caddy/caddyhttp/markdown/metadata/metadata_yaml.go
Matthew Holt baf6db5b57
Apply Apache license to all .go source files (closes #1865)
I am not a lawyer, but according to the appendix of the license,
these boilerplate notices should be included with every source file.
2017-09-22 23:56:58 -06:00

61 lines
1.5 KiB
Go

// Copyright 2015 Light Code Labs, LLC
//
// 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 metadata
import (
"bytes"
"gopkg.in/yaml.v2"
)
// YAMLParser is the Parser for YAML
type YAMLParser struct {
metadata Metadata
markdown *bytes.Buffer
}
// Type returns the kind of metadata parser.
func (y *YAMLParser) Type() string {
return "YAML"
}
// Init prepares the metadata parser for parsing.
func (y *YAMLParser) Init(b *bytes.Buffer) bool {
meta, data := splitBuffer(b, "---")
if meta == nil || data == nil {
return false
}
y.markdown = data
m := make(map[string]interface{})
if err := yaml.Unmarshal(meta.Bytes(), &m); err != nil {
return false
}
y.metadata = NewMetadata(m)
return true
}
// Metadata returns parsed metadata. It should be called
// only after a call to Parse returns without error.
func (y *YAMLParser) Metadata() Metadata {
return y.metadata
}
// Markdown renders the text as a byte array
func (y *YAMLParser) Markdown() []byte {
return y.markdown.Bytes()
}