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-rw-r--r--core/fxcrt/fx_basic_bstring.cpp712
1 files changed, 340 insertions, 372 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++;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 08:16:24 +0000