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- This adds basic zsh support similarly to existing bash completion - New command "completion zsh" - Fix internal recursive command completion model for cases with deep nested commands - Fixes #927
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41 changes: 41 additions & 0 deletions
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...-standard/src/main/java/org/springframework/shell/standard/completion/ZshCompletions.java
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/* | ||
* Copyright 2023 the original author or authors. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* https://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
package org.springframework.shell.standard.completion; | ||
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import org.springframework.core.io.ResourceLoader; | ||
import org.springframework.shell.command.CommandCatalog; | ||
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/** | ||
* Completion script generator for a {@code zsh}. | ||
* | ||
* @author Janne Valkealahti | ||
*/ | ||
public class ZshCompletions extends AbstractCompletions { | ||
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public ZshCompletions(ResourceLoader resourceLoader, CommandCatalog commandCatalog) { | ||
super(resourceLoader, commandCatalog); | ||
} | ||
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public String generate(String rootCommand) { | ||
CommandModel model = generateCommandModel(); | ||
return builder() | ||
.attribute("name", rootCommand) | ||
.attribute("model", model) | ||
.group("classpath:completion/zsh.stg") | ||
.appendGroup("main") | ||
.build(); | ||
} | ||
} |
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89
spring-shell-standard/src/main/resources/completion/zsh.stg
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// | ||
// pre content template before commands | ||
// needs to escape some > characters | ||
// | ||
pre(name) ::= << | ||
#compdef _<name> <name> | ||
>> | ||
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// | ||
// commands section with command and description | ||
// | ||
cmd_and_desc(command) ::= << | ||
"<command.mainCommand>:<command.description>" | ||
>> | ||
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// | ||
// case for command to call function | ||
// | ||
cmd_func(name,command) ::= << | ||
<command.mainCommand>) | ||
_<name>_<command.commandParts:{p | <p>}; separator="_"> | ||
;; | ||
>> | ||
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// | ||
// recursive sub commands | ||
// | ||
sub_command(name,command,commands) ::= << | ||
function _<name>_<command.commandParts:{p | <p>}; separator="_"> { | ||
local -a commands | ||
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_arguments -C \ | ||
<command.flags:{f | "<f>" \\}; separator="\n"> | ||
"1: :->cmnds" \ | ||
"*::arg:->args" | ||
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case $state in | ||
cmnds) | ||
commands=( | ||
<commands:{c | <cmd_and_desc(c)>}; separator="\n"> | ||
) | ||
_describe "command" commands | ||
;; | ||
esac | ||
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case "$words[1]" in | ||
<commands:{c | <cmd_func(name,c)>}; separator="\n"> | ||
esac | ||
} | ||
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<commands:{c | <sub_command(name,c,c.commands)>}; separator="\n\n"> | ||
>> | ||
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// | ||
// top level commands | ||
// | ||
top_commands(name,commands) ::= << | ||
function _<name> { | ||
local -a commands | ||
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_arguments -C \ | ||
"1: :->cmnds" \ | ||
"*::arg:->args" | ||
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case $state in | ||
cmnds) | ||
commands=( | ||
<commands:{c | <cmd_and_desc(c)>}; separator="\n"> | ||
) | ||
_describe "command" commands | ||
;; | ||
esac | ||
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case "$words[1]" in | ||
<commands:{c | <cmd_func(name,c)>}; separator="\n"> | ||
esac | ||
} | ||
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<commands:{c | <sub_command(name,c,c.commands)>}; separator="\n\n"> | ||
>> | ||
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// | ||
// main template to call from render | ||
// | ||
main(name, model) ::= << | ||
<pre(name)> | ||
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<top_commands(name,model.commands)> | ||
>> |
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