git.iko.soy/Mathdown
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Initial commit
commit7c954c63efe32364c4346816914c4f128d706687 authorilyakooo0 <ilyakooo0@gmail.com> dateWed 13 Sep 2017, 22:06 (9 years ago) parent0d2020b
7 files changed+461
compare with master
unifiedsplit
.gitignore+8 Mathdown/Mathdown.xcodeproj/project.pbxproj+284 Mathdown/Mathdown.xcodeproj/project.xcworkspace/contents.xcworkspacedata+7 Mathdown/Mathdown/main.swift+136 README.md+26 images/mat1.png images/mat2.png
.gitignore+8
@@ -65,3 +65,11 @@ fastlane/report.xml
6565fastlane/Preview.html
6666fastlane/screenshots
6767fastlane/test_output
68+
69+
70+# Custom
71+.DS_Store
72+Source/Application.h
73+*.xcodeproj/*
74+!*.xcodeproj/project.pbxproj
75+!*.xcodeproj/xcshareddata
Mathdown/Mathdown.xcodeproj/project.pbxprojnew file+284
@@ -0,0 +1,284 @@
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203+ CLANG_WARN_COMMA = YES;
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284+}
Mathdown/Mathdown.xcodeproj/project.xcworkspace/contents.xcworkspacedatanew file+7
@@ -0,0 +1,7 @@
1+<?xml version="1.0" encoding="UTF-8"?>
2+<Workspace
3+ version = "1.0">
4+ <FileRef
5+ location = "self:Mathdown.xcodeproj">
6+ </FileRef>
7+</Workspace>
Mathdown/Mathdown/main.swiftnew file+136
@@ -0,0 +1,136 @@
1+//
2+// main.swift
3+// Mathdown
4+//
5+// Created by Ilya Kos on 9/13/17.
6+// Copyright © 2017 Ilya Kos. All rights reserved.
7+//
8+
9+import Foundation
10+
11+enum BracketStyle {
12+ case square
13+ case round
14+ var opening: Character {
15+ switch self {
16+ case .round:
17+ return "("
18+ case .square:
19+ return "["
20+ }
21+ }
22+ var closing: Character {
23+ switch self {
24+ case .round:
25+ return ")"
26+ case .square:
27+ return "]"
28+ }
29+ }
30+}
31+
32+var style: BracketStyle = .round
33+var outputUrl: URL!
34+var inputUrl: URL! {
35+ didSet {
36+ outputUrl = outputUrl ?? inputUrl.deletingPathExtension().appendingPathExtension("xml")
37+ }
38+}
39+
40+var args = CommandLine.arguments.dropFirst()
41+switch args.count {
42+case 0:
43+ print("You didn't provide an input file")
44+ exit(0)
45+case 1:
46+ inputUrl = URL(fileURLWithPath: args.first!)
47+default:
48+ func processArgs() {
49+ if let arg = args.popFirst() {
50+ switch arg {
51+ case "-i":
52+ if let surl = args.popFirst() {
53+ inputUrl = URL(fileURLWithPath: surl)
54+ }
55+ case "-o":
56+ if let surl = args.popFirst() {
57+ outputUrl = URL(fileURLWithPath: surl)
58+ }
59+ case "-s":
60+ style = .square
61+ case "-r":
62+ style = .round
63+ default:
64+ return
65+ }
66+ processArgs()
67+ }
68+ }
69+ processArgs()
70+}
71+enum ElementStyle: String {
72+ case none = ""
73+ case bold = "bold"
74+ case italic = "italic"
75+ case boldItalic = "bold-italic"
76+}
77+let styleCharecters = CharacterSet.init(charactersIn: "_*")
78+extension String.SubSequence {
79+ var style: ElementStyle {
80+ let num = self.prefix(while: {styleCharecters.contains($0.unicodeScalars.first!)}).count
81+ switch num {
82+ case 0:
83+ return .none
84+ case 1:
85+ return .italic
86+ case 2:
87+ return .bold
88+ default:
89+ return .boldItalic
90+ }
91+ }
92+ func trimmingStyleCharecters() -> String {
93+ return self.trimmingCharacters(in: styleCharecters)
94+ }
95+}
96+func process(mth: String) -> String {
97+ let whitespace = CharacterSet.whitespaces
98+
99+ var out = "<math>"
100+ let lines = mth.split(separator: "\n", omittingEmptySubsequences: false)
101+ .map {$0.trimmingCharacters(in: .whitespaces)}
102+ var insideMatrix = false
103+ for line in lines {
104+ switch line {
105+ case "":
106+ if insideMatrix {
107+ out.append("</mtable><mo>\(style.closing)</mo></mrow>")
108+ insideMatrix = false
109+ }
110+ default:
111+ if !insideMatrix {
112+ out.append("<mrow><mo>\(style.opening)</mo><mtable>")
113+ insideMatrix = true
114+ }
115+ out.append("<mtr>")
116+ for element in line.split(
117+ whereSeparator: {c in whitespace.contains(c.unicodeScalars.first!)}) {
118+ let eStyle = element.style
119+ out.append("<mtd><mn mathvariant=\"\(eStyle.rawValue)\">\(element.trimmingStyleCharecters())</mn></mtd>")
120+ }
121+ out.append("</mtr>")
122+ }
123+ }
124+ if insideMatrix {
125+ out.append("</mtable><mo>\(style.closing)</mo></mrow>")
126+ }
127+ out.append("</math>")
128+ return out
129+}
130+
131+do {
132+ let inp = try String.init(contentsOf: inputUrl)
133+ try process(mth: inp).write(to: outputUrl, atomically: true, encoding: .utf8)
134+} catch {
135+ print("Invalid file")
136+}
README.md+26
@@ -1,2 +1,28 @@
11# Mathdown
22A lightweight syntax for matrices.
3+Outputs [MathML](https://en.wikipedia.org/wiki/MathML) format.
4+
5+## Syntax
6+`1 2 3
7+3 2 8`
8+produces
9+![](images/mat1.png)
10+
11+You can also use [Markdown](https://en.wikipedia.org/wiki/Markdown)-style text emphasis
12+- `_<text>_` or `*<text>*` for _italic_
13+- `__<text>__` or `**<text>**` for __bold__
14+- `___<text>___` or `***<text>***` for ___italic and bold___
15+
16+`***1*** 2 __3__
17+3 _2_ 8`
18+produces
19+![](imgeas/mat2.png)
20+
21+## Usage
22+`mathdown -i input.mth -o output.xml`
23+
24+### Parameters
25+- `-i <file path>` Specifies the input path
26+- `-o <file path>` Specifies the output pathfile
27+- `-s` Uses square brackets
28+- `-r` Uses round brackets
images/mat1.pngnew file

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images/mat2.pngnew file

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