initial commit
This commit is contained in:
commit
844f3a5d11
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@ -0,0 +1 @@
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/target
|
||||
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@ -0,0 +1,273 @@
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|||
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"futures-io",
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"futures-sink",
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"futures-task",
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"futures-util",
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||||
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"futures-core",
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"futures-task",
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"futures-core",
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"futures-io",
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"futures-macro",
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"futures-sink",
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"futures-task",
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name = "nom"
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dependencies = [
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"minimal-lexical",
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[[package]]
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "peanuts"
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version = "0.1.0"
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dependencies = [
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"futures",
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"nom",
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"tokio",
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]
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[[package]]
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "rustc-demangle"
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version = "0.1.23"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
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[[package]]
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name = "slab"
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version = "0.4.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
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dependencies = [
|
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"autocfg",
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]
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[[package]]
|
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name = "syn"
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version = "2.0.52"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b699d15b36d1f02c3e7c69f8ffef53de37aefae075d8488d4ba1a7788d574a07"
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dependencies = [
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||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tokio"
|
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version = "1.36.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "61285f6515fa018fb2d1e46eb21223fff441ee8db5d0f1435e8ab4f5cdb80931"
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dependencies = [
|
||||
"backtrace",
|
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"pin-project-lite",
|
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]
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|
||||
[[package]]
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name = "unicode-ident"
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version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
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|
@ -0,0 +1,11 @@
|
|||
[package]
|
||||
name = "peanuts"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
futures = "0.3.30"
|
||||
nom = "7.1.3"
|
||||
tokio = "1.36.0"
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
# peanuts
|
||||
|
||||
an ergonomic async-first xml reader/writer library focusing on streams
|
||||
|
||||
features:
|
||||
[ ] CoW
|
||||
[ ] namespace support
|
||||
[ ] serialization
|
||||
[ ] deserialization
|
||||
|
||||
## reader:
|
||||
read -> lexer -> parser -> events -> elements -> deserialize
|
||||
## writer:
|
||||
serialize -> elements -> events -> write
|
||||
|
|
@ -0,0 +1,55 @@
|
|||
// elements resemble a final tree, including inherited namespace information
|
||||
|
||||
use std::collections::HashMap;
|
||||
|
||||
// when are namespaces names chosen then if they are automatically calculated
|
||||
// namespaces are held by readers and writers.
|
||||
pub struct Namespace {
|
||||
prefix: Option<String>,
|
||||
namespace: String,
|
||||
}
|
||||
|
||||
// names are qualified, they contain the namespace
|
||||
pub struct Name {
|
||||
namespace: String,
|
||||
name: String,
|
||||
}
|
||||
|
||||
pub enum Node {
|
||||
Element(Element),
|
||||
Text(String),
|
||||
}
|
||||
|
||||
// should this be a trait?
|
||||
pub struct Element {
|
||||
name: Name,
|
||||
// namespace: (Name, String), // can't have this, must be external method that is called within the context of a reader/writer
|
||||
// each element once created contains the qualified namespace information for that element
|
||||
// the name contains the qualified namespace so this is unnecessary
|
||||
// namespace: String,
|
||||
// hashmap of explicit namespace declarations on the element itself only
|
||||
// possibly not needed as can be calculated at write time depending on context and qualified namespace, and for reading, element validity and namespaces are kept track of by the reader.
|
||||
// namespaces: HashMap<Option<String>, String>,
|
||||
// attributes can be in a different namespace than the element. how to make sure they are valid?
|
||||
// maybe include the namespace instead of or with the prefix
|
||||
// you can calculate the prefix from the namespaced name and the current writer context
|
||||
// you can validate the prefix and calculate the namespace from the current reader context
|
||||
// this results in readers and writers being able to return qualification errors as they aren't able to create elements until every part is qualified.
