52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package main
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import (
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"errors"
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"html/template"
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"io/ioutil"
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"log"
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"path/filepath"
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"os"
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)
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var (
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Templates *template.Template // all templates
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base_path_len int // the base path len to generate a template name
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)
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// load all templates in the path
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func templates_load(path string) error {
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if base_path_len > 0 { return errors.New("Templates already loaded!") }
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if len(path) == 0 { return errors.New("Path is empty!") }
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base_path_len = len(path)
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Templates = template.New("dummy")
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if err := filepath.Walk(path, templates_scan_file); err != nil {
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return err
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}
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return nil
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}
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// scan the file for a useable name and add to template collection
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func templates_scan_file(path string, info os.FileInfo, err error) error {
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if err != nil { log.Println(`Error with file:`, path, `-`, err) }
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if !info.IsDir() && path[len(path) - 5:] == `.tmpl` {
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name := path[base_path_len + 1 : len(path) - 5]
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template.Must(Templates.New(name).Parse(template_parse(path)))
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if err != nil {
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return err
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}
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}
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return nil
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}
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// parse the template or return an error
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func template_parse(path string) string {
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content, err := ioutil.ReadFile(path)
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if err != nil {
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return ""
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}
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return string(content)
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}
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