diff options
Diffstat (limited to 'core/fxcrt/cfx_bytestring.cpp')
-rw-r--r-- | core/fxcrt/cfx_bytestring.cpp | 780 |
1 files changed, 0 insertions, 780 deletions
diff --git a/core/fxcrt/cfx_bytestring.cpp b/core/fxcrt/cfx_bytestring.cpp deleted file mode 100644 index 073591a5ab..0000000000 --- a/core/fxcrt/cfx_bytestring.cpp +++ /dev/null @@ -1,780 +0,0 @@ -// 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 - -#include "core/fxcrt/cfx_bytestring.h" - -#include <stddef.h> - -#include <algorithm> -#include <cctype> -#include <string> - -#include "core/fxcrt/cfx_string_pool_template.h" -#include "core/fxcrt/cfx_utf8decoder.h" -#include "core/fxcrt/fx_codepage.h" -#include "core/fxcrt/fx_extension.h" -#include "core/fxcrt/fx_safe_types.h" -#include "third_party/base/numerics/safe_math.h" -#include "third_party/base/stl_util.h" - -template class CFX_StringDataTemplate<char>; -template class CFX_StringCTemplate<char>; -template class CFX_StringPoolTemplate<CFX_ByteString>; -template struct std::hash<CFX_ByteString>; - -namespace { - -const char* FX_strstr(const char* haystack, - int haystack_len, - const char* needle, - int needle_len) { - if (needle_len > haystack_len || needle_len == 0) { - return nullptr; - } - const char* end_ptr = haystack + haystack_len - needle_len; - while (haystack <= end_ptr) { - int i = 0; - while (1) { - if (haystack[i] != needle[i]) { - break; - } - i++; - if (i == needle_len) { - return haystack; - } - } - haystack++; - } - return nullptr; -} - -#ifndef NDEBUG -bool IsValidCodePage(uint16_t codepage) { - switch (codepage) { - case FX_CODEPAGE_DefANSI: - case FX_CODEPAGE_ShiftJIS: - case FX_CODEPAGE_ChineseSimplified: - case FX_CODEPAGE_Hangul: - case FX_CODEPAGE_ChineseTraditional: - return true; - default: - return false; - } -} -#endif - -CFX_ByteString GetByteString(uint16_t codepage, const CFX_WideStringC& wstr) { - ASSERT(IsValidCodePage(codepage)); - - int src_len = wstr.GetLength(); - int dest_len = - FXSYS_WideCharToMultiByte(codepage, 0, wstr.unterminated_c_str(), src_len, - nullptr, 0, nullptr, nullptr); - if (!dest_len) - return CFX_ByteString(); - - CFX_ByteString bstr; - char* dest_buf = bstr.GetBuffer(dest_len); - FXSYS_WideCharToMultiByte(codepage, 0, wstr.unterminated_c_str(), src_len, - dest_buf, dest_len, nullptr, nullptr); - bstr.ReleaseBuffer(dest_len); - return bstr; -} - -} // namespace - -static_assert(sizeof(CFX_ByteString) <= sizeof(char*), - "Strings must not require more space than pointers"); - -CFX_ByteString::CFX_ByteString(const char* pStr, FX_STRSIZE nLen) { - if (nLen) - m_pData.Reset(StringData::Create(pStr, nLen)); -} - -CFX_ByteString::CFX_ByteString(const uint8_t* pStr, FX_STRSIZE nLen) { - if (nLen) - m_pData.Reset( - StringData::Create(reinterpret_cast<const char*>(pStr), nLen)); -} - -CFX_ByteString::CFX_ByteString() {} - -CFX_ByteString::CFX_ByteString(const CFX_ByteString& other) - : m_pData(other.m_pData) {} - -CFX_ByteString::CFX_ByteString(CFX_ByteString&& other) noexcept { - m_pData.Swap(other.m_pData); -} - -CFX_ByteString::CFX_ByteString(char ch) { - m_pData.Reset(StringData::Create(1)); - m_pData->m_String[0] = ch; -} - -CFX_ByteString::CFX_ByteString(const char* ptr) - : CFX_ByteString(ptr, ptr ? FXSYS_strlen(ptr) : 