Swiften/Parser/PayloadParsers/MAMQueryParser.cpp


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

/*
 * Copyright (c) 2014-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swiften/Parser/PayloadParsers/MAMQueryParser.h>

#include <boost/lexical_cast.hpp>
#include <boost/optional.hpp>

#include <Swiften/Base/DateTime.h>
#include <Swiften/Parser/PayloadParsers/FormParser.h>
#include <Swiften/Parser/PayloadParsers/ResultSetParser.h>

using namespace Swift;

MAMQueryParser::MAMQueryParser() : level_(TopLevel) {
}

void MAMQueryParser::handleStartElement(const std::string& element, const std::string& ns, const AttributeMap& attributes) {
    if (level_ == TopLevel) {
        boost::optional<std::string> attributeValue;
        if ((attributeValue = attributes.getAttributeValue("queryid"))) {
            getPayloadInternal()->setQueryID(*attributeValue);
        }
        if ((attributeValue = attributes.getAttributeValue("node"))) {
            getPayloadInternal()->setNode(*attributeValue);
        }
    } else if (level_ == PayloadLevel) {
        if (element == "x" && ns == "jabber:x:data") {
            formParser_ = boost::make_shared<FormParser>();
        } else if (element == "set" && ns == "http://jabber.org/protocol/rsm") {
            resultSetParser_ = boost::make_shared<ResultSetParser>();
        }
    }

    if (formParser_) { /* parsing a nested Form */
        formParser_->handleStartElement(element, ns, attributes);
    }

    if (resultSetParser_) { /* parsing a nested ResultSet */
        resultSetParser_->handleStartElement(element, ns, attributes);
    }

    ++level_;
}

void MAMQueryParser::handleEndElement(const std::string& element, const std::string& ns) {
    --level_;

    if (formParser_ && level_ >= PayloadLevel) {
        formParser_->handleEndElement(element, ns);
    }
    if (formParser_ && level_ == PayloadLevel) {
        /* done parsing nested Form */
        getPayloadInternal()->setForm(boost::dynamic_pointer_cast<Form>(formParser_->getPayload()));
        formParser_.reset();
    }

    if (resultSetParser_ && level_ >= PayloadLevel) {
        resultSetParser_->handleEndElement(element, ns);
    }
    if (resultSetParser_ && level_ == PayloadLevel) {
        /* done parsing nested ResultSet */
        getPayloadInternal()->setResultSet(boost::dynamic_pointer_cast<ResultSet>(resultSetParser_->getPayload()));
        resultSetParser_.reset();
    }
}

void MAMQueryParser::handleCharacterData(const std::string& data) {
    if (formParser_) {
        formParser_->handleCharacterData(data);
    }
    if (resultSetParser_) {
        resultSetParser_->handleCharacterData(data);
    }
}