master..0d2020b · Mathdown

git.iko.soy/Mathdown

on 0d2020b help sign in

.gitignore−8

since splitsnapshots

unifiedsplit

@@ -65,11 +65,3 @@ fastlane/report.xml

65fastlane/Preview.html

66fastlane/screenshots

67fastlane/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.

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("")

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 @@

1# Mathdown

2A 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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