github.com/powerman/golang-tools@v0.1.11-0.20220410185822-5ad214d8d803/internal/lsp/cmd/workspace_symbol.go (about)

     1  // Copyright 2020 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package cmd
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  
    12  	"github.com/powerman/golang-tools/internal/lsp/protocol"
    13  	"github.com/powerman/golang-tools/internal/lsp/source"
    14  	"github.com/powerman/golang-tools/internal/tool"
    15  )
    16  
    17  // workspaceSymbol implements the workspace_symbol verb for gopls.
    18  type workspaceSymbol struct {
    19  	Matcher string `flag:"matcher" help:"specifies the type of matcher: fuzzy, caseSensitive, or caseInsensitive.\nThe default is caseInsensitive."`
    20  
    21  	app *Application
    22  }
    23  
    24  func (r *workspaceSymbol) Name() string      { return "workspace_symbol" }
    25  func (r *workspaceSymbol) Parent() string    { return r.app.Name() }
    26  func (r *workspaceSymbol) Usage() string     { return "[workspace_symbol-flags] <query>" }
    27  func (r *workspaceSymbol) ShortHelp() string { return "search symbols in workspace" }
    28  func (r *workspaceSymbol) DetailedHelp(f *flag.FlagSet) {
    29  	fmt.Fprint(f.Output(), `
    30  Example:
    31  
    32  	$ gopls workspace_symbol -matcher fuzzy 'wsymbols'
    33  
    34  workspace_symbol-flags:
    35  `)
    36  	printFlagDefaults(f)
    37  }
    38  
    39  func (r *workspaceSymbol) Run(ctx context.Context, args ...string) error {
    40  	if len(args) != 1 {
    41  		return tool.CommandLineErrorf("workspace_symbol expects 1 argument")
    42  	}
    43  
    44  	opts := r.app.options
    45  	r.app.options = func(o *source.Options) {
    46  		if opts != nil {
    47  			opts(o)
    48  		}
    49  		switch r.Matcher {
    50  		case "fuzzy":
    51  			o.SymbolMatcher = source.SymbolFuzzy
    52  		case "caseSensitive":
    53  			o.SymbolMatcher = source.SymbolCaseSensitive
    54  		case "fastfuzzy":
    55  			o.SymbolMatcher = source.SymbolFastFuzzy
    56  		default:
    57  			o.SymbolMatcher = source.SymbolCaseInsensitive
    58  		}
    59  	}
    60  
    61  	conn, err := r.app.connect(ctx)
    62  	if err != nil {
    63  		return err
    64  	}
    65  	defer conn.terminate(ctx)
    66  
    67  	p := protocol.WorkspaceSymbolParams{
    68  		Query: args[0],
    69  	}
    70  
    71  	symbols, err := conn.Symbol(ctx, &p)
    72  	if err != nil {
    73  		return err
    74  	}
    75  	for _, s := range symbols {
    76  		f := conn.AddFile(ctx, fileURI(s.Location.URI))
    77  		span, err := f.mapper.Span(s.Location)
    78  		if err != nil {
    79  			return err
    80  		}
    81  		fmt.Printf("%s %s %s\n", span, s.Name, s.Kind)
    82  	}
    83  
    84  	return nil
    85  }