clang-format all pdfium code.

core/src/fxcrt/fx_basic_bstring.cpp

 // 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 <stddef.h>  // For offsetof().
 
 #include "../../include/fxcrt/fx_basic.h"
 #include "../../../third_party/base/numerics/safe_math.h"
 
-static int _Buffer_itoa(char* buf, int i, FX_DWORD flags)
-{
-    if (i == 0) {
-        buf[0] = '0';
-        return 1;
-    }
-    char buf1[32];
-    int buf_pos = 31;
-    FX_DWORD u = i;
-    if ((flags & FXFORMAT_SIGNED) && i < 0) {
-        u = -i;
-    }
-    int base = 10;
-    const FX_CHAR* string = "0123456789abcdef";
-    if (flags & FXFORMAT_HEX) {
-        base = 16;
-        if (flags & FXFORMAT_CAPITAL) {
-            string = "0123456789ABCDEF";
-        }
-    }
-    while (u != 0) {
-        buf1[buf_pos--] = string[u % base];
-        u = u / base;
-    }
-    if ((flags & FXFORMAT_SIGNED) && i < 0) {
-        buf1[buf_pos--] = '-';
-    }
-    int len = 31 - buf_pos;
-    for (int ii = 0; ii < len; ii ++) {
-        buf[ii] = buf1[ii + buf_pos + 1];
-    }
-    return len;
-}
-CFX_ByteString CFX_ByteString::FormatInteger(int i, FX_DWORD flags)
-{
-    char buf[32];
-    return CFX_ByteStringC(buf, _Buffer_itoa(buf, i, flags));
+static int _Buffer_itoa(char* buf, int i, FX_DWORD flags) {
+  if (i == 0) {
+    buf[0] = '0';
+    return 1;
+  }
+  char buf1[32];
+  int buf_pos = 31;
+  FX_DWORD u = i;
+  if ((flags & FXFORMAT_SIGNED) && i < 0) {
+    u = -i;
+  }
+  int base = 10;
+  const FX_CHAR* string = "0123456789abcdef";
+  if (flags & FXFORMAT_HEX) {
+    base = 16;
+    if (flags & FXFORMAT_CAPITAL) {
+      string = "0123456789ABCDEF";
+    }
+  }
+  while (u != 0) {
+    buf1[buf_pos--] = string[u % base];
+    u = u / base;
+  }
+  if ((flags & FXFORMAT_SIGNED) && i < 0) {
+    buf1[buf_pos--] = '-';
+  }
+  int len = 31 - buf_pos;
+  for (int ii = 0; ii < len; ii++) {
+    buf[ii] = buf1[ii + buf_pos + 1];
+  }
+  return len;
+}
+CFX_ByteString CFX_ByteString::FormatInteger(int i, FX_DWORD 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(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;
+  }
 
-    // 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;
+  // 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);
+  // 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::~CFX_ByteString()
-{
+  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::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) {
-        m_pData->Release();
-    }
-}
-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::CFX_ByteString(const uint8_t* lpsz, 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;
-    }
-}
-CFX_ByteString::CFX_ByteString(char ch)
-{
-    m_pData = StringData::Create(1);
+      FXSYS_memcpy(m_pData->m_String, lpsz, nLen);
+    }
+  } else {
+    m_pData = NULL;
+  }
+}
+CFX_ByteString::CFX_ByteString(const uint8_t* lpsz, FX_STRSIZE nLen) {
+  if (nLen > 0) {
+    m_pData = StringData::Create(nLen);
     if (m_pData) {
-        m_pData->m_String[0] = ch;
-    }
-}
-CFX_ByteString::CFX_ByteString(const CFX_ByteString& stringSrc)
-{
-    if (stringSrc.m_pData == NULL) {
-        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;
-    }
-}
-CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& stringSrc)
-{
-    if (stringSrc.IsEmpty()) {
-        m_pData = NULL;
-        return;
-    }
+      FXSYS_memcpy(m_pData->m_String, lpsz, nLen);
+    }
+  } else {
+    m_pData = NULL;
+  }
+}
+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 == NULL) {
+    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;
-}
-CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& str1, const CFX_ByteStringC& str2)
-{
+  }
+}
+CFX_ByteString::CFX_ByteString(const CFX_ByteStringC& stringSrc) {
+  if (stringSrc.IsEmpty()) {
     m_pData = NULL;
-    int nNewLen = str1.GetLength() + str2.GetLength();
-    if (nNewLen == 0) {
-        return;
-    }
-    m_pData = StringData::Create(nNewLen);
+    return;
+  }
+  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) {
+    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());
+  }
+}
+const CFX_ByteString& CFX_ByteString::operator=(const FX_CHAR* lpsz) {
+  if (lpsz == NULL || lpsz[0] == 0) {
+    Empty();
+  } else {
+    AssignCopy(FXSYS_strlen(lpsz), lpsz);
+  }
+  return *this;
+}
+const CFX_ByteString& CFX_ByteString::operator=(const CFX_ByteStringC& str) {
+  if (str.IsEmpty()) {
+    Empty();
+  } else {
+    AssignCopy(str.GetLength(), str.GetCStr());
+  }
+  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();
+    m_pData = stringSrc.m_pData;
     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());
-    }
-}
-const CFX_ByteString& CFX_ByteString::operator=(const FX_CHAR* lpsz)
-{
-    if (lpsz == NULL || lpsz[0] == 0) {
-        Empty();
-    } else {
-        AssignCopy(FXSYS_strlen(lpsz), lpsz);
-    }
+      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;
+  }
+}
+const CFX_ByteString& CFX_ByteString::operator+=(const FX_CHAR* lpsz) {
+  if (lpsz) {
+    ConcatInPlace(FXSYS_strlen(lpsz), lpsz);
+  }
+  return *this;
+}
+const CFX_ByteString& CFX_ByteString::operator+=(char ch) {
+  ConcatInPlace(1, &ch);
+  return *this;
+}
+const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteString& string) {
+  if (string.m_pData == NULL) {
     return *this;
-}
-const CFX_ByteString& CFX_ByteString::operator=(const CFX_ByteStringC& str)
-{
-    if (str.IsEmpty()) {
-        Empty();
-    } else {
-        AssignCopy(str.GetLength(), str.GetCStr());
-    }
+  }
+  ConcatInPlace(string.m_pData->m_nDataLength, string.m_pData->m_String);
+  return *this;
+}
+const CFX_ByteString& CFX_ByteString::operator+=(
+    const CFX_ByteStringC& string) {
+  if (string.IsEmpty()) {
     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();
-        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)
-{
+  }
+  ConcatInPlace(string.GetLength(), string.GetCStr());
+  return *this;
+}
+bool CFX_ByteString::Equal(const char* ptr) const {
+  if (!m_pData) {
+    return !ptr || ptr[0] == '\0';
+  }
+  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 == NULL) {
+    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()) {
+    return 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 == NULL) {
