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Extract operations now offer built-in Sort and Unique options. Unique operation offers option to count occurances. Closes #1334.

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This commit is contained in:
n1474335
2022-04-14 18:08:16 +01:00
parent 6959e2cf01
commit 9a982f05ac
14 changed files with 397 additions and 206 deletions
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50
src/core/operations/Strings.mjs
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@@ -7,6 +7,7 @@
import Operation from "../Operation.mjs";
import XRegExp from "xregexp";
import { search } from "../lib/Extract.mjs";
import { caseInsensitiveSort } from "../lib/Sort.mjs";
/**
* Strings operation
@@ -27,27 +28,37 @@ class Strings extends Operation {
this.outputType = "string";
this.args = [
{
"name": "Encoding",
"type": "option",
"value": ["Single byte", "16-bit littleendian", "16-bit bigendian", "All"]
name: "Encoding",
type: "option",
value: ["Single byte", "16-bit littleendian", "16-bit bigendian", "All"]
},
{
"name": "Minimum length",
"type": "number",
"value": 4
name: "Minimum length",
type: "number",
value: 4
},
{
"name": "Match",
"type": "option",
"value": [
name: "Match",
type: "option",
value: [
"[ASCII]", "Alphanumeric + punctuation (A)", "All printable chars (A)", "Null-terminated strings (A)",
"[Unicode]", "Alphanumeric + punctuation (U)", "All printable chars (U)", "Null-terminated strings (U)"
]
},
{
"name": "Display total",
"type": "boolean",
"value": false
name: "Display total",
type: "boolean",
value: false
},
{
name: "Sort",
type: "boolean",
value: false
},
{
name: "Unique",
type: "boolean",
value: false
}
];
}
@@ -58,7 +69,7 @@ class Strings extends Operation {
* @returns {string}
*/
run(input, args) {
const [encoding, minLen, matchType, displayTotal] = args,
const [encoding, minLen, matchType, displayTotal, sort, unique] = args,
alphanumeric = "A-Z\\d",
punctuation = "/\\-:.,_$%'\"()<>= !\\[\\]{}@",
printable = "\x20-\x7e",
@@ -108,8 +119,19 @@ class Strings extends Operation {
}
const regex = new XRegExp(strings, "ig");
const results = search(
input,
regex,
null,
sort ? caseInsensitiveSort : null,
unique
);
return search(input, regex, null, displayTotal);
if (displayTotal) {
return `Total found: ${results.length}\n\n${results.join("\n")}`;
} else {
return results.join("\n");
}
}
}