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Diffstat (limited to 'core/include/fxcrt/fx_string.h')
| -rw-r--r-- | core/include/fxcrt/fx_string.h | 819 |
1 files changed, 0 insertions, 819 deletions
diff --git a/core/include/fxcrt/fx_string.h b/core/include/fxcrt/fx_string.h deleted file mode 100644 index afaf94b538..0000000000 --- a/core/include/fxcrt/fx_string.h +++ /dev/null @@ -1,819 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#ifndef CORE_INCLUDE_FXCRT_FX_STRING_H_ -#define CORE_INCLUDE_FXCRT_FX_STRING_H_ - -#include <stdint.h> // For intptr_t. -#include <algorithm> - -#include "core/include/fxcrt/fx_memory.h" -#include "core/include/fxcrt/fx_system.h" - -class CFX_BinaryBuf; -class CFX_ByteString; -class CFX_WideString; - -// An immutable string with caller-provided storage which must outlive the -// string itself. -class CFX_ByteStringC { - public: - typedef FX_CHAR value_type; - - CFX_ByteStringC() { - m_Ptr = NULL; - m_Length = 0; - } - - CFX_ByteStringC(const uint8_t* ptr, FX_STRSIZE size) { - m_Ptr = ptr; - m_Length = size; - } - - CFX_ByteStringC(const FX_CHAR* ptr) { - m_Ptr = (const uint8_t*)ptr; - m_Length = ptr ? FXSYS_strlen(ptr) : 0; - } - - // |ch| must be an lvalue that outlives the the CFX_ByteStringC. However, - // the use of char rvalues are not caught at compile time. They are - // implicitly promoted to CFX_ByteString (see below) and then the - // CFX_ByteStringC is constructed from the CFX_ByteString via the alternate - // constructor below. The CFX_ByteString then typically goes out of scope - // and |m_Ptr| may be left pointing to invalid memory. Beware. - // TODO(tsepez): Mark single-argument string constructors as explicit. - CFX_ByteStringC(FX_CHAR& ch) { - m_Ptr = (const uint8_t*)&ch; - m_Length = 1; - } - - CFX_ByteStringC(const FX_CHAR* ptr, FX_STRSIZE len) { - m_Ptr = (const uint8_t*)ptr; - m_Length = (len == -1) ? FXSYS_strlen(ptr) : len; - } - - CFX_ByteStringC(const CFX_ByteStringC& src) { - m_Ptr = src.m_Ptr; - m_Length = src.m_Length; - } - - CFX_ByteStringC(const CFX_ByteString& src); - - CFX_ByteStringC& operator=(const FX_CHAR* src) { - m_Ptr = (const uint8_t*)src; - m_Length = m_Ptr ? FXSYS_strlen(src) : 0; - return *this; - } - - CFX_ByteStringC& operator=(const CFX_ByteStringC& src) { - m_Ptr = src.m_Ptr; - m_Length = src.m_Length; - return *this; - } - - CFX_ByteStringC& operator=(const CFX_ByteString& src); - - bool operator==(const char* ptr) const { - return FXSYS_strlen(ptr) == m_Length && - FXSYS_memcmp(ptr, m_Ptr, m_Length) == 0; - } - bool operator==(const CFX_ByteStringC& other) const { - return other.m_Length == m_Length && - FXSYS_memcmp(other.m_Ptr, m_Ptr, m_Length) == 0; - } - bool operator!=(const char* ptr) const { return !(*this == ptr); } - bool operator!=(const CFX_ByteStringC& other) const { - return !(*this == other); - } - - FX_DWORD GetID(FX_STRSIZE start_pos = 0) const; - - const uint8_t* GetPtr() const { return m_Ptr; } - - const FX_CHAR* GetCStr() const { return (const FX_CHAR*)m_Ptr; } - - FX_STRSIZE GetLength() const { return m_Length; } - - bool IsEmpty() const { return m_Length == 0; } - - uint8_t GetAt(FX_STRSIZE index) const { return m_Ptr[index]; } - - CFX_ByteStringC Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const { - if (index < 0) { - index = 0; - } - if (index > m_Length) { - return CFX_ByteStringC(); - } - if (count < 0 || count > m_Length - index) { - count = m_Length - index; - } - return CFX_ByteStringC(m_Ptr + index, count); - } - - const uint8_t& operator[](size_t index) const { return m_Ptr[index]; } - - bool operator<(const CFX_ByteStringC& that) const { - int result = memcmp(m_Ptr, that.m_Ptr, std::min(m_Length, that.m_Length)); - return result < 0 || (result == 0 && m_Length < that.m_Length); - } - - protected: - const uint8_t* m_Ptr; - FX_STRSIZE m_Length; - - private: - void* operator new(size_t) throw() { return NULL; } -}; -inline bool operator==(const char* lhs, const CFX_ByteStringC& rhs) { - return rhs == lhs; -} -inline bool operator!=(const char* lhs, const CFX_ByteStringC& rhs) { - return rhs != lhs; -} -#define FXBSTR_ID(c1, c2, c3, c4) ((c1 << 24) | (c2 << 16) | (c3 << 8) | (c4)) - -// A mutable string with shared buffers using copy-on-write semantics that -// avoids the cost of std::string's iterator stability guarantees. -class CFX_ByteString { - public: - typedef FX_CHAR value_type; - - CFX_ByteString() : m_pData(nullptr) {} - - // Copy constructor. - CFX_ByteString(const CFX_ByteString& str); - - // Move constructor. - inline CFX_ByteString(CFX_ByteString&& other) { - m_pData = other.m_pData; - other.m_pData = nullptr; - } - - CFX_ByteString(char ch); - CFX_ByteString(const FX_CHAR* ptr) - : CFX_ByteString(ptr, ptr ? FXSYS_strlen(ptr) : 0) {} - - CFX_ByteString(const FX_CHAR* ptr, FX_STRSIZE len); - CFX_ByteString(const uint8_t* ptr, FX_STRSIZE len); - - CFX_ByteString(const CFX_ByteStringC& bstrc); - CFX_ByteString(const CFX_ByteStringC& bstrc1, const CFX_ByteStringC& bstrc2); - - ~CFX_ByteString(); - - static CFX_ByteString FromUnicode(const FX_WCHAR* ptr, FX_STRSIZE len = -1); - - static CFX_ByteString FromUnicode(const CFX_WideString& str); - - // Explicit conversion to C-style string. - const FX_CHAR* c_str() const { return m_pData ? m_pData->m_String : ""; } - - // Implicit conversion to C-style string -- deprecated. - operator const FX_CHAR*() const { return m_pData ? m_pData->m_String : ""; } - - // Explicit conversion to uint8_t*. - const uint8_t* raw_str() const { - return m_pData ? reinterpret_cast<const uint8_t*>(m_pData->m_String) - : nullptr; - } - - // Implicit conversiont to uint8_t* -- deprecated. - operator const uint8_t*() const { - return m_pData ? reinterpret_cast<const uint8_t*>(m_pData->m_String) - : nullptr; - } - - FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; } - - bool IsEmpty() const { return !GetLength(); } - - int Compare(const CFX_ByteStringC& str) const; - - bool Equal(const char* ptr) const; - bool Equal(const CFX_ByteStringC& str) const; - bool Equal(const CFX_ByteString& other) const; - - bool EqualNoCase(const CFX_ByteStringC& str) const; - - bool operator==(const char* ptr) const { return Equal(ptr); } - bool operator==(const CFX_ByteStringC& str) const { return Equal(str); } - bool operator==(const CFX_ByteString& other) const { return Equal(other); } - - bool operator!=(const char* ptr) const { return !(*this == ptr); } - bool operator!=(const CFX_ByteStringC& str) const { return !(*this == str); } - bool operator!=(const CFX_ByteString& other) const { - return !