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/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use crate::{
compiler::{
grammar::{instruction::CompilerState, Capability, Comparator},
lexer::{word::Word, Token},
CompileError, ErrorType, Value,
},
Envelope,
};
use crate::compiler::grammar::{test::Test, AddressPart, MatchType};
#[derive(Debug, Clone, PartialEq, Eq)]
#[cfg_attr(
any(test, feature = "serde"),
derive(serde::Serialize, serde::Deserialize)
)]
#[cfg_attr(
feature = "rkyv",
derive(rkyv::Serialize, rkyv::Deserialize, rkyv::Archive)
)]
pub(crate) struct TestEnvelope {
pub envelope_list: Vec<Envelope>,
pub key_list: Vec<Value>,
pub address_part: AddressPart,
pub match_type: MatchType,
pub comparator: Comparator,
pub zone: Option<i64>,
pub is_not: bool,
}
impl CompilerState<'_> {
pub(crate) fn parse_test_envelope(&mut self) -> Result<Test, CompileError> {
let mut address_part = AddressPart::All;
let mut match_type = MatchType::Is;
let mut comparator = Comparator::AsciiCaseMap;
let mut envelope_list = None;
let mut key_list;
let mut zone = None;
loop {
let mut token_info = self.tokens.unwrap_next()?;
match token_info.token {
Token::Tag(
word @ (Word::LocalPart | Word::Domain | Word::All | Word::User | Word::Detail),
) => {
self.validate_argument(
1,
if matches!(word, Word::User | Word::Detail) {
Capability::SubAddress.into()
} else {
None
},
token_info.line_num,
token_info.line_pos,
)?;
address_part = word.into();
}
Token::Tag(
word @ (Word::Is
| Word::Contains
| Word::Matches
| Word::Value
| Word::Count
| Word::Regex
| Word::List),
) => {
self.validate_argument(
2,
match word {
Word::Value | Word::Count => Capability::Relational.into(),
Word::Regex => Capability::Regex.into(),
Word::List => Capability::ExtLists.into(),
_ => None,
},
token_info.line_num,
token_info.line_pos,
)?;
match_type = self.parse_match_type(word)?;
}
Token::Tag(Word::Comparator) => {
self.validate_argument(3, None, token_info.line_num, token_info.line_pos)?;
comparator = self.parse_comparator()?;
}
Token::Tag(Word::Zone) => {
self.validate_argument(
4,
Capability::EnvelopeDeliverBy.into(),
token_info.line_num,
token_info.line_pos,
)?;
zone = self.parse_timezone()?.into();
}
_ => {
if envelope_list.is_none() {
let mut envelopes = Vec::new();
let line_num = token_info.line_num;
let line_pos = token_info.line_pos;
match token_info.token {
Token::StringConstant(s) => {
match Envelope::try_from(s.into_string().to_ascii_lowercase()) {
Ok(envelope) => {
envelopes.push(envelope);
}
Err(invalid) => {
token_info.token = Token::Comma;
return Err(
token_info.custom(ErrorType::InvalidEnvelope(invalid))
);
}
}
}
Token::BracketOpen => loop {
let mut token_info = self.tokens.unwrap_next()?;
match token_info.token {
Token::StringConstant(s) => {
match Envelope::try_from(
s.into_string().to_ascii_lowercase(),
) {
Ok(envelope) => {
if !envelopes.contains(&envelope) {
envelopes.push(envelope);
}
}
Err(invalid) => {
token_info.token = Token::Comma;
return Err(token_info
.custom(ErrorType::InvalidEnvelope(invalid)));
}
}
}
Token::Comma => (),
Token::BracketClose if !envelopes.is_empty() => break,
_ => return Err(token_info.expected("constant string")),
}
},
_ => return Err(token_info.expected("constant string")),
}
for envelope in &envelopes {
match envelope {
Envelope::ByTimeAbsolute
| Envelope::ByTimeRelative
| Envelope::ByMode
| Envelope::ByTrace => {
self.validate_argument(
0,
Capability::EnvelopeDeliverBy.into(),
line_num,
line_pos,
)?;
}
Envelope::Notify
| Envelope::Orcpt
| Envelope::Ret
| Envelope::Envid => {
self.validate_argument(
0,
Capability::EnvelopeDsn.into(),
line_num,
line_pos,
)?;
}
_ => (),
}
}
envelope_list = envelopes.into();
} else {
key_list = self.parse_strings_token(token_info)?;
break;
}
}
}
}
self.validate_match(&match_type, &mut key_list)?;
Ok(Test::Envelope(TestEnvelope {
envelope_list: envelope_list.unwrap(),
key_list,
address_part,
match_type,
comparator,
zone,
is_not: false,
}))
}
}
impl TryFrom<String> for Envelope {
type Error = String;
fn try_from(value: String) -> Result<Self, Self::Error> {
if let Some(envelope) = lookup_envelope(&value) {
Ok(envelope)
} else {
Err(value)
}
}
}
impl<'x> TryFrom<&'x str> for Envelope {
type Error = &'x str;
fn try_from(value: &'x str) -> Result<Self, Self::Error> {
if let Some(envelope) = lookup_envelope(value) {
Ok(envelope)
} else {
Err(value)
}
}
}
fn lookup_envelope(input: &str) -> Option<Envelope> {
hashify::tiny_map!(
input.as_bytes(),
"from" => Envelope::From,
"to" => Envelope::To,
"bytimeabsolute" => Envelope::ByTimeAbsolute,
"bytimerelative" => Envelope::ByTimeRelative,
"bymode" => Envelope::ByMode,
"bytrace" => Envelope::ByTrace,
"notify" => Envelope::Notify,
"orcpt" => Envelope::Orcpt,
"ret" => Envelope::Ret,
"envid" => Envelope::Envid,
)
}