git.iko.soy/Mathdown
on 0d2020b help sign in
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9 files changed−685
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.gitignore−8 Mathdown/Mathdown.xcodeproj/project.pbxproj−284 Mathdown/Mathdown.xcodeproj/project.xcworkspace/contents.xcworkspacedata−7 Mathdown/Mathdown/main.swift−319 README.md−67 images/mat1.png images/mat2.png images/mat3.png images/mat4.png
.gitignore−8
@@ -65,11 +65,3 @@ 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.pbxprojdeleted−284
@@ -1,284 +0,0 @@
1−// !$*UTF8*$!
2−{
3− archiveVersion = 1;
4− classes = {
5− };
6− objectVersion = 48;
7− objects = {
8−
9−/* Begin PBXBuildFile section */
10− 09ED4FDB1F6995E200289153 /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 09ED4FDA1F6995E200289153 /* main.swift */; };
11−/* End PBXBuildFile section */
12−
13−/* Begin PBXCopyFilesBuildPhase section */
14− 09ED4FD51F6995E200289153 /* CopyFiles */ = {
15− isa = PBXCopyFilesBuildPhase;
16− buildActionMask = 2147483647;
17− dstPath = /usr/share/man/man1/;
18− dstSubfolderSpec = 0;
19− files = (
20− );
21− runOnlyForDeploymentPostprocessing = 1;
22− };
23−/* End PBXCopyFilesBuildPhase section */
24−
25−/* Begin PBXFileReference section */
26− 09ED4FD71F6995E200289153 /* Mathdown */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = Mathdown; sourceTree = BUILT_PRODUCTS_DIR; };
27− 09ED4FDA1F6995E200289153 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
28− 09ED4FE11F69AD3800289153 /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; name = README.md; path = ../README.md; sourceTree = "<group>"; };
29− 09ED4FE21F69B1B300289153 /* .gitignore */ = {isa = PBXFileReference; lastKnownFileType = text; name = .gitignore; path = ../.gitignore; sourceTree = "<group>"; };
30−/* End PBXFileReference section */
31−
32−/* Begin PBXFrameworksBuildPhase section */
33− 09ED4FD41F6995E200289153 /* Frameworks */ = {
34− isa = PBXFrameworksBuildPhase;
35− buildActionMask = 2147483647;
36− files = (
37− );
38− runOnlyForDeploymentPostprocessing = 0;
39− };
40−/* End PBXFrameworksBuildPhase section */
41−
42−/* Begin PBXGroup section */
43− 09ED4FCE1F6995E200289153 = {
44− isa = PBXGroup;
45− children = (
46− 09ED4FE21F69B1B300289153 /* .gitignore */,
47− 09ED4FE11F69AD3800289153 /* README.md */,
48− 09ED4FD91F6995E200289153 /* Mathdown */,
49− 09ED4FD81F6995E200289153 /* Products */,
50− );
51− sourceTree = "<group>";
52− };
53− 09ED4FD81F6995E200289153 /* Products */ = {
54− isa = PBXGroup;
55− children = (
56− 09ED4FD71F6995E200289153 /* Mathdown */,
57− );
58− name = Products;
59− sourceTree = "<group>";
60− };
61− 09ED4FD91F6995E200289153 /* Mathdown */ = {
62− isa = PBXGroup;
63− children = (
64− 09ED4FDA1F6995E200289153 /* main.swift */,
65− );
66− path = Mathdown;
67− sourceTree = "<group>";
68− };
69−/* End PBXGroup section */
70−
71−/* Begin PBXNativeTarget section */
72− 09ED4FD61F6995E200289153 /* Mathdown */ = {
73− isa = PBXNativeTarget;
74− buildConfigurationList = 09ED4FDE1F6995E200289153 /* Build configuration list for PBXNativeTarget "Mathdown" */;
75− buildPhases = (
76− 09ED4FD31F6995E200289153 /* Sources */,
77− 09ED4FD41F6995E200289153 /* Frameworks */,
78− 09ED4FD51F6995E200289153 /* CopyFiles */,
79− );
80− buildRules = (
81− );
82− dependencies = (
83− );
84− name = Mathdown;
85− productName = Mathdown;
86− productReference = 09ED4FD71F6995E200289153 /* Mathdown */;
87− productType = "com.apple.product-type.tool";
88− };
89−/* End PBXNativeTarget section */
90−
91−/* Begin PBXProject section */
92− 09ED4FCF1F6995E200289153 /* Project object */ = {
93− isa = PBXProject;
94− attributes = {
95− LastSwiftUpdateCheck = 0900;
96− LastUpgradeCheck = 0900;
97− ORGANIZATIONNAME = "Ilya Kos";
98− TargetAttributes = {
99− 09ED4FD61F6995E200289153 = {
100− CreatedOnToolsVersion = 9.0;