0) {} - -CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& stringSrc) { - if (!stringSrc.IsEmpty()) - m_pData.Reset(StringData::Create(stringSrc.unterminated_c_str(), - stringSrc.GetLength())); -} - -CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& str1, - const CFX_ByteStringC& str2) { - FX_SAFE_STRSIZE nSafeLen = str1.GetLength(); - nSafeLen += str2.GetLength(); - - FX_STRSIZE nNewLen = nSafeLen.ValueOrDie(); - if (nNewLen == 0) - return; - - m_pData.Reset(StringData::Create(nNewLen)); - m_pData->CopyContents(str1.unterminated_c_str(), str1.GetLength()); - m_pData->CopyContentsAt(str1.GetLength(), str2.unterminated_c_str(), - str2.GetLength()); -} - -CFX_ByteString::CFX_ByteString( - const std::initializer_list<CFX_ByteStringC>& list) { - FX_SAFE_STRSIZE nSafeLen = 0; - for (const auto& item : list) - nSafeLen += item.GetLength(); - - FX_STRSIZE nNewLen = nSafeLen.ValueOrDie(); - if (nNewLen == 0) - return; - - m_pData.Reset(StringData::Create(nNewLen)); - - FX_STRSIZE nOffset = 0; - for (const auto& item : list) { - m_pData->CopyContentsAt(nOffset, item.unterminated_c_str(), - item.GetLength()); - nOffset += item.GetLength(); - } -} - -CFX_ByteString::CFX_ByteString(const std::ostringstream& outStream) { - std::string str = outStream.str(); - if (str.length() > 0) - m_pData.Reset(StringData::Create(str.c_str(), str.length())); -} - -CFX_ByteString::~CFX_ByteString() {} - -const CFX_ByteString& CFX_ByteString::operator=(const char* pStr) { - if (!pStr || !pStr[0]) - clear(); - else - AssignCopy(pStr, FXSYS_strlen(pStr)); - - return *this; -} - -const CFX_ByteString& CFX_ByteString::operator=( - const CFX_ByteStringC& stringSrc) { - if (stringSrc.IsEmpty()) - clear(); - else - AssignCopy(stringSrc.unterminated_c_str(), stringSrc.GetLength()); - - return *this; -} - -const CFX_ByteString& CFX_ByteString::operator=( - const CFX_ByteString& stringSrc) { - if (m_pData != stringSrc.m_pData) - m_pData = stringSrc.m_pData; - - return *this; -} - -const CFX_ByteString& CFX_ByteString::operator+=(const char* pStr) { - if (pStr) - Concat(pStr, FXSYS_strlen(pStr)); - - return *this; -} - -const CFX_ByteString& CFX_ByteString::operator+=(char ch) { - Concat(&ch, 1); - return *this; -} - -const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteString& str) { - 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()) - Concat(str.unterminated_c_str(), str.GetLength()); - - return *this; -} - -bool CFX_ByteString::operator==(const char* ptr) const { - if (!m_pData) - return !ptr || !ptr[0]; - - if (!ptr) - return m_pData->m_nDataLength == 0; - - return FXSYS_strlen(ptr) == m_pData->m_nDataLength && - memcmp(ptr, m_pData->m_String, m_pData->m_nDataLength) == 0; -} - -bool CFX_ByteString::operator==(const CFX_ByteStringC& str) const { - if (!m_pData) - return str.IsEmpty(); - - return m_pData->m_nDataLength == str.GetLength() && - memcmp(m_pData->m_String, str.unterminated_c_str(), str.GetLength()) == - 0; -} - -bool CFX_ByteString::operator==(const CFX_ByteString& other) const { - if (m_pData == other.m_pData) - return true; - - if (IsEmpty()) - return other.IsEmpty(); - - if (other.IsEmpty()) - return false; - - return other.m_pData->m_nDataLength == m_pData->m_nDataLength && - memcmp(other.m_pData->m_String, m_pData->m_String, - m_pData->m_nDataLength) == 0; -} - -bool CFX_ByteString::operator<(const CFX_ByteString& str) const { - if (m_pData == str.m_pData) - return false; - - int result = - memcmp(c_str(), str.c_str(), std::min(GetLength(), str.GetLength())); - return result < 0 || (result == 0 && GetLength() < str.GetLength()); -} - -bool CFX_ByteString::EqualNoCase(const CFX_ByteStringC& str) const { - if (!m_pData) - return str.IsEmpty(); - - FX_STRSIZE len = str.GetLength(); - if (m_pData->m_nDataLength != len) - return false; - - const uint8_t* pThis = (const uint8_t*)m_pData->m_String; - const uint8_t* pThat = str.raw_str(); - for (FX_STRSIZE i = 0; i < len; i++) { - if ((*pThis) != (*pThat)) { - uint8_t bThis = FXSYS_tolower(*pThis); - uint8_t bThat = FXSYS_tolower(*pThat); - if (bThis != bThat) - return false; - } - pThis++; - pThat++; - } - return true; -} - -void CFX_ByteString::AssignCopy(const char* pSrcData, FX_STRSIZE nSrcLen) { - AllocBeforeWrite(nSrcLen); - m_pData->CopyContents(pSrcData, nSrcLen); - m_pData->m_nDataLength = nSrcLen; -} - -void CFX_ByteString::ReallocBeforeWrite(FX_STRSIZE nNewLength) { - if (m_pData && m_pData->CanOperateInPlace(nNewLength)) - return; - - if (nNewLength == 0) { - clear(); - return; - } - - CFX_RetainPtr<StringData> pNewData(StringData::Create(nNewLength)); - if (m_pData) { - FX_STRSIZE nCopyLength = std::min(m_pData->m_nDataLength, nNewLength); - pNewData->CopyContents(m_pData->m_String, nCopyLength); - pNewData->m_nDataLength = nCopyLength; - } else { - pNewData->m_nDataLength = 0; - } - pNewData->m_String[pNewData->m_nDataLength] = 0; - m_pData.Swap(pNewData); -} - -void CFX_ByteString::AllocBeforeWrite(FX_STRSIZE nNewLength) { - if (m_pData && m_pData->CanOperateInPlace(nNewLength)) - return; - - if (nNewLength == 0) { - clear(); - return; - } - - m_pData.Reset(StringData::Create(nNewLength)); -} - -void CFX_ByteString::ReleaseBuffer(FX_STRSIZE nNewLength) { - if (!m_pData) - return; - - nNewLength = std::min(nNewLength, m_pData->m_nAllocLength); - if (nNewLength == 0) { - clear(); - return; - } - - ASSERT(m_pData->m_nRefs == 1); - m_pData->m_nDataLength = nNewLength; - m_pData->m_String[nNewLength] = 0; - if (m_pData->m_nAllocLength - nNewLength >= 32) { - // Over arbitrary threshold, so pay the price to relocate. Force copy to - // always occur by holding a second reference to the string. - CFX_ByteString preserve(*this); - ReallocBeforeWrite(nNewLength); - } -} - -void CFX_ByteString::Reserve(FX_STRSIZE len) { - GetBuffer(len); -} - -char* CFX_ByteString::GetBuffer(FX_STRSIZE nMinBufLength) { - if (!m_pData) { - 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; - } - - 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 index, FX_STRSIZE count) { - if (!m_pData) - return 0; - - FX_STRSIZE old_length = m_pData->m_nDataLength; - if (count == 0 || - index != pdfium::clamp(index, static_cast<FX_STRSIZE>(0), old_length)) - return old_length; - - FX_STRSIZE removal_length = index + count; - if (removal_length > old_length) - return old_length; - - ReallocBeforeWrite(old_length); - FX_STRSIZE chars_to_copy = old_length - removal_length + 1; - memmove(m_pData->m_String + index, m_pData->m_String + removal_length, - chars_to_copy); - m_pData->m_nDataLength = old_length - count; - return m_pData->m_nDataLength; -} - -void CFX_ByteString::Concat(const char* pSrcData, FX_STRSIZE nSrcLen) { - if (!pSrcData || nSrcLen == 0) - return; - - if (!m_pData) { - m_pData.Reset(StringData::Create(pSrcData, nSrcLen)); - return; - } - - if (m_pData->CanOperateInPlace(m_pData->m_nDataLength + nSrcLen)) { - m_pData->CopyContentsAt(m_pData->m_nDataLength, pSrcData, nSrcLen); - m_pData->m_nDataLength += nSrcLen; - return; - } - - 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 first, FX_STRSIZE count) const { - if (!m_pData) - return CFX_ByteString(); - - if (!IsValidIndex(first)) - return CFX_ByteString(); - - if (count == 0 || !IsValidLength(count)) - return CFX_ByteString(); - - if (!IsValidIndex(first + count - 1)) - return CFX_ByteString(); - - if (first == 0 && count == m_pData->m_nDataLength) - return *this; - - CFX_ByteString dest; - AllocCopy(dest, count, first); - return dest; -} - -CFX_ByteString CFX_ByteString::Left(FX_STRSIZE count) const { - if (count == 0 || !IsValidLength(count)) - return CFX_ByteString(); - return Mid(0, count); -} - -CFX_ByteString CFX_ByteString::Right(FX_STRSIZE count) const { - if (count == 0 || !IsValidLength(count)) - return CFX_ByteString(); - return Mid(GetLength() - count, count); -} - -void CFX_ByteString::AllocCopy(CFX_ByteString& dest, - FX_STRSIZE nCopyLen, - FX_STRSIZE nCopyIndex) const { - if (nCopyLen == 0) - return; - - 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 - -CFX_ByteString CFX_ByteString::FormatInteger(int i) { - char buf[32]; - FXSYS_snprintf(buf, 32, "%d", i); - return CFX_ByteString(buf); -} - -void CFX_ByteString::FormatV(const char* pFormat, va_list argList) { - va_list argListCopy; - va_copy(argListCopy, argList); - FX_STRSIZE nMaxLen = vsnprintf(nullptr, 0, pFormat, argListCopy); - va_end(argListCopy); - if (nMaxLen > 0) { - GetBuffer(nMaxLen); - if (m_pData) { - // In the following two calls, there's always space in the buffer for - // a terminating NUL that's not included in nMaxLen. - memset(m_pData->m_String, 0, nMaxLen + 1); - va_copy(argListCopy, argList); - vsnprintf(m_pData->m_String, nMaxLen + 1, pFormat, argListCopy); - va_end(argListCopy); - ReleaseBuffer(GetStringLength()); - } - } -} - -void CFX_ByteString::Format(const char* pFormat, ...) { - va_list argList; - va_start(argList, pFormat); - FormatV(pFormat, argList); - va_end(argList); -} - -void CFX_ByteString::SetAt(FX_STRSIZE index, char c) { - ASSERT(IsValidIndex(index)); - ReallocBeforeWrite(m_pData->m_nDataLength); - m_pData->m_String[index] = c; -} - -FX_STRSIZE CFX_ByteString::Insert(FX_STRSIZE location, char ch) { - const FX_STRSIZE cur_length = m_pData ? m_pData->m_nDataLength : 0; - if (!IsValidLength(location)) - return cur_length; - - const FX_STRSIZE new_length = cur_length + 1; - ReallocBeforeWrite(new_length); - memmove(m_pData->m_String + location + 1, m_pData->m_String + location, - new_length - location); - m_pData->m_String[location] = ch; - m_pData->m_nDataLength = new_length; - return new_length; -} - -pdfium::Optional<FX_STRSIZE> CFX_ByteString::Find(char ch, - FX_STRSIZE start) const { - if (!m_pData) - return pdfium::Optional<FX_STRSIZE>(); - - if (!IsValidIndex(start)) - return