forked from mirrors/gotosocial
b56dae8120
* update all but bun libraries Signed-off-by: kim <grufwub@gmail.com> * remove my personal build script changes Signed-off-by: kim <grufwub@gmail.com>
258 lines
8.8 KiB
Go
258 lines
8.8 KiB
Go
package cobra
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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)
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// GenZshCompletionFile generates zsh completion file including descriptions.
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func (c *Command) GenZshCompletionFile(filename string) error {
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return c.genZshCompletionFile(filename, true)
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}
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// GenZshCompletion generates zsh completion file including descriptions
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// and writes it to the passed writer.
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func (c *Command) GenZshCompletion(w io.Writer) error {
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return c.genZshCompletion(w, true)
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}
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// GenZshCompletionFileNoDesc generates zsh completion file without descriptions.
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func (c *Command) GenZshCompletionFileNoDesc(filename string) error {
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return c.genZshCompletionFile(filename, false)
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}
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// GenZshCompletionNoDesc generates zsh completion file without descriptions
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// and writes it to the passed writer.
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func (c *Command) GenZshCompletionNoDesc(w io.Writer) error {
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return c.genZshCompletion(w, false)
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}
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// MarkZshCompPositionalArgumentFile only worked for zsh and its behavior was
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// not consistent with Bash completion. It has therefore been disabled.
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// Instead, when no other completion is specified, file completion is done by
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// default for every argument. One can disable file completion on a per-argument
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// basis by using ValidArgsFunction and ShellCompDirectiveNoFileComp.
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// To achieve file extension filtering, one can use ValidArgsFunction and
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// ShellCompDirectiveFilterFileExt.
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//
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// Deprecated
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func (c *Command) MarkZshCompPositionalArgumentFile(argPosition int, patterns ...string) error {
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return nil
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}
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// MarkZshCompPositionalArgumentWords only worked for zsh. It has therefore
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// been disabled.
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// To achieve the same behavior across all shells, one can use
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// ValidArgs (for the first argument only) or ValidArgsFunction for
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// any argument (can include the first one also).
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//
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// Deprecated
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func (c *Command) MarkZshCompPositionalArgumentWords(argPosition int, words ...string) error {
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return nil
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}
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func (c *Command) genZshCompletionFile(filename string, includeDesc bool) error {
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outFile, err := os.Create(filename)
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if err != nil {
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return err
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}
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defer outFile.Close()
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return c.genZshCompletion(outFile, includeDesc)
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}
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func (c *Command) genZshCompletion(w io.Writer, includeDesc bool) error {
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buf := new(bytes.Buffer)
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genZshComp(buf, c.Name(), includeDesc)
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_, err := buf.WriteTo(w)
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return err
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}
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func genZshComp(buf io.StringWriter, name string, includeDesc bool) {
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compCmd := ShellCompRequestCmd
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if !includeDesc {
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compCmd = ShellCompNoDescRequestCmd
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}
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WriteStringAndCheck(buf, fmt.Sprintf(`#compdef _%[1]s %[1]s
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# zsh completion for %-36[1]s -*- shell-script -*-
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__%[1]s_debug()
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{
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local file="$BASH_COMP_DEBUG_FILE"
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if [[ -n ${file} ]]; then
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echo "$*" >> "${file}"
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fi
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}
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_%[1]s()
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{
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local shellCompDirectiveError=%[3]d
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local shellCompDirectiveNoSpace=%[4]d
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local shellCompDirectiveNoFileComp=%[5]d
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local shellCompDirectiveFilterFileExt=%[6]d
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local shellCompDirectiveFilterDirs=%[7]d
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local lastParam lastChar flagPrefix requestComp out directive comp lastComp noSpace
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local -a completions
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__%[1]s_debug "\n========= starting completion logic =========="
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__%[1]s_debug "CURRENT: ${CURRENT}, words[*]: ${words[*]}"
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# The user could have moved the cursor backwards on the command-line.
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# We need to trigger completion from the $CURRENT location, so we need
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# to truncate the command-line ($words) up to the $CURRENT location.
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# (We cannot use $CURSOR as its value does not work when a command is an alias.)
