aboutsummaryrefslogtreecommitdiffstats
path: root/src/xml/SkXMLPullParser.cpp
blob: 5df75b7765ce73ae66ad492617162056a30fed74 (plain)
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
#include "SkXMLParser.h"
#include "SkStream.h"

static void reset(SkXMLPullParser::Curr* curr)
{
    curr->fEventType = SkXMLPullParser::ERROR;
    curr->fName = "";
    curr->fAttrInfoCount = 0;
    curr->fIsWhitespace = false;
}

SkXMLPullParser::SkXMLPullParser() : fStream(NULL)
{
    fCurr.fEventType = ERROR;
    fDepth = -1;
}

SkXMLPullParser::SkXMLPullParser(SkStream* stream) : fStream(NULL)
{
    fCurr.fEventType = ERROR;
    fDepth = 0;
    
    this->setStream(stream);
}

SkXMLPullParser::~SkXMLPullParser()
{
    this->setStream(NULL);
}

SkStream* SkXMLPullParser::setStream(SkStream* stream)
{
    if (fStream && !stream)
        this->onExit();

    SkRefCnt_SafeAssign(fStream, stream);

    if (fStream)
    {
        fCurr.fEventType = START_DOCUMENT;
        this->onInit();
    }
    else
    {
        fCurr.fEventType = ERROR;
    }
    fDepth = 0;

    return fStream;
}

SkXMLPullParser::EventType SkXMLPullParser::nextToken()
{
    switch (fCurr.fEventType) {
    case ERROR:
    case END_DOCUMENT:
        break;
    case END_TAG:
        fDepth -= 1;
        // fall through
    default:        
        reset(&fCurr);
        fCurr.fEventType = this->onNextToken();
        break;
    }
    
    switch (fCurr.fEventType) {
    case START_TAG:
        fDepth += 1;
        break;
    default:
        break;
    }

    return fCurr.fEventType;
}

const char* SkXMLPullParser::getName()
{
    switch (fCurr.fEventType) {
    case START_TAG:
    case END_TAG:
        return fCurr.fName;
    default:
        return NULL;
    }
}

const char* SkXMLPullParser::getText()
{
    switch (fCurr.fEventType) {
    case TEXT:
    case IGNORABLE_WHITESPACE:
        return fCurr.fName;
    default:
        return NULL;
    }
}

bool SkXMLPullParser::isWhitespace()
{
    switch (fCurr.fEventType) {
    case IGNORABLE_WHITESPACE:
        return true;
    case TEXT:
    case CDSECT:
        return fCurr.fIsWhitespace;
    default:
        return false;   // unknown/illegal
    }
}

int SkXMLPullParser::getAttributeCount()
{
    return fCurr.fAttrInfoCount;
}

void SkXMLPullParser::getAttributeInfo(int index, AttrInfo* info)
{
    SkASSERT((unsigned)index < (unsigned)fCurr.fAttrInfoCount);
    
    if (info)
        *info = fCurr.fAttrInfos[index];
}
    
bool SkXMLPullParser::onEntityReplacement(const char name[],
                                          SkString* replacement)
{
    // TODO: std 5 entities here
    return false;
}