-// Copyright 2014 PDFium Authors. All rights reserved.\r
-// Use of this source code is governed by a BSD-style license that can be\r
-// found in the LICENSE file.\r
- \r
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com\r
-\r
-#ifndef _FX_STRING_H_\r
-#define _FX_STRING_H_\r
-class CFX_ByteStringC;\r
-class CFX_ByteString;\r
-class CFX_WideStringC;\r
-class CFX_WideString;\r
-struct CFX_CharMap;\r
-class CFX_BinaryBuf;\r
-typedef int FX_STRSIZE;\r
-class CFX_ByteStringL;\r
-class CFX_WideStringL;\r
-class CFX_ByteStringC : public CFX_Object\r
-{\r
-public:\r
-\r
- CFX_ByteStringC()\r
- {\r
- m_Ptr = NULL;\r
- m_Length = 0;\r
- }\r
-\r
- CFX_ByteStringC(FX_LPCBYTE ptr, FX_STRSIZE size)\r
- {\r
- m_Ptr = ptr;\r
- m_Length = size;\r
- }\r
-\r
- CFX_ByteStringC(FX_LPCSTR ptr)\r
- {\r
- m_Ptr = (FX_LPCBYTE)ptr;\r
- m_Length = ptr ? (FX_STRSIZE)FXSYS_strlen(ptr) : 0;\r
- }\r
-\r
- CFX_ByteStringC(FX_CHAR& ch)\r
- {\r
- m_Ptr = (FX_LPCBYTE)&ch;\r
- m_Length = 1;\r
- }\r
-\r
- CFX_ByteStringC(FX_LPCSTR ptr, FX_STRSIZE len)\r
- {\r
- m_Ptr = (FX_LPCBYTE)ptr;\r
- if (len == -1) {\r
- m_Length = (FX_STRSIZE)FXSYS_strlen(ptr);\r
- } else {\r
- m_Length = len;\r
- }\r
- }\r
-\r
- CFX_ByteStringC(const CFX_ByteStringC& src)\r
- {\r
- m_Ptr = src.m_Ptr;\r
- m_Length = src.m_Length;\r
- }\r
-\r
- CFX_ByteStringC(const CFX_ByteString& src);\r
-\r
- CFX_ByteStringC& operator = (FX_LPCSTR src)\r
- {\r
- m_Ptr = (FX_LPCBYTE)src;\r
- m_Length = (FX_STRSIZE)FXSYS_strlen(src);\r
- return *this;\r
- }\r
-\r
- CFX_ByteStringC& operator = (const CFX_ByteStringC& src)\r
- {\r
- m_Ptr = src.m_Ptr;\r
- m_Length = src.m_Length;\r
- return *this;\r
- }\r
-\r
- CFX_ByteStringC& operator = (const CFX_ByteString& src);\r
-\r
- bool operator == (const CFX_ByteStringC& str) const\r
- {\r
- return str.m_Length == m_Length && FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length) == 0;\r
- }\r
-\r
- bool operator != (const CFX_ByteStringC& str) const\r
- {\r
- return str.m_Length != m_Length || FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length) != 0;\r
- }\r
-#define FXBSTR_ID(c1, c2, c3, c4) ((c1 << 24) | (c2 << 16) | (c3 << 8) | (c4))\r
-\r
- FX_DWORD GetID(FX_STRSIZE start_pos = 0) const;\r
-\r
- FX_LPCBYTE GetPtr() const\r
- {\r
- return m_Ptr;\r
- }\r
-\r
- FX_LPCSTR GetCStr() const\r
- {\r
- return (FX_LPCSTR)m_Ptr;\r
- }\r
-\r
- FX_STRSIZE GetLength() const\r
- {\r
- return m_Length;\r
- }\r
-\r
- bool IsEmpty() const\r
- {\r
- return m_Length == 0;\r
- }\r
-\r
- operator FX_LPCBYTE() const\r
- {\r
- return m_Ptr;\r
- }\r
-\r
- FX_BYTE GetAt(FX_STRSIZE index) const\r
- {\r
- return m_Ptr[index];\r
- }\r
-\r
- CFX_ByteStringC Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const\r
- {\r
- if (index < 0) {\r
- index = 0;\r
- }\r
- if (index > m_Length) {\r
- return CFX_ByteStringC();\r
- }\r
