\n",
76 | "\n",
89 | "\n",
90 | " \n",
91 | "
\n",
119 | "
"
120 | ],
121 | "text/plain": [
122 | " first_name age gender\n",
123 | "0 Alice 12 f\n",
124 | "1 Bob 23 m\n",
125 | "2 Charlie 34 m"
126 | ]
127 | },
128 | "execution_count": 2,
129 | "metadata": {},
130 | "output_type": "execute_result"
131 | }
132 | ],
133 | "source": [
134 | "from io import StringIO\n",
135 | "\n",
136 | "import pandas as pd\n",
137 | "\n",
138 | "sample_csv = StringIO(\"\"\"first_name,age,gender\n",
139 | "Alice,12,f\n",
140 | "Bob,23,m\n",
141 | "Charlie,34,m\"\"\")\n",
142 | "\n",
143 | "df = pd.read_csv(sample_csv)\n",
144 | "df"
145 | ]
146 | },
147 | {
148 | "cell_type": "code",
149 | "execution_count": 3,
150 | "metadata": {},
151 | "outputs": [
152 | {
153 | "data": {
154 | "text/plain": [
155 | "| \n", 93 | " | first_name | \n", 94 | "age | \n", 95 | "gender | \n", 96 | "
|---|---|---|---|
| 0 | \n", 101 | "Alice | \n", 102 | "12 | \n", 103 | "f | \n", 104 | "
| 1 | \n", 107 | "Bob | \n", 108 | "23 | \n", 109 | "m | \n", 110 | "
| 2 | \n", 113 | "Charlie | \n", 114 | "34 | \n", 115 | "m | \n", 116 | "
`)) 35 | assert.True(t, strings.HasSuffix(actualTrimmed, ``)) 36 | } 37 | 38 | func TestConvertMarkdownToHTML(t *testing.T) { 39 | source := `# Heading 40 | 41 | Text` 42 | expected := "
Heading
Text
" 43 | actual := convertToGoString(convertMarkdownToHTML(convertToCString(source))) 44 | assert.Equal(t, expected, minifyHTML(actual)) 45 | } 46 | 47 | func TestConvertMarkdownToHTMLWithFrontMatter(t *testing.T) { 48 | source := `--- 49 | key: Value 50 | key2: Another value 51 | --- 52 | 53 | # Heading 54 | 55 | Text` 56 | expected := "Heading
Text
" 57 | actual := convertToGoString(convertMarkdownToHTML(convertToCString(source))) 58 | assert.Equal(t, expected, minifyHTML(actual)) 59 | } 60 | 61 | func TestConvertMarkdownToHTMLWithSyntaxHighlighting(t *testing.T) { 62 | source := "# Heading\n\nText\n\n```js\nconst print = (text) => console.log(text);\nprint(\"Hello world\");\n```" 63 | actual := convertToGoString(convertMarkdownToHTML(convertToCString(source))) 64 | assert.True(t, strings.Contains(actual, ``))
65 | }
66 |
67 | func TestConvertNotebookToHTML(t *testing.T) {
68 | source := `{"cells":[{"cell_type":"code","execution_count":1,"metadata":{},"outputs":[{"name":"stdout","output_type":"stream","text":["Hello world\n"]}],"source":["print(\"Hello world\")"]}],"metadata":{"kernelspec":{"display_name":"Python 3","language":"python","name":"python3"},"language_info":{"codemirror_mode":{"name":"ipython","version":3},"file_extension":".py","mimetype":"text/x-python","name":"python","nbconvert_exporter":"python","pygments_lexer":"ipython3","version":"3.8.2"}},"nbformat":4,"nbformat_minor":4}` // nolint:lll
69 | actual := convertToGoString(convertNotebookToHTML(convertToCString(source)))
70 | actualTrimmed := strings.TrimSpace(actual)
71 | assert.True(t, strings.HasPrefix(actualTrimmed, ``))
72 | assert.True(t, strings.HasSuffix(actualTrimmed, ``))
73 | }
74 |
75 | func TestConvertNotebookToHTMLInvalid(t *testing.T) {
76 | source := "This is not a valid JSON file."
77 | actual := convertToGoString(convertNotebookToHTML(convertToCString(source)))
78 | assert.True(t, strings.HasPrefix(actual, "error: "))
79 | }
80 |
--------------------------------------------------------------------------------
/LICENSE.md:
--------------------------------------------------------------------------------
1 | # MIT License
2 |
3 | Copyright (c) 2020 Samuel Meuli
4 |
5 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
6 |
7 | The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
8 |
9 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
10 |
--------------------------------------------------------------------------------
/Mintfile:
--------------------------------------------------------------------------------
1 | nicklockwood/SwiftFormat@0.44.7
2 | realm/SwiftLint@0.39.2
3 |
--------------------------------------------------------------------------------
/PRIVACY.md:
--------------------------------------------------------------------------------
1 | # Privacy Policy
2 |
3 | Glance does not collect any personal information.
4 |
5 | Please do not hesitate to [contact me](https://samuelmeuli.com) for questions about this privacy policy.
6 |
--------------------------------------------------------------------------------
/QLPlugin/Extensions/String.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 |
3 | extension String {
4 | /// Returns all matches and capturing groups for the provided regular expression applied to the
5 | /// string
6 | ///
7 | /// Source: https://stackoverflow.com/a/40040472/6767508
8 | func matchRegex(regex: String) -> [[String]] {
9 | guard let regex = try? NSRegularExpression(pattern: regex, options: []) else {
10 | return []
11 | }
12 | let nsString = self as NSString
13 | let results = regex.matches(
14 | in: self,
15 | options: [],
16 | range: NSRange(location: 0, length: nsString.length)
17 | )
18 | return results.map { result in
19 | (0 ..< result.numberOfRanges).map {
20 | result.range(at: $0).location != NSNotFound
21 | ? nsString.substring(with: result.range(at: $0))
22 | : ""
23 | }
24 | }
25 | }
26 | }
27 |
--------------------------------------------------------------------------------
/QLPlugin/MainVC.swift:
--------------------------------------------------------------------------------
1 | import Cocoa
2 | import os.log
3 | import Quartz
4 |
5 | enum PreviewError: Error {
6 | case fileSizeError(path: String)
7 | }
8 |
9 | extension PreviewError: LocalizedError {
10 | public var errorDescription: String? {
11 | switch self {
12 | case let .fileSizeError(path):
13 | return NSLocalizedString("File \(path) is too large to preview", comment: "")
14 | }
15 | }
16 | }
17 |
18 | class MainVC: NSViewController, QLPreviewingController {
19 | /// Max size of files to render
20 | let maxFileSize = 10_000_000 // 10 MB
21 |
22 | let stats = Stats()
23 |
24 | override var nibName: NSNib.Name? {
25 | NSNib.Name("MainVC")
26 | }
27 |
28 | override func viewDidLoad() {
29 | super.viewDidLoad()
30 | setUpView()
31 | }
32 |
33 | private func setUpView() {
34 | // Draw border around previews, in similar style to macOS's default previews
35 | view.wantsLayer = true
36 | view.layer?.borderWidth = 1
37 | view.layer?.borderColor = NSColor.tertiaryLabelColor.cgColor
38 | }
39 |
40 | /// Function responsible for generating file previews. It's called for previews in Finder,
41 | /// Spotlight, Quick Look and any other UI elements which implement the API.
42 | func preparePreviewOfFile(
43 | at fileUrl: URL,
44 | completionHandler handler: @escaping (Error?) -> Void
45 | ) {
46 | DispatchQueue.main.async {
47 | // Read information about the file to preview
48 | var file: File
49 | do {
50 | file = try File(url: fileUrl)
51 | } catch {
52 | os_log(
53 | "Could not obtain information about file %{public}s: %{public}s",
54 | log: Log.general,
55 | type: .error,
56 | fileUrl.path,
57 | error.localizedDescription
58 | )
59 | handler(error)
60 | return
61 | }
62 |
63 | // Skip preview if the file is too large
64 | if !file.isDirectory, !file.isArchive, file.size > self.maxFileSize {
65 | // Log error and fall back to default preview (by calling the completion handler
66 | // with the error)
67 | let error = PreviewError.fileSizeError(path: file.path)
68 | os_log(
69 | "Skipping file preview: %{public}s",
70 | log: Log.general,
71 | error.localizedDescription
72 | )
73 | handler(error)
74 | return
75 | }
76 |
77 | // Render file preview
78 | os_log(
79 | "Generating preview for file %{public}s",
80 | log: Log.general,
81 | type: .info,
82 | file.path
83 | )
84 | do {
85 | try self.previewFile(file: file)
86 | } catch {
87 | // Log error and fall back to default preview (by calling the completion handler
88 | // with the error)
89 | os_log(
90 | "Could not generate preview for file %{public}s: %{public}s",
91 | log: Log.general,
92 | type: .error,
93 | file.path,
94 | error.localizedDescription
95 | )
96 | handler(error)
97 | return
98 | }
99 |
100 | // Hide preview loading spinner
101 | handler(nil)
102 | }
103 | }
104 |
105 | /// Generates a preview of the selected file and adds the corresponding child view controller.
106 | private func previewFile(file: File) throws {
107 | // Initialize `PreviewVC` for the file type
108 | if let previewInitializerType = PreviewVCFactory.getPreviewInitializer(fileURL: file.url) {
109 | // Generate file preview
110 | let previewInitializer = previewInitializerType.init()
111 | let previewVC = try previewInitializer.createPreviewVC(file: file)
112 |
113 | // Add `PreviewVC` as a child view controller
114 | addChild(previewVC)
115 | previewVC.view.autoresizingMask = [.height, .width]
116 | previewVC.view.frame = view.frame
117 | view.addSubview(previewVC.view)
118 |
119 | // Update stats
120 | stats.increaseStatsCounts(fileExtension: file.url.pathExtension)
121 | } else {
122 | os_log(
123 | "Skipping preview for file %{public}s: File type not supported",
124 | log: Log.general,
125 | type: .info,
126 | file.path
127 | )
128 | }
129 | }
130 | }
131 |
--------------------------------------------------------------------------------
/QLPlugin/MainVC.xib:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
8 |
9 |
10 |
11 |
13 |
14 |
17 |
20 |
21 |
22 |
--------------------------------------------------------------------------------
/QLPlugin/QLPlugin.entitlements:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 | com.apple.security.app-sandbox
6 | com.apple.security.application-groups
8 |
9 | group.com.samuelmeuli.glance
10 |
11 | com.apple.security.files.user-selected.read-only
12 | com.apple.security.network.client
14 |
16 |
17 |
--------------------------------------------------------------------------------
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1 | /**
2 | * KaTeX
3 | * v0.11.1
4 | * https://github.com/KaTeX/KaTeX
5 | *
6 | * The MIT License (MIT)
7 | *
8 | * Copyright (c) 2013-2019 Khan Academy and other contributors
9 | *
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
11 | * associated documentation files (the "Software"), to deal in the Software without restriction,
12 | * including without limitation the rights to use, copy, modify, merge, publish, distribute,
13 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
14 | * furnished to do so, subject to the following conditions:
15 | *
16 | * The above copyright notice and this permission notice shall be included in all copies or
17 | * substantial portions of the Software.
