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lightning-sunbird  0.9+nobinonly
nsSVGFeatures.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 // vim:cindent:ts=2:et:sw=2:
00003 /* ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is the Mozilla SVG project.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Scooter Morris <scootermorris@comcast.net>.
00020  * Portions created by the Initial Developer are Copyright (C) 2004
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Scooter Morris <scootermorris@comcast.net>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
00028  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
00030  * of those above. If you wish to allow use of your version of this file only
00031  * under the terms of either the GPL or the LGPL, and not to allow others to
00032  * use your version of this file under the terms of the MPL, indicate your
00033  * decision by deleting the provisions above and replace them with the notice
00034  * and other provisions required by the GPL or the LGPL. If you do not delete
00035  * the provisions above, a recipient may use your version of this file under
00036  * the terms of any one of the MPL, the GPL or the LGPL.
00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #include "nsString.h"
00041 #include "nsSVGUtils.h"
00042 
00043 // Test to see if a feature is implemented
00044 PRBool
00045 NS_SVG_TestFeature(const nsAString& fstr) {
00046   if (!nsSVGUtils::SVGEnabled()) {
00047     return PR_FALSE;
00048   }
00049   nsAutoString lstr(fstr);
00050   lstr.StripWhitespace();
00051 
00052 #ifdef DEBUG_scooter
00053   NS_ConvertUTF16toUTF8 feature(lstr);
00054   printf("NS_SVG_TestFeature: testing for %s\n", feature.get());
00055 #endif
00056 
00057 #define SVG_SUPPORTED_FEATURE(str) if (lstr.Equals(NS_LITERAL_STRING(str).get())) return PR_TRUE;
00058 #define SVG_UNSUPPORTED_FEATURE(str)
00059 #include "nsSVGFeaturesList.h"
00060 #undef SVG_SUPPORTED_FEATURE
00061 #undef SVG_UNSUPPORTED_FEATURE
00062   return PR_FALSE;
00063 }
00064 
00065 // Test to see if a list of features are implemented
00066 PRBool
00067 NS_SVG_TestFeatures(const nsAString& fstr) {
00068   nsAutoString lstr(fstr);
00069   // Get an iterator on the string
00070   PRInt32 vbegin = 0;
00071   PRInt32 vlen = lstr.Length();
00072   while (vbegin < vlen) {
00073     PRInt32 vend = lstr.FindChar(PRUnichar(' '), vbegin);
00074     if (vend == kNotFound) {
00075       vend = vlen;
00076     }
00077     if (NS_SVG_TestFeature(Substring(lstr, vbegin, vend-vbegin)) == PR_FALSE) {
00078       return PR_FALSE;
00079     }
00080     vbegin = vend+1;
00081   }
00082   return PR_TRUE;
00083 }