| // 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 "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; |
| |
| // 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; |
| } |
| |
| // Deliberately implicit to avoid calling on every string literal. |
| CFX_ByteStringC(const FX_CHAR* ptr) { |
| m_Ptr = (const uint8_t*)ptr; |
| m_Length = ptr ? FXSYS_strlen(ptr) : 0; |
| } |
| |
| // Deliberately implicit to avoid calling on every string literal. |
| // |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. |
| 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& 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; |
| } |
| |
| 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); |
| } |
| |
| uint32_t GetID(FX_STRSIZE start_pos = 0) const; |
| |
| const uint8_t* raw_str() const { return m_Ptr; } |
| const FX_CHAR* c_str() const { |
| return reinterpret_cast<const FX_CHAR*>(m_Ptr); |
| } |
| |
| FX_STRSIZE GetLength() const { return m_Length; } |
| bool IsEmpty() const { return m_Length == 0; } |
| |
| uint8_t GetAt(FX_STRSIZE index) const { return m_Ptr[index]; } |
| |
| CFX_ByteStringC Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const { |
| if (index < 0) { |
| index = 0; |
| } |
| if (index > m_Length) { |
| return CFX_ByteStringC(); |
| } |
| if (count < 0 || count > m_Length - index) { |
| count = m_Length - index; |
| } |
| return CFX_ByteStringC(m_Ptr + index, count); |
| } |
| |
| const uint8_t& operator[](size_t index) const { return m_Ptr[index]; } |
| |
| bool operator<(const CFX_ByteStringC& that) const { |
| int result = memcmp(m_Ptr, that.m_Ptr, std::min(m_Length, that.m_Length)); |
| return result < 0 || (result == 0 && m_Length < that.m_Length); |
| } |
| |
| protected: |
| const uint8_t* m_Ptr; |
| FX_STRSIZE m_Length; |
| |
| private: |
| void* operator new(size_t) throw() { return NULL; } |
| }; |
| inline bool operator==(const char* lhs, const CFX_ByteStringC& rhs) { |
| return rhs == lhs; |
| } |
| inline bool operator!=(const char* lhs, const CFX_ByteStringC& rhs) { |
| return rhs != lhs; |
| } |
| #define FXBSTR_ID(c1, c2, c3, c4) \ |
| (((uint32_t)c1 << 24) | ((uint32_t)c2 << 16) | ((uint32_t)c3 << 8) | \ |
| ((uint32_t)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() {} |
| CFX_ByteString(const CFX_ByteString& other) : m_pData(other.m_pData) {} |
| CFX_ByteString(CFX_ByteString&& other) { m_pData.Swap(other.m_pData); } |
| |
| // Deliberately implicit to avoid calling on every string literal. |
| 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); |
| |
| // TODO(tsepez): mark constructor as 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 { |
| int result = FXSYS_memcmp(c_str(), str.c_str(), |
| std::min(GetLength(), str.GetLength())); |
| return result < 0 || (result == 0 && GetLength() < str.GetLength()); |
| } |
| |
| 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; |
| }; |
| |
| 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()); |
| } |
| |
| class CFX_WideStringC { |
| public: |
| typedef FX_WCHAR value_type; |
| |
| CFX_WideStringC() { |
| m_Ptr = NULL; |
| m_Length = 0; |
| } |
| |
| // Deliberately implicit to avoid calling on every string literal. |
| CFX_WideStringC(const FX_WCHAR* ptr) { |
| m_Ptr = ptr; |
| m_Length = ptr ? FXSYS_wcslen(ptr) : 0; |
| } |
| |
| // Deliberately implicit to avoid calling on every string literal. |
| // |ch| must be an lvalue that outlives the the CFX_WideStringC. However, |
| // the use of char rvalues are not caught at compile time. They are |
| // implicitly promoted to CFX_WideString (see below) and then the |
| // CFX_WideStringC is constructed from the CFX_WideString via the alternate |
| // constructor below. The CFX_WideString then typically goes out of scope |
| // and |m_Ptr| may be left pointing to invalid memory. Beware. |
| 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& 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; |
| } |
| |
| 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* c_str() 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() {} |
| CFX_WideString(const CFX_WideString& other) : m_pData(other.m_pData) {} |
| CFX_WideString(CFX_WideString&& other) { m_pData.Swap(other.m_pData); } |
| |
| // Deliberately implicit to avoid calling on every string literal. |
| CFX_WideString(FX_WCHAR ch); |
| CFX_WideString(const FX_WCHAR* ptr) |
| : CFX_WideString(ptr, ptr ? FXSYS_wcslen(ptr) : 0) {} |
| |
| CFX_WideString(const FX_WCHAR* ptr, FX_STRSIZE len); |
| |
| // TODO(tsepez): mark constructor as 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 { |
| 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; |
| |
| |
| 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; |
| }; |
| |
| 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()); |
| } |
| void FX_atonum(const CFX_ByteStringC& str, FX_BOOL& bInteger, void* pData); |
| FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_CHAR* buf); |
| |
| #endif // CORE_FXCRT_INCLUDE_FX_STRING_H_ |