LCOV - code coverage report
Current view: top level - ucb/source/ucp/webdav-neon - LockSequence.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 143 0.0 %
Date: 2014-04-14 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*************************************************************************
       3             :  *
       4             :  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       5             :  *
       6             :  * Copyright 2000, 2010 Oracle and/or its affiliates.
       7             :  *
       8             :  * OpenOffice.org - a multi-platform office productivity suite
       9             :  *
      10             :  * This file is part of OpenOffice.org.
      11             :  *
      12             :  * OpenOffice.org is free software: you can redistribute it and/or modify
      13             :  * it under the terms of the GNU Lesser General Public License version 3
      14             :  * only, as published by the Free Software Foundation.
      15             :  *
      16             :  * OpenOffice.org is distributed in the hope that it will be useful,
      17             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      18             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19             :  * GNU Lesser General Public License version 3 for more details
      20             :  * (a copy is included in the LICENSE file that accompanied this code).
      21             :  *
      22             :  * You should have received a copy of the GNU Lesser General Public License
      23             :  * version 3 along with OpenOffice.org.  If not, see
      24             :  * <http://www.openoffice.org/license.html>
      25             :  * for a copy of the LGPLv3 License.
      26             :  *
      27             :  ************************************************************************/
      28             : 
      29             : #include <config_lgpl.h>
      30             : #include <string.h>
      31             : #include <ne_xml.h>
      32             : #include "LockSequence.hxx"
      33             : 
      34             : using namespace webdav_ucp;
      35             : using namespace com::sun::star;
      36             : 
      37             : #define BEEHIVE_BUGS_WORKAROUND
      38             : 
      39             : 
      40             : 
      41             : struct LockSequenceParseContext
      42             : {
      43             :     ucb::Lock * pLock;
      44             :     bool hasLockScope;
      45             :     bool hasLockType;
      46             :     bool hasDepth;
      47             :     bool hasHREF;
      48             :     bool hasTimeout;
      49             : 
      50           0 :     LockSequenceParseContext()
      51             :     : pLock( 0 ), hasLockScope( false ), hasLockType( false ),
      52           0 :       hasDepth( false ), hasHREF( false ), hasTimeout( false ) {}
      53             : 
      54           0 :     ~LockSequenceParseContext() { delete pLock; }
      55             : };
      56             : 
      57             : #define STATE_TOP (1)
      58             : 
      59             : #define STATE_ACTIVELOCK    (STATE_TOP)
      60             : #define STATE_LOCKSCOPE     (STATE_TOP + 1)
      61             : #define STATE_LOCKTYPE      (STATE_TOP + 2)
      62             : #define STATE_DEPTH         (STATE_TOP + 3)
      63             : #define STATE_OWNER         (STATE_TOP + 4)
      64             : #define STATE_TIMEOUT       (STATE_TOP + 5)
      65             : #define STATE_LOCKTOKEN     (STATE_TOP + 6)
      66             : #define STATE_EXCLUSIVE     (STATE_TOP + 7)
      67             : #define STATE_SHARED        (STATE_TOP + 8)
      68             : #define STATE_WRITE         (STATE_TOP + 9)
      69             : #define STATE_HREF          (STATE_TOP + 10)
      70             : 
      71             : 
      72           0 : extern "C" int LockSequence_startelement_callback(
      73             :     void *,
      74             :     int parent,
      75             :     const char * /*nspace*/,
      76             :     const char *name,
      77             :     const char ** )
      78             : {
      79           0 :     if ( name != 0 )
      80             :     {
      81           0 :         switch ( parent )
      82             :         {
      83             :             case NE_XML_STATEROOT:
      84           0 :                 if ( strcmp( name, "activelock" ) == 0 )
      85           0 :                     return STATE_ACTIVELOCK;
      86           0 :                 break;
      87             : 
      88             :             case STATE_ACTIVELOCK:
      89           0 :                 if ( strcmp( name, "lockscope" ) == 0 )