- if (count < 0 || count > m_Length - index) {\r
- count = m_Length - index;\r
- }\r
- return CFX_ByteStringC(m_Ptr + index, count);\r
- }\r
-protected:\r
-\r
- FX_LPCBYTE m_Ptr;\r
-\r
- FX_STRSIZE m_Length;\r
-private:\r
-\r
- void* operator new (size_t) throw()\r
- {\r
- return NULL;\r
- }\r
-};\r
-typedef const CFX_ByteStringC& FX_BSTR;\r
-#define FX_BSTRC(str) CFX_ByteStringC(str, sizeof str-1)\r
-struct CFX_StringData {\r
-\r
- long m_nRefs;\r
-\r
- FX_STRSIZE m_nDataLength;\r
-\r
- FX_STRSIZE m_nAllocLength;\r
-\r
- FX_CHAR m_String[1];\r
-};\r
-class CFX_ByteString : public CFX_Object\r
-{\r
-public:\r
-\r
- CFX_ByteString()\r
- {\r
- m_pData = NULL;\r
- }\r
-\r
- CFX_ByteString(const CFX_ByteString& str);\r
-\r
- CFX_ByteString(char ch);\r
-\r
- CFX_ByteString(FX_LPCSTR ptr, FX_STRSIZE len = -1);\r
-\r
- CFX_ByteString(FX_LPCBYTE ptr, FX_STRSIZE len);\r
-\r
- CFX_ByteString(FX_BSTR bstrc);\r
-\r
- CFX_ByteString(FX_BSTR bstrc1, FX_BSTR bstrc2);\r
-\r
- ~CFX_ByteString();\r
-\r
- static CFX_ByteString FromUnicode(FX_LPCWSTR ptr, FX_STRSIZE len = -1);\r
-\r
- static CFX_ByteString FromUnicode(const CFX_WideString& str);\r
-\r
- operator FX_LPCSTR() const\r
- {\r
- return m_pData ? m_pData->m_String : "";\r
- }\r
-\r
- operator FX_LPCBYTE() const\r
- {\r
- return m_pData ? (FX_LPCBYTE)m_pData->m_String : NULL;\r
- }\r
-\r
- FX_STRSIZE GetLength() const\r
- {\r
- return m_pData ? m_pData->m_nDataLength : 0;\r
- }\r
-\r
- bool IsEmpty() const\r
- {\r
- return !GetLength();\r
- }\r
-\r
- int Compare(FX_BSTR str) const;\r
-\r
-\r
- bool Equal(FX_BSTR str) const;\r
-\r
-\r
- bool EqualNoCase(FX_BSTR str) const;\r
-\r
- bool operator == (FX_LPCSTR str) const\r
- {\r
- return Equal(str);\r
- }\r
-\r
- bool operator == (FX_BSTR str) const\r
- {\r
- return Equal(str);\r
- }\r
-\r
- bool operator == (const CFX_ByteString& str) const;\r
-\r
- bool operator != (FX_LPCSTR str) const\r
- {\r
- return !Equal(str);\r
- }\r
-\r
- bool operator != (FX_BSTR str) const\r
- {\r
- return !Equal(str);\r
- }\r
-\r
- bool operator != (const CFX_ByteString& str) const\r
- {\r
- return !operator==(str);\r
- }\r
-\r
- void Empty();\r
-\r
- const CFX_ByteString& operator = (FX_LPCSTR str);\r
-\r
- const CFX_ByteString& operator = (FX_BSTR bstrc);\r
-\r
- const CFX_ByteString& operator = (const CFX_ByteString& stringSrc);\r
-\r
- const CFX_ByteString& operator = (const CFX_BinaryBuf& buf);\r
-\r
- void Load(FX_LPCBYTE str, FX_STRSIZE len);\r
-\r
- const CFX_ByteString& operator += (FX_CHAR ch);\r
-\r
- const CFX_ByteString& operator += (FX_LPCSTR str);\r
-\r
- const CFX_ByteString& operator += (const CFX_ByteString& str);\r
-\r
- const CFX_ByteString& operator += (FX_BSTR bstrc);\r
-\r
- FX_BYTE GetAt(FX_STRSIZE nIndex) const\r
- {\r
- return m_pData ? m_pData->m_String[nIndex] : 0;\r
- }\r
-\r
