UNPKG

xpath2

Version:

DOM 3 XPath implementation (with XPath 2.0 language support)

github.com/ilinsky/xpath2

ilinsky/xpath2

105 lines (89 loc) • 2.89 kB
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
var cXPathException = require('./XPathException'); function cXPathResult() { } // Constants cXPathResult.ANY_TYPE = 0; cXPathResult.NUMBER_TYPE = 1; cXPathResult.STRING_TYPE = 2; cXPathResult.BOOLEAN_TYPE = 3; cXPathResult.UNORDERED_NODE_ITERATOR_TYPE = 4; cXPathResult.ORDERED_NODE_ITERATOR_TYPE = 5; cXPathResult.UNORDERED_NODE_SNAPSHOT_TYPE = 6; cXPathResult.ORDERED_NODE_SNAPSHOT_TYPE = 7; cXPathResult.ANY_UNORDERED_NODE_TYPE = 8; cXPathResult.FIRST_ORDERED_NODE_TYPE = 9; // cXPathResult.prototype.resultType = null; cXPathResult.prototype.snapshotLength = 0; cXPathResult.prototype.numberValue = null; cXPathResult.prototype.stringValue = null; cXPathResult.prototype.booleanValue = null; cXPathResult.prototype.singleNodeValue = null; cXPathResult.prototype.invalidIteratorState = false; // Private cXPathResult.prototype.current = 0; // cXPathResult.prototype.iterateNext = function() { // Invoke implementation if (this.resultType == 4 || this.resultType == 5) { return this.current < this.sequence.length ? this.sequence[this.current++] : null; } else throw new cXPathException(cXPathException.TYPE_ERR); }; cXPathResult.prototype.snapshotItem = function(nIndex) { // Invoke implementation if (this.resultType == 6 || this.resultType == 7) { if (arguments.length == 0) nIndex = 0; return nIndex < this.sequence.length && nIndex >-1 ? this.sequence[nIndex] : null; } else throw new cXPathException(cXPathException.TYPE_ERR); }; cXPathResult.init = function(oResult, nType, oSequence) { // if (oResult.resultType) cXPathResult.clear(oResult); // oResult.resultType = nType; // switch (nType) { case 1: // XPathResult.NUMBER_TYPE oResult.numberValue = oSequence[0]; break; case 2: // XPathResult.STRING_TYPE oResult.stringValue = oSequence[0]; break; case 3: // XPathResult.BOOLEAN_TYPE oResult.booleanValue = oSequence[0]; break; case 4: // XPathResult.UNORDERED_NODE_ITERATOR_TYPE case 5: // XPathResult.ORDERED_NODE_ITERATOR_TYPE oResult.sequence = oSequence; break; case 6: // XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE case 7: // XPathResult.ORDERED_NODE_SNAPSHOT_TYPE oResult.snapshotLength = oSequence.length; oResult.sequence = oSequence; break; case 8: // XPathResult.ANY_UNORDERED_NODE_TYPE case 9: // XPathResult.FIRST_ORDERED_NODE_TYPE oResult.singleNodeValue = oSequence[0]; break; } return oResult; }; cXPathResult.clear = function(oResult) { oResult.resultType = null; oResult.snapshotLength = 0; oResult.numberValue = null; oResult.stringValue = null; oResult.booleanValue = null; oResult.singleNodeValue = null; oResult.invalidIteratorState = false; // Private oResult.current = 0; oResult.sequence = null; }; module.exports = cXPathResult;