basic templating added (only for paste visualisation)

1 files changed, 84 insertions, 0 deletions

diff --git a/templ.go b/templ.go
new file mode 100644
index 0000000..72656bd
--- /dev/null
+++ b/templ.go
@@ -0,0 +1,84 @@
+/*
+*
+* Templating support for binit
+*
+*/
+
+package main
+
+
+import (
+	"os"
+	"io/ioutil"
+	"regexp"
+	"errors"
+)
+
+
+func prepare_paste_page(c *Config, paste_ID string) (string, error) {
+
+	s:= ""
+
+	// insert header
+
+	head_file := c.templ_dir + "/header.html"
+
+	f_head, err := os.Open(head_file)
+	defer f_head.Close()
+	
+	if  err == nil {
+		cont, err := ioutil.ReadFile(head_file)
+		if err == nil{
+			s += string(cont)
+		}
+	}
+	
+	// insert content
+
+	cont_file := c.paste_dir + "/" + paste_ID
+	f_cont, err := os.Open(cont_file)
+	defer f_cont.Close()
+
+	if err == nil {
+		// Let's read the content of the paste
+
+		cont, err := ioutil.ReadFile(cont_file)
+		if err == nil {
+			paste_buf := string(cont)
+
+			// ...Let's read the template
+			templ_file := c.templ_dir + "/templ.html" 
+			f_templ, err := os.Open(templ_file)
+			defer f_templ.Close()
+
+			cont, err := ioutil.ReadFile(templ_file)
+			if err == nil {
+				tmpl := string(cont)
+				// ...and replace  {{CONTENT}} with the paste itself!
+				re,_ := regexp.Compile("{{CONTENT}}")
+				tmpl = string(re.ReplaceAll([]byte(tmpl), []byte(paste_buf)))
+				
+				s += tmpl
+				
+			} else {
+				return "", errors.New("Error opening template file")
+			}
+			
+		} else {
+			return "", errors.New("Error opening paste")
+		}
+	}
+	// insert footer
+	foot_file := c.templ_dir + "/footer.html"
+	f_foot, err := os.Open(foot_file)
+	defer f_foot.Close()
+
+	if  err == nil {
+		cont, err := ioutil.ReadFile(foot_file)
+		if err == nil{
+			s += string(cont)
+		}
+	}
+	
+	return s, nil
+}