18 | *
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
20 | * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 | */
25 |
26 | !function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("katex")):"function"==typeof define&&define.amd?define(["katex"],t):"object"==typeof exports?exports.renderMathInElement=t(require("katex")):e.renderMathInElement=t(e.katex)}("undefined"!=typeof self?self:this,function(e){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=1)}([function(t,r){t.exports=e},function(e,t,r){"use strict";r.r(t);var n=r(0),o=r.n(n),a=function(e,t,r){for(var n=r,o=0,a=e.length;n :first-child,
35 | .output > :first-child {
36 | margin-top: 0;
37 | }
38 |
39 | .input > :last-child,
40 | .output > :last-child {
41 | margin-bottom: 0;
42 | }
43 |
44 | .output-wrapper {
45 | margin-top: 10px;
46 | }
47 |
48 | /* Prompts (execution counts) */
49 |
50 | .input-prompt,
51 | .output-prompt {
52 | color: var(--color-text-faded);
53 | }
54 |
55 | /* Boxes (e.g. for code and errors) */
56 |
57 | .cell-code .input,
58 | .cell-raw .input,
59 | .output-error {
60 | padding: 8px 10px;
61 | overflow-y: auto;
62 | border-radius: var(--border-radius);
63 | }
64 |
65 | /* Grey boxes */
66 | .cell-code .input,
67 | .cell-raw .input {
68 | background: var(--color-background-code-block);
69 | border: 1px solid var(--color-border);
70 | }
71 |
72 | /* Adjust spacing of prompts next to boxes (so text is aligned) */
73 | .cell-code .input-prompt,
74 | .cell-raw .input-prompt {
75 | padding-top: 8px;
76 | }
77 |
78 | /* Error output */
79 |
80 | /* Error box */
81 | .output-error {
82 | background: var(--color-background-error);
83 | }
84 |
85 | /* Black ANSI color */
86 | .term-fg30 {
87 | color: #3e424d;
88 | }
89 |
90 | /* Red ANSI color */
91 | .term-fg31 {
92 | color: #e75c58;
93 | }
94 |
95 | /* Green ANSI color */
96 | .term-fg32 {
97 | color: #00a250;
98 | }
99 |
100 | /* Yellow ANSI color */
101 | .term-fg33 {
102 | color: #ddb62b;
103 | }
104 |
105 | /* Blue ANSI color */
106 | .term-fg34 {
107 | color: #208ffb;
108 | }
109 |
110 | /* Magenta ANSI color */
111 | .term-fg35 {
112 | color: #d160c4;
113 | }
114 |
115 | /* Cyan ANSI color */
116 | .term-fg36 {
117 | color: #60c6c8;
118 | }
119 |
--------------------------------------------------------------------------------
/QLPlugin/Resources/markdown/markdown-main.css:
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1 | code {
2 | margin: 0;
3 | padding: 0.2em 0.4em;
4 | font-size: 85%;
5 | background-color: var(--color-background-code-inline);
6 | border-radius: var(--border-radius);
7 | }
8 |
9 | pre > code {
10 | margin: 0;
11 | padding: 0;
12 | font-size: 100%;
13 | white-space: pre;
14 | word-break: normal;
15 | background: transparent;
16 | border: 0;
17 | }
18 |
19 | .chroma {
20 | margin-bottom: var(--spacing-normal);
21 | }
22 |
23 | .chroma pre {
24 | margin-bottom: 0;
25 | word-break: normal;
26 | }
27 |
28 | .chroma pre,
29 | pre {
30 | padding: var(--spacing-normal);
31 | overflow: auto;
32 | font-size: 85%;
33 | line-height: 1.45;
34 | background-color: var(--color-background-code-block);
35 | border-radius: var(--border-radius);
36 | }
37 |
38 | pre code {
39 | display: inline;
40 | max-width: auto;
41 | margin: 0;
42 | padding: 0;
43 | overflow: visible;
44 | line-height: inherit;
45 | word-wrap: normal;
46 | background-color: initial;
47 | border: 0;
48 | }
49 |
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/QLPlugin/Resources/shared/shared-chroma.css:
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1 | /**
2 | * Light mode: Colors from "Default (light)" Xcode theme
3 | */
4 | /* Keyword */ .chroma .k { color: #9B2393 }
5 | /* KeywordConstant */ .chroma .kc { color: #9B2393 }
6 | /* KeywordDeclaration */ .chroma .kd { color: #9B2393 }
7 | /* KeywordNamespace */ .chroma .kn { color: #9B2393 }
8 | /* KeywordPseudo */ .chroma .kp { color: #9B2393 }
9 | /* KeywordReserved */ .chroma .kr { color: #9B2393 }
10 | /* KeywordType */ .chroma .kt { color: #9B2393 }
11 | /* Name */ .chroma .n { color: #000000 }
12 | /* NameAttribute */ .chroma .na { color: #815F03 }
13 | /* NameBuiltin */ .chroma .nb { color: #9B2393 }
14 | /* NameBuiltinPseudo */ .chroma .bp { color: #9B2393 }
15 | /* NameClass */ .chroma .nc { color: #1C464A }
16 | /* NameConstant */ .chroma .no { color: #326D74 }
17 | /* NameDecorator */ .chroma .nd { color: #000000 }
18 | /* NameEntity */ .chroma .ni { color: #000000 }
19 | /* NameException */ .chroma .ne { color: #000000 }
20 | /* NameFunction */ .chroma .nf { color: #326D74 }
21 | /* NameFunctionMagic */ .chroma .fm { color: #326D74 }
22 | /* NameLabel */ .chroma .nl { color: #000000 }
23 | /* NameNamespace */ .chroma .nn { color: #000000 }
24 | /* NameOther */ .chroma .nx { color: #000000 }
25 | /* NameProperty */ .chroma .py { color: #000000 }
26 | /* NameTag */ .chroma .nt { color: #000000 }
27 | /* NameVariable */ .chroma .nv { color: #000000 }
28 | /* NameVariableClass */ .chroma .vc { color: #000000 }
29 | /* NameVariableGlobal */ .chroma .vg { color: #326D74 }
30 | /* NameVariableInstance */ .chroma .vi { color: #326D74 }
31 | /* NameVariableMagic */ .chroma .vm { color: #326D74 }
32 | /* Literal */ .chroma .l { color: #1C00CF }
33 | /* LiteralDate */ .chroma .ld { color: #1C00CF }
34 | /* LiteralString */ .chroma .s { color: #C41A16 }
35 | /* LiteralStringAffix */ .chroma .sa { color: #C41A16 }
36 | /* LiteralStringBacktick */ .chroma .sb { color: #C41A16 }
37 | /* LiteralStringChar */ .chroma .sc { color: #1C00CF }
38 | /* LiteralStringDelimiter */ .chroma .dl { color: #C41A16 }
39 | /* LiteralStringDoc */ .chroma .sd { color: #C41A16 }
40 | /* LiteralStringDouble */ .chroma .s2 { color: #C41A16 }
41 | /* LiteralStringEscape */ .chroma .se { color: #C41A16 }
42 | /* LiteralStringHeredoc */ .chroma .sh { color: #C41A16 }
43 | /* LiteralStringInterpol */ .chroma .si { color: #C41A16 }
44 | /* LiteralStringOther */ .chroma .sx { color: #C41A16 }
45 | /* LiteralStringRegex */ .chroma .sr { color: #C41A16 }
46 | /* LiteralStringSingle */ .chroma .s1 { color: #C41A16 }
47 | /* LiteralStringSymbol */ .chroma .ss { color: #C41A16 }
48 | /* LiteralNumber */ .chroma .m { color: #1C00CF }
49 | /* LiteralNumberBin */ .chroma .mb { color: #1C00CF }
50 | /* LiteralNumberFloat */ .chroma .mf { color: #1C00CF }
51 | /* LiteralNumberHex */ .chroma .mh { color: #1C00CF }
52 | /* LiteralNumberInteger */ .chroma .mi { color: #1C00CF }
53 | /* LiteralNumberIntegerLong */ .chroma .il { color: #1C00CF }
54 | /* LiteralNumberOct */ .chroma .mo { color: #1C00CF }
55 | /* Operator */ .chroma .o { color: #000000 }
56 | /* OperatorWord */ .chroma .ow { color: #000000 }
57 | /* Comment */ .chroma .c { color: #5D6C79 }
58 | /* CommentHashbang */ .chroma .ch { color: #5D6C79 }
59 | /* CommentMultiline */ .chroma .cm { color: #5D6C79 }
60 | /* CommentSingle */ .chroma .c1 { color: #5D6C79 }
61 | /* CommentSpecial */ .chroma .cs { color: #4A5560 }
62 | /* CommentPreproc */ .chroma .cp { color: #643820 }
63 | /* CommentPreprocFile */ .chroma .cpf { color: #643820 }
64 |
65 | /**
66 | * Dark mode: Colors from "Default (dark)" Xcode theme
67 | */
68 | @media (prefers-color-scheme: dark) {
69 | /* Keyword */ .chroma .k { color: #FC5FA3 }
70 | /* KeywordConstant */ .chroma .kc { color: #FC5FA3 }
71 | /* KeywordDeclaration */ .chroma .kd { color: #FC5FA3 }
72 | /* KeywordNamespace */ .chroma .kn { color: #FC5FA3 }
73 | /* KeywordPseudo */ .chroma .kp { color: #FC5FA3 }
74 | /* KeywordReserved */ .chroma .kr { color: #FC5FA3 }
75 | /* KeywordType */ .chroma .kt { color: #FC5FA3 }
76 | /* Name */ .chroma .n { color: #ffffff }
77 | /* NameAttribute */ .chroma .na { color: #BF8555 }
78 | /* NameBuiltin */ .chroma .nb { color: #FC5FA3 }
79 | /* NameBuiltinPseudo */ .chroma .bp { color: #FC5FA3 }
80 | /* NameClass */ .chroma .nc { color: #9EF1DD }
81 | /* NameConstant */ .chroma .no { color: #67B7A4 }
82 | /* NameDecorator */ .chroma .nd { color: #ffffff }
83 | /* NameEntity */ .chroma .ni { color: #ffffff }
84 | /* NameException */ .chroma .ne { color: #ffffff }
