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|
package terminal
import (
"errors"
"fmt"
"reflect"
"strings"
"text/tabwriter"
"github.com/go-delve/delve/pkg/config"
)
func configureCmd(t *Term, ctx callContext, args string) error {
t.substitutePathRulesCache = nil
switch args {
case "-list":
return configureList(t)
case "-save":
return config.SaveConfig(t.conf)
case "":
return errors.New("wrong number of arguments to \"config\"")
default:
err := configureSet(t, args)
if err != nil {
return err
}
if t.client != nil { // only happens in tests
lcfg := t.loadConfig()
t.client.SetReturnValuesLoadConfig(&lcfg)
t.updateConfig()
}
return nil
}
}
func configureList(t *Term) error {
w := new(tabwriter.Writer)
w.Init(t.stdout, 0, 8, 1, ' ', 0)
config.ConfigureList(w, t.conf, "yaml")
return w.Flush()
}
func configureSet(t *Term, args string) error {
v := config.Split2PartsBySpace(args)
cfgname := v[0]
var rest string
if len(v) == 2 {
rest = v[1]
}
switch cfgname {
case "alias":
return configureSetAlias(t, rest)
case "debug-info-directories":
return configureSetDebugInfoDirectories(t, rest)
}
field := config.ConfigureFindFieldByName(t.conf, cfgname, "yaml")
if !field.CanAddr() {
return fmt.Errorf("%q is not a configuration parameter", cfgname)
}
if field.Kind() == reflect.Slice && field.Type().Elem().Name() == "SubstitutePathRule" {
return configureSetSubstitutePath(t, rest)
}
return config.ConfigureSetSimple(rest, cfgname, field)
}
func configureSetSubstitutePath(t *Term, rest string) error {
if strings.TrimSpace(rest) == "-clear" {
t.conf.SubstitutePath = t.conf.SubstitutePath[:0]
return nil
}
if strings.TrimSpace(rest) == "-guess" {
rules, err := t.client.GuessSubstitutePath()
if err != nil {
return err
}
t.conf.SubstitutePath = t.conf.SubstitutePath[:0]
for _, rule := range rules {
t.conf.SubstitutePath = append(t.conf.SubstitutePath, config.SubstitutePathRule{From: rule[0], To: rule[1]})
}
rest = "" // print the result
}
argv := config.SplitQuotedFields(rest, '"')
if len(argv) == 2 && argv[0] == "-clear" {
argv = argv[1:]
}
switch len(argv) {
case 0:
w := new(tabwriter.Writer)
w.Init(t.stdout, 0, 8, 1, ' ', 0)
for i := range t.conf.SubstitutePath {
fmt.Fprintf(w, "%q\t→\t%q\n", t.conf.SubstitutePath[i].From, t.conf.SubstitutePath[i].To)
}
w.Flush()
case 1: // delete substitute-path rule
for i := range t.conf.SubstitutePath {
if t.conf.SubstitutePath[i].From == argv[0] {
copy(t.conf.SubstitutePath[i:], t.conf.SubstitutePath[i+1:])
t.conf.SubstitutePath = t.conf.SubstitutePath[:len(t.conf.SubstitutePath)-1]
return nil
}
}
return fmt.Errorf("could not find rule for %q", argv[0])
case 2: // add substitute-path rule
for i := range t.conf.SubstitutePath {
if t.conf.SubstitutePath[i].From == argv[0] {
t.conf.SubstitutePath[i].To = argv[1]
return nil
}
}
t.conf.SubstitutePath = append(t.conf.SubstitutePath, config.SubstitutePathRule{From: argv[0], To: argv[1]})
default:
return errors.New("too many arguments to \"config substitute-path\"")
}
return nil
}
func configureSetAlias(t *Term, rest string) error {
argv := config.SplitQuotedFields(rest, '"')
switch len(argv) {
case 1: // delete alias rule
for k := range t.conf.Aliases {
v := t.conf.Aliases[k]
for i := range v {
if v[i] == argv[0] {
copy(v[i:], v[i+1:])
t.conf.Aliases[k] = v[:len(v)-1]
}
}
}
case 2: // add alias rule
alias, cmd := argv[1], argv[0]
if t.conf.Aliases == nil {
t.conf.Aliases = make(map[string][]string)
}
t.conf.Aliases[cmd] = append(t.conf.Aliases[cmd], alias)
}
t.cmds.Merge(t.conf.Aliases)
return nil
}
func configureSetDebugInfoDirectories(t *Term, rest string) error {
v := config.Split2PartsBySpace(rest)
if t.client != nil {
did, err := t.client.GetDebugInfoDirectories()
if err == nil {
t.conf.DebugInfoDirectories = did
}
}
switch v[0] {
case "-clear":
t.conf.DebugInfoDirectories = t.conf.DebugInfoDirectories[:0]
case "-add":
if len(v) < 2 {
return errors.New("not enough arguments to \"config debug-info-directories\"")
}
t.conf.DebugInfoDirectories = append(t.conf.DebugInfoDirectories, v[1])
case "-rm":
if len(v) < 2 {
return errors.New("not enough arguments to \"config debug-info-directories\"")
}
found := false
for i := range t.conf.DebugInfoDirectories {
if t.conf.DebugInfoDirectories[i] == v[1] {
found = true
t.conf.DebugInfoDirectories = append(t.conf.DebugInfoDirectories[:i], t.conf.DebugInfoDirectories[i+1:]...)
break
}
}
if !found {
return fmt.Errorf("could not find %q in debug-info-directories", v[1])
}
default:
return errors.New("wrong argument to \"config debug-info-directories\"")
}
if t.client != nil {
t.client.SetDebugInfoDirectories(t.conf.DebugInfoDirectories)
}
return nil
}
|
