forked from mirrors/jj
727 lines
26 KiB
Rust
727 lines
26 KiB
Rust
// Copyright 2020-2023 The Jujutsu Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use std::cmp::max;
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use std::collections::HashMap;
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use std::io;
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use std::rc::Rc;
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use itertools::Itertools as _;
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use jj_lib::backend::{ChangeId, CommitId, ObjectId as _};
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use jj_lib::commit::Commit;
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use jj_lib::hex_util::to_reverse_hex;
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use jj_lib::id_prefix::IdPrefixContext;
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use jj_lib::op_store::{RefTarget, WorkspaceId};
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use jj_lib::repo::Repo;
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use jj_lib::{git, rewrite};
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use once_cell::unsync::OnceCell;
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use crate::formatter::Formatter;
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use crate::template_builder::{
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self, BuildContext, CoreTemplatePropertyKind, IntoTemplateProperty, TemplateLanguage,
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};
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use crate::template_parser::{
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self, FunctionCallNode, TemplateAliasesMap, TemplateParseError, TemplateParseResult,
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};
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use crate::templater::{
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self, IntoTemplate, PlainTextFormattedProperty, Template, TemplateFunction, TemplateProperty,
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TemplatePropertyFn,
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};
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use crate::text_util;
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struct CommitTemplateLanguage<'repo, 'b> {
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repo: &'repo dyn Repo,
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workspace_id: &'b WorkspaceId,
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id_prefix_context: &'repo IdPrefixContext,
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keyword_cache: CommitKeywordCache,
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}
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impl<'repo> TemplateLanguage<'repo> for CommitTemplateLanguage<'repo, '_> {
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type Context = Commit;
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type Property = CommitTemplatePropertyKind<'repo>;
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template_builder::impl_core_wrap_property_fns!('repo, CommitTemplatePropertyKind::Core);
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fn build_keyword(&self, name: &str, span: pest::Span) -> TemplateParseResult<Self::Property> {
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build_commit_keyword(self, name, span)
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}
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fn build_method(
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&self,
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build_ctx: &BuildContext<Self::Property>,
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property: Self::Property,
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function: &FunctionCallNode,
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) -> TemplateParseResult<Self::Property> {
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match property {
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CommitTemplatePropertyKind::Core(property) => {
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template_builder::build_core_method(self, build_ctx, property, function)
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}
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CommitTemplatePropertyKind::Commit(property) => {
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build_commit_method(self, build_ctx, property, function)
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}
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CommitTemplatePropertyKind::CommitList(property) => {
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template_builder::build_unformattable_list_method(
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self,
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build_ctx,
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property,
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function,
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|item| self.wrap_commit(item),
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)
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}
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CommitTemplatePropertyKind::RefName(property) => {
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build_ref_name_method(self, build_ctx, property, function)
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}
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CommitTemplatePropertyKind::RefNameList(property) => {
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template_builder::build_formattable_list_method(
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self,
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build_ctx,
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property,
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function,
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|item| self.wrap_ref_name(item),
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)
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}
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CommitTemplatePropertyKind::CommitOrChangeId(property) => {
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build_commit_or_change_id_method(self, build_ctx, property, function)
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}
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CommitTemplatePropertyKind::ShortestIdPrefix(property) => {
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build_shortest_id_prefix_method(self, build_ctx, property, function)
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}
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}
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}
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}
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// If we need to add multiple languages that support Commit types, this can be
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// turned into a trait which extends TemplateLanguage.