+    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.GetPtr();
+  for (FX_STRSIZE i = 0; i < len; i++) {
+    if ((*pThis) != (*pThat)) {
+      uint8_t bThis = *pThis;
+      if (bThis >= 'A' && bThis <= 'Z') {
+        bThis += 'a' - 'A';
+      }
+      uint8_t bThat = *pThat;
+      if (bThat >= 'A' && bThat <= 'Z') {
+        bThat += 'a' - 'A';
+      }
+      if (bThis != bThat) {
+        return false;
+      }
+    }
+    pThis++;
+    pThat++;
+  }
+  return true;
+}
+void CFX_ByteString::AssignCopy(FX_STRSIZE nSrcLen,
+                                const FX_CHAR* lpszSrcData) {
+  AllocBeforeWrite(nSrcLen);
+  FXSYS_memcpy(m_pData->m_String, lpszSrcData, nSrcLen);
+  m_pData->m_nDataLength = nSrcLen;
+  m_pData->m_String[nSrcLen] = 0;
+}
+void CFX_ByteString::CopyBeforeWrite() {
+  if (m_pData == NULL || m_pData->m_nRefs <= 1) {
+    return;
+  }
+  StringData* pData = m_pData;
+  m_pData->Release();
+  FX_STRSIZE nDataLength = pData->m_nDataLength;
+  m_pData = StringData::Create(nDataLength);
+  if (m_pData != NULL) {
+    FXSYS_memcpy(m_pData->m_String, pData->m_String, nDataLength + 1);
+  }
+}
+void CFX_ByteString::AllocBeforeWrite(FX_STRSIZE nLen) {
+  if (m_pData && m_pData->m_nRefs <= 1 && m_pData->m_nAllocLength >= nLen) {
+    return;
+  }
+  Empty();
+  m_pData = StringData::Create(nLen);
+}
+void CFX_ByteString::ReleaseBuffer(FX_STRSIZE nNewLength) {
+  if (m_pData == NULL) {
+    return;
+  }
+  CopyBeforeWrite();
+  if (nNewLength == -1) {
+    nNewLength = FXSYS_strlen((const FX_CHAR*)m_pData->m_String);
+  }
+  if (nNewLength == 0) {
     Empty();
-    if (len) {
-        m_pData = StringData::Create(len);
-        if (m_pData) {
-            FXSYS_memcpy(m_pData->m_String, buf, len);
-        }
-    } else {
-        m_pData = NULL;
-    }
-}
-const CFX_ByteString& CFX_ByteString::operator+=(const FX_CHAR* lpsz)
-{
-    if (lpsz) {
-        ConcatInPlace(FXSYS_strlen(lpsz), lpsz);
-    }
-    return *this;
-}
-const CFX_ByteString& CFX_ByteString::operator+=(char ch)
-{
-    ConcatInPlace(1, &ch);
-    return *this;
-}
-const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteString& string)
-{
-    if (string.m_pData == NULL) {
-        return *this;
-    }
-    ConcatInPlace(string.m_pData->m_nDataLength, string.m_pData->m_String);
-    return *this;
-}
-const CFX_ByteString& CFX_ByteString::operator+=(const CFX_ByteStringC& string)
-{
-    if (string.IsEmpty()) {
-        return *this;
-    }
-    ConcatInPlace(string.GetLength(), string.GetCStr());
-    return *this;
-}
-bool CFX_ByteString::Equal(const char* ptr) const
-{
-    if (!m_pData) {
-        return !ptr || ptr[0] == '\0';
-    }
-    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 == NULL) {
-        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()) {
-        return 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 == NULL) {
-        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.GetPtr();
-    for (FX_STRSIZE i = 0; i < len; i ++) {
-        if ((*pThis) != (*pThat)) {
-            uint8_t bThis = *pThis;
-            if (bThis >= 'A' && bThis <= 'Z') {
-                bThis += 'a' - 'A';
-            }
-            uint8_t bThat = *pThat;
-            if (bThat >= 'A' && bThat <= 'Z') {
-                bThat += 'a' - 'A';
-            }
-            if (bThis != bThat) {
-                return false;
-            }
-        }
-        pThis ++;
-        pThat ++;
-    }
-    return true;
-}
-void CFX_ByteString::AssignCopy(FX_STRSIZE nSrcLen, const FX_CHAR* lpszSrcData)
-{
-    AllocBeforeWrite(nSrcLen);
-    FXSYS_memcpy(m_pData->m_String, lpszSrcData, nSrcLen);
-    m_pData->m_nDataLength = nSrcLen;
-    m_pData->m_String[nSrcLen] = 0;
-}
-void CFX_ByteString::CopyBeforeWrite()
-{
-    if (m_pData == NULL || m_pData->m_nRefs <= 1) {
-        return;
-    }
-    StringData* pData = m_pData;
-    m_pData->Release();
-    FX_STRSIZE nDataLength = pData->m_nDataLength;
-    m_pData = StringData::Create(nDataLength);
-    if (m_pData != NULL) {
-        FXSYS_memcpy(m_pData->m_String, pData->m_String, nDataLength + 1);
-    }
-}
-void CFX_ByteString::AllocBeforeWrite(FX_STRSIZE nLen)
-{
-    if (m_pData && m_pData->m_nRefs <= 1 && m_pData->m_nAllocLength >= nLen) {
-        return;
-    }
-    Empty();
-    m_pData = StringData::Create(nLen);
-}
-void CFX_ByteString::ReleaseBuffer(FX_STRSIZE nNewLength)
-{
-    if (m_pData == NULL) {
-        return;
-    }
-    CopyBeforeWrite();
-    if (nNewLength == -1) {
-        nNewLength = FXSYS_strlen((const FX_CHAR*)m_pData->m_String);
-    }
-    if (nNewLength == 0) {
-        Empty();
-        return;
-    }
-    FXSYS_assert(nNewLength <= m_pData->m_nAllocLength);
-    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 == NULL && 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 == NULL) {
-        m_pData = StringData::Create(nMinBufLength);
-        if (!m_pData) {
-            return NULL;
-        }
-        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;
-    }
+    return;
+  }
+  FXSYS_assert(nNewLength <= m_pData->m_nAllocLength);
+  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 == NULL && 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 == NULL) {
     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();
+      return NULL;
+    }
+    m_pData->m_nDataLength = 0;
+    m_pData->m_String[0] = 0;
     return m_pData->m_String;
-}
-FX_STRSIZE CFX_ByteString::Delete(FX_STRSIZE nIndex, FX_STRSIZE nCount)
-{
-    if (m_pData == NULL) {
-        return 0;
-    }
-    if (nIndex < 0) {
-        nIndex = 0;
-    }
-    FX_STRSIZE nOldLength = m_pData->m_nDataLength;
-    if (nCount > 0 && nIndex < nOldLength) {
-        FX_STRSIZE mLength = nIndex + nCount;
-        if (mLength >= nOldLength) {
-            m_pData->m_nDataLength = nIndex;
-            return m_pData->m_nDataLength;
+  }
+  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();
+  return m_pData->m_String;
+}
+FX_STRSIZE CFX_ByteString::Delete(FX_STRSIZE nIndex, FX_STRSIZE nCount) {
+  if (m_pData == NULL) {
+    return 0;
+  }
+  if (nIndex < 0) {
+    nIndex = 0;
+  }
+  FX_STRSIZE nOldLength = m_pData->m_nDataLength;
+  if (nCount > 0 && nIndex < nOldLength) {
+    FX_STRSIZE mLength = nIndex + nCount;
