feat: 增加nginx config 格式化工具

backend/utils/nginx/components/block.go

@@ -0,0 +1,50 @@
+package components
+
+type Block struct {
+	Comment    string
+	Directives []IDirective
+}
+
+func (b *Block) GetDirectives() []IDirective {
+	return b.Directives
+}
+
+func (b *Block) GetComment() string {
+	return b.Comment
+}
+
+func (b *Block) FindDirectives(directiveName string) []IDirective {
+	directives := make([]IDirective, 0)
+	for _, directive := range b.GetDirectives() {
+		if directive.GetName() == directiveName {
+			directives = append(directives, directive)
+		}
+		if directive.GetBlock() != nil {
+			directives = append(directives, directive.GetBlock().FindDirectives(directiveName)...)
+		}
+	}
+
+	return directives
+}
+
+func (b *Block) UpdateDirectives(directiveName string, directive Directive) {
+	directives := make([]IDirective, len(b.GetDirectives()))
+	index := -1
+	for i, dir := range b.GetDirectives() {
+		if dir.GetName() == directiveName {
+			index = i
+			break
+		}
+	}
+	if index > -1 {
+		directives[index] = &directive
+	} else {
+		directives = append(directives, &directive)
+	}
+	b.Directives = directives
+}
+
+func (b *Block) AddDirectives(directive Directive) {
+	directives := append(b.GetDirectives(), &directive)
+	b.Directives = directives
+}