nb000's CSS checker - error and warning messages

Error Messages

Here are all the error messages the program can produce with a little info for each.

• 1001 -
  There is a character that does not belong there for sure.
  This parser is more restrictive then the CSS standard,
  non-english chars are only allowed in comments.
  Maybe You wanted it to be in a comment.
  In CSS the only comment style is /* */ therefor js-like // is not working.
  
  
• 2001 -
  In the CSS file all quotes (") must appear in pairs.
  If an unpaired quote is found, then the CSS file cannot be checked.
  
  
• 2002 -
  In the CSS file all apostrophes (') must appear in pairs.
  If an unpaired one is found, then the CSS file cannot be checked.
  
  
• 2501 -
  One (or some or all) of the three numbers are too small or too big.
  See the example in the code above.
  
  
• 2502 -
  The accepted syntax is: url("path/file_name.ext")
  or: url('path\file_name.ext')
  The CSS 2 specification allows ommiting the quotes
  or to put spaces instead (or around) of them,
  but this parser does not accept theese (yet).
  
  
• 3001 -
  The legal format of this at-rule is: @charset "<charset>";
  The <charset> is a name of a charset, for example: utf-8, iso-8859-1, ...
  It may occur only in the 1st line, but this is not checked yet.
  
  
• 3002 -
  This property can not have this value.
  For example:
  'font-size' can not be '30őx'.
  (It could be '30px'. Note that 'ő' is next to 'p' on the keyboard.)
  
  
• 3100 -
  After a CSS property a colon (:) is expected.
  If something other comes, the parser will stop.
  
  
• 3101 -
  After a property and a colon (:) the value for the propery is expected.
  If anything other follows, the parser will stop.
  
  
• 3102 -
  After a CSS property a colon (:) is expected.
  If something other comes, the parser will stop.
  
  
• 3103 -
  After a CSS property and a colon (:) some CSS value is expected.
  If something other comes, the parser will stop.
  
  
• 3104 -
  In the top level only at-rules and selectors can appear.
  Anything else makes the parser stop.
  
  
• 3105 -
  After the list-style-type property name a list-style-type value is expected.
  Good example:
  list-style-type: circle;
  Bad example:
  list-style-type: 20px;
  
  
• 3106 -
  After some selectors and an opening brace ({) a CSS property is expected.
  Anything else makes the parser stop.
  
  
• 3107 -
  After one (or more) selector(s) an opening brace must occur.
  Else we have an invalid syntax and the parser stops.
  
  
• 3300 -
  In a border-* shorthand property width was given twice.
  Where * may be left, right, top or bottom.
  Example: border-left: 0 10px green;
  
  
• 3301 -
  In a border-* shorthand property style was given twice.,
  Where * may be left, right, top or bottom.
  Example: border-left: solid red dashed;
  
  
• 3302 -
  In a border-* shorthand property color was given twice.
  Where * may be left, right, top or bottom.
  Example: border-left: red 10px green;
  
  

Warning Messages

Here are all the warning messages the program can produce with a little info for each.

• 5001 -
  At the end of each property-value pair there should be semicolon.
  Even if there is only one pair in the section.
  It will be easier later to add more rules.
  
  
• 5002 -
  You got something like: .selector {}
  This is not illegal only useless.
  
  
• 5003 -
  Not all common browsers support this shorthand property well.
  It is not checked by this program either.
  
  
• 5004 -
  The CSS files that are included using import at-rules are not checked.