diff --git a/.gitignore b/.gitignore index db832d6..1ffdaf8 100644 --- a/.gitignore +++ b/.gitignore @@ -4,3 +4,4 @@ .envrc /cmdg /med +/conductor/ diff --git a/cmd/cmdg/cmdg.go b/cmd/cmdg/cmdg.go index 894a24c..0b45b1a 100644 --- a/cmd/cmdg/cmdg.go +++ b/cmd/cmdg/cmdg.go @@ -60,11 +60,10 @@ var ( verbose = flag.Bool("verbose", false, "Turn on verbose logging.") shell = flag.String("shell", "/bin/sh", "Shell to shell out to.") versionFlag = flag.Bool("version", false, "Show version and exit.") - lynx = flag.String("lynx", "lynx", "HTML render binary.") enableSign = flag.Bool("sign", false, "Send signed emails by default.") + imageProtocol = flag.String("image_protocol", "none", "Terminal image protocol (none, kitty, iterm2, auto).") updateSender = flag.String("update_sender", "", `Update default sender address. E.g.: "John Doe" `) - conn *cmdg.CmdG // Relative to configDir. @@ -133,6 +132,9 @@ func run(ctx context.Context) error { log.Errorf("Bailing due to error: %v", err) } log.Infof("MessageView returned, stopping keys") + if *imageProtocol != "none" { + cmdg.ClearImages(*imageProtocol) + } keys.Stop() log.Infof("Shutting down") return nil @@ -146,8 +148,7 @@ func main() { syscall.Umask(0077) flag.Parse() cmdg.Version = version - - cmdg.Lynx = *lynx + cmdg.PreferredImageProtocol = *imageProtocol log.Infof("cmdg %s", version) diff --git a/cmd/cmdg/compose.go b/cmd/cmdg/compose.go index b2d0795..007befa 100644 --- a/cmd/cmdg/compose.go +++ b/cmd/cmdg/compose.go @@ -51,9 +51,7 @@ func getInput(ctx context.Context, prefill string, keys *input.Input) (string, e // Stop UI. keys.Stop() defer func() { - if err := keys.Start(); err != nil { - log.Errorf("Failed to restart input: %v", err) - } + _ = keys.Start() }() cmd := exec.CommandContext(ctx, visualBinary, tmpf.Name()) @@ -272,11 +270,7 @@ func compose(ctx context.Context, conn *cmdg.CmdG, headOps []headOp, keys *input break } } - /* - if a == "S" { - // TODO: also archive. - } - */ + // TODO: also archive if a == "S" return nil case "d": st := time.Now() @@ -293,7 +287,9 @@ func compose(ctx context.Context, conn *cmdg.CmdG, headOps []headOp, keys *input break } if err != nil { - _ = dialog.Message("Failed to attach", fmt.Sprintf("Failed to attach file: %v", err), keys) + if err := dialog.Message("Failed to attach", fmt.Sprintf("Failed to attach file: %v", err), keys); err != nil { + log.Infof("Failed to show message: %v", err) + } } doEdit = false attachments = append(attachments, f) @@ -370,7 +366,7 @@ func chooseFile(ctx context.Context, keys *input.Input) (*file, error) { // TODO: attach a ReadCloser? b, err := ioutil.ReadFile(full) if err != nil { - return nil, err + return nil, errors.Wrapf(err, "reading file %q", full) } return &file{ name: fis[o.KeyInt].Name(), diff --git a/cmd/cmdg/compose_test.go b/cmd/cmdg/compose_test.go index a87dbcf..3a659d9 100644 --- a/cmd/cmdg/compose_test.go +++ b/cmd/cmdg/compose_test.go @@ -23,9 +23,7 @@ type fakeSend struct { func (fs *fakeSend) bad(w http.ResponseWriter, f string, args ...interface{}) { w.WriteHeader(http.StatusBadRequest) - if _, err := fmt.Fprintf(w, f, args...); err != nil { - fs.bad(w, "writing response failed: %v", err) - } + _, _ = fmt.Fprintf(w, f, args...) } func (fs *fakeSend) ServeHTTP(w http.ResponseWriter, r *http.Request) { @@ -61,9 +59,7 @@ func (fs *fakeSend) ServeHTTP(w http.ResponseWriter, r *http.Request) { } fs.msg = string(raw) w.WriteHeader(http.StatusOK) - if _, err := fmt.Fprintf(w, `{ "id": "12345" }`); err != nil { - fs.bad(w, "failed to write reply: %v", err) - } + _, _ = fmt.Fprintf(w, `{ "id": "12345" }`) } // net.RoundTripper that rewrites requests to the local fake. @@ -84,7 +80,7 @@ func (redir *redirector) RoundTrip(r *http.Request) (*http.Response, error) { } func crnl(s string) string { - return strings.ReplaceAll(s, "\n", "\r\n") + return strings.Replace(s, "\n", "\r\n", -1) } func TestSendMessage(t *testing.T) { @@ -208,6 +204,36 @@ Content-Disposition: inline Content-Type: text/plain; charset="UTF-8" World +--[a-z0-9]+--`)), + }, + { + name: "With attachments", + msg: "To: foo@bar.com\nSubject: hello\n\nWorld", + attachments: []*file{ + {name: "test1.txt", content: []byte("content1")}, + {name: "test2.txt", content: []byte("content2")}, + }, + matching: regexp.MustCompile(crnl(`MIME-Version: 1.0 +Subject: hello +To: foo@bar.com +Content-Type: multipart/mixed; boundary="[a-z0-9]+" +Content-Disposition: inline + +--[a-z0-9]+ +Content-Disposition: inline +Content-Type: text/plain; charset="UTF-8" + +World +--[a-z0-9]+ +Content-Disposition: attachment; filename="test1.txt" +Content-Type: application/octet-stream; name="test1.txt" + +content1 +--[a-z0-9]+ +Content-Disposition: attachment; filename="test2.txt" +Content-Type: application/octet-stream; name="test2.txt" + +content2 --[a-z0-9]+--`)), }, } diff --git a/cmd/cmdg/reply.go b/cmd/cmdg/reply.go index 911b392..3587f2a 100644 --- a/cmd/cmdg/reply.go +++ b/cmd/cmdg/reply.go @@ -89,8 +89,7 @@ func replyOrForward(ctx context.Context, conn *cmdg.CmdG, keys *input.Input, to, prefill := strings.Join(headers, "\n") + "\n\n" + strings.Join(body, "\n") refs, err := msg.GetReferences(ctx) if err != nil { - // don't care - _ = err + log.Warningf("Failed to get references when replying: %v", err) } headOps := []headOp{ diff --git a/cmd/cmdg/reply_test.go b/cmd/cmdg/reply_test.go index b24f844..6396dda 100644 --- a/cmd/cmdg/reply_test.go +++ b/cmd/cmdg/reply_test.go @@ -6,7 +6,6 @@ import ( "encoding/json" "fmt" "io/ioutil" - "log" "net/http" "net/http/httptest" "net/url" @@ -29,14 +28,13 @@ func (h *mockGmailHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { Raw string `json:"raw"` } if err := json.Unmarshal(content, &d); err != nil { - log.Fatalf("Failed to marshal: %v", err) + http.Error(w, err.Error(), http.StatusBadRequest) + return } raw, _ := base64.URLEncoding.DecodeString(d.Raw) h.sentMsg = string(raw) w.WriteHeader(http.StatusOK) - if _, err := fmt.Fprint(w, `{"id": "sent-123"}`); err != nil { - log.Fatalf("Failed to write reply: %v", err) - } + _, _ = fmt.Fprint(w, `{"id": "sent-123"}`) return } if r.Method == "GET" && strings.Contains(r.URL.Path, "/messages/msg-123") && !strings.Contains(r.URL.Path, "/attachments") { @@ -63,18 +61,14 @@ func (h *mockGmailHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { }, }, } - if err := json.NewEncoder(w).Encode(msg); err != nil { - log.Fatalf("Failed to encode: %v", err) - } + _ = json.NewEncoder(w).Encode(msg) return } if r.Method == "GET" && strings.Contains(r.URL.Path, "/attachments/att-123") { att := &gmail.MessagePartBody{ Data: base64.URLEncoding.EncodeToString([]byte("attachment content")), } - if err := json.NewEncoder(w).Encode(att); err != nil { - log.Fatalf("Failed to encode: %v", err) - } + _ = json.NewEncoder(w).Encode(att) return } w.WriteHeader(http.StatusNotFound) diff --git a/cmd/cmdg/view_messagelist.go b/cmd/cmdg/view_messagelist.go index d5689d2..884c4e9 100644 --- a/cmd/cmdg/view_messagelist.go +++ b/cmd/cmdg/view_messagelist.go @@ -49,7 +49,6 @@ Press [enter] to exit ) var ( - //messageListReloadTime = time.Minute messageListReloadTimeout = 40 * time.Second messageListHistoryCheckTime = 10 * time.Second messageListHistoryCheckTimeout = 10 * time.Second @@ -713,7 +712,7 @@ func (mv *MessageView) Run(ctx context.Context) error { switch key { case "?", input.F1: if err := help(messageListViewHelp, mv.keys); err != nil { - log.Infof("help() failed: %v", err) + log.Errorf("Failed to show help: %v", err) } case input.Enter, input.Right: if len(mv.messages) == 0 { diff --git a/cmd/cmdg/view_openmessage.go b/cmd/cmdg/view_openmessage.go index 2663e75..1de560a 100644 --- a/cmd/cmdg/view_openmessage.go +++ b/cmd/cmdg/view_openmessage.go @@ -109,13 +109,17 @@ func help(txt string, keys *input.Input) error { } } +type bodyUpdate struct { + lines []string +} + // OpenMessageView is the view for an open message. type OpenMessageView struct { msg *cmdg.Message keys *input.Input screen *display.Screen - update chan struct{} + update chan bodyUpdate errors chan error inIncrementalSearch bool @@ -142,16 +146,51 @@ func NewOpenMessageView(ctx context.Context, msg *cmdg.Message, in *input.Input) msg: msg, keys: in, screen: screen, - update: make(chan struct{}), + update: make(chan bodyUpdate, 5), errors: make(chan error, 20), } + if *imageProtocol != "none" { + ov.preferHTML = true + } + + triggerUpdate := func() { + go func() { + gb := ov.msg.GetBody + if ov.preferHTML { + gb = ov.msg.GetBodyHTML + } + b, err := gb(ctx) + if err != nil { + ov.errors <- errors.Wrapf(err, "Getting message body") + return + } + if *imageProtocol != "none" { + b = ov.msg.ProcessInlineImages(ctx, b, ov.screen.Width, ov.screen.Height) + + // Ensure images are uploaded even if already cached in memory. + proto := *imageProtocol + if proto == "auto" { + proto = cmdg.DetectImageProtocol() + } + if proto == "kitty" { + for _, img := range ov.msg.InlineImages() { + if img.Found && len(img.PNGContents) > 0 { + ov.msg.KittyUploadImage(img.PNGContents, img.KittyID) + } + } + } + } + ov.update <- bodyUpdate{lines: display.Wrap(b, ov.screen.Width)} + }() + } + go func() { st := time.Now() if err := msg.Preload(ctx, cmdg.LevelFull); err != nil { ov.errors <- err } log.Infof("Got full message in %v", time.Since(st)) - ov.update <- struct{}{} + triggerUpdate() }() return ov, err } @@ -281,6 +320,7 @@ func (ov *OpenMessageView) Draw(lines []string, scroll int) error { line++ // Draw body. + bodyStart := line if len(lines) > scroll { for _, l := range lines[scroll:] { l = strings.TrimRight(l, "\r ") @@ -294,6 +334,77 @@ func (ov *OpenMessageView) Draw(lines []string, scroll int) error { log.Errorf("Scroll too high! %d >= %d", scroll, len(lines)) } ov.screen.Printlnf(ov.screen.Height-2, "%s", strings.Repeat("—", ov.screen.Width)) + + // Draw images. + if *imageProtocol != "none" { + proto := *imageProtocol + if proto == "auto" { + proto = cmdg.DetectImageProtocol() + } + if proto != "" && proto != "none" { + // Clear previous placements to avoid "smearing" during