pdfium::Optional<FX_STRSIZE>(); - - const char* pStr = static_cast<const char*>( - memchr(m_pData->m_String + start, ch, m_pData->m_nDataLength - start)); - return pStr ? pdfium::Optional<FX_STRSIZE>( - static_cast<FX_STRSIZE>(pStr - m_pData->m_String)) - : pdfium::Optional<FX_STRSIZE>(); -} - -pdfium::Optional<FX_STRSIZE> CFX_ByteString::Find(const CFX_ByteStringC& subStr, - FX_STRSIZE start) const { - if (!m_pData) - return pdfium::Optional<FX_STRSIZE>(); - - if (!IsValidIndex(start)) - return pdfium::Optional<FX_STRSIZE>(); - - const char* pStr = - FX_strstr(m_pData->m_String + start, m_pData->m_nDataLength - start, - subStr.unterminated_c_str(), subStr.GetLength()); - return pStr ? pdfium::Optional<FX_STRSIZE>( - static_cast<FX_STRSIZE>(pStr - m_pData->m_String)) - : pdfium::Optional<FX_STRSIZE>(); -} - -pdfium::Optional<FX_STRSIZE> CFX_ByteString::ReverseFind(char ch) const { - if (!m_pData) - return pdfium::Optional<FX_STRSIZE>(); - - FX_STRSIZE nLength = m_pData->m_nDataLength; - while (nLength--) { - if (m_pData->m_String[nLength] == ch) - return pdfium::Optional<FX_STRSIZE>(nLength); - } - return pdfium::Optional<FX_STRSIZE>(); -} - -void CFX_ByteString::MakeLower() { - if (!m_pData) - return; - - ReallocBeforeWrite(m_pData->m_nDataLength); - FXSYS_strlwr(m_pData->m_String); -} - -void CFX_ByteString::MakeUpper() { - if (!m_pData) - return; - - ReallocBeforeWrite(m_pData->m_nDataLength); - FXSYS_strupr(m_pData->m_String); -} - -FX_STRSIZE CFX_ByteString::Remove(char chRemove) { - if (!m_pData || m_pData->m_nDataLength < 1) - return 0; - - char* pstrSource = m_pData->m_String; - char* pstrEnd = m_pData->m_String + m_pData->m_nDataLength; - while (pstrSource < pstrEnd) { - if (*pstrSource == chRemove) - break; - pstrSource++; - } - if (pstrSource == pstrEnd) - return 0; - - ptrdiff_t copied = pstrSource - m_pData->m_String; - ReallocBeforeWrite(m_pData->m_nDataLength); - pstrSource = m_pData->m_String + copied; - pstrEnd = m_pData->m_String + m_pData->m_nDataLength; - - char* pstrDest = pstrSource; - while (pstrSource < pstrEnd) { - if (*pstrSource != chRemove) { - *pstrDest = *pstrSource; - pstrDest++; - } - pstrSource++; - } - - *pstrDest = 0; - FX_STRSIZE nCount = static_cast<FX_STRSIZE>(pstrSource - pstrDest); - m_pData->m_nDataLength -= nCount; - return nCount; -} - -FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& pOld, - const CFX_ByteStringC& pNew) { - if (!m_pData || pOld.IsEmpty()) - return 0; - - FX_STRSIZE nSourceLen = pOld.GetLength(); - FX_STRSIZE nReplacementLen = pNew.GetLength(); - FX_STRSIZE nCount = 0; - const char* pStart = m_pData->m_String; - char* pEnd = m_pData->m_String + m_pData->m_nDataLength; - while (1) { - const char* pTarget = FX_strstr(pStart, static_cast<int>(pEnd - pStart), - pOld.unterminated_c_str(), nSourceLen); - if (!pTarget) - break; - - nCount++; - pStart = pTarget + nSourceLen; - } - if (nCount == 0) - return 0; - - FX_STRSIZE nNewLength = - m_pData->m_nDataLength + (nReplacementLen - nSourceLen) * nCount; - - if (nNewLength == 0) { - clear(); - return nCount; - } - - CFX_RetainPtr<StringData> pNewData(StringData::Create(nNewLength)); - pStart = m_pData->m_String; - char* pDest = pNewData->m_String; - for (FX_STRSIZE i = 0; i < nCount; i++) { - const