- FX_BYTE operator[](FX_STRSIZE nIndex) const\r
- {\r
- return m_pData ? m_pData->m_String[nIndex] : 0;\r
- }\r
-\r
- void SetAt(FX_STRSIZE nIndex, FX_CHAR ch);\r
-\r
- FX_STRSIZE Insert(FX_STRSIZE index, FX_CHAR ch);\r
-\r
- FX_STRSIZE Delete(FX_STRSIZE index, FX_STRSIZE count = 1);\r
-\r
-\r
- void Format(FX_LPCSTR lpszFormat, ... );\r
-\r
- void FormatV(FX_LPCSTR lpszFormat, va_list argList);\r
-\r
-\r
- void Reserve(FX_STRSIZE len);\r
-\r
- FX_LPSTR GetBuffer(FX_STRSIZE len);\r
-\r
- FX_LPSTR LockBuffer();\r
-\r
- void ReleaseBuffer(FX_STRSIZE len = -1);\r
-\r
- CFX_ByteString Mid(FX_STRSIZE first) const;\r
-\r
- CFX_ByteString Mid(FX_STRSIZE first, FX_STRSIZE count) const;\r
-\r
- CFX_ByteString Left(FX_STRSIZE count) const;\r
-\r
- CFX_ByteString Right(FX_STRSIZE count) const;\r
-\r
- FX_STRSIZE Find(FX_BSTR lpszSub, FX_STRSIZE start = 0) const;\r
-\r
- FX_STRSIZE Find(FX_CHAR ch, FX_STRSIZE start = 0) const;\r
-\r
- FX_STRSIZE ReverseFind(FX_CHAR ch) const;\r
-\r
- void MakeLower();\r
-\r
- void MakeUpper();\r
-\r
- void TrimRight();\r
-\r
- void TrimRight(FX_CHAR chTarget);\r
-\r
- void TrimRight(FX_BSTR lpszTargets);\r
-\r
- void TrimLeft();\r
-\r
- void TrimLeft(FX_CHAR chTarget);\r
-\r
- void TrimLeft(FX_BSTR lpszTargets);\r
-\r
- FX_STRSIZE Replace(FX_BSTR lpszOld, FX_BSTR lpszNew);\r
-\r
- FX_STRSIZE Remove(FX_CHAR ch);\r
-\r
- CFX_WideString UTF8Decode() const;\r
-\r
- void ConvertFrom(const CFX_WideString& str, CFX_CharMap* pCharMap = NULL);\r
-\r
- FX_DWORD GetID(FX_STRSIZE start_pos = 0) const;\r
-\r
- static CFX_ByteString LoadFromFile(FX_BSTR file_path);\r
-#define FXFORMAT_SIGNED 1\r
-#define FXFORMAT_HEX 2\r
-#define FXFORMAT_CAPITAL 4\r
-\r
- static CFX_ByteString FormatInteger(int i, FX_DWORD flags = 0);\r
-\r
- static CFX_ByteString FormatFloat(FX_FLOAT f, int precision = 0);\r
-protected:\r
-\r
- struct CFX_StringData* m_pData;\r
- void AllocCopy(CFX_ByteString& dest, FX_STRSIZE nCopyLen, FX_STRSIZE nCopyIndex, FX_STRSIZE nExtraLen) const;\r
- void AssignCopy(FX_STRSIZE nSrcLen, FX_LPCSTR lpszSrcData);\r
- void ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCSTR lpszSrc2Data);\r
- void ConcatInPlace(FX_STRSIZE nSrcLen, FX_LPCSTR lpszSrcData);\r
- void CopyBeforeWrite();\r
- void AllocBeforeWrite(FX_STRSIZE nLen);\r
-};\r
-inline CFX_ByteStringC::CFX_ByteStringC(const CFX_ByteString& src)\r
-{\r
- m_Ptr = (FX_LPCBYTE)src;\r
- m_Length = src.GetLength();\r
-}\r
-inline CFX_ByteStringC& CFX_ByteStringC::operator = (const CFX_ByteString& src)\r
-{\r
- m_Ptr = (FX_LPCBYTE)src;\r
- m_Length = src.GetLength();\r
- return *this;\r
-}\r
-\r
-inline CFX_ByteString operator + (FX_BSTR str1, FX_BSTR str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-inline CFX_ByteString operator + (FX_BSTR str1, FX_LPCSTR str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-inline CFX_ByteString operator + (FX_LPCSTR str1, FX_BSTR str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-inline CFX_ByteString operator + (FX_BSTR str1, FX_CHAR ch)\r