85 | /* NameFunction */ .chroma .nf { color: #67B7A4 }
86 | /* NameFunctionMagic */ .chroma .fm { color: #67B7A4 }
87 | /* NameLabel */ .chroma .nl { color: #ffffff }
88 | /* NameNamespace */ .chroma .nn { color: #ffffff }
89 | /* NameOther */ .chroma .nx { color: #ffffff }
90 | /* NameProperty */ .chroma .py { color: #ffffff }
91 | /* NameTag */ .chroma .nt { color: #ffffff }
92 | /* NameVariable */ .chroma .nv { color: #ffffff }
93 | /* NameVariableClass */ .chroma .vc { color: #ffffff }
94 | /* NameVariableGlobal */ .chroma .vg { color: #67B7A4 }
95 | /* NameVariableInstance */ .chroma .vi { color: #67B7A4 }
96 | /* NameVariableMagic */ .chroma .vm { color: #67B7A4 }
97 | /* Literal */ .chroma .l { color: #D0BF69 }
98 | /* LiteralDate */ .chroma .ld { color: #D0BF69 }
99 | /* LiteralString */ .chroma .s { color: #FC6A5D }
100 | /* LiteralStringAffix */ .chroma .sa { color: #FC6A5D }
101 | /* LiteralStringBacktick */ .chroma .sb { color: #FC6A5D }
102 | /* LiteralStringChar */ .chroma .sc { color: #D0BF69 }
103 | /* LiteralStringDelimiter */ .chroma .dl { color: #FC6A5D }
104 | /* LiteralStringDoc */ .chroma .sd { color: #FC6A5D }
105 | /* LiteralStringDouble */ .chroma .s2 { color: #FC6A5D }
106 | /* LiteralStringEscape */ .chroma .se { color: #FC6A5D }
107 | /* LiteralStringHeredoc */ .chroma .sh { color: #FC6A5D }
108 | /* LiteralStringInterpol */ .chroma .si { color: #FC6A5D }
109 | /* LiteralStringOther */ .chroma .sx { color: #FC6A5D }
110 | /* LiteralStringRegex */ .chroma .sr { color: #FC6A5D }
111 | /* LiteralStringSingle */ .chroma .s1 { color: #FC6A5D }
112 | /* LiteralStringSymbol */ .chroma .ss { color: #FC6A5D }
113 | /* LiteralNumber */ .chroma .m { color: #D0BF69 }
114 | /* LiteralNumberBin */ .chroma .mb { color: #D0BF69 }
115 | /* LiteralNumberFloat */ .chroma .mf { color: #D0BF69 }
116 | /* LiteralNumberHex */ .chroma .mh { color: #D0BF69 }
117 | /* LiteralNumberInteger */ .chroma .mi { color: #D0BF69 }
118 | /* LiteralNumberIntegerLong */ .chroma .il { color: #D0BF69 }
119 | /* LiteralNumberOct */ .chroma .mo { color: #D0BF69 }
120 | /* Operator */ .chroma .o { color: #ffffff }
121 | /* OperatorWord */ .chroma .ow { color: #ffffff }
122 | /* Comment */ .chroma .c { color: #6C7986 }
123 | /* CommentHashbang */ .chroma .ch { color: #6C7986 }
124 | /* CommentMultiline */ .chroma .cm { color: #6C7986 }
125 | /* CommentSingle */ .chroma .c1 { color: #6C7986 }
126 | /* CommentSpecial */ .chroma .cs { color: #92A1B1 }
127 | /* CommentPreproc */ .chroma .cp { color: #FD8F3F }
128 | /* CommentPreprocFile */ .chroma .cpf { color: #FD8F3F }
129 | }
130 |
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/QLPlugin/Resources/shared/shared-main.css:
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1 | /* Variables */
2 |
3 | /* General */
4 | body {
5 | --border-radius: 3px;
6 | --color-background-body: #ffffff;
7 | --color-background-code-block: #f6f8fa;
8 | --color-background-code-inline: #f3f3f3;
9 | --color-background-error: #ffdddd;
10 | --color-border: #dfe2e5;
11 | --color-border-heading: #eaecef;
12 | --color-text: #000000;
13 | --color-text-faded: #6a737d;
14 | --color-text-link: #0366d6;
15 | --font-family-monospace: "Menlo", monospace;
16 | --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Helvetica", sans-serif;
17 | --font-weight-bold: 600;
18 | --spacing-normal: 16px;
19 | --spacing-large: 24px;
20 | }
21 |
22 | /* Dark mode */
23 | @media (prefers-color-scheme: dark) {
24 | body {
25 | --color-background-body: #1e1e1e;
26 | --color-background-code-block: #111111;
27 | --color-background-code-inline: #090909;
28 | --color-background-error: #3c0404;
29 | --color-border: #6f6f6f;
30 | --color-border-heading: #6a6a6a;
31 | --color-text: #ffffff;
32 | --color-text-faded: #9b9b9b;
33 | --color-text-link: #4ba0ff;
34 | }
35 | }
36 |
37 | /* Global styles */
38 |
39 | * {
40 | box-sizing: border-box;
41 | }
42 |
43 | body {
44 | padding: var(--spacing-normal);
45 | overflow: auto;
46 | color: var(--color-text);
47 | font-size: 14px;
48 | font-family: var(--font-family-sans-serif);
49 | line-height: 1.5;
50 | tab-size: 4;
51 | background: var(--color-background-body);
52 |
53 | /* Disable text selection (the copy shortcut doesn't work and no context menu can be opened) */
54 | -webkit-user-select: none;
55 | user-select: none;
56 | }
57 |
58 | /* General element spacing */
59 | blockquote,
60 | ol,
61 | ul,
62 | p,
63 | pre,
64 | table {
65 | margin-top: 0;
66 | margin-bottom: var(--spacing-normal);
67 | }
68 |
69 | body > :first-child {
70 | margin-top: 0;
71 | }
72 |
73 | body > :last-child {
74 | margin-bottom: 0;
75 | }
76 |
77 | /* Text */
78 |
79 | h1,
80 | h2,
81 | h3,
82 | h4,
83 | h5,
84 | h6 {
85 | margin-top: var(--spacing-large);
86 | margin-bottom: var(--spacing-normal);
87 | font-weight: var(--font-weight-bold);
88 | }
89 |
90 | h1,
91 | h2 {
92 | padding-bottom: 0.1em;
93 | border-bottom: 1px solid var(--color-border-heading);
94 | }
95 |
96 | h1 {
97 | margin-top: 0;
98 | font-size: 2em;
99 | }
100 |
101 | h2 {
102 | font-size: 1.5em;
103 | }
104 |
105 | h3 {
106 | font-size: 1.25em;
107 | }
108 |
109 | h4 {
110 | font-size: 1em;
111 | }
112 |
113 | h5 {
114 | font-size: 0.875em;
115 | }
116 |
117 | h6 {
118 | color: var(--color-text-faded);
119 | font-size: 0.85em;
120 | }
121 |
122 | a {
123 | color: var(--color-text-link);
124 | text-decoration: none;
125 | }
126 |
127 | /* Lists */
128 |
129 | ol,
130 | ul {
131 | padding-left: 2em;
132 | }
133 |
134 | ol ol,
135 | ul ol {
136 | list-style-type: lower-roman;
137 | }
138 |
139 | ol ol ol,
140 | ol ul ol,
141 | ul ol ol,
142 | ul ul ol {
143 | list-style-type: lower-alpha;
144 | }
145 |
146 | li + li {
147 | margin-top: 0.25em;
148 | }
149 |
150 | li > p {
151 | margin-top: var(--spacing-normal);
152 | }
153 |
154 | /* Horizontal rules */
155 |
156 | hr {
157 | margin: 24px 0;
158 | border: 0;
159 | border-bottom: 4px solid var(--color-border-heading);
160 | }
161 |
162 | /* Quotes */
163 |
164 | blockquote {
165 | margin-right: 0;
166 | margin-left: 0;
167 | padding: 0 1em;
168 | color: var(--color-text-faded);
169 | border-left: 0.25em solid var(--color-border);
170 | }
171 |
172 | blockquote > :first-child {
173 | margin-top: 0;
174 | }
175 |
176 | blockquote > :last-child {
177 | margin-bottom: 0;
178 | }
179 |
180 | /* Images */
181 | img {
182 | max-width: 100%;
183 | }
184 |
185 | /* Code */
186 |
187 | code,
188 | pre {
189 | font-size: 0.85em;
190 | font-family: var(--font-family-monospace);
191 | }
192 |
193 | /* Tables */
194 |
195 | table {
196 | display: block;
197 | width: 100%;
198 | overflow-x: auto;
199 | border-collapse: collapse;
200 | border-spacing: 0;
201 | }
202 |
203 | th {
204 | font-weight: var(--font-weight-bold);
205 | }
206 |
207 | td,
208 | th,
209 | tr {
210 | border: 1px solid var(--color-border);
211 | }
212 |
213 | td,
214 | th {
215 | padding: 6px 13px;
216 | }
217 |
218 | table tr:nth-child(even) {
219 | background-color: var(--color-background-code-block);
220 | }
221 |
--------------------------------------------------------------------------------
/QLPlugin/Utils/File.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 |
3 | enum FileError: Error {
4 | case fileAttributeError(path: String, message: String)
5 | case fileNotFoundError(path: String)
6 | case fileReadError(path: String, message: String)
7 | }
8 |
9 | extension FileError: LocalizedError {
10 | public var errorDescription: String? {
11 | switch self {
12 | case let .fileAttributeError(path, message):
13 | return NSLocalizedString(
14 | "Could not get attributes for file at path \(path): \(message)",
15 | comment: ""
16 | )
17 | case let .fileNotFoundError(path):
18 | return NSLocalizedString("Could not find file at path \(path)", comment: "")
19 | case let .fileReadError(path, message):
20 | return NSLocalizedString(
21 | "Could not read file at path \(path): \(message)",
22 | comment: ""
23 | )
24 | }
25 | }
26 | }
27 |
28 | /// Utility class for reading the content and metadata of the corresponding file.