+    if (mLength >= nOldLength) {
+      m_pData->m_nDataLength = nIndex;
+      return m_pData->m_nDataLength;
+    }
+    CopyBeforeWrite();
+    int nBytesToCopy = nOldLength - mLength + 1;
+    FXSYS_memmove(m_pData->m_String + nIndex, m_pData->m_String + mLength,
+                  nBytesToCopy);
+    m_pData->m_nDataLength = nOldLength - nCount;
+  }
+  return m_pData->m_nDataLength;
+}
+void CFX_ByteString::ConcatInPlace(FX_STRSIZE nSrcLen,
+                                   const FX_CHAR* lpszSrcData) {
+  if (nSrcLen == 0 || lpszSrcData == NULL) {
+    return;
+  }
+  if (m_pData == NULL) {
+    m_pData = StringData::Create(nSrcLen);
+    if (!m_pData) {
+      return;
+    }
+    FXSYS_memcpy(m_pData->m_String, lpszSrcData, 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);
+    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_ByteString CFX_ByteString::Mid(FX_STRSIZE nFirst) const {
+  if (m_pData == NULL) {
+    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) {
+    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) {
+    return;
+  }
+  ASSERT(dest.m_pData == NULL);
+  dest.m_pData = StringData::Create(nCopyLen);
+  if (dest.m_pData) {
+    FXSYS_memcpy(dest.m_pData->m_String, m_pData->m_String + nCopyIndex,
+                 nCopyLen);
+  }
+}
+#define FORCE_ANSI 0x10000
+#define FORCE_UNICODE 0x20000
+#define FORCE_INT64 0x40000
+void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList) {
+  va_list argListSave;
+#if defined(__ARMCC_VERSION) ||                                              \
+    (!defined(_MSC_VER) && (_FX_CPU_ == _FX_X64_ || _FX_CPU_ == _FX_IA64_ || \
+                            _FX_CPU_ == _FX_ARM64_)) ||                      \
+    defined(__native_client__)
+  va_copy(argListSave, argList);
+#else
+  argListSave = argList;
+#endif
+  int nMaxLen = 0;
+  for (const FX_CHAR* lpsz = lpszFormat; *lpsz != 0; lpsz++) {
+    if (*lpsz != '%' || *(lpsz = lpsz + 1) == '%') {
+      nMaxLen += FXSYS_strlen(lpsz);
+      continue;
+    }
+    int nItemLen = 0;
+    int nWidth = 0;
+    for (; *lpsz != 0; lpsz++) {
+      if (*lpsz == '#') {
+        nMaxLen += 2;
+      } else if (*lpsz == '*') {
+        nWidth = va_arg(argList, int);
+      } else if (*lpsz == '-' || *lpsz == '+' || *lpsz == '0' || *lpsz == ' ')
+        ;
+      else {
+        break;
+      }
+    }
+    if (nWidth == 0) {
+      nWidth = FXSYS_atoi(lpsz);
+      for (; (*lpsz) >= '0' && (*lpsz) <= '9'; lpsz++)
+        ;
+    }
+    if (nWidth < 0 || nWidth > 128 * 1024) {
+      lpszFormat = "Bad width";
+      nMaxLen = 10;
+      break;
+    }
+    int nPrecision = 0;
+    if (*lpsz == '.') {
+      lpsz++;
+      if (*lpsz == '*') {
+        nPrecision = va_arg(argList, int);
+        lpsz++;
+      } else {
+        nPrecision = FXSYS_atoi(lpsz);
+        for (; (*lpsz) >= '0' && (*lpsz) <= '9'; lpsz++)
+          ;
+      }
+    }
+    if (nPrecision < 0 || nPrecision > 128 * 1024) {
+      lpszFormat = "Bad precision";
+      nMaxLen = 14;
+      break;
+    }
+    int nModifier = 0;
+    if (FXSYS_strncmp(lpsz, "I64", 3) == 0) {
+      lpsz += 3;
+      nModifier = FORCE_INT64;
+    } else {
+      switch (*lpsz) {
+        case 'h':
+          nModifier = FORCE_ANSI;
+          lpsz++;
+          break;
+        case 'l':
+          nModifier = FORCE_UNICODE;
+          lpsz++;
+          break;
+        case 'F':
+        case 'N':
+        case 'L':
+          lpsz++;
+          break;
+      }
+    }
+    switch (*lpsz | nModifier) {
+      case 'c':
+      case 'C':
+        nItemLen = 2;
+        va_arg(argList, int);
+        break;
+      case 'c' | FORCE_ANSI:
+      case 'C' | FORCE_ANSI:
+        nItemLen = 2;
+        va_arg(argList, int);
+        break;
+      case 'c' | FORCE_UNICODE:
+      case 'C' | FORCE_UNICODE:
+        nItemLen = 2;
+        va_arg(argList, int);
+        break;
+      case 's': {
+        const FX_CHAR* pstrNextArg = va_arg(argList, const FX_CHAR*);
+        if (pstrNextArg == NULL) {
+          nItemLen = 6;
+        } else {
+          nItemLen = FXSYS_strlen(pstrNextArg);
+          if (nItemLen < 1) {
+            nItemLen = 1;
+          }
         }
-        CopyBeforeWrite();
-        int nBytesToCopy = nOldLength - mLength + 1;
-        FXSYS_memmove(m_pData->m_String + nIndex,
-                        m_pData->m_String + mLength, nBytesToCopy);
-        m_pData->m_nDataLength = nOldLength - nCount;
-    }
-    return m_pData->m_nDataLength;
-}
-void CFX_ByteString::ConcatInPlace(FX_STRSIZE nSrcLen, const FX_CHAR* lpszSrcData)
-{
-    if (nSrcLen == 0 || lpszSrcData == NULL) {
-        return;
-    }
-    if (m_pData == NULL) {
-        m_pData = StringData::Create(nSrcLen);
-        if (!m_pData) {
-            return;
+      } break;
+      case 'S': {
+        FX_WCHAR* pstrNextArg = va_arg(argList, FX_WCHAR*);
+        if (pstrNextArg == NULL) {
+          nItemLen = 6;
+        } else {
+          nItemLen = FXSYS_wcslen(pstrNextArg);
+          if (nItemLen < 1) {
+            nItemLen = 1;
+          }
         }
-        FXSYS_memcpy(m_pData->m_String, lpszSrcData, 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);
+      } break;
+      case 's' | FORCE_ANSI:
+      case 'S' | FORCE_ANSI: {
+        const FX_CHAR* pstrNextArg = va_arg(argList, const FX_CHAR*);
+        if (pstrNextArg == NULL) {
+          nItemLen = 6;
+        } else {
+          nItemLen = FXSYS_strlen(pstrNextArg);
+          if (nItemLen < 1) {
+            nItemLen = 1;
+          }
+        }
+      } break;
+      case 's' | FORCE_UNICODE:
+      case 'S' | FORCE_UNICODE: {
+        FX_WCHAR* pstrNextArg = va_arg(argList, FX_WCHAR*);
+        if (pstrNextArg == NULL) {
+          nItemLen = 6;
+        } else {
+          nItemLen = FXSYS_wcslen(pstrNextArg);
+          if (nItemLen < 1) {
+            nItemLen = 1;
+          }
+        }
+      } break;
+    }
+    if (nItemLen != 0) {
+      if (nPrecision != 0 && nItemLen > nPrecision) {
+        nItemLen = nPrecision;
+      }
+      if (nItemLen < nWidth) {
+        nItemLen = nWidth;
+      }
     } else {
-        FXSYS_memcpy(m_pData->m_String + m_pData->m_nDataLength, lpszSrcData, 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.