-{\r
- return CFX_ByteString(str1, CFX_ByteStringC(ch));\r
-}\r
-inline CFX_ByteString operator + (FX_CHAR ch, FX_BSTR str2)\r
-{\r
- return CFX_ByteString(ch, str2);\r
-}\r
-inline CFX_ByteString operator + (const CFX_ByteString& str1, const CFX_ByteString& str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_CHAR ch)\r
-{\r
- return CFX_ByteString(str1, CFX_ByteStringC(ch));\r
-}\r
-inline CFX_ByteString operator + (FX_CHAR ch, const CFX_ByteString& str2)\r
-{\r
- return CFX_ByteString(ch, str2);\r
-}\r
-inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_LPCSTR str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-inline CFX_ByteString operator + (FX_LPCSTR str1, const CFX_ByteString& str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_BSTR str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-inline CFX_ByteString operator + (FX_BSTR str1, const CFX_ByteString& str2)\r
-{\r
- return CFX_ByteString(str1, str2);\r
-}\r
-class CFX_StringBufBase : public CFX_Object\r
-{\r
-public:\r
-\r
- CFX_StringBufBase(FX_STRSIZE limit)\r
- {\r
- m_Size = 0;\r
- m_Limit = limit;\r
- }\r
-\r
- FX_CHAR* GetPtr() const\r
- {\r
- return (FX_CHAR*)(this + 1);\r
- }\r
-\r
- FX_STRSIZE GetSize() const\r
- {\r
- return m_Size;\r
- }\r
-\r
- void Empty()\r
- {\r
- m_Size = 0;\r
- }\r
-\r
- void Copy(FX_BSTR str);\r
-\r
- void Append(FX_BSTR str);\r
-\r
- void Append(int i, FX_DWORD flags = 0);\r
-\r
- CFX_ByteStringC GetStringC() const\r
- {\r
- return CFX_ByteStringC((FX_CHAR*)(this + 1), m_Size);\r
- }\r
-\r
- CFX_ByteString GetString() const\r
- {\r
- return CFX_ByteString((FX_CHAR*)(this + 1), m_Size);\r
- }\r
-protected:\r
-\r
- FX_STRSIZE m_Limit;\r
-\r
- FX_STRSIZE m_Size;\r
-};\r
-template<FX_STRSIZE limit>\r
-class CFX_StringBufTemplate : public CFX_StringBufBase\r
-{\r
-public:\r
-\r
- CFX_StringBufTemplate() : CFX_StringBufBase(limit) {}\r
-\r
- FX_CHAR m_Buffer[limit];\r
-};\r
-typedef CFX_StringBufTemplate<256> CFX_StringBuf256;\r
-class CFX_WideStringC : public CFX_Object\r
-{\r
-public:\r
-\r
- CFX_WideStringC()\r
- {\r
- m_Ptr = NULL;\r
- m_Length = 0;\r
- }\r
-\r
- CFX_WideStringC(FX_LPCWSTR ptr)\r
- {\r
- m_Ptr = ptr;\r
- m_Length = ptr ? (FX_STRSIZE)FXSYS_wcslen(ptr) : 0;\r
- }\r
-\r
- CFX_WideStringC(FX_WCHAR& ch)\r
- {\r
- m_Ptr = &ch;\r
- m_Length = 1;\r
- }\r
-\r
- CFX_WideStringC(FX_LPCWSTR ptr, FX_STRSIZE len)\r
- {\r
- m_Ptr = ptr;\r
- if (len == -1) {\r
- m_Length = (FX_STRSIZE)FXSYS_wcslen(ptr);\r
- } else {\r
- m_Length = len;\r
- }\r
- }\r
-\r
- CFX_WideStringC(const CFX_WideStringC& src)\r
- {\r
- m_Ptr = src.m_Ptr;\r
- m_Length = src.m_Length;\r
- }\r
-\r
- CFX_WideStringC(const CFX_WideString& src);\r
-\r
