Change `encode` to be a method of Term
This commit is contained in:
parent
bc319d3089
commit
7cb5ff2fc2
GPG Key ID:
0E496D15096376BE
135
src/enc/mod.rs
135
src/enc/mod.rs
|
|
@ -46,7 +46,7 @@ impl<'a, 'b> Encode for dec::Term<'a, 'b> {
|
|||
/// ```
|
||||
/// use nettext::enc::*;
|
||||
///
|
||||
/// assert_eq!(encode(string("Hello world .").unwrap()), b"Hello world .");
|
||||
/// assert_eq!(string("Hello world .").unwrap().encode(), b"Hello world .");
|
||||
/// ```
|
||||
pub fn string(s: &str) -> Result<'_> {
|
||||
for c in s.as_bytes().iter() {
|
||||
|
|
@ -62,7 +62,7 @@ pub fn string(s: &str) -> Result<'_> {
|
|||
/// ```
|
||||
/// use nettext::enc::*;
|
||||
///
|
||||
/// assert_eq!(encode(raw(b"Hello { a = b, c = d} .").unwrap()), b"Hello { a = b, c = d} .");
|
||||
/// assert_eq!(raw(b"Hello { a = b, c = d} .").unwrap().encode(), b"Hello { a = b, c = d} .");
|
||||
/// ```
|
||||
pub fn raw(bytes: &[u8]) -> Result<'_> {
|
||||
if decode(bytes).is_err() {
|
||||
|
|
@ -76,10 +76,10 @@ pub fn raw(bytes: &[u8]) -> Result<'_> {
|
|||
/// ```
|
||||
/// use nettext::enc::*;
|
||||
///
|
||||
/// assert_eq!(encode(list([
|
||||
/// assert_eq!(list([
|
||||
/// string("Hello").unwrap(),
|
||||
/// string("world").unwrap()
|
||||
/// ]).unwrap()), b"Hello world");
|
||||
/// ]).unwrap().encode(), b"Hello world");
|
||||
/// ```
|
||||
pub fn list<'a, I: IntoIterator<Item = Term<'a>>>(terms: I) -> Result<'a> {
|
||||
let mut tmp = Vec::with_capacity(8);
|
||||
|
|
@ -97,10 +97,10 @@ pub fn list<'a, I: IntoIterator<Item = Term<'a>>>(terms: I) -> Result<'a> {
|
|||
/// ```
|
||||
/// use nettext::enc::*;
|
||||
///
|
||||
/// assert_eq!(encode(dict([
|
||||
/// assert_eq!(dict([
|
||||
/// ("a", string("Hello").unwrap()),
|
||||
/// ("b", string("world").unwrap())
|
||||
/// ])), b"{\n a = Hello,\n b = world,\n}");
|
||||
/// ]).encode(), b"{\n a = Hello,\n b = world,\n}");
|
||||
/// ```
|
||||
pub fn dict<'a, I: IntoIterator<Item = (&'a str, Term<'a>)>>(pairs: I) -> Term<'a> {
|
||||
let mut tmp = HashMap::new();
|
||||
|
|
@ -118,7 +118,7 @@ pub fn dict<'a, I: IntoIterator<Item = (&'a str, Term<'a>)>>(pairs: I) -> Term<'
|
|||
/// ```
|
||||
/// use nettext::enc::*;
|
||||
///
|
||||
/// assert_eq!(encode(bytes(b"hello, world!")), b"aGVsbG8sIHdvcmxkIQ");
|
||||
/// assert_eq!(bytes(b"hello, world!").encode(), b"aGVsbG8sIHdvcmxkIQ");
|
||||
/// ```
|
||||
pub fn bytes(bytes: &[u8]) -> Term<'static> {
|
||||
Term(T::OwnedStr(
|
||||
|
|
@ -176,7 +176,7 @@ impl<'a> Term<'a> {
|
|||
/// ```
|
||||
/// use nettext::enc::*;
|
||||
///
|
||||
/// assert_eq!(encode(list([string("hello").unwrap(), string("world").unwrap()]).unwrap().nested()), b"{ . = hello world }");
|
||||
/// assert_eq!(list([string("hello").unwrap(), string("world").unwrap()]).unwrap().nested().encode(), b"{ . = hello world }");
|
||||
/// ```
