Implement parsing of map

kitty/conf/generate.py

@@ -478,10 +478,49 @@ def go_type_data(parser_func: ParserFuncType, ctype: str, is_multiple: bool = Fa
     return {int: 'int64', str: 'string', float: 'float64'}[rettype], f'{p}(val)'
 
 
+mod_map = {
+		"shift":     "shift",
+		"⇧":         "shift",
+		"alt":       "alt",
+		"option":    "alt",
+		"opt":       "alt",
+		"⌥":         "alt",
+		"super":     "super",
+		"command":   "super",
+		"cmd":       "super",
+		"⌘":         "super",
+		"control":   "ctrl",
+		"ctrl":      "ctrl",
+		"⌃":         "ctrl",
+		"hyper":     "hyper",
+		"meta":      "meta",
+		"num_lock":  "num_lock",
+		"caps_lock": "caps_lock",
+}
+
+def normalize_shortcut(spec: str) -> str:
+    if spec.endswith('+'):
+        spec = spec[:-1] + 'plus'
+    parts = spec.lower().split('+')
+    key = parts[-1]
+    if len(parts) == 1:
+        return key
+    mods = parts[:-1]
+    return '+'.join(mod_map.get(x, x) for x in mods) + '+' + key
+
+
+def normalize_shortcuts(spec: str) -> Iterator[str]:
+    spec = spec.replace('++', '+plus')
+    spec = re.sub(r'([^+])>', '\\1\0', spec)
+    for x in spec.split('\0'):
+        yield normalize_shortcut(x)
+
+
 def gen_go_code(defn: Definition) -> str:
     lines = ['import "fmt"', 'import "strconv"', 'import "kitty/tools/config"', 'import "kitty/tools/utils/style"',
              'var _ = fmt.Println', 'var _ = config.StringToBool', 'var _ = strconv.Atoi', 'var _ = style.ParseColor']
     a = lines.append
+    keyboard_shortcuts = tuple(defn.iter_all_maps())
     choices = {}
     go_types = {}
     go_parsers = {}
@@ -509,6 +548,8 @@ def gen_go_code(defn: Definition) -> str:
             a(f'{name} []{gotype}')
         else:
             a(f'{name} {gotype}')
+    if keyboard_shortcuts:
+        a('KeyboardShortcuts []*config.KeyAction')
     a('}')
 
     def cval(x: str) -> str:
@@ -540,6 +581,16 @@ def cval(x: str) -> str:
         else:
             dval = repr(d)
         a(f'{name}: {dval},')
+    if keyboard_shortcuts:
+        a('KeyboardShortcuts: []*config.KeyAction{')
+        for sc in keyboard_shortcuts:
+            aname, aargs = map(serialize_as_go_string, sc.action_def.partition(' ')[::2])
+            a('{'f'Name: "{aname}", Args: "{aargs}", Normalized_keys: []string''{')
+            ns = normalize_shortcuts(sc.key_text)
+            a(', '.join(f'"{serialize_as_go_string(x)}"' for x in ns) + ',')
+            a('}''},')
+        a('},')
+
     a('}''}')
 
     for oname, choice_vals in choices.items():
@@ -582,6 +633,11 @@ def cval(x: str) -> str:
             a(f'c.{oname} = append(c.{oname}, temp_val...)')
         else:
             a(f'c.{oname} = temp_val')
+    if keyboard_shortcuts:
+        a('case "map":')
+        a('tempsc, err := config.ParseMap(val)')
+        a('if err != nil { return fmt.Errorf("Failed to parse map = %#v with error: %w", val, err) }')
+        a('c.KeyboardShortcuts = append(c.KeyboardShortcuts, tempsc)')
     a('}')
     a('return}')
     return '\n'.join(lines)

tools/config/api.go

@@ -9,10 +9,11 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"kitty/tools/utils"
 	"os"
 	"path/filepath"
 	"strings"
+
+	"kitty/tools/utils"
 )
 
 var _ = fmt.Print

tools/config/utils.go

@@ -5,6 +5,7 @@ package config
 import (
 	"fmt"
 	"kitty/tools/utils"
+	"regexp"
 	"strconv"
 	"strings"
 )
@@ -183,3 +184,72 @@ func StringLiteral(val string) (string, error) {
 	}
 	return ans.String(), nil
 }
+
+var ModMap = (&utils.Once[map[string]string]{Run: func() map[string]string {
+	return map[string]string{
+		"shift":     "shift",
+		"⇧":         "shift",
+		"alt":       "alt",
+		"option":    "alt",
+		"opt":       "alt",
+		"⌥":         "alt",
+		"super":     "super",
+		"command":   "super",
+		"cmd":       "super",
+		"⌘":         "super",
+		"control":   "ctrl",
+		"ctrl":      "ctrl",
+		"⌃":         "ctrl",
+		"hyper":     "hyper",
+		"meta":      "meta",
+		"num_lock":  "num_lock",
+		"caps_lock": "caps_lock",
+	}
+}}).Get
+
+var ShortcutSpecPat = (&utils.Once[*regexp.Regexp]{Run: func() *regexp.Regexp {
+	return regexp.MustCompile(`([^+])>`)
+}}).Get
+
+func NormalizeShortcut(spec string) string {
+	parts := strings.Split(strings.ToLower(spec), "+")
+	key := parts[len(parts)-1]
+	if len(parts) == 1 {
+		return key
+	}
+	mods := parts[:len(parts)-1]
+	mmap := ModMap()
+	mods = utils.Map(func(x string) string {
+		ans := mmap[x]
+		if ans == "" {
+			ans = x
+		}
+		return ans
+	}, mods)
+	utils.Sort(mods, func(a, b string) bool { return a < b })
+	return strings.Join(mods, "+") + "+" + key
+}
+
+func NormalizeShortcuts(spec string) []string {
+	if strings.HasSuffix(spec, "+") {
+		spec = spec[:len(spec)-1] + "plus"
+	}
+	spec = strings.ReplaceAll(spec, "++", "+plus")
+	spec = ShortcutSpecPat().ReplaceAllString(spec, "$1\x00")
+	return utils.Map(NormalizeShortcut, strings.Split(spec, "\x00"))
+}
+
+type KeyAction struct {
+	Normalized_keys []string
+	Name            string
+	Args            string
+}
+
+func ParseMap(val string) (*KeyAction, error) {
+	spec, action, found := strings.Cut(val, " ")
+	if !found {
+		return nil, fmt.Errorf("No action specified for shortcut %s", val)
+	}
+	action_name, action_args, _ := strings.Cut(action, " ")
+	return &KeyAction{Name: action_name, Args: action_args, Normalized_keys: NormalizeShortcuts(spec)}, nil
+}

tools/config/utils_test.go

@@ -4,7 +4,10 @@ package config
 
 import (
 	"fmt"
+	"strings"
 	"testing"
+
+	"github.com/google/go-cmp/cmp"
 )
 
 var _ = fmt.Print
@@ -24,3 +27,18 @@ func TestStringLiteralParsing(t *testing.T) {
 		}
 	}
 }
+
+func TestNormalizeShortcuts(t *testing.T) {
+	for q, expected_ := range map[string]string{
+		`a`:           `a`,
+		`+`:           `plus`,
+		`cmd+b>opt+>`: `super+b alt+>`,
+		`cmd+>>opt+>`: `super+> alt+>`,
+	} {
+		expected := strings.Split(expected_, " ")
+		actual := NormalizeShortcuts(q)
+		if diff := cmp.Diff(expected, actual); diff != "" {
+			t.Fatalf("failed with input: %#v\n%s", q, diff)
+		}
+	}
+}