Added ToDelimited

others.go

@@ -0,0 +1,27 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Ma_124, <github.com/Ma124>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, Subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or Substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package strcase
+
+

snake.go

@@ -2,6 +2,7 @@
  * The MIT License (MIT)
  *
  * Copyright (c) 2015 Ian Coleman
+ * Copyright (c) 2018 Ma_124, <github.com/Ma124>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -31,6 +32,10 @@ import (
 
 // Converts a string to snake_case
 func ToSnake(s string) string {
+	return ToDelimited(s, '_')
+}
+
+func ToDelimited(s string, del uint8) string {
 	s = addWordBoundariesToNumbers(s)
 	s = strings.Trim(s, " ")
 	n := ""
@@ -44,16 +49,16 @@ func ToSnake(s string) string {
 			}
 		}
 
-		if i > 0 && n[len(n)-1] != '_' && nextCaseIsChanged {
+		if i > 0 && n[len(n)-1] != del && nextCaseIsChanged {
 			// add underscore if next letter case type is changed
 			if v >= 'A' && v <= 'Z' {
-				n += "_" + string(v)
+				n += string(del) + string(v)
 			} else if v >= 'a' && v <= 'z' {
-				n += string(v) + "_"
+				n += string(v) + string(del)
 			}
-		} else if v == ' ' {
+		} else if v == ' ' || v == '_' || v == '-' {
-			// replace spaces with underscores
+			// replace spaces/underscores with delimiters
-			n += "_"
+			n += string(del)
 		} else {
 			n = n + string(v)
 		}

snake_test.go

@@ -2,6 +2,7 @@
  * The MIT License (MIT)
  *
  * Copyright (c) 2015 Ian Coleman
+ * Copyright (c) 2018 Ma_124, <github.com/Ma124>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -53,7 +54,38 @@ func TestToSnake(t *testing.T) {
 		out := i[1]
 		result := ToSnake(in)
 		if result != out {
-			t.Error("'" + result + "' != '" + out + "'")
+			t.Error("'" + in + "'('" + result + "' != '" + out + "')")
+		}
+	}
+}
+
+func TestToDelimited(t *testing.T) {
+	cases := [][]string{
+		[]string{"testCase", "test@case"},
+		[]string{"TestCase", "test@case"},
+		[]string{"Test Case", "test@case"},
+		[]string{" Test Case", "test@case"},
+		[]string{"Test Case ", "test@case"},
+		[]string{" Test Case ", "test@case"},
+		[]string{"test", "test"},
+		[]string{"test_case", "test@case"},
+		[]string{"Test", "test"},
+		[]string{"", ""},
+		[]string{"ManyManyWords", "many@many@words"},
+		[]string{"manyManyWords", "many@many@words"},
+		[]string{"AnyKind of_string", "any@kind@of@string"},
+		[]string{"numbers2and55with000", "numbers@2@and@55@with@000"},
+		[]string{"JSONData", "json@data"},
+		[]string{"userID", "user@id"},
+		[]string{"AAAbbb", "aa@abbb"},
+		[]string{"test-case", "test@case"},
+	}
+	for _, i := range cases {
+		in := i[0]
+		out := i[1]
+		result := ToDelimited(in, '@')
+		if result != out {
+			t.Error("'" + in + "' ('" + result + "' != '" + out + "')")
 		}
 	}
 }