.minLen, intInfo.leadChar, intInfo.upperCase);
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}
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protected:
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inline StringBuilder &operator <<(nullptr_t)
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{
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return *this;
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}
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template<unsigned Radix, typename T>
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StringBuilder &appendInt(T x, int minLen = 0, char leadChar = ' ', bool upperCase = false)
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{
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static_assert(Radix >= 2 && Radix <= 36, "Radix must be between 2 and 36");
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static_assert(std::is_integral<T>::value, "T must be an integral type");
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static const char *upperCaseDigits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ",
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*lowerCaseDigits = "0123456789abcdefghijklmnopqrstuvwxyz";
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const char *digits = upperCase ? upperCaseDigits : lowerCaseDigits;
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const bool isSigned = std::is_signed<T>::value;
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bool isNeg = isSigned && x < 0;
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if (isSigned && isNeg)
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// This convoluted expression is to silence an unnecessary compiler warning when unsigned
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x = T(-std::make_signed<T>::type(x));
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unsigned i = 0;
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if (x != 0)
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{
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do
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{
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end[i++] = digits[x % Radix];
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x /= Radix;
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} while (x != 0);
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}
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else
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end[i++] = '0';
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if (isNeg)
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end[i++] = '-';
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if (minLen < 0)
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{
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end[i] = '\0';
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strrev(end);
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for (; i < (unsigned)-minLen; i++)
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end[i] = leadChar;
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end[i] = '\0';
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}
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else
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{
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for (; i < (unsigned)minLen; i++)
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end[i] = leadChar;
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end[i] = '\0';
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strrev(end);
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}
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end += i;
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return *this;
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}
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char *start;
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char *end;
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};
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// Formatters for numbers
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// Generic integer with any radius
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template<unsigned Radix, typename T>
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inline StringBuilder::IntInfo<Radix, T> sb_int(T x, int minLen = 0, char leadChar = ' ', bool upperCase = false)
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{
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return { x, minLen, leadChar, upperCase, nullptr };
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}
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// A decimal number
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template <typename T>
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inline StringBuilder::IntInfo<10, T> sb_dec(T x, int minLen = 0, char leadChar = ' ')
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{
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return { x, minLen, leadChar, false, nullptr };
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}
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// A hex number
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template <typename T>
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inline StringBuilder::IntInfo<16, T> sb_hex(T x, int minLen = 0, bool upperCase = true, char leadChar = '0')
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{
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return { x, minLen, leadChar, upperCase, nullptr };
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}
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// An address of the basic form $%x
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template <typename T>
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inline StringBuilder::IntInfo<16, T, char> sb_addr(T x, int minLen = 4, bool upperCase = true)
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{
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return { x, minLen, '0', upperCase, '$' };
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}
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// A literal value of the form #$%x
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template <typename T>
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inline StringBuilder::IntInfo<16, T, const char *> sb_lit(T x, int minLen = 2, bool upperCase = true)
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{
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return { x, minLen, '0', upperCase, "#$" };
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}
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@ -31,6 +31,7 @@
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#include "../../ines.h"
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#include "../../asm.h"
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#include "../../x6502.h"
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#include "utils/StringBuilder.h"
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#include "Qt/fceuWrapper.h"
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#include "Qt/SymbolicDebug.h"
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@ -57,6 +57,7 @@
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#include "../../movie.h"
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#include "common/os_utils.h"
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#include "utils/StringBuilder.h"
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#include "Qt/ConsoleDebugger.h"
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#include "Qt/ConsoleWindow.h"
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@ -0,0 +1,164 @@
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#pragma once
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#include <algorithm>
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#include <cstring>
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#include <type_traits>
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// Faster replacement functions for sprintf. It's uglier, but much faster.
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class StringBuilder
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{
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public:
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// Helper struct. Do not use directly.
