1 files changed, 56 insertions, 0 deletions
diff --git a/tpl/tplimpl/template_errors.go b/tpl/tplimpl/template_errors.go
new file mode 100644
index 000000000..df80726f5
--- /dev/null
+++ b/tpl/tplimpl/template_errors.go
@@ -0,0 +1,56 @@
+// Copyright 2018 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tplimpl
+
+import (
+	"github.com/gohugoio/hugo/common/herrors"
+	"github.com/pkg/errors"
+	"github.com/spf13/afero"
+)
+
+type templateInfo struct {
+	name     string
+	template string
+	isText   bool // HTML or plain text template.
+
+	// Used to create some error context in error situations
+	fs afero.Fs
+
+	// The filename relative to the fs above.
+	filename string
+
+	// The real filename (if possible). Used for logging.
+	realFilename string
+}
+
+func (t templateInfo) IsZero() bool {
+	return t.name == ""
+}
+
+func (t templateInfo) resolveType() templateType {
+	return resolveTemplateType(t.name)
+}
+
+func (info templateInfo) errWithFileContext(what string, err error) error {
+	err = errors.Wrapf(err, what)
+
+	err, _ = herrors.WithFileContextForFile(
+		err,
+		info.realFilename,
+		info.filename,
+		info.fs,
+		herrors.SimpleLineMatcher)
+
+	return err
+}