|
||||
attributes: HashMap<Name, String>,
|
||||
children: Option<Vec<Node>>,
|
||||
}
|
||||
|
||||
// example of deriving an element:
|
||||
|
||||
// #[derive(XMLWrite, XMLRead)]
|
||||
// #[peanuts(namespace = "jabber:client", namespace:stream = "http://etherx.jabber.org/streams", name = "stream:stream")]
|
||||
// pub struct Stream {
|
||||
// from: JID,
|
||||
// id: String,
|
||||
// to: JID,
|
||||
// version: String,
|
||||
// #[peanuts(namespace = "http://www.w3.org/XML/1998/namespace")]
|
||||
// lang: Lang,
|
||||
// }
|
||||
|
||||
// note: if an element name has a prefix all unprefixed attributes are qualified by the namespace of the prefix, so in this example from's Name's namespace would be "http://etherx.jabber.org/streams"
|
||||
|
|
@ -0,0 +1 @@
|
|||
pub enum Error {}
|
||||
|
|
@ -0,0 +1 @@
|
|||
// tags, declaration, comments, text. individual bits and what they contain, e.g. tag contains attributes and namespace declarations, lang, ONLY within the tag
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
// lexer: tokenizes to bits like '<', '<?', '"', etc.
|
||||
|
||||
pub enum Token {
|
||||
Whitespace,
|
||||
OpenTag,
|
||||
CloseTag,
|
||||
Slash,
|
||||
Text(String),
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
mod element;
|
||||
mod error;
|
||||
mod reader;
|
||||
mod writer;
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn it_works() {
|
||||
let result = 2 + 2;
|
||||
assert_eq!(result, 4);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1 @@
|
|||
// parser: parses tokens from lexer into events
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
use futures::Stream;
|
||||
use tokio::io::AsyncRead;
|
||||
|
||||
use crate::{
|
||||
element::{Element, Name, Namespace},
|
||||
error::Error,
|
||||
};
|
||||
|
||||
/// streaming reader that tracks depth and available namespaces at current depth
|
||||
pub struct Reader<R> {
|
||||
stream: R,
|
||||
// holds which tags we are in atm over depth
|
||||
depth: Vec<Name>,
|
||||
namespaces: Vec<(usize, Namespace)>,
|
||||
}
|
||||
|
||||
impl<R: AsyncRead> Reader<R> {
|
||||
pub async fn read(&self) -> Result<impl From<Element>, Error> {}
|
||||
pub async fn read_start(&self) -> Result<impl From<Element>, Error> {}
|
||||
pub async fn read_end(&self) -> Result<(), Error> {}
|
||||
}
|
||||
|
||||
impl<R: AsyncRead> Stream for Reader<R> {
|
||||
type Item = impl From<Element>;
|
||||
|
||||
async fn poll_next(
|
||||
self: std::pin::Pin<&mut Self>,
|
||||
cx: &mut std::task::Context<'_>,
|
||||
) -> std::task::Poll<Option<Self::Item>> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
use futures::{AsyncWrite, Sink};
|
||||
|
||||
use crate::{
|
||||
element::{Element, Name, Namespace},
|
||||
error::Error,
|
||||
};
|
||||
|
||||
pub struct Writer<W> {
|
||||
stream: W,
|
||||
depth: Vec<Name>,
|
||||
namespaces: Vec<(usize, Namespace)>,
|
||||
}
|
||||
|
||||
impl<W: AsyncWrite> Writer<W> {
|
||||
pub async fn write(&self, element: impl Into<Element>) -> Result<(), Error> {}
|
||||
pub async fn write_start(&self, element: impl Into<Element>) -> Result<(), Error> {}
|
||||
pub async fn write_end(&self) -> Result<(), Error> {}
|
||||
}
|
||||
|
||||
impl<W: AsyncWrite, E: Into<Element>> Sink<E> for Writer<W> {
|
||||
type Error = Error;
|
||||
|
||||
fn poll_ready(
|
||||
self: std::pin::Pin<&mut Self>,
|
||||
cx: &mut std::task::Context<'_>,
|
||||
) -> std::task::Poll<Result<(), Self::Error>> {
|
||||
todo!()
|
||||
}
|
||||
|
||||
fn start_send(self: std::pin::Pin<&mut Self>, item: E) -> Result<(), Self::Error> {
|
||||
todo!()
|
||||
}
|
||||
|
||||
fn poll_flush(
|
||||
self: std::pin::Pin<&mut Self>,
|
||||
cx: &mut std::task::Context<'_>,
|
||||
) -> std::task::Poll<Result<(), Self::Error>> {
|
||||
todo!()
|
||||
}
|
||||
|
||||
fn poll_close(
|
||||
self: std::pin::Pin<&mut Self>,
|
||||
cx: &mut std::task::Context<'_>,
|
||||
) -> std::task::Poll<Result<(), Self::Error>> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue