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Parse octal escape sequences

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This commit is contained in:
wh0 2019-06-25 18:35:25 -07:00
parent ca9bab5d4c
commit f29d8eeda8
2 changed files with 10 additions and 3 deletions
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11
src/core/Utils.mjs
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@ -201,11 +201,18 @@ class Utils {
* Utils.parseEscapedChars("\\n");
*/
static parseEscapedChars(str) {
return str.replace(/(\\)?\\([bfnrtv0'"]|x[\da-fA-F]{2}|u[\da-fA-F]{4}|u\{[\da-fA-F]{1,6}\})/g, function(m, a, b) {
return str.replace(/(\\)?\\([bfnrtv'"]|[0-3][0-7]{2}|[0-7]{1,2}|x[\da-fA-F]{2}|u[\da-fA-F]{4}|u\{[\da-fA-F]{1,6}\})/g, function(m, a, b) {
if (a === "\\") return "\\"+b;
switch (b[0]) {
case "0":
return "\0";
case "1":
case "2":
case "3":
case "4":
case "5":
case "6":
case "7":
return String.fromCharCode(parseInt(b, 8));
case "b":
return "\b";
case "t":

2
src/core/operations/UnescapeString.mjs
View File

@ -20,7 +20,7 @@ class UnescapeString extends Operation {
this.name = "Unescape string";
this.module = "Default";
this.description = "Unescapes characters in a string that have been escaped. For example, <code>Don\\'t stop me now</code> becomes <code>Don't stop me now</code>.<br><br>Supports the following escape sequences:<ul><li><code>\\n</code> (Line feed/newline)</li><li><code>\\r</code> (Carriage return)</li><li><code>\\t</code> (Horizontal tab)</li><li><code>\\b</code> (Backspace)</li><li><code>\\f</code> (Form feed)</li><li><code>\\xnn</code> (Hex, where n is 0-f)</li><li><code>\\\\</code> (Backslash)</li><li><code>\\'</code> (Single quote)</li><li><code>\\&quot;</code> (Double quote)</li><li><code>\\unnnn</code> (Unicode character)</li><li><code>\\u{nnnnnn}</code> (Unicode code point)</li></ul>";
this.description = "Unescapes characters in a string that have been escaped. For example, <code>Don\\'t stop me now</code> becomes <code>Don't stop me now</code>.<br><br>Supports the following escape sequences:<ul><li><code>\\n</code> (Line feed/newline)</li><li><code>\\r</code> (Carriage return)</li><li><code>\\t</code> (Horizontal tab)</li><li><code>\\b</code> (Backspace)</li><li><code>\\f</code> (Form feed)</li><li><code>\\nnn</code> (Octal, where n is 0-7)</li><li><code>\\xnn</code> (Hex, where n is 0-f)</li><li><code>\\\\</code> (Backslash)</li><li><code>\\'</code> (Single quote)</li><li><code>\\&quot;</code> (Double quote)</li><li><code>\\unnnn</code> (Unicode character)</li><li><code>\\u{nnnnnn}</code> (Unicode code point)</li></ul>";
this.infoURL = "https://wikipedia.org/wiki/Escape_sequence";
this.inputType = "string";
this.outputType = "string";