29 | class File {
30 | let archiveExtensions = ["tar", "tar.gz", "zip"]
31 | let fileManager = FileManager.default
32 |
33 | var attributes: [FileAttributeKey: Any]
34 | var isDirectory: Bool
35 | var path: String
36 | var url: URL
37 |
38 | var isArchive: Bool { archiveExtensions.contains(url.pathExtension) }
39 | var size: Int { attributes[.size] as? Int ?? 0 }
40 |
41 | /// Looks for a file at the provided URL and saves its metadata as object properties.
42 | init(url: URL) throws {
43 | self.url = url
44 | path = url.path
45 |
46 | // Check whether the provided URL points to a directory
47 | var isDirectoryObjC: ObjCBool = false
48 | guard fileManager.fileExists(atPath: path, isDirectory: &isDirectoryObjC) else {
49 | throw FileError.fileNotFoundError(path: path)
50 | }
51 | isDirectory = isDirectoryObjC.boolValue
52 |
53 | // Read file attributes (e.g. file size)
54 | do {
55 | attributes = try fileManager.attributesOfItem(atPath: path)
56 | } catch let error as NSError {
57 | throw FileError.fileAttributeError(path: path, message: error.localizedDescription)
58 | }
59 | }
60 |
61 | /// Reads and returns the file's content as an UTF-8 string.
62 | func read() throws -> String {
63 | do {
64 | return try String(contentsOf: url, encoding: .utf8)
65 | } catch {
66 | throw FileError.fileReadError(path: path, message: error.localizedDescription)
67 | }
68 | }
69 | }
70 |
--------------------------------------------------------------------------------
/QLPlugin/Utils/FileTree.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 |
3 | enum FileTreeError {
4 | case notADirectoryError(pathParts: [String.SubSequence], pathPartIndex: Int)
5 | }
6 |
7 | extension FileTreeError: LocalizedError {
8 | public var errorDescription: String? {
9 | switch self {
10 | case let .notADirectoryError(pathParts, pathPartIndex):
11 | return NSLocalizedString(
12 | "Cannot create file tree node with path \"\(pathParts.joined())\": \"\(pathParts[pathPartIndex])\" is not a directory",
13 | comment: ""
14 | )
15 | }
16 | }
17 | }
18 |
19 | /// Data structure for representing a single file/directory in a tree. The class is designed to be
20 | /// used in an `NSOutlineView`, which is why the `@objc` attributes are required.
21 | class FileTreeNode: NSObject {
22 | /// Name of the file (without path information), e.g. `"myfile.txt"`
23 | @objc let name: String
24 | /// File size in bytes
25 | @objc let size: Int
26 | @objc let isDirectory: Bool
27 | @objc var dateModified: Date?
28 | /// Child nodes of a directory
29 | @objc var children = [String: FileTreeNode]()
30 |
31 | /// Number of child nodes (required for rendering the tree in an `NSOutlineView`)
32 | @objc var childrenCount: Int { children.values.count }
33 | /// List of child nodes (required for rendering the tree in an `NSOutlineView`)
34 | @objc var childrenList: [FileTreeNode] { Array(children.values) }
35 | /// Whether the node has any children (required for rendering the tree in an `NSOutlineView`)
36 | @objc var hasChildren: Bool { children.isEmpty }
37 |
38 | convenience init(name: String, size: Int, isDirectory: Bool) {
39 | self.init(name: name, size: size, isDirectory: isDirectory, dateModified: nil)
40 | }
41 |
42 | init(name: String, size: Int, isDirectory: Bool, dateModified: Date?) {
43 | self.name = name
44 | self.size = size
45 | self.isDirectory = isDirectory
46 | self.dateModified = dateModified
47 | }
48 | }
49 |
50 | /// Data structure for representing a tree of files and directories. This class stores the root node
51 | /// and provides functionality to insert new nodes.
52 | class FileTree {
53 | var root = FileTreeNode(name: "Root", size: 0, isDirectory: true, dateModified: Date())
54 |
55 | /// Parses the provided file/directory's path and creates a new `FileTreeNode` at the correct
56 | /// position in the tree. If a file/directory's parent directory doesn't exist yet, it will
57 | /// be created (with `dateModified` set to `nil`).
58 | func addNode(path: String, isDirectory: Bool, size: Int, dateModified: Date?) throws {
59 | try addNode(
60 | parentNode: root,
61 | pathParts: path.split(separator: "/", omittingEmptySubsequences: true),
62 | pathPartIndex: 0,
63 | isDirectory: isDirectory,
64 | size: size,
65 | dateModified: dateModified
66 | )
67 | }
68 |
69 | /// Parses the provided file/directory's path and creates a new `FileTreeNode` at the correct
70 | /// position in the tree. This is a helper function for the `addNode` function. It performs a
71 | /// recursive tree traversal to find the node's location.
72 | private func addNode(
73 | parentNode: FileTreeNode,
74 | pathParts: [String.SubSequence],
75 | pathPartIndex: Int,
76 | isDirectory: Bool,
77 | size: Int,
78 | dateModified: Date?
79 | ) throws {
80 | let isLastPathPart = pathPartIndex == pathParts.count - 1
81 | let name = String(pathParts[pathPartIndex])
82 | var currentNode = parentNode.children[name]
83 |
84 | if isLastPathPart {
85 | // Reached end of path: Add to tree
86 | if currentNode == nil {
87 | // Node doesn't exist yet: Create it
88 | parentNode.children[name] = FileTreeNode(
89 | name: name,
90 | size: size,
91 | isDirectory: isDirectory,
92 | dateModified: dateModified
93 | )
94 | } else {
95 | // Node already exists (i.e. directory has been created implicitly in a previous
96 | // function call): Update the directory node with the missing `dateModified` info
97 | currentNode!.dateModified = dateModified
98 | }
99 | } else {
100 | // Not yet at end of path: Recurse into subdirectory
101 | if currentNode == nil {
102 | // Directory that doesn't exist yet: Create it
103 | currentNode = FileTreeNode(
104 | name: name,
105 | size: 0,
106 | isDirectory: true
107 | )
108 | parentNode.children[name] = currentNode
109 | } else {
110 | // Directory exists: Make sure it's not a file
111 | if !currentNode!.isDirectory {
112 | throw FileTreeError.notADirectoryError(
113 | pathParts: pathParts,
114 | pathPartIndex: pathPartIndex
115 | )
116 | }
117 | }
118 | // Recurse: Execute function again for next path part
119 | try addNode(
120 | parentNode: currentNode!,
121 | pathParts: pathParts,
122 | pathPartIndex: pathPartIndex + 1,
123 | isDirectory: isDirectory,
124 | size: size,
125 | dateModified: dateModified
126 | )
127 | }
128 | }
129 | }
130 |
--------------------------------------------------------------------------------
/QLPlugin/Utils/HTMLRenderer.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 | import HTMLConverter
3 |
4 | extension String {
5 | /// Converts the Swift string to a C string.
6 | func toCString() -> UnsafeMutablePointer {
7 | UnsafeMutablePointer(mutating: (self as NSString).utf8String!)
8 | }
9 | }
10 |
11 | enum HTMLRendererError {
12 | case rendererError(fileType: String, errorMessage: String)
13 | }
14 |
15 | extension HTMLRendererError: LocalizedError {
16 | public var errorDescription: String? {
17 | switch self {
18 | case let .rendererError(fileType, errorMessage):
19 | return NSLocalizedString(
20 | "Could not convert \(fileType) to HTML: \(errorMessage)",
21 | comment: ""
22 | )
23 | }
24 | }
25 | }
26 |
27 | class HTMLRenderer {
28 | /// Throws an error if the return value indicates one. Because all `HTMLConverter` return values
29 | /// are C strings, errors are implemented as return values starting with "error: ".
30 | static func throwIfErrored(fileType: String, returnValue: String) throws {
31 | if returnValue.hasPrefix("error :") {
32 | let startIndex = returnValue.index(returnValue.startIndex, offsetBy: 7)
33 | let errorMessage = returnValue[startIndex ..< returnValue.endIndex]
34 | throw HTMLRendererError.rendererError(
35 | fileType: fileType,
36 | errorMessage: String(errorMessage)
37 | )
38 | }
39 | }
40 |
41 | /// Converts a code string to HTML with support for syntax highlighting.
42 | static func renderCode(_ source: String, lexer: String) throws -> String {
43 | let htmlCString = convertCodeToHTML(source.toCString(), lexer.toCString())
44 | let htmlString = String(cString: htmlCString!)
45 | try throwIfErrored(fileType: "code", returnValue: htmlString)
46 | return htmlString
47 | }
48 |
49 | /// Converts a Markdown string to HTML.
50 | static func renderMarkdown(_ source: String) throws -> String {
51 | let htmlCString = convertMarkdownToHTML(source.toCString())
52 | let htmlString = String(cString: htmlCString!)
53 | try throwIfErrored(fileType: "Markdown", returnValue: htmlString)
54 | return htmlString
55 | }
56 |
57 | /// Converts a Jupyter Notebook JSON file to HTML.
58 | static func renderNotebook(_ source: String) throws -> String {
59 | let htmlCString = convertNotebookToHTML(source.toCString())
60 | let htmlString = String(cString: htmlCString!)
61 | try throwIfErrored(fileType: "Jupyter Notebook", returnValue: htmlString)
62 | return htmlString
63 | }
64 | }
65 |
--------------------------------------------------------------------------------
/QLPlugin/Utils/WebAsset/Script.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 |
3 | class Script: WebAsset {
4 | private var content: String?
5 | private var url: URL?
6 |
7 | required init(content: String) {
8 | self.content = content
9 | }
10 |
11 | required init(url: URL) {
12 | self.url = url
13 | }
14 |
15 | func getHTML() -> String {
16 | if let url = url {
17 | return ""
18 | } else {
19 | return ""
20 | }
21 | }
22 | }
23 |
--------------------------------------------------------------------------------
/QLPlugin/Utils/WebAsset/Stylesheet.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 |
3 | class Stylesheet: WebAsset {
4 | private var content: String?
5 | private var url: URL?
