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Diffstat (limited to 'core/fxcrt/include/fx_string.h')
-rw-r--r-- | core/fxcrt/include/fx_string.h | 465 |
1 files changed, 0 insertions, 465 deletions
diff --git a/core/fxcrt/include/fx_string.h b/core/fxcrt/include/fx_string.h deleted file mode 100644 index 6e9af221ca..0000000000 --- a/core/fxcrt/include/fx_string.h +++ /dev/null @@ -1,465 +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_FXCRT_INCLUDE_FX_STRING_H_ -#define CORE_FXCRT_INCLUDE_FX_STRING_H_ - -#include <stdint.h> // For intptr_t. - -#include <algorithm> -#include <functional> - -#include "core/fxcrt/cfx_string_c_template.h" -#include "core/fxcrt/cfx_string_data_template.h" -#include "core/fxcrt/include/cfx_retain_ptr.h" -#include "core/fxcrt/include/fx_memory.h" -#include "core/fxcrt/include/fx_system.h" - -class CFX_ByteString; -class CFX_WideString; - -using CFX_ByteStringC = CFX_StringCTemplate<FX_CHAR>; -using CFX_WideStringC = CFX_StringCTemplate<FX_WCHAR>; - -#define FXBSTR_ID(c1, c2, c3, c4) \ - (((uint32_t)c1 << 24) | ((uint32_t)c2 << 16) | ((uint32_t)c3 << 8) | \ - ((uint32_t)c4)) - -#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_ByteString { - public: - using CharType = FX_CHAR; - - CFX_ByteString(); - CFX_ByteString(const CFX_ByteString& other); - CFX_ByteString(CFX_ByteString&& other); - - // Deliberately implicit to avoid calling on every string literal. - CFX_ByteString(char ch); - CFX_ByteString(const FX_CHAR* ptr); - - CFX_ByteString(const FX_CHAR* ptr, FX_STRSIZE len); - CFX_ByteString(const uint8_t* ptr, FX_STRSIZE len); - - explicit CFX_ByteString(const CFX_ByteStringC& bstrc); - CFX_ByteString(const CFX_ByteStringC& bstrc1, const CFX_ByteStringC& bstrc2); - - ~CFX_ByteString(); - - void clear() { m_pData.Reset(); } - - 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. - // Note: Any subsequent modification of |this| will invalidate the result. - const FX_CHAR* c_str() const { return m_pData ? m_pData->m_String : ""; } - - // Explicit conversion to uint8_t*. - // Note: Any subsequent modification of |this| will invalidate the result. - const uint8_t* raw_str() const { - return m_pData ? reinterpret_cast<const uint8_t*>(m_pData->m_String) - : nullptr; - } - - // Explicit conversion to CFX_ByteStringC. - // Note: Any subsequent modification of |this| will invalidate the result. - CFX_ByteStringC AsStringC() const { - return CFX_ByteStringC(raw_str(), GetLength()); - } - - 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 EqualNoCase(const CFX_ByteStringC& str) const; - - bool operator==(const char* ptr) const; - bool operator==(const CFX_ByteStringC& str) const; - bool operator==(const CFX_ByteString& other) const; - - 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; - - 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+=(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; - - uint32_t 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, uint32_t flags = 0); - static CFX_ByteString FormatFloat(FX_FLOAT f, int precision = 0); - - protected: - using StringData = CFX_StringDataTemplate<FX_CHAR>; - - void ReallocBeforeWrite(FX_STRSIZE nNewLen); - void AllocBeforeWrite(FX_STRSIZE nNewLen); - void AllocCopy(CFX_ByteString& dest, - FX_STRSIZE nCopyLen, - FX_STRSIZE nCopyIndex) const; - void AssignCopy(const FX_CHAR* pSrcData, FX_STRSIZE nSrcLen); - void Concat(const FX_CHAR* lpszSrcData, FX_STRSIZE nSrcLen); - - CFX_RetainPtr<StringData> m_pData; - - friend class fxcrt_ByteStringConcat_Test; - friend class fxcrt_ByteStringPool_Test; -}; - -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.AsStringC(), str2.AsStringC()); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, FX_CHAR ch) { - return CFX_ByteString(str1.AsStringC(), CFX_ByteStringC(ch)); -} -inline CFX_ByteString operator+(FX_CHAR ch, const CFX_ByteString& str2) { - return CFX_ByteString(ch, str2.AsStringC()); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, - const FX_CHAR* str2) { - return CFX_ByteString(str1.AsStringC(), str2); -} -inline CFX_ByteString operator+(const FX_CHAR* str1, - const CFX_ByteString& str2) { - return CFX_ByteString(str1, str2.AsStringC()); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, - const CFX_ByteStringC& str2) { - return CFX_ByteString(str1.AsStringC(), str2); -} -inline CFX_ByteString operator+(const CFX_ByteStringC& str1, - const CFX_ByteString& str2) { - return CFX_ByteString(str1, str2.AsStringC()); -} - -// 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: - using CharType = FX_WCHAR; - - CFX_WideString(); - CFX_WideString(const CFX_WideString& other); - CFX_WideString(CFX_WideString&& other); - - // Deliberately implicit to avoid calling on every string literal. - CFX_WideString(FX_WCHAR ch); - CFX_WideString(const FX_WCHAR* ptr); - - CFX_WideString(const FX_WCHAR* ptr, FX_STRSIZE len); - - explicit CFX_WideString(const CFX_WideStringC& str); - CFX_WideString(const CFX_WideStringC& str1, const CFX_WideStringC& str2); - - ~CFX_WideString(); - - static CFX_WideString FromLocal(const CFX_ByteStringC& str); - static CFX_WideString FromCodePage(const CFX_ByteStringC& str, - uint16_t codepage); - - static CFX_WideString FromUTF8(const CFX_ByteStringC& str); - 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. - // Note: Any subsequent modification of |this| will invalidate the result. - const FX_WCHAR* c_str() const { return m_pData ? m_pData->m_String : L""; } - - // Explicit conversion to CFX_WideStringC. - // Note: Any subsequent modification of |this| will invalidate the result. - CFX_WideStringC AsStringC() const { - return CFX_WideStringC(c_str(), GetLength()); - } - - void clear() { m_pData.Reset(); } - - FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; } - bool IsEmpty() const { return !GetLength(); } - - 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; - bool operator==(const CFX_WideStringC& str) const; - bool operator==(const CFX_WideString& other) const; - - 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; - - 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; - - - 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 CFX_WideStringC& pTargets); - - void TrimLeft(); - void TrimLeft(FX_WCHAR chTarget); - void TrimLeft(const CFX_WideStringC& pTargets); - - 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 CFX_WideStringC& pSub, FX_STRSIZE start = 0) const; - FX_STRSIZE Find(FX_WCHAR ch, FX_STRSIZE start = 0) const; - FX_STRSIZE Replace(const CFX_WideStringC& pOld, const CFX_WideStringC& pNew); - FX_STRSIZE Remove(FX_WCHAR ch); - - CFX_ByteString UTF8Encode() const; - CFX_ByteString UTF16LE_Encode() const; - - protected: - using StringData = CFX_StringDataTemplate<FX_WCHAR>; - - void ReallocBeforeWrite(FX_STRSIZE nLen); - void AllocBeforeWrite(FX_STRSIZE nLen); - void AllocCopy(CFX_WideString& dest, - FX_STRSIZE nCopyLen, - FX_STRSIZE nCopyIndex) const; - void AssignCopy(const FX_WCHAR* pSrcData, FX_STRSIZE nSrcLen); - void Concat(const FX_WCHAR* lpszSrcData, FX_STRSIZE nSrcLen); - - CFX_RetainPtr<StringData> m_pData; - - friend class fxcrt_WideStringConcatInPlace_Test; - friend class fxcrt_WideStringPool_Test; -}; - -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.AsStringC(), str2.AsStringC()); -} -inline CFX_WideString operator+(const CFX_WideString& str1, FX_WCHAR ch) { - return CFX_WideString(str1.AsStringC(), CFX_WideStringC(ch)); -} -inline CFX_WideString operator+(FX_WCHAR ch, const CFX_WideString& str2) { - return CFX_WideString(ch, str2.AsStringC()); -} -inline CFX_WideString operator+(const CFX_WideString& str1, - const FX_WCHAR* str2) { - return CFX_WideString(str1.AsStringC(), str2); -} -inline CFX_WideString operator+(const FX_WCHAR* str1, - const CFX_WideString& str2) { - return CFX_WideString(str1, str2.AsStringC()); -} -inline CFX_WideString operator+(const CFX_WideString& str1, - const CFX_WideStringC& str2) { - return CFX_WideString(str1.AsStringC(), str2); -} -inline CFX_WideString operator+(const CFX_WideStringC& str1, - const CFX_WideString& str2) { - return CFX_WideString(str1, str2.AsStringC()); -} -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.c_str(), 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.c_str(), wsStr.GetLength()).c_str()); -} -bool FX_atonum(const CFX_ByteStringC& str, void* pData); -FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_CHAR* buf); - -uint32_t FX_HashCode_GetA(const CFX_ByteStringC& str, bool bIgnoreCase); -uint32_t FX_HashCode_GetW(const CFX_WideStringC& str, bool bIgnoreCase); - -namespace std { - -template <> -struct hash<CFX_ByteString> { - std::size_t operator()(const CFX_ByteString& str) const { - return FX_HashCode_GetA(str.AsStringC(), false); - } -}; - -template <> -struct hash<CFX_WideString> { - std::size_t operator()(const CFX_WideString& str) const { - return FX_HashCode_GetW(str.AsStringC(), false); - } -}; - -} // namespace std - -extern template struct std::hash<CFX_ByteString>; -extern template struct std::hash<CFX_WideString>; - -#endif // CORE_FXCRT_INCLUDE_FX_STRING_H_ |