101− ProvisioningStyle = Automatic;
102− };
103− };
104− };
105− buildConfigurationList = 09ED4FD21F6995E200289153 /* Build configuration list for PBXProject "Mathdown" */;
106− compatibilityVersion = "Xcode 8.0";
107− developmentRegion = en;
108− hasScannedForEncodings = 0;
109− knownRegions = (
110− en,
111− );
112− mainGroup = 09ED4FCE1F6995E200289153;
113− productRefGroup = 09ED4FD81F6995E200289153 /* Products */;
114− projectDirPath = "";
115− projectRoot = "";
116− targets = (
117− 09ED4FD61F6995E200289153 /* Mathdown */,
118− );
119− };
120−/* End PBXProject section */
121−
122−/* Begin PBXSourcesBuildPhase section */
123− 09ED4FD31F6995E200289153 /* Sources */ = {
124− isa = PBXSourcesBuildPhase;
125− buildActionMask = 2147483647;
126− files = (
127− 09ED4FDB1F6995E200289153 /* main.swift in Sources */,
128− );
129− runOnlyForDeploymentPostprocessing = 0;
130− };
131−/* End PBXSourcesBuildPhase section */
132−
133−/* Begin XCBuildConfiguration section */
134− 09ED4FDC1F6995E200289153 /* Debug */ = {
135− isa = XCBuildConfiguration;
136− buildSettings = {
137− ALWAYS_SEARCH_USER_PATHS = NO;
138− CLANG_ANALYZER_NONNULL = YES;
139− CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
140− CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
141− CLANG_CXX_LIBRARY = "libc++";
142− CLANG_ENABLE_MODULES = YES;
143− CLANG_ENABLE_OBJC_ARC = YES;
144− CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
145− CLANG_WARN_BOOL_CONVERSION = YES;
146− CLANG_WARN_COMMA = YES;
147− CLANG_WARN_CONSTANT_CONVERSION = YES;
148− CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
149− CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
150− CLANG_WARN_EMPTY_BODY = YES;
151− CLANG_WARN_ENUM_CONVERSION = YES;
152− CLANG_WARN_INFINITE_RECURSION = YES;
153− CLANG_WARN_INT_CONVERSION = YES;
154− CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
155− CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
156− CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
157− CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
158− CLANG_WARN_STRICT_PROTOTYPES = YES;
159− CLANG_WARN_SUSPICIOUS_MOVE = YES;
160− CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
161− CLANG_WARN_UNREACHABLE_CODE = YES;
162− CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
163− CODE_SIGN_IDENTITY = "Mac Developer";
164− COPY_PHASE_STRIP = NO;
165− DEBUG_INFORMATION_FORMAT = dwarf;
166− ENABLE_STRICT_OBJC_MSGSEND = YES;
167− ENABLE_TESTABILITY = YES;
168− GCC_C_LANGUAGE_STANDARD = gnu11;
169− GCC_DYNAMIC_NO_PIC = NO;
170− GCC_NO_COMMON_BLOCKS = YES;
171− GCC_OPTIMIZATION_LEVEL = 0;
172− GCC_PREPROCESSOR_DEFINITIONS = (
173− "DEBUG=1",
174− "$(inherited)",
175− );
176− GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
177− GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
178− GCC_WARN_UNDECLARED_SELECTOR = YES;
179− GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
180− GCC_WARN_UNUSED_FUNCTION = YES;
181− GCC_WARN_UNUSED_VARIABLE = YES;
182− MACOSX_DEPLOYMENT_TARGET = 10.12;
183− MTL_ENABLE_DEBUG_INFO = YES;
184− ONLY_ACTIVE_ARCH = YES;
185− SDKROOT = macosx;
186− SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
187− SWIFT_OPTIMIZATION_LEVEL = "-Onone";
188− };
189− name = Debug;
190− };
191− 09ED4FDD1F6995E200289153 /* Release */ = {
192− isa = XCBuildConfiguration;
193− buildSettings = {
194− ALWAYS_SEARCH_USER_PATHS = NO;
195− CLANG_ANALYZER_NONNULL = YES;
196− CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
197− CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
198− CLANG_CXX_LIBRARY = "libc++";
199− CLANG_ENABLE_MODULES = YES;
200− CLANG_ENABLE_OBJC_ARC = YES;
201− CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
202− CLANG_WARN_BOOL_CONVERSION = YES;
203− CLANG_WARN_COMMA = YES;
204− CLANG_WARN_CONSTANT_CONVERSION = YES;
205− CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
206− CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
207− CLANG_WARN_EMPTY_BODY = YES;
208− CLANG_WARN_ENUM_CONVERSION = YES;
209− CLANG_WARN_INFINITE_RECURSION = YES;
210− CLANG_WARN_INT_CONVERSION = YES;
211− CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
212− CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
213− CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
214− CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
215− CLANG_WARN_STRICT_PROTOTYPES = YES;
216− CLANG_WARN_SUSPICIOUS_MOVE = YES;
217− CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
218− CLANG_WARN_UNREACHABLE_CODE = YES;
219− CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
220− CODE_SIGN_IDENTITY = "Mac Developer";
221− COPY_PHASE_STRIP = NO;
222− DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
223− ENABLE_NS_ASSERTIONS = NO;
224− ENABLE_STRICT_OBJC_MSGSEND = YES;
225− GCC_C_LANGUAGE_STANDARD = gnu11;
226− GCC_NO_COMMON_BLOCKS = YES;
227− GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
228− GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
229− GCC_WARN_UNDECLARED_SELECTOR = YES;
230− GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
231− GCC_WARN_UNUSED_FUNCTION = YES;
232− GCC_WARN_UNUSED_VARIABLE = YES;
233− MACOSX_DEPLOYMENT_TARGET = 10.12;
234− MTL_ENABLE_DEBUG_INFO = NO;
235− SDKROOT = macosx;
236− SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
237− };
238− name = Release;
239− };
240− 09ED4FDF1F6995E200289153 /* Debug */ = {
241− isa = XCBuildConfiguration;
242− buildSettings = {
243− CODE_SIGN_STYLE = Automatic;
244− DEVELOPMENT_TEAM = 8J63JZYYHZ;
245− PRODUCT_NAME = "$(TARGET_NAME)";
246− SWIFT_VERSION = 4.0;
247− };
248− name = Debug;
249− };
250− 09ED4FE01F6995E200289153 /* Release */ = {
251− isa = XCBuildConfiguration;
252− buildSettings = {
253− CODE_SIGN_STYLE = Automatic;
254− DEVELOPMENT_TEAM = 8J63JZYYHZ;
255− PRODUCT_NAME = "$(TARGET_NAME)";
256− SWIFT_VERSION = 4.0;
257− };
258− name = Release;
259− };
260−/* End XCBuildConfiguration section */
261−
262−/* Begin XCConfigurationList section */
263− 09ED4FD21F6995E200289153 /* Build configuration list for PBXProject "Mathdown" */ = {
264− isa = XCConfigurationList;
265− buildConfigurations = (
266− 09ED4FDC1F6995E200289153 /* Debug */,
267− 09ED4FDD1F6995E200289153 /* Release */,
268− );
269− defaultConfigurationIsVisible = 0;
270− defaultConfigurationName = Release;
271− };
272− 09ED4FDE1F6995E200289153 /* Build configuration list for PBXNativeTarget "Mathdown" */ = {
273− isa = XCConfigurationList;
274− buildConfigurations = (
275− 09ED4FDF1F6995E200289153 /* Debug */,
276− 09ED4FE01F6995E200289153 /* Release */,
277− );
278− defaultConfigurationIsVisible = 0;
279− defaultConfigurationName = Release;
280− };
281−/* End XCConfigurationList section */
282− };
283− rootObject = 09ED4FCF1F6995E200289153 /* Project object */;
284−}
Mathdown/Mathdown.xcodeproj/project.xcworkspace/contents.xcworkspacedatadeleted−7
@@ -1,7 +0,0 @@
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.swiftdeleted−319
@@ -1,319 +0,0 @@
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−typealias Lines = [String]
12−typealias Element = [String]
13−let commentChars = CharacterSet.init(charactersIn: "#/")
14−let styleCharecters = CharacterSet.init(charactersIn: "_*")
15−
16−
17−enum BracketStyle {
18− case square
19− case round
20− case line
21− var opening: Character {
22− switch self {
23− case .round:
24− return "("
25− case .square:
26− return "["
27− case .line:
28− return "|"
29− }
30− }
31− var closing: Character {
32− switch self {
33− case .round:
34− return ")"
35− case .square:
36− return "]"
37− case .line:
38− return "|"
39− }
40− }
41−}
42−
43−var style: BracketStyle = .round
44−var outputUrl: URL!