      90           0 :                     return STATE_LOCKSCOPE;
      91           0 :                 else if ( strcmp( name, "locktype" ) == 0 )
      92           0 :                     return STATE_LOCKTYPE;
      93           0 :                 else if ( strcmp( name, "depth" ) == 0 )
      94           0 :                     return STATE_DEPTH;
      95           0 :                 else if ( strcmp( name, "owner" ) == 0 )
      96           0 :                     return STATE_OWNER;
      97           0 :                 else if ( strcmp( name, "timeout" ) == 0 )
      98           0 :                     return STATE_TIMEOUT;
      99           0 :                 else if ( strcmp( name, "locktoken" ) == 0 )
     100           0 :                     return STATE_LOCKTOKEN;
     101           0 :                 break;
     102             : 
     103             :             case STATE_LOCKSCOPE:
     104           0 :                 if ( strcmp( name, "exclusive" ) == 0 )
     105           0 :                     return STATE_EXCLUSIVE;
     106           0 :                 else if ( strcmp( name, "shared" ) == 0 )
     107           0 :                     return STATE_SHARED;
     108           0 :                 break;
     109             : 
     110             :             case STATE_LOCKTYPE:
     111           0 :                 if ( strcmp( name, "write" ) == 0 )
     112           0 :                     return STATE_WRITE;
     113           0 :                 break;
     114             : 
     115             :             case STATE_LOCKTOKEN:
     116           0 :                 if ( strcmp( name, "href" ) == 0 )
     117           0 :                     return STATE_HREF;
     118           0 :                 break;
     119             : 
     120             :             case STATE_OWNER:
     121             :                 // owner elem contains ANY. Accept anything; no state change.
     122           0 :                 return STATE_OWNER;
     123             :         }
     124             :     }
     125           0 :     return NE_XML_DECLINE;
     126             : }
     127             : 
     128             : 
     129           0 : extern "C" int LockSequence_chardata_callback(
     130             :     void *userdata,
     131             :     int state,
     132             : #ifdef BEEHIVE_BUGS_WORKAROUND
     133             :     const char *buf1,
     134             : #else
     135             :     const char *buf,
     136             : #endif
     137             :     size_t len )
     138             : {
     139             :     LockSequenceParseContext * pCtx
     140           0 :                     = static_cast< LockSequenceParseContext * >( userdata );
     141           0 :     if ( !pCtx->pLock )
     142           0 :         pCtx->pLock = new ucb::Lock;
     143             : 
     144             : #ifdef BEEHIVE_BUGS_WORKAROUND
     145             :     // Beehive sends XML values containing trailing newlines.
     146           0 :     if ( buf1[ len - 1 ] == 0x0a )
     147           0 :         len--;
     148             : 
     149           0 :     char * buf = new char[ len + 1 ]();
     150           0 :     strncpy( buf, buf1, len );
     151             : #endif
     152             : 
     153           0 :     switch ( state )
     154             :     {
     155             :         case STATE_DEPTH:
     156           0 :             if ( rtl_str_compareIgnoreAsciiCase_WithLength(
     157           0 :                     buf, len, "0", 1 ) == 0 )
     158             :             {
     159           0 :                 pCtx->pLock->Depth = ucb::LockDepth_ZERO;
     160           0 :                 pCtx->hasDepth = true;
     161             :             }
     162           0 :             else if ( rtl_str_compareIgnoreAsciiCase_WithLength(
     163           0 :                     buf, len, "1", 1 ) == 0 )
     164             :             {
     165           0 :                 pCtx->pLock->Depth = ucb::LockDepth_ONE;
     166           0 :                 pCtx->hasDepth = true;
     167             :             }
     168           0 :             else if ( rtl_str_compareIgnoreAsciiCase_WithLength(
     169           0 :                     buf, len, "infinity", 8 ) == 0 )
     170             :             {
     171           0 :                 pCtx->pLock->Depth = ucb::LockDepth_INFINITY;
     172           0 :                 pCtx->hasDepth = true;
     173             :             }
     174             :             else
     175             :                 OSL_FAIL( "LockSequence_chardata_callback - Unknown depth!" );
     176           0 :             break;
     177             : 
     178             :         case STATE_OWNER:
     179             :         {