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words=("${=words[1,CURRENT]}")
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__%[1]s_debug "Truncated words[*]: ${words[*]},"
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lastParam=${words[-1]}
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lastChar=${lastParam[-1]}
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__%[1]s_debug "lastParam: ${lastParam}, lastChar: ${lastChar}"
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# For zsh, when completing a flag with an = (e.g., %[1]s -n=<TAB>)
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# completions must be prefixed with the flag
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setopt local_options BASH_REMATCH
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if [[ "${lastParam}" =~ '-.*=' ]]; then
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# We are dealing with a flag with an =
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flagPrefix="-P ${BASH_REMATCH}"
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fi
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# Prepare the command to obtain completions
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requestComp="${words[1]} %[2]s ${words[2,-1]}"
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if [ "${lastChar}" = "" ]; then
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# If the last parameter is complete (there is a space following it)
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# We add an extra empty parameter so we can indicate this to the go completion code.
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__%[1]s_debug "Adding extra empty parameter"
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requestComp="${requestComp} \"\""
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fi
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__%[1]s_debug "About to call: eval ${requestComp}"
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# Use eval to handle any environment variables and such
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out=$(eval ${requestComp} 2>/dev/null)
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__%[1]s_debug "completion output: ${out}"
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# Extract the directive integer following a : from the last line
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local lastLine
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while IFS='\n' read -r line; do
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lastLine=${line}
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done < <(printf "%%s\n" "${out[@]}")
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__%[1]s_debug "last line: ${lastLine}"
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if [ "${lastLine[1]}" = : ]; then
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directive=${lastLine[2,-1]}
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# Remove the directive including the : and the newline
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local suffix
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(( suffix=${#lastLine}+2))
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out=${out[1,-$suffix]}
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else
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# There is no directive specified. Leave $out as is.
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__%[1]s_debug "No directive found. Setting do default"
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directive=0
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fi
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__%[1]s_debug "directive: ${directive}"
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__%[1]s_debug "completions: ${out}"
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__%[1]s_debug "flagPrefix: ${flagPrefix}"
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if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then
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__%[1]s_debug "Completion received error. Ignoring completions."
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return
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fi
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while IFS='\n' read -r comp; do
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if [ -n "$comp" ]; then
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# If requested, completions are returned with a description.
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# The description is preceded by a TAB character.
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# For zsh's _describe, we need to use a : instead of a TAB.
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# We first need to escape any : as part of the completion itself.
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comp=${comp//:/\\:}
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local tab=$(printf '\t')
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comp=${comp//$tab/:}
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__%[1]s_debug "Adding completion: ${comp}"
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completions+=${comp}
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lastComp=$comp
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fi
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done < <(printf "%%s\n" "${out[@]}")
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if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
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__%[1]s_debug "Activating nospace."
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noSpace="-S ''"
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fi
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if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
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# File extension filtering
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local filteringCmd
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filteringCmd='_files'
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for filter in ${completions[@]}; do
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if [ ${filter[1]} != '*' ]; then
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# zsh requires a glob pattern to do file filtering
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filter="\*.$filter"
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fi
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filteringCmd+=" -g $filter"
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done
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filteringCmd+=" ${flagPrefix}"
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__%[1]s_debug "File filtering command: $filteringCmd"
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_arguments '*:filename:'"$filteringCmd"
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elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then
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# File completion for directories only
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local subdir
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subdir="${completions[1]}"
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if [ -n "$subdir" ]; then
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__%[1]s_debug "Listing directories in $subdir"
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pushd "${subdir}" >/dev/null 2>&1
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else
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__%[1]s_debug "Listing directories in ."
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fi
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local result
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_arguments '*:dirname:_files -/'" ${flagPrefix}"
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result=$?
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if [ -n "$subdir" ]; then
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popd >/dev/null 2>&1
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fi
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return $result
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else
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__%[1]s_debug "Calling _describe"
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if eval _describe "completions" completions $flagPrefix $noSpace; then
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__%[1]s_debug "_describe found some completions"
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# Return the success of having called _describe
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return 0
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else
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__%[1]s_debug "_describe did not find completions."
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__%[1]s_debug "Checking if we should do file completion."
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if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
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__%[1]s_debug "deactivating file completion"
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# We must return an error code here to let zsh know that there were no
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# completions found by _describe; this is what will trigger other
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# matching algorithms to attempt to find completions.
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# For example zsh can match letters in the middle of words.
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return 1
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else
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# Perform file completion
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__%[1]s_debug "Activating file completion"
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# We must return the result of this command, so it must be the
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# last command, or else we must store its result to return it.
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_arguments '*:filename:_files'" ${flagPrefix}"
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fi
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fi
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fi
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}
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# don't run the completion function when being source-ed or eval-ed
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if [ "$funcstack[1]" = "_%[1]s" ]; then
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_%[1]s
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fi
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`, name, compCmd,
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ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
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ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
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}
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