CloverBootloader/rEFIt_UEFI/cpp_foundation/XStringAbstract.h

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/*
* Copyright (c) 2019 Jief Luce.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
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#if !defined(__XSTRINGABSTRACT_H__)
#define __XSTRINGABSTRACT_H__
#include <XToolsConf.h>
#include "XToolsCommon.h"
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#include "unicode_conversions.h"
#ifndef DEBUG_ALL
#define DEBUG_XStringAbstract 0
#else
#define DEBUG_XStringAbstract DEBUG_ALL
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#endif
#if DEBUG_XStringAbstract == 0
#define DBG_XSTRING(...)
#else
#define DBG_XSTRING(...) DebugLog(DEBUG_XStringAbstract, __VA_ARGS__)
#endif
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//#if __WCHAR_MAX__ <= 0xFFFFu
// #define wchar_cast char16_t
//#else
// #define wchar_cast char32_t
//#endif
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#define asciiToLower(ch) (((ch >= L'A') && (ch <= L'Z')) ? ((ch - L'A') + L'a') : ch)
#define asciiToUpper(ch) (((ch >= L'a') && (ch <= L'z')) ? ((ch - L'a') + L'A') : ch)
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template<typename S, typename O>
int XStringAbstract__startWith(const S* src, const O* other, bool ignoreCase)
{
size_t nb = 0;
const S* src2 = src;
const O* other2 = other;
char32_t src_char32;
char32_t other_char32;
other2 = get_char32_from_string(other2, &other_char32);
if ( !other_char32 ) return true; // startWith with empty string is considered true
src2 = get_char32_from_string(src2, &src_char32);
while ( other_char32 ) {
if ( ignoreCase ) {
src_char32 = asciiToLower(src_char32);
other_char32 = asciiToLower(other_char32);
}
if ( src_char32 != other_char32 ) return false;
src2 = get_char32_from_string(src2, &src_char32);
other2 = get_char32_from_string(other2, &other_char32);
nb += 1;
};
return src_char32 != 0;
}
/*
* Returns 1 if src > other
*/
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template<typename S, typename O>
int XStringAbstract__compare(const S* src, const O* other, bool ignoreCase)
{
if ( src == NULL || *src == 0 ) return other == NULL || *other == 0 ? 0 : -1;
if ( other == NULL || *other == 0 ) return 1;
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// size_t len_s = length_of_utf_string(src);
// size_t len_other = length_of_utf_string(other);
size_t nb = 0;
const S* src2 = src;
const O* other2 = other;
char32_t src_char32;
char32_t other_char32;
src2 = get_char32_from_string(src2, &src_char32);
other2 = get_char32_from_string(other2, &other_char32);
while ( src_char32 ) {
if ( ignoreCase ) {
src_char32 = asciiToLower(src_char32);
other_char32 = asciiToLower(other_char32);
}
if ( src_char32 != other_char32 ) break;
src2 = get_char32_from_string(src2, &src_char32);
other2 = get_char32_from_string(other2, &other_char32);
nb += 1;
};
if ( src_char32 == other_char32 ) return 0;
return src_char32 > other_char32 ? 1 : -1;
}
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template<typename S, typename O>
int XStringAbstract__ncompare(const S* src, const O* other, size_t n, bool ignoreCase)
{
if ( n == 0 ) return 0; // string of 0 length are equal.
const S* src2 = src;
const O* other2 = other;
char32_t src_char32;
char32_t other_char32;
src2 = get_char32_from_string(src2, &src_char32);
other2 = get_char32_from_string(other2, &other_char32);
size_t nb = 1;
while ( src_char32 && nb < n ) {
if ( ignoreCase ) {
src_char32 = asciiToLower(src_char32);
other_char32 = asciiToLower(other_char32);
}
if ( src_char32 != other_char32 ) break;
src2 = get_char32_from_string(src2, &src_char32);
other2 = get_char32_from_string(other2, &other_char32);
nb += 1;
};
if ( src_char32 == other_char32 ) return 0;
return src_char32 > other_char32 ? 1 : -1;
}
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template<typename O, typename P>
size_t XStringAbstract__indexOf(const O** s, const P* other, size_t offsetRet, bool toLower)
{
size_t Idx = 0;
char32_t s_char32;
char32_t other_char32;
do
{
const O* s2 = *s;
const P* other2 = other;
do {
s2 = get_char32_from_string(s2, &s_char32);
other2 = get_char32_from_string(other2, &other_char32);
if ( toLower ) {
s_char32 = asciiToLower(s_char32);
other_char32 = asciiToLower(other_char32);
}
} while ( s_char32 && other_char32 && s_char32 == other_char32 );
if ( other_char32 == 0 ) return Idx+offsetRet;
*s = get_char32_from_string(*s, &s_char32);
Idx++;
} while (s_char32);
return MAX_XSIZE;
}
template<typename O, typename P>
size_t XStringAbstract__indexOf(const O* s, size_t Pos, const P* other, bool toLower)
{
if ( *other == 0 ) return Pos;
char32_t char32 = 1;
for ( size_t Idx=0 ; Idx<Pos ; Idx+=1 ) {
s = get_char32_from_string(s, &char32);
}
if ( !char32 ) return MAX_XSIZE;
return XStringAbstract__indexOf(&s, other, Pos, toLower);
}
template<typename O, typename P>
size_t XStringAbstract__rindexOf(const O* s, size_t Pos, const P* other, bool toLower)
{
if ( *other == 0 ) return Pos > length_of_utf_string(s) ? length_of_utf_string(s) : Pos;
size_t index = XStringAbstract__indexOf(&s, other, 0, toLower);
size_t prev_index = index; // initialize to index in case of index is already == Pos
char32_t char32;
s = get_char32_from_string(s, &char32);
while ( char32 && index < Pos ) {
prev_index = index;
index = XStringAbstract__indexOf(&s, other, index+1, toLower);
s = get_char32_from_string(s, &char32);
};
if ( index == Pos ) return index;
if ( prev_index <= Pos ) return prev_index;
return MAX_XSIZE;
}
template<class T, class ThisXStringClass>
class __String
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{
public:
typedef T char_t;
typedef ThisXStringClass xs_t;
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protected:
T *m_data;
// convenience method. Did it this way to avoid #define in header. They can have an impact on other headers
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size_t Xmin(size_t x1, size_t x2) const { if ( x1 < x2 ) return x1; return x2; }
size_t Xmax(size_t x1, size_t x2) const { if ( x1 > x2 ) return x1; return x2; }
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// Method _data is protected intentionally. It's a const method returning non-const pointer. That's intentional, but dangerous. Do not expose to public.
