1 files changed, 67 insertions, 0 deletions
diff --git a/vendor/github.com/mgechev/revive/rule/max-public-structs.go b/vendor/github.com/mgechev/revive/rule/max-public-structs.go
new file mode 100644
index 0000000000..9a2d07cbc1
--- /dev/null
+++ b/vendor/github.com/mgechev/revive/rule/max-public-structs.go
@@ -0,0 +1,67 @@
+package rule
+
+import (
+	"go/ast"
+
+	"strings"
+
+	"github.com/mgechev/revive/lint"
+)
+
+// MaxPublicStructsRule lints given else constructs.
+type MaxPublicStructsRule struct{}
+
+// Apply applies the rule to given file.
+func (r *MaxPublicStructsRule) Apply(file *lint.File, arguments lint.Arguments) []lint.Failure {
+	var failures []lint.Failure
+
+	fileAst := file.AST
+	walker := &lintMaxPublicStructs{
+		fileAst: fileAst,
+		onFailure: func(failure lint.Failure) {
+			failures = append(failures, failure)
+		},
+	}
+
+	ast.Walk(walker, fileAst)
+
+	max, ok := arguments[0].(int64) // Alt. non panicking version
+	if !ok {
+		panic(`invalid value passed as argument number to the "max-public-structs" rule`)
+	}
+
+	if walker.current > max {
+		walker.onFailure(lint.Failure{
+			Failure:    "you have exceeded the maximum number of public struct declarations",
+			Confidence: 1,
+			Node:       fileAst,
+			Category:   "style",
+		})
+	}
+
+	return failures
+}
+
+// Name returns the rule name.
+func (r *MaxPublicStructsRule) Name() string {
+	return "max-public-structs"
+}
+
+type lintMaxPublicStructs struct {
+	current   int64
+	fileAst   *ast.File
+	onFailure func(lint.Failure)
+}
+
+func (w *lintMaxPublicStructs) Visit(n ast.Node) ast.Visitor {
+	switch v := n.(type) {
+	case *ast.TypeSpec:
+		name := v.Name.Name
+		first := string(name[0])
+		if strings.ToUpper(first) == first {
+			w.current++
+		}
+		break
+	}
+	return w
+}