forked from soumya92/barista
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ionicons.go
68 lines (61 loc) · 1.87 KB
/
ionicons.go
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
// Copyright 2017 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
Package ionicons provides support for Ionicicons
from https://github.com/driftyco/ionicons
It uses scss/_ionicons-variables.scss to get the list of icons,
and requires fonts/ionicons.ttf to be installed.
*/
package ionicons
import (
"strings"
"unicode"
"github.com/soumya92/barista/pango"
"github.com/soumya92/barista/pango/icons"
)
var provider *icons.Provider
// Icon returns a pango node for the given icon name and styles.
func Icon(name string, style ...pango.Attribute) pango.Node {
return provider.Icon(name, style...)
}
// Load initialises the ionicons icon provider from the given repo.
func Load(repoPath string) error {
c := icons.Config{
RepoPath: repoPath,
FilePath: "scss/_ionicons-variables.scss",
Font: "Ionicons",
}
var err error
provider, err = c.LoadByLines(func(line string, add func(string, string)) error {
colon := strings.Index(line, ":")
if colon < 0 {
return nil
}
name := line[:colon]
if !strings.HasPrefix(name, "$ionicon-var-") {
return nil
}
name = strings.TrimPrefix(name, "$ionicon-var-")
value := strings.TrimFunc(line[colon+1:], func(r rune) bool {
return unicode.IsSpace(r) || r == '"' || r == '\\' || r == ';'
})
sym, err := icons.SymbolFromHex(value)
if err != nil {
return err
}
add(name, sym)
return nil
})
return err
}