// If you need a non-const pointer for low-level access, use dataSized and specify the size
// pos is counted in logical char (UTF32 char)
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template<typename IntegralType, enable_if(is_integral(IntegralType))>
T* _data(IntegralType pos) const
{
if ( pos<0 ) panic("T* data(int i) -> i < 0");
size_t offset = size_of_utf_string_len(m_data, (unsigned_type(IntegralType))pos); // If pos is too big, size_of_utf_string_len returns the end of the string
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return m_data + offset;
}
public:
// T* memoryOffset(size_t i) {
//
// }
public:
constexpr __String(const T* s) : m_data((T*)s) {}
public:
// constexpr __String() : m_data(&nullChar) { }
constexpr __String(const __String&) = delete;
constexpr __String() = delete;
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// no assignement, no destructor
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size_t length() const { return length_of_utf_string(m_data); }
// size_t sizeZZ() const { return size_of_utf_string(m_data); }
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size_t sizeInNativeChars() const { return size_of_utf_string(m_data); }
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size_t sizeInBytes() const { return size_of_utf_string(m_data)*sizeof(T); }
size_t sizeInBytesIncludingTerminator() const { return (size_of_utf_string(m_data)+1)*sizeof(T); } // usefull for unit tests
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const T* s() const { return m_data; }
const T* data() const { return m_data; }
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/* Empty ? */
bool isEmpty() const { return m_data == nullptr || *m_data == 0; }
bool notEmpty() const { return !isEmpty(); }
//--------------------------------------------------------------------- cast
// int ToInt() const;
// size_t ToUInt() const;
//--------------------------------------------------------------------- charAt, []
template<typename IntegralType, enable_if(is_integral(IntegralType))>
char32_t char32At(IntegralType i) const
{
if (i < 0) {
panic("__String<T>::char32At(size_t i) : i < 0. System halted\n");
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}
size_t nb = 0;
const T *p = m_data;
char32_t char32;
do {
p = get_char32_from_string(p, &char32);
if (!char32) {
if ( (unsigned_type(IntegralType))i == nb ) return 0; // no panic if we want to access the null terminator
panic("__String::char32At(size_t i) : i >= length(). System halted\n");
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}
nb += 1;
} while (nb <= (unsigned_type(IntegralType))i);
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return char32;
}
template<typename IntegralType, enable_if(is_integral(IntegralType))>
char16_t char16At(IntegralType i) const
{
char32_t char32 = char32At(i);
if ( char32 >= 0x10000 ) return 0xFFFD; // <20> REPLACEMENT CHARACTER used to replace an unknown, unrecognized or unrepresentable character
return (char16_t)char32;
}
/* [] */
template<typename IntegralType, enable_if(is_integral(IntegralType))>
char32_t operator [](IntegralType i) const { return char32At(i); }
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char32_t lastChar() const { if ( length() > 0 ) return char32At(length()-1); else return 0; }
// /* copy ctor */
// __String<T, ThisXStringClass>(const __String<T, ThisXStringClass> &S) { Init(0); takeValueFrom(S); }
// /* ctor */
// template<typename O, class OtherXStringClass>
// explicit __String<T, ThisXStringClass>(const __String<O, OtherXStringClass>& S) { Init(0); takeValueFrom(S); }
//// template<typename O>
//// explicit __String<T, ThisXStringClass>(const O* S) { Init(0); takeValueFrom(S); }
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/* Copy Assign */ // Only other XString, no litteral at the moment.