(*this == other); - } - - bool operator<(const CFX_ByteString& str) const { - int result = FXSYS_memcmp(c_str(), str.c_str(), - std::min(GetLength(), str.GetLength())); - return result < 0 || (result == 0 && GetLength() < str.GetLength()); - } - - void Empty(); - - const CFX_ByteString& operator=(const FX_CHAR* str); - - const CFX_ByteString& operator=(const CFX_ByteStringC& bstrc); - - const CFX_ByteString& operator=(const CFX_ByteString& stringSrc); - - const CFX_ByteString& operator=(const CFX_BinaryBuf& buf); - - void Load(const uint8_t* str, FX_STRSIZE len); - - const CFX_ByteString& operator+=(FX_CHAR ch); - - const CFX_ByteString& operator+=(const FX_CHAR* str); - - const CFX_ByteString& operator+=(const CFX_ByteString& str); - - const CFX_ByteString& operator+=(const CFX_ByteStringC& bstrc); - - uint8_t GetAt(FX_STRSIZE nIndex) const { - return m_pData ? m_pData->m_String[nIndex] : 0; - } - - uint8_t operator[](FX_STRSIZE nIndex) const { - return m_pData ? m_pData->m_String[nIndex] : 0; - } - - void SetAt(FX_STRSIZE nIndex, FX_CHAR ch); - - FX_STRSIZE Insert(FX_STRSIZE index, FX_CHAR ch); - - FX_STRSIZE Delete(FX_STRSIZE index, FX_STRSIZE count = 1); - - void Format(const FX_CHAR* lpszFormat, ...); - - void FormatV(const FX_CHAR* lpszFormat, va_list argList); - - void Reserve(FX_STRSIZE len); - - FX_CHAR* GetBuffer(FX_STRSIZE len); - - void ReleaseBuffer(FX_STRSIZE len = -1); - - CFX_ByteString Mid(FX_STRSIZE first) const; - - CFX_ByteString Mid(FX_STRSIZE first, FX_STRSIZE count) const; - - CFX_ByteString Left(FX_STRSIZE count) const; - - CFX_ByteString Right(FX_STRSIZE count) const; - - FX_STRSIZE Find(const CFX_ByteStringC& lpszSub, FX_STRSIZE start = 0) const; - - FX_STRSIZE Find(FX_CHAR ch, FX_STRSIZE start = 0) const; - - FX_STRSIZE ReverseFind(FX_CHAR ch) const; - - void MakeLower(); - - void MakeUpper(); - - void TrimRight(); - - void TrimRight(FX_CHAR chTarget); - - void TrimRight(const CFX_ByteStringC& lpszTargets); - - void TrimLeft(); - - void TrimLeft(FX_CHAR chTarget); - - void TrimLeft(const CFX_ByteStringC& lpszTargets); - - FX_STRSIZE Replace(const CFX_ByteStringC& lpszOld, - const CFX_ByteStringC& lpszNew); - - FX_STRSIZE Remove(FX_CHAR ch); - - CFX_WideString UTF8Decode() const; - - FX_DWORD GetID(FX_STRSIZE start_pos = 0) const; - -#define FXFORMAT_SIGNED 1 -#define FXFORMAT_HEX 2 -#define FXFORMAT_CAPITAL 4 - - static CFX_ByteString FormatInteger(int i, FX_DWORD flags = 0); - static CFX_ByteString FormatFloat(FX_FLOAT f, int precision = 0); - - protected: - // To ensure ref counts do not overflow, consider the worst possible case: - // the entire address space contains nothing but pointers to this object. - // Since the count increments with each new pointer, the largest value is - // the number of pointers that can fit into the address space. The size of - // the address space itself is a good upper bound on it; we need not go - // larger. - class StringData { - public: - static StringData* Create(int nLen); - void Retain() { ++m_nRefs; } - void Release() { - if (--m_nRefs <= 0) - FX_Free(this); - } - - intptr_t m_nRefs; // Would prefer ssize_t, but no windows support. - FX_STRSIZE m_nDataLength; - FX_STRSIZE m_nAllocLength; - FX_CHAR m_String[1]; - - private: - StringData(FX_STRSIZE dataLen, FX_STRSIZE allocLen) - : m_nRefs(1), m_nDataLength(dataLen), m_nAllocLength(allocLen) { - FXSYS_assert(dataLen >= 0); - FXSYS_assert(allocLen >= 0); - FXSYS_assert(dataLen <= allocLen); - m_String[dataLen] = 0; - } - ~StringData() = delete; - }; - - void AllocCopy(CFX_ByteString& dest, - FX_STRSIZE nCopyLen, - FX_STRSIZE nCopyIndex) const; - void AssignCopy(FX_STRSIZE nSrcLen, const FX_CHAR* lpszSrcData); - void ConcatCopy(FX_STRSIZE