|
||||
#[must_use]
|
||||
pub fn nested(self) -> Term<'a> {
|
||||
|
|
@ -186,60 +186,64 @@ impl<'a> Term<'a> {
|
|||
|
||||
// ---- encoding function ----
|
||||
|
||||
/// Generate the nettext representation of a term
|
||||
pub fn encode(t: Term<'_>) -> Vec<u8> {
|
||||
let mut buf = Vec::with_capacity(128);
|
||||
encode_aux(&mut buf, t.0, 0, true);
|
||||
buf
|
||||
impl<'a> Term<'a> {
|
||||
/// Generate the nettext representation of a term
|
||||
pub fn encode(self) -> Vec<u8> {
|
||||
let mut buf = Vec::with_capacity(128);
|
||||
self.0.encode_aux(&mut buf, 0, true);
|
||||
buf
|
||||
}
|
||||
}
|
||||
|
||||
fn encode_aux(buf: &mut Vec<u8>, term: T<'_>, indent: usize, is_toplevel: bool) {
|
||||
match term {
|
||||
T::Str(s) => buf.extend_from_slice(s),
|
||||
T::OwnedStr(s) => buf.extend_from_slice(&s),
|
||||
T::Dict(mut d) => {
|
||||
if d.is_empty() {
|
||||
buf.extend_from_slice(b"{}");
|
||||
} else if d.len() == 1 {
|
||||
buf.extend_from_slice(b"{ ");
|
||||
let (k, v) = d.into_iter().next().unwrap();
|
||||
buf.extend_from_slice(k);
|
||||
buf.extend_from_slice(b" = ");
|
||||
encode_aux(buf, v, indent + 2, false);
|
||||
buf.extend_from_slice(b" }");
|
||||
} else {
|
||||
buf.extend_from_slice(b"{\n");
|
||||
let indent2 = indent + 2;
|
||||
let mut keys = d.keys().cloned().collect::<Vec<_>>();
|
||||
keys.sort();
|
||||
for k in keys {
|
||||
let v = d.remove(k).unwrap();
|
||||
for _ in 0..indent2 {
|
||||
buf.push(b' ');
|
||||
}
|
||||
impl<'a> T<'a> {
|
||||
fn encode_aux(self, buf: &mut Vec<u8>, indent: usize, is_toplevel: bool) {
|
||||
match self {
|
||||
T::Str(s) => buf.extend_from_slice(s),
|
||||
T::OwnedStr(s) => buf.extend_from_slice(&s),
|
||||
T::Dict(mut d) => {
|
||||
if d.is_empty() {
|
||||
buf.extend_from_slice(b"{}");
|
||||
} else if d.len() == 1 {
|
||||
buf.extend_from_slice(b"{ ");
|
||||
let (k, v) = d.into_iter().next().unwrap();
|
||||
buf.extend_from_slice(k);
|
||||
buf.extend_from_slice(b" = ");
|
||||
encode_aux(buf, v, indent2, false);
|
||||
buf.extend_from_slice(b",\n");
|
||||
}
|
||||
for _ in 0..indent {
|
||||
buf.push(b' ');
|
||||
}
|
||||
buf.push(b'}');
|
||||
}
|
||||
}
|
||||
T::List(l) => {
|
||||
let indent2 = indent + 2;
|
||||
for (i, v) in l.into_iter().enumerate() {
|
||||
if !is_toplevel && buf.iter().rev().take_while(|c| **c != b'\n').count() >= 70 {
|
||||
buf.push(b'\n');
|
||||
for _ in 0..indent2 {
|
||||
v.encode_aux(buf, indent + 2, false);
|
||||
buf.extend_from_slice(b" }");
|
||||
} else {
|
||||
buf.extend_from_slice(b"{\n");
|
||||
let indent2 = indent + 2;
|
||||
let mut keys = d.keys().cloned().collect::<Vec<_>>();
|
||||
keys.sort();
|
||||
for k in keys {
|
||||
let v = d.remove(k).unwrap();
|
||||
for _ in 0..indent2 {
|
||||
buf.push(b' ');
|
||||
}
|
||||
buf.extend_from_slice(k);
|
||||
buf.extend_from_slice(b" = ");
|
||||
