// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_INCLUDE_FXCRT_FX_STRING_H_
#define CORE_INCLUDE_FXCRT_FX_STRING_H_
#include <stdint.h> // For intptr_t.
#include <algorithm>
#include "fx_memory.h"
#include "fx_system.h"
class CFX_BinaryBuf;
class CFX_ByteString;
class CFX_WideString;
struct CFX_CharMap;
// An immutable string with caller-provided storage which must outlive the
// string itself.
class CFX_ByteStringC
{
public:
typedef FX_CHAR value_type;
CFX_ByteStringC()
{
m_Ptr = NULL;
m_Length = 0;
}
CFX_ByteStringC(FX_LPCBYTE ptr, FX_STRSIZE size)
{
m_Ptr = ptr;
m_Length = size;
}
CFX_ByteStringC(FX_LPCSTR ptr)
{
m_Ptr = (FX_LPCBYTE)ptr;
m_Length = ptr ? FXSYS_strlen(ptr) : 0;
}
// |ch| must be an lvalue that outlives the the CFX_ByteStringC. However,
// the use of char rvalues are not caught at compile time. They are
// implicitly promoted to CFX_ByteString (see below) and then the
// CFX_ByteStringC is constructed from the CFX_ByteString via the alternate
// constructor below. The CFX_ByteString then typically goes out of scope
// and |m_Ptr| may be left pointing to invalid memory. Beware.
// TODO(tsepez): Mark single-argument string constructors as explicit.
CFX_ByteStringC(FX_CHAR& ch)
{
m_Ptr = (FX_LPCBYTE)&ch;
m_Length = 1;
}
CFX_ByteStringC(FX_LPCSTR ptr, FX_STRSIZE len)
{
m_Ptr = (FX_LPCBYTE)ptr;
m_Length = (len == -1) ? FXSYS_strlen(ptr) : len;
}
CFX_ByteStringC(const CFX_ByteStringC& src)
{
m_Ptr = src.m_Ptr;
m_Length = src.m_Length;
}
CFX_ByteStringC(const CFX_ByteString& src);
CFX_ByteStringC& operator = (FX_LPCSTR src)
{
m_Ptr = (FX_LPCBYTE)src;
m_Length = m_Ptr ? FXSYS_strlen(src) : 0;
return *this;
}
CFX_ByteStringC& operator = (const CFX_ByteStringC& src)
{
m_Ptr = src.m_Ptr;
m_Length = src.m_Length;
return *this;
}
CFX_ByteStringC& operator = (const CFX_ByteString& src);
bool operator== (const char* ptr) const {
return FXSYS_strlen(ptr) == m_Length &&
FXSYS_memcmp32(ptr, m_Ptr, m_Length) == 0;
}
bool operator== (const CFX_ByteStringC& other) const {
return other.m_Length == m_Length &&
FXSYS_memcmp32(other.m_Ptr, m_Ptr, m_Length) == 0;
}
bool operator!= (const char* ptr) const { return !(*this == ptr); }
bool operator!= (const CFX_ByteStringC& other) const {
return !(*this == other);
}
FX_DWORD GetID(FX_STRSIZE start_pos = 0) const;
FX_LPCBYTE GetPtr() const
{
return m_Ptr;
}
FX_LPCSTR GetCStr() const
{
return (FX_LPCSTR)m_Ptr;
}
FX_STRSIZE GetLength() const
{
return m_Length;
}
bool IsEmpty() const
{
return m_Length == 0;
}
FX_BYTE GetAt(FX_STRSIZE index) const
{
return m_Ptr[index];
}
CFX_ByteStringC Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const
{
if (index < 0) {
index = 0;
}
if (index > m_Length) {
return CFX_ByteStringC();
}
if (count < 0 || count > m_Length - index) {
count = m_Length - index;
}
return CFX_ByteStringC(m_Ptr + index, count);
}
const FX_BYTE& operator[] (size_t index) const
{
return m_Ptr[index];
}
bool operator< (const CFX_ByteStringC& that) const
{
int result = memcmp(m_Ptr, that.m_Ptr, std::min(m_Length, that.m_Length));
return result < 0 || (result == 0 && m_Length < that.m_Length);
}
protected:
FX_LPCBYTE m_Ptr;
FX_STRSIZE m_Length;
private:
void* operator new (size_t) throw()
{
return NULL;
}
};
inline bool operator== (const char* lhs, const CFX_ByteStringC& rhs) {
return rhs == lhs;
}
inline bool operator!= (const char* lhs, const CFX_ByteStringC& rhs) {
return rhs != lhs;
}
typedef const CFX_ByteStringC& FX_BSTR;
#define FX_BSTRC(str) CFX_ByteStringC(str, sizeof str-1)
#define FXBSTR_ID(c1, c2, c3, c4) ((c1 << 24) | (c2 << 16) | (c3 << 8) | (c4))
// A mutable string with shared buffers using copy-on-write semantics that
// avoids the cost of std::string's iterator stability guarantees.
