mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-10 09:40:53 +01:00
419 lines
14 KiB
C++
Executable File
419 lines
14 KiB
C++
Executable File
//*************************************************************************************************
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//*************************************************************************************************
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//
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// BUFFER
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//
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//*************************************************************************************************
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//*************************************************************************************************
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#if !defined(__XBUFFER_H__)
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#define __XBUFFER_H__
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#include <XToolsConf.h>
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#include "XToolsCommon.h"
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#include "XRBuffer.h"
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#include "XString.h"
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#define XBuffer_Super XRBuffer<T>
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template <typename T>
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class XBuffer : public XBuffer_Super
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{
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protected:
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T*_WData; // same as RData (see XRBuffer)
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size_t m_allocatedSize;
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void Initialize(const T* p, size_t count, size_t index);
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public:
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XBuffer() : _WData(NULL), m_allocatedSize(0) { Initialize(NULL, 0, 0); } // ": _WData(NULL), m_allocatedSize(0)" to avoid effc++ warning
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XBuffer(const XBuffer<T>& aBuffer) : _WData(NULL), m_allocatedSize(0) { Initialize(aBuffer.data(), aBuffer.size(), aBuffer.index()); }
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XBuffer(XRBuffer<T> &aBuffer, size_t pos = 0, size_t count = MAX_XSIZE);
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// XBuffer(XBuffer &aBuffer, size_t pos = 0, size_t count = MAX_XSIZE);
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XBuffer(void *p, size_t count);
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const XBuffer &operator =(const XRBuffer<T> &aBuffer);
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const XBuffer &operator =(const XBuffer &aBuffer);
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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void stealValueFrom(T* p, IntegralType count) {
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if ( count < 0 ) {
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panic("XBuffer::stealValueFrom : count < 0. System halted\n");
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}
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if( _WData ) free(_WData);
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Initialize(p, count, 0);
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}
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~XBuffer();
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public:
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void CheckSize(size_t nNewSize, size_t nGrowBy = XBufferGrowByDefault);
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void* vdata() const { return (void*)XBuffer_Super::data(); }
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const T* data() const { return _WData; }
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T* data() { return _WData; }
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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const T* data(IntegralType i) const { return XBuffer_Super::data(i); }
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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T* data(IntegralType i) { return _WData + i; }
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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T* dataSized(IntegralType size) {
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if ( size < 0 ) {
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panic("XBuffer::dataSized : size < 0. System halted\n");
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}
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CheckSize(size, 0);
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return data();
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}
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// void *Data(size_t ui=0) { return _WData+ui; }
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// void *DataWithSizeMin(size_t ui, size_t size, size_t nGrowBy=XBufferGrowByDefault) { CheckSize(size, nGrowBy); return Data(ui); }
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//
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// char *CData(size_t ui=0) { return (char *)(_WData+ui); }
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// char *CDataWithSizeMin(size_t ui, size_t size, size_t nGrowBy=XBufferGrowByDefault) { CheckSize(size, nGrowBy); return CData(ui); }
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//
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// unsigned char *UCData(size_t ui=0) { return _WData+ui; }
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// void *UCDataWithSizeMin(size_t ui, unsigned int size, size_t nGrowBy=XBufferGrowByDefault) { CheckSize(size, nGrowBy); return UCData(ui); }
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size_t size() const { return XRBuffer<T>::size(); }
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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void setSize(IntegralType size) {
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if ( size<0 ) panic("XBuffer::setSize() -> i < 0");
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if ( (unsigned_type(IntegralType))size > MAX_XSIZE ) panic("XBuffer::setSize() -> i > MAX_XSIZE");
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CheckSize((unsigned_type(IntegralType))size);
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XBuffer_Super::m_size = (unsigned_type(IntegralType))size;
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};
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void setEmpty() { setSize(0); };
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bool operator == (const XBuffer<T>& other) const {
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if ( size() != other.size() ) return false;
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if ( size() == 0 ) return true;
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if ( memcmp(_WData, other._WData, size()) != 0 ) return false;
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return true;
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}
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bool operator != (const XBuffer<T>& other) const { return !(*this == other); }
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/* [] */
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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T& operator [](IntegralType i)
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{
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if (i < 0) panic("XBuffer::[] : i < 0. System halted\n");
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if ( (unsigned_type(IntegralType))i >= size() ) panic("XBuffer::[] : i > _Len. System halted\n");
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return _WData[(unsigned_type(IntegralType))i];
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}
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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const T& operator [](IntegralType i) const
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{
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if (i < 0) panic("XBuffer::[] : i < 0. System halted\n");
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if ( (unsigned_type(IntegralType))i >= size() ) panic("XBuffer::[] : i > _Len. System halted\n");
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return _WData[(unsigned_type(IntegralType))i];
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}
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// unsigned char& operator [](int i) { return UCData()[i]; } // underflow ? overflow ?