- CFX_WideStringC& operator = (FX_LPCWSTR src)\r
- {\r
- m_Ptr = src;\r
- m_Length = (FX_STRSIZE)FXSYS_wcslen(src);\r
- return *this;\r
- }\r
-\r
- CFX_WideStringC& operator = (const CFX_WideStringC& src)\r
- {\r
- m_Ptr = src.m_Ptr;\r
- m_Length = src.m_Length;\r
- return *this;\r
- }\r
-\r
- CFX_WideStringC& operator = (const CFX_WideString& src);\r
-\r
- bool operator == (const CFX_WideStringC& str) const\r
- {\r
- return str.m_Length == m_Length && FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length * sizeof(FX_WCHAR)) == 0;\r
- }\r
-\r
- bool operator != (const CFX_WideStringC& str) const\r
- {\r
- return str.m_Length != m_Length || FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length * sizeof(FX_WCHAR)) != 0;\r
- }\r
-\r
- FX_LPCWSTR GetPtr() const\r
- {\r
- return m_Ptr;\r
- }\r
-\r
- FX_STRSIZE GetLength() const\r
- {\r
- return m_Length;\r
- }\r
-\r
- bool IsEmpty() const\r
- {\r
- return m_Length == 0;\r
- }\r
-\r
- FX_WCHAR GetAt(FX_STRSIZE index) const\r
- {\r
- return m_Ptr[index];\r
- }\r
-\r
- CFX_WideStringC Left(FX_STRSIZE count) const\r
- {\r
- if (count < 1) {\r
- return CFX_WideStringC();\r
- }\r
- if (count > m_Length) {\r
- count = m_Length;\r
- }\r
- return CFX_WideStringC(m_Ptr, count);\r
- }\r
-\r
- CFX_WideStringC Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const\r
- {\r
- if (index < 0) {\r
- index = 0;\r
- }\r
- if (index > m_Length) {\r
- return CFX_WideStringC();\r
- }\r
- if (count < 0 || count > m_Length - index) {\r
- count = m_Length - index;\r
- }\r
- return CFX_WideStringC(m_Ptr + index, count);\r
- }\r
-\r
- CFX_WideStringC Right(FX_STRSIZE count) const\r
- {\r
- if (count < 1) {\r
- return CFX_WideStringC();\r
- }\r
- if (count > m_Length) {\r
- count = m_Length;\r
- }\r
- return CFX_WideStringC(m_Ptr + m_Length - count, count);\r
- }\r
-protected:\r
-\r
- FX_LPCWSTR m_Ptr;\r
-\r
- FX_STRSIZE m_Length;\r
-private:\r
-\r
- void* operator new (size_t) throw()\r
- {\r
- return NULL;\r
- }\r
-};\r
-typedef const CFX_WideStringC& FX_WSTR;\r
-#define FX_WSTRC(wstr) CFX_WideStringC((FX_LPCWSTR)wstr, sizeof(wstr) / sizeof(FX_WCHAR) - 1)\r
-struct CFX_StringDataW {\r
-\r
- long m_nRefs;\r
-\r
- FX_STRSIZE m_nDataLength;\r
-\r
- FX_STRSIZE m_nAllocLength;\r
-\r
- FX_WCHAR m_String[1];\r
-};\r
-class CFX_WideString : public CFX_Object\r
-{\r
-public:\r
-\r
- CFX_WideString()\r
- {\r
- m_pData = NULL;\r
- }\r
-\r
- CFX_WideString(const CFX_WideString& str);\r
-\r
- CFX_WideString(FX_LPCWSTR ptr, FX_STRSIZE len = -1)\r
- {\r
- InitStr(ptr, len);\r
- }\r
-\r
- CFX_WideString(FX_WCHAR ch);\r
-\r
- CFX_WideString(const CFX_WideStringC& str);\r
-\r
- CFX_WideString(const CFX_WideStringC& str1, const CFX_WideStringC& str2);\r
-\r
- ~CFX_WideString();\r
-\r
- static CFX_WideString FromLocal(const char* str, FX_STRSIZE len = -1);\r
-\r