char* pTarget = FX_strstr(pStart, static_cast<int>(pEnd - pStart), - pOld.unterminated_c_str(), nSourceLen); - memcpy(pDest, pStart, pTarget - pStart); - pDest += pTarget - pStart; - memcpy(pDest, pNew.unterminated_c_str(), pNew.GetLength()); - pDest += pNew.GetLength(); - pStart = pTarget + nSourceLen; - } - memcpy(pDest, pStart, pEnd - pStart); - m_pData.Swap(pNewData); - return nCount; -} - -CFX_WideString CFX_ByteString::UTF8Decode() const { - CFX_UTF8Decoder decoder; - for (FX_STRSIZE i = 0; i < GetLength(); i++) { - decoder.Input(static_cast<uint8_t>(m_pData->m_String[i])); - } - return CFX_WideString(decoder.GetResult()); -} - -// static -CFX_ByteString CFX_ByteString::FromUnicode(const CFX_WideString& str) { - return GetByteString(0, str.AsStringC()); -} - -int CFX_ByteString::Compare(const CFX_ByteStringC& str) const { - if (!m_pData) { - return str.IsEmpty() ? 0 : -1; - } - FX_STRSIZE this_len = m_pData->m_nDataLength; - FX_STRSIZE that_len = str.GetLength(); - FX_STRSIZE min_len = std::min(this_len, that_len); - for (FX_STRSIZE i = 0; i < min_len; i++) { - if (static_cast<uint8_t>(m_pData->m_String[i]) < str[i]) { - return -1; - } - if (static_cast<uint8_t>(m_pData->m_String[i]) > str[i]) { - return 1; - } - } - if (this_len < that_len) { - return -1; - } - if (this_len > that_len) { - return 1; - } - return 0; -} - -void CFX_ByteString::TrimRight(const CFX_ByteStringC& pTargets) { - if (!m_pData || pTargets.IsEmpty()) - return; - - FX_STRSIZE pos = GetLength(); - if (pos == 0) - return; - - while (pos) { - FX_STRSIZE i = 0; - while (i < pTargets.GetLength() && - pTargets[i] != m_pData->m_String[pos - 1]) { - i++; - } - if (i == pTargets.GetLength()) { - break; - } - pos--; - } - if (pos < m_pData->m_nDataLength) { - ReallocBeforeWrite(m_pData->m_nDataLength); - m_pData->m_String[pos] = 0; - m_pData->m_nDataLength = pos; - } -} - -void CFX_ByteString::TrimRight(char chTarget) { - TrimRight(CFX_ByteStringC(chTarget)); -} - -void CFX_ByteString::TrimRight() { - TrimRight("\x09\x0a\x0b\x0c\x0d\x20"); -} - -void CFX_ByteString::TrimLeft(const CFX_ByteStringC& pTargets) { - if (!m_pData || pTargets.IsEmpty()) - return; - - FX_STRSIZE len = GetLength(); - if (len == 0) - return; - - FX_STRSIZE pos = 0; - while (pos < len) { - FX_STRSIZE i = 0; - while (i < pTargets.GetLength() && pTargets[i] != m_pData->m_String[pos]) { - i++; - } - if (i == pTargets.GetLength()) { - break; - } - pos++; - } - if (pos) { - ReallocBeforeWrite(len); - FX_STRSIZE nDataLength = len - pos; - memmove(m_pData->m_String, m_pData->m_String + pos, - (nDataLength + 1) * sizeof(char)); - m_pData->m_nDataLength = nDataLength; - } -} - -void CFX_ByteString::TrimLeft(char chTarget) { - TrimLeft(CFX_ByteStringC(chTarget)); -} - -void CFX_ByteString::TrimLeft() { - TrimLeft("\x09\x0a\x0b\x0c\x0d\x20"); -} - -CFX_ByteString CFX_ByteString::FormatFloat(float d, int precision) { - char buf[32]; - FX_STRSIZE len = FX_ftoa(d, buf); - return CFX_ByteString(buf, len); -} - -std::ostream& operator<<(std::ostream& os, const CFX_ByteString& str) { - return os.write(str.c_str(), str.GetLength()); -} - -std::ostream& operator<<(std::ostream& os, const CFX_ByteStringC& str) { - return os.write(str.unterminated_c_str(), str.GetLength()); -} |