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impl<'repo> CommitTemplateLanguage<'repo, '_> {
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fn wrap_commit(
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&self,
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property: impl TemplateProperty<Commit, Output = Commit> + 'repo,
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) -> CommitTemplatePropertyKind<'repo> {
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CommitTemplatePropertyKind::Commit(Box::new(property))
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}
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fn wrap_commit_list(
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&self,
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property: impl TemplateProperty<Commit, Output = Vec<Commit>> + 'repo,
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) -> CommitTemplatePropertyKind<'repo> {
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CommitTemplatePropertyKind::CommitList(Box::new(property))
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}
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fn wrap_ref_name(
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&self,
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property: impl TemplateProperty<Commit, Output = RefName> + 'repo,
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) -> CommitTemplatePropertyKind<'repo> {
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CommitTemplatePropertyKind::RefName(Box::new(property))
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}
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fn wrap_ref_name_list(
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&self,
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property: impl TemplateProperty<Commit, Output = Vec<RefName>> + 'repo,
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) -> CommitTemplatePropertyKind<'repo> {
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CommitTemplatePropertyKind::RefNameList(Box::new(property))
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}
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fn wrap_commit_or_change_id(
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&self,
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property: impl TemplateProperty<Commit, Output = CommitOrChangeId> + 'repo,
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) -> CommitTemplatePropertyKind<'repo> {
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CommitTemplatePropertyKind::CommitOrChangeId(Box::new(property))
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}
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fn wrap_shortest_id_prefix(
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&self,
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property: impl TemplateProperty<Commit, Output = ShortestIdPrefix> + 'repo,
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) -> CommitTemplatePropertyKind<'repo> {
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CommitTemplatePropertyKind::ShortestIdPrefix(Box::new(property))
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}
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}
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enum CommitTemplatePropertyKind<'repo> {
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Core(CoreTemplatePropertyKind<'repo, Commit>),
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Commit(Box<dyn TemplateProperty<Commit, Output = Commit> + 'repo>),
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CommitList(Box<dyn TemplateProperty<Commit, Output = Vec<Commit>> + 'repo>),
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RefName(Box<dyn TemplateProperty<Commit, Output = RefName> + 'repo>),
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RefNameList(Box<dyn TemplateProperty<Commit, Output = Vec<RefName>> + 'repo>),
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CommitOrChangeId(Box<dyn TemplateProperty<Commit, Output = CommitOrChangeId> + 'repo>),
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ShortestIdPrefix(Box<dyn TemplateProperty<Commit, Output = ShortestIdPrefix> + 'repo>),
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}
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impl<'repo> IntoTemplateProperty<'repo, Commit> for CommitTemplatePropertyKind<'repo> {
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fn try_into_boolean(self) -> Option<Box<dyn TemplateProperty<Commit, Output = bool> + 'repo>> {
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match self {
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CommitTemplatePropertyKind::Core(property) => property.try_into_boolean(),
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CommitTemplatePropertyKind::Commit(_) => None,
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CommitTemplatePropertyKind::CommitList(property) => {
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Some(Box::new(TemplateFunction::new(property, |l| !l.is_empty())))
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}
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CommitTemplatePropertyKind::RefName(_) => None,
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CommitTemplatePropertyKind::RefNameList(property) => {
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Some(Box::new(TemplateFunction::new(property, |l| !l.is_empty())))
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}
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CommitTemplatePropertyKind::CommitOrChangeId(_) => None,
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CommitTemplatePropertyKind::ShortestIdPrefix(_) => None,
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}
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}
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fn try_into_integer(self) -> Option<Box<dyn TemplateProperty<Commit, Output = i64> + 'repo>> {
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match self {
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CommitTemplatePropertyKind::Core(property) => property.try_into_integer(),
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_ => None,
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}
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}
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fn try_into_plain_text(
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self,
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) -> Option<Box<dyn TemplateProperty<Commit, Output = String> + 'repo>> {
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match self {
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CommitTemplatePropertyKind::Core(property) => property.try_into_plain_text(),
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_ => {
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let template = self.try_into_template()?;
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Some(Box::new(PlainTextFormattedProperty::new(template)))
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}
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}
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}
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fn try_into_template(self) -> Option<Box<dyn Template<Commit> + 'repo>> {
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match self {
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CommitTemplatePropertyKind::Core(property) => property.try_into_template(),
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CommitTemplatePropertyKind::Commit(_) => None,
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CommitTemplatePropertyKind::CommitList(_) => None,
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CommitTemplatePropertyKind::RefName(property) => Some(property.into_template()),
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CommitTemplatePropertyKind::RefNameList(property) => Some(property.into_template()),
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CommitTemplatePropertyKind::CommitOrChangeId(property) => {
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Some(property.into_template())
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}
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CommitTemplatePropertyKind::ShortestIdPrefix(property) => {
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Some(property.into_template())
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}
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}
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}
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}
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#[derive(Debug, Default)]
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struct CommitKeywordCache {
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// Build index lazily, and Rc to get away from &self lifetime.
