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95 lines
3.0 KiB
Rust
95 lines
3.0 KiB
Rust
/*
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* Copyright (c) 2020-2023, Stalwart Labs Ltd.
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*
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* This file is part of the Stalwart Sieve Interpreter.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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* in the LICENSE file at the top-level directory of this distribution.
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* You can be released from the requirements of the AGPLv3 license by
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* purchasing a commercial license. Please contact licensing@stalw.art
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* for more details.
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*/
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use serde::{Deserialize, Serialize};
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use crate::sieve::compiler::{
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grammar::instruction::{CompilerState, Instruction},
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lexer::{word::Word, Token},
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CompileError, Value,
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};
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/*
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include [LOCATION] [":once"] [":optional"] <value: string>
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LOCATION = ":personal" / ":global"
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*/
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub(crate) struct Include {
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pub location: Location,
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pub once: bool,
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pub optional: bool,
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pub value: Value,
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}
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub(crate) enum Location {
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Personal,
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Global,
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}
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impl<'x> CompilerState<'x> {
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pub(crate) fn parse_include(&mut self) -> Result<(), CompileError> {
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let value;
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let mut once = false;
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let mut optional = false;
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let mut location = Location::Personal;
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loop {
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let token_info = self.tokens.unwrap_next()?;
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match token_info.token {
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Token::Tag(Word::Once) => {
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self.validate_argument(1, None, token_info.line_num, token_info.line_pos)?;
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once = true;
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}
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Token::Tag(Word::Optional) => {
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self.validate_argument(2, None, token_info.line_num, token_info.line_pos)?;
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optional = true;
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}
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Token::Tag(Word::Personal) => {
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self.validate_argument(3, None, token_info.line_num, token_info.line_pos)?;
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location = Location::Personal;
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}
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Token::Tag(Word::Global) => {
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self.validate_argument(3, None, token_info.line_num, token_info.line_pos)?;
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location = Location::Global;
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}
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_ => {
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value = self.parse_string_token(token_info)?;
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break;
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}
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}
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}
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self.instructions.push(Instruction::Include(Include {
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location,
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once,
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optional,
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value,
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}));
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Ok(())
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}
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}
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