45−var inputUrl: URL! {
46− didSet {
47− outputUrl = outputUrl ?? inputUrl.deletingPathExtension().appendingPathExtension("xml")
48− }
49−}
50−
51−var args = CommandLine.arguments.dropFirst()
52−switch args.count {
53−case 0:
54− print("You didn't provide an input file")
55− exit(0)
56−case 1:
57− inputUrl = URL(fileURLWithPath: args.first!)
58−default:
59− func processArgs() {
60− if let arg = args.popFirst() {
61− switch arg {
62− case "-i":
63− if let surl = args.popFirst() {
64− inputUrl = URL(fileURLWithPath: surl)
65− }
66− case "-o":
67− if let surl = args.popFirst() {
68− outputUrl = URL(fileURLWithPath: surl)
69− }
70− case "-b:s":
71− style = .square
72− case "-b:r":
73− style = .round
74− case "-b:l":
75− style = .line
76− default:
77− return
78− }
79− processArgs()
80− }
81− }
82− processArgs()
83−}
84−enum ElementStyle: String {
85− case none = ""
86− case bold = "bold"
87− case italic = "italic"
88− case boldItalic = "bold-italic"
89−}
90−extension String.SubSequence {
91− var style: ElementStyle {
92− let num = self.prefix(while: {styleCharecters.contains($0.unicodeScalars.first!)}).count
93− switch num {
94− case 0:
95− return .none
96− case 1:
97− return .italic
98− case 2:
99− return .bold
100− default:
101− return .boldItalic
102− }
103− }
104− func trimmingStyleCharecters() -> String {
105− return self.trimmingCharacters(in: styleCharecters)
106− }
107−}
108−
109−func process(element: Element) -> String {
110− var out = ""
111−
112− var inMatrix = false
113− var first = false
114− var seperated = false
115− var afterSeparator: [Substring] = []
116−
117− var small = false
118−
119− let arrows = CharacterSet.init(charactersIn: "⟺⟷⟼⟻⟶⟹⟵⟸")
120−
121− let nEl = element.map { (el) -> String in
122− switch el {
123− case let l where l.last == ">" && l.first == "<" && l.dropLast().dropFirst().filter({$0 == "="}).count > 0:
124− small = true
125− return "⟺"
126− case let l where l.last == ">" && l.first == "<" && l.dropLast().dropFirst().filter({$0 == "-"}).count > 0:
127− small = true
128− return "⟷"
129− case let l where l.last == ">" && l.first == "|" && l.dropLast().dropFirst().filter({$0 == "-"}).count > 0:
130− small = true
131− return "⟼"
132− case let l where l.last == "|" && l.first == "<" && l.dropLast().dropFirst().filter({$0 == "-"}).count > 0:
133− small = true
134− return "⟻"
135− case let l where l.last == ">" && l.dropLast().filter({$0 == "-"}).count > 0:
136− small = true
137− return "⟶"
138− case let l where l.last == ">" && l.dropLast().filter({$0 == "="}).count > 0:
139− small = true
140− return "⟹"
141− case let l where l.first == "<" && l.dropFirst().filter({$0 == "-"}).count > 0:
142− small = true
143− return "⟵"
144− case let l where l.first == "<" && l.dropFirst().filter({$0 == "="}).count > 0:
145− small = true
146− return "⟸"
147− default:
148− return el
149− }
150− }
151−
152− func process(lineElement: Substring, withAttributes attributes: String = "", style: ElementStyle = .none) -> Substring {
153− func extractNextElement(from line: Substring) -> (element: Substring, left: Substring) {
154− if line.first != "(" {
155− var i = line.startIndex
156− var el: Substring = ""
157− while i < line.endIndex && CharacterSet.alphanumerics.contains(line[i].unicodeScalars.first!) {
158− el.append(line[i])
159− i = line.index(after: i)
160− }
161− return (el, line[i...])