6 |
7 | required init(content: String) {
8 | self.content = content
9 | }
10 |
11 | required init(url: URL) {
12 | self.url = url
13 | }
14 |
15 | func getHTML() -> String {
16 | if let url = url {
17 | return ""
18 | } else {
19 | return ""
20 | }
21 | }
22 | }
23 |
--------------------------------------------------------------------------------
/QLPlugin/Utils/WebAsset/WebAsset.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 |
3 | protocol WebAsset {
4 | init(content: String)
5 | init(url: URL)
6 | func getHTML() -> String
7 | }
8 |
--------------------------------------------------------------------------------
/QLPlugin/Views/PreviewVC.swift:
--------------------------------------------------------------------------------
1 | import Cocoa
2 | import Foundation
3 | import os.log
4 |
5 | /// View controller for rendering previews of a specific file type.
6 | protocol PreviewVC: NSViewController {}
7 |
8 | /// Class that can be used to create an instance of a `PreviewVC` for the corresponding file type.
9 | protocol Preview {
10 | init()
11 | func createPreviewVC(file: File) throws -> PreviewVC
12 | }
13 |
--------------------------------------------------------------------------------
/QLPlugin/Views/PreviewVCFactory.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 |
3 | /// Returns a `PreviewVC` subclass that can be used to generate a preview of the provided file.
4 | /// May return `nil` if the file is not supported.
5 | class PreviewVCFactory {
6 | static func getPreviewInitializer(fileURL: URL) -> Preview.Type? {
7 | switch fileURL.pathExtension.lowercased() {
8 | case "applescript", "scpt", "scptd":
9 | return AppleScriptPreview.self
10 | case "gz":
11 | // `gzip` is only supported for tarballs
12 | return fileURL.path.hasSuffix(".tar.gz") ? TARPreview.self : nil
13 | case "md", "markdown", "mdown", "mkdn", "mkd", "rmd":
14 | return MarkdownPreview.self
15 | case "ipynb":
16 | return JupyterPreview.self
17 | case "tar":
18 | return TARPreview.self
19 | case "tab", "tsv":
20 | return TSVPreview.self
21 | case "ear", "jar", "war", "zip":
22 | return ZIPPreview.self
23 | default:
24 | return CodePreview.self
25 | }
26 | }
27 | }
28 |
--------------------------------------------------------------------------------
/QLPlugin/Views/PreviewVCs/OutlinePreviewVC.swift:
--------------------------------------------------------------------------------
1 | import Cocoa
2 |
3 | class OutlinePreviewVC: NSViewController, PreviewVC {
4 | @objc dynamic var rootNodes: [FileTreeNode]
5 | private let labelText: String?
6 |
7 | @objc dynamic var customSortDescriptors = [NSSortDescriptor(key: "name", ascending: true)]
8 |
9 | @IBOutlet private var treeController: NSTreeController!
10 | @IBOutlet private var outlineView: NSOutlineView!
11 | @IBOutlet private var label: NSTextField!
12 |
13 | required convenience init(rootNodes: [FileTreeNode], labelText: String?) {
14 | self.init(nibName: nil, bundle: nil, rootNodes: rootNodes, labelText: labelText)
15 | }
16 |
17 | init(
18 | nibName nibNameOrNil: NSNib.Name?,
19 | bundle nibBundleOrNil: Bundle?,
20 | rootNodes: [FileTreeNode],
21 | labelText: String?
22 | ) {
23 | self.rootNodes = rootNodes
24 | self.labelText = labelText
25 | super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
26 |
27 | // Register required value transformers
28 | ValueTransformer.setValueTransformer(DateTransformer(), forName: .dateTransformerName)
29 | ValueTransformer.setValueTransformer(IconTransformer(), forName: .iconTransformerName)
30 | ValueTransformer.setValueTransformer(SizeTransformer(), forName: .sizeTransformerName)
31 | }
32 |
33 | @available(*, unavailable)
34 | required init?(coder _: NSCoder) {
35 | fatalError("init(coder:) has not been implemented")
36 | }
37 |
38 | override func viewDidLoad() {
39 | super.viewDidLoad()
40 | setUpView()
41 | expandSingleRootItem()
42 | }
43 |
44 | private func setUpView() {
45 | // Add file tree to `treeController`
46 | for node in rootNodes {
47 | treeController.addObject(node)
48 | }
49 |
50 | // Add label
51 | label.stringValue = labelText ?? ""
52 | }
53 |
54 | /// If the root contains a single item, this function expands its children.
55 | private func expandSingleRootItem() {
56 | let root = treeController.arrangedObjects
57 | if root.children?.count == 1 {
58 | outlineView.expandItem(root.children?.first!)
59 | }
60 | }
61 | }
62 |
63 | /// `ValueTransformer` which formats the provided date.
64 | class DateTransformer: ValueTransformer {
65 | let dateFormatter = DateFormatter()
66 | let fallbackValue = "--"
67 |
68 | override init() {
69 | // Use same date format as Finder
70 | dateFormatter.dateStyle = .medium
71 | dateFormatter.timeStyle = .short
72 | dateFormatter.doesRelativeDateFormatting = true
73 | }
74 |
75 | override class func transformedValueClass() -> AnyClass { NSString.self }
76 |
77 | override class func allowsReverseTransformation() -> Bool { false }
78 |
79 | override func transformedValue(_ value: Any?) -> Any? {
80 | guard let date = value as? Date else {
81 | return nil
82 | }
83 |
84 | // Dates which are `nil` are passed to this function as epoch dates (default value). If
85 | // this is the case, return "--" instead (same behavior as Finder)
86 | return date.timeIntervalSince1970 == 0 ? fallbackValue : dateFormatter.string(from: date)
87 | }
88 | }
89 |
90 | /// `ValueTransformer` which returns the correct icon depending on whether the current row
91 | /// represents a file or directory.
92 | class IconTransformer: ValueTransformer {
93 | let directoryIcon = NSImage(
94 | contentsOfFile: "/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/GenericFolderIcon.icns"
95 | )
96 | let fileIcon = NSImage(
97 | contentsOfFile: "/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/GenericDocumentIcon.icns"
98 | )
99 |
100 | override class func transformedValueClass() -> AnyClass { NSImage.self }
101 |
102 | override class func allowsReverseTransformation() -> Bool { false }
103 |
104 | override func transformedValue(_ value: Any?) -> Any? {
105 | guard let isDirectoryNumber = value as? NSNumber else {
106 | return nil
107 | }
108 | let isDirectory = Bool(truncating: isDirectoryNumber)
109 | return isDirectory ? directoryIcon : fileIcon
110 | }
111 | }
112 |
113 | /// `ValueTransformer` which formats the provided number of bytes as a human-readable string (e.g.
114 | /// `12345` -> `"12.345 KB"` or `0` -> `"--"`).
115 | class SizeTransformer: ValueTransformer {
116 | let byteCountFormatter = ByteCountFormatter()
117 | let fallbackValue = "--"
118 |
119 | override class func transformedValueClass() -> AnyClass { NSString.self }
120 |
121 | override class func allowsReverseTransformation() -> Bool { false }
122 |
123 | override func transformedValue(_ value: Any?) -> Any? {
124 | guard let size = value as? NSNumber else {
125 | return nil
126 | }
127 |
128 | // Format number of bytes in human-readable way. If the size is 0 bytes, return "--" instead
129 | // (same behavior as Finder)
130 | return size == 0 ? fallbackValue : (byteCountFormatter.string(for: size) ?? fallbackValue)
131 | }
132 | }
133 |
134 | extension NSValueTransformerName {
135 | static let dateTransformerName = NSValueTransformerName(rawValue: "DateTransformer")
136 | static let iconTransformerName = NSValueTransformerName(rawValue: "IconTransformer")
137 | static let sizeTransformerName = NSValueTransformerName(rawValue: "SizeTransformer")
138 | }
139 |
--------------------------------------------------------------------------------
/QLPlugin/Views/PreviewVCs/TablePreviewVC.swift:
--------------------------------------------------------------------------------
1 | import Cocoa
2 | import os.log
3 |
4 | class TablePreviewVC: NSViewController, PreviewVC {
5 | let headers: [String]
6 | let cells: [[String: String]]
7 |
8 | @IBOutlet private var tableView: NSTableView!
9 |
10 | required convenience init(headers: [String], cells: [[String: String]]) {
11 | self.init(nibName: nil, bundle: nil, headers: headers, cells: cells)
12 | }
13 |
14 | init(
15 | nibName nibNameOrNil: NSNib.Name?,
16 | bundle nibBundleOrNil: Bundle?,
17 | headers: [String],
18 | cells: [[String: String]]
19 | ) {
20 | self.headers = headers
21 | self.cells = cells
22 | super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
23 | }
24 |
25 | @available(*, unavailable)
26 | required init?(coder _: NSCoder) {
27 | fatalError("init(coder:) has not been implemented")
28 | }
29 |
30 | override func viewDidLoad() {
31 | super.viewDidLoad()
32 | setUpView()
33 | deleteDefaultColumns()
34 | createColumns()
35 | }
36 |
37 | private func setUpView() {
38 | tableView.delegate = self
39 | tableView.dataSource = self
40 | }
41 |
42 | /// Deletes all columns created by default using Interface Builder.
43 | private func deleteDefaultColumns() {
44 | while !tableView.tableColumns.isEmpty {
45 | if let column = tableView.tableColumns.first {
46 | tableView.removeTableColumn(column)
47 | }
48 | }
49 | }
50 |
51 | /// Creates table columns for all headers.
52 | private func createColumns() {
53 | for header in headers {
54 | let columnID = NSUserInterfaceItemIdentifier(rawValue: header)
55 | let column = NSTableColumn(identifier: columnID)
56 | column.title = header
57 | column.minWidth = 50
58 | column.maxWidth = 500
59 | tableView.addTableColumn(column)
60 | }
61 | }
62 | }
63 |
64 | extension TablePreviewVC: NSTableViewDataSource, NSTableViewDelegate {
65 | func numberOfRows(in _: NSTableView) -> Int {
66 | cells.count
67 | }
68 |
69 | /// Fills the table with the `tableData`.
