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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
const std = @import("std");
const Parser = @import("../../osc.zig").Parser;
const Command = @import("../../osc.zig").Command;
const log = std.log.scoped(.osc_hyperlink);
/// Parse OSC 8 hyperlinks
pub fn parse(parser: *Parser, _: ?u8) ?*Command {
const cap = if (parser.capture) |*c| c else {
parser.state = .invalid;
return null;
};
cap.writer.writeByte(0) catch {
parser.state = .invalid;
return null;
};
const data = cap.trailing();
const s = std.mem.indexOfScalar(u8, data, ';') orelse {
parser.state = .invalid;
return null;
};
parser.command = .{
.hyperlink_start = .{
.uri = data[s + 1 .. data.len - 1 :0],
},
};
data[s] = 0;
const kvs = data[0 .. s + 1];
std.mem.replaceScalar(u8, kvs, ':', 0);
var kv_start: usize = 0;
while (kv_start < kvs.len) {
const kv_end = std.mem.indexOfScalarPos(u8, kvs, kv_start + 1, 0) orelse break;
const kv = data[kv_start .. kv_end + 1];
const v = std.mem.indexOfScalar(u8, kv, '=') orelse break;
const key = kv[0..v];
const value = kv[v + 1 .. kv.len - 1 :0];
if (std.mem.eql(u8, key, "id")) {
if (value.len > 0) parser.command.hyperlink_start.id = value;
} else {
log.warn("unknown hyperlink option: '{s}'", .{key});
}
kv_start = kv_end + 1;
}
if (parser.command.hyperlink_start.uri.len == 0) {
if (parser.command.hyperlink_start.id != null) {
parser.state = .invalid;
return null;
}
parser.command = .hyperlink_end;
}
return &parser.command;
}
test "OSC 8: hyperlink" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;;http://example.com";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b').?.*;
try testing.expect(cmd == .hyperlink_start);
try testing.expectEqualStrings(cmd.hyperlink_start.uri, "http://example.com");
}
test "OSC 8: hyperlink with id set" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;id=foo;http://example.com";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b').?.*;
try testing.expect(cmd == .hyperlink_start);
try testing.expectEqualStrings(cmd.hyperlink_start.id.?, "foo");
try testing.expectEqualStrings(cmd.hyperlink_start.uri, "http://example.com");
}
test "OSC 8: hyperlink with empty id" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;id=;http://example.com";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b').?.*;
try testing.expect(cmd == .hyperlink_start);
try testing.expectEqual(null, cmd.hyperlink_start.id);
try testing.expectEqualStrings(cmd.hyperlink_start.uri, "http://example.com");
}
test "OSC 8: hyperlink with incomplete key" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;id;http://example.com";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b').?.*;
try testing.expect(cmd == .hyperlink_start);
try testing.expectEqual(null, cmd.hyperlink_start.id);
try testing.expectEqualStrings(cmd.hyperlink_start.uri, "http://example.com");
}
test "OSC 8: hyperlink with empty key" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;=value;http://example.com";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b').?.*;
try testing.expect(cmd == .hyperlink_start);
try testing.expectEqual(null, cmd.hyperlink_start.id);
try testing.expectEqualStrings(cmd.hyperlink_start.uri, "http://example.com");
}
test "OSC 8: hyperlink with empty key and id" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;=value:id=foo;http://example.com";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b').?.*;
try testing.expect(cmd == .hyperlink_start);
try testing.expectEqualStrings(cmd.hyperlink_start.id.?, "foo");
try testing.expectEqualStrings(cmd.hyperlink_start.uri, "http://example.com");
}
test "OSC 8: hyperlink with empty uri" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;id=foo;";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b');
try testing.expect(cmd == null);
}
test "OSC 8: hyperlink end" {
const testing = std.testing;
var p: Parser = .init(null);
const input = "8;;";
for (input) |ch| p.next(ch);
const cmd = p.end('\x1b').?.*;
try testing.expect(cmd == .hyperlink_end);
}
|
