Entity.attributes

1 import std.algorithm.comparison : equal;
2 import std.algorithm.iteration : filter;
3 {
4     auto xml = "<root/>";
5     auto range = parseXML(xml);
6     assert(range.front.type == EntityType.elementEmpty);
7     assert(range.front.attributes.empty);
8 
9     static assert(is(ElementType!(typeof(range.front.attributes)) ==
10                      typeof(range).Entity.Attribute));
11 }
12 {
13     auto xml = "<root a='42' q='29' w='hello'/>";
14     auto range = parseXML(xml);
15     assert(range.front.type == EntityType.elementEmpty);
16 
17     auto attrs = range.front.attributes;
18     assert(attrs.front.name == "a");
19     assert(attrs.front.value == "42");
20     assert(attrs.front.pos == TextPos(1, 7));
21     attrs.popFront();
22 
23     assert(attrs.front.name == "q");
24     assert(attrs.front.value == "29");
25     assert(attrs.front.pos == TextPos(1, 14));
26     attrs.popFront();
27 
28     assert(attrs.front.name == "w");
29     assert(attrs.front.value == "hello");
30     assert(attrs.front.pos == TextPos(1, 21));
31     attrs.popFront();
32 
33     assert(attrs.empty);
34 }
35 // Because the type of name and value is SliceOfR, == with a string
36 // only works if the range passed to parseXML was string.
37 {
38     auto xml = filter!(a => true)("<root a='42' q='29' w='hello'/>");
39     auto range = parseXML(xml);
40     assert(range.front.type == EntityType.elementEmpty);
41 
42     auto attrs = range.front.attributes;
43     assert(equal(attrs.front.name, "a"));
44     assert(equal(attrs.front.value, "42"));
45     assert(attrs.front.pos == TextPos(1, 7));
46     attrs.popFront();
47 
48     assert(equal(attrs.front.name, "q"));
49     assert(equal(attrs.front.value, "29"));
50     assert(attrs.front.pos == TextPos(1, 14));
51     attrs.popFront();
52 
53     assert(equal(attrs.front.name, "w"));
54     assert(equal(attrs.front.value, "hello"));
55     assert(attrs.front.pos == TextPos(1, 21));
56     attrs.popFront();
57 
58     assert(attrs.empty);
59 }