162− } else {
163− var brackets = 0
164− var i = line.startIndex
165− var el: Substring = ""
166− while i < line.endIndex {
167− switch el[i] {
168− case "(":
169− brackets += 1
170− case ")":
171− brackets -= 1
172− default:
173− break
174− }
175− i = line.index(after: i)
176− if brackets == 0 {
177− break
178− }
179− el.append(el[i])
180− }
181− if brackets != 0 {
182− print("Mismatched brackets")
183− exit(0)
184− }
185− return (el.dropFirst(), line[i...])
186− }
187− }
188− var i = lineElement.startIndex
189− while i < lineElement.endIndex {
190− switch lineElement[i] {
191− case "^":
192− let parts = extractNextElement(from: lineElement[lineElement.index(after: i)...])
193− return "<mo mathvariant=\"\(style.rawValue)\" \(attributes)>\(lineElement[..<i].filter({$0 != "\\"}))</mo>" + "<msup><mo></mo><mn>\(parts.element)</mn></msup>" + process(lineElement: parts.left, withAttributes: attributes, style: style)
194− case "!":
195− let parts = extractNextElement(from: lineElement[lineElement.index(after: i)...])
196− return "<mo mathvariant=\"\(style.rawValue)\" \(attributes)>\(lineElement[..<i].filter({$0 != "\\"}))</mo>" + "<mover accent=\"true\"><mrow><mo>\(parts.element)</mo></mrow><mo>_</mo></mover>" + process(lineElement: parts.left, withAttributes: attributes, style: style)
197− case "\\":
198− i = lineElement.index(after: i)
199− case "/":
200− let parts = extractNextElement(from: lineElement[lineElement.index(after: i)...])
201− return "<mo mathvariant=\"\(style.rawValue)\" \(attributes)>\(lineElement[..<i].filter({$0 != "\\"}))</mo>" + "<msub><mo></mo><mn>\(parts.element)</mn></msub>" + process(lineElement: parts.left, withAttributes: attributes, style: style)
202− default:
203− break
204− }
205− i = lineElement.index(after: i)
206− }
207− return Substring("<mo mathvariant=\"\(style.rawValue)\" \(attributes)>\(lineElement.filter({$0 != "\\"}))</mo>")
208− }
209− func process(line: Substring) {
210− out.append("<mtr>")
211− for element in line.split(
212− whereSeparator: {c in CharacterSet.whitespaces.contains(c.unicodeScalars.first!)}) {
213− switch element {
214− case "_":
215− out.append("<mtd><mspace height=\"0.8em\"/></mtd>")
216− default:
217− let eStyle = element.style
218− out.append("<mtd>\(process(lineElement: Substring(element.trimmingStyleCharecters()), withAttributes: "height=\"0.8em\"", style: eStyle))</mtd>")
219− }
220− }
221− out.append("</mtr>")
222− }
223− func process(comment: String) {
224− if comment.hasPrefix("#") {
225− out.append("<!-- \(comment.trimmingCharacters(in: commentChars).trimmingCharacters(in: .whitespaces)) -->")
226− }
227− }
228−
229− for line in nEl {
230− if inMatrix {
231− if first && line.contains("|") {
232− seperated = true
233− }
234− switch line {
235− case "]":
236− if seperated {
237− out.append("</mtable><mo stretchy=\"true\">|</mo><mtable>")
238− for line in afterSeparator {
239− process(line: line)
240− }
241− }
242− out.append("</mtable><mo stretchy=\"true\">\(style.closing)</mo></mrow></mtd></mtr>")
243− inMatrix = false
244− seperated = false
245− afterSeparator = []
246− default:
247− if seperated {
248− let split = line.split(separator: "|", maxSplits: 1, omittingEmptySubsequences: false)
249− if split.count != 2 {
250− print("Inconsistent syntax. The `|` seperator isn't consistent within a matrix.")