class CFX_ByteString
{
public:
typedef FX_CHAR value_type;
CFX_ByteString()
{
m_pData = NULL;
}
CFX_ByteString(const CFX_ByteString& str);
CFX_ByteString(char ch);
CFX_ByteString(FX_LPCSTR ptr)
: CFX_ByteString(ptr, ptr ? FXSYS_strlen(ptr) : 0) { }
CFX_ByteString(FX_LPCSTR ptr, FX_STRSIZE len);
CFX_ByteString(FX_LPCBYTE ptr, FX_STRSIZE len);
CFX_ByteString(FX_BSTR bstrc);
CFX_ByteString(FX_BSTR bstrc1, FX_BSTR bstrc2);
~CFX_ByteString();
static CFX_ByteString FromUnicode(FX_LPCWSTR ptr, FX_STRSIZE len = -1);
static CFX_ByteString FromUnicode(const CFX_WideString& str);
// Explicit conversion to raw string
FX_LPCSTR c_str() const
{
return m_pData ? m_pData->m_String : "";
}
// Implicit conversion to C-style string -- deprecated
operator FX_LPCSTR() const
{
return m_pData ? m_pData->m_String : "";
}
operator FX_LPCBYTE() const
{
return m_pData ? (FX_LPCBYTE)m_pData->m_String : NULL;
}
FX_STRSIZE GetLength() const
{
return m_pData ? m_pData->m_nDataLength : 0;
}
bool IsEmpty() const
{
return !GetLength();
}
int Compare(FX_BSTR str) const;
bool Equal(const char* ptr) const;
bool Equal(const CFX_ByteStringC& str) const;
bool Equal(const CFX_ByteString& other) const;
bool EqualNoCase(FX_BSTR str) const;
bool operator== (const char* ptr) const { return Equal(ptr); }
bool operator== (const CFX_ByteStringC& str) const { return Equal(str); }
bool operator== (const CFX_ByteString& other) const { return Equal(other); }
bool operator!= (const char* ptr) const { return !(*this == ptr); }
bool operator!= (const CFX_ByteStringC& str) const {
return !(*this == str);
}
bool operator!= (const CFX_ByteString& other) const {
return !(*this == other);
}
bool operator< (const CFX_ByteString& str) const
{
int result = FXSYS_memcmp32(c_str(), str.c_str(), std::min(GetLength(), str.GetLength()));
return result < 0 || (result == 0 && GetLength() < str.GetLength());
}
void Empty();
const CFX_ByteString& operator = (FX_LPCSTR str);
const CFX_ByteString& operator = (FX_BSTR bstrc);
const CFX_ByteString& operator = (const CFX_ByteString& stringSrc);
const CFX_ByteString& operator = (const CFX_BinaryBuf& buf);
void Load(FX_LPCBYTE str, FX_STRSIZE len);
const CFX_ByteString& operator += (FX_CHAR ch);
const CFX_ByteString& operator += (FX_LPCSTR str);
