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2023-08-10

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22
rust/wolfree_sed_in_place/Cargo.toml Normal file
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# SPDX-License-Identifier: AGPL-3.0-or-later
# This file is part of Wolfree.
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
[package]
name = "wolfree_sed_in_place"
version = "23.7.31"
edition = "2021"
authors = ["See the commit history of the Git repositories: <https://try.gitea.io/wolfree>"]
description = "This Rust program performs in-place search and replaces operations on all files within specified directories. It uses regular expressions to find occurrences of a given pattern in each file's contents and replaces them with the replacement text."
license = "AGPL-3.0-or-later"
repository = "https://try.gitea.io/wolfree"
readme = "README.md"
keywords = ["rust", "search", "replace", "regular expressions", "regex", "file", "in-place"]
categories = ["command-line-utilities", "development-tools::build-utils", "web-programming", "template-engine"]
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
regex = "1"
walkdir = "2"

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rust/wolfree_sed_in_place/src/include_str.html Normal file
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<meta name="referrer" content="no-referrer" />
<script type="module" src="/ajax/libs/jquery/3.7.0/jquery.min.js"></script>
<script type="module" src="/ajax/libs/dompurify/3.0.5/purify.min.js"></script>
<script type="module" src="/ajax/libs/wolfree/23.7.8/js/onload.js"></script>
<link rel="preload" as="style" onload="this.onload = null; this.rel = 'stylesheet';"
href="/ajax/libs/wolfree/23.7.8/css/Placeholder.css" />
<link rel="preload" as="style" onload="this.onload = null; this.rel = 'stylesheet';"
href="/ajax/libs/wolfree/23.7.8/css/PodsParser.css" />
<style>
html>body>#__next>div>header {
visibility: hidden;
height: 5rem;
}
html>body>#__next>div>footer {
visibility: hidden;
}
html>body>#__next>div>main>main>span,
html>body>#__next>div>main>main a[href*="/pro/pricing/students/"],
html>body>#__next>div>main>main a[href*="/pro/pricing/students/"]~*,
html>body>#__next>div>main>main>div>a,
html>body>#__next>div>main>main>div>a>img[src*="../_next/static/images/Logo_"][alt*="WolframAlpha computational knowledge AI"],
html>body>#__next>div>main>main>div>div>nav>a~button,
html>body>#__next>div>main>main>div>div>nav>div>div>ul>li~li~li,
/* Derivative[9][y][x] == y[x] */
html>body>#__next>div>main>main>div>div>div[class=""],
html>body>#__next>div>main>main>div>div>div>section>section> :not(div, ul, header, button),
/* Wolfram|Alpha Copyable Plain Text */
html>body>#__next>div>main>main>div>div>div>section>section>header>h2> :not(span),
html>body>#__next>div>main>main>div>div>div>section>section>div> :not(h2, select, span, div),
html>body>#__next>div>main>main>div>div>div>section>section>div>div> :not(img, button, div, a),
html>body>#__next>div>main>main a[href*="/pro/pricing/"],
html>body>#__next>div>main>main a[href*="/pro/pricing/"]~*,
html>body>#__next>div>main>main a[href*="/pro-premium-expert-support"],
html>body>#__next>div>main>main a[href*="/pro-premium-expert-support"]~*,
/* "isGDPR": true */
html>body>#__next>div>section {
display: none;
}
html>body>header {
position: absolute;
width: 100%;
z-index: 1;
}
html>body>header>nav {
text-align: center;
display: flex;
max-width: 780px;
margin: auto;
}
html>body>header>nav>a {
font-family: sans-serif;
text-decoration: none;
flex: auto;
margin: 1rem 0;
padding: 1rem 0;
}
</style>
$0
<header>
<nav>
<a href="../">Wolfree</a>
<a href="../mirror">Mirror</a>
<a href="../source">Source</a>
</nav>
</header>
<!-- SPDX-License-Identifier: AGPL-3.0-or-later -->

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rust/wolfree_sed_in_place/src/include_str.tsx Normal file
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/**
* @license
* SPDX-License-Identifier: AGPL-3.0-or-later
* This file is part of Wolfree.
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
*/
// @ts-check
const wolfreeLexicalScopeName = (() => {
const possibleLetters = Array();
for (let i = 32; i < 127; i++) {
possibleLetters.push(String.fromCharCode(i));
}
const possibleNames = possibleLetters.flatMap((x) =>
possibleLetters.map((y) => x + y)
);
const isValid = (name = String()) => {
try {
return (
typeof eval(name).value === "string" &&
typeof eval(name).i2d === "boolean"
);
} catch (error) {
return false;
}
};
const wolfreeLexicalScopeName = possibleNames.find(isValid);
if (typeof wolfreeLexicalScopeName !== "string") {
console.error({ wolfreeLexicalScopeName });
return "";
}
return wolfreeLexicalScopeName;
})();
(() => {
const get = (params = String()) => {
return new URLSearchParams(location.search).get(params);
};
eval(wolfreeLexicalScopeName).value = get("i") || "topic mathematics";
eval(wolfreeLexicalScopeName).i2d = get("i2d") === "true";
})();
/**
* Regex in regex - Rust
* https://docs.rs/regex/latest/regex/struct.Regex.html#replacement-string-syntax
* All instances of $ref in the replacement string are replaced with the substring corresponding to the capture group identified by ref.
* ref may be an integer corresponding to the index of the capture group (counted by order of opening parenthesis where 0 is the entire match) or it can be a name (consisting of letters, digits or underscores) corresponding to a named capture group.
*/
// @ts-ignore
$0;
(async () => {
(
await import(
// @ts-ignore
"../../../ajax/libs/wolfree/23.7.8/js/Entrypoint.js"
)
).default({
input: eval(wolfreeLexicalScopeName).value,
i2d: eval(wolfreeLexicalScopeName).i2d,
extraPodstates: [],
});
})();

