diff options
| -rw-r--r-- | core/fxcrt/fx_basic_bstring.cpp | 712 | ||||
| -rw-r--r-- | core/fxcrt/fx_basic_bstring_unittest.cpp | 12 | ||||
| -rw-r--r-- | core/fxcrt/include/fx_string.h | 137 |
3 files changed, 391 insertions, 470 deletions
diff --git a/core/fxcrt/fx_basic_bstring.cpp b/core/fxcrt/fx_basic_bstring.cpp index ab9299694e..e54da84f7e 100644 --- a/core/fxcrt/fx_basic_bstring.cpp +++ b/core/fxcrt/fx_basic_bstring.cpp @@ -43,18 +43,16 @@ static int _Buffer_itoa(char* buf, int i, uint32_t flags) { } return len; } + CFX_ByteString CFX_ByteString::FormatInteger(int i, uint32_t flags) { char buf[32]; return CFX_ByteStringC(buf, _Buffer_itoa(buf, i, flags)); } // static -CFX_ByteString::StringData* CFX_ByteString::StringData::Create(int nLen) { - // |nLen| is currently declared as in |int|. TODO(palmer): It should be - // a |size_t|, or at least unsigned. - if (nLen == 0 || nLen < 0) { - return NULL; - } +CFX_ByteString::StringData* CFX_ByteString::StringData::Create( + FX_STRSIZE nLen) { + FXSYS_assert(nLen > 0); // Fixed portion of header plus a NUL char not included in m_nAllocLength. // sizeof(FX_CHAR) is always 1, used for consistency with CFX_Widestring. @@ -74,296 +72,301 @@ CFX_ByteString::StringData* CFX_ByteString::StringData::Create(int nLen) { void* pData = FX_Alloc(uint8_t, totalSize); return new (pData) StringData(nLen, usableSize); } -CFX_ByteString::~CFX_ByteString() { - if (m_pData) { - m_pData->Release(); - } + +CFX_ByteString::StringData* CFX_ByteString::StringData::Create( + const StringData& other) { + StringData* result = Create(other.m_nDataLength); + result->CopyContents(other); + return result; } -CFX_ByteString::CFX_ByteString(const FX_CHAR* lpsz, FX_STRSIZE nLen) { - if (nLen < 0) { - nLen = lpsz ? FXSYS_strlen(lpsz) : 0; - } - if (nLen) { - m_pData = StringData::Create(nLen); - if (m_pData) { - FXSYS_memcpy(m_pData->m_String, lpsz, nLen); - } - } else { - m_pData = NULL; - } + +CFX_ByteString::StringData* CFX_ByteString::StringData::Create( + const FX_CHAR* pStr, + FX_STRSIZE nLen) { + StringData* result = Create(nLen); + result->CopyContents(pStr, nLen); + return result; +} + +CFX_ByteString::StringData::StringData(FX_STRSIZE dataLen, FX_STRSIZE allocLen) + : m_nRefs(0), m_nDataLength(dataLen), m_nAllocLength(allocLen) { + FXSYS_assert(dataLen >= 0); + FXSYS_assert(dataLen <= allocLen); + m_String[dataLen] = 0; +} + +void CFX_ByteString::StringData::CopyContents(const StringData& other) { + FXSYS_assert(other.m_nDataLength <= m_nAllocLength); + FXSYS_memcpy(m_String, other.m_String, other.m_nDataLength + 1); +} + +void CFX_ByteString::StringData::CopyContents(const FX_CHAR* pStr, + FX_STRSIZE nLen) { + FXSYS_assert(nLen >= 0 && nLen <= m_nAllocLength); + FXSYS_memcpy(m_String, pStr, nLen); + m_String[nLen] = 0; } -CFX_ByteString::CFX_ByteString(const uint8_t* lpsz, FX_STRSIZE nLen) { + +void CFX_ByteString::StringData::CopyContentsAt(FX_STRSIZE offset, + const FX_CHAR* pStr, + FX_STRSIZE nLen) { + FXSYS_assert(offset >= 0 && nLen >= 0 && offset + nLen <= m_nAllocLength); + FXSYS_memcpy(m_String + offset, pStr, nLen); + m_String[offset + nLen] = 0; +} + +CFX_ByteString::CFX_ByteString(const FX_CHAR* pStr, FX_STRSIZE nLen) { + if (nLen < 0) + nLen = pStr ? FXSYS_strlen(pStr) : 0; + + if (nLen) + m_pData.Reset(StringData::Create(pStr, nLen)); +} + +CFX_ByteString::CFX_ByteString(const uint8_t* pStr, FX_STRSIZE nLen) { if (nLen > 0) { - m_pData = StringData::Create(nLen); - if (m_pData) { - FXSYS_memcpy(m_pData->m_String, lpsz, nLen); - } - } else { - m_pData = NULL; + m_pData.Reset( + StringData::Create(reinterpret_cast<const FX_CHAR*>(pStr), nLen)); } } + CFX_ByteString::CFX_ByteString(char ch) { - m_pData = StringData::Create(1); - if (m_pData) { - m_pData->m_String[0] = ch; - } -} -CFX_ByteString::CFX_ByteString(const CFX_ByteString& stringSrc) { - if (!stringSrc.m_pData) { - m_pData = NULL; - return; - } - if (stringSrc.m_pData->m_nRefs >= 0) { - m_pData = stringSrc.m_pData; - m_pData->Retain(); - } else { - m_pData = NULL; - *this = stringSrc; - } + m_pData.Reset(StringData::Create(1)); + m_pData->m_String[0] = ch; } + CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& stringSrc) { - if (stringSrc.IsEmpty()) { - m_pData = NULL; - return; + if (!stringSrc.IsEmpty()) { + m_pData.Reset( + StringData::Create(stringSrc.GetCStr(), stringSrc.GetLength())); } - m_pData = NULL; - *this = stringSrc; } + CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& str1, const CFX_ByteStringC& str2) { - m_pData = NULL; int nNewLen = str1.GetLength() + str2.GetLength(); - if (nNewLen == 0) { + if (nNewLen == 0) return; - } - m_pData = StringData::Create(nNewLen); - if (m_pData) { - FXSYS_memcpy(m_pData->m_String, str1.GetCStr(), str1.GetLength()); - FXSYS_memcpy(m_pData->m_String + str1.GetLength(), str2.GetCStr(), - str2.GetLength()); - } + + m_pData.Reset(StringData::Create(nNewLen)); + m_pData->CopyContents(str1.GetCStr(), str1.GetLength()); + m_pData->CopyContentsAt(str1.GetLength(), str2.GetCStr(), str2.GetLength()); } -const CFX_ByteString& CFX_ByteString::operator=(const FX_CHAR* lpsz) { - if (!lpsz || lpsz[0] == 0) { - Empty(); - } else { - AssignCopy(FXSYS_strlen(lpsz), lpsz); - } + +CFX_ByteString::~CFX_ByteString() {} + +const CFX_ByteString& CFX_ByteString::operator=(const FX_CHAR* pStr) { + if (!pStr || !pStr[0]) + clear(); + else + AssignCopy(pStr, FXSYS_strlen(pStr)); + return *this; } + const CFX_ByteString& CFX_ByteString::operator=(const CFX_ByteStringC& str) { - if (str.IsEmpty()) { - Empty(); - } else { - AssignCopy(str.GetLength(), str.GetCStr()); - } + if (str.IsEmpty()) + clear(); + else + AssignCopy(str.GetCStr(), str.GetLength()); + return *this; } + const CFX_ByteString& CFX_ByteString::operator=( const CFX_ByteString& stringSrc) { - if (m_pData == stringSrc.m_pData) { - return *this; - } - if (stringSrc.IsEmpty()) { - Empty(); - } else if ((m_pData && m_pData->m_nRefs < 0) || - (stringSrc.m_pData && stringSrc.m_pData->m_nRefs < 0)) { - AssignCopy(stringSrc.m_pData->m_nDataLength, stringSrc.m_pData->m_String); - } else { - Empty(); + if (m_pData != stringSrc.m_pData) m_pData = stringSrc.m_pData; - if (m_pData) { - m_pData->Retain(); - } - } + return *this; } + const CFX_ByteString& CFX_ByteString::operator=(const CFX_BinaryBuf& buf) { Load(buf.GetBuffer(), buf.GetSize()); return *this; } + void CFX_ByteString::Load(const uint8_t* buf, FX_STRSIZE len) { - Empty(); - if (len) { - m_pData = StringData::Create(len); - if (m_pData) { - FXSYS_memcpy(m_pData->m_String, buf, len); - } - } else { - m_pData = NULL; + if (!len) { + clear(); + return; } + + m_pData.Reset(StringData::Create(reinterpret_cast<const FX_CHAR*>(buf), len)); } -const CFX_ByteString& CFX_ByteString::operator+=(const FX_CHAR* lpsz) { - if (lpsz) { - ConcatInPlace(FXSYS_strlen(lpsz), lpsz); - } + +const CFX_ByteString& CFX_ByteString::operator+=(const FX_CHAR* pStr) { + if (pStr) + Concat(pStr, FXSYS_strlen(pStr)); + return *this; } + const CFX_ByteString& CFX_ByteString::operator+=(char ch) { - ConcatInPlace(1, &ch); + Concat(&ch, 1); return *this; } + const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteString& str) { - if (!str.m_pData) { - return *this; - } - ConcatInPlace(str.m_pData->m_nDataLength, str.m_pData->m_String); + if (str.m_pData) + Concat(str.m_pData->m_String, str.m_pData->m_nDataLength); + return *this; } + const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteStringC& str) { - if (str.IsEmpty()) { - return *this; - } - ConcatInPlace(str.GetLength(), str.GetCStr()); + if (!str.IsEmpty()) + Concat(str.GetCStr(), str.GetLength()); + return *this; } + bool CFX_ByteString::Equal(const char* ptr) const { - if (!m_pData) { + if (!m_pData) return !ptr || ptr[0] == '\0'; - } - if (!ptr) { + + if (!ptr) return m_pData->m_nDataLength == 0; - } + return FXSYS_strlen(ptr) == m_pData->m_nDataLength && FXSYS_memcmp(ptr, m_pData->m_String, m_pData->m_nDataLength) == 0; } + bool CFX_ByteString::Equal(const CFX_ByteStringC& str) const { - if (!m_pData) { + if (!m_pData) return str.IsEmpty(); - } + return m_pData->m_nDataLength == str.GetLength() && FXSYS_memcmp(m_pData->m_String, str.GetCStr(), str.GetLength()) == 0; } + bool CFX_ByteString::Equal(const CFX_ByteString& other) const { - if (IsEmpty()) { + if (IsEmpty()) return other.IsEmpty(); - } - if (other.IsEmpty()) { + + if (other.IsEmpty()) return false; - } + return other.m_pData->m_nDataLength == m_pData->m_nDataLength && FXSYS_memcmp(other.m_pData->m_String, m_pData->m_String, m_pData->m_nDataLength) == 0; } -void CFX_ByteString::Empty() { - if (m_pData) { - m_pData->Release(); - m_pData = NULL; - } -} + bool CFX_ByteString::EqualNoCase(const CFX_ByteStringC& str) const { - if (!m_pData) { + if (!m_pData) return str.IsEmpty(); - } + FX_STRSIZE len = str.GetLength(); - if (m_pData->m_nDataLength != len) { + if (m_pData->m_nDataLength != len) return false; - } + const uint8_t* pThis = (const uint8_t*)m_pData->m_String; const uint8_t* pThat = str.GetPtr(); for (FX_STRSIZE i = 0; i < len; i++) { if ((*pThis) != (*pThat)) { uint8_t bThis = *pThis; - if (bThis >= 'A' && bThis <= 'Z') { + if (bThis >= 'A' && bThis <= 'Z') bThis += 'a' - 'A'; - } + uint8_t bThat = *pThat; - if (bThat >= 'A' && bThat <= 'Z') { + if (bThat >= 'A' && bThat <= 'Z') bThat += 'a' - 'A'; - } - if (bThis != bThat) { + + if (bThis != bThat) return false; - } } pThis++; pThat++; } return true; } -void CFX_ByteString::AssignCopy(FX_STRSIZE nSrcLen, - const FX_CHAR* lpszSrcData) { + +void CFX_ByteString::AssignCopy(const FX_CHAR* pSrcData, FX_STRSIZE nSrcLen) { AllocBeforeWrite(nSrcLen); - FXSYS_memcpy(m_pData->m_String, lpszSrcData, nSrcLen); + m_pData->CopyContents(pSrcData, nSrcLen); m_pData->m_nDataLength = nSrcLen; - m_pData->m_String[nSrcLen] = 0; } + void CFX_ByteString::CopyBeforeWrite() { - if (!m_pData || m_pData->m_nRefs <= 1) { + if (!m_pData || m_pData->CanOperateInPlace(m_pData->m_nDataLength)) + return; + + if (!m_pData->m_nDataLength) { + clear(); return; } - StringData* pData = m_pData; - m_pData->Release(); - FX_STRSIZE nDataLength = pData->m_nDataLength; - m_pData = StringData::Create(nDataLength); - if (m_pData) { - FXSYS_memcpy(m_pData->m_String, pData->m_String, nDataLength + 1); - } + + CFX_RetainPtr<StringData> pData(StringData::Create(*m_pData)); + m_pData.Swap(pData); } + void CFX_ByteString::AllocBeforeWrite(FX_STRSIZE nLen) { - if (m_pData && m_pData->m_nRefs <= 1 && m_pData->m_nAllocLength >= nLen) { + if (m_pData && m_pData->CanOperateInPlace(nLen)) + return; + + if (!nLen) { + clear(); return; } - Empty(); - m_pData = StringData::Create(nLen); + + m_pData.Reset(StringData::Create(nLen)); } + void CFX_ByteString::ReleaseBuffer(FX_STRSIZE nNewLength) { - if (!m_pData) { + if (!m_pData) return; - } - CopyBeforeWrite(); - if (nNewLength == -1) { - nNewLength = FXSYS_strlen((const FX_CHAR*)m_pData->m_String); - } + + if (nNewLength == -1) + nNewLength = FXSYS_strlen(m_pData->m_String); + if (nNewLength == 0) { - Empty(); + clear(); return; } + FXSYS_assert(nNewLength <= m_pData->m_nAllocLength); + CopyBeforeWrite(); m_pData->m_nDataLength = nNewLength; m_pData->m_String[nNewLength] = 0; } + void CFX_ByteString::Reserve(FX_STRSIZE len) { GetBuffer(len); ReleaseBuffer(GetLength()); } + FX_CHAR* CFX_ByteString::GetBuffer(FX_STRSIZE nMinBufLength) { - if (!m_pData && nMinBufLength == 0) { - return NULL; - } - if (m_pData && m_pData->m_nRefs <= 1 && - m_pData->m_nAllocLength >= nMinBufLength) { - return m_pData->m_String; - } if (!m_pData) { - m_pData = StringData::Create(nMinBufLength); - if (!m_pData) { - return NULL; - } + if (nMinBufLength == 0) + return nullptr; + + m_pData.Reset(StringData::Create(nMinBufLength)); m_pData->m_nDataLength = 0; m_pData->m_String[0] = 0; return m_pData->m_String; } - StringData* pOldData = m_pData; - FX_STRSIZE nOldLen = pOldData->m_nDataLength; - if (nMinBufLength < nOldLen) { - nMinBufLength = nOldLen; - } - m_pData = StringData::Create(nMinBufLength); - if (!m_pData) { - return NULL; - } - FXSYS_memcpy(m_pData->m_String, pOldData->m_String, (nOldLen + 1)); - m_pData->m_nDataLength = nOldLen; - pOldData->Release(); + + if (m_pData->CanOperateInPlace(nMinBufLength)) + return m_pData->m_String; + + nMinBufLength = std::max(nMinBufLength, m_pData->m_nDataLength); + if (nMinBufLength == 0) + return nullptr; + + CFX_RetainPtr<StringData> pNewData(StringData::Create(nMinBufLength)); + pNewData->CopyContents(*m_pData); + pNewData->m_nDataLength = m_pData->m_nDataLength; + m_pData.Swap(pNewData); return m_pData->m_String; } + FX_STRSIZE CFX_ByteString::Delete(FX_STRSIZE nIndex, FX_STRSIZE nCount) { - if (!m_pData) { + if (!m_pData) return 0; - } - if (nIndex < 0) { + + if (nIndex < 0) nIndex = 0; - } + FX_STRSIZE nOldLength = m_pData->m_nDataLength; if (nCount > 0 && nIndex < nOldLength) { FX_STRSIZE mLength = nIndex + nCount; @@ -379,91 +382,66 @@ FX_STRSIZE CFX_ByteString::Delete(FX_STRSIZE nIndex, FX_STRSIZE nCount) { } return m_pData->m_nDataLength; } -void CFX_ByteString::ConcatInPlace(FX_STRSIZE nSrcLen, - const FX_CHAR* lpszSrcData) { - if (nSrcLen == 0 || !lpszSrcData) { + +void CFX_ByteString::Concat(const FX_CHAR* pSrcData, FX_STRSIZE nSrcLen) { + if (!pSrcData || nSrcLen <= 0) return; - } + if (!m_pData) { - m_pData = StringData::Create(nSrcLen); - if (!m_pData) { - return; - } - FXSYS_memcpy(m_pData->m_String, lpszSrcData, nSrcLen); + m_pData.Reset(StringData::Create(pSrcData, nSrcLen)); return; } - if (m_pData->m_nRefs > 1 || - m_pData->m_nDataLength + nSrcLen > m_pData->m_nAllocLength) { - ConcatCopy(m_pData->m_nDataLength, m_pData->m_String, nSrcLen, lpszSrcData); - } else { - FXSYS_memcpy(m_pData->m_String + m_pData->m_nDataLength, lpszSrcData, - nSrcLen); + + if (m_pData->CanOperateInPlace(m_pData->m_nDataLength + nSrcLen)) { + m_pData->CopyContentsAt(m_pData->m_nDataLength, pSrcData, nSrcLen); m_pData->m_nDataLength += nSrcLen; - m_pData->m_String[m_pData->m_nDataLength] = 0; - } -} -void CFX_ByteString::ConcatCopy(FX_STRSIZE nSrc1Len, - const FX_CHAR* lpszSrc1Data, - FX_STRSIZE nSrc2Len, - const FX_CHAR* lpszSrc2Data) { - int nNewLen = nSrc1Len + nSrc2Len; - if (nNewLen <= 0) { return; } - // Don't release until done copying, might be one of the arguments. - StringData* pOldData = m_pData; - m_pData = StringData::Create(nNewLen); - if (m_pData) { - memcpy(m_pData->m_String, lpszSrc1Data, nSrc1Len); - memcpy(m_pData->m_String + nSrc1Len, lpszSrc2Data, nSrc2Len); - } - pOldData->Release(); + + CFX_RetainPtr<StringData> pNewData( + StringData::Create(m_pData->m_nDataLength + nSrcLen)); + pNewData->CopyContents(*m_pData); + pNewData->CopyContentsAt(m_pData->m_nDataLength, pSrcData, nSrcLen); + m_pData.Swap(pNewData); } + CFX_ByteString CFX_ByteString::Mid(FX_STRSIZE nFirst) const { - if (!m_pData) { - return CFX_ByteString(); - } return Mid(nFirst, m_pData->m_nDataLength - nFirst); } + CFX_ByteString CFX_ByteString::Mid(FX_STRSIZE nFirst, FX_STRSIZE nCount) const { - if (nFirst < 0) { - nFirst = 0; - } - if (nCount < 0) { - nCount = 0; - } - if (nFirst + nCount > m_pData->m_nDataLength) { - nCount = m_pData->m_nDataLength - nFirst; - } - if (nFirst > m_pData->m_nDataLength) { - nCount = 0; - } - if (nFirst == 0 && nFirst + nCount == m_pData->m_nDataLength) { + if (!m_pData) + return CFX_ByteString(); + + nFirst = std::min(std::max(nFirst, 0), m_pData->m_nDataLength); + nCount = std::min(std::max(nCount, 0), m_pData->m_nDataLength - nFirst); + if (nCount == 0) + return CFX_ByteString(); + + if (nFirst == 0 && nFirst + nCount == m_pData->m_nDataLength) return *this; - } + CFX_ByteString dest; AllocCopy(dest, nCount, nFirst); return dest; } + void CFX_ByteString::AllocCopy(CFX_ByteString& dest, FX_STRSIZE nCopyLen, FX_STRSIZE nCopyIndex) const { - // |FX_STRSIZE| is currently typedef'd as in |int|. TODO(palmer): It - // should be a |size_t|, or at least unsigned. - if (nCopyLen == 0 || nCopyLen < 0) { + if (nCopyLen <= 0) return; - } - ASSERT(!dest.m_pData); - dest.m_pData = StringData::Create(nCopyLen); - if (dest.m_pData) { - FXSYS_memcpy(dest.m_pData->m_String, m_pData->m_String + nCopyIndex, - nCopyLen); - } + + CFX_RetainPtr<StringData> pNewData( + StringData::Create(m_pData->m_String + nCopyIndex, nCopyLen)); + dest.m_pData.Swap(pNewData); } + #define FORCE_ANSI 0x10000 #define FORCE_UNICODE 0x20000 #define FORCE_INT64 0x40000 -void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList) { + +void CFX_ByteString::FormatV(const FX_CHAR* pFormat, va_list argList) { va_list argListSave; #if defined(__ARMCC_VERSION) || \ (!defined(_MSC_VER) && (_FX_CPU_ == _FX_X64_ || _FX_CPU_ == _FX_IA64_ || \ @@ -474,71 +452,71 @@ void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList) { argListSave = argList; #endif int nMaxLen = 0; - for (const FX_CHAR* lpsz = lpszFormat; *lpsz != 0; lpsz++) { - if (*lpsz != '%' || *(lpsz = lpsz + 1) == '%') { - nMaxLen += FXSYS_strlen(lpsz); + for (const FX_CHAR* pStr = pFormat; *pStr != 0; pStr++) { + if (*pStr != '%' || *(pStr = pStr + 1) == '%') { + nMaxLen += FXSYS_strlen(pStr); continue; } int nItemLen = 0; int nWidth = 0; - for (; *lpsz != 0; lpsz++) { - if (*lpsz == '#') { + for (; *pStr != 0; pStr++) { + if (*pStr == '#') { nMaxLen += 2; - } else if (*lpsz == '*') { + } else if (*pStr == '*') { nWidth = va_arg(argList, int); - } else if (*lpsz != '-' && *lpsz != '+' && *lpsz != '0' && *lpsz != ' ') { + } else if (*pStr != '-' && *pStr != '+' && *pStr != '0' && *pStr != ' ') { break; } } if (nWidth == 0) { - nWidth = FXSYS_atoi(lpsz); - while (std::isdigit(*lpsz)) - lpsz++; + nWidth = FXSYS_atoi(pStr); + while (std::isdigit(*pStr)) + pStr++; } if (nWidth < 0 || nWidth > 128 * 1024) { - lpszFormat = "Bad width"; + pFormat = "Bad width"; nMaxLen = 10; break; } int nPrecision = 0; - if (*lpsz == '.') { - lpsz++; - if (*lpsz == '*') { + if (*pStr == '.') { + pStr++; + if (*pStr == '*') { nPrecision = va_arg(argList, int); - lpsz++; + pStr++; } else { - nPrecision = FXSYS_atoi(lpsz); - while (std::isdigit(*lpsz)) - lpsz++; + nPrecision = FXSYS_atoi(pStr); + while (std::isdigit(*pStr)) + pStr++; } } if (nPrecision < 0 || nPrecision > 128 * 1024) { - lpszFormat = "Bad precision"; + pFormat = "Bad precision"; nMaxLen = 14; break; } int nModifier = 0; - if (FXSYS_strncmp(lpsz, "I64", 3) == 0) { - lpsz += 3; + if (FXSYS_strncmp(pStr, "I64", 3) == 0) { + pStr += 3; nModifier = FORCE_INT64; } else { - switch (*lpsz) { + switch (*pStr) { case 'h': nModifier = FORCE_ANSI; - lpsz++; + pStr++; break; case 'l': nModifier = FORCE_UNICODE; - lpsz++; + pStr++; break; case 'F': case 'N': case 'L': - lpsz++; + pStr++; break; } } - switch (*lpsz | nModifier) { + switch (*pStr | nModifier) { case 'c': case 'C': nItemLen = 2; @@ -609,7 +587,7 @@ void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList) { nItemLen = nWidth; } } else { - switch (*lpsz) { + switch (*pStr) { case 'd': case 'i': case 'u': @@ -668,105 +646,94 @@ void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList) { GetBuffer(nMaxLen); if (m_pData) { memset(m_pData->m_String, 0, nMaxLen); - FXSYS_vsnprintf(m_pData->m_String, nMaxLen - 1, lpszFormat, argListSave); + FXSYS_vsnprintf(m_pData->m_String, nMaxLen - 1, pFormat, argListSave); ReleaseBuffer(); } va_end(argListSave); } -void CFX_ByteString::Format(const FX_CHAR* lpszFormat, ...) { + +void CFX_ByteString::Format(const FX_CHAR* pFormat, ...) { va_list argList; - va_start(argList, lpszFormat); - FormatV(lpszFormat, argList); + va_start(argList, pFormat); + FormatV(pFormat, argList); va_end(argList); } + FX_STRSIZE CFX_ByteString::Insert(FX_STRSIZE nIndex, FX_CHAR ch) { - CopyBeforeWrite(); - if (nIndex < 0) { - nIndex = 0; - } FX_STRSIZE nNewLength = m_pData ? m_pData->m_nDataLength : 0; - if (nIndex > nNewLength) { - nIndex = nNewLength; - } + nIndex = std::max(nIndex, 0); + nIndex = std::min(nIndex, nNewLength); nNewLength++; + + CopyBeforeWrite(); if (!m_pData || m_pData->m_nAllocLength < nNewLength) { - StringData* pOldData = m_pData; - const FX_CHAR* pstr = m_pData->m_String; - m_pData = StringData::Create(nNewLength); - if (!m_pData) { - return 0; - } - if (pOldData) { - FXSYS_memmove(m_pData->m_String, pstr, (pOldData->m_nDataLength + 1)); - pOldData->Release(); - } else { - m_pData->m_String[0] = 0; - } + CFX_RetainPtr<StringData> pNewData(StringData::Create(nNewLength)); + pNewData->CopyContents(*m_pData); + m_pData.Swap(pNewData); } + FXSYS_memmove(m_pData->m_String + nIndex + 1, m_pData->m_String + nIndex, - (nNewLength - nIndex)); + nNewLength - nIndex); m_pData->m_String[nIndex] = ch; m_pData->m_nDataLength = nNewLength; return nNewLength; } + CFX_ByteString CFX_ByteString::Right(FX_STRSIZE nCount) const { - if (!m_pData) { + if (!m_pData) return