70 | func tableView(
71 | _: NSTableView,
72 | viewFor tableColumn: NSTableColumn?,
73 | row rowIndex: Int
74 | ) -> NSView? {
75 | let row = cells[rowIndex]
76 | let cellValue = row[tableColumn!.identifier.rawValue] ?? ""
77 |
78 | let textField = NSTextField()
79 | textField.stringValue = cellValue
80 | textField.isEditable = false
81 | textField.isBordered = false
82 | textField.drawsBackground = false
83 | textField.lineBreakMode = .byTruncatingTail
84 |
85 | return textField
86 | }
87 | }
88 |
--------------------------------------------------------------------------------
/QLPlugin/Views/PreviewVCs/TablePreviewVC.xib:
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1 |
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4 |
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95 |
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/QLPlugin/Views/PreviewVCs/WebPreviewVC.swift:
--------------------------------------------------------------------------------
1 | import Cocoa
2 | import Foundation
3 | import os.log
4 | import WebKit
5 |
6 | class WebPreviewVC: NSViewController, PreviewVC {
7 | private let html: String
8 | private let stylesheets: [Stylesheet]
9 | private let scripts: [Script]
10 |
11 | /// Stylesheet with CSS that applies to all file types
12 | private let sharedStylesheetURL = Bundle.main.url(
13 | forResource: "shared-main",
14 | withExtension: "css"
15 | )
16 |
17 | @IBOutlet private var webView: OfflineWebView!
18 |
19 | required convenience init(
20 | html: String,
21 | stylesheets: [Stylesheet] = [],
22 | scripts: [Script] = []
23 | ) {
24 | self.init(nibName: nil, bundle: nil, html: html, stylesheets: stylesheets, scripts: scripts)
25 | }
26 |
27 | init(
28 | nibName nibNameOrNil: NSNib.Name?,
29 | bundle nibBundleOrNil: Bundle?,
30 | html: String,
31 | stylesheets: [Stylesheet] = [],
32 | scripts: [Script] = []
33 | ) {
34 | self.html = html
35 | self.stylesheets = [Stylesheet(url: sharedStylesheetURL!)] + stylesheets
36 | self.scripts = scripts
37 | super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
38 | }
39 |
40 | @available(*, unavailable)
41 | required init?(coder _: NSCoder) {
42 | fatalError("init(coder:) has not been implemented")
43 | }
44 |
45 | override func viewDidLoad() {
46 | super.viewDidLoad()
47 | setUpView()
48 | loadPreview()
49 | }
50 |
51 | private func setUpView() {
52 | // Remove background to prevent white flicker on load in Dark Mode
53 | webView.setValue(false, forKey: "drawsBackground")
54 | }
55 |
56 | private func loadPreview() {
57 | let linkTags = stylesheets
58 | .map { $0.getHTML() }
59 | .joined(separator: "\n")
60 | let scriptTags = scripts
61 | .map { $0.getHTML() }
62 | .joined(separator: "\n")
63 |
64 | webView.loadHTMLString("""
65 |
66 |
67 |
68 |
69 |
73 | \(linkTags)
74 |
75 |
76 | \(html)
77 | \(scriptTags)
78 |
79 |
80 | """, baseURL: Bundle.main.resourceURL)
81 | }
82 | }
83 |
--------------------------------------------------------------------------------
/QLPlugin/Views/PreviewVCs/WebPreviewVC.xib:
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1 |
2 |
3 |
4 |
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38 |
39 |
40 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Previews/AppleScriptPreview.swift:
--------------------------------------------------------------------------------
1 | import SwiftExec
2 |
3 | /// View controller for previewing AppleScript files:
4 | ///
5 | /// - `.applescript`: AppleScript text file (can be read directly)
6 | /// - `.scpt`: AppleScript binary (needs to be decompiled)
7 | /// - `.scptd`: AppleScript bundle (includes a binary, which needs to be decompiled)
8 | ///
9 | /// The class extends `CodePreview` so syntax highlighting is applied after the script's content has
10 | /// been determined.
11 | ///
12 | // TODO: Scripts can also be written in JavaScript (JXA). This language needs to be detected and
13 | // passed to Chroma to get correct syntax highlighting.
14 | class AppleScriptPreview: CodePreview {
15 | override func getSource(file: File) throws -> String {
16 | if file.url.pathExtension == "scpt" || file.url.pathExtension == "scptd" {
17 | let result = try exec(
18 | program: "/usr/bin/osadecompile",
19 | arguments: [file.path]
20 | )
21 | return result.stdout ?? ""
22 | }
23 | return try file.read()
24 | }
25 | }
26 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Previews/CodePreview.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 | import os.log
3 |
4 | let dotfileLexers = [
5 | // Files with syntax supported by Chroma
6 | ".bashrc": ".bashrc",
7 | ".vimrc": ".vimrc",
8 | ".zprofile": "zsh",
9 | ".zshrc": ".zshrc",
10 | "dockerfile": "Dockerfile",
11 | "gemfile": "Gemfile",
12 | "gnumakefile": "Makefile",
13 | "makefile": "Makefile",
14 | "pkgbuild": "PKGBUILD",
15 | "rakefile": "Rakefile",
16 |
17 | // Files for which a different, similar syntax is used
18 | ".dockerignore": "bash",
19 | ".editorconfig": "ini",
20 | ".gitattributes": "bash",
21 | ".gitconfig": "ini",
22 | ".gitignore": "bash",
23 | ".npmignore": "bash",
24 | ".zsh_history": "txt",
25 | ]
26 |
27 | let fileExtensionLexers = [
28 | // Files with syntax supported by Chroma
29 | "alfredappearance": "json",
30 | "cls": "tex",
31 | "entitlements": "xml",
32 | "hbs": "handlebars",
33 | "iml": "xml",
34 | "plist": "xml",
35 | "resolved": "json",
36 | "scpt": "applescript",
37 | "scptd": "applescript",
38 | "spf": "xml",
39 | "spTheme": "xml",
40 | "storyboard": "xml",
41 | "stringsdict": "xml",
42 | "sty": "tex",
43 | "webmanifest": "json",
44 | "xcscheme": "xml",
45 | "xib": "xml",
46 |
47 | // Files for which a different, similar syntax is used
48 | "liquid": "twig",
49 | "modulemap": "hcl",
50 | "njk": "twig",
51 | "pbxproj": "txt",
52 | "strings": "c",
53 | ]
54 |
55 | class CodePreview: Preview {
56 | private let chromaStylesheetURL = Bundle.main.url(
57 | forResource: "shared-chroma",
58 | withExtension: "css"
59 | )
60 |
61 | required init() {}
62 |
63 | /// Returns the name of the Chroma lexer to use for the file. This is determined based on the
64 | /// file name/extension.
65 | private func getLexer(fileURL: URL) -> String {
66 | if fileURL.pathExtension.isEmpty {
67 | // Dotfile
68 | return dotfileLexers[fileURL.lastPathComponent.lowercased(), default: "autodetect"]
69 | } else if fileURL.pathExtension.lowercased() == "dist" {
70 | // .dist file
71 | return getLexer(fileURL: fileURL.deletingPathExtension())
72 | } else {
73 | // File with extension
74 | return fileExtensionLexers[
75 | fileURL.pathExtension.lowercased(),
76 | default: fileURL.pathExtension
77 | ]
78 | }
79 | }
80 |
81 | func getSource(file: File) throws -> String {
82 | try file.read()
83 | }
84 |
85 | private func getHTML(file: File) throws -> String {
86 | var source: String
87 | do {
88 | source = try getSource(file: file)
89 | } catch {
90 | os_log(
91 | "Could not read code file: %{public}s",
92 | log: Log.parse,
93 | type: .error,
94 | error.localizedDescription
95 | )
96 | throw error
97 | }
98 |
99 | let lexer = getLexer(fileURL: file.url)
100 | do {
101 | return try HTMLRenderer.renderCode(source, lexer: lexer)
102 | } catch {
103 | os_log(
104 | "Could not generate code HTML: %{public}s",
105 | log: Log.render,
106 | type: .error,
107 | error.localizedDescription
108 | )
109 | throw error
110 | }
111 | }
112 |
113 | private func getStylesheets() -> [Stylesheet] {
114 | var stylesheets = [Stylesheet]()
115 |
116 | // Chroma stylesheet (for code syntax highlighting)
117 | if let chromaStylesheetURL = chromaStylesheetURL {
118 | stylesheets.append(Stylesheet(url: chromaStylesheetURL))
119 | } else {
120 | os_log("Could not find Chroma stylesheet", log: Log.render, type: .error)
121 | }
122 |
123 | return stylesheets
124 | }
125 |
126 | func createPreviewVC(file: File) throws -> PreviewVC {
127 | WebPreviewVC(
128 | html: try getHTML(file: file),
129 | stylesheets: getStylesheets()
130 | )
131 | }
132 | }
133 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Previews/JupyterPreview.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 | import os.log
3 |
4 | class JupyterPreview: Preview {
5 | private let chromaStylesheetURL = Bundle.main.url(
6 | forResource: "shared-chroma",
7 | withExtension: "css"
8 | )
9 | private let katexAutoRenderScriptURL = Bundle.main.url(
10 | forResource: "jupyter-katex-auto-render.min",
11 | withExtension: "js"
12 | )
13 | private let katexScriptURL = Bundle.main.url(
14 | forResource: "jupyter-katex.min",
15 | withExtension: "js"
16 | )
17 | private let katexStylesheetURL = Bundle.main.url(
18 | forResource: "jupyter-katex.min",
19 | withExtension: "css"
20 | )
21 | private let mainStylesheetURL = Bundle.main.url(
22 | forResource: "jupyter-main",
23 | withExtension: "css"
24 | )
25 |
26 | required init() {}
27 |
28 | private func getHTML(file: File) throws -> String {
29 | var source: String
30 | do {
31 | source = try file.read()
32 | } catch {
33 | os_log(
34 | "Could not read Jupyter Notebook file: %{public}s",
35 | log: Log.parse,
36 | type: .error,
37 | error.localizedDescription
38 | )
39 | throw error
40 | }
41 |
42 | do {
43 | return try HTMLRenderer.renderNotebook(source)
44 | } catch {
45 | os_log(
46 | "Could not generate Jupyter Notebook HTML: %{public}s",
47 | log: Log.render,
48 | type: .error,
49 | error.localizedDescription
50 | )
51 | throw error
52 | }
53 | }
54 |
55 | private func getStylesheets() -> [Stylesheet] {
56 | var stylesheets = [Stylesheet]()
57 |
58 | // Main Jupyter stylesheet (overrides and additions for nbtohtml stylesheet)
59 | if let mainStylesheetURL = mainStylesheetURL {
60 | stylesheets.append(Stylesheet(url: mainStylesheetURL))
61 | } else {
62 | os_log("Could not find main Jupyter stylesheet", log: Log.render, type: .error)