+      switch (*lpsz) {
+        case 'd':
+        case 'i':
+        case 'u':
+        case 'x':
+        case 'X':
+        case 'o':
+          if (nModifier & FORCE_INT64) {
+            va_arg(argList, int64_t);
+          } else {
+            va_arg(argList, int);
+          }
+          nItemLen = 32;
+          if (nItemLen < nWidth + nPrecision) {
+            nItemLen = nWidth + nPrecision;
+          }
+          break;
+        case 'a':
+        case 'A':
+        case 'e':
+        case 'E':
+        case 'g':
+        case 'G':
+          va_arg(argList, double);
+          nItemLen = 128;
+          if (nItemLen < nWidth + nPrecision) {
+            nItemLen = nWidth + nPrecision;
+          }
+          break;
+        case 'f':
+          if (nWidth + nPrecision > 100) {
+            nItemLen = nPrecision + nWidth + 128;
+          } else {
+            char pszTemp[256];
+            double f = va_arg(argList, double);
+            memset(pszTemp, 0, sizeof(pszTemp));
+            FXSYS_snprintf(pszTemp, sizeof(pszTemp) - 1, "%*.*f", nWidth,
+                           nPrecision + 6, f);
+            nItemLen = FXSYS_strlen(pszTemp);
+          }
+          break;
+        case 'p':
+          va_arg(argList, void*);
+          nItemLen = 32;
+          if (nItemLen < nWidth + nPrecision) {
+            nItemLen = nWidth + nPrecision;
+          }
+          break;
+        case 'n':
+          va_arg(argList, int*);
+          break;
+      }
+    }
+    nMaxLen += nItemLen;
+  }
+  nMaxLen += 32;  // Fudge factor.
+  GetBuffer(nMaxLen);
+  if (m_pData) {
+    memset(m_pData->m_String, 0, nMaxLen);
+    FXSYS_vsnprintf(m_pData->m_String, nMaxLen - 1, lpszFormat, argListSave);
+    ReleaseBuffer();
+  }
+  va_end(argListSave);
+}
+void CFX_ByteString::Format(const FX_CHAR* lpszFormat, ...) {
+  va_list argList;
+  va_start(argList, lpszFormat);
+  FormatV(lpszFormat, 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;
+  }
+  nNewLength++;
+  if (m_pData == NULL || m_pData->m_nAllocLength < nNewLength) {
     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_ByteString CFX_ByteString::Mid(FX_STRSIZE nFirst) const
-{
-    if (m_pData == NULL) {
-        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) {
-        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) {
-        return;
-    }
-    ASSERT(dest.m_pData == NULL);
-    dest.m_pData = StringData::Create(nCopyLen);
-    if (dest.m_pData) {
-        FXSYS_memcpy(dest.m_pData->m_String, m_pData->m_String + nCopyIndex, nCopyLen);
-    }
-}
-#define FORCE_ANSI      0x10000
-#define FORCE_UNICODE   0x20000
-#define FORCE_INT64     0x40000
-void CFX_ByteString::FormatV(const FX_CHAR* lpszFormat, va_list argList)
-{
-    va_list argListSave;
-#if defined(__ARMCC_VERSION) || (!defined(_MSC_VER) && (_FX_CPU_ == _FX_X64_ || _FX_CPU_ == _FX_IA64_ || _FX_CPU_ == _FX_ARM64_)) || defined(__native_client__)
-    va_copy(argListSave, argList);
-#else
-    argListSave = argList;
-#endif
-    int nMaxLen = 0;
-    for (const FX_CHAR* lpsz = lpszFormat; *lpsz != 0; lpsz ++) {
-        if (*lpsz != '%' || *(lpsz = lpsz + 1) == '%') {
-            nMaxLen += FXSYS_strlen(lpsz);
-            continue;
-        }
-        int nItemLen = 0;
-        int nWidth = 0;
-        for (; *lpsz != 0; lpsz ++) {
-            if (*lpsz == '#') {
-                nMaxLen += 2;
-            } else if (*lpsz == '*') {
-                nWidth = va_arg(argList, int);
-            } else if (*lpsz == '-' || *lpsz == '+' || *lpsz == '0' ||
-                       *lpsz == ' ')
-                ;
-            else {
-                break;
-            }
-        }
-        if (nWidth == 0) {
-            nWidth = FXSYS_atoi(lpsz);
-            for (; (*lpsz) >= '0' && (*lpsz) <= '9'; lpsz ++)
-                ;
-        }
-        if (nWidth < 0 || nWidth > 128 * 1024) {
-            lpszFormat = "Bad width";
-            nMaxLen = 10;
-            break;
-        }
-        int nPrecision = 0;
-        if (*lpsz == '.') {
-            lpsz ++;
-            if (*lpsz == '*') {
-                nPrecision = va_arg(argList, int);
-                lpsz ++;
-            } else {
-                nPrecision = FXSYS_atoi(lpsz);
-                for (; (*lpsz) >= '0' && (*lpsz) <= '9'; lpsz ++)
-                    ;
-            }
-        }
-        if (nPrecision < 0 || nPrecision > 128 * 1024) {
-            lpszFormat = "Bad precision";
-            nMaxLen = 14;
-            break;
-        }
-        int nModifier = 0;
-        if (FXSYS_strncmp(lpsz, "I64", 3) == 0) {
-            lpsz += 3;
-            nModifier = FORCE_INT64;
-        } else {
-            switch (*lpsz) {
-                case 'h':
-                    nModifier = FORCE_ANSI;
-                    lpsz ++;
-                    break;
-                case 'l':
-                    nModifier = FORCE_UNICODE;
-                    lpsz ++;
-                    break;
-                case 'F':
-                case 'N':
-                case 'L':
-                    lpsz ++;
-                    break;
-            }
-        }
-        switch (*lpsz | nModifier) {
-            case 'c':
-            case 'C':
-                nItemLen = 2;
-                va_arg(argList, int);
-                break;
-            case 'c'|FORCE_ANSI:
-            case 'C'|FORCE_ANSI:
-                nItemLen = 2;
-                va_arg(argList, int);
-                break;
-            case 'c'|FORCE_UNICODE:
-            case 'C'|FORCE_UNICODE:
-                nItemLen = 2;
-                va_arg(argList, int);
-                break;
-            case 's': {
-                    const FX_CHAR* pstrNextArg = va_arg(argList, const FX_CHAR*);
-                    if (pstrNextArg == NULL) {
-                        nItemLen = 6;
-                    } else {
-                        nItemLen = FXSYS_strlen(pstrNextArg);
