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      1 /*
      2  * (C) 1999-2003 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #include "config.h"
     22 #include "FontFamilyValue.h"
     23 
     24 #include "CSSParser.h"
     25 
     26 namespace WebCore {
     27 
     28 FontFamilyValue::FontFamilyValue(const String& familyName)
     29     : CSSPrimitiveValue(String(), CSS_STRING)
     30     , m_familyName(familyName)
     31 {
     32     // If there is anything in parentheses or square brackets at the end, delete it.
     33     // FIXME: Do we really need this? The original code mentioned "a language tag in
     34     // braces at the end" and "[Xft] qualifiers", but it's not clear either of those
     35     // is in active use on the web.
     36     unsigned length = m_familyName.length();
     37     while (length >= 3) {
     38         UChar startCharacter = 0;
     39         switch (m_familyName[length - 1]) {
     40             case ']':
     41                 startCharacter = '[';
     42                 break;
     43             case ')':
     44                 startCharacter = '(';
     45                 break;
     46         }
     47         if (!startCharacter)
     48             break;
     49         unsigned first = 0;
     50         for (unsigned i = length - 2; i > 0; --i) {
     51             if (m_familyName[i - 1] == ' ' && m_familyName[i] == startCharacter)
     52                 first = i - 1;
     53         }
     54         if (!first)
     55             break;
     56         length = first;
     57     }
     58     m_familyName.truncate(length);
     59 }
     60 
     61 void FontFamilyValue::appendSpaceSeparated(const UChar* characters, unsigned length)
     62 {
     63     m_familyName.append(' ');
     64     m_familyName.append(characters, length);
     65 }
     66 
     67 String FontFamilyValue::cssText() const
     68 {
     69     return quoteCSSStringIfNeeded(m_familyName);
     70 }
     71 
     72 }
     73