// __String<T, ThisXStringClass>& operator =(const __String<T, ThisXStringClass>& S) { strcpy(S.s()); return *this; }
// /* Assign */
// template<typename O, class OtherXStringClass>
// ThisXStringClass& operator =(const __String<O, OtherXStringClass>& S) { strcpy(S.s()); return *((ThisXStringClass*)this); }
//// template<class O>
//// ThisXStringClass& operator =(const O* S) { strcpy(S); return *this; }
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//--------------------------------------------------------------------- indexOf, rindexOf, contains, subString
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/* indexOf */
size_t indexOf(char32_t char32Searched, size_t Pos = 0) const
{
char32_t buf[2] = { char32Searched, 0};
return XStringAbstract__indexOf(m_data, Pos, buf, false);
}
template<typename O>
size_t indexOf(const O* S, size_t Pos = 0) const { return XStringAbstract__indexOf(m_data, Pos, S, false); }
template<typename O, class OtherXStringClass>
size_t indexOf(const __String<O, OtherXStringClass>& S, size_t Pos = 0) const { return indexOf(S.s(), Pos); }
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/* IC */
size_t indexOfIC(char32_t char32Searched, size_t Pos = 0) const
{
char32_t buf[2] = { char32Searched, 0};
return XStringAbstract__indexOf(m_data, Pos, buf, true);
}
template<typename O>
size_t indexOfIC(const O* S, size_t Pos = 0) const { return XStringAbstract__indexOf(m_data, Pos, S, true); }
template<typename O, class OtherXStringClass>
size_t indexOfIC(const __String<O, OtherXStringClass>& S, size_t Pos = 0) const { return indexOfIC(S.s(), Pos); }
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/* rindexOf */
size_t rindexOf(const char32_t char32Searched, size_t Pos = MAX_XSIZE-1) const
{
char32_t buf[2] = { char32Searched, 0};
return XStringAbstract__rindexOf(m_data, Pos, buf, false);
}
template<typename O>
size_t rindexOf(const O* S, size_t Pos = MAX_XSIZE-1) const { return XStringAbstract__rindexOf(m_data, Pos, S, false); }
template<typename O, class OtherXStringClass>
size_t rindexOf(const __String<O, OtherXStringClass>& S, size_t Pos = MAX_XSIZE-1) const { return rindexOf(S.s(), Pos); }
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/* IC */
size_t rindexOfIC(const char32_t char32Searched, size_t Pos = MAX_XSIZE-1) const
{
char32_t buf[2] = { char32Searched, 0};
return XStringAbstract__rindexOf(m_data, Pos, buf, true);
}
template<typename O>
size_t rindexOfIC(const O* S, size_t Pos = MAX_XSIZE-1) const { return XStringAbstract__rindexOf(m_data, Pos, S, true); }
template<typename O, class OtherXStringClass>
size_t rindexOfIC(const __String<O, OtherXStringClass>& S, size_t Pos = MAX_XSIZE-1) const { return rindexOf(S.s(), Pos); }
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template<typename O, class OtherXStringClass>
bool contains(const __String<O, OtherXStringClass>& S) const { return indexOf(S) != MAX_XSIZE; }
template<typename O>
bool contains(const O* S) const { return indexOf(S) != MAX_XSIZE; }
template<typename O, class OtherXStringClass>
size_t containsIC(const __String<O, OtherXStringClass>& S) const { return indexOfIC(S) != MAX_XSIZE; }
template<typename O>
size_t containsIC(const O* S) const { return indexOfIC(S) != MAX_XSIZE; }
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ThisXStringClass subString(size_t pos, size_t count) const
{
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// if ( pos > length() ) return ThisXStringClass();
// if ( count > length()-pos ) count = length()-pos;
ThisXStringClass ret;
const T* src = m_data;
char32_t char32 = 1;
while ( char32 && pos > 0 ) {
src = get_char32_from_string(src, &char32);
pos -= 1;
};
ret.strncat(src, count);
return ret;
}
template<typename O, class OtherXStringClass>
bool startWith(const __String<O, OtherXStringClass>& otherS) const { return XStringAbstract__startWith(m_data, otherS.m_data, false); }
template<typename O>
bool startWith(const O* other) const { return XStringAbstract__startWith(m_data, other, false); }
template<typename O, class OtherXStringClass>
bool startWithIC(const __String<O, OtherXStringClass>& otherS) const { return XStringAbstract__startWith(m_data, otherS.m_data, true); }
template<typename O>
bool startWithIC(const O* other) const { return XStringAbstract__startWith(m_data, other, true); }
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//---------------------------------------------------------------------
ThisXStringClass basename() const
{
size_t lastSepPos = MAX_XSIZE;
size_t pos = 0;
const T *p = m_data;
char32_t char32;
p = get_char32_from_string(p, &char32);
while ( char32 ) {
if ( char32 == U'/' || char32 == U'\\' ) lastSepPos = pos;
pos += 1;
p = get_char32_from_string(p, &char32);
};
if ( lastSepPos == MAX_XSIZE ) {
if ( p == m_data ) return ThisXStringClass().takeValueFrom(".");
}
return subString(lastSepPos+1, MAX_XSIZE);
}
// ThisXStringClass dirname() const
// {
// size_t idx = rindexOf('/');
// if ( idx == MAX_XSIZE ) return ThisXStringClass();
// return subString(0, idx);
// }
// void insert(const __String<T, ThisXStringClass>& Str, size_t pos);
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//{
// if ( pos < size() ) {
// CheckSize(size()+Str.size());
// memmove(_data(pos + Str.size()), data(pos), (size()-pos)*sizeof(T));
// memmove(_data(pos), Str.data(), Str.size()*sizeof(T));
// setLength(size()+Str.size());
// }else{
// StrCat(Str);
// }
//}
// void ToLower(bool FirstCharIsCap = false);
// bool IsLetters() const;
// bool IsLettersNoAccent() const;
// bool IsDigits() const;
//{
// const T *p;
//
// p = data();
// if ( !*p ) return false;
// for ( ; *p ; p+=1 ) {
// if ( *p < '0' ) return false;
// if ( *p > '9' ) return false;
// }
// return true;
//}
// bool IsDigits(size_t pos, size_t count) const;
//{
// const T *p;
// const T *q;
//
// if ( pos >= size() ) {
// return false;
// }
// if ( pos+count > size() ) {
// return false;
// }
// p = data() + pos;
// q = p + count;
// for ( ; p < q ; p+=1 ) {