-                        if (nItemLen < 1) {
-                            nItemLen = 1;
-                        }
-                    }
-                }
-                break;
-            case 'S': {
-                    FX_WCHAR* pstrNextArg = va_arg(argList, FX_WCHAR*);
-                    if (pstrNextArg == NULL) {
-                        nItemLen = 6;
-                    } else {
-                        nItemLen = FXSYS_wcslen(pstrNextArg);
-                        if (nItemLen < 1) {
-                            nItemLen = 1;
-                        }
-                    }
-                }
-                break;
-            case 's'|FORCE_ANSI:
-            case 'S'|FORCE_ANSI: {
-                    const FX_CHAR* pstrNextArg = va_arg(argList, const FX_CHAR*);
-                    if (pstrNextArg == NULL) {
-                        nItemLen = 6;
-                    } else {
-                        nItemLen = FXSYS_strlen(pstrNextArg);
-                        if (nItemLen < 1) {
-                            nItemLen = 1;
-                        }
-                    }
-                }
-                break;
-            case 's'|FORCE_UNICODE:
-            case 'S'|FORCE_UNICODE: {
-                    FX_WCHAR* pstrNextArg = va_arg(argList, FX_WCHAR*);
-                    if (pstrNextArg == NULL) {
-                        nItemLen = 6;
-                    } else {
-                        nItemLen = FXSYS_wcslen(pstrNextArg);
-                        if (nItemLen < 1) {
-                            nItemLen = 1;
-                        }
-                    }
-                }
-                break;
-        }
-        if (nItemLen != 0) {
-            if (nPrecision != 0 && nItemLen > nPrecision) {
-                nItemLen = nPrecision;
-            }
-            if (nItemLen < nWidth) {
-                nItemLen = nWidth;
-            }
-        } else {
-            switch (*lpsz) {
-                case 'd':
-                case 'i':
-                case 'u':
-                case 'x':
-                case 'X':
-                case 'o':
-                    if (nModifier & FORCE_INT64) {
-                        va_arg(argList, int64_t);
-                    } else {
-                        va_arg(argList, int);
-                    }
-                    nItemLen = 32;
-                    if (nItemLen < nWidth + nPrecision) {
-                        nItemLen = nWidth + nPrecision;
-                    }
-                    break;
-                case 'a':
-                case 'A':
-                case 'e':
-                case 'E':
-                case 'g':
-                case 'G':
-                    va_arg(argList, double);
-                    nItemLen = 128;
-                    if (nItemLen < nWidth + nPrecision) {
-                        nItemLen = nWidth + nPrecision;
-                    }
-                    break;
-                case 'f':
-                    if (nWidth + nPrecision > 100) {
-                        nItemLen = nPrecision + nWidth + 128;
-                    } else {
-                        char pszTemp[256];
-                        double f = va_arg(argList, double);
-                        memset(pszTemp, 0, sizeof(pszTemp));
-                        FXSYS_snprintf(pszTemp, sizeof(pszTemp) - 1, "%*.*f", nWidth, nPrecision + 6, f);
-                        nItemLen = FXSYS_strlen(pszTemp);
-                    }
-                    break;
-                case 'p':
-                    va_arg(argList, void*);
-                    nItemLen = 32;
-                    if (nItemLen < nWidth + nPrecision) {
-                        nItemLen = nWidth + nPrecision;
-                    }
-                    break;
-                case 'n':
-                    va_arg(argList, int*);
-                    break;
-            }
-        }
-        nMaxLen += nItemLen;
-    }
-    nMaxLen += 32;  // Fudge factor.
-    GetBuffer(nMaxLen);
-    if (m_pData) {
-        memset(m_pData->m_String, 0, nMaxLen);
-        FXSYS_vsnprintf(m_pData->m_String, nMaxLen - 1, lpszFormat, argListSave);
-        ReleaseBuffer();
-    }
-    va_end(argListSave);
-}
-void CFX_ByteString::Format(const FX_CHAR* lpszFormat, ...)
-{
-    va_list argList;
-    va_start(argList, lpszFormat);
-    FormatV(lpszFormat, 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;
-    }
-    nNewLength++;
-    if (m_pData == NULL || 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 != NULL) {
-            FXSYS_memmove(m_pData->m_String, pstr, (pOldData->m_nDataLength + 1));
-            pOldData->Release();
-        } else {
-            m_pData->m_String[0] = 0;
-        }
-    }
-    FXSYS_memmove(m_pData->m_String + nIndex + 1,
-                    m_pData->m_String + 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 == NULL) {
-        return CFX_ByteString();
-    }
-    if (nCount < 0) {
-        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 == NULL) {
-        return CFX_ByteString();
-    }
-    if (nCount < 0) {
-        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 == NULL) {
-        return -1;
-    }
-    FX_STRSIZE nLength = m_pData->m_nDataLength;
-    if (nStart >= nLength) {
-        return -1;
-    }
-    const FX_CHAR* lpsz = FXSYS_strchr(m_pData->m_String + nStart, ch);
-    return (lpsz == NULL) ? -1 : (int)(lpsz - m_pData->m_String);
-}
-FX_STRSIZE CFX_ByteString::ReverseFind(FX_CHAR ch) const
-{
-    if (m_pData == NULL) {
-        return -1;
-    }
-    FX_STRSIZE nLength = m_pData->m_nDataLength;
-    while (nLength) {
-        if (m_pData->m_String[nLength - 1] == ch) {
-            return nLength - 1;
-        }
-        nLength --;
-    }
+    const FX_CHAR* pstr = m_pData->m_String;
+    m_pData = StringData::Create(nNewLength);
+    if (!m_pData) {
+      return 0;
+    }
+    if (pOldData != NULL) {
