65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package convert
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import (
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"bytes"
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"fmt"
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"html/template"
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"strings"
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"gopkg.in/yaml.v3"
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)
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type PageData struct {
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Title string
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Icon string
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Stylesheet string
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Header template.HTML
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Content template.HTML
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NextPost template.HTML
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PrevPost template.HTML
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Footer template.HTML
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}
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func processWithYaml(f []byte) (Metadata, []byte, error) {
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// Check if the file has valid metadata
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if !bytes.HasPrefix(f, []byte("---\n")) {
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// No valid yaml, so return the entire content
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return nil, f, nil
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}
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// Separate YAML from rest of document
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split := strings.SplitN(string(f), "---\n", 3)
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if len(split) < 3 {
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return nil, nil, fmt.Errorf("Invalid frontmatter format.")
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}
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var metadata Metadata
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// Parse YAML
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if err := yaml.Unmarshal([]byte(split[1]), &metadata); err != nil {
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return nil, nil, err
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}
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return metadata, []byte(split[2]), nil
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}
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func ConvertFile(in string, out string) error {
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mdPre, err := ReadFile(in)
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if err != nil {
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return err
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}
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metadata, md, err := processWithYaml(mdPre)
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if err != nil {
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return err
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}
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title, ok := metadata["title"].(string)
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if !ok {
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fmt.Println("No title in page.")
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} else {
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fmt.Println("Title found: ", title)
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}
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html, err := MdToHTML(md)
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if err != nil {
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return err
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}
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err = WriteFile(html, out)
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return err
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}
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