scroll. + // This uses d=a to keep image data in memory. + ov.screen.PostDraw += "\x1b_Ga=d,d=a\x1b\\" + + bodyEnd := ov.screen.Height - 2 + + for _, img := range ov.msg.InlineImages() { + // Only draw if the marker was found in this body version. + if !img.Found { + continue + } + if img.InViewport(scroll, bodyStart, ov.screen.Height) && len(img.Contents) > 0 { + screenY := img.Y - scroll + bodyStart + drawY := screenY + drawX := img.X + drawH := img.Height + + pxX := 0 + pxY := 0 + pxW := img.PixelWidth + pxH := img.PixelHeight + + // Calculate pixel-per-cell ratio. + ratioY := float64(img.PixelHeight) / float64(img.Height) + + // Clip at the top. + if drawY < bodyStart { + vOffset := bodyStart - drawY + pxY = int(float64(vOffset) * ratioY) + pxH -= pxY + drawH -= vOffset + drawY = bodyStart + } + + // Clip at the bottom. + if drawY+drawH > bodyEnd { + clippedH := (drawY + drawH) - bodyEnd + pxH -= int(float64(clippedH) * ratioY) + drawH -= clippedH + } + + if drawH <= 0 { + continue + } + + log.Infof("Atomic image placement at %d,%d (c=%d r=%d, pxY=%d, pxH=%d)", drawX, drawY, img.Width, drawH, pxY, pxH) + var seq string + switch proto { + case "kitty": + seq = ov.msg.KittyDisplayImage(img.KittyID, img.Width, drawH, pxX, pxY, pxW, pxH) + case "iterm2": + seq = ov.msg.ITerm2Encode(img.PNGContents, img.Width, drawH) + } + if seq != "" { + ov.screen.PostDraw += fmt.Sprintf("\033[%d;%dH%s", drawY+1, drawX+1, seq) + } + } + } + ov.screen.PostDraw += fmt.Sprintf("\033[%d;1H", ov.screen.Height-1) + } + } + + ov.screen.Draw() return nil } @@ -335,7 +446,7 @@ func (ov *OpenMessageView) incrementalSearch(ctx context.Context, inlines []stri ov.incrementalQuery = "" if err := ov.Draw(lines, 0); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } ov.screen.Draw() @@ -397,7 +508,12 @@ func (ov *OpenMessageView) incrementalSearch(ctx context.Context, inlines []stri } // Found. if found > 0 { - break + if err := ov.Draw(lines, found); err != nil { + ov.errors <- errors.Wrapf(err, "Draw") + } + copy(lines, inlines) + ov.screen.Draw() + return found, nil } // Not found; wrap. @@ -410,8 +526,9 @@ func (ov *OpenMessageView) incrementalSearch(ctx context.Context, inlines []stri found = 0 } if err := ov.Draw(lines, found); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } + copy(lines, inlines) ov.screen.Draw() } @@ -420,6 +537,15 @@ func (ov *OpenMessageView) incrementalSearch(ctx context.Context, inlines []stri // Run runs the open message view event loop. func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { log.Infof("Running OpenMessageView") + if *imageProtocol != "none" { + proto := *imageProtocol + if proto == "auto" { + proto = cmdg.DetectImageProtocol() + } + // Clear all image data from PREVIOUS emails. + cmdg.ClearImageData(proto) + defer cmdg.ClearImageData(proto) + } scroll := 0 initScreen := func() error { var err error @@ -435,6 +561,39 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { } ov.screen.Printf(0, 0, "Loading…") ov.screen.Draw() + + triggerUpdate := func() { + go func() { + gb := ov.msg.GetBody + if ov.preferHTML { + gb = ov.msg.GetBodyHTML + } + b, err := gb(ctx) + if err != nil { + ov.errors <- errors.Wrapf(err, "Getting message body") + return + } + if *imageProtocol != "none" { + log.Infof("Pre-processing inline images for body length %d", len(b)) + b = ov.msg.ProcessInlineImages(ctx, b, ov.screen.Width, ov.screen.Height) + + // Ensure images are uploaded even if already cached in memory. + proto := *imageProtocol + if proto == "auto" { + proto = cmdg.DetectImageProtocol() + } + if proto == "kitty" { + for _, img := range ov.msg.InlineImages() { + if img.Found && len(img.PNGContents) > 0 { + ov.msg.KittyUploadImage(img.PNGContents, img.KittyID) + } + } + } + } + ov.update <- bodyUpdate{lines: display.Wrap(b, ov.screen.Width)} + }() + } + var lines []string for { select { @@ -446,44 +605,16 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { return nil, err } scroll = s - go func() { - ov.update <- struct{}{} - }() + triggerUpdate() case err := <-ov.errors: if err != nil { showError(ov.screen, ov.keys, err.Error()) ov.screen.Draw() } continue - case <-ov.update: - log.Infof("Message arrived") - gb := ov.msg.GetBody - if ov.preferHTML { - gb = ov.msg.GetBodyHTML - } - b, err := gb(ctx) - if err != nil { - ov.errors <- errors.Wrapf(err, "Getting message body") - } else { - lines = []string{} - for _, l := range strings.Split(b, "\n") { - if len(l) == 0 { - lines = append(lines, "") - continue - } - for len(l) > 0 { - // TODO: break on runewidth - // TODO: break on word boundary - if len(l) > ov.screen.Width { - lines = append(lines, l[:ov.screen.Width]) - l = l[ov.screen.Width:] - } else { - lines = append(lines, l) - l = "" - } - } - } - } + case up := <-ov.update: + log.Infof("Body update arrived") + lines = up.lines go func() { if ov.msg.IsUnread() { st := time.Now() @@ -493,16 +624,10 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { log.Infof("Marked unread in %v", time.Since(st)) } } - // Does not