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// unsigned char& operator [](size_t i) { return UCData()[i]; }
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void memset(unsigned char c) {
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memset(_WData, c, size());
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}
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
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void memset(unsigned char c, IntegralType count) {
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if (count < 0) panic("XBuffer::memset : count < 0. System halted\n");
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if ( (unsigned_type(IntegralType))count >= size() ) setSize(count);
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::memset(_WData, c, count);
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}
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template<typename IntegralType1, typename IntegralType2, enable_if( is_integral(IntegralType1) && is_integral(IntegralType2) )>
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void memsetAtPos(IntegralType1 pos, unsigned char c, IntegralType2 count) {
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if (pos < 0) panic("XBuffer::memset : pos < 0. System halted\n");
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if (count < 0) panic("XBuffer::memset : count < 0. System halted\n");
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if ( (size_t)pos + (unsigned_type(IntegralType2))count >= size() ) setSize((size_t)pos + (unsigned_type(IntegralType2))count);
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::memset(_WData, c, count);
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}
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void ncpy(const void *buf, size_t len);
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// Cat
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void ncat(const void *buf, size_t len);
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void cat(bool b) { ncat(&b, sizeof(b)); };
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void cat(char c) { ncat(&c, sizeof(c)); };
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void cat(unsigned char c) { ncat(&c, sizeof(c)); };
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void cat(signed char c) { ncat(&c, sizeof(c)); };
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void cat(signed short s) { ncat(&s, sizeof(s)); };
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void cat(unsigned short us) { ncat(&us, sizeof(us)); };
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void cat(signed int i) { ncat(&i, sizeof(i)); };
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void cat(unsigned int ui) { ncat(&ui, sizeof(ui)); };
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void cat(signed long l) { ncat(&l, sizeof(l)); };
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void cat(unsigned long ul) { ncat(&ul, sizeof(ul)); };
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void cat(signed long long ull) { ncat(&ull, sizeof(ull)); };
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void cat(unsigned long long ull) { ncat(&ull, sizeof(ull)); };
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void cat(float f) { ncat(&f, sizeof(f)); };
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void cat(double d) { ncat(&d, sizeof(d)); };
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void cat(void* p) { ncat(&p, sizeof(p)); };
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// void cat(const XString8 &aXString8);
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void cat(const XBuffer &unXBuffer) { ncat(unXBuffer.Length()); ncat(unXBuffer.Data(), unXBuffer.Length()); }
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void deleteAtPos(unsigned int pos, unsigned int count=1);
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const XBuffer &operator += (const XRBuffer<T> &aBuffer);
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size_t Sizeof() const;
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// bool ReadFileName(const char* FileName, unsigned int AddZeros=0);
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bool ReadFromBuf(const char *buf, size_t *idx, size_t count);
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bool ReadFromXRBuffer(XRBuffer<T> &unXBuffer);
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};
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//*************************************************************************************************
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template <typename T>
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void XBuffer<T>::Initialize(const T* p, size_t count, size_t index)
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{
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if ( p!=NULL && count>0 )
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{
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m_allocatedSize = count;
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_WData = (unsigned char*)malloc(m_allocatedSize);
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if ( !_WData ) {
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panic("XBuffer<T>::Initialize(%zu) : malloc returned NULL. System halted\n", count);
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}
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memcpy(_WData, p, count);
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XRBuffer<T>::_RData = _WData;
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XRBuffer<T>::m_size = count;
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XRBuffer<T>::_Index = index;
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}
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else{
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m_allocatedSize = 0;
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_WData = NULL;
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XRBuffer<T>::_RData = NULL;
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XRBuffer<T>::m_size = 0;
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XRBuffer<T>::_Index = 0;
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}
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}
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//-------------------------------------------------------------------------------------------------
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// CheckSize
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//-------------------------------------------------------------------------------------------------
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template <typename T>
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void XBuffer<T>::CheckSize(size_t nNewSize, size_t nGrowBy)
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{
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if ( m_allocatedSize < nNewSize )
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{
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nNewSize += nGrowBy;
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_WData = (unsigned char*)Xrealloc(_WData, nNewSize, m_allocatedSize);
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if ( !_WData ) {
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panic("XBuffer<T>::CheckSize(%zu, %zu) : Xrealloc(%" PRIuPTR " %zu, %zu) returned NULL. System halted\n", nNewSize, nGrowBy, uintptr_t(_WData), nNewSize, m_allocatedSize);
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}