const CFX_ByteString& operator += (const CFX_ByteString& str);
const CFX_ByteString& operator += (FX_BSTR bstrc);
FX_BYTE GetAt(FX_STRSIZE nIndex) const
{
return m_pData ? m_pData->m_String[nIndex] : 0;
}
FX_BYTE operator[](FX_STRSIZE nIndex) const
{
return m_pData ? m_pData->m_String[nIndex] : 0;
}
void SetAt(FX_STRSIZE nIndex, FX_CHAR ch);
FX_STRSIZE Insert(FX_STRSIZE index, FX_CHAR ch);
FX_STRSIZE Delete(FX_STRSIZE index, FX_STRSIZE count = 1);
void Format(FX_LPCSTR lpszFormat, ... );
void FormatV(FX_LPCSTR lpszFormat, va_list argList);
void Reserve(FX_STRSIZE len);
FX_LPSTR GetBuffer(FX_STRSIZE len);
void ReleaseBuffer(FX_STRSIZE len = -1);
CFX_ByteString Mid(FX_STRSIZE first) const;
CFX_ByteString Mid(FX_STRSIZE first, FX_STRSIZE count) const;
CFX_ByteString Left(FX_STRSIZE count) const;
CFX_ByteString Right(FX_STRSIZE count) const;
FX_STRSIZE Find(FX_BSTR lpszSub, FX_STRSIZE start = 0) const;
FX_STRSIZE Find(FX_CHAR ch, FX_STRSIZE start = 0) const;
FX_STRSIZE ReverseFind(FX_CHAR ch) const;
void MakeLower();
void MakeUpper();
void TrimRight();
void TrimRight(FX_CHAR chTarget);
void TrimRight(FX_BSTR lpszTargets);
void TrimLeft();
void TrimLeft(FX_CHAR chTarget);
void TrimLeft(FX_BSTR lpszTargets);
FX_STRSIZE Replace(FX_BSTR lpszOld, FX_BSTR lpszNew);
FX_STRSIZE Remove(FX_CHAR ch);
CFX_WideString UTF8Decode() const;
void ConvertFrom(const CFX_WideString& str, CFX_CharMap* pCharMap = NULL);
FX_DWORD GetID(FX_STRSIZE start_pos = 0) const;
#define FXFORMAT_SIGNED 1
#define FXFORMAT_HEX 2
#define FXFORMAT_CAPITAL 4
static CFX_ByteString FormatInteger(int i, FX_DWORD flags = 0);
static CFX_ByteString FormatFloat(FX_FLOAT f, int precision = 0);
protected:
// To ensure ref counts do not overflow, consider the worst possible case:
// the entire address space contains nothing but pointers to this object.
// Since the count increments with each new pointer, the largest value is
// the number of pointers that can fit into the address space. The size of
// the address space itself is a good upper bound on it; we need not go
// larger.
class StringData {
public:
static StringData* Create(int nLen);
void Retain() { ++m_nRefs; }
void Release() { if (--m_nRefs <= 0) FX_Free(this); }
intptr_t m_nRefs; // Would prefer ssize_t, but no windows support.