nSrc1Len, - const FX_CHAR* lpszSrc1Data, - FX_STRSIZE nSrc2Len, - const FX_CHAR* lpszSrc2Data); - void ConcatInPlace(FX_STRSIZE nSrcLen, const FX_CHAR* lpszSrcData); - void CopyBeforeWrite(); - void AllocBeforeWrite(FX_STRSIZE nLen); - - StringData* m_pData; - friend class fxcrt_ByteStringConcatInPlace_Test; -}; -inline CFX_ByteStringC::CFX_ByteStringC(const CFX_ByteString& src) { - m_Ptr = (const uint8_t*)src; - m_Length = src.GetLength(); -} -inline CFX_ByteStringC& CFX_ByteStringC::operator=(const CFX_ByteString& src) { - m_Ptr = (const uint8_t*)src; - m_Length = src.GetLength(); - return *this; -} - -inline bool operator==(const char* lhs, const CFX_ByteString& rhs) { - return rhs == lhs; -} -inline bool operator==(const CFX_ByteStringC& lhs, const CFX_ByteString& rhs) { - return rhs == lhs; -} -inline bool operator!=(const char* lhs, const CFX_ByteString& rhs) { - return rhs != lhs; -} -inline bool operator!=(const CFX_ByteStringC& lhs, const CFX_ByteString& rhs) { - return rhs != lhs; -} - -inline CFX_ByteString operator+(const CFX_ByteStringC& str1, - const CFX_ByteStringC& str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const CFX_ByteStringC& str1, - const FX_CHAR* str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const FX_CHAR* str1, - const CFX_ByteStringC& str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const CFX_ByteStringC& str1, FX_CHAR ch) { - return CFX_ByteString(str1, CFX_ByteStringC(ch)); -} -inline CFX_ByteString operator+(FX_CHAR ch, const CFX_ByteStringC& str2) { - return CFX_ByteString(ch, str2); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, - const CFX_ByteString& str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, FX_CHAR ch) { - return CFX_ByteString(str1, CFX_ByteStringC(ch)); -} -inline CFX_ByteString operator+(FX_CHAR ch, const CFX_ByteString& str2) { - return CFX_ByteString(ch, str2); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, - const FX_CHAR* str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const FX_CHAR* str1, - const CFX_ByteString& str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, - const CFX_ByteStringC& str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const CFX_ByteStringC& str1, - const CFX_ByteString& str2) { - return CFX_ByteString(str1, str2); -} -class CFX_WideStringC { - public: - typedef FX_WCHAR value_type; - - CFX_WideStringC() { - m_Ptr = NULL; - m_Length = 0; - } - - CFX_WideStringC(const FX_WCHAR* ptr) { - m_Ptr = ptr; - m_Length = ptr ? FXSYS_wcslen(ptr) : 0; - } - - CFX_WideStringC(FX_WCHAR& ch) { - m_Ptr = &ch; - m_Length = 1; - } - - CFX_WideStringC(const FX_WCHAR* ptr, FX_STRSIZE len) { - m_Ptr = ptr; - m_Length = (len == -1) ? FXSYS_wcslen(ptr) : len; - } - - CFX_WideStringC(const CFX_WideStringC& src) { - m_Ptr = src.m_Ptr; - m_Length = src.m_Length; - } - - CFX_WideStringC(const CFX_WideString& src); - - CFX_WideStringC& operator=(const FX_WCHAR* src) { - m_Ptr = src; - m_Length = FXSYS_wcslen(src); - return *this; - } - - CFX_WideStringC& operator=(const CFX_WideStringC& src) { - m_Ptr = src.m_Ptr; - m_Length = src.m_Length; - return *this; - } - - CFX_WideStringC& operator=(const CFX_WideString& src); - - bool operator==(const wchar_t* ptr) const { - return FXSYS_wcslen(ptr) == m_Length && wmemcmp(ptr, m_Ptr, m_Length) == 0; - } - bool operator==(const CFX_WideStringC& str) const { - return str.m_Length == m_Length && wmemcmp(str.m_Ptr, m_Ptr, m_Length) == 0; - } - bool operator!