1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_sd.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski
28*b1cdbd2cSJim Jagielski #include <tools/debug.hxx>
29*b1cdbd2cSJim Jagielski
30*b1cdbd2cSJim Jagielski #include "sdiocmpt.hxx"
31*b1cdbd2cSJim Jagielski
32*b1cdbd2cSJim Jagielski //////////////////////////////////////////////////////////////////////////////
33*b1cdbd2cSJim Jagielski
old_SdrDownCompat(SvStream & rNewStream,sal_uInt16 nNewMode)34*b1cdbd2cSJim Jagielski old_SdrDownCompat::old_SdrDownCompat(SvStream& rNewStream, sal_uInt16 nNewMode)
35*b1cdbd2cSJim Jagielski : rStream(rNewStream),
36*b1cdbd2cSJim Jagielski nSubRecSiz(0),
37*b1cdbd2cSJim Jagielski nSubRecPos(0),
38*b1cdbd2cSJim Jagielski nMode(nNewMode),
39*b1cdbd2cSJim Jagielski bOpen(sal_False)
40*b1cdbd2cSJim Jagielski {
41*b1cdbd2cSJim Jagielski OpenSubRecord();
42*b1cdbd2cSJim Jagielski }
43*b1cdbd2cSJim Jagielski
~old_SdrDownCompat()44*b1cdbd2cSJim Jagielski old_SdrDownCompat::~old_SdrDownCompat()
45*b1cdbd2cSJim Jagielski {
46*b1cdbd2cSJim Jagielski if(bOpen)
47*b1cdbd2cSJim Jagielski CloseSubRecord();
48*b1cdbd2cSJim Jagielski }
49*b1cdbd2cSJim Jagielski
Read()50*b1cdbd2cSJim Jagielski void old_SdrDownCompat::Read()
51*b1cdbd2cSJim Jagielski {
52*b1cdbd2cSJim Jagielski rStream >> nSubRecSiz;
53*b1cdbd2cSJim Jagielski }
54*b1cdbd2cSJim Jagielski
Write()55*b1cdbd2cSJim Jagielski void old_SdrDownCompat::Write()
56*b1cdbd2cSJim Jagielski {
57*b1cdbd2cSJim Jagielski rStream << nSubRecSiz;
58*b1cdbd2cSJim Jagielski }
59*b1cdbd2cSJim Jagielski
OpenSubRecord()60*b1cdbd2cSJim Jagielski void old_SdrDownCompat::OpenSubRecord()
61*b1cdbd2cSJim Jagielski {
62*b1cdbd2cSJim Jagielski if(rStream.GetError())
63*b1cdbd2cSJim Jagielski return;
64*b1cdbd2cSJim Jagielski
65*b1cdbd2cSJim Jagielski nSubRecPos = rStream.Tell();
66*b1cdbd2cSJim Jagielski
67*b1cdbd2cSJim Jagielski if(nMode == STREAM_READ)
68*b1cdbd2cSJim Jagielski {
69*b1cdbd2cSJim Jagielski Read();
70*b1cdbd2cSJim Jagielski }
71*b1cdbd2cSJim Jagielski else if(nMode == STREAM_WRITE)
72*b1cdbd2cSJim Jagielski {
73*b1cdbd2cSJim Jagielski Write();
74*b1cdbd2cSJim Jagielski }
75*b1cdbd2cSJim Jagielski
76*b1cdbd2cSJim Jagielski bOpen = sal_True;
77*b1cdbd2cSJim Jagielski }
78*b1cdbd2cSJim Jagielski
CloseSubRecord()79*b1cdbd2cSJim Jagielski void old_SdrDownCompat::CloseSubRecord()
80*b1cdbd2cSJim Jagielski {
81*b1cdbd2cSJim Jagielski if(rStream.GetError())
82*b1cdbd2cSJim Jagielski return;
83*b1cdbd2cSJim Jagielski
84*b1cdbd2cSJim Jagielski sal_uInt32 nAktPos(rStream.Tell());
85*b1cdbd2cSJim Jagielski
86*b1cdbd2cSJim Jagielski if(nMode == STREAM_READ)
87*b1cdbd2cSJim Jagielski {
88*b1cdbd2cSJim Jagielski sal_uInt32 nReadAnz(nAktPos - nSubRecPos);
89*b1cdbd2cSJim Jagielski if(nReadAnz != nSubRecSiz)
90*b1cdbd2cSJim Jagielski {
91*b1cdbd2cSJim Jagielski rStream.Seek(nSubRecPos + nSubRecSiz);
92*b1cdbd2cSJim Jagielski }
93*b1cdbd2cSJim Jagielski }
94*b1cdbd2cSJim Jagielski else if(nMode == STREAM_WRITE)
95*b1cdbd2cSJim Jagielski {
96*b1cdbd2cSJim Jagielski nSubRecSiz = nAktPos - nSubRecPos;
97*b1cdbd2cSJim Jagielski rStream.Seek(nSubRecPos);
98*b1cdbd2cSJim Jagielski Write();
99*b1cdbd2cSJim Jagielski rStream.Seek(nAktPos);
100*b1cdbd2cSJim Jagielski }
101*b1cdbd2cSJim Jagielski
102*b1cdbd2cSJim Jagielski bOpen = sal_False;
103*b1cdbd2cSJim Jagielski }
104*b1cdbd2cSJim Jagielski
105*b1cdbd2cSJim Jagielski /*************************************************************************
106*b1cdbd2cSJim Jagielski |*
107*b1cdbd2cSJim Jagielski |* Konstruktor, schreibt bzw. liest Versionsnummer
108*b1cdbd2cSJim Jagielski |*
109*b1cdbd2cSJim Jagielski \************************************************************************/
110*b1cdbd2cSJim Jagielski
SdIOCompat(SvStream & rNewStream,sal_uInt16 nNewMode,sal_uInt16 nVer)111*b1cdbd2cSJim Jagielski SdIOCompat::SdIOCompat(SvStream& rNewStream, sal_uInt16 nNewMode, sal_uInt16 nVer)
112*b1cdbd2cSJim Jagielski : old_SdrDownCompat(rNewStream, nNewMode), nVersion(nVer)
113*b1cdbd2cSJim Jagielski {
114*b1cdbd2cSJim Jagielski if (nNewMode == STREAM_WRITE)
115*b1cdbd2cSJim Jagielski {
116*b1cdbd2cSJim Jagielski DBG_ASSERT(nVer != SDIOCOMPAT_VERSIONDONTKNOW,
117*b1cdbd2cSJim Jagielski "kann unbekannte Version nicht schreiben");
118*b1cdbd2cSJim Jagielski rNewStream << nVersion;
119*b1cdbd2cSJim Jagielski }
120*b1cdbd2cSJim Jagielski else if (nNewMode == STREAM_READ)
121*b1cdbd2cSJim Jagielski {
122*b1cdbd2cSJim Jagielski DBG_ASSERT(nVer == SDIOCOMPAT_VERSIONDONTKNOW,
123*b1cdbd2cSJim Jagielski "Lesen mit Angabe der Version ist Quatsch!");
124*b1cdbd2cSJim Jagielski rNewStream >> nVersion;
125*b1cdbd2cSJim Jagielski }
126*b1cdbd2cSJim Jagielski }
127*b1cdbd2cSJim Jagielski
~SdIOCompat()128*b1cdbd2cSJim Jagielski SdIOCompat::~SdIOCompat()
129*b1cdbd2cSJim Jagielski {
130*b1cdbd2cSJim Jagielski }
131*b1cdbd2cSJim Jagielski
132*b1cdbd2cSJim Jagielski // eof
133