FEATURE/MAJOR: simple parsers: add them to go generate

.gitignore

@@ -2,4 +2,4 @@ config-parser
 test/run_haproxy_locally
 test/test
 test/main.go
-.vscode/launch.json
+.vscode/

errors/parse.go

@@ -18,7 +18,12 @@ func (e *ParseError) Error() string {
 
 var FetchError error = errors.New("no data")
 
+var IndexOutOfRange error = errors.New("index out of range")
+
+var InvalidData error = errors.New("invalid data")
+
 var ParserMissingErr error = errors.New("parser missing")
 
-var SectionMissingErr error = errors.New("section missing")
 var SectionAlreadyExistsErr error = errors.New("section already exists")
+
+var SectionMissingErr error = errors.New("section missing")

parser.go

@@ -125,7 +125,11 @@ func (p *Parser) SectionsCreate(sectionType Section, sectionName string) error {
 }
 
 //Set sets attribute from defaults section, can be nil to disable/remove
-func (p *Parser) Set(sectionType Section, sectionName string, attribute string, data common.ParserData) error {
+func (p *Parser) Set(sectionType Section, sectionName string, attribute string, data common.ParserData, index ...int) error {
+	setIndex := -1
+	if len(index) > 0 && index[0] > -1 {
+		setIndex = index[0]
+	}
 	st, ok := p.Parsers[sectionType]
 	if !ok {
 		return errors.SectionMissingErr
@@ -134,7 +138,7 @@ func (p *Parser) Set(sectionType Section, sectionName string, attribute string,
 	if !ok {
 		return fmt.Errorf("Section [%s] not found", sectionName)
 	}
-	return section.Set(attribute, data)
+	return section.Set(attribute, data, setIndex)
 }
 
 //HasParser checks if we have a parser for attribute
@@ -274,63 +278,63 @@ func (p *Parser) ProcessLine(line string, parts, previousParts []string, comment
 					config.Active = *config.Global
 				}
 				if config.State == "frontend" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Frontend = getFrontendParser()
 					p.Parsers[Frontends][data.Name] = config.Frontend
 					config.Active = *config.Frontend
 				}
 				if config.State == "backend" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Backend = getBackendParser()
 					p.Parsers[Backends][data.Name] = config.Backend
 					config.Active = *config.Backend
 				}
 				if config.State == "listen" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Listen = getListenParser()
 					p.Parsers[Listen][data.Name] = config.Listen
 					config.Active = *config.Listen
 				}
 				if config.State == "resolvers" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Resolver = getResolverParser()
 					p.Parsers[Resolvers][data.Name] = config.Resolver
 					config.Active = *config.Resolver
 				}
 				if config.State == "userlist" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Userlist = getUserlistParser()
 					p.Parsers[UserList][data.Name] = config.Userlist
 					config.Active = *config.Userlist
 				}
 				if config.State == "peers" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Peers = getPeersParser()
 					p.Parsers[Peers][data.Name] = config.Peers
 					config.Active = *config.Peers
 				}
 				if config.State == "mailers" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Mailers = getMailersParser()
 					p.Parsers[Mailers][data.Name] = config.Mailers
 					config.Active = *config.Mailers
 				}
 				if config.State == "cache" {
-					parserSectionName := parser.(*extra.SectionName)
+					parserSectionName := parser.(*extra.Section)
 					rawData, _ := parserSectionName.Get(false)
 					data := rawData.(*types.Section)
 					config.Cache = getCacheParser()