=(const wchar_t* ptr) const { return !(*this == ptr); } - bool operator!=(const CFX_WideStringC& str) const { return !(*this == str); } - - const FX_WCHAR* GetPtr() const { return m_Ptr; } - - FX_STRSIZE GetLength() const { return m_Length; } - - bool IsEmpty() const { return m_Length == 0; } - - FX_WCHAR GetAt(FX_STRSIZE index) const { return m_Ptr[index]; } - - CFX_WideStringC Left(FX_STRSIZE count) const { - if (count < 1) { - return CFX_WideStringC(); - } - if (count > m_Length) { - count = m_Length; - } - return CFX_WideStringC(m_Ptr, count); - } - - CFX_WideStringC Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const { - if (index < 0) { - index = 0; - } - if (index > m_Length) { - return CFX_WideStringC(); - } - if (count < 0 || count > m_Length - index) { - count = m_Length - index; - } - return CFX_WideStringC(m_Ptr + index, count); - } - - CFX_WideStringC Right(FX_STRSIZE count) const { - if (count < 1) { - return CFX_WideStringC(); - } - if (count > m_Length) { - count = m_Length; - } - return CFX_WideStringC(m_Ptr + m_Length - count, count); - } - - const FX_WCHAR& operator[](size_t index) const { return m_Ptr[index]; } - - bool operator<(const CFX_WideStringC& that) const { - int result = wmemcmp(m_Ptr, that.m_Ptr, std::min(m_Length, that.m_Length)); - return result < 0 || (result == 0 && m_Length < that.m_Length); - } - - protected: - const FX_WCHAR* m_Ptr; - FX_STRSIZE m_Length; - - private: - void* operator new(size_t) throw() { return NULL; } -}; -inline bool operator==(const wchar_t* lhs, const CFX_WideStringC& rhs) { - return rhs == lhs; -} -inline bool operator!=(const wchar_t* lhs, const CFX_WideStringC& rhs) { - return rhs != lhs; -} -#define FX_WSTRC(wstr) CFX_WideStringC(wstr, FX_ArraySize(wstr) - 1) - -// A mutable string with shared buffers using copy-on-write semantics that -// avoids the cost of std::string's iterator stability guarantees. -class CFX_WideString { - public: - typedef FX_WCHAR value_type; - - CFX_WideString() : m_pData(nullptr) {} - - // Copy constructor. - CFX_WideString(const CFX_WideString& str); - - // Move constructor. - inline CFX_WideString(CFX_WideString&& other) { - m_pData = other.m_pData; - other.m_pData = nullptr; - } - - CFX_WideString(const FX_WCHAR* ptr) - : CFX_WideString(ptr, ptr ? FXSYS_wcslen(ptr) : 0) {} - - CFX_WideString(const FX_WCHAR* ptr, FX_STRSIZE len); - - CFX_WideString(FX_WCHAR ch); - - CFX_WideString(const CFX_WideStringC& str); - - CFX_WideString(const CFX_WideStringC& str1, const CFX_WideStringC& str2); - - ~CFX_WideString(); - - static CFX_WideString FromLocal(const CFX_ByteString& str); - - static CFX_WideString FromCodePage(const CFX_ByteString& str, - uint16_t codepage); - - static CFX_WideString FromUTF8(const char* str, FX_STRSIZE len); - - static CFX_WideString FromUTF16LE(const unsigned short* str, FX_STRSIZE len); - - static FX_STRSIZE WStringLength(const unsigned short* str); - - // Explicit conversion to C-style wide string. - const FX_WCHAR* c_str() const { return m_pData ? m_pData->m_String : L""; } - - // Implicit conversion to C-style wide string -- deprecated. - operator const FX_WCHAR*() const { return m_pData ? m_pData->m_String : L""; } - - void Empty(); - - bool IsEmpty() const { return !GetLength(); } - - FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; } - - const CFX_WideString& operator=(const FX_WCHAR* str); - - const