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|
package config
import (
"errors"
"fmt"
"log"
"os"
"path"
"strings"
"unicode"
"github.com/go-ini/ini"
"github.com/kyoh86/xdg"
"github.com/mitchellh/go-homedir"
)
type AercConfig struct {
Bindings BindingConfig
ContextualBinds []BindingConfigContext
Compose ComposeConfig
Accounts []AccountConfig `ini:"-"`
Filters []FilterConfig `ini:"-"`
Viewer ViewerConfig `ini:"-"`
Statusline StatuslineConfig `ini:"-"`
Triggers TriggersConfig `ini:"-"`
Ui UIConfig
ContextualUis []UIConfigContext
General GeneralConfig
Templates TemplateConfig
Openers map[string][]string
}
// Input: TimestampFormat
// Output: timestamp-format
func mapName(raw string) string {
newstr := make([]rune, 0, len(raw))
for i, chr := range raw {
if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
if i > 0 {
newstr = append(newstr, '-')
}
}
newstr = append(newstr, unicode.ToLower(chr))
}
return string(newstr)
}
// Set at build time
var shareDir string
func buildDefaultDirs() []string {
var defaultDirs []string
prefixes := []string{
xdg.ConfigHome(),
xdg.DataHome(),
}
// Add XDG_CONFIG_HOME and XDG_DATA_HOME
for _, v := range prefixes {
if v != "" {
v, err := homedir.Expand(v)
if err != nil {
log.Println(err)
}
defaultDirs = append(defaultDirs, path.Join(v, "aerc"))
}
}
// Add custom buildtime shareDir
if shareDir != "" && shareDir != "/usr/local/share/aerc" {
shareDir, err := homedir.Expand(shareDir)
if err == nil {
defaultDirs = append(defaultDirs, shareDir)
}
}
// Add fixed fallback locations
defaultDirs = append(defaultDirs, "/usr/local/share/aerc")
defaultDirs = append(defaultDirs, "/usr/share/aerc")
return defaultDirs
}
var SearchDirs = buildDefaultDirs()
func installTemplate(root, name string) error {
var err error
if _, err = os.Stat(root); os.IsNotExist(err) {
err = os.MkdirAll(root, 0o755)
if err != nil {
return err
}
}
var data []byte
for _, dir := range SearchDirs {
data, err = os.ReadFile(path.Join(dir, name))
if err == nil {
break
}
}
if err != nil {
return err
}
err = os.WriteFile(path.Join(root, name), data, 0o644)
if err != nil {
return err
}
return nil
}
func LoadConfigFromFile(root *string, accts []string) (*AercConfig, error) {
if root == nil {
_root := path.Join(xdg.ConfigHome(), "aerc")
root = &_root
}
filename := path.Join(*root, "aerc.conf")
// if it doesn't exist copy over the template, then load
if _, err := os.Stat(filename); errors.Is(err, os.ErrNotExist) {
fmt.Printf("%s not found, installing the system default", filename)
if err := installTemplate(*root, "aerc.conf"); err != nil {
return nil, err
}
}
file, err := ini.LoadSources(ini.LoadOptions{
KeyValueDelimiters: "=",
}, filename)
if err != nil {
return nil, err
}
file.NameMapper = mapName
config := &AercConfig{
Bindings: defaultBindsConfig(),
ContextualBinds: []BindingConfigContext{},
General: defaultGeneralConfig(),
Ui: defaultUiConfig(),
ContextualUis: []UIConfigContext{},
Viewer: defaultViewerConfig(),
Statusline: defaultStatuslineConfig(),
Compose: defaultComposeConfig(),
Templates: defaultTemplatesConfig(),
Openers: make(map[string][]string),
}
if err := config.parseGeneral(file); err != nil {
return nil, err
}
if err := config.parseFilters(file); err != nil {
return nil, err
}
if err := config.parseCompose(file); err != nil {
return nil, err
}
if err := config.parseViewer(file); err != nil {
return nil, err
}
if err := config.parseStatusline(file); err != nil {
return nil, err
}
if err := config.parseOpeners(file); err != nil {
return nil, err
}
if err := config.parseTriggers(file); err != nil {
return nil, err
}
if err := config.parseUi(file); err != nil {
return nil, err
}
if err := config.parseTemplates(file); err != nil {
return nil, err
}
if err := config.parseAccounts(*root, accts); err != nil {
return nil, err
}
if err := config.parseBinds(*root); err != nil {
return nil, err
}
return config, nil
}
func parseLayout(layout string) [][]string {
rows := strings.Split(layout, ",")
l := make([][]string, len(rows))
for i, r := range rows {
l[i] = strings.Split(r, "|")
}
return l
}
func contains(list []string, v string) bool {
for _, item := range list {
if item == v {
return true
}
}
return false
}
|
