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Code Issues Releases Wiki Activity

Parse JSON with comments.

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This commit is contained in:
Toxblh 2018-04-23 13:08:55 +01:00
parent ffbbafa9d9
commit 22c315d631
2 changed files with 3 additions and 68 deletions
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4
MTMR/ItemsParsing.swift
View File

@ -3,9 +3,7 @@ import AppKit
extension Data {
func barItemDefinitions() -> [BarItemDefinition]? {
// TODO: Need improve a speed, very low loading JSON with comments ~20sec
// return try? JSONDecoder().decode([BarItemDefinition].self, from: self.utf8string!.stripComments().data(using: .utf8)!
return try? JSONDecoder().decode([BarItemDefinition].self, from: self)
return try? JSONDecoder().decode([BarItemDefinition].self, from: self.utf8string!.stripComments().data(using: .utf8)!)
}
}

67
MTMR/SupportHelpers.swift
View File

@ -12,73 +12,10 @@ extension String {
func trim() -> String {
return self.trimmingCharacters(in: NSCharacterSet.whitespaces)
}
func substring(from: Int, to: Int) -> String {
let start = index(startIndex, offsetBy: from)
let end = index(start, offsetBy: to - from)
return String(self[start ..< end])
}
func substring(range: NSRange) -> String {
return substring(from: range.lowerBound, to: range.upperBound)
}
func indexDistance(of character: Character) -> Int? {
guard let index = index(of: character) else { return nil }
return distance(from: startIndex, to: index)
}
func stripComments() -> String {
let str = self
let singleComment = 1;
let multiComment = 2;
var insideString = false
var insideComment = 0
var offset = 0
var ret = ""
for var i in 0..<str.count - 1 {
let currentChar = Array(str)[i]
let nextChar = Array(str)[i+1]
if (insideComment == 0 && currentChar == "\"") {
let escaped = Array(str)[i - 1] == "\\" && Array(str)[i - 2] != "\\"
if (!escaped) {
insideString = !insideString
}
}
if (insideString) {
let jumpStr = String(str[str.index(startIndex, offsetBy: i)..<str.endIndex])
i += (jumpStr.indexDistance(of: "\""))!
continue
}
if (insideComment == 0 && String(currentChar) + String(nextChar) == "//") {
ret += str.substring(from: offset, to: i)
offset = i
insideComment = singleComment
i += 1
} else if (insideComment == singleComment && String(currentChar) + String(nextChar) == "\r\n") {
i += 1
insideComment = 0
offset = i
} else if (insideComment == singleComment && currentChar == "\n") {
insideComment = 0
offset = i
} else if (insideComment == 0 && String(currentChar) + String(nextChar) == "/*") {
ret += str.substring(from: offset, to: i)
offset = i
insideComment = multiComment
i += 1
} else if (insideComment == multiComment && String(currentChar) + String(nextChar) == "*/") {
i += 1
insideComment = 0
offset = i + 1
}
}
return ret + str.substring(from: offset, to: str.count)
// ((\s|,)\/\*[\s\S]*?\*\/)|(( |, ")\/\/.*)
return self.replacingOccurrences(of: "((\\s|,)\\/\\*[\\s\\S]*?\\*\\/)|(( |, \\\")\\/\\/.*)", with: "", options: .regularExpression)
}
}