diff options
Diffstat (limited to 'core/fxcrt/fx_basic_bstring.cpp')
-rw-r--r-- | core/fxcrt/fx_basic_bstring.cpp | 82 |
1 files changed, 11 insertions, 71 deletions
diff --git a/core/fxcrt/fx_basic_bstring.cpp b/core/fxcrt/fx_basic_bstring.cpp index aa63edfdc1..3e4e9c354e 100644 --- a/core/fxcrt/fx_basic_bstring.cpp +++ b/core/fxcrt/fx_basic_bstring.cpp @@ -11,7 +11,11 @@ #include "core/fxcrt/include/fx_basic.h" #include "third_party/base/numerics/safe_math.h" -static int _Buffer_itoa(char* buf, int i, uint32_t flags) { +template class CFX_StringDataTemplate<FX_CHAR>; + +namespace { + +int Buffer_itoa(char* buf, int i, uint32_t flags) { if (i == 0) { buf[0] = '0'; return 1; @@ -44,76 +48,7 @@ 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( - 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. - int overhead = offsetof(StringData, m_String) + sizeof(FX_CHAR); - pdfium::base::CheckedNumeric<int> nSize = nLen; - nSize += overhead; - - // Now round to an 8-byte boundary. We'd expect that this is the minimum - // granularity of any of the underlying allocators, so there may be cases - // where we can save a re-alloc when adding a few characters to a string - // by using this otherwise wasted space. - nSize += 7; - int totalSize = nSize.ValueOrDie() & ~7; - int usableSize = totalSize - overhead; - FXSYS_assert(usableSize >= nLen); - - void* pData = FX_Alloc(uint8_t, totalSize); - return new (pData) StringData(nLen, usableSize); -} - -CFX_ByteString::StringData* CFX_ByteString::StringData::Create( - const StringData& other) { - StringData* result = Create(other.m_nDataLength); - result->CopyContents(other); - return result; -} - -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; -} - -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; -} +} // namespace CFX_ByteString::CFX_ByteString(const FX_CHAR* pStr, FX_STRSIZE nLen) { if (nLen < 0) @@ -451,6 +386,11 @@ void CFX_ByteString::AllocCopy(CFX_ByteString& dest, #define FORCE_UNICODE 0x20000 #define FORCE_INT64 0x40000 +CFX_ByteString CFX_ByteString::FormatInteger(int i, uint32_t flags) { + char buf[32]; + return CFX_ByteStringC(buf, Buffer_itoa(buf, i, flags)); +} + void CFX_ByteString::FormatV(const FX_CHAR* pFormat, va_list argList) { va_list argListSave; #if defined(__ARMCC_VERSION) || \ |