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XRBuffer<T>::_RData = _WData;
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m_allocatedSize = nNewSize;
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}
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}
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//-------------------------------------------------------------------------------------------------
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// ctor
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//-------------------------------------------------------------------------------------------------
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template <typename T>
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XBuffer<T>::XBuffer(XRBuffer<T> &aXRBuffer, size_t pos, size_t count) : _WData(NULL), m_allocatedSize(0) // initialisation to avoid effc++ warning
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{
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if ( pos < aXRBuffer.Length() ) {
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Initialize(NULL, 0, 0);
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}else{
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if ( count > aXRBuffer.Length()-pos ) count = aXRBuffer.Length()-pos;
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Initialize(aXRBuffer.UCData(pos), count, aXRBuffer.Index());
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}
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}
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//
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//template <typename T>
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//XBuffer<T>::XBuffer(XBuffer &aXBuffer, size_t pos, size_t count) : _WData(NULL), m_allocatedSize(0) // initialisation to avoid effc++ warning
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//{
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// if ( pos >= aXBuffer.Length() ) {
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// Initialize(NULL, 0, 0);
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// }else{
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// if ( count > aXBuffer.Length()-pos ) count = aXBuffer.Length()-pos;
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// Initialize(aXBuffer.UCData(pos), count, aXBuffer.Index());
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// }
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//}
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template <typename T>
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XBuffer<T>::XBuffer(void *p, size_t count) : _WData(NULL), m_allocatedSize(0) // initialisation to avoid effc++ warning
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{
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Initialize((const unsigned char*)p, count, 0);
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}
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template <typename T>
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XBuffer<T>::~XBuffer()
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{
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free(_WData);
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}
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//-------------------------------------------------------------------------------------------------
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// operator =, +=
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//-------------------------------------------------------------------------------------------------
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template <typename T>
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const XBuffer<T>& XBuffer<T>::operator =(const XRBuffer<T> &aBuffer)
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{
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//TRACE("Operator =const XBuffer&\n");
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Cpy(aBuffer.Data(), aBuffer.Length());
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SetIndex(aBuffer.Index());
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return *this;
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}
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template <typename T>
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const XBuffer<T>& XBuffer<T>::operator =(const XBuffer<T> &aBuffer)
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{
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//TRACE("Operator =const XBuffer&\n");
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ncpy(aBuffer.data(), aBuffer.size());
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XBuffer_Super::setIndex(aBuffer.index());
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return *this;
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}
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template <typename T>
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const XBuffer<T> &XBuffer<T>::operator +=(const XRBuffer<T> &aBuffer)
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{
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//TRACE("Operator +=const XBuffer&\n");
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Cat(aBuffer.Data(), aBuffer.Length());
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return *this;
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}
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//-------------------------------------------------------------------------------------------------
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// Cpy, Cat, Delete
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//-------------------------------------------------------------------------------------------------
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template <typename T>
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void XBuffer<T>::ncpy(const void *buf, size_t len)
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{
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if ( buf && len > 0 ) {
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setSize(len);
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memcpy(data(), buf, len);
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}
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}
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template <typename T>
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void XBuffer<T>::ncat(const void *buf, size_t len)
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{
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if ( buf && len > 0 ) {
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CheckSize(size()+len);
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memcpy(data(size()), buf, len);
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setSize(size()+len);
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}
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}
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//
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//template <typename T>
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//void XBuffer<T>::cat(const XString8 &aXString8)
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//{
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// cat(aXString8.sizeInBytes());
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// cat(aXString8.s(), aXString8.sizeInBytes());
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//};
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template <typename T>