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branches_index: OnceCell<Rc<RefNamesIndex>>,
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tags_index: OnceCell<Rc<RefNamesIndex>>,
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git_refs_index: OnceCell<Rc<RefNamesIndex>>,
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}
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impl CommitKeywordCache {
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fn branches_index(&self, repo: &dyn Repo) -> &Rc<RefNamesIndex> {
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self.branches_index
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.get_or_init(|| Rc::new(build_branches_index(repo)))
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}
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fn tags_index(&self, repo: &dyn Repo) -> &Rc<RefNamesIndex> {
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self.tags_index
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.get_or_init(|| Rc::new(build_ref_names_index(repo.view().tags())))
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}
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fn git_refs_index(&self, repo: &dyn Repo) -> &Rc<RefNamesIndex> {
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self.git_refs_index
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.get_or_init(|| Rc::new(build_ref_names_index(repo.view().git_refs())))
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}
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}
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fn build_commit_keyword<'repo>(
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language: &CommitTemplateLanguage<'repo, '_>,
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name: &str,
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span: pest::Span,
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) -> TemplateParseResult<CommitTemplatePropertyKind<'repo>> {
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// Commit object is lightweight (a few Arc + CommitId), so just clone it
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// to turn into a property type. Abstraction over "for<'a> (&'a T) -> &'a T"
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// and "(&T) -> T" wouldn't be simple. If we want to remove Clone/Rc/Arc,
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// maybe we can add an abstraction that takes "Fn(&Commit) -> O" and returns
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// "TemplateProperty<Commit, Output = O>".
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let property = TemplatePropertyFn(|commit: &Commit| commit.clone());
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build_commit_keyword_opt(language, property, name)
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.ok_or_else(|| TemplateParseError::no_such_keyword(name, span))
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}
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fn build_commit_method<'repo>(
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language: &CommitTemplateLanguage<'repo, '_>,
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_build_ctx: &BuildContext<CommitTemplatePropertyKind<'repo>>,
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self_property: impl TemplateProperty<Commit, Output = Commit> + 'repo,
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function: &FunctionCallNode,
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) -> TemplateParseResult<CommitTemplatePropertyKind<'repo>> {
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if let Some(property) = build_commit_keyword_opt(language, self_property, function.name) {
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template_parser::expect_no_arguments(function)?;
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Ok(property)
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} else {
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Err(TemplateParseError::no_such_method("Commit", function))
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}
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}
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fn build_commit_keyword_opt<'repo>(
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language: &CommitTemplateLanguage<'repo, '_>,
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property: impl TemplateProperty<Commit, Output = Commit> + 'repo,
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name: &str,
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) -> Option<CommitTemplatePropertyKind<'repo>> {
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fn wrap_fn<'repo, O>(
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property: impl TemplateProperty<Commit, Output = Commit> + 'repo,
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f: impl Fn(&Commit) -> O + 'repo,
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) -> impl TemplateProperty<Commit, Output = O> + 'repo {
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TemplateFunction::new(property, move |commit| f(&commit))
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}
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fn wrap_repo_fn<'repo, O>(
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repo: &'repo dyn Repo,
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property: impl TemplateProperty<Commit, Output = Commit> + 'repo,
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f: impl Fn(&dyn Repo, &Commit) -> O + 'repo,
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) -> impl TemplateProperty<Commit, Output = O> + 'repo {
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TemplateFunction::new(property, move |commit| f(repo, &commit))
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}
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let repo = language.repo;
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let cache = &language.keyword_cache;
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let property = match name {
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"description" => language.wrap_string(wrap_fn(property, |commit| {
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text_util::complete_newline(commit.description())
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})),
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"change_id" => language.wrap_commit_or_change_id(wrap_fn(property, |commit| {
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CommitOrChangeId::Change(commit.change_id().to_owned())
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})),
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"commit_id" => language.wrap_commit_or_change_id(wrap_fn(property, |commit| {
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CommitOrChangeId::Commit(commit.id().to_owned())
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})),
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"parents" => language.wrap_commit_list(wrap_fn(property, |commit| commit.parents())),
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"author" => language.wrap_signature(wrap_fn(property, |commit| commit.author().clone())),
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"committer" => {
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language.wrap_signature(wrap_fn(property, |commit| commit.committer().clone()))
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}
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"working_copies" => {
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language.wrap_string(wrap_repo_fn(repo, property, extract_working_copies))
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}
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"current_working_copy" => {
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let workspace_id = language.workspace_id.clone();
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language.wrap_boolean(wrap_fn(property, move |commit| {