// if ( *p < '0' ) return false;
// if ( *p > '9' ) return false;
// }
// return true;
//}
// void Replace(T c1, T c2)
// {
// T* p;
//
// p = s();
// while ( *p ) {
// if ( *p == c1 ) *p = c2;
// p += 1;
// }
// }
// __String SubStringReplace(T c1, T c2);
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//{
// T* p;
// __String Result;
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//
// p = s();
// while ( *p ) {
// if ( *p == c1 ) Result += c2;
// else Result += *p;
// p++;
// }
// return Result;
//}
//---------------------------------------------------------------------
template<typename O>
int strcmp(const O* S) const { return XStringAbstract__compare(m_data, S, false); }
// int Compare(const char* S) const { return ::Compare<T, char>(m_data, S); }
// int Compare(const char16_t* S) const { return ::Compare<T, char16_t>(m_data, S); };
// int Compare(const char32_t* S) const { return ::Compare<T, char32_t>(m_data, S); };
// int Compare(const wchar_t* S) const { return ::Compare<T, wchar_t>(m_data, S); };
//
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template<typename O>
int strncmp(const O* S, size_t n) const { return XStringAbstract__ncompare(m_data, S, n, false); }
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template<typename O, class OtherXStringClass>
bool equal(const __String<O, OtherXStringClass>& S) const { return XStringAbstract__compare(m_data, S.s(), false) == 0; }
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template<typename O>
bool equal(const O* S) const { return XStringAbstract__compare(m_data, S, false) == 0; }
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template<typename O, class OtherXStringClass>
bool equalIC(const __String<O, OtherXStringClass>& S) const { return XStringAbstract__compare(m_data, S.s(), true) == 0; }
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template<typename O>
bool equalIC(const O* S) const { return XStringAbstract__compare(m_data, S, true) == 0; }
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// bool SubStringEqual(size_t Pos, const T* S) const { return (memcmp(data(Pos), S, wcslen(S)) == 0); }
public:
// == operator
template<typename O, class OtherXStringClass>
bool operator == (const __String<O, OtherXStringClass>& s2) const { return (*this).strcmp(s2.s()) == 0; }
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// template<typename O>
// bool operator == (const O* s2) const { return (*this).strcmp(s2) == 0; }
// template<typename O>
// friend bool operator == (const O* s1, ThisXStringClass& s2) { return s2.strcmp(s1) == 0; }
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template<typename O, class OtherXStringClass>
bool operator != (const __String<O, OtherXStringClass>& s2) const { return !(*this == s2); }
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// template<typename O>
// bool operator != (const O* s2) const { return !(*this == s2); }
// template<typename O>
// friend bool operator != (const O* s1, const ThisXStringClass& s2) { return s2.strcmp(s1) != 0; }
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template<typename O, class OtherXStringClass>
bool operator < (const __String<O, OtherXStringClass>& s2) const { return (*this).strcmp(s2.s()) < 0; }
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// template<typename O>
// bool operator < (const O* s2) const { return (*this).strcmp(s2) < 0; }
// template<typename O>
// friend bool operator < (const O* s1, const ThisXStringClass& s2) { return s2.strcmp(s1) > 0; }
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template<typename O, class OtherXStringClass>
bool operator > (const __String<O, OtherXStringClass>& s2) const { return (*this).strcmp(s2.s()) > 0; }
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// template<typename O>
// bool operator > (const O* s2) const { return (*this).strcmp(s2) > 0; }
// template<typename O>
// friend bool operator > (const O* s1, const ThisXStringClass& s2) { return s2.strcmp(s1) < 0; }
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template<typename O, class OtherXStringClass>
bool operator <= (const __String<O, OtherXStringClass>& s2) const { return (*this).strcmp(s2.s()) <= 0; }
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// template<typename O>
// bool operator <= (const O* s2) const { return (*this).strcmp(s2) <= 0; }
// template<typename O>
// friend bool operator <= (const O* s1, const ThisXStringClass& s2) { return s2.strcmp(s1) >= 0; }
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template<typename O, class OtherXStringClass>
bool operator >= (const __String<O, OtherXStringClass>& s2) const { return (*this).strcmp(s2.s()) >= 0; }
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// template<typename O>
// bool operator >= (const O* s2) const { return (*this).strcmp(s2) >= 0; }
// template<typename O>
// friend bool operator >= (const O* s1, const ThisXStringClass& s2) { return s2.strcmp(s1) <= 0; }
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};
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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template<class T, class ThisXStringClass>
class LString : public __String<T, ThisXStringClass>
{
public:
protected:
constexpr LString(const T* s) : __String<T, ThisXStringClass>(s) {};
constexpr LString() = delete;
constexpr LString(const LString& L) : __String<T, ThisXStringClass>(L.m_data) {};
// no assignement, no destructor
};
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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///* __String + char32_t */
//template<typename CharType1, class XStringClass1>
//XStringClass1 operator + (const __String<CharType1, XStringClass1>& p1, char32_t p2) { XStringClass1 s; s.takeValueFrom(p1); s.strcat(p2); return s; }
//
///* __String + __String */
//template<typename CharType1, class XStringClass1, typename CharType2, class XStringClass2>