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rust/wolfree_sed_in_place/src/main.rs Normal file
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//! The `wolfree_sed_in_place` crate provides a function for performing in-place replacements of patterns in multiple files using regular expressions.
//! It allows you to recursively process all files within a specified directory and replace occurrences of a given pattern with a specified replacement string.
#![allow(clippy::blanket_clippy_restriction_lints)]
#![allow(clippy::exit)]
#![allow(clippy::print_stderr)]
#![allow(clippy::implicit_return)]
/* SPDX-License-Identifier: AGPL-3.0-or-later
* This file is part of Wolfree.
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
*/
use regex::Regex;
use std::fs;
use walkdir::WalkDir;
/// Perform in-place replacements on files in a given directory, using regular expressions.
///
/// This function walks through all the files in the specified `directory_path`,
/// filters out directories, and applies a regular expression-based replacement
/// on the contents of each file.
///
/// # Arguments
///
/// * `directory_path`: A string slice representing the path of the directory to traverse.
/// * `pattern`: A string slice containing the regular expression pattern to search for.
/// * `replacement`: A string slice representing the replacement for each matched pattern.
///
/// # Examples
///
/// ```rust
/// // Replace a specific pattern in the file contents in the "./data/" directory.
/// wolfree_sed_in_place("./data/", r"\bFoo\b", "Bar");
/// ```
///
/// This example replaces all occurrences of the word "Foo" with "Bar" in the files inside the "data" directory.
fn wolfree_sed_in_place(directory_path: &str, pattern: &str, replacement: &str) {
// Compile the regular expression pattern
let regex = match Regex::new(pattern) {
Ok(re) => re,
Err(err) => {
eprintln!("Error: {err}",);
std::process::exit(1);
}
};
// Create a directory walker and filter out non-file entries
let walker = WalkDir::new(directory_path)
.into_iter()
.filter_map(Result::ok)
.filter(|entry| !entry.file_type().is_dir());
// Process each file in the directory
for entry in walker {
let file_path = entry.path();
// Read the file's contents into a string
let file_contents = match fs::read_to_string(file_path) {
Ok(contents) => contents,
Err(err) => {
eprintln!("Error: {err}",);
std::process::exit(1);
}
};
// Perform the regex replacement on the file's contents
let modified_contents = regex.replace(&file_contents, replacement);
let modified_contents_as_ref = modified_contents.as_ref();
// Write the modified contents back to the file, overwriting its previous contents
match fs::write(file_path, modified_contents_as_ref) {
Ok(_) => (),
Err(err) => {
eprintln!("Error: {err}",);
std::process::exit(1);
}
};
}
}
/// Entry point of the program.
/// Demonstrates using `wolfree_sed_in_place` function to perform in-place replacements on files in specific directories.
fn main() {
wolfree_sed_in_place(
"./docusaurus/build/input/",
"</head><body>",
include_str!("include_str.html"),
);
wolfree_sed_in_place(
"./docusaurus/build/_next/static/chunks/",
r"try(.{0,100}?)generateEncodedJSONFromValue(.*?)unescapeForUrl(.*?)catch(.*?)\{}",
include_str!("include_str.tsx"),
);
// console error:
// _app-daabd76ef4fe402d.js:5
// WebSocket connection to 'wss://localhost/n/v1/api/fetcher/results' failed:
// startWebsocket @ _app-daabd76ef4fe402d.js:5
// send @ _app-daabd76ef4fe402d.js:5
// sendMessage @ 1695-ae743311a23f8eb5.js:1
// newQuery @ 1695-ae743311a23f8eb5.js:78
// newQuery @ 1695-ae743311a23f8eb5.js:78
// fix:
// Override the hostname in the minified JavaScript source code.
wolfree_sed_in_place(
"./docusaurus/build/_next/static/chunks/pages/",
"window.location.hostname",
"'www.wolframalpha.com'",
);
}
// regex101: build, test, and debug regex
// https://regex101.com/