1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* xmlnewsaccess.cpp
*
* Copyright (c) 2001 Frerich Raabe <[email protected]>
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
* accompanying file 'COPYING'.
*/
#include "xmlnewsaccess.h"
#include <kcharsets.h>
#include <kdebug.h>
#include <kglobal.h>
#include <tqbuffer.h>
#include <tqdom.h>
#include <tqregexp.h>
XMLNewsArticle::XMLNewsArticle(const TQString &headline, const KURL &address)
: m_headline(headline),
m_address(address)
{
}
XMLNewsArticle &XMLNewsArticle::operator=(const XMLNewsArticle &other)
{
m_headline = other.m_headline;
m_address = other.m_address;
return *this;
}
bool XMLNewsArticle::operator==(const XMLNewsArticle &a)
{
return m_headline == a.headline() && m_address == a.address();
}
XMLNewsSource::XMLNewsSource() : TQObject(),
m_name(TQString()),
m_link(TQString()),
m_description(TQString()),
m_downloadData(0)
{
}
XMLNewsSource::~XMLNewsSource()
{
delete m_downloadData; // Might exist if we are in the middle of a download
}
void XMLNewsSource::loadFrom(const KURL &url)
{
if ( m_downloadData != 0 ) {
kdDebug( 5005 ) << "XMLNewsSource::loadFrom(): Busy, ignoring load "
"request for " << url << endl;
return;
}
m_downloadData = new TQBuffer;
m_downloadData->open(IO_WriteOnly);
TDEIO::Job *job = TDEIO::get(url, false, false);
job->addMetaData(TQString::fromLatin1("UserAgent"),
TQString::fromLatin1("KNewsTicker v0.2"));
connect(job, TQT_SIGNAL(data(TDEIO::Job *, const TQByteArray &)),
TQT_SLOT(slotData(TDEIO::Job *, const TQByteArray &)));
connect(job, TQT_SIGNAL(result(TDEIO::Job *)), TQT_SLOT(slotResult(TDEIO::Job *)));
}
void XMLNewsSource::slotData(TDEIO::Job *, const TQByteArray &data)
{
m_downloadData->writeBlock(data.data(), data.size());
}
void XMLNewsSource::slotResult(TDEIO::Job *job)
{
kdDebug(5005) << "XMLNewsSource::slotResult(): Finished downloading data (" << job->error() << ")." << endl;
processData(m_downloadData->buffer(), !job->error());
delete m_downloadData;
m_downloadData = 0;
}
void XMLNewsSource::processData(const TQByteArray &data, bool okSoFar)
{
bool validContent = okSoFar;
kdDebug(5005) << "XMLNewsSource::processData(): validContent = " << validContent << endl;
if (okSoFar) {
/*
* Some servers prepend whitespace before the <?xml...?> declaration.
* Since TQDom doesn't like that we strip this first.
*/
TQDomDocument domDoc;
const char *charData = data.data();
int len = data.count();
while (len && (*charData == ' ' || *charData == '\n' || *charData == '\t' || *charData == '\r') ) {
len--;
charData++;
}
TQByteArray tmpData;
tmpData.setRawData(charData, len);
if (validContent = domDoc.setContent(tmpData)) {
TQDomNode channelNode = domDoc.documentElement().namedItem(TQString::fromLatin1("channel"));
m_name = channelNode.namedItem(TQString::fromLatin1("title")).toElement().text().simplifyWhiteSpace();
kdDebug(5005) << "XMLNewsSource::processData(): Successfully updated " << m_name << endl;
m_link = channelNode.namedItem(TQString::fromLatin1("link")).toElement().text().simplifyWhiteSpace();
m_description = channelNode.namedItem(TQString::fromLatin1("description")).toElement().text().simplifyWhiteSpace();
TQDomNodeList items = domDoc.elementsByTagName(TQString::fromLatin1("item"));
m_articles.clear();
TQDomNode itemNode;
TQString headline, address;
for (unsigned int i = 0; i < items.count(); i++) {
itemNode = items.item(i);
headline = KCharsets::resolveEntities(itemNode.namedItem(TQString::fromLatin1("title")).toElement().text().simplifyWhiteSpace());
address = KCharsets::resolveEntities(itemNode.namedItem(TQString::fromLatin1("link")).toElement().text().simplifyWhiteSpace());
m_articles.append(XMLNewsArticle(headline, KURL( address )));
}
}
kdDebug(5005) << "XMLNewsSource::processData(): validContent = " << validContent << endl;
tmpData.resetRawData(charData, len);
}
emit loadComplete(this, validContent);
}
#include "xmlnewsaccess.moc"
|