//XStringClass1 operator + (const __String<CharType1, XStringClass1>& p1, const __String<CharType2, XStringClass2>& p2) { XStringClass1 s; s.takeValueFrom(p1); s.strcat(p2); return s; }
//
///* char* + __String */
//template<typename CharType1, typename CharType2, class XStringClass2>
//XStringClass2 operator + (const CharType1* p1, const __String<CharType2, XStringClass2>& p2) { XStringClass2 s; s.takeValueFrom(p1); s.strcat(p2); return s; }
//
///* __String + char* */
//template<typename T1, class XStringClass1, typename CharType2>
//XStringClass1 operator + (const __String<T1, XStringClass1>& p1, const CharType2* p2) { XStringClass1 s; s.takeValueFrom(p1); s.strcat(p2); return s; }
template <typename Base> _xtools__true_type is_base_of_test_func( Base* );
template <typename Base> _xtools__false_type is_base_of_test_func( void* );
template <typename B, typename D>
auto test_pre_is_base_of(int) -> decltype(is_base_of_test_func<B>(static_cast<D*>(nullptr)));
template< class, class = _xtools__void_t<>, class = _xtools__void_t<> >
struct __string_type { typedef void type; };
template< typename T >
struct __string_type<T, _xtools__void_t<typename T::xs_t>, _xtools__void_t<typename T::char_t>> { typedef __String<typename T::char_t, typename T::xs_t> type; };
#define is___String_t(x) decltype(test_pre_is_base_of<typename __string_type<x>::type , x>(0))
#define is___String(x) is___String_t(x)::value
template< class, class = _xtools__void_t<>, class = _xtools__void_t<> >
struct __lstring_type { typedef void type; };
template< typename T >
struct __lstring_type<T, _xtools__void_t<typename T::xs_t>, _xtools__void_t<typename T::char_t>> { typedef LString<typename T::char_t, typename T::xs_t> type; };
#define is___LString_t(x) decltype(test_pre_is_base_of< typename __lstring_type<x>::type , x>(0))
#define is___LString(x) is___LString_t(x)::value
/* __string_class_or<T1, T2>::type is T1 is T1 is a subclass of __String. If T1 is not a subclass of __String, returns T2 if it's a subclass of __String */
template <typename T1, typename T2, typename Tdummy=void>
struct __string_class_or;
template <typename T1, typename T2>
struct __string_class_or<T1, T2, enable_if_t(!is___String(T1) && !is___String(T2))> { /*typedef double type;*/ };
template <typename T1, typename T2>
struct __string_class_or<T1, T2, enable_if_t(is___String(T1))> { typedef typename T1::xs_t type; };
template <typename T1, typename T2>
struct __string_class_or<T1, T2, enable_if_t(!is___String(T1) && is___String(T2))> { typedef typename T2::xs_t type; };
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
#define m_data __String<T, ThisXStringClass>::m_data
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template<class T, class ThisXStringClass>
class XStringAbstract : public __String<T, ThisXStringClass>
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{
static T nullChar;
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protected:
size_t m_allocatedSize; // Must include null terminator. Real memory allocated is only m_allocatedSize (not m_allocatedSize+1)
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
// Init , Alloc
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
/*
* nNewSize must include null terminator.
*/
void Alloc(size_t nNewSize)
{
if ( m_allocatedSize == 0 ) {
m_data = (T*)malloc( nNewSize*sizeof(T) );
}
else {
m_data = (T*)Xrealloc(m_data, nNewSize*sizeof(T), m_allocatedSize*sizeof(T));
}
if ( !m_data ) {
panic("XStringAbstract::Alloc(%zu) : Xrealloc(%" PRIuPTR ", %lu, %zd) returned NULL. System halted\n", nNewSize, uintptr_t(m_data), nNewSize*sizeof(T), m_allocatedSize*sizeof(T));
}
m_allocatedSize = nNewSize;
}
// public:
/*
* Make sure this string has allocated size of at least nNewSize+1.
*/
bool CheckSize(size_t nNewSize, size_t nGrowBy = XStringGrowByDefault) // nNewSize is in number of chars, NOT bytes
{
//DBG_XSTRING("CheckSize: m_size=%d, nNewSize=%d\n", m_size, nNewSize);
if ( m_allocatedSize < nNewSize+1 )
{
nNewSize += nGrowBy;
if ( m_allocatedSize == 0 ) { //if ( *m_data ) {
size_t len = __String<T, ThisXStringClass>::length();
if ( nNewSize < len ) nNewSize = len;
T* m_dataSav = m_data;
m_data = NULL;
Alloc(nNewSize+1);
utf_string_from_utf_string(m_data, m_allocatedSize, m_dataSav);
return true;
}else{
Alloc(nNewSize+1);
return true;
}
}
return false;
}
// void setSize(size_t newSize) // nNewSize is in number of chars, NOT bytes
// {
// //DBG_XSTRING("setLength(%d)\n", len);
// CheckSize(newSize);
// // if ( len >= size() ) {
// // DBG_XSTRING("__String<T>::setLength(size_t len) : len >= size() (%d != %d). System halted\n", len, size());
// // panic();
// // }
// m_data[newSize] = 0; // we may rewrite a 0 in nullChar, if no memory were allocated. That's ok.
// }
public:
/* default ctor */
XStringAbstract() : __String<T, ThisXStringClass>(&nullChar), m_allocatedSize(0) {}
/* copy ctor */
XStringAbstract(const XStringAbstract& S) : __String<T, ThisXStringClass>(&nullChar), m_allocatedSize(0)
{
if ( S.m_data && !S.m_allocatedSize ) {
m_data = S.m_data;
}else{
takeValueFrom(S);
}
}
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~XStringAbstract()
{
//DBG_XSTRING("Destructor :%ls\n", data());
if ( m_allocatedSize > 0 ) free((void*)m_data);
}
/* ctor */
template<class OtherLStringClass>
explicit XStringAbstract(const LString<T, OtherLStringClass>& S) : __String<T, ThisXStringClass>(S.s()), m_allocatedSize(0) {}
template<typename O, class OtherXStringClass>
explicit XStringAbstract<T, ThisXStringClass>(const XStringAbstract<O, OtherXStringClass>& S) : __String<T, ThisXStringClass>(&nullChar), m_allocatedSize(0) { takeValueFrom(S); }
template<typename O, class OtherXStringClass>
explicit XStringAbstract<T, ThisXStringClass>(const LString<O, OtherXStringClass>& S) : __String<T, ThisXStringClass>(&nullChar), m_allocatedSize(0) { takeValueFrom(S); }
// TEMPORARILY DISABLED
// template<typename O>
// explicit __String<T, ThisXStringClass>(const O* S) { Init(0); takeValueFrom(S); }
//
/* Copy Assign */ // Only other XString, no litteral at the moment.