FX_STRSIZE m_nDataLength;
FX_STRSIZE m_nAllocLength;
FX_CHAR m_String[1];
private:
StringData(FX_STRSIZE dataLen, FX_STRSIZE allocLen)
: m_nRefs(1), m_nDataLength(dataLen), m_nAllocLength(allocLen) {
FXSYS_assert(dataLen >= 0);
FXSYS_assert(allocLen >= 0);
FXSYS_assert(dataLen <= allocLen);
m_String[dataLen] = 0;
}
~StringData() = delete;
};
void AllocCopy(CFX_ByteString& dest, FX_STRSIZE nCopyLen, FX_STRSIZE nCopyIndex) const;
void AssignCopy(FX_STRSIZE nSrcLen, FX_LPCSTR lpszSrcData);
void ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCSTR lpszSrc2Data);
void ConcatInPlace(FX_STRSIZE nSrcLen, FX_LPCSTR lpszSrcData);
void CopyBeforeWrite();
void AllocBeforeWrite(FX_STRSIZE nLen);
StringData* m_pData;
friend class fxcrt_ByteStringConcatInPlace_Test;
};
inline CFX_ByteStringC::CFX_ByteStringC(const CFX_ByteString& src)
{
m_Ptr = (FX_LPCBYTE)src;
m_Length = src.GetLength();
}
inline CFX_ByteStringC& CFX_ByteStringC::operator = (const CFX_ByteString& src)
{
m_Ptr = (FX_LPCBYTE)src;
m_Length = src.GetLength();
return *this;
}
inline bool operator== (const char* lhs, const CFX_ByteString& rhs) {
return rhs == lhs;
}
inline bool operator== (const CFX_ByteStringC& lhs, const CFX_ByteString& rhs) {
return rhs == lhs;
}
inline bool operator!= (const char* lhs, const CFX_ByteString& rhs) {
return rhs != lhs;
}
inline bool operator!= (const CFX_ByteStringC& lhs, const CFX_ByteString& rhs) {
return rhs != lhs;
}
inline CFX_ByteString operator + (FX_BSTR str1, FX_BSTR str2)
{
return CFX_ByteString(str1, str2);
}
inline CFX_ByteString operator + (FX_BSTR str1, FX_LPCSTR str2)
{
return CFX_ByteString(str1, str2);
}
inline CFX_ByteString operator + (FX_LPCSTR str1, FX_BSTR str2)
{
return CFX_ByteString(str1, str2);
}
inline CFX_ByteString operator + (FX_BSTR str1, FX_CHAR ch)
{
return CFX_ByteString(str1, CFX_ByteStringC(ch));
}
inline CFX_ByteString operator + (FX_CHAR ch, FX_BSTR str2)
{
return CFX_ByteString(ch, str2);
}
inline CFX_ByteString operator + (const CFX_ByteString& str1, const CFX_ByteString& str2)
{
return CFX_ByteString(str1, str2);
}
inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_CHAR ch)
{
return CFX_ByteString(str1, CFX_ByteStringC(ch));
}
inline CFX_ByteString operator + (FX_CHAR ch, const CFX_ByteString& str2)
{
return CFX_ByteString(ch, str2);
}
inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_LPCSTR str2)
{
return CFX_ByteString(str1, str2);
}
inline CFX_ByteString operator + (FX_LPCSTR str1, const CFX_ByteString& str2)
{
return CFX_ByteString(str1, str2);
}
inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_BSTR str2)
{
return CFX_ByteString(str1, str2);
}
inline CFX_ByteString operator + (FX_BSTR str1, const CFX_ByteString& str2)
{
return CFX_ByteString(str1, str2);
}
class CFX_WideStringC
{
public:
typedef FX_WCHAR value_type;
CFX_WideStringC()
{
m_Ptr = NULL;
m_Length = 0;
}
CFX_WideStringC(FX_LPCWSTR ptr)
{
m_Ptr = ptr;
m_Length = ptr ? FXSYS_wcslen(ptr) : 0;
}
CFX_WideStringC(FX_WCHAR& ch)
{
m_Ptr = &ch;
m_Length = 1;
}
CFX_WideStringC(FX_LPCWSTR ptr, FX_STRSIZE len)
{
m_Ptr = ptr;
m_Length = (len == -1) ? FXSYS_wcslen(ptr) : len;
}
CFX_WideStringC(const CFX_WideStringC& src)
{
m_Ptr = src.m_Ptr;
m_Length = src.m_Length;
