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markdown: template integration done. awaiting documentation and test

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This commit is contained in:
Abiola Ibrahim
2015-05-07 13:45:27 +01:00
parent 0bfdb50ade
commit ba613a1567
3 changed files with 93 additions and 10 deletions
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61
middleware/markdown/process.go
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@ -9,12 +9,19 @@ import (
"text/template"
"github.com/russross/blackfriday"
"log"
"os"
"strings"
)
// Process the contents of a page.
const (
DefaultTemplate = "defaultTemplate"
StaticDir = ".caddy_static"
)
// process the contents of a page.
// It parses the metadata if any and uses the template if found
func Process(c Config, fpath string, b []byte) ([]byte, error) {
func (md Markdown) process(c Config, fpath string, b []byte) ([]byte, error) {
metadata, markdown, err := extractMetadata(b)
if err != nil {
return nil, err
@ -42,7 +49,7 @@ func Process(c Config, fpath string, b []byte) ([]byte, error) {
// set it as body for template
metadata.Variables["body"] = string(markdown)
return processTemplate(c, fpath, tmpl, metadata)
return md.processTemplate(c, fpath, tmpl, metadata)
}
// extractMetadata extracts metadata content from a page.
@ -104,7 +111,7 @@ func findParser(line []byte) MetadataParser {
return nil
}
func processTemplate(c Config, fpath string, tmpl []byte, metadata Metadata) ([]byte, error) {
func (md Markdown) processTemplate(c Config, fpath string, tmpl []byte, metadata Metadata) ([]byte, error) {
// if template is specified
// replace parse the template
if tmpl != nil {
@ -119,6 +126,14 @@ func processTemplate(c Config, fpath string, tmpl []byte, metadata Metadata) ([]
if err = t.Execute(b, metadata.Variables); err != nil {
return nil, err
}
// generate static page
if err = md.generatePage(c, fpath, b.Bytes()); err != nil {
// if static page generation fails,
// nothing fatal, only log the error.
log.Println(err)
}
return b.Bytes(), nil
}
@ -154,6 +169,42 @@ func defaultTemplate(c Config, metadata Metadata, fpath string) []byte {
return html
}
func (md Markdown) generatePage(c Config, fpath string, content []byte) error {
// should not happen
// must be set on init
if c.StaticDir == "" {
return fmt.Errorf("Static directory not set")
}
// if static directory is not existing, create it
if _, err := os.Stat(c.StaticDir); err != nil {
err := os.MkdirAll(c.StaticDir, os.FileMode(0755))
if err != nil {
return err
}
}
filePath := filepath.Join(c.StaticDir, fpath)
// If it is index file, use the directory instead
if md.IsIndexFile(filepath.Base(fpath)) {
filePath, _ = filepath.Split(filePath)
}
if err := os.MkdirAll(filePath, os.FileMode(0755)); err != nil {
return err
}
// generate index.html file in the directory
filePath = filepath.Join(filePath, "index.html")
err := ioutil.WriteFile(filePath, content, os.FileMode(0755))
if err != nil {
return err
}
c.StaticFiles[fpath] = filePath
return nil
}
const (
htmlTemplate = `<!DOCTYPE html>
<html>
@ -169,6 +220,4 @@ const (
</html>`
cssTemplate = `<link rel="stylesheet" href="{{url}}">`
jsTemplate = `<script src="{{url}}"></script>`
DefaultTemplate = "defaultTemplate"
)