CFX_ByteString(); - } - if (nCount < 0) { - nCount = 0; - } - if (nCount >= m_pData->m_nDataLength) { + + nCount = std::max(nCount, 0); + if (nCount >= m_pData->m_nDataLength) return *this; - } + CFX_ByteString dest; AllocCopy(dest, nCount, m_pData->m_nDataLength - nCount); return dest; } + CFX_ByteString CFX_ByteString::Left(FX_STRSIZE nCount) const { - if (!m_pData) { + if (!m_pData) return CFX_ByteString(); - } - if (nCount < 0) { - nCount = 0; - } - if (nCount >= m_pData->m_nDataLength) { + + nCount = std::max(nCount, 0); + if (nCount >= m_pData->m_nDataLength) return *this; - } + CFX_ByteString dest; AllocCopy(dest, nCount, 0); return dest; } + FX_STRSIZE CFX_ByteString::Find(FX_CHAR ch, FX_STRSIZE nStart) const { - if (!m_pData) { + if (!m_pData) return -1; - } - FX_STRSIZE nLength = m_pData->m_nDataLength; - if (nStart >= nLength) { + + if (nStart >= m_pData->m_nDataLength) return -1; - } - const FX_CHAR* lpsz = FXSYS_strchr(m_pData->m_String + nStart, ch); - return lpsz ? (int)(lpsz - m_pData->m_String) : -1; + + const FX_CHAR* pStr = FXSYS_strchr(m_pData->m_String + nStart, ch); + return pStr ? (int)(pStr - m_pData->m_String) : -1; } + FX_STRSIZE CFX_ByteString::ReverseFind(FX_CHAR ch) const { - if (!m_pData) { + if (!m_pData) return -1; - } + FX_STRSIZE nLength = m_pData->m_nDataLength; - while (nLength) { - if (m_pData->m_String[nLength - 1] == ch) { - return nLength - 1; - } - nLength--; + while (nLength--) { + if (m_pData->m_String[nLength] == ch) + return nLength; } return -1; } + const FX_CHAR* FX_strstr(const FX_CHAR* str1, int len1, const FX_CHAR* str2, int len2) { if (len2 > len1 || len2 == 0) { - return NULL; + return nullptr; } const FX_CHAR* end_ptr = str1 + len1 - len2; while (str1 <= end_ptr) { @@ -782,42 +749,46 @@ const FX_CHAR* FX_strstr(const FX_CHAR* str1, } str1++; } - return NULL; + return nullptr; } -FX_STRSIZE CFX_ByteString::Find(const CFX_ByteStringC& lpszSub, + +FX_STRSIZE CFX_ByteString::Find(const CFX_ByteStringC& pSub, FX_STRSIZE nStart) const { - if (!m_pData) { + if (!m_pData) return -1; - } + FX_STRSIZE nLength = m_pData->m_nDataLength; - if (nStart > nLength) { + if (nStart > nLength) return -1; - } - const FX_CHAR* lpsz = + + const FX_CHAR* pStr = FX_strstr(m_pData->m_String + nStart, m_pData->m_nDataLength - nStart, - lpszSub.GetCStr(), lpszSub.GetLength()); - return lpsz ? (int)(lpsz - m_pData->m_String) : -1; + pSub.GetCStr(), pSub.GetLength()); + return pStr ? (int)(pStr - m_pData->m_String) : -1; } + void CFX_ByteString::MakeLower() { - if (!m_pData) { + if (!m_pData) return; - } + CopyBeforeWrite(); - if (GetLength() < 1) { + if (GetLength() < 1) return; - } + FXSYS_strlwr(m_pData->m_String); } + void CFX_ByteString::MakeUpper() { - if (!m_pData) { + if (!m_pData) return; - } + CopyBeforeWrite(); - if (GetLength() < 1) { + if (GetLength() < 1) return; - } + FXSYS_strupr(m_pData->m_String); } + FX_STRSIZE CFX_ByteString::Remove(FX_CHAR chRemove) { if (!m_pData) { return 0; @@ -841,57 +812,54 @@ FX_STRSIZE CFX_ByteString::Remove(FX_CHAR chRemove) { m_pData->m_nDataLength -= nCount; return nCount; } -FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& lpszOld, - const CFX_ByteStringC& lpszNew) { - if (!m_pData) { - return 0; - } - if (lpszOld.IsEmpty()) { + +FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& pOld, + const CFX_ByteStringC& pNew) { + if (!m_pData || pOld.IsEmpty()) return 0; - } - FX_STRSIZE nSourceLen = lpszOld.GetLength(); - FX_STRSIZE nReplacementLen = lpszNew.GetLength(); + + FX_STRSIZE nSourceLen = pOld.GetLength(); + FX_STRSIZE nReplacementLen = pNew.GetLength(); FX_STRSIZE nCount = 0; const FX_CHAR* pStart = m_pData->m_String; FX_CHAR* pEnd = m_pData->m_String + m_pData->m_nDataLength; while (1) { const FX_CHAR* pTarget = FX_strstr(pStart, (FX_STRSIZE)(pEnd - pStart), - lpszOld.GetCStr(), nSourceLen); - if (!pTarget) { + pOld.GetCStr(), nSourceLen); + if (!pTarget) break; - } + nCount++; pStart = pTarget + nSourceLen; } - if (nCount == 0) { + if (nCount == 0) return 0; - } + FX_STRSIZE nNewLength = m_pData->m_nDataLength + (nReplacementLen - nSourceLen) * nCount; + if (nNewLength == 