63 | }
64 |
65 | // Chroma stylesheet (for code syntax highlighting)
66 | if let chromaStylesheetURL = chromaStylesheetURL {
67 | stylesheets.append(Stylesheet(url: chromaStylesheetURL))
68 | } else {
69 | os_log("Could not find Chroma stylesheet", log: Log.render, type: .error)
70 | }
71 |
72 | // KaTeX stylesheet (for rendering LaTeX math)
73 | if let katexStylesheetURL = katexStylesheetURL {
74 | stylesheets.append(Stylesheet(url: katexStylesheetURL))
75 | } else {
76 | os_log("Could not find KaTeX stylesheet", log: Log.render, type: .error)
77 | }
78 |
79 | return stylesheets
80 | }
81 |
82 | private func getScripts() -> [Script] {
83 | var scripts = [Script]()
84 |
85 | // KaTeX library (for rendering LaTeX math)
86 | if let katexScriptURL = katexScriptURL {
87 | scripts.append(Script(url: katexScriptURL))
88 | } else {
89 | os_log("Could not find KaTeX script", log: Log.render, type: .error)
90 | }
91 |
92 | // KaTeX auto-renderer (finds LaTeX math ond the page and calls KaTeX on it)
93 | if let katexAutoRenderScriptURL = katexAutoRenderScriptURL {
94 | scripts.append(Script(url: katexAutoRenderScriptURL))
95 | } else {
96 | os_log("Could not find KaTeX auto-render script", log: Log.render, type: .error)
97 | }
98 |
99 | // Main script (calls the KaTeX auto-renderer)
100 | scripts.append(Script(content: "renderMathInElement(document.body);"))
101 |
102 | return scripts
103 | }
104 |
105 | func createPreviewVC(file: File) throws -> PreviewVC {
106 | WebPreviewVC(
107 | html: try getHTML(file: file),
108 | stylesheets: getStylesheets(),
109 | scripts: getScripts()
110 | )
111 | }
112 | }
113 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Previews/MarkdownPreview.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 | import os.log
3 |
4 | class MarkdownPreview: Preview {
5 | private let chromaStylesheetURL = Bundle.main.url(
6 | forResource: "shared-chroma",
7 | withExtension: "css"
8 | )
9 | private let mainStylesheetURL = Bundle.main.url(
10 | forResource: "markdown-main",
11 | withExtension: "css"
12 | )
13 |
14 | required init() {}
15 |
16 | private func getHTML(file: File) throws -> String {
17 | var source: String
18 | do {
19 | source = try file.read()
20 | } catch {
21 | os_log(
22 | "Could not read Markdown file: %{public}s",
23 | log: Log.parse,
24 | type: .error,
25 | error.localizedDescription
26 | )
27 | throw error
28 | }
29 |
30 | do {
31 | let html = try HTMLRenderer.renderMarkdown(source)
32 | return "\(html)"
33 | } catch {
34 | os_log(
35 | "Could not generate Markdown HTML: %{public}s",
36 | log: Log.render,
37 | type: .error,
38 | error.localizedDescription
39 | )
40 | throw error
41 | }
42 | }
43 |
44 | private func getStylesheets() -> [Stylesheet] {
45 | var stylesheets = [Stylesheet]()
46 |
47 | // Main Markdown stylesheet
48 | if let mainStylesheetURL = mainStylesheetURL {
49 | stylesheets.append(Stylesheet(url: mainStylesheetURL))
50 | } else {
51 | os_log("Could not find main Markdown stylesheet", log: Log.render, type: .error)
52 | }
53 |
54 | // Chroma stylesheet (for code syntax highlighting)
55 | if let chromaStylesheetURL = chromaStylesheetURL {
56 | stylesheets.append(Stylesheet(url: chromaStylesheetURL))
57 | } else {
58 | os_log("Could not find Chroma stylesheet", log: Log.render, type: .error)
59 | }
60 |
61 | return stylesheets
62 | }
63 |
64 | func createPreviewVC(file: File) throws -> PreviewVC {
65 | WebPreviewVC(
66 | html: try getHTML(file: file),
67 | stylesheets: getStylesheets()
68 | )
69 | }
70 | }
71 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Previews/TARPreview.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 | import os.log
3 | import SwiftExec
4 |
5 | /// View controller for previewing tarballs (may be gzipped).
6 | class TARPreview: Preview {
7 | let filesRegex = #"(.{10}) +\d+ +.+ +.+ +(\d+) +(\w{3} +\d+ +[\d:]+) +(.+)"#
8 | let sizeRegex = #" +\d+ +(\d+) +([\d.]+)% +.+"#
9 |
10 | let byteCountFormatter = ByteCountFormatter()
11 | let dateFormatter1 = DateFormatter()
12 | let dateFormatter2 = DateFormatter()
13 |
14 | required init() {
15 | initDateFormatters()
16 | }
17 |
18 | /// Sets up `dateFormatter1` and `dateFormatter2` to parse date strings from `tar` output. Date
19 | /// strings may be in one of the following formats:
20 | ///
21 | /// - "MMM dd HH:mm", e.g. "Mar 28 15:36" (date is in current year)
22 | /// - "MMM dd yyyy", e.g. "Dec 29 2018"
23 | private func initDateFormatters() {
24 | // Set default date to today to parse dates in current year
25 | dateFormatter1.defaultDate = Date()
26 |
27 | // Specify date formats
28 | dateFormatter1.dateFormat = "MMM dd HH:mm"
29 | dateFormatter2.dateFormat = "MMM dd yyyy"
30 | }
31 |
32 | private func runTARFilesCommand(filePath: String) throws -> String {
33 | let result = try exec(
34 | program: "/usr/bin/tar",
35 | arguments: [
36 | "--gzip", // Allows listing contents of `.tar.gz` files
37 | "--list",
38 | "--verbose",
39 | "--file",
40 | filePath,
41 | ]
42 | )
43 | return result.stdout ?? ""
44 | }
45 |
46 | private func runGZIPSizeCommand(filePath: String) throws -> String {
47 | let result = try exec(program: "/usr/bin/gzip", arguments: ["--list", filePath])
48 | return result.stdout ?? ""
49 | }
50 |
51 | /// Parses a date string from `tar` output to a `Date` object.
52 | private func parseDate(dateString: String) -> Date? {
53 | if dateString.contains(":") {
54 | return dateFormatter1.date(from: dateString)
55 | } else {
56 | return dateFormatter2.date(from: dateString)
57 | }
58 | }
59 |
60 | private func parseTARFiles(lines: String) -> FileTree {
61 | let fileTree = FileTree()
62 |
63 | // List entry format: "-rw-r--r-- 0 user staff 642 Dec 29 2018 my-tar/file.ext"
64 | // - Column 1: Permissions ("-" as first character indicates a file, "d" a directory)
65 | // - Column 5: File size in bytes
66 | // - Columns 6-8: Date modified
67 | // - Column 9: File path
68 | let fileMatches = lines.matchRegex(regex: filesRegex)
69 | for fileMatch in fileMatches {
70 | let permissions = fileMatch[1]
71 | let size = Int(fileMatch[2]) ?? 0
72 | let dateModified = parseDate(dateString: fileMatch[3])
73 | let path = fileMatch[4]
74 | do {
75 | // Add file/directory node to tree
76 | try fileTree.addNode(
77 | path: path,
78 | isDirectory: permissions.first == "d",
79 | size: size,
80 | dateModified: dateModified
81 | )
82 | } catch {
83 | os_log("%{public}s", log: Log.parse, type: .error, error.localizedDescription)
84 | }
85 | }
86 |
87 | return fileTree
88 | }
89 |
90 | private func parseGZIPSize(lines: String)
91 | -> (sizeUncompressed: Int?, compressionRatio: Double?) {
92 | let sizeMatches = lines.matchRegex(regex: sizeRegex)
93 | let sizeUncompressed = Int(sizeMatches[0][1])
94 | let compressionRatio = Double(sizeMatches[0][2])
95 | return (sizeUncompressed, compressionRatio)
96 | }
97 |
98 | func createPreviewVC(file: File) throws -> PreviewVC {
99 | let isGzipped = file.path.hasSuffix(".tar.gz")
100 |
101 | // Parse TAR contents
102 | let filesOutput = try runTARFilesCommand(filePath: file.path)
103 | let fileTree = parseTARFiles(lines: filesOutput)
104 | var labelText =
105 | "\(isGzipped ? "Compressed" : "Size"): \(byteCountFormatter.string(for: file.size) ?? "--")"
106 |
107 | // If tarball is gzipped: Get compression information
108 | if isGzipped {
109 | let sizeOutput = try runGZIPSizeCommand(filePath: file.path)
110 | let (sizeUncompressed, compressionRatio) = parseGZIPSize(lines: sizeOutput)
111 | labelText += """
112 |
113 | Uncompressed: \(byteCountFormatter.string(for: sizeUncompressed) ?? "--")
114 | Compression ratio: \(compressionRatio == nil ? "--" : String(compressionRatio!)) %
115 | """
116 | }
117 |
118 | return OutlinePreviewVC(rootNodes: fileTree.root.childrenList, labelText: labelText)
119 | }
120 | }
121 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Previews/TSVPreview.swift:
--------------------------------------------------------------------------------
1 | import os.log
2 | import SwiftCSV
3 |
4 | class TSVPreview: Preview {
5 | required init() {}
6 |
7 | func createPreviewVC(file: File) throws -> PreviewVC {
8 | // Read and parse TSV file
9 | var csv: CSV
10 | do {
11 | csv = try CSV(url: file.url, delimiter: "\t")
12 | } catch {
13 | os_log(
14 | "Could not parse TSV file: %{public}s",
15 | log: Log.parse,
16 | type: .error,
17 | error.localizedDescription
18 | )
19 | throw error
20 | }
21 |
22 | return TablePreviewVC(headers: csv.header, cells: csv.namedRows)
23 | }
24 | }
25 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Previews/ZIPPreview.swift:
--------------------------------------------------------------------------------
1 | import Foundation
2 | import os.log
3 | import SwiftExec
4 |
5 | class ZIPPreview: Preview {
6 | let filesRegex =
7 | #"(.{10}) +.+ +.+ +(\d+) +.+ +.+ +(\d{2}-\w{3}-\d{2} +\d{2}:\d{2}) +(.+)"#
8 | let sizeRegex = #"\d+ files?, (\d+) bytes? uncompressed, \d+ bytes? compressed: +([\d.]+)%"#
9 |
10 | let byteCountFormatter = ByteCountFormatter()
11 | let dateFormatter = DateFormatter()
12 |
13 | required init() {
14 | dateFormatter.dateFormat = "yy-MMM-dd HH:mm" // Date format used in `zipinfo` output
15 | }
16 |
17 | private func runZIPInfoCommand(filePath: String) throws -> String {
18 | do {
19 | let result = try exec(
20 | program: "/usr/bin/zipinfo",
21 | arguments: [filePath]
22 | )
23 | return result.stdout ?? ""
24 | } catch {
25 | // Empty ZIP files are allowed, but return exit code 1
26 | let error = error as! ExecError
27 | let stdout = error.execResult.stdout ?? ""
28 | if error.execResult.exitCode == 1, stdout.hasSuffix("Empty zipfile.") {
29 | return stdout
30 | }
31 | throw error
32 | }
33 | }
34 |
35 | /// Parses the output of the `zipinfo` command.