XStringAbstract& operator=(const XStringAbstract &S) { takeValueFrom(S); return *this; }
/* Assign */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Weffc++"
template<typename O, class OtherXStringClass>
ThisXStringClass& operator =(const __String<O, OtherXStringClass>& S) { strcpy(S.s()); return *((ThisXStringClass*)this); }
#pragma GCC diagnostic pop
// TEMPORARILY DISABLED
// template<class O>
// ThisXStringClass& operator =(const O* S) { strcpy(S); return *this; }
protected:
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ThisXStringClass& takeValueFromLiteral(const T* s)
{
if ( m_allocatedSize > 0 ) panic("XStringAbstract::takeValueFromLiteral -> m_allocatedSize > 0");
m_data = (T*)s;
return *((ThisXStringClass*)this);
}
public:
size_t allocatedSize() const { return m_allocatedSize; }
void setEmpty()
{
if ( m_allocatedSize <= 0 ) m_data = &nullChar;
else m_data[0] = 0;
}
T* data() const { return m_data; }
template<typename IntegralType, enable_if(is_integral(IntegralType))>
T* data(IntegralType pos) const { return __String<T, ThisXStringClass>::_data(pos); }
template<typename IntegralType, enable_if(is_integral(IntegralType))>
T* dataSized(IntegralType size)
{
if ( size<0 ) panic("T* dataSized() -> i < 0");
if ( (unsigned_type(IntegralType))size > MAX_XSIZE ) panic("T* dataSized() -> i > MAX_XSIZE");
CheckSize((size_t)size);
return __String<T, ThisXStringClass>::_data(0);
}
//
// // Pos is counted in logical char but size is counted in physical char (char, char16_t, char32_t or wchar_t)
// template<typename IntegralType1, typename IntegralType2, enable_if(is_integral(IntegralType1) && is_integral(IntegralType2))>
// T* dataSized(IntegralType1 pos, IntegralType2 size)
// {
// if ( pos<0 ) panic("T* dataSized(xisize i, size_t sizeMin, size_t nGrowBy) -> i < 0");
// if ( size<0 ) panic("T* dataSized(xisize i, size_t sizeMin, size_t nGrowBy) -> i < 0");
// size_t offset = size_of_utf_string_len(m_data, (typename _xtools__make_unsigned<IntegralType1>::type)pos); // If pos is too big, size_of_utf_string_len returns the end of the string
// CheckSize(offset + (typename _xtools__make_unsigned<IntegralType2>::type)size);
// return _data(pos);
// }
T* forgetDataWithoutFreeing()
{
T* ret = m_data;
m_data = &nullChar;
m_allocatedSize = 0;
return ret;
}
//--------------------------------------------------------------------- strcat, strcpy, operator =
/* strcpy char */
template<typename O, enable_if(is_char(O))>
void strcpy(O otherChar)
{
if ( otherChar != 0) {
size_t newSize = utf_size_of_utf_string_len(m_data, &otherChar, 1);
CheckSize(newSize, 0);
utf_string_from_utf_string_len(m_data, m_allocatedSize, &otherChar, 1);
m_data[newSize] = 0;
}else{
setEmpty();
}
}
/* strcpy */
template<typename O>
void strcpy(const O* other)
{
if ( other && *other ) {
size_t newSize = utf_size_of_utf_string(m_data, other);
CheckSize(newSize, 0);
utf_string_from_utf_string(m_data, m_allocatedSize, other);
m_data[newSize] = 0;
}else{
setEmpty();
}
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}
/* strncpy */
template<typename O>
void strncpy(const O* other, size_t other_len)
{
if ( other && *other && other_len > 0 ) {
size_t newSize = utf_size_of_utf_string_len(m_data, other, other_len);
CheckSize(newSize, 0);
utf_string_from_utf_string_len(m_data, m_allocatedSize, other, other_len);
m_data[newSize] = 0;
}else{
setEmpty();
}
}
/* strcat char */
template<typename O, enable_if(is_char(O))>
void strcat(O otherChar)
{
if ( otherChar ) {
size_t currentSize = size_of_utf_string(m_data);
size_t newSize = currentSize + utf_size_of_utf_string_len(m_data, &otherChar, 1);
CheckSize(newSize, 0);
utf_string_from_utf_string_len(m_data+currentSize, m_allocatedSize, &otherChar, 1);
m_data[newSize] = 0;
}else{
// nothing to do
}
}
/* strcat char* */
template<typename O>
void strcat(const O* other)
{
if ( other && *other ) {
size_t currentSize = size_of_utf_string(m_data); // size is number of T, not in bytes
size_t newSize = currentSize + utf_size_of_utf_string(m_data, other); // size is number of T, not in bytes
CheckSize(newSize, 0);
utf_string_from_utf_string(m_data+currentSize, m_allocatedSize-currentSize, other);
m_data[newSize] = 0;
}else{
// nothing to do
}
}
/* strcat __String */
template<typename OtherCharType, class OtherXStringClass>
void strcat(const __String<OtherCharType, OtherXStringClass>& other)
{
size_t currentSize = size_of_utf_string(m_data); // size is number of T, not in bytes
size_t newSize = currentSize + utf_size_of_utf_string(m_data, other.s()); // size is number of T, not in bytes
CheckSize(newSize, 0);
utf_string_from_utf_string(m_data+currentSize, m_allocatedSize-currentSize, other.s());
m_data[newSize] = 0;
}
/* strncat */
template<typename O>
void strncat(const O* other, size_t other_len)
{
if ( other && *other && other_len > 0 ) {
size_t currentSize = size_of_utf_string(m_data);
size_t newSize = currentSize + utf_size_of_utf_string_len(m_data, other, other_len);
