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Diffstat (limited to 'core/fxcrt/cfx_bytestring.h')
| -rw-r--r-- | core/fxcrt/cfx_bytestring.h | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/core/fxcrt/cfx_bytestring.h b/core/fxcrt/cfx_bytestring.h deleted file mode 100644 index b976287617..0000000000 --- a/core/fxcrt/cfx_bytestring.h +++ /dev/null @@ -1,273 +0,0 @@ -// Copyright 2017 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_CFX_BYTESTRING_H_ -#define CORE_FXCRT_CFX_BYTESTRING_H_ - -#include <functional> -#include <iterator> -#include <sstream> -#include <utility> - -#include "core/fxcrt/cfx_retain_ptr.h" -#include "core/fxcrt/cfx_string_c_template.h" -#include "core/fxcrt/cfx_string_data_template.h" -#include "core/fxcrt/fx_system.h" -#include "third_party/base/optional.h" - -class CFX_WideString; - -// 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 = char; - using const_iterator = const CharType*; - using const_reverse_iterator = std::reverse_iterator<const_iterator>; - - CFX_ByteString(); - CFX_ByteString(const CFX_ByteString& other); - CFX_ByteString(CFX_ByteString&& other) noexcept; - - // Deliberately implicit to avoid calling on every string literal. - // NOLINTNEXTLINE(runtime/explicit) - CFX_ByteString(char ch); - // NOLINTNEXTLINE(runtime/explicit) - CFX_ByteString(const char* ptr); - - // No implicit conversions from wide strings. - // NOLINTNEXTLINE(runtime/explicit) - CFX_ByteString(wchar_t) = delete; - - CFX_ByteString(const 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(const std::initializer_list<CFX_ByteStringC>& list); - explicit CFX_ByteString(const std::ostringstream& outStream); - - ~CFX_ByteString(); - - void clear() { m_pData.Reset(); } - - 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 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()); - } - - // Note: Any subsequent modification of |this| will invalidate iterators. - const_iterator begin() const { return m_pData ? m_pData->m_String : nullptr; } - const_iterator end() const { - return m_pData ? m_pData->m_String + m_pData->m_nDataLength : nullptr; - } - - // Note: Any subsequent modification of |this| will invalidate iterators. - const_reverse_iterator rbegin() const { - return const_reverse_iterator(end()); - } - const_reverse_iterator rend() const { - return const_reverse_iterator(begin()); - } - - FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; } - FX_STRSIZE GetStringLength() const { - return m_pData ? FXSYS_strlen(m_pData->m_String) : 0; - } - bool IsEmpty() const { return !GetLength(); } - bool IsValidIndex(FX_STRSIZE index) const { return index < GetLength(); } - bool IsValidLength(FX_STRSIZE length) const { return length <= 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 char* str); - const CFX_ByteString& operator=(const CFX_ByteStringC& bstrc); - const CFX_ByteString& operator=(const CFX_ByteString& stringSrc); - - const CFX_ByteString& operator+=(char ch); - const CFX_ByteString& operator+=(const char* str); - const CFX_ByteString& operator+=(const CFX_ByteString& str); - const CFX_ByteString& operator+=(const CFX_ByteStringC& bstrc); - - CharType operator[](const FX_STRSIZE index) const { - ASSERT(IsValidIndex(index)); - return m_pData ? m_pData->m_String[index] : 0; - } - - CharType First() const { return GetLength() ? (*this)[0] : 0; } - CharType Last() const { return GetLength() ? (*this)[GetLength() - 1] : 0; } - - void SetAt(FX_STRSIZE index, char c); - - FX_STRSIZE Insert(FX_STRSIZE index, char ch); - FX_STRSIZE InsertAtFront(char ch) { return Insert(0, ch); } - FX_STRSIZE InsertAtBack(char ch) { return Insert(GetLength(), ch); } - FX_STRSIZE Delete(FX_STRSIZE index, FX_STRSIZE count = 1); - - void Format(const char* lpszFormat, ...); - void FormatV(const char* lpszFormat, va_list argList); - - void Reserve(FX_STRSIZE len); - char* GetBuffer(FX_STRSIZE len); - void ReleaseBuffer(FX_STRSIZE len); - - CFX_ByteString Mid(FX_STRSIZE first, FX_STRSIZE count) const; - CFX_ByteString Left(FX_STRSIZE count) const; - CFX_ByteString Right(FX_STRSIZE count) const; - - pdfium::Optional<FX_STRSIZE> Find(const CFX_ByteStringC& lpszSub, - FX_STRSIZE start = 0) const; - pdfium::Optional<FX_STRSIZE> Find(char ch, FX_STRSIZE start = 0) const; - pdfium::Optional<FX_STRSIZE> ReverseFind(char ch) const; - - bool Contains(const CFX_ByteStringC& lpszSub, FX_STRSIZE start = 0) const { - return Find(lpszSub, start).has_value(); - } - - bool Contains(char ch, FX_STRSIZE start = 0) const { - return Find(ch, start).has_value(); - } - - void MakeLower(); - void MakeUpper(); - - void TrimRight(); - void TrimRight(char chTarget); - void TrimRight(const CFX_ByteStringC& lpszTargets); - - void TrimLeft(); - void TrimLeft(char chTarget); - void TrimLeft(const CFX_ByteStringC& lpszTargets); - - FX_STRSIZE Replace(const CFX_ByteStringC& lpszOld, - const CFX_ByteStringC& lpszNew); - - FX_STRSIZE Remove(char ch); - - CFX_WideString UTF8Decode() const; - - uint32_t GetID() const { return AsStringC().GetID(); } - - static CFX_ByteString FormatInteger(int i); - static CFX_ByteString FormatFloat(float f, int precision = 0); - - protected: - using StringData = CFX_StringDataTemplate<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 char* pSrcData, FX_STRSIZE nSrcLen); - void Concat(const 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 char* str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const char* str1, const CFX_ByteStringC& str2) { - return CFX_ByteString(str1, str2); -} -inline CFX_ByteString operator+(const CFX_ByteStringC& str1, char ch) { - return CFX_ByteString(str1, CFX_ByteStringC(ch)); -} -inline CFX_ByteString operator+(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, char ch) { - return CFX_ByteString(str1.AsStringC(), CFX_ByteStringC(ch)); -} -inline CFX_ByteString operator+(char ch, const CFX_ByteString& str2) { - return CFX_ByteString(ch, str2.AsStringC()); -} -inline CFX_ByteString operator+(const CFX_ByteString& str1, const char* str2) { - return CFX_ByteString(str1.AsStringC(), str2); -} -inline CFX_ByteString operator+(const 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()); -} - -uint32_t FX_HashCode_GetA(const CFX_ByteStringC& str, bool bIgnoreCase); - -std::ostream& operator<<(std::ostream& os, const CFX_ByteString& str); -std::ostream& operator<<(std::ostream& os, const CFX_ByteStringC& str); - -namespace std { - -template <> -struct hash<CFX_ByteString> { - std::size_t operator()(const CFX_ByteString& str) const { - return FX_HashCode_GetA(str.AsStringC(), false); - } -}; - -} // namespace std - -extern template struct std::hash<CFX_ByteString>; - -#endif // CORE_FXCRT_CFX_BYTESTRING_H_ |