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commands: implement fuzzy completion for commands and options 

Change the option to enable fuzzy completion to be fuzzy-complete, since
it's no longer only used for folders

Signed-off-by: Kt Programs <ktprograms@gmail.com>
Acked-by: Koni Marti <koni.marti@gmail.com>
This commit is contained in:
kt programs 2022-03-06 10:58:07 +08:00 committed by Robin Jarry
parent 55ae3d2cab
commit cc172970a0
12 changed files with 90 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
commands/account/recover.go
View File

@ -6,8 +6,8 @@ import (
"io/ioutil"
"os"
"path/filepath"
"strings"
"git.sr.ht/~rjarry/aerc/commands"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/widgets"
"git.sr.ht/~sircmpwn/getopt"
@ -24,24 +24,43 @@ func (Recover) Aliases() []string {
}
func (Recover) Complete(aerc *widgets.Aerc, args []string) []string {
acct := aerc.SelectedAccount()
if acct == nil {
return make([]string, 0)
}
// file name of temp file is hard-coded in the NewComposer() function
files, err := filepath.Glob(
filepath.Join(os.TempDir(), "aerc-compose-*.eml"),
)
if err != nil {
return []string{}
return make([]string, 0)
}
arg := strings.Join(args, " ")
if arg != "" {
for i, file := range files {
files[i] = strings.Join([]string{arg, file}, " ")
// if nothing is entered yet, return all files
if len(args) == 0 {
return files
}
if args[0] == "-" {
return []string{"-f"}
} else if args[0] == "-f" {
if len(args) == 1 {
for i, file := range files {
files[i] = args[0] + " " + file
}
return files
} else {
// only accepts one file to recover
return commands.FilterList(files, args[1], args[0]+" ", acct.UiConfig().FuzzyComplete)
}
} else {
// only accepts one file to recover
return commands.FilterList(files, args[0], "", acct.UiConfig().FuzzyComplete)
}
return files
}
func (Recover) Execute(aerc *widgets.Aerc, args []string) error {
if len(Recover{}.Complete(aerc, args)) == 0 {
// Complete() expects to be passed only the arguments, not including the command name
if len(Recover{}.Complete(aerc, args[1:])) == 0 {
return errors.New("No messages to recover.")
}

15
commands/account/sort.go
View File

@ -4,6 +4,7 @@ import (
"errors"
"strings"
"git.sr.ht/~rjarry/aerc/commands"
"git.sr.ht/~rjarry/aerc/lib/sort"
"git.sr.ht/~rjarry/aerc/widgets"
)
@ -19,6 +20,11 @@ func (Sort) Aliases() []string {
}
func (Sort) Complete(aerc *widgets.Aerc, args []string) []string {
acct := aerc.SelectedAccount()
if acct == nil {
return make([]string, 0)
}
supportedCriteria := []string{
"arrival",
"cc",
@ -35,7 +41,7 @@ func (Sort) Complete(aerc *widgets.Aerc, args []string) []string {
last := args[len(args)-1]
var completions []string
currentPrefix := strings.Join(args, " ") + " "
// if there is a completed criteria then suggest all again or an option
// if there is a completed criteria or option then suggest all again
for _, criteria := range append(supportedCriteria, "-r") {
if criteria == last {
for _, criteria := range supportedCriteria {
@ -54,11 +60,8 @@ func (Sort) Complete(aerc *widgets.Aerc, args []string) []string {
return []string{currentPrefix + "-r"}
}
// the last item is not complete
for _, criteria := range supportedCriteria {
if strings.HasPrefix(criteria, last) {
completions = append(completions, currentPrefix+criteria)
}
}
completions = commands.FilterList(supportedCriteria, last, currentPrefix,
acct.UiConfig().FuzzyComplete)
return completions
}