+      FXSYS_memmove(m_pData->m_String, pstr, (pOldData->m_nDataLength + 1));
+      pOldData->Release();
+    } else {
+      m_pData->m_String[0] = 0;
+    }
+  }
+  FXSYS_memmove(m_pData->m_String + nIndex + 1, m_pData->m_String + 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 == NULL) {
+    return CFX_ByteString();
+  }
+  if (nCount < 0) {
+    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 == NULL) {
+    return CFX_ByteString();
+  }
+  if (nCount < 0) {
+    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 == NULL) {
     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;
-    }
-    const FX_CHAR* end_ptr = str1 + len1 - len2;
-    while (str1 <= end_ptr) {
-        int i = 0;
-        while (1) {
-            if (str1[i] != str2[i]) {
-                break;
-            }
-            i ++;
-            if (i == len2) {
-                return str1;
-            }
-        }
-        str1 ++;
-    }
+  }
+  FX_STRSIZE nLength = m_pData->m_nDataLength;
+  if (nStart >= nLength) {
+    return -1;
+  }
+  const FX_CHAR* lpsz = FXSYS_strchr(m_pData->m_String + nStart, ch);
+  return (lpsz == NULL) ? -1 : (int)(lpsz - m_pData->m_String);
+}
+FX_STRSIZE CFX_ByteString::ReverseFind(FX_CHAR ch) const {
+  if (m_pData == NULL) {
+    return -1;
+  }
+  FX_STRSIZE nLength = m_pData->m_nDataLength;
+  while (nLength) {
+    if (m_pData->m_String[nLength - 1] == ch) {
+      return nLength - 1;
+    }
+    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;
-}
-FX_STRSIZE CFX_ByteString::Find(const CFX_ByteStringC& lpszSub, FX_STRSIZE nStart) const
-{
-    if (m_pData == NULL) {
-        return -1;
-    }
-    FX_STRSIZE nLength = m_pData->m_nDataLength;
-    if (nStart > nLength) {
-        return -1;
-    }
-    const FX_CHAR* lpsz = FX_strstr(m_pData->m_String + nStart, m_pData->m_nDataLength - nStart,
-                               lpszSub.GetCStr(), lpszSub.GetLength());
-    return (lpsz == NULL) ? -1 : (int)(lpsz - m_pData->m_String);
-}
-void CFX_ByteString::MakeLower()
-{
-    if (m_pData == NULL) {
-        return;
-    }
-    CopyBeforeWrite();
-    if (GetLength() < 1) {
-        return;
-    }
-    FXSYS_strlwr(m_pData->m_String);
-}
-void CFX_ByteString::MakeUpper()
-{
-    if (m_pData == NULL) {
-        return;
-    }
-    CopyBeforeWrite();
-    if (GetLength() < 1) {
-        return;
-    }
-    FXSYS_strupr(m_pData->m_String);
-}
-FX_STRSIZE CFX_ByteString::Remove(FX_CHAR chRemove)
-{
-    if (m_pData == NULL) {
-        return 0;
-    }
-    CopyBeforeWrite();
-    if (GetLength() < 1) {
-        return 0;
-    }
-    FX_CHAR* pstrSource = m_pData->m_String;
-    FX_CHAR* pstrDest = m_pData->m_String;
-    FX_CHAR* pstrEnd = m_pData->m_String + m_pData->m_nDataLength;
-    while (pstrSource < pstrEnd) {
-        if (*pstrSource != chRemove) {
-            *pstrDest = *pstrSource;
-            pstrDest ++;
-        }
-        pstrSource ++;
-    }
-    *pstrDest = 0;
-    FX_STRSIZE nCount = (FX_STRSIZE)(pstrSource - pstrDest);
-    m_pData->m_nDataLength -= nCount;
+  }
+  const FX_CHAR* end_ptr = str1 + len1 - len2;
+  while (str1 <= end_ptr) {
+    int i = 0;
+    while (1) {
+      if (str1[i] != str2[i]) {
+        break;
+      }
+      i++;
+      if (i == len2) {
+        return str1;
+      }
+    }
+    str1++;
+  }
+  return NULL;
+}
+FX_STRSIZE CFX_ByteString::Find(const CFX_ByteStringC& lpszSub,
+                                FX_STRSIZE nStart) const {
+  if (m_pData == NULL) {
+    return -1;
+  }
+  FX_STRSIZE nLength = m_pData->m_nDataLength;
+  if (nStart > nLength) {
+    return -1;
+  }
+  const FX_CHAR* lpsz =
+      FX_strstr(m_pData->m_String + nStart, m_pData->m_nDataLength - nStart,
+                lpszSub.GetCStr(), lpszSub.GetLength());
+  return (lpsz == NULL) ? -1 : (int)(lpsz - m_pData->m_String);
+}
+void CFX_ByteString::MakeLower() {
+  if (m_pData == NULL) {
+    return;
+  }
+  CopyBeforeWrite();
+  if (GetLength() < 1) {
+    return;
+  }
+  FXSYS_strlwr(m_pData->m_String);
+}
+void CFX_ByteString::MakeUpper() {
+  if (m_pData == NULL) {
+    return;
+  }
+  CopyBeforeWrite();
+  if (GetLength() < 1) {
+    return;
+  }
+  FXSYS_strupr(m_pData->m_String);
+}
+FX_STRSIZE CFX_ByteString::Remove(FX_CHAR chRemove) {
+  if (m_pData == NULL) {
+    return 0;
+  }
+  CopyBeforeWrite();
+  if (GetLength() < 1) {
+    return 0;
+  }
+  FX_CHAR* pstrSource = m_pData->m_String;
+  FX_CHAR* pstrDest = m_pData->m_String;
+  FX_CHAR* pstrEnd = m_pData->m_String + m_pData->m_nDataLength;
+  while (pstrSource < pstrEnd) {
+    if (*pstrSource != chRemove) {
+      *pstrDest = *pstrSource;
+      pstrDest++;
+    }
+    pstrSource++;
+  }
+  *pstrDest = 0;
+  FX_STRSIZE nCount = (FX_STRSIZE)(pstrSource - pstrDest);
+  m_pData->m_nDataLength -= nCount;
+  return nCount;
+}
+FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& lpszOld,
+                                   const CFX_ByteStringC& lpszNew) {
+  if (m_pData == NULL) {
+    return 0;
+  }
+  if (lpszOld.IsEmpty()) {
+    return 0;
+  }
+  FX_STRSIZE nSourceLen = lpszOld.GetLength();
+  FX_STRSIZE nReplacementLen = lpszNew.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 == NULL) {
+      break;
+    }
+    nCount++;
+    pStart = pTarget + nSourceLen;
+  }
+  if (nCount == 0) {
+    return 0;
+  }
+  FX_STRSIZE nNewLength =
+      m_pData->m_nDataLength + (nReplacementLen - nSourceLen) * nCount;
+  if (nNewLength == 0) {
+    Empty();
     return nCount;
-}
-FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& lpszOld, const CFX_ByteStringC& lpszNew)
-{
-    if (m_pData == NULL) {
-        return 0;
-    }
-    if (lpszOld.IsEmpty()) {
-        return 0;
-    }
-    FX_STRSIZE nSourceLen = lpszOld.GetLength();
-    FX_STRSIZE nReplacementLen = lpszNew.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 == NULL) {
-            break;
-        }
-        nCount++;
-        pStart = pTarget + nSourceLen;
