// SetValue
// Given a key, a value and a section, this function will attempt to locate the
// Key within the given section, and if it finds it, change the keys value to
// the new value. If it does not locate the key, it will create a new key with
// the proper value and place it in the section requested.
bool CDataFile::SetValue(t_Str szKey, t_Str szValue, t_Str szComment, t_Str szSection)
{
t_Key* pKey = GetKey(szKey, szSection);
t_Section* pSection = GetSection(szSection);
if (pSection == NULL)
{
if ( !(m_Flags & AUTOCREATE_SECTIONS) || !CreateSection(szSection,""))
return false;
pSection = GetSection(szSection);
}
// Sanity check...
if ( pSection == NULL )
return false;
// if the key does not exist in that section, and the value passed
// is not t_Str("") then add the new key.
if ( pKey == NULL && szValue.size() > 0 && (m_Flags & AUTOCREATE_KEYS))
{
t_Key Key;
Key.szKey = szKey;
Key.szValue = szValue;
Key.szComment = szComment;
m_bDirty = true;
pSection->Keys.PushBack(Key);
pKey = GetKey(szKey, szSection);
return true;
}
if ( pKey != NULL )
{
pKey->szValue = szValue;
pKey->szComment = szComment;
m_bDirty = true;
return true;
}
return false;
}
t_Str CDataFile::CommentStr(t_Str szComment)
{
t_Str szNewStr = t_Str("");
Trim(szComment);
if ( szComment.size() == 0 )
return szComment;
if ( szComment.find_first_of(CommentIndicators) != 0 )
{
szNewStr = CommentIndicators[0];
szNewStr += " ";
}
szNewStr += szComment;
return szNewStr;
}
t_Str CDataFile::CommentStr(t_Str szComment)
{
t_Str szNewStr = t_Str("");
Trim(szComment);
if ( szComment.size() == 0 )
return szComment;
if ( szComment.find(CommentIndicators[0]) == gedString::npos && szComment.find(CommentIndicators[1]) == gedString::npos)
{
szNewStr = (char)CommentIndicators[0];
szNewStr += " ";
}
szNewStr += szComment;
return szNewStr;
}
// Trim
// Trims whitespace from both sides of a string.
void Trim(t_Str& szStr)
{
t_Str szTrimChars = WhiteSpace;
szTrimChars += EqualIndicators;
int nPos, rPos;
// trim left
nPos = szStr.find_first_not_of(szTrimChars);
if ( nPos > 0 )
szStr.erase(0, nPos);
// trim right and return
nPos = szStr.find_last_not_of(szTrimChars);
rPos = szStr.find_last_of(szTrimChars);
if ( rPos > nPos && rPos > -1)
szStr.erase(rPos, szStr.size()-rPos);
}