- static CFX_WideString FromUTF8(const char* str, FX_STRSIZE len = -1);\r
-\r
- static CFX_WideString FromUTF16LE(const unsigned short* str, FX_STRSIZE len = -1);\r
-\r
- operator FX_LPCWSTR() const\r
- {\r
- return m_pData ? m_pData->m_String : (FX_WCHAR*)L"";\r
- }\r
-\r
- void Empty();\r
-\r
-\r
- FX_BOOL IsEmpty() const\r
- {\r
- return !GetLength();\r
- }\r
-\r
- FX_STRSIZE GetLength() const\r
- {\r
- return m_pData ? m_pData->m_nDataLength : 0;\r
- }\r
-\r
- const CFX_WideString& operator = (FX_LPCWSTR str);\r
-\r
- const CFX_WideString& operator =(const CFX_WideString& stringSrc);\r
-\r
- const CFX_WideString& operator =(const CFX_WideStringC& stringSrc);\r
-\r
- const CFX_WideString& operator += (FX_LPCWSTR str);\r
-\r
- const CFX_WideString& operator += (FX_WCHAR ch);\r
-\r
- const CFX_WideString& operator += (const CFX_WideString& str);\r
-\r
- const CFX_WideString& operator += (const CFX_WideStringC& str);\r
-\r
- FX_WCHAR GetAt(FX_STRSIZE nIndex) const\r
- {\r
- return m_pData ? m_pData->m_String[nIndex] : 0;\r
- }\r
-\r
- FX_WCHAR operator[](FX_STRSIZE nIndex) const\r
- {\r
- return m_pData ? m_pData->m_String[nIndex] : 0;\r
- }\r
-\r
- void SetAt(FX_STRSIZE nIndex, FX_WCHAR ch);\r
-\r
- int Compare(FX_LPCWSTR str) const;\r
-\r
- int Compare(const CFX_WideString& str) const;\r
-\r
- int CompareNoCase(FX_LPCWSTR str) const;\r
-\r
- bool Equal(const CFX_WideStringC& str) const;\r
-\r
- CFX_WideString Mid(FX_STRSIZE first) const;\r
-\r
- CFX_WideString Mid(FX_STRSIZE first, FX_STRSIZE count) const;\r
-\r
- CFX_WideString Left(FX_STRSIZE count) const;\r
-\r
- CFX_WideString Right(FX_STRSIZE count) const;\r
-\r
- FX_STRSIZE Insert(FX_STRSIZE index, FX_WCHAR ch);\r
-\r
- FX_STRSIZE Delete(FX_STRSIZE index, FX_STRSIZE count = 1);\r
-\r
- void Format(FX_LPCWSTR lpszFormat, ... );\r
-\r
- void FormatV(FX_LPCWSTR lpszFormat, va_list argList);\r
-\r
- void MakeLower();\r
-\r
- void MakeUpper();\r
-\r
- void TrimRight();\r
-\r
- void TrimRight(FX_WCHAR chTarget);\r
-\r
- void TrimRight(FX_LPCWSTR lpszTargets);\r
-\r
- void TrimLeft();\r
-\r
- void TrimLeft(FX_WCHAR chTarget);\r
-\r
- void TrimLeft(FX_LPCWSTR lpszTargets);\r
-\r
- void Reserve(FX_STRSIZE len);\r
-\r
- FX_LPWSTR GetBuffer(FX_STRSIZE len);\r
-\r
- FX_LPWSTR LockBuffer();\r
-\r
- void ReleaseBuffer(FX_STRSIZE len = -1);\r
-\r
- int GetInteger() const;\r
-\r
- FX_FLOAT GetFloat() const;\r
-\r
- FX_STRSIZE Find(FX_LPCWSTR lpszSub, FX_STRSIZE start = 0) const;\r
-\r
- FX_STRSIZE Find(FX_WCHAR ch, FX_STRSIZE start = 0) const;\r
-\r
- FX_STRSIZE Replace(FX_LPCWSTR lpszOld, FX_LPCWSTR lpszNew);\r
-\r
- FX_STRSIZE Remove(FX_WCHAR ch);\r
-\r
- CFX_ByteString UTF8Encode() const;\r
-\r
- CFX_ByteString UTF16LE_Encode(FX_BOOL bTerminate = TRUE) const;\r
-\r
- void ConvertFrom(const CFX_ByteString& str, CFX_CharMap* pCharMap = NULL);\r
-protected:\r