}
CFX_WideStringC(const CFX_WideString& src);
CFX_WideStringC& operator = (FX_LPCWSTR src)
{
m_Ptr = src;
m_Length = FXSYS_wcslen(src);
return *this;
}
CFX_WideStringC& operator = (const CFX_WideStringC& src)
{
m_Ptr = src.m_Ptr;
m_Length = src.m_Length;
return *this;
}
CFX_WideStringC& operator = (const CFX_WideString& src);
bool operator== (const wchar_t* ptr) const {
return FXSYS_wcslen(ptr) == m_Length &&
wmemcmp(ptr, m_Ptr, m_Length) == 0;
}
bool operator== (const CFX_WideStringC& str) const {
return str.m_Length == m_Length &&
wmemcmp(str.m_Ptr, m_Ptr, m_Length) == 0;
}
bool operator!= (const wchar_t* ptr) const { return !(*this == ptr); }
bool operator!= (const CFX_WideStringC& str) const {
return !(*this == str);
}
FX_LPCWSTR GetPtr() const
{
return m_Ptr;
}
FX_STRSIZE GetLength() const
{
return m_Length;
}
bool IsEmpty() const
{
return m_Length == 0;
}
FX_WCHAR GetAt(FX_STRSIZE index) const
{
return m_Ptr[index];
}
CFX_WideStringC Left(FX_STRSIZE count) const
{
if (count < 1) {
return CFX_WideStringC();
}
if (count > m_Length) {
count = m_Length;
}
return CFX_WideStringC(m_Ptr, count);
}
CFX_WideStringC Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const
{
if (index < 0) {
index = 0;
}
if (index > m_Length) {
return CFX_WideStringC();
}
if (count < 0 || count > m_Length - index) {
count = m_Length - index;
}
return CFX_WideStringC(m_Ptr + index, count);
}
CFX_WideStringC Right(FX_STRSIZE count) const
{
if (count < 1) {
return CFX_WideStringC();
}
if (count > m_Length) {
count = m_Length;
}
return CFX_WideStringC(m_Ptr + m_Length - count, count);
}
const FX_WCHAR& operator[] (size_t index) const
{
return m_Ptr[index];
}
bool operator< (const CFX_WideStringC& that) const
{
int result = wmemcmp(m_Ptr, that.m_Ptr, std::min(m_Length, that.m_Length));
return result < 0 || (result == 0 && m_Length < that.m_Length);
}
protected:
FX_LPCWSTR m_Ptr;
FX_STRSIZE m_Length;
private:
void* operator new (size_t) throw()
{
return NULL;
}
};
inline bool operator== (const wchar_t* lhs, const CFX_WideStringC& rhs) {
return rhs == lhs;
}
inline bool operator!= (const wchar_t* lhs, const CFX_WideStringC& rhs) {
return rhs != lhs;
}
typedef const CFX_WideStringC& FX_WSTR;
#define FX_WSTRC(wstr) CFX_WideStringC(wstr, FX_ArraySize(wstr) - 1)
// A mutable string with shared buffers using copy-on-write semantics that
// avoids the cost of std::string's iterator stability guarantees.
class CFX_WideString
{
public:
typedef FX_WCHAR value_type;
CFX_WideString()
{
m_pData = NULL;
}
CFX_WideString(const CFX_WideString& str);
CFX_WideString(FX_LPCWSTR ptr)
: CFX_WideString(ptr, ptr ? FXSYS_wcslen(ptr) : 0) { }
CFX_WideString(FX_LPCWSTR ptr, FX_STRSIZE len);
CFX_WideString(FX_WCHAR ch);
CFX_WideString(const CFX_WideStringC& str);
CFX_WideString(const CFX_WideStringC& str1, const CFX_WideStringC& str2);
~CFX_WideString();
static CFX_WideString FromLocal(const char* str, FX_STRSIZE len = -1);
static CFX_WideString FromUTF8(const char* str, FX_STRSIZE len);
static CFX_WideString FromUTF16LE(const unsigned short* str, FX_STRSIZE len);
static FX_STRSIZE WStringLength(const unsigned short* str);
// Explicit conversion to raw string
FX_LPCWSTR c_str() const
{
return m_pData ? m_pData->m_String : L"";