57
commands/commands.go
View File

@ -2,7 +2,6 @@ package commands
import (
"errors"
"fmt"
"sort"
"strings"
"unicode"
@ -74,12 +73,14 @@ func (cmds *Commands) GetCompletions(aerc *widgets.Aerc, cmd string) []string {
return nil
}
// nothing entered, list all commands
if len(args) == 0 {
names := cmds.Names()
sort.Strings(names)
return names
}
// complete options
if len(args) > 1 || cmd[len(cmd)-1] == ' ' {
if cmd, ok := cmds.dict()[args[0]]; ok {
var completions []string
@ -101,13 +102,9 @@ func (cmds *Commands) GetCompletions(aerc *widgets.Aerc, cmd string) []string {
return nil
}
// complete available commands
names := cmds.Names()
options := make([]string, 0)
for _, name := range names {
if strings.HasPrefix(name, args[0]) {
options = append(options, name)
}
}
options := FilterList(names, args[0], "", aerc.SelectedAccount().UiConfig().FuzzyComplete)
if len(options) > 0 {
return options
@ -116,35 +113,23 @@ func (cmds *Commands) GetCompletions(aerc *widgets.Aerc, cmd string) []string {
}
func GetFolders(aerc *widgets.Aerc, args []string) []string {
out := make([]string, 0)
acct := aerc.SelectedAccount()
if acct == nil {
return out
return make([]string, 0)
}
if len(args) == 0 {
return acct.Directories().List()
}
for _, dir := range acct.Directories().List() {
if foundInString(dir, args[0], acct.UiConfig().FuzzyFolderComplete) {
out = append(out, dir)
}
}
return out
return FilterList(acct.Directories().List(), args[0], "", acct.UiConfig().FuzzyComplete)
}
// CompletionFromList provides a convenience wrapper for commands to use in the
// Complete function. It simply matches the items provided in valid
func CompletionFromList(valid []string, args []string) []string {
out := make([]string, 0)
func CompletionFromList(aerc *widgets.Aerc, valid []string, args []string) []string {
if len(args) == 0 {
return valid
}
for _, v := range valid {
if hasCaseSmartPrefix(v, args[0]) {
out = append(out, v)
}
}
return out
return FilterList(valid, args[0], "", aerc.SelectedAccount().UiConfig().FuzzyComplete)
}
func GetLabels(aerc *widgets.Aerc, args []string) []string {
@ -172,27 +157,14 @@ func GetLabels(aerc *widgets.Aerc, args []string) []string {
}
trimmed := strings.TrimLeft(last, "+-")
out := make([]string, 0)
for _, label := range acct.Labels() {
if hasCaseSmartPrefix(label, trimmed) {
var prev string
if len(others) > 0 {
prev = others + " "
}
out = append(out, fmt.Sprintf("%v%v%v", prev, prefix, label))
}
var prev string
if len(others) > 0 {
prev = others + " "
}
out := FilterList(acct.Labels(), trimmed, prev+prefix, acct.UiConfig().FuzzyComplete)
return out
}
func foundInString(s, substring string, fuzzy bool) bool {
if fuzzy {
return caseInsensitiveContains(s, substring)
} else {
return hasCaseSmartPrefix(s, substring)
}
}
// hasCaseSmartPrefix checks whether s starts with prefix, using a case
// sensitive match if and only if prefix contains upper case letters.
func hasCaseSmartPrefix(s, prefix string) bool {
@ -202,11 +174,6 @@ func hasCaseSmartPrefix(s, prefix string) bool {
return strings.HasPrefix(strings.ToLower(s), strings.ToLower(prefix))
}
func caseInsensitiveContains(s, substr string) bool {
s, substr = strings.ToUpper(s), strings.ToUpper(substr)
return strings.Contains(s, substr)
}
func hasUpper(s string) bool {
for _, r := range s {
if unicode.IsUpper(r) {

2
commands/compose/header.go
View File

@ -32,7 +32,7 @@ func (Header) Aliases() []string {
}
func (Header) Complete(aerc *widgets.Aerc, args []string) []string {
return commands.CompletionFromList(headers, args)
return commands.CompletionFromList(aerc, headers, args)
}
func (Header) Execute(aerc *widgets.Aerc, args []string) error {

13
commands/ct.go
View File

@ -20,17 +20,16 @@ func (ChangeTab) Aliases() []string {
}
func (ChangeTab) Complete(aerc *widgets.Aerc, args []string) []string {
acct := aerc.SelectedAccount()
if acct == nil {
return make([]string, 0)
}
if len(args) == 0 {
return aerc.TabNames()
}
joinedArgs := strings.Join(args, " ")
out := make([]string, 0)
for _, tab := range aerc.TabNames() {
if strings.HasPrefix(tab, joinedArgs) {
out = append(out, tab)
}
}
return out
return FilterList(aerc.TabNames(), joinedArgs, "", acct.UiConfig().FuzzyComplete)
}
func (ChangeTab) Execute(aerc *widgets.Aerc, args []string) error {