CheckSize(newSize, 0);
utf_string_from_utf_string_len(m_data+currentSize, m_allocatedSize, other, other_len);
m_data[newSize] = 0;
}else{
// nothing to do
}
}
/* insert char* */
template<typename O>
ThisXStringClass& insertAtPos(const O* other, size_t other_len, size_t pos)
{
if ( !other || !*other ) return *((ThisXStringClass*)this);
size_t currentLength = __String<T, ThisXStringClass>::length();
if ( pos >= currentLength ) {
strncat(other, other_len);
return *((ThisXStringClass*)this);
}
size_t currentSize = size_of_utf_string(m_data);
size_t otherSize = utf_size_of_utf_string_len(m_data, other, other_len);
CheckSize(currentSize+otherSize, 0);
size_t start = size_of_utf_string_len(m_data, pos); // size is number of T, not in bytes
memmove( m_data + start + otherSize, m_data + start, (currentSize-start+1)*sizeof(T)); // memmove handles overlapping memory move
utf_stringnn_from_utf_string(m_data+start, otherSize, other);
// m_data[newSize] = 0;
return *((ThisXStringClass*)this);
}
/* insert char* */
template<typename O>
ThisXStringClass& insertAtPos(const O* other, size_t pos)
{
if ( !other || !*other ) return *((ThisXStringClass*)this);
size_t currentLength = __String<T, ThisXStringClass>::length();
if ( pos >= currentLength ) {
strcat(other);
return *((ThisXStringClass*)this);
}
size_t currentSize = size_of_utf_string(m_data);
size_t otherSize = utf_size_of_utf_string(m_data, other);
CheckSize(currentSize+otherSize, 0);
size_t start = size_of_utf_string_len(m_data, pos); // size is number of T, not in bytes
memmove( m_data + start + otherSize, m_data + start, (currentSize-start+1)*sizeof(T)); // memmove handles overlapping memory move
utf_stringnn_from_utf_string(m_data+start, otherSize, other);
// m_data[newSize] = 0;
return *((ThisXStringClass*)this);
}
/* insert char */
template<typename O, enable_if(is_char(O))>
void insertAtPos(O otherChar, size_t pos)
{
insertAtPos(&otherChar, 1, pos);
}
ThisXStringClass& deleteCharsAtPos(size_t pos, size_t count=1)
{
size_t currentLength = __String<T, ThisXStringClass>::length();
if ( pos >= currentLength ) return *((ThisXStringClass*)this);
size_t currentSize = size_of_utf_string(m_data); // size is number of T, not in bytes
CheckSize(currentSize, 0); // Although we only delete, we have to CheckSize in case this string point to a litteral.
size_t start = size_of_utf_string_len(m_data, pos); // size is number of T, not in bytes
// if ( pos+count >= currentLength ) count = currentLength - pos;
if ( pos+count >= currentLength ) {
m_data[start] = 0;
}else{
size_t end = start + size_of_utf_string_len(m_data+start, count); // size is number of T, not in bytes
memmove( m_data + start, m_data + end, (currentSize-end+1)*sizeof(T)); // memmove handles overlapping memory move
}
// Handle length change when implementing caching length feature.
return *((ThisXStringClass*)this);
}
ThisXStringClass& replaceAll(char32_t charToSearch, char32_t charToReplaceBy)
{
size_t currentSize = __String<T, ThisXStringClass>::sizeInNativeChars(); // size is number of T, not in bytes
size_t charToSearchSize = utf_size_of_utf_string_len(m_data, &charToSearch, 1); // size is number of T, not in bytes
size_t charToReplaceBySize = utf_size_of_utf_string_len(m_data, &charToReplaceBy, 1); // size is number of T, not in bytes
// careful because 'charToReplaceBySize - charToSearchSize' overflows when charToSearchSize > charToReplaceBySize, which happens.
char32_t char32;
T* previousData = m_data;
T* previousP = m_data;
T* p = get_char32_from_string(previousP, &char32);
while ( char32 ) {
if (!char32) break;
if ( char32 == charToSearch ) {
if ( CheckSize(currentSize + charToReplaceBySize - charToSearchSize) ) {
previousP = m_data + ( previousP - previousData );
p = m_data + ( p - previousData );
previousData = m_data;
}
memmove(p+charToReplaceBySize-charToSearchSize, p, uintptr_t(m_data + currentSize - p + 1)*sizeof(T));
p += charToReplaceBySize;
p -= charToSearchSize;
currentSize += charToReplaceBySize;
currentSize -= charToSearchSize;
utf_stringnn_from_utf_string(previousP, charToReplaceBySize, &charToReplaceBy);
}
previousP = p;
p = get_char32_from_string(previousP, &char32);
}
return *((ThisXStringClass*)this);
}
template<typename OtherXStringClass1, class OtherXStringClass2, enable_if( is___String(OtherXStringClass1) && is___String(OtherXStringClass2))>
ThisXStringClass& replaceAll(const OtherXStringClass1& search, const OtherXStringClass2& replaceBy )
{
size_t currentSize = __String<T, ThisXStringClass>::sizeInNativeChars(); // size is number of T, not in bytes
size_t sizeLeft = currentSize; // size is number of T, not in bytes
size_t searchSize = utf_size_of_utf_string(m_data, search.s()); // size is number of T, not in bytes
size_t replaceBySize = utf_size_of_utf_string(m_data, replaceBy.s()); // size is number of T, not in bytes
// careful because 'charToReplaceBySize - charToSearchSize' overflows when charToSearchSize > charToReplaceBySize, which happens.