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Some(commit.id()) == repo.view().get_wc_commit_id(&workspace_id)
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}))
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}
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"branches" => {
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let index = cache.branches_index(repo).clone();
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language.wrap_ref_name_list(wrap_fn(property, move |commit| {
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index
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.get(commit.id())
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.iter()
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.filter(|ref_name| ref_name.is_local() || !ref_name.synced)
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.cloned()
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.collect()
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}))
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}
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"local_branches" => {
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let index = cache.branches_index(repo).clone();
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language.wrap_ref_name_list(wrap_fn(property, move |commit| {
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index
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.get(commit.id())
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.iter()
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.filter(|ref_name| ref_name.is_local())
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.cloned()
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.collect()
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}))
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}
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"remote_branches" => {
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let index = cache.branches_index(repo).clone();
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language.wrap_ref_name_list(wrap_fn(property, move |commit| {
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index
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.get(commit.id())
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.iter()
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.filter(|ref_name| ref_name.is_remote())
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.cloned()
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.collect()
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}))
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}
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"tags" => {
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let index = cache.tags_index(repo).clone();
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language.wrap_ref_name_list(wrap_fn(property, move |commit| {
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index.get(commit.id()).to_vec()
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}))
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}
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"git_refs" => {
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let index = cache.git_refs_index(repo).clone();
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language.wrap_ref_name_list(wrap_fn(property, move |commit| {
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index.get(commit.id()).to_vec()
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}))
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}
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"git_head" => language.wrap_ref_name_list(wrap_repo_fn(repo, property, extract_git_head)),
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"divergent" => language.wrap_boolean(wrap_fn(property, |commit| {
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// The given commit could be hidden in e.g. obslog.
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let maybe_entries = repo.resolve_change_id(commit.change_id());
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maybe_entries.map_or(0, |entries| entries.len()) > 1
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})),
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"hidden" => language.wrap_boolean(wrap_fn(property, |commit| {
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let maybe_entries = repo.resolve_change_id(commit.change_id());
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maybe_entries.map_or(true, |entries| !entries.contains(commit.id()))
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})),
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"conflict" => {
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language.wrap_boolean(wrap_fn(property, |commit| commit.has_conflict().unwrap()))
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}
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"empty" => language.wrap_boolean(wrap_fn(property, |commit| {
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if let [parent] = &commit.parents()[..] {
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return parent.tree_id() == commit.tree_id();
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}
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let parent_tree = rewrite::merge_commit_trees(repo, &commit.parents()).unwrap();
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*commit.tree_id() == parent_tree.id()
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})),
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"root" => language.wrap_boolean(wrap_fn(property, move |commit| {
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commit.id() == repo.store().root_commit_id()
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})),
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_ => return None,
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};
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Some(property)
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}
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// TODO: return Vec<String>
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fn extract_working_copies(repo: &dyn Repo, commit: &Commit) -> String {
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let wc_commit_ids = repo.view().wc_commit_ids();
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if wc_commit_ids.len() <= 1 {
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return "".to_string();
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}
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let mut names = vec![];
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for (workspace_id, wc_commit_id) in wc_commit_ids.iter().sorted() {
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if wc_commit_id == commit.id() {
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names.push(format!("{}@", workspace_id.as_str()));
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}
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}
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names.join(" ")
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}
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/// Branch or tag name with metadata.
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#[derive(Clone, Debug, Eq, PartialEq)]
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struct RefName {
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/// Local name.
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name: String,
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/// Remote name if this is a remote or Git-tracking ref.
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remote: Option<String>,
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/// Ref target has conflicts.
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conflict: bool,
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/// Local ref is synchronized with all tracking remotes, or tracking remote
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/// ref is synchronized with the local.
