vendor some dependencies

2 files changed, 43 insertions, 0 deletions

diff --git a/internal/front/LICENSE b/internal/front/LICENSE
new file mode 100644
index 0000000..e8152bb
--- /dev/null
+++ b/internal/front/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2017 TJ Holowaychuk <tj@vision-media.ca>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/internal/front/front.go b/internal/front/front.go
new file mode 100644
index 0000000..b2c7f0e
--- /dev/null
+++ b/internal/front/front.go
@@ -0,0 +1,24 @@
+// Package front provides YAML frontmatter unmarshalling.
+package front
+
+import (
+	"bytes"
+
+	"gopkg.in/yaml.v2"
+)
+
+// Delimiter.
+var delim = []byte("---")
+
+// Unmarshal parses YAML frontmatter and returns the content. When no
+// frontmatter delimiters are present the original content is returned.
+func Unmarshal(b []byte, v interface{}) (content []byte, err error) {
+	if !bytes.HasPrefix(b, delim) {
+		return b, nil
+	}
+
+	parts := bytes.SplitN(b, delim, 3)
+	content = parts[2]
+	err = yaml.Unmarshal(parts[1], v)
+	return
+}