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
use protobuf::{self, Message};
use {Screen, Node, Meta, random_fg_color};
use pb;
pub fn serialize_screen(screen: &Screen) -> Vec<u8> {
let mut screen_pb = pb::Screen::default();
screen_pb.set_max_id(screen.max_id);
let nodes = screen.nodes
.iter()
.map(|(_, node)| serialize_node(node))
.collect();
screen_pb.set_nodes(protobuf::RepeatedField::from_vec(nodes));
let arrows = screen.arrows
.iter()
.map(|&(from, to)| {
let mut arrow_pb = pb::Arrow::default();
arrow_pb.set_from_node(from);
arrow_pb.set_to_node(to);
arrow_pb
})
.collect();
screen_pb.set_arrows(protobuf::RepeatedField::from_vec(arrows));
screen_pb.write_to_bytes().unwrap()
}
fn serialize_meta(meta: &Meta) -> pb::Meta {
let mut gps_pb = pb::Gps::default();
gps_pb.set_lat(meta.gps.0);
gps_pb.set_lon(meta.gps.1);
let mut meta_pb = pb::Meta::default();
meta_pb.set_gps(gps_pb);
meta_pb.set_ctime(meta.ctime);
meta_pb.set_mtime(meta.mtime);
if let Some(finish_time) = meta.finish_time {
meta_pb.set_finish_time(finish_time);
}
let mut tags = vec![];
for (tagk, tagv) in &meta.tags {
let mut tag = pb::Tag::default();
tag.set_key(tagk.clone());
tag.set_value(tagv.clone());
tags.push(tag);
}
meta_pb.set_tags(protobuf::RepeatedField::from_vec(tags));
meta_pb
}
fn serialize_node(node: &Node) -> pb::Node {
let mut node_pb = pb::Node::default();
node_pb.set_id(node.id);
node_pb.set_text(node.content.clone());
node_pb.set_children(node.children.clone());
node_pb.set_collapsed(node.collapsed);
node_pb.set_stricken(node.stricken);
node_pb.set_hide_stricken(node.hide_stricken);
node_pb.set_parent_id(node.parent_id);
node_pb.set_x(node.rooted_coords.0 as u32);
node_pb.set_y(node.rooted_coords.1 as u32);
node_pb.set_meta(serialize_meta(&node.meta));
node_pb.set_auto_arrange(node.auto_arrange);
if let Some(ref free_text) = node.free_text {
node_pb.set_free_text(free_text.to_owned());
}
node_pb
}
fn deserialize_meta(meta_pb: &pb::Meta) -> Meta {
let gps = meta_pb.get_gps();
Meta {
ctime: meta_pb.get_ctime(),
mtime: meta_pb.get_mtime(),
finish_time: if meta_pb.has_finish_time() {
Some(meta_pb.get_finish_time())
} else {
None
},
due: if meta_pb.has_due() {
Some(meta_pb.get_due())
} else {
None
},
gps: (gps.get_lat(), gps.get_lon()),
tags: meta_pb.get_tags()
.iter()
.map(|tag| (tag.get_key().to_owned(), tag.get_value().to_owned()))
.collect(),
}
}
fn deserialize_node(node_pb: &pb::Node) -> Node {
Node {
parent_id: node_pb.get_parent_id(),
rooted_coords: (node_pb.get_x() as u16, node_pb.get_y() as u16),
content: node_pb.get_text().to_owned(),
children: node_pb.get_children().to_vec(),
selected: node_pb.get_selected(),
collapsed: node_pb.get_collapsed(),
stricken: node_pb.get_stricken(),
hide_stricken: node_pb.get_hide_stricken(),
meta: deserialize_meta(node_pb.get_meta()),
id: node_pb.get_id(),
free_text: if node_pb.has_free_text() {
Some(node_pb.get_free_text().to_owned())
} else {
None
},
color: random_fg_color(),
auto_arrange: node_pb.get_auto_arrange(),
}
}
pub fn deserialize_screen(data: Vec<u8>) -> Result<Screen, protobuf::ProtobufError> {
let screen_pb: pb::Screen = protobuf::parse_from_bytes(&*data)?;
let mut screen = Screen::default();
screen.max_id = screen_pb.get_max_id();
screen.nodes = screen_pb.get_nodes()
.iter()
.map(|node_pb| {
let node = deserialize_node(node_pb);
screen.tag_db.reindex(node.id, node.content.clone());
(node.id, node)
})
.collect();
screen.arrows = screen_pb.get_arrows()
.iter()
.map(|arrow_pb| {
let from = arrow_pb.get_from_node();
let to = arrow_pb.get_to_node();
(from, to)
})
.collect();
Ok(screen)
}