core/completion/unix.ps1
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Add-Member -InputObject $PSCompletions -MemberType ScriptMethod generate_completion {} Add-Member -InputObject $PSCompletions -MemberType ScriptMethod handle_completion { foreach ($_ in $this.alias.keys) { Register-ArgumentCompleter -CommandName $_ -ScriptBlock { param($word_to_complete, $command_ast, $cursor_position) # 使用正则表达式进行分割，将命令行中的每个参数分割出来，形成一个数组， 引号包裹的内容会被当作一个参数，且数组会包含 "--" $input_arr = [System.Collections.Generic.List[string]]@() $matches = [regex]::Matches($command_ast.CommandElements, "(?:`"[^`"]*`"|'[^']*'|\S)+") foreach ($match in $matches) { $input_arr.Add($match.Value) } # 触发补全的值，此值可能是别名或命令名 $alias = $input_arr[0] # 原始的命令名，也是 completions 目录下的命令目录名 $PSCompletions.current_cmd = $root = $PSCompletions.alias.$alias $input_arr.RemoveAt(0) # 是否是按下空格键触发的补全 $space_tab = if (!$word_to_complete.length) { 1 }else { 0 } # 获取 json 数据 if ($PSCompletions.job.State -eq 'Completed') { $data = Receive-Job $PSCompletions.job foreach ($_ in $data.Keys) { $PSCompletions.data.$_ = $data.$_ } Remove-Job $PSCompletions.job $PSCompletions.job = $null } if (!$PSCompletions.data.$root -or $PSCompletions.config.disable_cache) { $language = $PSCompletions.get_language($root) $PSCompletions.data.$root = $PSCompletions.ConvertFrom_JsonToHashtable($PSCompletions.get_raw_content("$($PSCompletions.path.completions)/$($root)/language/$($language).json")) } $common_options = [System.Collections.Generic.List[string]]@() $common_options_with_next = [System.Collections.Generic.List[string]]@() if ($PSCompletions.data.$root.common_options) { foreach ($_ in $PSCompletions.data.$root.common_options) { foreach ($a in $_.alias) { $common_options.Add($a) if ($_.next) { $common_options_with_next.Add($a) } } $common_options.Add($_.name) if ($_.next) { $common_options_with_next.Add($_.name) } } } $WriteSpaceTab = [System.Collections.Generic.List[string]]@() $WriteSpaceTab.AddRange($common_options_with_next) $WriteSpaceTab_and_SpaceTab = [System.Collections.Generic.List[string]]@() # 存储别名的映射，用于在过滤时允许别名 $alias_map = @{} function getCompletions { $completions = [System.Collections.Generic.List[System.Object]]@() $runspacePool = [runspacefactory]::CreateRunspacePool(1, [Environment]::ProcessorCount) $runspacePool.Open() $runspaces = @() $tasks = @() if ($PSCompletions.data.$root.root) { $tasks += @{ node = $PSCompletions.data.$root.root isOption = $false } } if ($PSCompletions.data.$root.options) { $tasks += @{ node = $PSCompletions.data.$root.options isOption = $true } } foreach ($task in $tasks) { $runspace = [powershell]::Create().AddScript({ param($obj, $PSCompletions) $completions = [System.Collections.Generic.List[System.Object]]@() function _replace { param ($data, $separator = '') $data = ($data -join $separator) $pattern = '\{\{(.*?(\})*)(?=\}\})\}\}' $matches = [regex]::Matches($data, $pattern) foreach ($match in $matches) { $data = $data.Replace($match.Value, (Invoke-Expression $match.Groups[1].Value) -join $separator ) } if ($data -match $pattern) { (_replace $data) }else { return $data } } function parseCompletions { param($node, $pre, $isOption) foreach ($_ in $node) { $pad = if ($pre) { ' ' }else { '' } $symbols = @() if ($isOption) { $symbols += 'OptionTab' } if ($_.next -or $_.options) { $symbols += 'SpaceTab' if ($isOption) { $symbols += 'WriteSpaceTab' } } if ($_.symbol) { $symbols += (_replace $_.symbol ' ') -split ' ' } $symbols = $symbols | Select-Object -Unique $symbols = foreach ($c in $symbols) { $PSCompletions.config."symbol_$($c)" } $symbols = $symbols -join '' $padSymbols = if ($symbols) { "$($PSCompletions.config.menu_between_item_and_symbol)$($symbols)" }else { '' } $completions.Add(@{ name = $pre + $pad + $_.name ListItemText = "$($_.name)$($padSymbols)" CompletionText = $_.name ToolTip = $_.tip }) if ($_.alias) { if ($isOption) { foreach ($a in $_.alias) { $completions.Add(@{ name = $pre + $pad + $a ListItemText = "$($a)$($padSymbols)" CompletionText = $a ToolTip = $_.tip }) if ($_.next) { parseCompletions $_.next ($pre + $pad + $a) } } } else { foreach ($a in $_.alias) { # 判断别名出现的位置 $index = (($pre + $pad + $_.name) -split ' ').Length - 1 # 用这个位置创建一个数组，将所有在这个位置出现的别名全部写入这个数组 if (!