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synced: bool,
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}
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impl RefName {
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fn is_local(&self) -> bool {
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self.remote.is_none()
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}
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fn is_remote(&self) -> bool {
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self.remote.is_some()
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}
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}
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impl Template<()> for RefName {
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fn format(&self, _: &(), formatter: &mut dyn Formatter) -> io::Result<()> {
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write!(formatter.labeled("name"), "{}", self.name)?;
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if let Some(remote) = &self.remote {
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write!(formatter, "@")?;
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write!(formatter.labeled("remote"), "{remote}")?;
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}
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// Don't show both conflict and unsynced sigils as conflicted ref wouldn't
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// be pushed.
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if self.conflict {
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write!(formatter, "??")?;
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} else if self.is_local() && !self.synced {
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write!(formatter, "*")?;
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}
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Ok(())
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}
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}
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impl Template<()> for Vec<RefName> {
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fn format(&self, _: &(), formatter: &mut dyn Formatter) -> io::Result<()> {
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templater::format_joined(&(), formatter, self, " ")
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}
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}
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fn build_ref_name_method<'repo>(
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language: &CommitTemplateLanguage<'repo, '_>,
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_build_ctx: &BuildContext<CommitTemplatePropertyKind<'repo>>,
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self_property: impl TemplateProperty<Commit, Output = RefName> + 'repo,
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function: &FunctionCallNode,
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) -> TemplateParseResult<CommitTemplatePropertyKind<'repo>> {
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let property = match function.name {
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"name" => {
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template_parser::expect_no_arguments(function)?;
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language.wrap_string(TemplateFunction::new(self_property, |ref_name| {
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ref_name.name
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}))
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}
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"remote" => {
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template_parser::expect_no_arguments(function)?;
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language.wrap_string(TemplateFunction::new(self_property, |ref_name| {
|
|
ref_name.remote.unwrap_or_default()
|
|
}))
|
|
}
|
|
// TODO: expose conflict, synced, remote.is_some()
|
|
_ => return Err(TemplateParseError::no_such_method("RefName", function)),
|
|
};
|
|
Ok(property)
|
|
}
|
|
|
|
/// Cache for reverse lookup refs.
|
|
#[derive(Clone, Debug, Default)]
|
|
struct RefNamesIndex {
|
|
index: HashMap<CommitId, Vec<RefName>>,
|
|
}
|
|
|
|
impl RefNamesIndex {
|
|
fn insert<'a>(&mut self, ids: impl IntoIterator<Item = &'a CommitId>, name: RefName) {
|
|
for id in ids {
|
|
let ref_names = self.index.entry(id.clone()).or_default();
|
|
ref_names.push(name.clone());
|
|
}
|
|
}
|
|
|
|
fn get(&self, id: &CommitId) -> &[RefName] {
|
|
if let Some(names) = self.index.get(id) {
|
|
names
|
|
} else {
|
|
&[]
|
|
}
|
|
}
|
|
}
|
|
|
|
fn build_branches_index(repo: &dyn Repo) -> RefNamesIndex {
|
|
let mut index = RefNamesIndex::default();
|
|
for (branch_name, branch_target) in repo.view().branches() {
|
|
let local_target = branch_target.local_target;
|
|
let remote_refs = branch_target.remote_refs;
|
|
if local_target.is_present() {
|
|
let ref_name = RefName {
|
|
name: branch_name.to_owned(),
|
|
remote: None,
|
|
conflict: local_target.has_conflict(),
|
|
synced: remote_refs.iter().all(|&(_, remote_ref)| {
|
|
!remote_ref.is_tracking() || remote_ref.target == *local_target
|
|
}),
|
|
};
|
|
index.insert(local_target.added_ids(), ref_name);
|
|
}
|
|
for &(remote_name, remote_ref) in &remote_refs {
|
|
let ref_name = RefName {
|
|
name: branch_name.to_owned(),
|
|
remote: Some(remote_name.to_owned()),
|
|
conflict: remote_ref.target.has_conflict(),
|
|
synced: remote_ref.is_tracking() && remote_ref.target == *local_target,
|
|
};
|
|
index.insert(remote_ref.target.added_ids(), ref_name);
|
|
}
|
|
}
|
|
index
|
|
}
|
|
|
|
fn build_ref_names_index<'a>(
|
|
ref_pairs: impl IntoIterator<Item = (&'a String, &'a RefTarget)>,
|
|
) -> RefNamesIndex {
|
|
let mut index = RefNamesIndex::default();
|
|
for (name, target) in ref_pairs {
|
|
let ref_name = RefName {
|
|
name: name.to_owned(),
|
|
remote: None,
|
|
conflict: target.has_conflict(),
|
|
synced: true, // has no tracking remotes
|
|
};
|
|
index.insert(target.added_ids(), ref_name);
|
|
}
|
|
index
|
|
}
|
|
|
|
// TODO: maybe add option or nullable type?