     180             :             // collect raw XML data... (owner contains ANY)
     181           0 :             OUString aValue;
     182           0 :             pCtx->pLock->Owner >>= aValue;
     183           0 :             aValue += OUString( buf, len, RTL_TEXTENCODING_ASCII_US );
     184           0 :             pCtx->pLock->Owner <<= aValue;
     185           0 :             break;
     186             :         }
     187             : 
     188             :         case STATE_TIMEOUT:
     189             : 
     190             :             //  RFC2518, RFC2616:
     191             : 
     192             :             //  TimeType = ("Second-" DAVTimeOutVal | "Infinite" | Other)
     193             :             //  DAVTimeOutVal = 1*digit
     194             :             //  Other = "Extend" field-value
     195             :             //  field-value = *( field-content | LWS )
     196             :             //  field-content = <the OCTETs making up the field-value
     197             :             //                  and consisting of either *TEXT or combinations
     198             :             //                  of token, separators, and quoted-string>
     199             : 
     200           0 :             if ( rtl_str_compareIgnoreAsciiCase_WithLength(
     201           0 :                     buf, len, "Infinite", 8 ) == 0 )
     202             :             {
     203           0 :                 pCtx->pLock->Timeout = sal_Int64( -1 );
     204           0 :                 pCtx->hasTimeout = true;
     205             :             }
     206           0 :             else if ( rtl_str_shortenedCompareIgnoreAsciiCase_WithLength(
     207           0 :                                             buf, len, "Second-", 7, 7 ) == 0 )
     208             :             {
     209             :                 pCtx->pLock->Timeout
     210           0 :                     = OString( buf + 7, len - 7 ).toInt64();
     211           0 :                 pCtx->hasTimeout = true;
     212             :             }
     213             : //          else if ( rtl_str_shortenedCompareIgnoreCase_WithLength(
     214             : //                                          buf, len, "Extend", 6, 6 ) == 0 )
     215             : //          {
     216             : //              @@@
     217             : //          }
     218             :             else
     219             :             {
     220           0 :                 pCtx->pLock->Timeout = sal_Int64( -1 );
     221           0 :                 pCtx->hasTimeout = true;
     222             :                 OSL_FAIL( "LockSequence_chardata_callback - Unknown timeout!" );
     223             :             }
     224           0 :             break;
     225             : 
     226             :         case STATE_HREF:
     227             :         {
     228             :             // collect hrefs.
     229           0 :             sal_Int32 nPos = pCtx->pLock->LockTokens.getLength();
     230           0 :             pCtx->pLock->LockTokens.realloc( nPos + 1 );
     231           0 :             pCtx->pLock->LockTokens[ nPos ]
     232           0 :                 = OUString( buf, len, RTL_TEXTENCODING_ASCII_US );
     233           0 :             pCtx->hasHREF = true;
     234           0 :             break;
     235             :         }
     236             : 
     237             :     }
     238             : 
     239             : #ifdef BEEHIVE_BUGS_WORKAROUND
     240           0 :     delete [] buf;
     241             : #endif
     242             : 
     243           0 :     return 0; // zero to continue, non-zero to abort parsing
     244             : }
     245             : 
     246             : 
     247           0 : extern "C" int LockSequence_endelement_callback(
     248             :     void *userdata,
     249             :     int state,
     250             :     const char *,
     251             :     const char * )
     252             : {
     253             :     LockSequenceParseContext * pCtx
     254           0 :                     = static_cast< LockSequenceParseContext * >( userdata );
     255           0 :     if ( !pCtx->pLock )
     256           0 :         pCtx->pLock = new ucb::Lock;
     257             : 
     258           0 :     switch ( state )
     259             :     {
     260             :         case STATE_EXCLUSIVE:
     261           0 :             pCtx->pLock->Scope = ucb::LockScope_EXCLUSIVE;
     262           0 :             pCtx->hasLockScope = true;
     263           0 :             break;
     264             : 
     265             :         case STATE_SHARED:
     266           0 :             pCtx->pLock->Scope = ucb::LockScope_SHARED;
     267           0 :             pCtx->hasLockScope = true;
     268           0 :             break;
     269             : 
     270             :         case STATE_WRITE:
     271           0 :             pCtx->pLock->Type = ucb::LockType_WRITE;
     272           0 :             pCtx->hasLockType = true;
     273           0 :             break;
     274             : 
     275             :         case STATE_DEPTH:
     276           0 :             if ( !pCtx->hasDepth )
     277           0 :                 return 1; // abort
     278           0 :             break;
     279             : 
     280             :         case STATE_HREF:
     281           0 :             if ( !pCtx->hasHREF )
     282           0 :                 return 1; // abort
     283           0 :             break;
     284             : 
     285             :         case STATE_TIMEOUT:
     286           0 :             if ( !pCtx->hasTimeout )
     287           0 :                 return 1; // abort
     288           0 :             break;
     289             : 
     290             :         case STATE_LOCKSCOPE:
     291           0 :             if ( !pCtx->hasLockScope )
     292           0 :                 return 1; // abort
     293           0 :             break;
     294             : 
     295             :         case STATE_LOCKTYPE:
     296           0 :             if ( !pCtx->hasLockType )
     297           0 :                 return 1; // abort
     298           0 :             break;
     299             : 
     300             :         case STATE_ACTIVELOCK:
     301           0 :             if ( !pCtx->hasLockType || !pCtx->hasDepth )
     302           0 :                 return 1; // abort
     303           0 :             break;
     304             : 
     305             :         default:
     306           0 :             break;
     307             :     }
     308           0 :     return 0; // zero to continue, non-zero to abort parsing
     309             : }
     310             : 
     311             : 
     312             : // static
     313           0 : bool LockSequence::createFromXML( const OString & rInData,
     314             :                                   uno::Sequence< ucb::Lock > & rOutData )
     315             : {
     316           0 :     const sal_Int32 TOKEN_LENGTH = 13; // </activelock>
     317           0 :     bool success = true;
     318             : 
     319             :     // rInData may contain multiple <activelock>...</activelock> tags.
     320           0 :     sal_Int32 nCount = 0;
     321           0 :     sal_Int32 nStart = 0;
     322           0 :     sal_Int32 nEnd   = rInData.indexOf( "</activelock>" );
     323           0 :     while ( nEnd > -1 )
     324             :     {
     325           0 :         ne_xml_parser * parser = ne_xml_create();
     326           0 :         if ( !parser )
     327             :         {
     328           0 :             success = false;
     329           0 :             break;
     330             :         }
     331             : 
     332           0 :         LockSequenceParseContext aCtx;
     333             :         ne_xml_push_handler( parser,
     334             :                              LockSequence_startelement_callback,
     335             :                              LockSequence_chardata_callback,
     336             :                              LockSequence_endelement_callback,
     337           0 :                              &aCtx );
     338             : 
     339             :         ne_xml_parse( parser,
     340           0 :                       rInData.getStr() + nStart,
     341           0 :                       nEnd - nStart + TOKEN_LENGTH );
     342             : 
     343           0 :         success = !ne_xml_failed( parser );
     344             : 
     345           0 :         ne_xml_destroy( parser );
     346             : 
     347           0 :         if ( !success )
     348           0 :             break;
     349             : 
     350           0 :         if ( aCtx.pLock )
     351             :         {
     352           0 :             nCount++;
     353           0 :             if ( nCount > rOutData.getLength() )
     354           0 :                 rOutData.realloc( rOutData.getLength() + 1 );
     355             : 
     356           0 :             rOutData[ nCount - 1 ] = *aCtx.pLock;
     357             :         }
     358             : 
     359           0 :         nStart = nEnd + TOKEN_LENGTH;
     360           0 :         nEnd   = rInData.indexOf( "</activelock>", nStart );
     361           0 :     }
     362             : 
     363           0 :     return success;
     364             : }
     365             : 
     366             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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