// 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 "fx_memory.h" #include "fx_system.h" class CFX_BinaryBuf; class CFX_ByteString; class CFX_WideString; struct CFX_CharMap; // 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(FX_LPCBYTE ptr, FX_STRSIZE size) { m_Ptr = ptr; m_Length = size; } CFX_ByteStringC(FX_LPCSTR ptr) { m_Ptr = (FX_LPCBYTE)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 = (FX_LPCBYTE)&ch; m_Length = 1; } CFX_ByteStringC(FX_LPCSTR ptr, FX_STRSIZE len) { m_Ptr = (FX_LPCBYTE)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 = (FX_LPCSTR src) { m_Ptr = (FX_LPCBYTE)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_memcmp32(ptr, m_Ptr, m_Length) == 0; } bool operator== (const CFX_ByteStringC& other) const { return other.m_Length == m_Length && FXSYS_memcmp32(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; FX_LPCBYTE GetPtr() const { return m_Ptr; } FX_LPCSTR GetCStr() const { return (FX_LPCSTR)m_Ptr; } FX_STRSIZE GetLength() const { return m_Length; } bool IsEmpty() const { return m_Length == 0; } FX_BYTE 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 FX_BYTE& 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: FX_LPCBYTE 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; } typedef const CFX_ByteStringC& FX_BSTR; #define FX_BSTRC(str) CFX_ByteStringC(str, sizeof str-1) #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 = NULL; } CFX_ByteString(const CFX_ByteString& str); CFX_ByteString(char ch); CFX_ByteString(FX_LPCSTR ptr) : CFX_ByteString(ptr, ptr ? FXSYS_strlen(ptr) : 0) { } CFX_ByteString(FX_LPCSTR ptr, FX_STRSIZE len); CFX_ByteString(FX_LPCBYTE ptr, FX_STRSIZE len); CFX_ByteString(FX_BSTR bstrc); CFX_ByteString(FX_BSTR bstrc1, FX_BSTR bstrc2); ~CFX_ByteString(); static CFX_ByteString FromUnicode(FX_LPCWSTR ptr, FX_STRSIZE len = -1); static CFX_ByteString FromUnicode(const CFX_WideString& str); // Explicit conversion to raw string FX_LPCSTR c_str() const { return m_pData ? m_pData->m_String : ""; } // Implicit conversion to C-style string -- deprecated operator FX_LPCSTR() const { return m_pData ? m_pData->m_String : ""; } operator FX_LPCBYTE() const { return m_pData ? (FX_LPCBYTE)m_pData->m_String : NULL; } FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; } bool IsEmpty() const { return !GetLength(); } int Compare(FX_BSTR str) const; bool Equal(const char* ptr) const; bool Equal(const CFX_ByteStringC& str) const; bool Equal(const CFX_ByteString& other) const; bool EqualNoCase(FX_BSTR 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_memcmp32(c_str(), str.c_str(), std::min(GetLength(), str.GetLength())); return result < 0 || (result == 0 && GetLength() < str.GetLength()); } void Empty(); const CFX_ByteString& operator = (FX_LPCSTR str); const CFX_ByteString& operator = (FX_BSTR bstrc); const CFX_ByteString& operator = (const CFX_ByteString& stringSrc); const CFX_ByteString& operator = (const CFX_BinaryBuf& buf); void Load(FX_LPCBYTE str, FX_STRSIZE len); const CFX_ByteString& operator += (FX_CHAR ch); const CFX_ByteString& operator += (FX_LPCSTR str); const CFX_ByteString& operator += (const CFX_ByteString& str); const CFX_ByteString& operator += (FX_BSTR bstrc); FX_BYTE GetAt(FX_STRSIZE nIndex) const { return m_pData ? m_pData->m_String[nIndex] : 0; } FX_BYTE 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(FX_LPCSTR lpszFormat, ... ); void FormatV(FX_LPCSTR lpszFormat, va_list argList); void Reserve(FX_STRSIZE len); FX_LPSTR 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(FX_BSTR 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(FX_BSTR lpszTargets); void TrimLeft(); void TrimLeft(FX_CHAR chTarget); void TrimLeft(FX_BSTR lpszTargets); FX_STRSIZE Replace(FX_BSTR lpszOld, FX_BSTR lpszNew); FX_STRSIZE Remove(FX_CHAR ch); CFX_WideString UTF8Decode() const; void ConvertFrom(const CFX_WideString& str, CFX_CharMap* pCharMap = NULL); 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, FX_LPCSTR lpszSrcData); void ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCSTR lpszSrc2Data); void ConcatInPlace(FX_STRSIZE nSrcLen, FX_LPCSTR 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 = (FX_LPCBYTE)src; m_Length = src.GetLength(); } inline CFX_ByteStringC& CFX_ByteStringC::operator = (const CFX_ByteString& src) { m_Ptr = (FX_LPCBYTE)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 + (FX_BSTR str1, FX_BSTR str2) { return CFX_ByteString(str1, str2); } inline CFX_ByteString operator + (FX_BSTR str1, FX_LPCSTR str2) { return CFX_ByteString(str1, str2); } inline CFX_ByteString operator + (FX_LPCSTR str1, FX_BSTR str2) { return CFX_ByteString(str1, str2); } inline CFX_ByteString operator + (FX_BSTR str1, FX_CHAR ch) { return CFX_ByteString(str1, CFX_ByteStringC(ch)); } inline CFX_ByteString operator + (FX_CHAR ch, FX_BSTR 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, FX_LPCSTR str2) { return CFX_ByteString(str1, str2); } inline CFX_ByteString operator + (FX_LPCSTR str1, const CFX_ByteString& str2) { return CFX_ByteString(str1, str2); } inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_BSTR str2) { return CFX_ByteString(str1, str2); } inline CFX_ByteString operator + (FX_BSTR 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(FX_LPCWSTR ptr) { m_Ptr = ptr; m_Length = ptr ? FXSYS_wcslen(ptr) : 0; } CFX_WideStringC(FX_WCHAR& ch) { m_Ptr = &ch; m_Length = 1; } CFX_WideStringC(FX_LPCWSTR 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 = (FX_LPCWSTR 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); } FX_LPCWSTR 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: FX_LPCWSTR 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; } typedef const CFX_WideStringC& FX_WSTR; #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 = NULL; } CFX_WideString(const CFX_WideString& str); CFX_WideString(FX_LPCWSTR ptr) : CFX_WideString(ptr, ptr ? FXSYS_wcslen(ptr) : 0) { } CFX_WideString(FX_LPCWSTR 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 char* str, FX_STRSIZE len = -1); 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 raw string FX_LPCWSTR c_str() const { return m_pData ? m_pData->m_String : L""; } // Implicit conversion to C-style wide string -- deprecated operator FX_LPCWSTR() const { return m_pData ? m_pData->m_String : L""; } void Empty(); FX_BOOL IsEmpty() const { return !GetLength(); } FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; } const CFX_WideString& operator = (FX_LPCWSTR str); const CFX_WideString& operator =(const CFX_WideString& stringSrc); const CFX_WideString& operator =(const CFX_WideStringC& stringSrc); const CFX_WideString& operator += (FX_LPCWSTR 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(FX_LPCWSTR str) const; int Compare(const CFX_WideString& str) const; int CompareNoCase(FX_LPCWSTR 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(FX_LPCWSTR lpszFormat, ... ); void FormatV(FX_LPCWSTR lpszFormat, va_list argList); void MakeLower(); void MakeUpper(); void TrimRight(); void TrimRight(FX_WCHAR chTarget); void TrimRight(FX_LPCWSTR lpszTargets); void TrimLeft(); void TrimLeft(FX_WCHAR chTarget); void TrimLeft(FX_LPCWSTR lpszTargets); void Reserve(FX_STRSIZE len); FX_LPWSTR GetBuffer(FX_STRSIZE len); void ReleaseBuffer(FX_STRSIZE len = -1); int GetInteger() const; FX_FLOAT GetFloat() const; FX_STRSIZE Find(FX_LPCWSTR lpszSub, FX_STRSIZE start = 0) const; FX_STRSIZE Find(FX_WCHAR ch, FX_STRSIZE start = 0) const; FX_STRSIZE Replace(FX_LPCWSTR lpszOld, FX_LPCWSTR lpszNew); FX_STRSIZE Remove(FX_WCHAR ch); CFX_ByteString UTF8Encode() const; CFX_ByteString UTF16LE_Encode() const; void ConvertFrom(const CFX_ByteString& str, CFX_CharMap* pCharMap = NULL); 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, FX_LPCWSTR lpszSrcData); void ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCWSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCWSTR lpszSrc2Data); void AssignCopy(FX_STRSIZE nSrcLen, FX_LPCWSTR 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, FX_LPCWSTR str2) { return CFX_WideString(str1, str2); } inline CFX_WideString operator + (FX_LPCWSTR 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, FX_LPCWSTR str2) { return CFX_WideString(str1, str2); } inline CFX_WideString operator + (FX_LPCWSTR 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; } FX_FLOAT FX_atof(FX_BSTR str); void FX_atonum(FX_BSTR str, FX_BOOL& bInteger, void* pData); FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_LPSTR buf); CFX_ByteString FX_UTF8Encode(FX_LPCWSTR pwsStr, FX_STRSIZE len); inline CFX_ByteString FX_UTF8Encode(FX_WSTR 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()); } #endif // CORE_INCLUDE_FXCRT_FX_STRING_H_