($alias_map[$index])) { $alias_map[$index] = @() } $alias_map[$index] += @{ name = $_.name alias = $a } $completions.Add(@{ name = $pre + $pad + $a ListItemText = "$($a)$($padSymbols)" CompletionText = $a ToolTip = $_.tip }) } } } if ($symbols) { if ('WriteSpaceTab' -in $symbols) { $WriteSpaceTab.Add($_.name) if ($_.alias) { foreach ($a in $_.alias) { $WriteSpaceTab.Add($a) } } if ('SpaceTab' -in $symbols) { $WriteSpaceTab_and_SpaceTab.Add($_.name) if ($_.alias) { foreach ($a in $_.alias) { $WriteSpaceTab_and_SpaceTab.Add($a) } } } } } if ($_.next) { parseCompletions $_.next ($pre + $pad + $_.name) } if ($_.options) { parseCompletions $_.options ($pre + $pad + $_.name) -isOption } } } parseCompletions $obj.node '' $obj.isOption return $completions }).AddArgument($task).AddArgument($PSCompletions) $runspace.RunspacePool = $runspacePool $runspaces += @{ Runspace = $runspace; Job = $runspace.BeginInvoke() } } # 等待所有任务完成 foreach ($rs in $runspaces) { $result = $rs.Runspace.EndInvoke($rs.Job) $rs.Runspace.Dispose() $completions.AddRange($result) } return $completions } function handleCompletions { param($completions) return $completions } function filterCompletions { param($completions, $root) # 当这个 options 是 WriteSpaceTab 时，将下一个值直接过滤掉 $need_skip = $false $filter_input_arr = [System.Collections.Generic.List[string]]@() foreach ($_ in $input_arr) { if ($_ -like '-*' -or $need_skip) { if ($need_skip) { $need_skip = $false } if ($_ -in $WriteSpaceTab) { if ($input_arr[-1 - !$space_tab] -eq $_ -and $_ -in $WriteSpaceTab_and_SpaceTab) { $need_add = $true } else { $need_skip = $true } } } else { $need_add = $true } if ($need_add -and $_ -notin $common_options) { $filter_input_arr.Add($_) $need_add = $false } } if (!$space_tab) { # 如果是输入 -* 过程中触发的补全，则需要把最后一个 -* 加入其中 if ($input_arr[-1] -like '-*') { $filter_input_arr += $input_arr[-1] } } if ($filter_input_arr.Count) { $match = if ($space_tab) { ' *' }else { '*' } } else { # 如果过滤出来为空，则是只是输入了根命令，没有输入其他内容 $match = '*' } $alias_input_arr = $filter_input_arr # 循环命令的长度，针对每一个位置去 $alias_map 找到对应的数组，然后把数组里的值拿出来比对，如果有匹配的，替换掉原来的命令名 # 用位置的好处是，这样遍历是依赖于命令的长度，而命令长度一般不长 for ($i = 0; $i -lt $filter_input_arr.Count; $i++) { if ($alias_map[$i]) { foreach ($obj in $alias_map[$i]) { if ($obj.alias -eq $filter_input_arr[$i]) { $alias_input_arr[$i] = $obj.name break } } } } $filter_list = [System.Collections.Generic.List[System.Object]]@() $runspacePool = [runspacefactory]::CreateRunspacePool(1, [Environment]::ProcessorCount) $runspacePool.Open() $runspaces = @() foreach ($completions in $PSCompletions.split_array($completions, [Environment]::ProcessorCount, $true)) { $runspace = [powershell]::Create().AddScript({ param($completions, $input_arr, $filter_input_arr, $match, $alias_input_arr, $space_tab) foreach ($completion in $completions) { $matches = [regex]::Matches($completion.name, "(?:`"[^`"]*`"|'[^']*'|\S)+") $cmd = [System.Collections.Generic.List[string]]@() foreach ($m in $matches) { $cmd.Add($m.Value) } <# 判断选项是否使用过了，如果使用过了，$no_used 为 $true 这里的判断对于 --file="abc" 这样的命令无法使用，因为这里和用户输入的 "abc"是连着的 #> $no_used = if ($cmd[-1] -like '-*') { $cmd[-1] -notin $input_arr } else { $true } $isLike = ($completion.name -like ([WildcardPattern]::Escape($filter_input_arr -join ' ') + $match)) -or ($completion.name -like ([WildcardPattern]::Escape($alias_input_arr -join ' ') + $match)) if ($no_used -and $cmd.Count -eq ($filter_input_arr.Count + $space_tab) -and $isLike) { $completion } } }).AddArgument($completions).AddArgument($input_arr).AddArgument($filter_input_arr).AddArgument($match).AddArgument($alias_input_arr).AddArgument($space_tab) $runspace.RunspacePool = $runspacePool $runspaces += @{ Runspace = $runspace; Job = $runspace.BeginInvoke() } } # 等待所有任务完成 foreach ($rs in $runspaces) { $result = $rs.Runspace.EndInvoke($rs.Job) $rs.Runspace.Dispose() if ($result) { $filter_list.AddRange($result) } } # 处理 common_options if ($PSCompletions.data.