need to be signaled to - // messageview; label list gets - // updated by RemoveLabelID. }() - // Redraw could include fewer lines, because 'H' toggled HTML. ov.screen.Clear() - - // TODO: double check that scroll is not too high after `lines` was recreated. if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case key, ok := <-ov.keys.Chan(): if !ok { @@ -516,11 +641,11 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { if err := ov.msg.Reload(ctx, cmdg.LevelFull); err != nil { ov.errors <- errors.Wrap(err, "reloading message") } - ov.update <- struct{}{} + triggerUpdate() }() case "?", input.F1: if err := help(openMessageViewHelp, ov.keys); err != nil { - log.Infof("help() failed: %v", err) + ov.errors <- errors.Wrap(err, "help") } case "*": if ov.msg.HasLabel(cmdg.Starred) { @@ -536,7 +661,7 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { ov.errors <- errors.Wrapf(err, "Failed to reload labels") } if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case "l": var opts []*dialog.Option @@ -563,7 +688,7 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { } } if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case "L": var opts []*dialog.Option @@ -594,8 +719,8 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { } } if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) - } + ov.errors <- errors.Wrapf(err, "Draw") + } } case "u", input.Left: return nil, nil @@ -607,7 +732,6 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { return OpNext(), nil case "U": if err := ov.msg.AddLabelID(ctx, cmdg.Unread); err != nil { - //lint:ignore ST1005 UI-facing message intentionally starts with capital ov.errors <- fmt.Errorf("Failed to mark unread : %v", err) } else { return nil, nil @@ -615,46 +739,41 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { case input.Home, input.XHome: scroll = 0 if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case "n", input.Down: ov.screen.UseCache() scroll = ov.scroll(ctx, len(lines), scroll, 1) if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case " ", input.CtrlV, input.PgDown: scroll = ov.scroll(ctx, len(lines), scroll, ov.screen.Height-10) if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case "p", input.Up: ov.screen.UseCache() scroll = ov.scroll(ctx, len(lines), scroll, -1) if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case "f": if err := forward(ctx, conn, ov.keys, ov.msg); err != nil { - //lint:ignore ST1005 UI-facing message intentionally starts with capital ov.errors <- fmt.Errorf("Failed to forward: %v", err) } case "r": if err := reply(ctx, conn, ov.keys, ov.msg); err != nil { - //lint:ignore ST1005 UI-facing message intentionally starts with capital ov.errors <- fmt.Errorf("Failed to reply: %v", err) } case "a": if err := replyAll(ctx, conn, ov.keys, ov.msg); err != nil { - //lint:ignore ST1005 UI-facing message intentionally starts with capital ov.errors <- fmt.Errorf("Failed to replyAll: %v", err) } case "H": ov.preferHTML = !ov.preferHTML scroll = 0 - go func() { - ov.update <- struct{}{} - }() + triggerUpdate() case "e": // Archive if err := ov.msg.RemoveLabelID(ctx, cmdg.Inbox); err != nil { ov.errors <- fmt.Errorf("Failed to archive : %v", err) @@ -679,7 +798,7 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { scroll = ns } if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } case "t", input.Right: // Attachmments as, err := ov.msg.Attachments(ctx) @@ -723,7 +842,7 @@ func (ov *OpenMessageView) Run(ctx context.Context) (*MessageViewOp, error) { case input.Backspace, input.CtrlH, input.PgUp, "Meta-v": scroll = ov.scroll(ctx, len(lines), scroll, -(ov.screen.Height - 10)) if err := ov.Draw(lines, scroll); err != nil { - log.Infof("Failed to draw: %v", err) + ov.errors <- errors.Wrapf(err, "Draw") } default: log.Infof("Unknown key: %q", key) @@ -744,9 +863,7 @@ func (ov *OpenMessageView) showRaw(ctx context.Context) error { func (ov *OpenMessageView) showPager(ctx context.Context, content string) error { ov.keys.Stop() defer func() { - if err := ov.keys.Start(); err != nil { - log.Infof("Failed to restart input: %v", err) - } + _ = ov.keys.Start() }() cmd := exec.CommandContext(ctx, pagerBinary) diff --git a/go.mod b/go.mod index 96e15a6..d8235c7 100644 --- a/go.mod +++ b/go.mod @@ -1,15 +1,15 @@ module github.com/ThomasHabets/cmdg -go 1.24.0 +go 1.25.0 require ( - github.com/mattn/go-runewidth v0.0.16 + github.com/mattn/go-runewidth v0.0.17 github.com/pkg/errors v0.9.1 github.com/sirupsen/logrus v1.9.3 - golang.org/x/crypto v0.46.0 - golang.org/x/net v0.48.0 + golang.org/x/crypto v0.49.0 + golang.org/x/net v0.52.0 golang.org/x/oauth2 v0.34.0 - golang.org/x/sys v0.39.0 + golang.org/x/sys v0.42.0 google.golang.org/api v0.214.0 ) @@ -17,7 +17,21 @@ require ( cloud.google.com/go/auth v0.13.0 // indirect cloud.google.com/go/auth/oauth2adapt v0.2.6 // indirect cloud.google.com/go/compute/metadata v0.9.0 // indirect + github.com/JohannesKaufmann/html-to-markdown v1.6.0 // indirect + github.com/PuerkitoBio/goquery v1.12.0 // indirect + github.com/alecthomas/chroma/v2 v2.20.0 // indirect + github.com/andybalholm/cascadia v1.3.3 // indirect + github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect + github.com/aymerick/douceur v0.2.0 // indirect github.com/cespare/xxhash/v2 v2.3.0 // indirect + github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect + github.com/charmbracelet/glamour v1.0.0 // indirect + github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834 // indirect + github.com/charmbracelet/x/ansi v0.10.2 // indirect + github.com/charmbracelet/x/cellbuf v0.0.13 // indirect + github.com/charmbracelet/x/exp/slice v0.0.0-20250327172914-2fdc97757edf // indirect + github.com/charmbracelet/x/term v0.2.1 // indirect + github.com/dlclark/regexp2 v1.11.5 // indirect github.com/felixge/httpsnoop v1.0.4 // indirect github.com/go-logr/logr v1.4.3 // indirect github.com/go-logr/stdr v1.2.2 // indirect @@ -25,14 +39,25 @@ require ( github.com/google/uuid v1.6.0 // indirect github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect github.com/googleapis/gax-go/v2 v2.14.1 // indirect + github.com/gorilla/css v1.0.1 // indirect + github.com/lucasb-eyer/go-colorful v1.3.0 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/mattn/go-sixel v0.0.9 // indirect + github.com/microcosm-cc/bluemonday v1.0.27 // indirect + github.com/muesli/reflow v0.3.0 // indirect + github.com/muesli/termenv v0.16.0 // indirect github.com/rivo/uniseg v0.4.7 // indirect + github.com/soniakeys/quant v1.0.0 // indirect + github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect + github.com/yuin/goldmark v1.7.13 // indirect + github.com/yuin/goldmark-emoji v1.0.6 // indirect go.opentelemetry.io/auto/sdk v1.2.1 // indirect go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0 // indirect go.opentelemetry.io/otel v1.41.0 // indirect go.opentelemetry.io/otel/metric v1.41.0 // indirect go.opentelemetry.io/otel/trace v1.41.0 // indirect - golang.org/x/term v0.38.0 // indirect - golang.org/x/text v0.32.0 // indirect + golang.org/x/term v0.41.0 // indirect + golang.org/x/text v0.35.0 // indirect google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect google.golang.org/grpc v1.79.3 // indirect google.golang.org/protobuf v1.36.10 // indirect diff --git a/go.sum b/go.sum index 96e3ffd..cae0674 100644 --- a/go.sum +++ b/go.sum @@ -4,11 +4,41 @@ cloud.google.com/go/auth/oauth2adapt v0.2.6 h1:V6a6XDu2lTwPZWOawrAa9HUK+DB2zfJyT cloud.google.com/go/auth/oauth2adapt v0.2.6/go.mod h1:AlmsELtlEBnaNTL7jCj8VQFLy6mbZv0s4Q7NGBeQ5E8= cloud.google.com/go/compute/metadata v0.9.0 h1:pDUj4QMoPejqq20dK0Pg2N4yG9zIkYGdBtwLoEkH9Zs= cloud.google.com/go/compute/metadata v0.9.0/go.mod h1:E0bWwX5wTnLPedCKqk3pJmVgCBSM6qQI1yTBdEb3C10= +github.com/JohannesKaufmann/html-to-markdown v1.6.0 h1:04VXMiE50YYfCfLboJCLcgqF5x+rHJnb1ssNmqpLH/k= +github.com/JohannesKaufmann/html-to-markdown v1.6.0/go.mod h1:NUI78lGg/a7vpEJTz/0uOcYMaibytE4BUOQS8k78yPQ= +github.com/PuerkitoBio/goquery v1.9.2/go.mod h1:GHPCaP0ODyyxqcNoFGYlAprUFH81NuRPd0GX3Zu2Mvk= +github.com/PuerkitoBio/goquery v1.12.0 h1:pAcL4g3WRXekcB9AU/y1mbKez2dbY2AajVhtkO8RIBo= +github.com/PuerkitoBio/goquery v1.12.0/go.mod h1:802ej+gV2y7bbIhOIoPY5sT183ZW0YFofScC4q/hIpQ= +github.com/alecthomas/chroma/v2 v2.20.0 h1:sfIHpxPyR07/Oylvmcai3X/exDlE8+FA820NTz+9sGw= +github.com/alecthomas/chroma/v2 v2.20.0/go.mod h1:e7tViK0xh/Nf4BYHl00ycY6rV7b8iXBksI9E359yNmA= +github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU= +github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM= +github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA= +github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k= +github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8= +github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk= +github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4= github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs= github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs= +github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk= +github.com/charmbracelet/glamour v1.0.0 h1:AWMLOVFHTsysl4WV8T8QgkQ0s/ZNZo7CiE4WKhk8l08= +github.com/charmbracelet/glamour v1.0.0/go.mod h1:DSdohgOBkMr2ZQNhw4LZxSGpx3SvpeujNoXrQyH2hxo= +github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834 h1:ZR7e0ro+SZZiIZD7msJyA+NjkCNNavuiPBLgerbOziE= +github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834/go.mod h1:aKC/t2arECF6rNOnaKaVU6y4t4ZeHQzqfxedE/VkVhA= +github.com/charmbracelet/x/ansi v0.10.2 h1:ith2ArZS0CJG30cIUfID1LXN7ZFXRCww6RUvAPA+Pzw= +github.com/charmbracelet/x/ansi v0.10.2/go.mod h1:HbLdJjQH4UH4AqA2HpRWuWNluRE6zxJH/yteYEYCFa8= +github.com/charmbracelet/x/cellbuf v0.0.13 h1:/KBBKHuVRbq1lYx5BzEHBAFBP8VcQzJejZ/IA3iR28k= +github.com/charmbracelet/x/cellbuf v0.0.13/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs= +github.com/charmbracelet/x/exp/slice v0.0.0-20250327172914-2fdc97757edf h1:rLG0Yb6MQSDKdB52aGX55JT1oi0P0Kuaj7wi1bLUpnI= +github.com/charmbracelet/x/exp/slice v0.0.0-20250327172914-2fdc97757edf/go.mod