public void AddDeclaration(LinkedList<CSSSelector> selectors, CSSRuleSet rules)
{
AddDeclaration(new CSSDeclaration(selectors, rules));
}
public CSSDeclaration(LinkedList<CSSSelector> selectors, CSSRuleSet ruleset)
{
p_Selectors = selectors;
p_Ruleset = ruleset;
}
public CSSDeclaration(CSSRuleSet ruleset)
{
p_Selectors = new LinkedList<CSSSelector>();
p_Ruleset = ruleset;
}
public CSSDeclaration(LinkedList<CSSSelector> selectors)
{
p_Selectors = selectors;
p_Ruleset = new CSSRuleSet();
}
public CSSDeclaration()
{
p_Ruleset = new CSSRuleSet();
p_Selectors = new LinkedList<CSSSelector>();
}
public static CSSRuleSet Parse(ref byte* data, byte* dataEnd, Encoding encoder)
{
//define the rule set we add everything to
CSSRuleSet buffer = new CSSRuleSet();
//read the data
while (data < dataEnd) {
#region skip comments
//block comment? (/**/)
if (*data == '/' && data < dataEnd - 2 && *(data + 1) == '*') {
//skip to the end of the block comment
while (data < dataEnd - 2) {
if (*data == '*' && *(data + 1) == '/') { data += 2; break; }
data++;
}
}
#endregion
//we hit the end of a scope?
if (*data == '}') { break; }
//have we hit an alphadecimal character?
if (isNameValueCharacter(*data)) {
#region read the name
byte* nameStart = data;
byte* nameEnd = dataEnd - 1;
while (data < dataEnd) {
if (!isNameValueCharacter(*data) || *data == ':') {
nameEnd = data - 1;
break;
}
data++;
}
#endregion
//find the ":" character which seperates the name and value
while (data < dataEnd && *data++ != ':') ;
//skip to the beginning of the value
while (data < dataEnd && !isNameValueCharacter(*data)) { data++; }
#region read the value
byte* valueStart = data;
byte* valueEnd = dataEnd - 1;
bool important = false;
while (data < dataEnd) {
if (*data == ';' || *data == '}') { valueEnd = data - 1; break; }
#region !important?
if (*data == '!' && data < dataEnd - IMPORTANT_STRING_LENGTH) {
//read and compare the upcoming data with the "important" string
byte* dataCopy = data + 1;
byte* dataCopyEnd = data + IMPORTANT_STRING_LENGTH;
byte* impCopy = IMPORTANT_STRING;
bool match = true;
while (dataCopy < dataCopyEnd) {
if (toLower(*dataCopy++) != *impCopy++) {
match = false;
break;
}
}
//match? if so, we do not have the !important inside the value
//so we finish reading the value here.
if (match) {
important = true;
valueEnd = data - 1;
break;
}
}
#endregion
//string open?
if (*data == '"' || *data == '\'') {
//skip over it
byte closeStr = *data++;
while (data < dataEnd) {
if (*data == '\\') { data += 2; continue; }
if (*data == closeStr) { break; }
data++;
}
}
data++;
}
//trim the value (remove the whitespaces at the end of the value)
while (!isNameValueCharacter(*valueEnd)) { valueEnd--; }
#endregion
//skip to the rule seperate (;)
while (data < dataEnd && *data != ';' && *data != '}') { data++; }
//create the rule
buffer.AddRule(
Helpers.ReadString(nameStart, nameEnd, encoder),
Helpers.ReadString(valueStart, valueEnd, encoder),
important);
//hit the end of this ruleset?
if (*data == '}') { break; }
}
//skip to the next character
data++;
}
//clean up
return buffer;
}
