feat: 增加nginx config 格式化工具

backend/utils/nginx/components/http.go

@@ -0,0 +1,93 @@
+package components
+
+import (
+	"errors"
+)
+
+type Http struct {
+	Comment    string
+	Servers    []*Server
+	Directives []IDirective
+}
+
+func (h *Http) GetComment() string {
+	return h.Comment
+}
+
+func NewHttp(directive IDirective) (*Http, error) {
+	if block := directive.GetBlock(); block != nil {
+		http := &Http{
+			Servers:    []*Server{},
+			Directives: []IDirective{},
+			Comment:    block.GetComment(),
+		}
+
+		for _, directive := range block.GetDirectives() {
+			if server, ok := directive.(*Server); ok {
+				http.Servers = append(http.Servers, server)
+				continue
+			}
+			http.Directives = append(http.Directives, directive)
+		}
+
+		return http, nil
+	}
+	return nil, errors.New("http directive must have a block")
+}
+
+func (h *Http) GetName() string {
+	return "http"
+}
+
+func (h *Http) GetParameters() []string {
+	return []string{}
+}
+
+func (h *Http) GetDirectives() []IDirective {
+	directives := make([]IDirective, 0)
+	directives = append(directives, h.Directives...)
+	for _, directive := range h.Servers {
+		directives = append(directives, directive)
+	}
+	return directives
+}
+
+func (h *Http) FindDirectives(directiveName string) []IDirective {
+	directives := make([]IDirective, 0)
+	for _, directive := range h.GetDirectives() {
+		if directive.GetName() == directiveName {
+			directives = append(directives, directive)
+		}
+		if directive.GetBlock() != nil {
+			directives = append(directives, directive.GetBlock().FindDirectives(directiveName)...)
+		}
+	}
+
+	return directives
+}
+
+func (h *Http) UpdateDirectives(directiveName string, directive Directive) {
+	directives := make([]IDirective, len(h.GetDirectives()))
+	index := -1
+	for i, dir := range h.GetDirectives() {
+		if dir.GetName() == directiveName {
+			index = i
+			break
+		}
+	}
+	if index > -1 {
+		directives[index] = &directive
+	} else {
+		directives = append(directives, &directive)
+	}
+	h.Directives = directives
+}
+
+func (h *Http) AddDirectives(directive Directive) {
+	directives := append(h.GetDirectives(), &directive)
+	h.Directives = directives
+}
+
+func (h *Http) GetBlock() IBlock {
+	return h
+}