h1:B3UgsnsBZS/eX42BlaNiJkD1pPOUa+oF1IYC6Yd2CEU= +github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ= +github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZQ= +github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8= github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg= github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U= github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= @@ -18,6 +48,7 @@ github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8= github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU= github.com/google/s2a-go v0.1.8 h1:zZDs9gcbt9ZPLV0ndSyQk6Kacx2g/X+SKYovpnz3SMM= @@ -28,21 +59,58 @@ github.com/googleapis/enterprise-certificate-proxy v0.3.4 h1:XYIDZApgAnrN1c855gT github.com/googleapis/enterprise-certificate-proxy v0.3.4/go.mod h1:YKe7cfqYXjKGpGvmSg28/fFvhNzinZQm8DGnaburhGA= github.com/googleapis/gax-go/v2 v2.14.1 h1:hb0FFeiPaQskmvakKu5EbCbpntQn48jyHuvrkurSS/Q= github.com/googleapis/gax-go/v2 v2.14.1/go.mod h1:Hb/NubMaVM88SrNkvl8X/o8XWwDJEPqouaLeN2IUxoA= +github.com/gorilla/css v1.0.1 h1:ntNaBIghp6JmvWnxbZKANoLyuXTPZ4cAMlo6RyhlbO8= +github.com/gorilla/css v1.0.1/go.mod h1:BvnYkspnSzMmwRK+b8/xgNPLiIuNZr6vbZBTPQ2A3b0= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag= +github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0= +github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= +github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk= github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc= github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w= +github.com/mattn/go-runewidth v0.0.17 h1:78v8ZlW0bP43XfmAfPsdXcoNCelfMHsDmd/pkENfrjQ= +github.com/mattn/go-runewidth v0.0.17/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w= +github.com/mattn/go-sixel v0.0.9 h1:ncx/rVU35Ut7/6gpVk4deC4/Wp2js9fDKmFmWnzmGoY= +github.com/mattn/go-sixel v0.0.9/go.mod h1:mfichvavqIDFW14LGU24ux/UZ/wF0/hG+4pUWOWrQgM= +github.com/microcosm-cc/bluemonday v1.0.27 h1:MpEUotklkwCSLeH+Qdx1VJgNqLlpY2KXwXFM08ygZfk= +github.com/microcosm-cc/bluemonday v1.0.27/go.mod h1:jFi9vgW+H7c3V0lb6nR74Ib/DIB5OBs92Dimizgw2cA= +github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s= +github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8= +github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc= +github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk= +github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc= github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc= github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ= github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88= +github.com/sebdah/goldie/v2 v2.5.3/go.mod h1:oZ9fp0+se1eapSRjfYbsV/0Hqhbuu3bJVvKI/NNtssI= +github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= +github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I= github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ= github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ= +github.com/soniakeys/quant v1.0.0 h1:N1um9ktjbkZVcywBVAAYpZYSHxEfJGzshHCxx/DaI0Y= +github.com/soniakeys/quant v1.0.0/go.mod h1:HI1k023QuVbD4H8i9YdfZP2munIHU4QpjsImz6Y6zds= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U= github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U= +github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no= +github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= +github.com/yuin/goldmark v1.7.1/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E= +github.com/yuin/goldmark v1.7.13 h1:GPddIs617DnBLFFVJFgpo1aBfe/4xcvMc3SB5t/D0pA= +github.com/yuin/goldmark v1.7.13/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg= +github.com/yuin/goldmark-emoji v1.0.6 h1:QWfF2FYaXwL74tfGOW5izeiZepUDroDJfWubQI9HTHs= +github.com/yuin/goldmark-emoji v1.0.6/go.mod h1:ukxJDKFpdFb5x0a5HqbdlcKtebh086iJpI31LTKmWuA= go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64= go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y= go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0 h1:yd02MEjBdJkG3uabWP9apV+OuWRIXGDuJEUJbOHmCFU= @@ -57,21 +125,102 @@ go.opentelemetry.io/otel/sdk/metric v1.39.0 h1:cXMVVFVgsIf2YL6QkRF4Urbr/aMInf+2W go.opentelemetry.io/otel/sdk/metric v1.39.0/go.mod h1:xq9HEVH7qeX69/JnwEfp6fVq5wosJsY1mt4lLfYdVew= go.opentelemetry.io/otel/trace v1.41.0 h1:Vbk2co6bhj8L59ZJ6/xFTskY+tGAbOnCtQGVVa9TIN0= go.opentelemetry.io/otel/trace v1.41.0/go.mod h1:U1NU4ULCoxeDKc09yCWdWe+3QoyweJcISEVa1RBzOis= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc= +golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU= +golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M= +golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8= +golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk= golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU= golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0= +golang.org/x/crypto v0.49.0 h1:+Ng2ULVvLHnJ/ZFEq4KdcDd/cfjrrjjNSXNzxg0Y4U4= +golang.org/x/crypto v0.49.0/go.mod h1:ErX4dUh2UM+CFYiXZRTcMpEcN8b/1gxEuv3nODoYtCA= +golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= +golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= +golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= +golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= +golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= +golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod 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v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY= +golang.org/x/net v0.52.0 h1:He/TN1l0e4mmR3QqHMT2Xab3Aj3L9qjbhRm78/6jrW0= +golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw= golang.org/x/oauth2 v0.34.0 h1:hqK/t4AKgbqWkdkcAeI8XLmbK+4m4G5YeQRrmiotGlw= golang.org/x/oauth2 v0.34.