$root.common_options) { function Get-PadSymbols { $symbols = @('OptionTab') if ($_.next) { $symbols += 'SpaceTab' $symbols += 'WriteSpaceTab' } if ($_.symbol) { $symbols += $PSCompletions.replace_content($_.symbol, ' ') -split ' ' } $symbols = $symbols | Select-Object -Unique $symbols = foreach ($c in $symbols) { $PSCompletions.config."symbol_$($c)" } $symbols = $symbols -join '' if ($symbols) { "$($PSCompletions.config.menu_between_item_and_symbol)$($symbols)" } else { '' } } if ($space_tab) { if ($input_arr[-1] -in $common_options_with_next -and ($input_arr -notlike "*$($input_arr[-1])*$($input_arr[-1])*" -or $input_arr -like "*$($input_arr[-1])")) { $filter_list.Clear() $PSCompletions.data.$root.common_options | Where-Object { $_.name -eq $input_arr[-1] -or $_.alias -contains $input_arr[-1] } | ForEach-Object { foreach ($n in $_.next) { $filter_list.Add(@{ ListItemText = $n.name CompletionText = $n.name ToolTip = $n.tip }) } } } foreach ($_ in $PSCompletions.data.$root.common_options) { if ($_.name -notin $input_arr) { $isExist = $false $temp_list = [System.Collections.Generic.List[System.Object]]@() $temp_list.Add(@{ ListItemText = "$($_.name)$(Get-PadSymbols)" CompletionText = $_.name ToolTip = $_.tip }) foreach ($a in $_.alias) { if ($a -notin $input_arr) { $temp_list.Add(@{ ListItemText = "$($a)$(Get-PadSymbols)" CompletionText = $a ToolTip = $_.tip }) } else { $temp_list.Clear() break } } $filter_list.AddRange($temp_list) } } } else { if ($input_arr[-2] -in $common_options_with_next -and $input_arr -notlike "*$($input_arr[-2])*$($input_arr[-2])*") { $filter_list.Clear() $PSCompletions.data.$root.common_options | Where-Object { $_.name -eq $input_arr[-2] -or $_.alias -contains $input_arr[-2] } | ForEach-Object { foreach ($n in $_.next) { if ($n.name -like "$($input_arr[-1])*") { $filter_list.Add(@{ ListItemText = $n.name CompletionText = $n.name ToolTip = $n.tip }) } } } } foreach ($_ in $PSCompletions.data.$root.common_options) { if ($_.name -notin $input_arr -and $_.name -like "$($input_arr[-1])*") { $filter_list.Add(@{ ListItemText = "$($_.name)$(Get-PadSymbols)" CompletionText = $_.name ToolTip = $_.tip }) } foreach ($a in $_.alias) { if ($a -notin $input_arr -and $a -like "$($input_arr[-1])*") { $filter_list.Add(@{ ListItemText = "$($a)$(Get-PadSymbols)" CompletionText = $a ToolTip = $_.tip }) } } } } } return $filter_list } if ($PSCompletions.config.comp_config.$root.disable_hooks -ne 1) { # 使用 hooks 覆盖默认的函数，实现在一些特殊的需求，比如一些补全的动态加载 $path_hook = "$($PSCompletions.path.completions)/$($root)/hooks.ps1" if (Test-Path $path_hook) { . $path_hook } } $completions = getCompletions $completions = handleCompletions $completions $filter_list = filterCompletions $completions $root # 排序 if ($PSCompletions.config.menu_completions_sort) { $path_order = "$($PSCompletions.path.completions)/$($root)/order.json" if ($PSCompletions.order."$($root)_job") { if ($PSCompletions.order."$($root)_job".State -eq 'Completed') { $PSCompletions.order.$root = Receive-Job $PSCompletions.order."$($root)_job" Remove-Job $PSCompletions.order."$($root)_job" $PSCompletions.order.Remove("$($root)_job") } } else { if (Test-Path $path_order) { $PSCompletions.order.$root = $PSCompletions.ConvertFrom_JsonToHashtable($PSCompletions.get_raw_content($path_order)) } else { $PSCompletions.order.$root = $null } } $order = $PSCompletions.order.$root if ($order) { $filter_list = $filter_list | Sort-Object { $o = $order.$($_.name -join ' ') if ($o) { $o }else { 999999999 } } } $PSCompletions.order_job($completions, (Get-PSReadLineOption).HistorySavePath, $root, $path_order) } $PSCompletions.menu.show_powershell_menu($filter_list) $PSCompletions.current_cmd = $null } } } |