CFX_WideString& operator=(const CFX_WideString& stringSrc); - - const CFX_WideString& operator=(const CFX_WideStringC& stringSrc); - - const CFX_WideString& operator+=(const FX_WCHAR* str); - - const CFX_WideString& operator+=(FX_WCHAR ch); - - const CFX_WideString& operator+=(const CFX_WideString& str); - - const CFX_WideString& operator+=(const CFX_WideStringC& str); - - bool operator==(const wchar_t* ptr) const { return Equal(ptr); } - bool operator==(const CFX_WideStringC& str) const { return Equal(str); } - bool operator==(const CFX_WideString& other) const { return Equal(other); } - - bool operator!=(const wchar_t* ptr) const { return !(*this == ptr); } - bool operator!=(const CFX_WideStringC& str) const { return !(*this == str); } - bool operator!=(const CFX_WideString& other) const { - return !(*this == other); - } - - bool operator<(const CFX_WideString& str) const { - int result = - wmemcmp(c_str(), str.c_str(), std::min(GetLength(), str.GetLength())); - return result < 0 || (result == 0 && GetLength() < str.GetLength()); - } - - FX_WCHAR GetAt(FX_STRSIZE nIndex) const { - return m_pData ? m_pData->m_String[nIndex] : 0; - } - - FX_WCHAR operator[](FX_STRSIZE nIndex) const { - return m_pData ? m_pData->m_String[nIndex] : 0; - } - - void SetAt(FX_STRSIZE nIndex, FX_WCHAR ch); - - int Compare(const FX_WCHAR* str) const; - - int Compare(const CFX_WideString& str) const; - - int CompareNoCase(const FX_WCHAR* str) const; - - bool Equal(const wchar_t* ptr) const; - bool Equal(const CFX_WideStringC& str) const; - bool Equal(const CFX_WideString& other) const; - - CFX_WideString Mid(FX_STRSIZE first) const; - - CFX_WideString Mid(FX_STRSIZE first, FX_STRSIZE count) const; - - CFX_WideString Left(FX_STRSIZE count) const; - - CFX_WideString Right(FX_STRSIZE count) const; - - FX_STRSIZE Insert(FX_STRSIZE index, FX_WCHAR ch); - - FX_STRSIZE Delete(FX_STRSIZE index, FX_STRSIZE count = 1); - - void Format(const FX_WCHAR* lpszFormat, ...); - - void FormatV(const FX_WCHAR* lpszFormat, va_list argList); - - void MakeLower(); - - void MakeUpper(); - - void TrimRight(); - - void TrimRight(FX_WCHAR chTarget); - - void TrimRight(const FX_WCHAR* lpszTargets); - - void TrimLeft(); - - void TrimLeft(FX_WCHAR chTarget); - - void TrimLeft(const FX_WCHAR* lpszTargets); - - void Reserve(FX_STRSIZE len); - - FX_WCHAR* GetBuffer(FX_STRSIZE len); - - void ReleaseBuffer(FX_STRSIZE len = -1); - - int GetInteger() const; - - FX_FLOAT GetFloat() const; - - FX_STRSIZE Find(const FX_WCHAR* lpszSub, FX_STRSIZE start = 0) const; - - FX_STRSIZE Find(FX_WCHAR ch, FX_STRSIZE start = 0) const; - - FX_STRSIZE Replace(const FX_WCHAR* lpszOld, const FX_WCHAR* lpszNew); - - FX_STRSIZE Remove(FX_WCHAR ch); - - CFX_ByteString UTF8Encode() const; - - CFX_ByteString UTF16LE_Encode() const; - - protected: - class StringData { - public: - static StringData* Create(int nLen); - void Retain() { ++m_nRefs; } - void Release() { - if (--m_nRefs <= 0) - FX_Free(this); - } - - intptr_t m_nRefs; // Would prefer ssize_t, but no windows support. - FX_STRSIZE m_nDataLength; - FX_STRSIZE m_nAllocLength; - FX_WCHAR m_String[1]; - - private: - StringData(FX_STRSIZE dataLen, FX_STRSIZE allocLen) - : m_nRefs(1), m_nDataLength(dataLen), m_nAllocLength(allocLen) { - FXSYS_assert(dataLen >= 0); - FXSYS_assert(allocLen >= 0); - FXSYS_assert(dataLen <= allocLen); - m_String[dataLen] = 0; - } - ~StringData() = delete; - }; - - void