|
|
fn extract_git_head(repo: &dyn Repo, commit: &Commit) -> Vec<RefName> {
|
|
let target = repo.view().git_head();
|
|
if target.added_ids().contains(commit.id()) {
|
|
let ref_name = RefName {
|
|
name: "HEAD".to_owned(),
|
|
remote: Some(git::REMOTE_NAME_FOR_LOCAL_GIT_REPO.to_owned()),
|
|
conflict: target.has_conflict(),
|
|
synced: false, // has no local counterpart
|
|
};
|
|
vec![ref_name]
|
|
} else {
|
|
vec![]
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, Debug, Eq, PartialEq)]
|
|
enum CommitOrChangeId {
|
|
Commit(CommitId),
|
|
Change(ChangeId),
|
|
}
|
|
|
|
impl CommitOrChangeId {
|
|
pub fn hex(&self) -> String {
|
|
match self {
|
|
CommitOrChangeId::Commit(id) => id.hex(),
|
|
CommitOrChangeId::Change(id) => {
|
|
// TODO: We can avoid the unwrap() and make this more efficient by converting
|
|
// straight from bytes.
|
|
to_reverse_hex(&id.hex()).unwrap()
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn short(&self, total_len: usize) -> String {
|
|
let mut hex = self.hex();
|
|
hex.truncate(total_len);
|
|
hex
|
|
}
|
|
|
|
/// The length of the id printed will be the maximum of `total_len` and the
|
|
/// length of the shortest unique prefix
|
|
pub fn shortest(
|
|
&self,
|
|
repo: &dyn Repo,
|
|
id_prefix_context: &IdPrefixContext,
|
|
total_len: usize,
|
|
) -> ShortestIdPrefix {
|
|
let mut hex = self.hex();
|
|
let prefix_len = match self {
|
|
CommitOrChangeId::Commit(id) => id_prefix_context.shortest_commit_prefix_len(repo, id),
|
|
CommitOrChangeId::Change(id) => id_prefix_context.shortest_change_prefix_len(repo, id),
|
|
};
|
|
hex.truncate(max(prefix_len, total_len));
|
|
let rest = hex.split_off(prefix_len);
|
|
ShortestIdPrefix { prefix: hex, rest }
|
|
}
|
|
}
|
|
|
|
impl Template<()> for CommitOrChangeId {
|
|
fn format(&self, _: &(), formatter: &mut dyn Formatter) -> io::Result<()> {
|
|
formatter.write_str(&self.hex())
|
|
}
|
|
}
|
|
|
|
fn build_commit_or_change_id_method<'repo>(
|
|
language: &CommitTemplateLanguage<'repo, '_>,
|
|
build_ctx: &BuildContext<CommitTemplatePropertyKind<'repo>>,
|
|
self_property: impl TemplateProperty<Commit, Output = CommitOrChangeId> + 'repo,
|
|
function: &FunctionCallNode,
|
|
) -> TemplateParseResult<CommitTemplatePropertyKind<'repo>> {
|
|
let parse_optional_integer = |function| -> Result<Option<_>, TemplateParseError> {
|
|
let ([], [len_node]) = template_parser::expect_arguments(function)?;
|
|
len_node
|
|
.map(|node| template_builder::expect_integer_expression(language, build_ctx, node))
|
|
.transpose()
|
|
};
|
|
let property = match function.name {
|
|
"short" => {
|
|
let len_property = parse_optional_integer(function)?;
|
|
language.wrap_string(TemplateFunction::new(
|
|
(self_property, len_property),
|
|
|(id, len)| id.short(len.map_or(12, |l| l.try_into().unwrap_or(0))),
|
|
))
|
|
}
|
|
"shortest" => {
|
|
let id_prefix_context = &language.id_prefix_context;
