Adjust rust directory structure, add book.rs to fetch rust book chapters

rust/Cargo.lock

@@ -15,6 +15,19 @@ name = "base64"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "bit-set"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bit-vec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bitflags"
 version = "1.2.1"
@@ -48,6 +61,14 @@ name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.6.4"
@@ -93,6 +114,11 @@ name = "foreign-types-shared"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -107,6 +133,15 @@ name = "fuchsia-zircon-sys"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "futf"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "mac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "new_debug_unreachable 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.1"
@@ -225,6 +260,19 @@ dependencies = [
  "unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "html5ever"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "markup5ever 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "http"
 version = "0.2.0"
@@ -349,11 +397,32 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
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+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_codegen 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache_codegen 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tendril 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
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@@ -442,6 +511,11 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
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@@ -486,6 +560,40 @@ name = "percent-encoding"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "phf"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_generator 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "pin-project"
 version = "0.4.6"
@@ -524,6 +632,11 @@ name = "ppv-lite86"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "precomputed-hash"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro-hack"
 version = "0.5.11"
@@ -539,6 +652,14 @@ name = "proc-macro-nested"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.6"
@@ -547,6 +668,14 @@ dependencies = [
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 ]
 
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.2"
@@ -555,6 +684,24 @@ dependencies = [
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 ]
 
+[[package]]
+name = "rand"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
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 version = "0.7.2"
@@ -567,6 +714,15 @@ dependencies = [
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+[[package]]
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+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
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 version = "0.2.1"
@@ -576,6 +732,19 @@ dependencies = [
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 ]
 
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
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@@ -584,6 +753,14 @@ dependencies = [
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 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
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 version = "0.2.0"
@@ -592,6 +769,62 @@ dependencies = [
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_isaac"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_jitter"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_os"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
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+
+[[package]]
+name = "rand_pcg"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "redox_syscall"
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@@ -641,13 +874,14 @@ dependencies = [
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 [[package]]
-name = "rust"
+name = "rust-search-extension"
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  "minifier 0.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "select 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -688,6 +922,15 @@ dependencies = [
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+[[package]]
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+dependencies = [
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+ "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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@@ -724,6 +967,11 @@ dependencies = [
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+
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@@ -739,6 +987,47 @@ name = "sourcefile"
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+[[package]]
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+dependencies = [
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+ "string_cache_shared 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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+
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+[[package]]
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+
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@@ -1126,15 +1462,22 @@ dependencies = [
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@@ -1146,8 +1489,10 @@ dependencies = [
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rust/Cargo.toml

@@ -1,13 +1,9 @@
 [package]
-name = "rust"
+name = "rust-search-extension"
 version = "0.1.0"
 authors = ["Folyd <lyshuhow@gmail.com>"]
 edition = "2018"
 
-[[bin]]
-name = "crates-index"
-path = "src/main.rs"
-
 [dependencies]
 serde = "1.0.102"
 tokio = { version="0.2", features=["macros", "time"] }
@@ -18,3 +14,4 @@ futures = "0.3.1"
 minifier = "0.0.33"
 lazy_static = "1.4.0"
 unicode-segmentation = "1.6.0"
+select = "0.4.3"

rust/src/bin/book.rs

@@ -0,0 +1,51 @@
+use std::fs;
+use std::path::Path;
+
+use futures::future::join_all;
+use reqwest;
+use select::document::Document;
+use select::predicate::{Class, Name, Predicate};
+use serde_derive::{Deserialize, Serialize};
+use serde_json;
+use tokio;
+
+const BOOKS_INDEX_PATH: &str = "../extension/books-index.js";
+
+// [title, path]
+type Chapter = [String; 2];
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Book {
+    name: String,
+    url: String,
+    #[serde(skip_deserializing)]
+    chapters: Vec<Chapter>,
+}
+
+async fn fetch_book(mut book: Book) -> Result<Book, Box<dyn std::error::Error>> {
+    let html = reqwest::get(&book.url).await?.text().await?;
+    let doc = Document::from(html.as_str());
+    for node in doc.find(Class("chapter").descendant(Name("a"))) {
+        let title = node.text();
+        let path = node
+            .attr("href")
+            .unwrap()
+            .trim_end_matches(".html")
+            .to_string();
+        book.chapters.push([title, path]);
+    }
+    Ok(book)
+}
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let futures: Vec<_> = serde_json::from_str::<Vec<Book>>(include_str!("books.json"))?
+        .into_iter()
+        .map(|book| fetch_book(book))
+        .collect();
+    let books: Vec<Book> = join_all(futures).await.into_iter().flatten().collect();
+    let contents = serde_json::to_string(&books)?;
+    let path = Path::new(BOOKS_INDEX_PATH);
+    fs::write(path, &contents)?;
+    Ok(())
+}

rust/src/bin/books.json

@@ -0,0 +1,30 @@
+[
+  {
+    "name": "The Rust Programming Language",
+    "url": "https://doc.rust-lang.org/stable/book/"
+  },
+  {
+    "name": "Rust Async Book",
+    "url": "https://rust-lang.github.io/async-book/"
+  },
+  {
+    "name": "Rust Edition Guide Book",
+    "url": "https://doc.rust-lang.org/stable/edition-guide/"
+  },
+  {
+    "name": "The Cargo Book",
+    "url": "https://doc.rust-lang.org/cargo/index.html"
+  },
+  {
+    "name": "Rust and WebAssembly Book",
+    "url": "https://rustwasm.github.io/docs/book/"
+  },
+  {
+    "name": "The Embedded Rust Book",
+    "url": "https://rust-embedded.github.io/book/"
+  },
+  {
+    "name": "The Rust Cookbook",
+    "url": "https://rust-lang-nursery.github.io/rust-cookbook/"
+  }
+]

rust/src/bin/crates_index.rs

@@ -13,9 +13,7 @@ use tokio;
 use tokio::time::Duration;
 
 use lazy_static::lazy_static;
-use minify::Minifier;
+use rust_search_extension::minify::Minifier;
-
-mod minify;
 
 const MAX_PAGE: u32 = 150;
 const API: &str = "https://crates.io/api/v1/crates?page={}&per_page=100&sort=downloads";
@@ -138,8 +136,7 @@ async fn main() -> std::io::Result<()> {
                 // Extract frequency word mapping
                 let minifier = Minifier::new(&SPLITTED_WORDS.read().unwrap());
                 let mapping = minifier.get_mapping();
-                let mut contents =
+                let mut contents = format!("var mapping={};", serde_json::to_string(&mapping)?);
-                    format!("var mapping={};", serde_json::to_string(&mapping).unwrap());
                 contents.push_str(&generate_javascript_crates_index(crates, &minifier).await?);
                 fs::write(path, &contents)?;
                 println!("\nGenerate javascript crates index successful!");

rust/src/lib.rs

@@ -0,0 +1 @@
+pub mod minify;

rust/src/minify.rs

@@ -20,7 +20,7 @@ impl FrequencyWord {
 }
 
 #[derive(Debug)]
-pub(crate) struct Minifier {
+pub struct Minifier {
     mapping: HashMap<String, String>,
 }