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235 lines
7.8 KiB
Rust
235 lines
7.8 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::{
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compiler::{
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grammar::{
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instruction::{CompilerState, MapLocalVars},
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Capability, Comparator,
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},
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lexer::{word::Word, Token},
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CompileError, Value,
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},
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Metadata,
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};
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use crate::sieve::compiler::grammar::{test::Test, MatchType};
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub(crate) struct TestMailboxExists {
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pub mailbox_names: Vec<Value>,
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pub is_not: bool,
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}
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub(crate) struct TestMetadataExists {
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pub mailbox: Option<Value>,
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pub annotation_names: Vec<Value>,
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pub is_not: bool,
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}
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/*
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metadata [MATCH-TYPE] [COMPARATOR]
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<mailbox: string>
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<annotation-name: string> <key-list: string-list>
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*/
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub(crate) struct TestMetadata {
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pub match_type: MatchType,
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pub comparator: Comparator,
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pub medatata: Metadata<Value>,
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pub key_list: Vec<Value>,
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pub is_not: bool,
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}
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/*
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servermetadata [MATCH-TYPE] [COMPARATOR]
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<annotation-name: string> <key-list: string-list>
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*/
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impl<'x> CompilerState<'x> {
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pub(crate) fn parse_test_mailboxexists(&mut self) -> Result<Test, CompileError> {
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Ok(Test::MailboxExists(TestMailboxExists {
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mailbox_names: self.parse_strings(false)?,
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is_not: false,
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}))
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}
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pub(crate) fn parse_test_metadataexists(&mut self) -> Result<Test, CompileError> {
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Ok(Test::MetadataExists(TestMetadataExists {
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mailbox: self.parse_string()?.into(),
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annotation_names: self.parse_strings(false)?,
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is_not: false,
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}))
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}
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pub(crate) fn parse_test_servermetadataexists(&mut self) -> Result<Test, CompileError> {
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Ok(Test::MetadataExists(TestMetadataExists {
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mailbox: None,
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annotation_names: self.parse_strings(false)?,
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is_not: false,
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}))
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}
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pub(crate) fn parse_test_metadata(&mut self) -> Result<Test, CompileError> {
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let mut match_type = MatchType::Is;
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let mut comparator = Comparator::AsciiCaseMap;
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let mut mailbox = None;
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let mut annotation_name = None;
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let mut key_list: Vec<Value>;
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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(
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word @ (Word::Is
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| Word::Contains
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| Word::Matches
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| Word::Value
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| Word::Count
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| Word::Regex),
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) => {
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self.validate_argument(
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1,
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match word {
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Word::Value | Word::Count => Capability::Relational.into(),
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Word::Regex => Capability::Regex.into(),
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Word::List => Capability::ExtLists.into(),
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_ => None,
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},
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token_info.line_num,
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token_info.line_pos,
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)?;
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match_type = self.parse_match_type(word)?;
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}
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Token::Tag(Word::Comparator) => {
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self.validate_argument(2, None, token_info.line_num, token_info.line_pos)?;
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comparator = self.parse_comparator()?;
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}
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_ => {
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if mailbox.is_none() {
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mailbox = self.parse_string_token(token_info)?.into();
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} else if annotation_name.is_none() {
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annotation_name = self.parse_string_token(token_info)?.into();
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} else {
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key_list = self.parse_strings_token(token_info)?;
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break;
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}
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}
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}
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}
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self.validate_match(&match_type, &mut key_list)?;
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Ok(Test::Metadata(TestMetadata {
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match_type,
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comparator,
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medatata: Metadata::Mailbox {
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name: mailbox.unwrap(),
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annotation: annotation_name.unwrap(),
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},
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key_list,
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is_not: false,
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}))
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}
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pub(crate) fn parse_test_servermetadata(&mut self) -> Result<Test, CompileError> {
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let mut match_type = MatchType::Is;
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let mut comparator = Comparator::AsciiCaseMap;
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let mut annotation_name = None;
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let mut key_list: Vec<Value>;
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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(
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word @ (Word::Is
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| Word::Contains
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| Word::Matches
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| Word::Value
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| Word::Count
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| Word::Regex),
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) => {
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self.validate_argument(
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1,
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match word {
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Word::Value | Word::Count => Capability::Relational.into(),
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Word::Regex => Capability::Regex.into(),
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Word::List => Capability::ExtLists.into(),
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_ => None,
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},
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token_info.line_num,
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token_info.line_pos,
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)?;
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match_type = self.parse_match_type(word)?;
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}
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Token::Tag(Word::Comparator) => {
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self.validate_argument(2, None, token_info.line_num, token_info.line_pos)?;
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comparator = self.parse_comparator()?;
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}
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_ => {
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if annotation_name.is_none() {
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annotation_name = self.parse_string_token(token_info)?.into();
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} else {
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key_list = self.parse_strings_token(token_info)?;
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break;
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}
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}
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}
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}
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self.validate_match(&match_type, &mut key_list)?;
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Ok(Test::Metadata(TestMetadata {
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match_type,
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comparator,
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medatata: Metadata::Server {
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annotation: annotation_name.unwrap(),
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},
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key_list,
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is_not: false,
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}))
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}
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}
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impl MapLocalVars for Metadata<Value> {
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fn map_local_vars(&mut self, last_id: usize) {
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match self {
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Metadata::Mailbox { name, annotation } => {
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name.map_local_vars(last_id);
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annotation.map_local_vars(last_id);
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}
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Metadata::Server { annotation } => {
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annotation.map_local_vars(last_id);
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}
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}
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}
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}
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