|
|
let len_property = parse_optional_integer(function)?;
|
|
language.wrap_shortest_id_prefix(TemplateFunction::new(
|
|
(self_property, len_property),
|
|
|(id, len)| {
|
|
id.shortest(
|
|
language.repo,
|
|
id_prefix_context,
|
|
len.and_then(|l| l.try_into().ok()).unwrap_or(0),
|
|
)
|
|
},
|
|
))
|
|
}
|
|
_ => {
|
|
return Err(TemplateParseError::no_such_method(
|
|
"CommitOrChangeId",
|
|
function,
|
|
))
|
|
}
|
|
};
|
|
Ok(property)
|
|
}
|
|
|
|
struct ShortestIdPrefix {
|
|
pub prefix: String,
|
|
pub rest: String,
|
|
}
|
|
|
|
impl Template<()> for ShortestIdPrefix {
|
|
fn format(&self, _: &(), formatter: &mut dyn Formatter) -> io::Result<()> {
|
|
formatter.with_label("prefix", |fmt| fmt.write_str(&self.prefix))?;
|
|
formatter.with_label("rest", |fmt| fmt.write_str(&self.rest))
|
|
}
|
|
}
|
|
|
|
impl ShortestIdPrefix {
|
|
fn to_upper(&self) -> Self {
|
|
Self {
|
|
prefix: self.prefix.to_ascii_uppercase(),
|
|
rest: self.rest.to_ascii_uppercase(),
|
|
}
|
|
}
|
|
fn to_lower(&self) -> Self {
|
|
Self {
|
|
prefix: self.prefix.to_ascii_lowercase(),
|
|
rest: self.rest.to_ascii_lowercase(),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn build_shortest_id_prefix_method<'repo>(
|
|
language: &CommitTemplateLanguage<'repo, '_>,
|
|
_build_ctx: &BuildContext<CommitTemplatePropertyKind<'repo>>,
|
|
self_property: impl TemplateProperty<Commit, Output = ShortestIdPrefix> + 'repo,
|
|
function: &FunctionCallNode,
|
|
) -> TemplateParseResult<CommitTemplatePropertyKind<'repo>> {
|
|
let property = match function.name {
|
|
"prefix" => {
|
|
template_parser::expect_no_arguments(function)?;
|
|
language.wrap_string(TemplateFunction::new(self_property, |id| id.prefix))
|
|
}
|
|
"rest" => {
|
|
template_parser::expect_no_arguments(function)?;
|
|
language.wrap_string(TemplateFunction::new(self_property, |id| id.rest))
|
|
}
|
|
"upper" => {
|
|
template_parser::expect_no_arguments(function)?;
|
|
language
|
|
.wrap_shortest_id_prefix(TemplateFunction::new(self_property, |id| id.to_upper()))
|
|
}
|
|
"lower" => {
|
|
template_parser::expect_no_arguments(function)?;
|
|
language
|
|
.wrap_shortest_id_prefix(TemplateFunction::new(self_property, |id| id.to_lower()))
|
|
}
|
|
_ => {
|
|
return Err(TemplateParseError::no_such_method(
|
|
"ShortestIdPrefix",
|
|
function,
|
|
))
|
|
}
|
|
};
|
|
Ok(property)
|
|
}
|
|
|
|
pub fn parse<'repo>(
|
|
repo: &'repo dyn Repo,
|
|
workspace_id: &WorkspaceId,
|
|
id_prefix_context: &'repo IdPrefixContext,
|
|
template_text: &str,
|
|
aliases_map: &TemplateAliasesMap,
|
|
) -> TemplateParseResult<Box<dyn Template<Commit> + 'repo>> {
|
|
let language = CommitTemplateLanguage {
|
|
repo,
|
|
workspace_id,
|
|
id_prefix_context,
|
|
keyword_cache: CommitKeywordCache::default(),
|
|
};
|
|
let node = template_parser::parse(template_text, aliases_map)?;
|
|
template_builder::build(&language, &node)
|
|
}
|