-    }
-    if (nCount == 0) {
-        return 0;
-    }
-    FX_STRSIZE nNewLength =  m_pData->m_nDataLength + (nReplacementLen - nSourceLen) * nCount;
-    if (nNewLength == 0) {
-        Empty();
-        return nCount;
-    }
-    StringData* pNewData = StringData::Create(nNewLength);
-    if (!pNewData) {
-        return 0;
-    }
-    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);
-        FXSYS_memcpy(pDest, pStart, pTarget - pStart);
-        pDest += pTarget - pStart;
-        FXSYS_memcpy(pDest, lpszNew.GetCStr(), lpszNew.GetLength());
-        pDest += lpszNew.GetLength();
-        pStart = pTarget + nSourceLen;
-    }
-    FXSYS_memcpy(pDest, pStart, pEnd - pStart);
-    m_pData->Release();
-    m_pData = pNewData;
-    return nCount;
-}
-void CFX_ByteString::SetAt(FX_STRSIZE nIndex, FX_CHAR ch)
-{
-    if (m_pData == NULL) {
-        return;
-    }
-    FXSYS_assert(nIndex >= 0);
-    FXSYS_assert(nIndex < m_pData->m_nDataLength);
-    CopyBeforeWrite();
-    m_pData->m_String[nIndex] = ch;
-}
-CFX_WideString CFX_ByteString::UTF8Decode() const
-{
-    CFX_UTF8Decoder decoder;
-    for (FX_STRSIZE i = 0; i < GetLength(); i ++) {
-        decoder.Input((uint8_t)m_pData->m_String[i]);
-    }
-    return decoder.GetResult();
-}
-CFX_ByteString CFX_ByteString::FromUnicode(const FX_WCHAR* str, FX_STRSIZE len)
-{
-    if (len < 0) {
-        len = FXSYS_wcslen(str);
-    }
-    CFX_ByteString bstr;
-    bstr.ConvertFrom(CFX_WideString(str, len));
-    return bstr;
-}
-CFX_ByteString CFX_ByteString::FromUnicode(const CFX_WideString& str)
-{
-    return FromUnicode(str.c_str(), str.GetLength());
-}
-void CFX_ByteString::ConvertFrom(const CFX_WideString& str, CFX_CharMap* pCharMap)
-{
-    if (pCharMap == NULL) {
-        pCharMap = CFX_CharMap::GetDefaultMapper();
-    }
-    *this = (*pCharMap->m_GetByteString)(pCharMap, str);
-}
-int CFX_ByteString::Compare(const CFX_ByteStringC& str) const
-{
-    if (m_pData == NULL) {
-        return str.IsEmpty() ? 0 : -1;
-    }
-    int this_len = m_pData->m_nDataLength;
-    int that_len = str.GetLength();
-    int min_len = this_len < that_len ? this_len : that_len;
-    for (int i = 0; i < min_len; i ++) {
-        if ((uint8_t)m_pData->m_String[i] < str.GetAt(i)) {
-            return -1;
-        }
-        if ((uint8_t)m_pData->m_String[i] > str.GetAt(i)) {
-            return 1;
-        }
-    }
-    if (this_len < that_len) {
-        return -1;
-    }
-    if (this_len > that_len) {
-        return 1;
-    }
+  }
+  StringData* pNewData = StringData::Create(nNewLength);
+  if (!pNewData) {
     return 0;
-}
-void CFX_ByteString::TrimRight(const CFX_ByteStringC& lpszTargets)
-{
-    if (m_pData == NULL || lpszTargets.IsEmpty()) {
-        return;
-    }
-    CopyBeforeWrite();
-    FX_STRSIZE pos = GetLength();
-    if (pos < 1) {
-        return;
-    }
-    while (pos) {
-        FX_STRSIZE i = 0;
-        while (i < lpszTargets.GetLength() && lpszTargets[i] != m_pData->m_String[pos - 1]) {
-            i ++;
-        }
-        if (i == lpszTargets.GetLength()) {
-            break;
-        }
-        pos --;
-    }
-    if (pos < m_pData->m_nDataLength) {
-        m_pData->m_String[pos] = 0;
-        m_pData->m_nDataLength = pos;
-    }
-}
-void CFX_ByteString::TrimRight(FX_CHAR chTarget)
-{
-    TrimRight(CFX_ByteStringC(chTarget));
-}
-void CFX_ByteString::TrimRight()
-{
-    TrimRight(FX_BSTRC("\x09\x0a\x0b\x0c\x0d\x20"));
-}
-void CFX_ByteString::TrimLeft(const CFX_ByteStringC& lpszTargets)
-{
-    if (m_pData == NULL) {
-        return;
-    }
-    if (lpszTargets.IsEmpty()) {
-        return;
-    }
-    CopyBeforeWrite();
-    FX_STRSIZE len = GetLength();
-    if (len < 1) {
-        return;
-    }
-    FX_STRSIZE pos = 0;
-    while (pos < len) {
-        FX_STRSIZE i = 0;
-        while (i < lpszTargets.GetLength() && lpszTargets[i] != m_pData->m_String[pos]) {
-            i ++;
-        }
-        if (i == lpszTargets.GetLength()) {
-            break;
-        }
-        pos ++;
-    }
-    if (pos) {
-        FX_STRSIZE nDataLength = len - pos;
-        FXSYS_memmove(m_pData->m_String, m_pData->m_String + pos, (nDataLength + 1)*sizeof(FX_CHAR));
-        m_pData->m_nDataLength = nDataLength;
-    }
-}
-void CFX_ByteString::TrimLeft(FX_CHAR chTarget)
-{
-    TrimLeft(CFX_ByteStringC(chTarget));
-}
-void CFX_ByteString::TrimLeft()
-{
-    TrimLeft(FX_BSTRC("\x09\x0a\x0b\x0c\x0d\x20"));
-}
-FX_DWORD CFX_ByteString::GetID(FX_STRSIZE start_pos) const
-{
-    return CFX_ByteStringC(*this).GetID(start_pos);
-}
-FX_DWORD CFX_ByteStringC::GetID(FX_STRSIZE start_pos) const
-{
-    if (m_Length == 0) {
-        return 0;
-    }
-    if (start_pos < 0 || start_pos >= m_Length) {
-        return 0;
-    }
-    FX_DWORD strid = 0;
-    if (start_pos + 4 > m_Length) {
-        for (FX_STRSIZE i = 0; i < m_Length - start_pos; i ++) {
-            strid = strid * 256 + m_Ptr[start_pos + i];
-        }
-        strid = strid << ((4 - m_Length + start_pos) * 8);
-    } else {
-        for (int i = 0; i < 4; i ++) {
-            strid = strid * 256 + m_Ptr[start_pos + i];
-        }
-    }
-    return strid;
-}
-FX_STRSIZE FX_ftoa(FX_FLOAT d, FX_CHAR* buf)
-{
-    buf[0] = '0';
-    buf[1] = '\0';
-    if (d == 0.0f) {
-        return 1;
-    }
-    FX_BOOL bNegative = FALSE;
-    if (d < 0) {
-        bNegative = TRUE;
-        d = -d;
-    }
-    int scale = 1;
-    int scaled = FXSYS_round(d);
-    while (scaled < 100000) {
-        if (scale == 1000000) {
-            break;
-        }
-        scale *= 10;
-        scaled = FXSYS_round(d * scale);
-    }
-    if (scaled == 0) {
-        return 1;
-    }
-    char buf2[32];
-    int buf_size = 0;
-    if (bNegative) {
-        buf[buf_size++] = '-';
-    }
-    int i = scaled / scale;
-    FXSYS_itoa(i, buf2, 10);
-    FX_STRSIZE len = FXSYS_strlen(buf2);
-    FXSYS_memcpy(buf + buf_size, buf2, len);