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void XBuffer<T>::deleteAtPos(unsigned int pos, unsigned int count)
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{
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if ( pos < size() ) {
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if ( pos + count < size() ) {
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memmove( _WData+pos, _WData+pos+count, size()-pos-count);
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setSize(size()-count);
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}else{
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setSize(pos);
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}
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}
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}
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//-------------------------------------------------------------------------------------------------
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// ReadFrom
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//-------------------------------------------------------------------------------------------------
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//bool XBuffer<T>::ReadFileName(const char* FileName, unsigned int AddZeros)
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//{
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// FILE *fp;
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// long int ulen;
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// unsigned int len;
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//
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// fp = fopen(FileName, "rb");
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// if ( fp == NULL ) {
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// SetLastErrorMsgf("Impossible d'ouvrir le fichier en lecture '%s'", FileName);
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// goto finally;
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// }
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//
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// fseek(fp, 0, 2); // Seek to end of file
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// ulen = ftell(fp);
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// if ( ulen <= 0 ) {
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// SetLastErrorMsgf("Impossible d'avoir la longueur du fichier '%s'", FileName);
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// goto finally;
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// }
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//
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// len = (unsigned int)ulen;
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// fseek(fp, 0, 0);
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//
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// if ( fread(CDataWithSizeMin(0, len+AddZeros), 1, len, fp) != len ) {
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// SetLastErrorMsgf("Impossible de lire %d octets du fichier '%s'", len, FileName);
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// goto finally;
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// }
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// SetLength(len);
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// SetIndex(0);
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// if ( fclose(fp) != 0 ) {
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// SetLastErrorMsgf("Impossible de fermer les fichier '%s'", FileName);
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// goto finally;
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// }
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// {for ( unsigned int ui=len ; ui<len+AddZeros ; ui+=1 ) *CData(ui) = 0;}
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// return YES;
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// finally:
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// if ( fp != NULL ) fclose(fp);
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// SetLength(0);
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// return false;
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//
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//}
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//bool XBuffer<T>::ReadFromFILE(FILE *fp)
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//{
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// unsigned int longueur;
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//
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// if ( fread(&longueur, sizeof(longueur), 1, fp) != 1 ) goto fin;
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// if ( longueur > 0 && fread(DataWithSizeMin(0, longueur, 0), longueur, 1, fp) != 1 ) goto fin;
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// SetLength(longueur);
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// SetIndex(0);
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// return OUI;
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// fin:
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// SetNull();
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// return NON;
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//}
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template <typename T>
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bool XBuffer<T>::ReadFromXRBuffer(XRBuffer<T> &unXBuffer)
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{
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size_t longueur;
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if ( !unXBuffer.GetSize_t(&longueur) ) return false;
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if ( !unXBuffer.Get(dataSized(longueur), longueur) ) return false; // GrowBy (param 3 of DataWithSizeMin is 0 to avoid memory waste
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setSize(longueur);
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XBuffer_Super::setIndex(0);
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return true;
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}
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template <typename T>
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bool XBuffer<T>::ReadFromBuf(const char *buf, size_t *idx, size_t count)
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{
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size_t longueur;
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if ( count-*idx >= sizeof(longueur) ) {
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longueur = *((size_t *)(buf+*idx));
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*idx += sizeof(longueur);
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if ( longueur > 0 && count-*idx>=longueur ) memcpy(dataSized(longueur), buf+*idx, longueur);
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*idx += longueur;
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setSize(longueur);
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XBuffer_Super::setIndex(0);
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return true;
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}else{
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setEmpty();
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return false;
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}
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}
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#endif
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