}
// Implicit conversion to C-style wide string -- deprecated
operator FX_LPCWSTR() const
{
return m_pData ? m_pData->m_String : L"";
}
void Empty();
FX_BOOL IsEmpty() const
{
return !GetLength();
}
FX_STRSIZE GetLength() const
{
return m_pData ? m_pData->m_nDataLength : 0;
}
const CFX_WideString& operator = (FX_LPCWSTR str);
const CFX_WideString& operator =(const CFX_WideString& stringSrc);
const CFX_WideString& operator =(const CFX_WideStringC& stringSrc);
const CFX_WideString& operator += (FX_LPCWSTR str);
const CFX_WideString& operator += (FX_WCHAR ch);
const CFX_WideString& operator += (const CFX_WideString& str);
const CFX_WideString& operator += (const CFX_WideStringC& str);
bool operator== (const wchar_t* ptr) const { return Equal(ptr); }
bool operator== (const CFX_WideStringC& str) const { return Equal(str); }
bool operator== (const CFX_WideString& other) const { return Equal(other); }
bool operator!= (const wchar_t* ptr) const { return !(*this == ptr); }
bool operator!= (const CFX_WideStringC& str) const {
return !(*this == str);
}
bool operator!= (const CFX_WideString& other) const {
return !(*this == other);
}
bool operator< (const CFX_WideString& str) const {
int result = wmemcmp(c_str(), str.c_str(), std::min(GetLength(), str.GetLength()));
return result < 0 || (result == 0 && GetLength() < str.GetLength());
}
FX_WCHAR GetAt(FX_STRSIZE nIndex) const
{
return m_pData ? m_pData->m_String[nIndex] : 0;
}
FX_WCHAR operator[](FX_STRSIZE nIndex) const
{
return m_pData ? m_pData->m_String[nIndex] : 0;
}
void SetAt(FX_STRSIZE nIndex, FX_WCHAR ch);
int Compare(FX_LPCWSTR str) const;
int Compare(const CFX_WideString& str) const;
int CompareNoCase(FX_LPCWSTR str) const;
bool Equal(const wchar_t* ptr) const;
bool Equal(const CFX_WideStringC& str) const;
bool Equal(const CFX_WideString& other) const;
CFX_WideString Mid(FX_STRSIZE first) const;
CFX_WideString Mid(FX_STRSIZE first, FX_STRSIZE count) const;
CFX_WideString Left(FX_STRSIZE count) const;
CFX_WideString Right(FX_STRSIZE count) const;
FX_STRSIZE Insert(FX_STRSIZE index, FX_WCHAR ch);
FX_STRSIZE Delete(FX_STRSIZE index, FX_STRSIZE count = 1);
void Format(FX_LPCWSTR lpszFormat, ... );
void FormatV(FX_LPCWSTR lpszFormat, va_list argList);
void MakeLower();
void MakeUpper();
void TrimRight();
void TrimRight(FX_WCHAR chTarget);
void TrimRight(FX_LPCWSTR lpszTargets);
void TrimLeft();
void TrimLeft(FX_WCHAR chTarget);
void TrimLeft(FX_LPCWSTR lpszTargets);
void Reserve(FX_STRSIZE len);
FX_LPWSTR GetBuffer(FX_STRSIZE len);
void ReleaseBuffer(FX_STRSIZE len = -1);
int GetInteger() const;
FX_FLOAT GetFloat() const;
FX_STRSIZE Find(FX_LPCWSTR lpszSub, FX_STRSIZE start = 0) const;
FX_STRSIZE Find(FX_WCHAR ch, FX_STRSIZE start = 0) const;
FX_STRSIZE Replace(FX_LPCWSTR lpszOld, FX_LPCWSTR lpszNew);
FX_STRSIZE Remove(FX_WCHAR ch);
CFX_ByteString UTF8Encode() const;
CFX_ByteString UTF16LE_Encode() const;
void ConvertFrom(const CFX_ByteString& str, CFX_CharMap* pCharMap = NULL);
protected:
class StringData {
public:
static StringData* Create(int nLen);
void Retain() { ++m_nRefs; }
void Release() { if (--m_nRefs <= 0) FX_Free(this); }
intptr_t m_nRefs; // Would prefer ssize_t, but no windows support.
