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-rw-r--r--c++-qt/src/gatsstream.cpp195
1 files changed, 101 insertions, 94 deletions
diff --git a/c++-qt/src/gatsstream.cpp b/c++-qt/src/gatsstream.cpp
index 920b2d6..f49fdb5 100644
--- a/c++-qt/src/gatsstream.cpp
+++ b/c++-qt/src/gatsstream.cpp
@@ -1,3 +1,10 @@
1/*
2 * Copyright (C) 2007-2012 Xagasoft, All rights reserved.
3 *
4 * This file is part of the libgats library and is released under the
5 * terms of the license contained in the file LICENSE.
6 */
7
1#include "gats-qt/gatsstream.h" 8#include "gats-qt/gatsstream.h"
2#include "gats-qt/object.h" 9#include "gats-qt/object.h"
3 10
@@ -10,7 +17,7 @@
10#include <QBuffer> 17#include <QBuffer>
11 18
12Gats::GatsStream::GatsStream( QIODevice &rStream ) : 19Gats::GatsStream::GatsStream( QIODevice &rStream ) :
13 rStream( rStream ) 20 rStream( rStream )
14{ 21{
15} 22}
16 23
@@ -20,110 +27,110 @@ Gats::GatsStream::~GatsStream()
20 27
21Gats::Object *Gats::GatsStream::readObject() 28Gats::Object *Gats::GatsStream::readObject()
22{ 29{
23 char buf[1500]; 30 char buf[1500];
24 31
25 do 32 do
26 { 33 {
27 if( qbRead.size() < 5 ) 34 if( qbRead.size() < 5 )
28 { 35 {
29 int iRead = rStream.read( buf, 5-qbRead.size() ); 36 int iRead = rStream.read( buf, 5-qbRead.size() );
30 qbRead.append( buf, iRead ); 37 qbRead.append( buf, iRead );
31 38
32 if( qbRead.size() < 5 ) 39 if( qbRead.size() < 5 )
33 return NULL; 40 return NULL;
34 } 41 }
35 } while( !skipReadNulls() ); 42 } while( !skipReadNulls() );
36 43
37 uint8_t uVer; 44 uint8_t uVer;
38 uVer = qbRead[0]; 45 uVer = qbRead[0];
39 46
40 int32_t iSize; 47 int32_t iSize;
41 memcpy( &iSize, qbRead.constData()+1, 4 ); 48 memcpy( &iSize, qbRead.constData()+1, 4 );
42 iSize = ntohl( iSize ); 49 iSize = ntohl( iSize );
43 while( qbRead.size() < iSize ) 50 while( qbRead.size() < iSize )
44 { 51 {
45 int32_t iRead = iSize - qbRead.size(); 52 int32_t iRead = iSize - qbRead.size();
46 if( iRead > 1500 ) 53 if( iRead > 1500 )
47 iRead = 1500; 54 iRead = 1500;
48 int32_t iReal = rStream.read( buf, iRead ); 55 int32_t iReal = rStream.read( buf, iRead );
49 qbRead.append( buf, iReal ); 56 qbRead.append( buf, iReal );
50 if( iReal < iRead ) 57 if( iReal < iRead )
51 { 58 {
52 return NULL; 59 return NULL;
53 } 60 }
54 } 61 }
55 62
56 if( qbRead.size() < iSize ) 63 if( qbRead.size() < iSize )
57 { 64 {
58 return NULL; 65 return NULL;
59 } 66 }
60 67
61 QBuffer rTmp( &qbRead ); 68 QBuffer rTmp( &qbRead );
62 rTmp.open( QIODevice::ReadOnly ); 69 rTmp.open( QIODevice::ReadOnly );
63 rTmp.seek( 5 ); 70 rTmp.seek( 5 );
64 Gats::Object *pObj = Gats::Object::read( rTmp ); 71 Gats::Object *pObj = Gats::Object::read( rTmp );
65 qbRead.clear(); 72 qbRead.clear();
66 73
67 emit objectRead( pObj ); 74 emit objectRead( pObj );
68 75
69 return pObj; 76 return pObj;
70} 77}
71 78
72void Gats::GatsStream::readAllObjects() 79void Gats::GatsStream::readAllObjects()
73{ 80{
74 while( readObject() ) { } 81 while( readObject() ) { }
75} 82}
76 83
77void Gats::GatsStream::writeObject( Gats::Object *pObject ) 84void Gats::GatsStream::writeObject( Gats::Object *pObject )
78{ 85{
79 QIODevice *pTmp; 86 QIODevice *pTmp;
80 if( rStream.isSequential() ) 87 if( rStream.isSequential() )
81 { 88 {
82 pTmp = new QBuffer(); 89 pTmp = new QBuffer();
83 pTmp->open( QIODevice::WriteOnly ); 90 pTmp->open( QIODevice::WriteOnly );
84 } 91 }
85 else 92 else
86 { 93 {
87 pTmp = &rStream; 94 pTmp = &rStream;
88 } 95 }
89 96
90 uint8_t uBuf = 1; 97 uint8_t uBuf = 1;
91 uint32_t iSize = 0; 98 uint32_t iSize = 0;
92 pTmp->write( (const char *)&uBuf, 1 ); 99 pTmp->write( (const char *)&uBuf, 1 );
93 uint64_t iSizePos = pTmp->pos(); 100 uint64_t iSizePos = pTmp->pos();
94 pTmp->write( (const char *)&iSize, 4 ); 101 pTmp->write( (const char *)&iSize, 4 );
95 pObject->write( *pTmp ); 102 pObject->write( *pTmp );
96 iSize = htonl( pTmp->pos() ); 103 iSize = htonl( pTmp->pos() );
97 uint64_t iEndPos = pTmp->pos(); 104 uint64_t iEndPos = pTmp->pos();
98 pTmp->seek( iSizePos ); 105 pTmp->seek( iSizePos );
99 pTmp->write( (const char *)&iSize, 4 ); 106 pTmp->write( (const char *)&iSize, 4 );
100 107
101 if( rStream.isSequential() ) 108 if( rStream.isSequential() )
102 { 109 {
103 pTmp->close(); 110 pTmp->close();
104 rStream.write( ((QBuffer *)pTmp)->data() ); 111 rStream.write( ((QBuffer *)pTmp)->data() );
105 delete pTmp; 112 delete pTmp;
106 } 113 }
107 else 114 else
108 { 115 {
109 pTmp->seek( iSizePos ); 116 pTmp->seek( iSizePos );
110 } 117 }
111} 118}
112 119
113bool Gats::GatsStream::skipReadNulls() 120bool Gats::GatsStream::skipReadNulls()
114{ 121{
115 bool bHaveSeeked = false; 122 bool bHaveSeeked = false;
116 for(;;) 123 for(;;)
117 { 124 {
118 if( qbRead.size() == 0 ) 125 if( qbRead.size() == 0 )
119 return false; 126 return false;
120 if( qbRead.at(0) != 0 ) 127 if( qbRead.at(0) != 0 )
121 return !bHaveSeeked; //true; 128 return !bHaveSeeked; //true;
122 else 129 else
123 { 130 {
124 qbRead.remove( 0, 1 ); 131 qbRead.remove( 0, 1 );
125 bHaveSeeked = true; 132 bHaveSeeked = true;
126 } 133 }
127 } 134 }
128} 135}
129 136