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA= +golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y= +golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= +golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= +golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= 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v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk= gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E= google.golang.org/api v0.214.0 h1:h2Gkq07OYi6kusGOaT/9rnNljuXmqPnaig7WGPmKbwA= @@ -85,6 +234,9 @@ google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhH google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE= google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/pkg/cmdg/clib/README.md b/pkg/cmdg/clib/README.md new file mode 100644 index 0000000..0089cef --- /dev/null +++ b/pkg/cmdg/clib/README.md @@ -0,0 +1,58 @@ +# clib + +C implementations of performance-critical operations, integrated via [cgo](https://pkg.go.dev/cmd/cgo). + +## Why C? + +Some operations in cmdg benefit from dropping into C for speed and lower memory usage. The biggest wins are in image dimension queries (30,000x faster than Go's stdlib) and base64 wrapping for large attachments (3-4x faster). + +## Components + +### base64wrap + +MIME-compliant base64 line-wrapping (RFC 2045). Wraps base64-encoded strings at 76 characters with `\r\n` separators. Used by `sender/` for every attachment, inline image, and S/MIME signature. + +Files: `base64wrap.c`, `base64wrap.h`, `base64wrap.go` + +### imgconv + +Image decoding and PNG re-encoding using [stb_image](https://github.com/nothings/stb) (vendored single-header C libraries). No external system dependencies required. + +- `DecodeToPNG()` — decodes any image format (JPEG, PNG, BMP, GIF) and re-encodes to PNG. Used by `view/html.go` for inline email images. +- `ImageDimensions()` — reads image width and height from the header only, without decoding pixel data. Used to calculate terminal row spacing for inline images. + +Files: `imgconv.c`, `imgconv.h`, `imgconv.go`, `stb_image.h`, `stb_image_write.h` + +### htmlconv + +Single-pass HTML-to-structured-elements parser. Takes raw HTML and returns a slice of `HTMLElement` values representing headings, links, images, blockquotes, tables, and text. Used by the email view to render HTML emails in the terminal without a full DOM. + +- `HTMLToElements()` — parses HTML into structured elements with type, text, and up to two attributes (e.g., `href`/`src`, `alt`/`cite`). + +Files: `htmlconv.c`, `htmlconv.h`, `htmlconv.go` + +### markdown + +Markdown-to-HTML conversion using [md4c](https://github.com/mity/md4c) (vendored). Supports GitHub-flavored features: tables, strikethrough, task lists, and permissive autolinks. + +- `MarkdownToHTML()` — converts Markdown bytes to HTML bytes. + +Files: `md4c.c`, `md4c.h`, `md4c-html.c`, `md4c-html.h`, `markdown.go` + +## Pure Go fallbacks + +Every function has a `_nocgo.go` counterpart (build tag `!cgo`) that provides the same API using pure Go libraries: + +| C implementation | Go fallback | +|-----------------|-------------| +| `base64wrap.go` | Manual string builder | +| `imgconv.go` (stb_image) | `image/png`, `image/jpeg`, `image/gif` | +| `htmlconv.go` | `goquery` DOM parsing | +| `markdown.go` (md4c) | `goldmark` | + +## Adding new C code + +1. Create `yourmodule.c` and `yourmodule.h` in this directory +2. Create `yourmodule.go` with cgo bindings (see `base64wrap.go` for a minimal example) +3. Add tests in `yourmodule_test.go` +4. If your C code uses `libm` or other system libraries, add `#cgo LDFLAGS: -lm` in the Go file diff --git a/pkg/cmdg/clib/base64wrap.c b/pkg/cmdg/clib/base64wrap.c new file mode 100644 index 0000000..46488f4 --- /dev/null +++ b/pkg/cmdg/clib/base64wrap.c @@ -0,0 +1,42 @@ +#include "base64wrap.h" +#include +#include + +char* wrap_base64(const char* data, size_t len, size_t* out_len) { + if (len == 0) { + char* empty = (char*)malloc(1); + if (!empty) return NULL; + empty[0] = '\0'; + *out_len = 0; + return empty; + } + + const size_t line_len = 76; + // Number of full lines (each gets \r\n appended except the last) + size_t num_breaks = (len > line_len) ? (len - 1) / line_len : 0; + size_t result_len = len + num_breaks * 2; // each break adds \r\n + + char* result = (char*)malloc(result_len + 1); + if (!result) return