tildes-community/tildes-parser
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tildes-parser
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Use duplicate crate to implement FromStr.

This commit is contained in:
Bauke 2022-10-17 12:46:51 +02:00
parent 0f0b044993
commit 076c7c9029
Signed by: Bauke
GPG Key ID: C1C0F29952BCF558
6 changed files with 72 additions and 30 deletions
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47
Cargo.lock generated
View File

@ -172,6 +172,16 @@ dependencies = [
"dtoa",
]
[[package]]
name = "duplicate"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a0a4be4cd710e92098de6ad258e6e7c24af11c29c5142f3c6f2a545652480ff8"
dependencies = [
"heck",
"proc-macro-error",
]
[[package]]
name = "ego-tree"
version = "0.6.2"
@ -250,6 +260,12 @@ version = "0.26.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "22030e2c5a68ec659fde1e949a745124b48e6fa8b045b7ed5bd1fe4ccc5c4e5d"
[[package]]
name = "heck"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
[[package]]
name = "html5ever"
version = "0.26.0"
@ -533,6 +549,30 @@ version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
[[package]]
name = "proc-macro-error"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
dependencies = [
"proc-macro-error-attr",
"proc-macro2",
"quote",
"syn",
"version_check",
]
[[package]]
name = "proc-macro-error-attr"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
dependencies = [
"proc-macro2",
"quote",
"version_check",
]
[[package]]
name = "proc-macro-hack"
version = "0.5.19"
@ -854,6 +894,7 @@ name = "tildes-parser"
version = "0.1.0"
dependencies = [
"color-eyre",
"duplicate",
"insta",
"lazy_static",
"regex",
@ -926,6 +967,12 @@ version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
[[package]]
name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]]
name = "wasi"
version = "0.9.0+wasi-snapshot-preview1"

1
Cargo.toml
View File

@ -12,6 +12,7 @@ path = "source/lib.rs"
[dependencies]
color-eyre = "^0.6.2"
duplicate = "^0.4.1"
lazy_static = "^1.4.0"
regex = "^1.6.0"
scraper = "^0.13.0"

21
source/from_str.rs Normal file
View File

@ -0,0 +1,21 @@
//! Implements [`FromStr`] for parser structs.
use std::str::FromStr;
use {color_eyre::eyre::Error, duplicate::duplicate_item, scraper::Html};
use crate::{Group, GroupList};
#[duplicate_item(
_Struct;
[Group];
[GroupList];
)]
impl FromStr for _Struct {
type Err = Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let html = Html::parse_document(s);
_Struct::from_html(&html)
}
}

16
source/group.rs
View File

@ -1,11 +1,6 @@
//! Parsing for `/~<group>`.
use std::str::FromStr;
use {
color_eyre::{eyre::Error, Result},
scraper::Html,
};
use {color_eyre::Result, scraper::Html};
use crate::{
regexes::GROUP_SUBSCRIBERS_RE,
@ -47,15 +42,6 @@ pub struct GroupWikiLink {
pub url: String,
}
impl FromStr for Group {
type Err = Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let html = Html::parse_document(s);
Self::from_html(&html)
}
}
impl Group {
/// Parses a [`Group`] from a [`scraper::Html`] tree.
pub fn from_html(html: &Html) -> Result<Self> {

16
source/group_list.rs
View File

@ -1,11 +1,6 @@
//! Parsing for [`/groups`](https://tildes.net/groups).
use std::str::FromStr;
use {
color_eyre::{eyre::Error, Result},
scraper::Html,
};
use {color_eyre::Result, scraper::Html};
use crate::{
regexes::{DUPLICATE_WHITESPACE_RE, GROUP_LIST_ACTIVITY_RE},
@ -37,15 +32,6 @@ pub struct GroupListSummary {
pub topic_activity: Option<i32>,
}
impl FromStr for GroupList {
type Err = Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let html = Html::parse_document(s);
Self::from_html(&html)
}
}
impl GroupList {
/// Parses a [`GroupList`] from a [`scraper::Html`] tree.
pub fn from_html(html: &Html) -> Result<Self> {

1
source/lib.rs
View File

@ -24,6 +24,7 @@ pub mod regexes;
pub mod selectors;
pub mod utilities;
pub(crate) mod from_str;
pub(crate) mod group;
pub(crate) mod group_list;