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authortjpcc <tjp@ctrl-c.club>2023-09-01 12:37:42 -0600
committertjpcc <tjp@ctrl-c.club>2023-09-01 12:37:42 -0600
commita61bcdeb314d4e0e9f6e8915b92010895170e785 (patch)
tree29611d33a0e65f334c7238a7748244ab63ad0d5c /gopher/gophermap/htmlconv
parent2ce5be68acd3c66d4d135d7eb68b9ecd1563aa1d (diff)
refactor gophermap template handling and add markdown conversion
Diffstat (limited to 'gopher/gophermap/htmlconv')
-rw-r--r--gopher/gophermap/htmlconv/convert.go135
1 files changed, 4 insertions, 131 deletions
diff --git a/gopher/gophermap/htmlconv/convert.go b/gopher/gophermap/htmlconv/convert.go
index a669601..8fa2f52 100644
--- a/gopher/gophermap/htmlconv/convert.go
+++ b/gopher/gophermap/htmlconv/convert.go
@@ -1,13 +1,11 @@
package htmlconv
import (
- "bytes"
"html/template"
"io"
- "strings"
"tildegit.org/tjp/sliderule/gopher"
- "tildegit.org/tjp/sliderule/internal/types"
+ "tildegit.org/tjp/sliderule/gopher/gophermap/internal"
)
// Convert writes html to a writer from the provided gophermap document.
@@ -32,13 +30,13 @@ func Convert(wr io.Writer, doc gopher.MapDocument, overrides *template.Template)
return err
}
- tmpl, err = addOverrides(tmpl, overrides)
+ tmpl, err = internal.AddHTMLOverrides(tmpl, overrides)
if err != nil {
return err
}
- for _, item := range renderItems(doc) {
- if err := tmpl.ExecuteTemplate(wr, item.template, item.object); err != nil {
+ for _, item := range internal.RenderItems(doc) {
+ if err := tmpl.ExecuteTemplate(wr, item.Template, item.Object); err != nil {
return err
}
}
@@ -46,131 +44,6 @@ func Convert(wr io.Writer, doc gopher.MapDocument, overrides *template.Template)
return nil
}
-type renderItem struct {
- template string
- object any
-}
-
-type renderRef struct {
- Type types.Status
- Display string
- Selector template.URL
- Hostname string
- Port string
-}
-
-func refItem(item gopher.MapItem) renderRef {
- return renderRef{
- Type: item.Type,
- Display: item.Display,
- Selector: template.URL(item.Selector),
- Hostname: item.Hostname,
- Port: item.Port,
- }
-}
-
-func renderItems(doc gopher.MapDocument) []renderItem {
- out := make([]renderItem, 0, len(doc))
- out = append(out, renderItem{
- template: "header",
- object: doc,
- })
- inMsg := false
- msg := &bytes.Buffer{}
- var currentHost, currentPort string
-
- for _, mapItem := range doc {
- switch mapItem.Type {
- case gopher.InfoMessageType:
- if inMsg {
- _, _ = msg.WriteString("\n")
- } else {
- msg.Reset()
- }
- _, _ = msg.WriteString(mapItem.Display)
- inMsg = true
-
- if currentHost == "" {
- currentHost = mapItem.Hostname
- }
- if currentPort == "" {
- currentPort = mapItem.Port
- }
- case gopher.GifFileType, gopher.ImageFileType, gopher.BitmapType, gopher.PngImageFileType:
- if inMsg {
- out = append(out, renderItem{
- template: "message",
- object: msg.String(),
- })
- inMsg = false
- }
- out = append(out, renderItem{
- template: "image",
- object: refItem(mapItem),
- })
- default:
- if inMsg {
- out = append(out, renderItem{
- template: "message",
- object: msg.String(),
- })
- inMsg = false
- }
- out = append(out, renderItem{
- template: "link",
- object: refItem(mapItem),
- })
- }
- }
-
- if inMsg {
- out = append(out, renderItem{
- template: "message",
- object: msg.String(),
- })
- }
-
- simplifyLinks(out, currentHost, currentPort)
-
- return append(out, renderItem{
- template: "footer",
- object: doc,
- })
-}
-
-func simplifyLinks(items []renderItem, currentHost, currentPort string) {
- for i, item := range items {
- if item.template != "link" && item.template != "image" {
- continue
- }
-
- m := item.object.(renderRef)
- if m.Hostname == currentHost && m.Port == currentPort {
- m.Hostname = ""
- m.Port = ""
- m.Selector = template.URL(strings.TrimPrefix(string(m.Selector), "URL:"))
- items[i].object = m
- }
- }
-}
-
-func addOverrides(base *template.Template, overrides *template.Template) (*template.Template, error) {
- if overrides == nil {
- return base, nil
- }
-
- tmpl := base
- var err error
- for _, override := range overrides.Templates() {
- tmpl, err = tmpl.AddParseTree(override.Name(), override.Tree)
- if err != nil {
- return nil, err
- }
- }
-
- return tmpl, nil
-}
-
var baseTmpl = template.Must(template.New("htmlconv").Parse(`
{{ define "header" -}}
<!DOCTYPE html>