-    buf_size += len;
-    int fraction = scaled % scale;
-    if (fraction == 0) {
-        return buf_size;
-    }
-    buf[buf_size++] = '.';
+  }
+  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);
+    FXSYS_memcpy(pDest, pStart, pTarget - pStart);
+    pDest += pTarget - pStart;
+    FXSYS_memcpy(pDest, lpszNew.GetCStr(), lpszNew.GetLength());
+    pDest += lpszNew.GetLength();
+    pStart = pTarget + nSourceLen;
+  }
+  FXSYS_memcpy(pDest, pStart, pEnd - pStart);
+  m_pData->Release();
+  m_pData = pNewData;
+  return nCount;
+}
+void CFX_ByteString::SetAt(FX_STRSIZE nIndex, FX_CHAR ch) {
+  if (m_pData == NULL) {
+    return;
+  }
+  FXSYS_assert(nIndex >= 0);
+  FXSYS_assert(nIndex < m_pData->m_nDataLength);
+  CopyBeforeWrite();
+  m_pData->m_String[nIndex] = ch;
+}
+CFX_WideString CFX_ByteString::UTF8Decode() const {
+  CFX_UTF8Decoder decoder;
+  for (FX_STRSIZE i = 0; i < GetLength(); i++) {
+    decoder.Input((uint8_t)m_pData->m_String[i]);
+  }
+  return decoder.GetResult();
+}
+CFX_ByteString CFX_ByteString::FromUnicode(const FX_WCHAR* str,
+                                           FX_STRSIZE len) {
+  if (len < 0) {
+    len = FXSYS_wcslen(str);
+  }
+  CFX_ByteString bstr;
+  bstr.ConvertFrom(CFX_WideString(str, len));
+  return bstr;
+}
+CFX_ByteString CFX_ByteString::FromUnicode(const CFX_WideString& str) {
+  return FromUnicode(str.c_str(), str.GetLength());
+}
+void CFX_ByteString::ConvertFrom(const CFX_WideString& str,
+                                 CFX_CharMap* pCharMap) {
+  if (pCharMap == NULL) {
+    pCharMap = CFX_CharMap::GetDefaultMapper();
+  }
+  *this = (*pCharMap->m_GetByteString)(pCharMap, str);
+}
+int CFX_ByteString::Compare(const CFX_ByteStringC& str) const {
+  if (m_pData == NULL) {
+    return str.IsEmpty() ? 0 : -1;
+  }
+  int this_len = m_pData->m_nDataLength;
+  int that_len = str.GetLength();
+  int min_len = this_len < that_len ? this_len : that_len;
+  for (int i = 0; i < min_len; i++) {
+    if ((uint8_t)m_pData->m_String[i] < str.GetAt(i)) {
+      return -1;
+    }
+    if ((uint8_t)m_pData->m_String[i] > str.GetAt(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& lpszTargets) {
+  if (m_pData == NULL || lpszTargets.IsEmpty()) {
+    return;
+  }
+  CopyBeforeWrite();
+  FX_STRSIZE pos = GetLength();
+  if (pos < 1) {
+    return;
+  }
+  while (pos) {
+    FX_STRSIZE i = 0;
+    while (i < lpszTargets.GetLength() &&
+           lpszTargets[i] != m_pData->m_String[pos - 1]) {
+      i++;
+    }
+    if (i == lpszTargets.GetLength()) {
+      break;
+    }
+    pos--;
+  }
+  if (pos < m_pData->m_nDataLength) {
+    m_pData->m_String[pos] = 0;
+    m_pData->m_nDataLength = pos;
+  }
+}
+void CFX_ByteString::TrimRight(FX_CHAR chTarget) {
+  TrimRight(CFX_ByteStringC(chTarget));
+}
+void CFX_ByteString::TrimRight() {
+  TrimRight(FX_BSTRC("\x09\x0a\x0b\x0c\x0d\x20"));
+}
+void CFX_ByteString::TrimLeft(const CFX_ByteStringC& lpszTargets) {
+  if (m_pData == NULL) {
+    return;
+  }
+  if (lpszTargets.IsEmpty()) {
+    return;
+  }
+  CopyBeforeWrite();
+  FX_STRSIZE len = GetLength();
+  if (len < 1) {
+    return;
+  }
+  FX_STRSIZE pos = 0;
+  while (pos < len) {
+    FX_STRSIZE i = 0;
+    while (i < lpszTargets.GetLength() &&
+           lpszTargets[i] != m_pData->m_String[pos]) {
+      i++;
+    }
+    if (i == lpszTargets.GetLength()) {
+      break;
+    }
+    pos++;
+  }
+  if (pos) {
+    FX_STRSIZE nDataLength = len - pos;
+    FXSYS_memmove(m_pData->m_String, m_pData->m_String + pos,
+                  (nDataLength + 1) * sizeof(FX_CHAR));
+    m_pData->m_nDataLength = nDataLength;
+  }
+}
+void CFX_ByteString::TrimLeft(FX_CHAR chTarget) {
+  TrimLeft(CFX_ByteStringC(chTarget));
+}
+void CFX_ByteString::TrimLeft() {
+  TrimLeft(FX_BSTRC("\x09\x0a\x0b\x0c\x0d\x20"));
+}
+FX_DWORD CFX_ByteString::GetID(FX_STRSIZE start_pos) const {
+  return CFX_ByteStringC(*this).GetID(start_pos);
+}
+FX_DWORD CFX_ByteStringC::GetID(FX_STRSIZE start_pos) const {
+  if (m_Length == 0) {
+    return 0;
+  }
+  if (start_pos < 0 || start_pos >= m_Length) {
+    return 0;
+  }
+  FX_DWORD strid = 0;
+  if (start_pos + 4 > m_Length) {
+    for (FX_STRSIZE i = 0; i < m_Length - start_pos; i++) {
+      strid = strid * 256 + m_Ptr[start_pos + i];
+    }
+    strid = strid << ((4 - m_Length + start_pos) * 8);
+  } else {
+    for (int i = 0; i < 4; i++) {
+      strid = strid * 256 + m_Ptr[start_pos + i];
+    }
+  }
+  return strid;
+}
+FX_STRSIZE FX_ftoa(FX_FLOAT d, FX_CHAR* buf) {
+  buf[0] = '0';
+  buf[1] = '\0';
+  if (d == 0.0f) {
+    return 1;
+  }
+  FX_BOOL bNegative = FALSE;
+  if (d < 0) {
+    bNegative = TRUE;
+    d = -d;
+  }
+  int scale = 1;
+  int scaled = FXSYS_round(d);
+  while (scaled < 100000) {
+    if (scale == 1000000) {
+      break;
+    }
+    scale *= 10;
+    scaled = FXSYS_round(d * scale);
+  }
+  if (scaled == 0) {
+    return 1;
+  }
+  char buf2[32];
+  int buf_size = 0;
+  if (bNegative) {
+    buf[buf_size++] = '-';
+  }
+  int i = scaled / scale;
+  FXSYS_itoa(i, buf2, 10);
+  FX_STRSIZE len = FXSYS_strlen(buf2);
+  FXSYS_memcpy(buf + buf_size, buf2, len);
+  buf_size += len;
+  int fraction = scaled % scale;
+  if (fraction == 0) {
+    return buf_size;
+  }
+  buf[buf_size++] = '.';
+  scale /= 10;
+  while (fraction) {
+    buf[buf_size++] = '0' + fraction / scale;
+    fraction %= scale;
     scale /= 10;
-    while (fraction) {
-        buf[buf_size++] = '0' + fraction / scale;
-        fraction %= scale;
-        scale /= 10;
-    }
-    return buf_size;
-}
-CFX_ByteString CFX_ByteString::FormatFloat(FX_FLOAT d, int precision)
-{
-    FX_CHAR buf[32];
-    FX_STRSIZE len = FX_ftoa(d, buf);
-    return CFX_ByteString(buf, len);
-}
+  }
+  return buf_size;
+}
+CFX_ByteString CFX_ByteString::FormatFloat(FX_FLOAT d, int precision) {
+  FX_CHAR buf[32];
+  FX_STRSIZE len = FX_ftoa(d, buf);
+  return CFX_ByteString(buf, len);
+}