bug fix and translated login error msg

server/pkg/nginx/format_code.go

@@ -0,0 +1,49 @@
+package nginx
+
+import (
+    "bufio"
+    "github.com/emirpasic/gods/stacks/linkedliststack"
+    "strings"
+)
+
+func fmtCode(content string) (fmtContent string) {
+    fmtContent = fmtCodeWithIndent(content, 0)
+    return
+}
+
+func fmtCodeWithIndent(content string, indent int) (fmtContent string) {
+    /*
+       Format content
+       1. TrimSpace for each line
+       2. use stack to count how many \t should add
+    */
+    stack := linkedliststack.New()
+
+    scanner := bufio.NewScanner(strings.NewReader(content))
+
+    for scanner.Scan() {
+        text := scanner.Text()
+        text = strings.TrimSpace(text)
+
+        before := stack.Size()
+
+        for _, char := range text {
+            matchParentheses(stack, char)
+        }
+
+        after := stack.Size()
+
+        fmtContent += strings.Repeat("\t", indent)
+
+        if before == after {
+            fmtContent += strings.Repeat("\t", stack.Size()) + text + "\n"
+        } else {
+            fmtContent += text + "\n"
+        }
+
+    }
+
+    fmtContent = strings.Trim(fmtContent, "\n")
+
+    return
+}