1 files changed, 130 insertions, 0 deletions
diff --git a/sd_login/util.go b/sd_login/util.go
new file mode 100644
index 0000000..45df0e0
--- /dev/null
+++ b/sd_login/util.go
@@ -0,0 +1,130 @@
+// Copyright (C) 2016 Luke Shumaker <lukeshu@sbcglobal.net>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package sd_login
+
+import (
+	"io/ioutil"
+	"os"
+	"path"
+	"strings"
+)
+
+const (
+	whitespace        = " \t\n\r"
+	newline           = "\n\r"
+	digits            = "0123456789"
+	lowercase_letters = "abcdefghijklmnopqrstuvwxyz"
+	uppercase_letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	letters           = lowercase_letters + uppercase_letters
+)
+
+func trimOneSuffix(s string, suffixes ...string) string {
+	for _, suffix := range suffixes {
+		if strings.HasSuffix(s, suffix) {
+			return strings.TrimSuffix(s, suffix)
+		}
+	}
+	return s
+}
+
+func trimPrefixSuffix(s, prefix, suffix string) (string, bool) {
+	if strings.HasPrefix(s, prefix) && strings.HasSuffix(s, suffix) {
+		s = strings.TrimPrefix(s, prefix)
+		s = strings.TrimSuffix(s, suffix)
+		return s, true
+	}
+	return "", false
+}
+
+func split2(s string, b byte) (string, string) {
+	n := strings.IndexByte(s, b)
+	if n < 0 {
+		n = len(s)
+	}
+	return s[:n], s[n:]
+}
+
+func path_startswith(apath string, aprefix string) (string, bool) {
+	if path.IsAbs(apath) != path.IsAbs(aprefix) {
+		return "", false
+	}
+	for {
+		apath = strings.TrimLeft(apath, "/")
+		aprefix = strings.TrimLeft(aprefix, "/")
+
+		if aprefix == "" {
+			return apath, true
+		}
+		if apath == "" {
+			return "", false
+		}
+
+		pathPart, pathRest := split2(apath, '/')
+		prefixPart, prefixRest := split2(aprefix, '/')
+
+		if pathPart != prefixPart {
+			return "", false
+		}
+
+		apath = pathRest
+		aprefix = prefixRest
+	}
+}
+
+func get_files_in_directory(apath string) ([]string, error) {
+	files, err := ioutil.ReadDir(apath)
+	if err != nil {
+		return nil, err
+	}
+	var ret []string
+	for _, file := range files {
+		if file.Mode()&os.ModeType&^os.ModeSymlink == 0 {
+			ret = append(ret, file.Name())
+		}
+	}
+	return ret, nil
+}
+
+func parse_env_file(filename string) (map[string]string, error)
+
+/*
+        enum {
+                PRE_KEY,
+                KEY,
+                PRE_VALUE,
+                VALUE,
+                VALUE_ESCAPE,
+                SINGLE_QUOTE_VALUE,
+                SINGLE_QUOTE_VALUE_ESCAPE,
+                DOUBLE_QUOTE_VALUE,
+                DOUBLE_QUOTE_VALUE_ESCAPE,
+                COMMENT,
+                COMMENT_ESCAPE
+        } state = PRE_KEY;
+
+func parse_env_file(filename string) (map[string]string, error) {
+	contents, err := ioutil.ReadFile(filename)
+
+	for contents != "" {
+		switch state {
+		case PRE_KEY:
+			if strings.ContainsRune("#;", contents[0]) {
+				sate = COMMENT
+			} else if strings.ContainsRune(whitespace, contents[0]) {
+				state = KEY
+				last_key_whitespace
+	}
+}
+*/