//++ ------------------------------------------------------------------------------------
// Details: Get string with backslashes in front of double quote '"' and backslash '\\'
// characters.
// Type: Method.
// Args: None.
// Return: CMIUtilString - The wrapped version of the initial string.
// Throws: None.
//--
CMIUtilString
CMIUtilString::AddSlashes(void) const
{
const char cBckSlash('\\');
const size_t nLen(length());
CMIUtilString strNew;
strNew.reserve(nLen);
size_t nOffset(0);
while (nOffset < nLen)
{
const size_t nUnescapedCharPos(find_first_of("\"\\", nOffset));
const bool bUnescapedCharNotFound(nUnescapedCharPos == std::string::npos);
if (bUnescapedCharNotFound)
{
const size_t nAppendAll(std::string::npos);
strNew.append(*this, nOffset, nAppendAll);
break;
}
const size_t nAppendLen(nUnescapedCharPos - nOffset);
strNew.append(*this, nOffset, nAppendLen);
strNew.push_back(cBckSlash);
const char cUnescapedChar((*this)[nUnescapedCharPos]);
strNew.push_back(cUnescapedChar);
nOffset = nUnescapedCharPos + 1;
}
return strNew;
}
//++
// Details: Remove backslashes added by CMIUtilString::AddSlashes.
// Type: Method.
// Args: None.
// Return: CMIUtilString - The initial version of wrapped string.
// Throws: None.
//--
CMIUtilString CMIUtilString::StripSlashes() const {
const char cBckSlash('\\');
const size_t nLen(length());
CMIUtilString strNew;
strNew.reserve(nLen);
size_t nOffset(0);
while (nOffset < nLen) {
const size_t nBckSlashPos(find(cBckSlash, nOffset));
const bool bBckSlashNotFound(nBckSlashPos == std::string::npos);
if (bBckSlashNotFound) {
const size_t nAppendAll(std::string::npos);
strNew.append(*this, nOffset, nAppendAll);
break;
}
const size_t nAppendLen(nBckSlashPos - nOffset);
strNew.append(*this, nOffset, nAppendLen);
const bool bBckSlashIsLast(nBckSlashPos == nLen);
if (bBckSlashIsLast) {
strNew.push_back(cBckSlash);
break;
}
const char cEscapedChar((*this)[nBckSlashPos + 1]);
const size_t nEscapedCharPos(std::string("\"\\").find(cEscapedChar));
const bool bEscapedCharNotFound(nEscapedCharPos == std::string::npos);
if (bEscapedCharNotFound)
strNew.push_back(cBckSlash);
strNew.push_back(cEscapedChar);
nOffset = nBckSlashPos + 2;
}
return strNew;
}