CopyBeforeWrite(); - void AllocBeforeWrite(FX_STRSIZE nLen); - void ConcatInPlace(FX_STRSIZE nSrcLen, const FX_WCHAR* lpszSrcData); - void ConcatCopy(FX_STRSIZE nSrc1Len, - const FX_WCHAR* lpszSrc1Data, - FX_STRSIZE nSrc2Len, - const FX_WCHAR* lpszSrc2Data); - void AssignCopy(FX_STRSIZE nSrcLen, const FX_WCHAR* lpszSrcData); - void AllocCopy(CFX_WideString& dest, - FX_STRSIZE nCopyLen, - FX_STRSIZE nCopyIndex) const; - - StringData* m_pData; - friend class fxcrt_WideStringConcatInPlace_Test; -}; -inline CFX_WideStringC::CFX_WideStringC(const CFX_WideString& src) { - m_Ptr = src.c_str(); - m_Length = src.GetLength(); -} -inline CFX_WideStringC& CFX_WideStringC::operator=(const CFX_WideString& src) { - m_Ptr = src.c_str(); - m_Length = src.GetLength(); - return *this; -} - -inline CFX_WideString operator+(const CFX_WideStringC& str1, - const CFX_WideStringC& str2) { - return CFX_WideString(str1, str2); -} -inline CFX_WideString operator+(const CFX_WideStringC& str1, - const FX_WCHAR* str2) { - return CFX_WideString(str1, str2); -} -inline CFX_WideString operator+(const FX_WCHAR* str1, - const CFX_WideStringC& str2) { - return CFX_WideString(str1, str2); -} -inline CFX_WideString operator+(const CFX_WideStringC& str1, FX_WCHAR ch) { - return CFX_WideString(str1, CFX_WideStringC(ch)); -} -inline CFX_WideString operator+(FX_WCHAR ch, const CFX_WideStringC& str2) { - return CFX_WideString(ch, str2); -} -inline CFX_WideString operator+(const CFX_WideString& str1, - const CFX_WideString& str2) { - return CFX_WideString(str1, str2); -} -inline CFX_WideString operator+(const CFX_WideString& str1, FX_WCHAR ch) { - return CFX_WideString(str1, CFX_WideStringC(ch)); -} -inline CFX_WideString operator+(FX_WCHAR ch, const CFX_WideString& str2) { - return CFX_WideString(ch, str2); -} -inline CFX_WideString operator+(const CFX_WideString& str1, - const FX_WCHAR* str2) { - return CFX_WideString(str1, str2); -} -inline CFX_WideString operator+(const FX_WCHAR* str1, - const CFX_WideString& str2) { - return CFX_WideString(str1, str2); -} -inline CFX_WideString operator+(const CFX_WideString& str1, - const CFX_WideStringC& str2) { - return CFX_WideString(str1, str2); -} -inline CFX_WideString operator+(const CFX_WideStringC& str1, - const CFX_WideString& str2) { - return CFX_WideString(str1, str2); -} -inline bool operator==(const wchar_t* lhs, const CFX_WideString& rhs) { - return rhs == lhs; -} -inline bool operator==(const CFX_WideStringC& lhs, const CFX_WideString& rhs) { - return rhs == lhs; -} -inline bool operator!=(const wchar_t* lhs, const CFX_WideString& rhs) { - return rhs != lhs; -} -inline bool operator!=(const CFX_WideStringC& lhs, const CFX_WideString& rhs) { - return rhs != lhs; -} - -CFX_ByteString FX_UTF8Encode(const FX_WCHAR* pwsStr, FX_STRSIZE len); -inline CFX_ByteString FX_UTF8Encode(const CFX_WideStringC& wsStr) { - return FX_UTF8Encode(wsStr.GetPtr(), wsStr.GetLength()); -} -inline CFX_ByteString FX_UTF8Encode(const CFX_WideString& wsStr) { - return FX_UTF8Encode(wsStr.c_str(), wsStr.GetLength()); -} - -FX_FLOAT FX_atof(const CFX_ByteStringC& str); -inline FX_FLOAT FX_atof(const CFX_WideStringC& wsStr) { - return FX_atof(FX_UTF8Encode(wsStr.GetPtr(), wsStr.GetLength())); -} -void FX_atonum(const CFX_ByteStringC& str, FX_BOOL& bInteger, void* pData); -FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_CHAR* buf); - -#endif // CORE_INCLUDE_FXCRT_FX_STRING_H_ |