Improve support for scientific counting methods

The - and + signs can be used after {E/e}, or directly followed by a number.
RakuyoKit · Apr 7, 2022 · 83d2310 · 83d2310
1 parent 62ad615
commit 83d2310
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/JSONPreview/Core/JSONLexer.swift b/JSONPreview/Core/JSONLexer.swift
@@ -284,8 +284,9 @@ private extension JSONLexer {
                     } else if first.lowercased() == "e" {
                         let startIndex = tmpJSON.startIndex
                         let bounds = startIndex ..< tmpJSON.index(after: startIndex)
+                        let next = tmpJSON[bounds]
 
-                        if tmpJSON[bounds] == "+" {
+                        if next == "+" || next == "-" || Int(next) != nil {
                             let second = tmpJSON.removeFirst()
                             number += (String(first) + String(second))
                             _first = tmpJSON.removeFirst()

diff --git a/JSONPreview/Other/ViewController.swift b/JSONPreview/Other/ViewController.swift
@@ -86,8 +86,10 @@ class ViewController: UIViewController {
                 "exponential_value": [
                     1024e+23,
                     -25e+23,
-                    3.1415926e+23,
+                    -25e-23,
+                    2.54e23,
                     3.1415926E+23,
+                    3.1415926E-23,
                 ]
             },
             {