- void InitStr(FX_LPCWSTR ptr, int len);\r
-\r
- CFX_StringDataW* m_pData;\r
- void CopyBeforeWrite();\r
- void AllocBeforeWrite(FX_STRSIZE nLen);\r
- void ConcatInPlace(FX_STRSIZE nSrcLen, FX_LPCWSTR lpszSrcData);\r
- void ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCWSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCWSTR lpszSrc2Data);\r
- void AssignCopy(FX_STRSIZE nSrcLen, FX_LPCWSTR lpszSrcData);\r
- void AllocCopy(CFX_WideString& dest, FX_STRSIZE nCopyLen, FX_STRSIZE nCopyIndex, FX_STRSIZE nExtraLen) const;\r
-};\r
-inline CFX_WideStringC::CFX_WideStringC(const CFX_WideString& src)\r
-{\r
- m_Ptr = (FX_LPCWSTR)src;\r
- m_Length = src.GetLength();\r
-}\r
-inline CFX_WideStringC& CFX_WideStringC::operator = (const CFX_WideString& src)\r
-{\r
- m_Ptr = (FX_LPCWSTR)src;\r
- m_Length = src.GetLength();\r
- return *this;\r
-}\r
-\r
-inline CFX_WideString operator + (const CFX_WideStringC& str1, const CFX_WideStringC& str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-inline CFX_WideString operator + (const CFX_WideStringC& str1, FX_LPCWSTR str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-inline CFX_WideString operator + (FX_LPCWSTR str1, const CFX_WideStringC& str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-inline CFX_WideString operator + (const CFX_WideStringC& str1, FX_WCHAR ch)\r
-{\r
- return CFX_WideString(str1, CFX_WideStringC(ch));\r
-}\r
-inline CFX_WideString operator + (FX_WCHAR ch, const CFX_WideStringC& str2)\r
-{\r
- return CFX_WideString(ch, str2);\r
-}\r
-inline CFX_WideString operator + (const CFX_WideString& str1, const CFX_WideString& str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-inline CFX_WideString operator + (const CFX_WideString& str1, FX_WCHAR ch)\r
-{\r
- return CFX_WideString(str1, CFX_WideStringC(ch));\r
-}\r
-inline CFX_WideString operator + (FX_WCHAR ch, const CFX_WideString& str2)\r
-{\r
- return CFX_WideString(ch, str2);\r
-}\r
-inline CFX_WideString operator + (const CFX_WideString& str1, FX_LPCWSTR str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-inline CFX_WideString operator + (FX_LPCWSTR str1, const CFX_WideString& str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-inline CFX_WideString operator + (const CFX_WideString& str1, const CFX_WideStringC& str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-inline CFX_WideString operator + (const CFX_WideStringC& str1, const CFX_WideString& str2)\r
-{\r
- return CFX_WideString(str1, str2);\r
-}\r
-\r
-bool operator==(const CFX_WideString& s1, const CFX_WideString& s2);\r
-bool operator==(const CFX_WideString& s1, const CFX_WideStringC& s2);\r
-bool operator==(const CFX_WideStringC& s1, const CFX_WideString& s2);\r
-bool operator== (const CFX_WideString& s1, FX_LPCWSTR s2);\r
-bool operator==(FX_LPCWSTR s1, const CFX_WideString& s2);\r
