func AssetsServer(w http.ResponseWriter, req *http.Request) {
_, filename := path.Split(req.URL.Path)
assets_client, err := soar.NewClient(":1234")
if err != nil {
panic(err)
}
if filename == "" {
// List files
io.WriteString(w, "<html><head><title>Asset List</title></head><body>")
returns, err := assets_client.Invoke("List")
if err != nil {
panic(err)
}
files, ok := returns[0].([]string)
if !ok {
panic("cannot recast asset response")
}
for _, file := range files {
io.WriteString(w, "<a href=\"/assets/"+file+"\">"+file+"</a> ")
io.WriteString(w, "<a href=\"/render/"+file+"\">(as pdf)</a>")
io.WriteString(w, "<br/>")
}
io.WriteString(w, "</body></html>")
} else {
// Show contents of a file
returns, err := assets_client.Invoke("Get", filename)
if err != nil {
panic(err)
}
data, ok := returns[0].([]byte)
if !ok {
panic("cannot recast assets response")
}
w.Write(data)
}
}
func (r *Render) Render(filename string) []byte {
assets_client, err := soar.NewClient(":1234")
if err != nil {
panic(err)
}
tmpdir, err := ioutil.TempDir("tmp/", "")
if err != nil {
panic(err)
}
returns, err := assets_client.Invoke("Get", filename)
if err != nil {
panic(err)
}
input, ok := returns[0].([]byte)
if !ok {
panic("could not recast assets return")
}
input_file := filepath.Join(tmpdir, "input.tex")
ioutil.WriteFile(input_file, input, 0666)
pdf_out := filepath.Join(tmpdir, "input.pdf")
xelatex := exec.Command("xelatex",
//"-o", pdf_out,
"-output-directory="+tmpdir,
input_file,
)
xelatex.Stdout = os.Stdout
xelatex.Stderr = os.Stderr
if xelatex.Run() != nil {
log.Fatal("pdfserver xelatex.Run:", err)
}
content, err := ioutil.ReadFile(pdf_out)
if err != nil {
log.Fatal("pdfserver read content:", err)
}
return content
}
func RenderServer(w http.ResponseWriter, req *http.Request) {
_, filename := path.Split(req.URL.Path)
render_client, err := soar.NewClient(":1233")
if err != nil {
panic(err)
}
returns, err := render_client.Invoke("Render", filename)
if err != nil {
panic(err)
}
data, ok := returns[0].([]byte)
if !ok {
panic("cannot recast render response")
}
w.Write(data)
}