// size_t pos = __String<T, ThisXStringClass>::indexOf(search);
T* previousData = m_data;
T* previousP = m_data;
T* p = m_data;
size_t pos = XStringAbstract__indexOf((const T**)&p, search.s(), 0, false);
while ( pos != MAX_XSIZE ) {
if ( CheckSize(currentSize + replaceBySize - searchSize) ) {
previousP = m_data + ( previousP - previousData );
p = m_data + ( p - previousData );
previousData = m_data;
}
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sizeLeft -= uintptr_t(p-previousP);
memmove(p+replaceBySize, p+searchSize, (sizeLeft - searchSize + 1)*sizeof(T));
// memmove(m_data+pos+replaceBySize-searchSize, m_data+pos, (currentSize - pos + 1)*sizeof(T));
utf_stringnn_from_utf_string(p, replaceBySize, replaceBy.s());
p += replaceBySize;
currentSize += replaceBySize;
currentSize -= searchSize;
sizeLeft -= searchSize;
// sizeLeft is equal to utf_size_of_utf_string(p, p);
previousP = p;
pos = XStringAbstract__indexOf((const T**)&p, search.s(), 0, false);
}
return *((ThisXStringClass*)this);
}
void trim()
{
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size_t lengthInNativeBytes = __String<T, ThisXStringClass>::sizeInNativeChars();
if ( lengthInNativeBytes == 0 ) return;
T* start = 0;
size_t count = 0;
T* s = m_data;
while ( *s && unsigned_type(T)(*s) <= 32 ) s++;
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if ( !*s ) {
m_data[0] = 0;
return;
}
start = s;
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s = m_data + lengthInNativeBytes - 1;
while ( *s && unsigned_type(T)(*s) <= 32 ) s--;
count = uintptr_t(s - start) + 1;
CheckSize(count); // We have to CheckSize in case this string point to a litteral.
memmove(m_data, start, count*sizeof(T));
m_data[count] = 0;
}
void lowerAscii()
{
size_t currentSize = size_of_utf_string(m_data); // size is number of T, not in bytes
CheckSize(currentSize, 0); // We have to CheckSize in case this string point to a litteral.
T* s = m_data;
while ( *s ) {
*s = asciiToLower(*s);
s++;
}
}
void upperAscii()
{
size_t currentSize = size_of_utf_string(m_data); // size is number of T, not in bytes
CheckSize(currentSize, 0); // We have to CheckSize in case this string point to a litteral.
T* s = m_data;
while ( *s ) {
*s = asciiToUpper(*s);
s++;
}
}
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ThisXStringClass& stealValueFrom(T* S) {
if ( m_allocatedSize > 0 ) free((void*)m_data);
m_data = S;
m_allocatedSize = utf_size_of_utf_string(m_data, S) + 1;
return *((ThisXStringClass*)this);
}
/* takeValueFrom */
template<typename O, class OtherXStringClass>
ThisXStringClass& takeValueFrom(const __String<O, OtherXStringClass>& S) { strcpy(S.s()); return *((ThisXStringClass*)this); }
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template<typename O>
ThisXStringClass& takeValueFrom(const O* S) { strcpy(S); return *((ThisXStringClass*)this); }
template<typename O, enable_if(is_char(O))>
ThisXStringClass& takeValueFrom(const O C) { strcpy(C); return *((ThisXStringClass*)this); }
template<typename O, class OtherXStringClass>
ThisXStringClass& takeValueFrom(const __String<O, OtherXStringClass>& S, size_t len) { strncpy(S.s(), len); return *((ThisXStringClass*)this); }
template<typename O>
ThisXStringClass& takeValueFrom(const O* S, size_t len) { strncpy(S, len); return *((ThisXStringClass*)this); }
/* += */
template<typename O, class OtherXStringClass>
ThisXStringClass& operator += (const __String<O, OtherXStringClass>& S) { strcat(S.s()); return *((ThisXStringClass*)this); }
template<typename O, enable_if(is_char(O))>
ThisXStringClass& operator += (O S) { strcat(S); return *((ThisXStringClass*)this); }
template<typename O>
ThisXStringClass& operator += (const O* S) { strcat(S); return *((ThisXStringClass*)this); }
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};
template<class T, class ThisXStringClass>
T XStringAbstract<T, ThisXStringClass>::nullChar = 0;
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//------------------------------------------------------- + operator
template<typename T1, typename T2, enable_if( is___String(T1) || is___String(T2) )>
typename __string_class_or<T1, T2>::type operator + (T1 p1, T2 p2) { typename __string_class_or<T1, T2>::type s; s.takeValueFrom(p1); s.strcat(p2); return s; }
//-------------------------------------------------------
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#undef DBG_XSTRING
#undef asciiToLower
#undef m_data
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#endif // __XSTRINGABSTRACT_H__