-bool operator!=(const CFX_WideString& s1, const CFX_WideString& s2);\r
-bool operator!=(const CFX_WideString& s1, const CFX_WideStringC& s2);\r
-bool operator!=(const CFX_WideStringC& s1, const CFX_WideString& s2);\r
-bool operator!= (const CFX_WideString& s1, FX_LPCWSTR s2);\r
-bool operator!=(FX_LPCWSTR s1, const CFX_WideString& s2);\r
-FX_FLOAT FX_atof(FX_BSTR str);\r
-void FX_atonum(FX_BSTR str, FX_BOOL& bInteger, void* pData);\r
-FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_LPSTR buf);\r
-CFX_ByteString FX_UTF8Encode(FX_LPCWSTR pwsStr, FX_STRSIZE len);\r
-inline CFX_ByteString FX_UTF8Encode(FX_WSTR wsStr)\r
-{\r
- return FX_UTF8Encode(wsStr.GetPtr(), wsStr.GetLength());\r
-}\r
-inline CFX_ByteString FX_UTF8Encode(const CFX_WideString &wsStr)\r
-{\r
- return FX_UTF8Encode((FX_LPCWSTR)wsStr, wsStr.GetLength());\r
-}\r
-class CFX_ByteStringL : public CFX_ByteStringC\r
-{\r
-public:\r
- CFX_ByteStringL() : CFX_ByteStringC() {}\r
- ~CFX_ByteStringL() {}\r
-\r
- void Empty(IFX_Allocator* pAllocator);\r
- FX_LPSTR AllocBuffer(FX_STRSIZE length, IFX_Allocator* pAllocator);\r
-\r
- void Set(FX_BSTR src, IFX_Allocator* pAllocator);\r
-};\r
-class CFX_WideStringL : public CFX_WideStringC\r
-{\r
-public:\r
- CFX_WideStringL() : CFX_WideStringC() {}\r
- ~CFX_WideStringL() {}\r
-\r
- void Empty(IFX_Allocator* pAllocator);\r
- void Set(FX_WSTR src, IFX_Allocator* pAllocator);\r
-\r
- int GetInteger() const;\r
- FX_FLOAT GetFloat() const;\r
-\r
- void TrimRight(FX_LPCWSTR lpszTargets);\r
-};\r
-void FX_UTF8Encode(FX_LPCWSTR pwsStr, FX_STRSIZE len, CFX_ByteStringL &utf8Str, IFX_Allocator* pAllocator = NULL);\r
-#endif\r
+// 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(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 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(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 raw 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 : ""; }
+
+ operator const uint8_t*() const {
+ return m_pData ? (const uint8_t*)m_pData->m_String : NULL;
+ }
+
+ 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;
+
+ 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, 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 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
+ 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();
+
+ FX_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;
+
+ 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, 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;
+}
+FX_FLOAT FX_atof(const CFX_ByteStringC& str);
+void FX_atonum(const CFX_ByteStringC& str, FX_BOOL& bInteger, void* pData);
+FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_CHAR* buf);
+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());
+}
+
+#endif // CORE_INCLUDE_FXCRT_FX_STRING_H_
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