0) { - Empty(); + clear(); return nCount; } - StringData* pNewData = StringData::Create(nNewLength); - if (!pNewData) { - return 0; - } + + CFX_RetainPtr<StringData> pNewData(StringData::Create(nNewLength)); pStart = m_pData->m_String; FX_CHAR* pDest = pNewData->m_String; for (FX_STRSIZE i = 0; i < nCount; i++) { const FX_CHAR* pTarget = FX_strstr(pStart, (FX_STRSIZE)(pEnd - pStart), - lpszOld.GetCStr(), nSourceLen); + pOld.GetCStr(), nSourceLen); FXSYS_memcpy(pDest, pStart, pTarget - pStart); pDest += pTarget - pStart; - FXSYS_memcpy(pDest, lpszNew.GetCStr(), lpszNew.GetLength()); - pDest += lpszNew.GetLength(); + FXSYS_memcpy(pDest, pNew.GetCStr(), pNew.GetLength()); + pDest += pNew.GetLength(); pStart = pTarget + nSourceLen; } FXSYS_memcpy(pDest, pStart, pEnd - pStart); - m_pData->Release(); - m_pData = pNewData; + m_pData.Swap(pNewData); return nCount; } + void CFX_ByteString::SetAt(FX_STRSIZE nIndex, FX_CHAR ch) { if (!m_pData) { return; @@ -901,6 +869,7 @@ void CFX_ByteString::SetAt(FX_STRSIZE nIndex, FX_CHAR ch) { CopyBeforeWrite(); m_pData->m_String[nIndex] = ch; } + CFX_WideString CFX_ByteString::UTF8Decode() const { CFX_UTF8Decoder decoder; for (FX_STRSIZE i = 0; i < GetLength(); i++) { @@ -944,8 +913,8 @@ int CFX_ByteString::Compare(const CFX_ByteStringC& str) const { } return 0; } -void CFX_ByteString::TrimRight(const CFX_ByteStringC& lpszTargets) { - if (!m_pData || lpszTargets.IsEmpty()) { +void CFX_ByteString::TrimRight(const CFX_ByteStringC& pTargets) { + if (!m_pData || pTargets.IsEmpty()) { return; } CopyBeforeWrite(); @@ -955,11 +924,11 @@ void CFX_ByteString::TrimRight(const CFX_ByteStringC& lpszTargets) { } while (pos) { FX_STRSIZE i = 0; - while (i < lpszTargets.GetLength() && - lpszTargets[i] != m_pData->m_String[pos - 1]) { + while (i < pTargets.GetLength() && + pTargets[i] != m_pData->m_String[pos - 1]) { i++; } - if (i == lpszTargets.GetLength()) { + if (i == pTargets.GetLength()) { break; } pos--; @@ -975,11 +944,11 @@ void CFX_ByteString::TrimRight(FX_CHAR chTarget) { void CFX_ByteString::TrimRight() { TrimRight("\x09\x0a\x0b\x0c\x0d\x20"); } -void CFX_ByteString::TrimLeft(const CFX_ByteStringC& lpszTargets) { +void CFX_ByteString::TrimLeft(const CFX_ByteStringC& pTargets) { if (!m_pData) { return; } - if (lpszTargets.IsEmpty()) { + if (pTargets.IsEmpty()) { return; } CopyBeforeWrite(); @@ -990,11 +959,10 @@ void CFX_ByteString::TrimLeft(const CFX_ByteStringC& lpszTargets) { FX_STRSIZE pos = 0; while (pos < len) { FX_STRSIZE i = 0; - while (i < lpszTargets.GetLength() && - lpszTargets[i] != m_pData->m_String[pos]) { + while (i < pTargets.GetLength() && pTargets[i] != m_pData->m_String[pos]) { i++; } - if (i == lpszTargets.GetLength()) { + if (i == pTargets.GetLength()) { break; } pos++; diff --git a/core/fxcrt/fx_basic_bstring_unittest.cpp b/core/fxcrt/fx_basic_bstring_unittest.cpp index 834a6e444d..6e360448c7 100644 --- a/core/fxcrt/fx_basic_bstring_unittest.cpp +++ b/core/fxcrt/fx_basic_bstring_unittest.cpp @@ -288,28 +288,28 @@ TEST(fxcrt, ByteStringCNull) { EXPECT_NE(null_string, non_null_string); } -TEST(fxcrt, ByteStringConcatInPlace) { +TEST(fxcrt, ByteStringConcat) { CFX_ByteString fred; - fred.ConcatInPlace(4, "FRED"); + fred.Concat("FRED", 4); EXPECT_EQ("FRED", fred); - fred.ConcatInPlace(2, "DY"); + fred.Concat("DY", 2); EXPECT_EQ("FREDDY", fred); fred.Delete(3, 3); EXPECT_EQ("FRE", fred); - fred.ConcatInPlace(1, "D"); + fred.Concat("D", 1); EXPECT_EQ("FRED", fred); CFX_ByteString copy = fred; - fred.ConcatInPlace(2, "DY"); + fred.Concat("DY", 2); EXPECT_EQ("FREDDY", fred); EXPECT_EQ("FRED", copy); // Test invalid arguments. copy = fred; - fred.ConcatInPlace(-6, "freddy"); + fred.Concat("freddy", -6); CFX_ByteString not_aliased("xxxxxx"); EXPECT_EQ("FREDDY", fred); EXPECT_EQ("xxxxxx", not_aliased); diff --git a/core/fxcrt/include/fx_string.h b/core/fxcrt/include/fx_string.h index 0aa34171c2..f73a1345b9 100644 --- a/core/fxcrt/include/fx_string.h +++ b/core/fxcrt/include/fx_string.h @@ -10,6 +10,7 @@ #include <stdint.h> // For intptr_t. #include <algorithm> +#include "core/fxcrt/include/cfx_retain_ptr.h" #include "core/fxcrt/include/fx_memory.h" #include "core/fxcrt/include/fx_system.h" @@ -92,11 +93,9 @@ class CFX_ByteStringC { uint32_t 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]; } @@ -144,16 +143,9 @@ 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() {} + CFX_ByteString(const CFX_ByteString& other) : m_pData(other.m_pData) {} + CFX_ByteString(CFX_ByteString&& other) { m_pData.Swap(other.m_pData); } CFX_ByteString(char ch); CFX_ByteString(const FX_CHAR* ptr) @@ -167,8 +159,11 @@ class CFX_ByteString { ~CFX_ByteString(); - static CFX_ByteString FromUnicode(const FX_WCHAR* ptr, FX_STRSIZE len = -1); + // Deprecated -- use clear(). + void Empty() { m_pData.Reset(); } + 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. @@ -190,7 +185,6 @@ class CFX_ByteString { } FX_STRSIZE GetLength() const { return m_pData ? m_pData->m_nDataLength : 0; } - bool IsEmpty() const { return !GetLength(); } int Compare(const CFX_ByteStringC& str) const; @@ -217,24 +211,16 @@ class CFX_ByteString { 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 { @@ -246,49 +232,34 @@ class CFX_ByteString { } 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, @@ -308,52 +279,62 @@ class CFX_ByteString { 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); + static StringData* Create(FX_STRSIZE nLen); + static StringData* Create(const StringData& other); + static StringData* Create(const FX_CHAR* pStr, FX_STRSIZE nLen); + void Retain() { ++m_nRefs; } void Release() { if (--m_nRefs <= 0) FX_Free(this); } + bool CanOperateInPlace(FX_STRSIZE nTotalLen) const { + return m_nRefs <= 1 && nTotalLen <= m_nAllocLength; + } + + void CopyContents(const StringData& other); + void CopyContents(const FX_CHAR* pStr, FX_STRSIZE nLen); + void CopyContentsAt(FX_STRSIZE offset, + const FX_CHAR* pStr, + FX_STRSIZE nLen); + + // 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. intptr_t m_nRefs; // Would prefer ssize_t, but no windows support. + + // |FX_STRSIZE| is currently typedef'd as |int|. + // TODO(palmer): It should be a |size_t|, or at least unsigned. + // These lengths do not include the terminating NUL, but the underlying + // buffer is sized to be capable of holding it. FX_STRSIZE m_nDataLength; FX_STRSIZE m_nAllocLength; + + // Not really 1, variable size. 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(FX_STRSIZE dataLen, FX_STRSIZE allocLen); ~StringData() = delete; }; + void CopyBeforeWrite(); + void AllocBeforeWrite(FX_STRSIZE nLen); 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); + void AssignCopy(const FX_CHAR* pSrcData, FX_STRSIZE nSrcLen); + void Concat(const FX_CHAR* lpszSrcData, FX_STRSIZE nSrcLen); - StringData* m_pData; - friend class fxcrt_ByteStringConcatInPlace_Test; + CFX_RetainPtr<StringData> m_pData; + friend class fxcrt_ByteStringConcat_Test; }; + inline CFX_ByteStringC::CFX_ByteStringC(const CFX_ByteString& src) { m_Ptr = (const uint8_t*)src; m_Length = src.GetLength(); @@ -421,6 +402,7 @@ 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; @@ -478,7 +460,6 @@ class CFX_WideStringC { 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]; } @@ -530,6 +511,7 @@ class CFX_WideStringC { private: void* operator new(size_t) throw() { return NULL; } }; + inline bool operator==(const wchar_t* lhs, const CFX_WideStringC& rhs) { return rhs == lhs; } @@ -550,7 +532,7 @@ class CFX_WideString { CFX_WideString(const CFX_WideString& str); // Move constructor. - inline CFX_WideString(CFX_WideString&& other) { + CFX_WideString(CFX_WideString&& other) { m_pData = other.m_pData; other.m_pData = nullptr; } @@ -559,22 +541,18 @@ class CFX_WideString { : 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 CFX_ByteString& str); - static CFX_WideString FromCodePage(const CFX_ByteString& str, uint16_t codepage); 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); @@ -588,21 +566,15 @@ class CFX_WideString { void Empty(); 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); } @@ -632,9 +604,7 @@ class CFX_WideString { 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; @@ -642,57 +612,40 @@ class CFX_WideString { 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; protected: |