float
ParseKeyFrameTime( const float length, const Ogre::String& string )
{
float res = 0;
if( string.at( string.size() - 1 ) == '%' )
{
res = length * Ogre::StringConverter::parseReal( string.substr( 0, string.size() - 1 ) ) / 100;
}
else
{
res = Ogre::StringConverter::parseReal( string );
}
return res;
}
void
ParsePersent( float& value_percent, float& value, const Ogre::String& string )
{
if( string.at( string.size() - 1 ) == '%' )
{
value_percent = Ogre::StringConverter::parseReal( string.substr( 0, string.size() - 1 ) );
value = 0;
}
else
{
Ogre::StringVector param = Ogre::StringUtil::split( string, "%" );
if( param.size() > 1 )
{
value_percent = Ogre::StringConverter::parseReal( param[ 0 ] );
value = Ogre::StringConverter::parseReal( param[ 1 ] );
}
else
{
value_percent = 0;
value = Ogre::StringConverter::parseReal( string );
}
}
}
Ogre::StringVector
StringTokenise(const Ogre::String& str, const Ogre::String& delimiters, const Ogre::String& delimiters_preserve, const Ogre::String& quote, const Ogre::String& esc)
{
Ogre::StringVector ret;
Ogre::String::size_type pos = 0; // the current position (char) in the string
char ch = 0; // buffer for the current character
char delimiter = 0; // the buffer for the delimiter char which
// will be added to the tokens if the delimiter
// is preserved
char current_quote = 0; // the char of the current open quote
bool quoted = false; // indicator if there is an open quote
Ogre::String token; // string buffer for the token
bool token_complete = false; // indicates if the current token is
// read to be added to the result vector
Ogre::String::size_type len = str.length(); // length of the input-string
// for every char in the input-string
while(len > pos)
{
// get the character of the string and reset the delimiter buffer
ch = str.at(pos);
delimiter = 0;
// assume ch isn't a delimiter
bool add_char = true;
// check ...
// ... if the delimiter is an escaped character
bool escaped = false; // indicates if the next char is protected
if(esc.empty() == false) // check if esc-chars are provided
{
if(esc.find_first_of(ch) != std::string::npos)
{
// get the escaped char
++pos;
if(pos < len) // if there are more chars left
{
// get the next one
ch = str.at(pos);
// add the escaped character to the token
add_char = true;
}
else // cannot get any more characters
{
// don't add the esc-char
add_char = false;
}
// ignore the remaining delimiter checks
escaped = true;
}
}
// ... if the delimiter is a quote
if(quote.empty() == false && escaped == false)
{
// if quote chars are provided and the char isn't protected
if(quote.find_first_of(ch) != std::string::npos)
{
// if not quoted, set state to open quote and set
// the quote character
if(quoted == false)
{
quoted = true;
current_quote = ch;
// don't add the quote-char to the token
add_char = false;
}
else // if quote is open already
{
// check if it is the matching character to close it
if(current_quote == ch)
{
// close quote and reset the quote character
quoted = false;
current_quote = 0;
// don't add the quote-char to the token
add_char = false;
}
}
}
}
// if the delimiter isn't preserved
if(delimiters.empty() == false && escaped == false && quoted == false)
{
// if a delimiter is provided and the char isn't protected by
// quote or escape char
if(delimiters.find_first_of(ch) != std::string::npos)
{
// if ch is a delimiter and the token string isn't empty
// the token is complete
if(token.empty() == false)
{
token_complete = true;
}
// don't add the delimiter to the token
add_char = false;
}
}
// if the delimiter is preserved - add it as a token
bool add_delimiter = false;
if(delimiters_preserve.empty() == false && escaped == false && quoted == false)
{
// if a delimiter which will be preserved is provided and the
// char isn't protected by quote or escape char
if(delimiters_preserve.find_first_of(ch) != std::string::npos)
{
// if ch is a delimiter and the token string isn't empty the token is complete
if(token.empty() == false)
{
token_complete = true;
}
// don't add the delimiter to the token
add_char = false;
// add the delimiter
delimiter = ch;
add_delimiter = true;
}
}
// add the character to the token
if(add_char == true)
{
// add the current char
token.push_back(ch);
}
// add the token if it is complete
if(token_complete == true && token.empty() == false)
{
// add the token string
ret.push_back(token);
// clear the contents
token.clear();
// build the next token
token_complete = false;
}
// add the delimiter
if(add_delimiter == true)
{
// the next token is the delimiter
Ogre::String delim_token;
delim_token.push_back(delimiter);
ret.push_back(delim_token);
}
// repeat for the next character
++pos;
}
// add the final token
if(token.empty() == false)
{
ret.push_back(token);
}
return ret;
}