v.encode_aux(buf, indent2, false);
|
||||
buf.extend_from_slice(b",\n");
|
||||
}
|
||||
for _ in 0..indent {
|
||||
buf.push(b' ');
|
||||
}
|
||||
} else if i > 0 {
|
||||
buf.push(b' ');
|
||||
buf.push(b'}');
|
||||
}
|
||||
}
|
||||
T::List(l) => {
|
||||
let indent2 = indent + 2;
|
||||
for (i, v) in l.into_iter().enumerate() {
|
||||
if !is_toplevel && buf.iter().rev().take_while(|c| **c != b'\n').count() >= 70 {
|
||||
buf.push(b'\n');
|
||||
for _ in 0..indent2 {
|
||||
buf.push(b' ');
|
||||
}
|
||||
} else if i > 0 {
|
||||
buf.push(b' ');
|
||||
}
|
||||
v.encode_aux(buf, indent2, is_toplevel);
|
||||
}
|
||||
encode_aux(buf, v, indent2, is_toplevel);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -266,7 +270,7 @@ mod tests {
|
|||
from = jxx,
|
||||
subject = hello,
|
||||
}";
|
||||
let enc = encode(input);
|
||||
let enc = input.encode();
|
||||
eprintln!("{}", std::str::from_utf8(&enc).unwrap());
|
||||
eprintln!("{}", std::str::from_utf8(&expected[..]).unwrap());
|
||||
assert_eq!(&enc, &expected[..]);
|
||||
|
|
@ -282,16 +286,15 @@ mod tests {
|
|||
.is_err());
|
||||
|
||||
assert_eq!(
|
||||
encode(
|
||||
list([
|
||||
string("a").unwrap(),
|
||||
string("b").unwrap(),
|
||||
list([string("c").unwrap(), string("d").unwrap()])
|
||||
.unwrap()
|
||||
.nested()
|
||||
])
|
||||
.unwrap()
|
||||
),
|
||||
list([
|
||||
string("a").unwrap(),
|
||||
string("b").unwrap(),
|
||||
list([string("c").unwrap(), string("d").unwrap()])
|
||||
.unwrap()
|
||||
.nested()
|
||||
])
|
||||
.unwrap()
|
||||
.encode(),
|
||||
b"a b { . = c d }"
|
||||
);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@
|
|||
//! let keypair = crypto::generate_keypair();
|
||||
//!
|
||||
//! // Encode a fist object that represents a payload that will be hashed and signed
|
||||
//! let text1 = encode(list([
|
||||
//! let text1 = list([
|
||||
//! string("CALL").unwrap(),
|
||||
//! string("myfunction").unwrap(),
|
||||
//! dict([
|
||||
|
|
@ -18,18 +18,18 @@
|
|||
//! ("d", bytes_split(&((0..128u8).collect::<Vec<_>>()))),
|
||||
//! ]),
|
||||
//! keypair.public.term().unwrap(),
|
||||
//! ]).unwrap());
|
||||
//! ]).unwrap().encode();
|
||||
//! eprintln!("{}", std::str::from_utf8(&text1).unwrap());
|
||||
//!
|
||||
//! let hash = crypto::Blake2Sum::compute(&text1);
|
||||
//! let sign = keypair.sign(&text1);
|
||||
//!
|
||||
//! // Encode a second object that represents the signed and hashed payload
|
||||
//! let text2 = encode(dict([
|
||||
//! let text2 = dict([
|
||||
//! ("hash", hash.term().unwrap()),
|
||||
//! ("signature", sign.term().unwrap()),
|
||||
//! ("payload", raw(&text1).unwrap()),
|
||||
//! ]));
|
||||
//! ]).encode();
|
||||
//! eprintln!("{}", std::str::from_utf8(&text2).unwrap());
|
||||
//!
|
||||
//! // Decode and check everything is fine
|
||||
|
|
|
|||
Loading…
Reference in New Issue