LCOV - code coverage report
Current view: directory - rdf/base/src - rdfutil.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 35 4 11.4 %
Date: 2012-06-02 Functions: 3 1 33.3 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : /*
      39                 : 
      40                 :   Implementations for a bunch of useful RDF utility routines.  Many of
      41                 :   these will eventually be exported outside of RDF.DLL via the
      42                 :   nsIRDFService interface.
      43                 : 
      44                 :   TO DO
      45                 : 
      46                 :   1) Make this so that it doesn't permanently leak the RDF service
      47                 :      object.
      48                 : 
      49                 :   2) Make container functions thread-safe. They currently don't ensure
      50                 :      that the RDF:nextVal property is maintained safely.
      51                 : 
      52                 :  */
      53                 : 
      54                 : #include "nsCOMPtr.h"
      55                 : #include "nsIRDFDataSource.h"
      56                 : #include "nsIRDFNode.h"
      57                 : #include "nsIRDFService.h"
      58                 : #include "nsIServiceManager.h"
      59                 : #include "nsIURL.h"
      60                 : #include "nsIIOService.h"
      61                 : #include "nsIURL.h"
      62                 : #include "nsNetUtil.h"
      63                 : #include "nsRDFCID.h"
      64                 : #include "nsString.h"
      65                 : #include "nsXPIDLString.h"
      66                 : #include "nsUnicharUtils.h"
      67                 : #include "prtime.h"
      68                 : #include "rdfutil.h"
      69                 : 
      70                 : ////////////////////////////////////////////////////////////////////////
      71                 : 
      72                 : nsresult
      73             664 : rdf_MakeRelativeRef(const nsCSubstring& aBaseURI, nsCString& aURI)
      74                 : {
      75                 :     // This implementation is extremely simple: e.g., it can't compute
      76                 :     // relative paths, or anything fancy like that. If the context URI
      77                 :     // is not a prefix of the URI in question, we'll just bail.
      78             664 :     PRUint32 prefixLen = aBaseURI.Length();
      79             664 :     if (prefixLen != 0 && StringBeginsWith(aURI, aBaseURI)) {
      80               0 :         if (prefixLen < aURI.Length() && aURI.CharAt(prefixLen) == '/')
      81               0 :             ++prefixLen; // chop the leading slash so it's not `absolute'
      82                 : 
      83               0 :         aURI.Cut(0, prefixLen);
      84                 :     }
      85                 : 
      86             664 :     return NS_OK;
      87                 : }
      88                 : 
      89                 : void
      90               0 : rdf_FormatDate(PRTime aTime, nsACString &aResult)
      91                 : {
      92                 :     // Outputs Unixish date in GMT plus usecs; e.g.,
      93                 :     //   Wed Jan  9 19:15:13 2002 +002441
      94                 :     //
      95                 :     PRExplodedTime t;
      96               0 :     PR_ExplodeTime(aTime, PR_GMTParameters, &t);
      97                 : 
      98                 :     char buf[256];
      99               0 :     PR_FormatTimeUSEnglish(buf, sizeof buf, "%a %b %d %H:%M:%S %Y", &t);
     100               0 :     aResult.Append(buf);
     101                 : 
     102                 :     // usecs
     103               0 :     aResult.Append(" +");
     104               0 :     PRInt32 usec = t.tm_usec;
     105               0 :     for (PRInt32 digit = 100000; digit > 1; digit /= 10) {
     106               0 :         aResult.Append(char('0' + (usec / digit)));
     107               0 :         usec %= digit;
     108                 :     }
     109               0 :     aResult.Append(char('0' + usec));
     110               0 : }
     111                 : 
     112                 : PRTime
     113               0 : rdf_ParseDate(const nsACString &aTime)
     114                 : {
     115                 :     PRTime t;
     116               0 :     PR_ParseTimeString(PromiseFlatCString(aTime).get(), true, &t);
     117                 : 
     118               0 :     PRInt32 usec = 0;
     119                 : 
     120               0 :     nsACString::const_iterator begin, digit, end;
     121               0 :     aTime.BeginReading(begin);
     122               0 :     aTime.EndReading(end);
     123                 : 
     124                 :     // Walk backwards until we find a `+', run out of string, or a
     125                 :     // non-numeric character.
     126               0 :     digit = end;
     127               0 :     while (--digit != begin && *digit != '+') {
     128               0 :         if (*digit < '0' || *digit > '9')
     129               0 :             break;
     130                 :     }
     131                 : 
     132               0 :     if (digit != begin && *digit == '+') {
     133                 :         // There's a usec field specified (or, at least, something
     134                 :         // that looks close enough. Parse it, and add it to the time.
     135               0 :         while (++digit != end) {
     136               0 :             usec *= 10;
     137               0 :             usec += *digit - '0';
     138                 :         }
     139                 : 
     140                 :         PRTime temp;
     141               0 :         LL_I2L(temp, usec);
     142               0 :         LL_ADD(t, t, temp);
     143                 :     }
     144                 : 
     145               0 :     return t;
     146                 : }

Generated by: LCOV version 1.7