restructure directories

core/utility/beautify.go

@@ -0,0 +1,66 @@
+// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
+//
+// This software (Documize Community Edition) is licensed under 
+// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
+//
+// You can operate outside the AGPL restrictions by purchasing
+// Documize Enterprise Edition and obtaining a commercial license
+// by contacting <sales@documize.com>. 
+//
+// https://documize.com
+
+package utility
+
+import (
+	"path/filepath"
+	"strings"
+	"unicode"
+)
+
+// BeautifyFilename takes a filename and attempts to turn it into a readable form,
+// as TitleCase natural language, suitable for the top level of a Document.
+func BeautifyFilename(fn string) string {
+	_, file := filepath.Split(fn)
+	splits := strings.Split(file, ".")
+	r := []rune(strings.Join(splits[:len(splits)-1], "."))
+
+	// make any non-letter/digit characters space
+	for i := range r {
+		if !(unicode.IsLetter(r[i]) || unicode.IsDigit(r[i]) || r[i] == '.') {
+			r[i] = ' '
+		}
+	}
+
+	// insert spaces in front of any Upper/Lowwer 2-letter combinations
+addSpaces:
+	for i := range r {
+		if i > 1 { // do not insert a space at the start of the file name
+			if unicode.IsLower(r[i]) && unicode.IsUpper(r[i-1]) && r[i-2] != ' ' {
+				n := make([]rune, len(r)+1)
+				for j := 0; j < i-1; j++ {
+					n[j] = r[j]
+				}
+				n[i-1] = ' '
+				for j := i - 1; j < len(r); j++ {
+					n[j+1] = r[j]
+				}
+				r = n
+				goto addSpaces
+			}
+		}
+	}
+
+	// make the first letter of each word upper case
+	for i := range r {
+		switch i {
+		case 0:
+			r[i] = unicode.ToUpper(r[i])
+		case 1: // the zero element should never be space
+		default:
+			if r[i-1] == ' ' {
+				r[i] = unicode.ToUpper(r[i])
+			}
+		}
+	}
+	return string(r)
+}