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template <unsigned Radix, typename T, typename Prefix = nullptr_t>
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struct IntInfo
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{
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T x;
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int minLen;
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char leadChar;
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bool upperCase;
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Prefix prefix;
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};
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inline StringBuilder(char *str) : start(str), end(str)
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{
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*end = '\0';
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}
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inline char *str() const
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{
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return start;
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}
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inline size_t size() const
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{
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return size_t(end - start);
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}
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inline StringBuilder &operator <<(char ch)
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{
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*(end++) = ch;
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*end = '\0';
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return *this;
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}
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inline StringBuilder &operator <<(const char *src)
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{
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size_t len = std::strlen(src);
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std::memcpy(end, src, len + 1);
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end += len;
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return *this;
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}
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template<unsigned Radix, typename T, typename Prefix>
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inline StringBuilder &operator <<(const IntInfo<Radix, T, Prefix> intInfo)
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{
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*this << intInfo.prefix;
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return appendInt<Radix>(intInfo.x, intInfo.minLen, intInfo.leadChar, intInfo.upperCase);
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}
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protected:
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inline StringBuilder &operator <<(nullptr_t)
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{
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return *this;
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}
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template<unsigned Radix, typename T>
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StringBuilder &appendInt(T x, int minLen = 0, char leadChar = ' ', bool upperCase = false)
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{
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static_assert(Radix >= 2 && Radix <= 36, "Radix must be between 2 and 36");
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static_assert(std::is_integral<T>::value, "T must be an integral type");
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static const char *upperCaseDigits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ",
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*lowerCaseDigits = "0123456789abcdefghijklmnopqrstuvwxyz";
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const char *digits = upperCase ? upperCaseDigits : lowerCaseDigits;
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const bool isSigned = std::is_signed<T>::value;
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bool isNeg = isSigned && x < 0;
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if (isSigned && isNeg)
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// This convoluted expression is to silence an unnecessary compiler warning when unsigned
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x = T(-((typename std::make_signed<T>::type)(x)));
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unsigned i = 0;
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if (x != 0)
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{
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do
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{
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end[i++] = digits[x % Radix];
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x /= Radix;
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} while (x != 0);
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}
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else
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end[i++] = '0';
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if (isNeg)
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end[i++] = '-';
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if (minLen < 0)
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{
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end[i] = '\0';
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std::reverse(end, end + i);
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for (; i < (unsigned)-minLen; i++)
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end[i] = leadChar;
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end[i] = '\0';
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}
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else
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{
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for (; i < (unsigned)minLen; i++)
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end[i] = leadChar;
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end[i] = '\0';
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std::reverse(end, end + i);
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}
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end += i;
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return *this;
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}
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char *start;
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char *end;
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};
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// Formatters for numbers
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// Generic integer with any radius
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template<unsigned Radix, typename T>
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inline StringBuilder::IntInfo<Radix, T> sb_int(T x, int minLen = 0, char leadChar = ' ', bool upperCase = false)
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{
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return { x, minLen, leadChar, upperCase, nullptr };
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}
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// A decimal number
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template <typename T>
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inline StringBuilder::IntInfo<10, T> sb_dec(T x, int minLen = 0, char leadChar = ' ')
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{
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return { x, minLen, leadChar, false, nullptr };
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}
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// A hex number
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template <typename T>
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inline StringBuilder::IntInfo<16, T> sb_hex(T x, int minLen = 0, bool upperCase = true, char leadChar = '0')
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{
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return { x, minLen, leadChar, upperCase, nullptr };
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}
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// An address of the basic form $%x
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template <typename T>
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inline StringBuilder::IntInfo<16, T, char> sb_addr(T x, int minLen = 4, bool upperCase = true)
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{
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return { x, minLen, '0', upperCase, '$' };
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}
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// A literal value of the form #$%x
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template <typename T>
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inline StringBuilder::IntInfo<16, T, const char *> sb_lit(T x, int minLen = 2, bool upperCase = true)
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{
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return { x, minLen, '0', upperCase, "#$" };
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}
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