2
commands/msg/archive.go
View File

@ -31,7 +31,7 @@ func (Archive) Aliases() []string {
func (Archive) Complete(aerc *widgets.Aerc, args []string) []string {
valid := []string{"flat", "year", "month"}
return commands.CompletionFromList(valid, args)
return commands.CompletionFromList(aerc, valid, args)
}
func (Archive) Execute(aerc *widgets.Aerc, args []string) error {

20
commands/util.go
View File

@ -10,6 +10,8 @@ import (
"strings"
"time"
"github.com/lithammer/fuzzysearch/fuzzy"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/widgets"
@ -194,3 +196,21 @@ func MsgInfoFromUids(store *lib.MessageStore, uids []uint32) ([]*models.MessageI
}
return infos, nil
}
// FilterList takes a list of valid completions and filters it, either
// by case smart prefix, or by fuzzy matching, prepending "prefix" to each completion
func FilterList(valid []string, search, prefix string, isFuzzy bool) []string {
out := make([]string, 0)
if isFuzzy {
for _, v := range fuzzy.RankFindFold(search, valid) {
out = append(out, prefix+v.Target)
}
} else {
for _, v := range valid {
if hasCaseSmartPrefix(v, search) {
out = append(out, prefix+v)
}
}
}
return out
}

7
config/aerc.conf
View File

@ -124,9 +124,10 @@ stylesets-dirs=
# Default: default
styleset-name=default
# Activates fuzzy search for IMAP folders: the typed string is search in the
# folder tree in any position, not necessarily at the beginning.
#fuzzy-folder-complete=false
# Activates fuzzy search in commands and their arguments: the typed string is
# searched in the command or option in any position, and need not be
# consecutive characters in the command or option.
#fuzzy-complete=false
#[ui:account=foo]
#

4
config/config.go
View File

@ -44,7 +44,7 @@ type UIConfig struct {
EmptyDirlist string `ini:"empty-dirlist"`
MouseEnabled bool `ini:"mouse-enabled"`
ThreadingEnabled bool `ini:"threading-enabled"`
FuzzyFolderComplete bool `ini:"fuzzy-folder-complete"`
FuzzyComplete bool `ini:"fuzzy-complete"`
NewMessageBell bool `ini:"new-message-bell"`
Spinner string `ini:"spinner"`
SpinnerDelimiter string `ini:"spinner-delimiter"`
@ -622,7 +622,7 @@ func LoadConfigFromFile(root *string, logger *log.Logger) (*AercConfig, error) {
EmptyDirlist: "(no folders)",
MouseEnabled: false,
NewMessageBell: true,
FuzzyFolderComplete: false,
FuzzyComplete: false,
Spinner: "[..] , [..] , [..] , [..] , [..], [..] , [..] , [..] ",
SpinnerDelimiter: ",",
DirListFormat: "%n %>r",

10
doc/aerc-config.5.scd
View File

@ -236,11 +236,11 @@ These options are configured in the *[ui]* section of aerc.conf.
Have a look at *aerc-stylesets*(7) as to how a styleset looks like.
*fuzzy-folder-complete*
When finding a folder with cf or move, for example, the popover will
how not only the folders /starting/ with the string input by the user,
but it will show coincidences of folders /containing/ the string in any
position of their name. This is case-independent.
*fuzzy-complete*
When typing a command or option, the popover will now show not only the
items /starting/ with the string input by the user, but it will also show
instances of items /containing/ the string, starting at any position and
need not be consecutive characters in the command or option.
*threading-enabled*
Enable a threaded viewing of messages, works with IMAP (when there's

1
go.mod
View File

@ -23,6 +23,7 @@ require (
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
github.com/imdario/mergo v0.3.12
github.com/kyoh86/xdg v1.2.0
github.com/lithammer/fuzzysearch v1.1.3
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
github.com/mattn/go-isatty v0.0.14
github.com/mattn/go-pointer v0.0.1 // indirect

2
go.sum
View File

@ -168,6 +168,8 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kyoh86/xdg v1.2.0 h1:CERuT/ShdTDj+A2UaX3hQ3mOV369+Sj+wyn2nIRIIkI=
github.com/kyoh86/xdg v1.2.0/go.mod h1:/mg8zwu1+qe76oTFUBnyS7rJzk7LLC0VGEzJyJ19DHs=
github.com/lithammer/fuzzysearch v1.1.3 h1:+t5SevHLfi3IHcTx7LT3S+od4OcUmjzxD1xmnvtgG38=
github.com/lithammer/fuzzysearch v1.1.3/go.mod h1:1R1LRNk7yKid1BaQkmuLQaHruxcC4HmAH30Dh61Ih1Q=
github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=