FX_STRSIZE m_nDataLength;
FX_STRSIZE m_nAllocLength;
FX_WCHAR m_String[1];
private:
StringData(FX_STRSIZE dataLen, FX_STRSIZE allocLen)
: m_nRefs(1), m_nDataLength(dataLen), m_nAllocLength(allocLen) {
FXSYS_assert(dataLen >= 0);
FXSYS_assert(allocLen >= 0);
FXSYS_assert(dataLen <= allocLen);
m_String[dataLen] = 0;
}
~StringData() = delete;
};
void CopyBeforeWrite();
void AllocBeforeWrite(FX_STRSIZE nLen);
void ConcatInPlace(FX_STRSIZE nSrcLen, FX_LPCWSTR lpszSrcData);
void ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCWSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCWSTR lpszSrc2Data);
void AssignCopy(FX_STRSIZE nSrcLen, FX_LPCWSTR lpszSrcData);
void AllocCopy(CFX_WideString& dest, FX_STRSIZE nCopyLen, FX_STRSIZE nCopyIndex) const;
StringData* m_pData;
friend class fxcrt_WideStringConcatInPlace_Test;
};
inline CFX_WideStringC::CFX_WideStringC(const CFX_WideString& src)
{
m_Ptr = src.c_str();
m_Length = src.GetLength();
}
inline CFX_WideStringC& CFX_WideStringC::operator = (const CFX_WideString& src)
{
m_Ptr = src.c_str();
m_Length = src.GetLength();
return *this;
}
inline CFX_WideString operator + (const CFX_WideStringC& str1, const CFX_WideStringC& str2)
{
return CFX_WideString(str1, str2);
}
inline CFX_WideString operator + (const CFX_WideStringC& str1, FX_LPCWSTR str2)
{
return CFX_WideString(str1, str2);
}
inline CFX_WideString operator + (FX_LPCWSTR str1, const CFX_WideStringC& str2)
{
return CFX_WideString(str1, str2);
}
inline CFX_WideString operator + (const CFX_WideStringC& str1, FX_WCHAR ch)
{
return CFX_WideString(str1, CFX_WideStringC(ch));
}
inline CFX_WideString operator + (FX_WCHAR ch, const CFX_WideStringC& str2)
{
return CFX_WideString(ch, str2);
}
inline CFX_WideString operator + (const CFX_WideString& str1, const CFX_WideString& str2)
{
return CFX_WideString(str1, str2);
}
inline CFX_WideString operator + (const CFX_WideString& str1, FX_WCHAR ch)
{
return CFX_WideString(str1, CFX_WideStringC(ch));
}
inline CFX_WideString operator + (FX_WCHAR ch, const CFX_WideString& str2)
{
return CFX_WideString(ch, str2);
}
inline CFX_WideString operator + (const CFX_WideString& str1, FX_LPCWSTR str2)
{
return CFX_WideString(str1, str2);
}
inline CFX_WideString operator + (FX_LPCWSTR str1, const CFX_WideString& str2)
{
return CFX_WideString(str1, str2);
}
inline CFX_WideString operator + (const CFX_WideString& str1, const CFX_WideStringC& str2)
{
return CFX_WideString(str1, str2);
}
inline CFX_WideString operator + (const CFX_WideStringC& str1, const CFX_WideString& str2)
{
return CFX_WideString(str1, str2);
}
inline bool operator== (const wchar_t* lhs, const CFX_WideString& rhs) {
return rhs == lhs;
}
inline bool operator== (const CFX_WideStringC& lhs, const CFX_WideString& rhs) {
return rhs == lhs;
}
inline bool operator!= (const wchar_t* lhs, const CFX_WideString& rhs) {
return rhs != lhs;
}
inline bool operator!= (const CFX_WideStringC& lhs, const CFX_WideString& rhs) {
return rhs != lhs;
}
FX_FLOAT FX_atof(FX_BSTR str);
void FX_atonum(FX_BSTR str, FX_BOOL& bInteger, void* pData);
FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_LPSTR buf);
CFX_ByteString FX_UTF8Encode(FX_LPCWSTR pwsStr, FX_STRSIZE len);
inline CFX_ByteString FX_UTF8Encode(FX_WSTR wsStr)
{
return FX_UTF8Encode(wsStr.GetPtr(), wsStr.GetLength());
}
inline CFX_ByteString FX_UTF8Encode(const CFX_WideString &wsStr)
{
return FX_UTF8Encode(wsStr.c_str(), wsStr.GetLength());
}
#endif // CORE_INCLUDE_FXCRT_FX_STRING_H_