251− exit(0)
252− }
253− process(line: split[0])
254− afterSeparator.append(split[1])
255− } else {
256− process(line: Substring(line))
257− }
258− }
259− } else {
260− switch line {
261− case let l where l.hasPrefix("//"):
262− break
263− case let l where l.hasPrefix("#"):
264− out.append("</mtable></math>\n\n")
265− process(comment: l)
266− out.append("\n\n<math><mtable>")
267− break // TODO: Figure out what to do
268− case "[":
269− out.append("<mtr><mtd><mrow><mo stretchy=\"true\">\(style.opening)</mo><mtable>")
270− inMatrix = true
271− first = true
272− continue
273− case "":
274− if !first {
275− out.append("</mtable><mtable>")
276− }
277− first = true
278− continue
279− case let l where arrows.contains(l.first!.unicodeScalars.first!):
280− out.append("<mtr><mtd><mo>\(line)</mo></mtd></mtr>")
281− default:
282− out.append("<mtr><mtd>\(small ? "<mstyle scriptlevel=\"1\">" : "")\(process(lineElement: Substring(line)))\(small ? "</mstyle>" : "")</mtd></mtr>")
283− }
284− }
285− first = false
286− }
287− return out
288−}
289−
290−func process(mth: String) -> String {
291− let elements = mth
292− .split(separator: "\n", omittingEmptySubsequences: false)
293− .map({$0.trimmingCharacters(in: .whitespaces)})
294− .map({ l in
295− var i = l.startIndex
296− for u in 0..<max(0, l.count - 1) {
297− if l[i] == "/" && l[l.index(after: i)] == "/" {
298− return String(l.dropLast(l.count - u))
299− }
300− i = l.index(after: i)
301− }
302− return l
303− })
304− .split(separator: "")
305− var out = "<math><mtable>"
306− for el in elements {
307− out.append(process(element: Array(el)))
308− out.append("</mtable><mtable>")
309− }
310− out.append("</mtable></math>")
311− return out
312−}
313−
314−do {
315− let inp = try String.init(contentsOf: inputUrl)
316− try process(mth: inp).write(to: outputUrl, atomically: true, encoding: .utf8)
317−} catch {
318− print("Invalid file")
319−}
README.md−67
@@ -1,69 +1,2 @@
11# Mathdown
22A lightweight syntax for matrices.
3−Outputs [MathML](https://en.wikipedia.org/wiki/MathML) format.
4−
5−## Syntax
6−```
7−[
8−1 2 3
9−3 2 8
10−]
11−```
12−![](images/mat1.png)
13−
14−You can also use [Markdown](https://en.wikipedia.org/wiki/Markdown)-style text emphasis
15−- `_<text>_` or `*<text>*` for _italic_
16−- `__<text>__` or `**<text>**` for __bold__
17−- `___<text>___` or `***<text>***` for ___italic and bold___
18−
19−```
20−[
21−***1*** 2 __3__
22− 3 _2_ 8
23−]
24−```
25−![](images/mat2.png)
26−
27−You can use `_` to leave an empty space in the matrix
28−
29−```
30−[
31−***1*** 2 __3__ | _
32− _ _2_ 8 | 4
33−]
34−```
35−![](images/mat3.png)
36−
37−Newlines separate `elements` of your expressions.
38−`//` denotes the start of a normal comment. It is not present in the output.
39−
40−```
41−[
42−***1*** 2 __3__ | _ // This is a normal comment
43−_ _2_ 8 | 4
44−]
45−
46−1⊕=0
47−->
48−a=2b
49−
50−// This is also a normal comment
51−
52−[
53−1 2
54−5 3
55−]
56−```
57−![](images/mat4.png)
58−
59−`#` is used to make a `separator` comment. It separates your expressions into different `<math>` elements and is converted to an `xml` comment in the output document.
60−
61−## Usage
62−`mathdown -b:r -i input.mth -o output.xml`
63−
64−### Parameters
65−- `-i <file path>` Specifies the input path
66−- `-o <file path>` Specifies the output pathfile
67−- `-b:s` Uses square brackets
68−- `-b:r` Uses round brackets
69−- `-b:l` Uses line brackets
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