36 | private func parseZIPInfo(lines: String) -> (
37 | fileTree: FileTree,
38 | sizeUncompressed: Int?,
39 | compressionRatio: Double?
40 | ) {
41 | let fileTree = FileTree()
42 | let linesSplit = lines.split(separator: "\n")
43 |
44 | // List entry format: "drwxr-xr-x 2.0 unx 0 bx stor 20-Jan-13 19:38 my-zip/dir/"
45 | // - Column 1: Permissions ("-" as first character indicates a file, "d" a directory)
46 | // - Column 4: File size in bytes
47 | // - Columns 7-8: Date modified
48 | // - Column 9: File path
49 | let filesString = linesSplit[2 ..< linesSplit.count - 1].joined(separator: "\n")
50 | let fileMatches = filesString.matchRegex(regex: filesRegex)
51 | for fileMatch in fileMatches {
52 | let permissions = fileMatch[1]
53 | let size = Int(fileMatch[2]) ?? 0
54 | let dateModified = dateFormatter.date(from: fileMatch[3])
55 | let path = fileMatch[4]
56 | // Ignore "__MACOSX" subdirectory (ZIP resource fork created by macOS)
57 | if !path.hasPrefix("__MACOSX") {
58 | do {
59 | // Add file/directory node to tree
60 | try fileTree.addNode(
61 | path: path,
62 | isDirectory: permissions.first == "d",
63 | size: size,
64 | dateModified: dateModified
65 | )
66 | } catch {
67 | os_log("%{public}s", log: Log.parse, type: .error, error.localizedDescription)
68 | }
69 | }
70 | }
71 |
72 | // Last line:
73 | // - If not empty: "152 files, 192919 bytes uncompressed, 65061 bytes compressed: 66.3%"
74 | // - If empty: "Empty zipfile."
75 | if let lastLine = linesSplit.last, lastLine != "Empty zipfile." {
76 | let sizeMatches = String(lastLine).matchRegex(regex: sizeRegex)
77 | let sizeUncompressed = Int(sizeMatches[0][1])
78 | let compressionRatio = Double(sizeMatches[0][2])
79 | return (fileTree, sizeUncompressed, compressionRatio)
80 | } else {
81 | return (fileTree, 0, 0)
82 | }
83 | }
84 |
85 | func createPreviewVC(file: File) throws -> PreviewVC {
86 | let zipInfoOutput = try runZIPInfoCommand(filePath: file.path)
87 |
88 | // Parse command output
89 | let (fileTree, sizeUncompressed, compressionRatio) = parseZIPInfo(lines: zipInfoOutput)
90 |
91 | // Build label
92 | let labelText = """
93 | Compressed: \(byteCountFormatter.string(for: file.size) ?? "--")
94 | Uncompressed: \(byteCountFormatter.string(for: sizeUncompressed) ?? "--")
95 | Compression ratio: \(compressionRatio == nil ? "--" : String(compressionRatio!)) %
96 | """
97 |
98 | return OutlinePreviewVC(rootNodes: fileTree.root.childrenList, labelText: labelText)
99 | }
100 | }
101 |
--------------------------------------------------------------------------------
/QLPlugin/Views/Views/OfflineWebView.swift:
--------------------------------------------------------------------------------
1 | import Cocoa
2 | import os.log
3 | import WebKit
4 |
5 | // Block all URLs except those starting with "blob:" or "file://"
6 | let blockRules = """
7 | [
8 | {
9 | "trigger": {
10 | "url-filter": ".*"
11 | },
12 | "action": {
13 | "type": "block"
14 | }
15 | },
16 | {
17 | "trigger": {
18 | "url-filter": "blob:.*"
19 | },
20 | "action": {
21 | "type": "ignore-previous-rules"
22 | }
23 | },
24 | {
25 | "trigger": {
26 | "url-filter": "file://.*"
27 | },
28 | "action": {
29 | "type": "ignore-previous-rules"
30 | }
31 | }
32 | ]
33 | """
34 |
35 | /// `WKWebView` which only allows the loading of local resources
36 | class OfflineWebView: WKWebView {
37 | required init?(coder decoder: NSCoder) {
38 | super.init(coder: decoder)
39 |
40 | WKContentRuleListStore.default().compileContentRuleList(
41 | forIdentifier: "ContentBlockingRules",
42 | encodedContentRuleList: blockRules
43 | ) { contentRuleList, error in
44 | if let error = error {
45 | os_log(
46 | "Error compiling WKWebView content rule list: %{public}s",
47 | log: Log.render,
48 | type: .error,
49 | error.localizedDescription
50 | )
51 | } else if let contentRuleList = contentRuleList {
52 | self.configuration.userContentController.add(contentRuleList)
53 | } else {
54 | os_log(
55 | "Error adding WKWebView content rule list: Content rule list is not defined",
56 | log: Log.render,
57 | type: .error
58 | )
59 | }
60 | }
61 | }
62 | }
63 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 |
2 | 
3 | Glance
4 | All-in-one Quick Look plugin
5 | Glance provides Quick Look previews for files that macOS doesn't support out of the box.
6 | 
7 | 
8 |
9 |
10 | ## Supported file types
11 |
12 | - **Source code** (with [Chroma](https://github.com/alecthomas/chroma) syntax highlighting): `.cpp`, `.js`, `.json`, `.py`, `.swift`, `.yml` and many more
13 |
14 | 
15 |
16 | - **Markdown** (rendered using [goldmark](https://github.com/yuin/goldmark)): `.md`, `.markdown`, `.mdown`, `.mkdn`, `.mkd`, `.Rmd`
17 |
18 | 
19 |
20 | - **Archive**: `.tar`, `.tar.gz`, `.zip`
21 |
22 | 
23 |
24 | - **Jupyter Notebook** (rendered using [nbtohtml](https://github.com/samuelmeuli/nbtohtml)): `.ipynb`
25 |
26 | 
27 |
28 | - **Tab-separated values** (parsed using [SwiftCSV](https://github.com/swiftcsv/SwiftCSV)): `.tab`, `.tsv`
29 |
30 | 
31 |
32 | ## FAQ
33 |
34 | **There are existing Quick Look apps for some of the supported file types. Why create another one?**
35 |
36 | - Glance combines the features of many plugins into one and provides consistent and beautiful previews.
37 | - Glance is fully compatible with Dark Mode.
38 | - Some plugins still use the deprecated Quick Look Generator API and might stop working in the future.
39 | - Glance can easily be extended to support other file types.
40 |
41 | **Why does Glance require network permissions?**
42 |
43 | Glance renders some previews in a `WKWebView`. All assets are stored locally and network access is disabled, but web views unfortunately still need the `com.apple.security.network.client` entitlement to function.
44 |
45 | **Why isn't the app available on macOS 10.14 or older?**
46 |
47 | The app uses the [new Quick Look API](https://developer.apple.com/documentation/quartz/qlpreviewingcontroller/2867936-preparepreviewoffile) that was introduced in 10.15, so it unfortunately won't work with older versions of macOS.
48 |
49 | **Why are images in my Markdown files not loading?**
50 |
51 | Glance blocks remote assets. Furthermore, the app only has access to the file that's being previewed. Local image files referenced from Markdown are therefore not loaded.
52 |
53 | **Why isn't [file type] supported?**
54 |
55 | Feel free to [open an issue](https://github.com/samuelmeuli/glance/issues/new) or [contribute](#contributing)! When opening an issue, please describe what kind of preview you'd expect for your file.
56 |
57 | Please note that macOS doesn't allow the handling of some file types (e.g. `.plist`, `.ts` and `.xml`).
58 |
59 | **You claim to support [file type], but previews aren't showing up.**
60 |
61 | Please note that Glance skips previews for large files to avoid slowing down your Mac.
62 |
63 | It's possible that your file's extension or [UTI](https://en.wikipedia.org/wiki/Uniform_Type_Identifier) isn't associated with Glance. You can easily verify this:
64 |
65 | 1. Check whether the file extension is matched to the correct class in [`PreviewVCFactory.swift`](./QLPlugin/Views/PreviewVCFactory.swift).
66 | 2. Find your file's UTI by running `mdls -name kMDItemContentType /path/to/your/file`. Check whether the UTI is listed under `QLSupportedContentTypes` in [`Info.plist`](./QLPlugin/Info.plist).
67 | 3. If an association is missing, please feel free to add it and submit a PR.
68 |
69 | ## Contributing
70 |
71 | Suggestions and contributions are always welcome! Please discuss larger changes (e.g. adding support for a new file type) via issue before submitting a pull request.
72 |
73 | Xcode, Swift and Go need to be installed to build the app locally.
74 |
75 | To add previews for a new file extension, please follow these steps:
76 |
77 | 1. Create a new class for your file type in [this directory](./QLPlugin/Views/Previews/). It should implement the `Preview` protocol. See the other files in the directory for examples.
78 | 2. Match the file extension to your class in [`PreviewVCFactory.swift`](./QLPlugin/Views/PreviewVCFactory.swift).
79 | 3. Find your file's UTI by running `mdls -name kMDItemContentType /path/to/your/file`. Add it to `QLSupportedContentTypes` in [`Info.plist`](./QLPlugin/Info.plist).
80 | 4. Update [`README.md`](README.md), [`SupportedFilesWC.xib`](Glance/SupportedFilesWC.xib), the [App Store description](AppStore/Listing/Description.txt) and [`Credits.rtf`](Glance/Credits.rtf) (if you introduced a new library).
81 |
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/module.modulemap:
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1 | module HTMLConverter {
2 | header "HTMLConverter/htmlconverter.h"
3 | link "htmlconverter"
4 | export *
5 | }
6 |
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