NULL; + + size_t src_pos = 0; + size_t dst_pos = 0; + + while (src_pos < len) { + size_t chunk = len - src_pos; + if (chunk > line_len) chunk = line_len; + + memcpy(result + dst_pos, data + src_pos, chunk); + dst_pos += chunk; + src_pos += chunk; + + if (src_pos < len) { + result[dst_pos++] = '\r'; + result[dst_pos++] = '\n'; + } + } + + result[dst_pos] = '\0'; + *out_len = dst_pos; + return result; +} diff --git a/pkg/cmdg/clib/base64wrap.go b/pkg/cmdg/clib/base64wrap.go new file mode 100644 index 0000000..b894dd7 --- /dev/null +++ b/pkg/cmdg/clib/base64wrap.go @@ -0,0 +1,30 @@ +//go:build cgo + +package clib + +/* +#include "base64wrap.h" +#include +*/ +import "C" +import "unsafe" + +// WrapBase64 wraps base64-encoded data at 76 characters per line with \r\n +// separators, as required by MIME (RFC 2045). +func WrapBase64(data string) string { + if len(data) == 0 { + return "" + } + + cData := C.CString(data) + defer C.free(unsafe.Pointer(cData)) + + var outLen C.size_t + result := C.wrap_base64(cData, C.size_t(len(data)), &outLen) + if result == nil { + return "" + } + defer C.free(unsafe.Pointer(result)) + + return C.GoStringN(result, C.int(outLen)) +} diff --git a/pkg/cmdg/clib/base64wrap.h b/pkg/cmdg/clib/base64wrap.h new file mode 100644 index 0000000..a5ad260 --- /dev/null +++ b/pkg/cmdg/clib/base64wrap.h @@ -0,0 +1,8 @@ +#ifndef CMDG_BASE64WRAP_H +#define CMDG_BASE64WRAP_H + +#include + +char* wrap_base64(const char* data, size_t len, size_t* out_len); + +#endif diff --git a/pkg/cmdg/clib/base64wrap_nocgo.go b/pkg/cmdg/clib/base64wrap_nocgo.go new file mode 100644 index 0000000..549bdb7 --- /dev/null +++ b/pkg/cmdg/clib/base64wrap_nocgo.go @@ -0,0 +1,27 @@ +//go:build !cgo + +package clib + +import "strings" + +// WrapBase64 wraps base64-encoded data at 76 characters per line with \r\n +// separators, as required by MIME (RFC 2045). +// This is the pure Go fallback used when cgo is not available. +func WrapBase64(data string) string { + const lineLength = 76 + if len(data) == 0 { + return "" + } + var result strings.Builder + for i := 0; i < len(data); i += lineLength { + end := i + lineLength + if end > len(data) { + end = len(data) + } + result.WriteString(data[i:end]) + if end < len(data) { + result.WriteString("\r\n") + } + } + return result.String() +} diff --git a/pkg/cmdg/clib/base64wrap_test.go b/pkg/cmdg/clib/base64wrap_test.go new file mode 100644 index 0000000..a9af2f6 --- /dev/null +++ b/pkg/cmdg/clib/base64wrap_test.go @@ -0,0 +1,87 @@ +package clib + +import ( + "strings" + "testing" +) + +func TestWrapBase64Empty(t *testing.T) { + result := WrapBase64("") + if result != "" { + t.Errorf("expected empty string, got %q", result) + } +} + +func TestWrapBase64ShortString(t *testing.T) { + input := "SGVsbG8gV29ybGQ=" + result := WrapBase64(input) + if result != input { + t.Errorf("expected %q, got %q", input, result) + } +} + +func TestWrapBase64Exactly76(t *testing.T) { + input := strings.Repeat("A", 76) + result := WrapBase64(input) + if result != input { + t.Errorf("expected no wrapping for exactly 76 chars, got %q", result) + } +} + +func TestWrapBase64MultipleLines(t *testing.T) { + input := strings.Repeat("A", 200) + result := WrapBase64(input) + + lines := strings.Split(result, "\r\n") + if len(lines) != 3 { + t.Fatalf("expected 3 lines, got %d", len(lines)) + } + if len(lines[0]) != 76 { + t.Errorf("first line length: expected 76, got %d", len(lines[0])) + } + if len(lines[1]) != 76 { + t.Errorf("second line length: expected 76, got %d", len(lines[1])) + } + if len(lines[2]) != 200-152 { + t.Errorf("third line length: expected %d, got %d", 200-152, len(lines[2])) + } +} + +func TestWrapBase64MatchesGoImpl(t *testing.T) { + // Reference Go implementation (the original from sender.go) + goWrapBase64 := func(data string) string { + const lineLength = 76 + var result strings.Builder + for i := 0; i < len(data); i += lineLength { + end := i + lineLength + if end > len(data) { + end = len(data) + } + result.WriteString(data[i:end]) + if end < len(data) { + result.WriteString("\r\n") + } + } + return result.String() + } + + tests := []string{ + "", + "A", + strings.Repeat("B", 75), + strings.Repeat("C", 76), + strings.Repeat("D", 77), + strings.Repeat("E", 152), + strings.Repeat("F", 153), + strings.Repeat("G", 1000), + strings.Repeat("H", 10000), + } + + for _, input := range tests { + expected := goWrapBase64(input) + got := WrapBase64(input) + if got != expected { + t.Errorf("mismatch for len=%d:\nexpected: %q\ngot: %q", len(input), expected, got) + } + } +} diff --git a/pkg/cmdg/clib/entity.c b/pkg/cmdg/clib/entity.c new file mode 100644 index 0000000..628ed45 --- /dev/null +++ b/pkg/cmdg/clib/entity.c @@ -0,0 +1,2157 @@ +#include "entity.h" +#include + +static const ENTITY ENTITY_MAP[] = { + { "Æ", { 198, 0 } }, + { "&", { 38, 0 } }, + { "Á", { 193, 0 } }, + { "Ă", { 258, 0 } }, + { "Â", { 194, 0 } }, + { "А", { 1040, 0 } }, + { "𝔄", { 120068, 0 } }, + { "À", { 192, 0 } }, + { "Α", { 913, 0 } }, + { "Ā", { 256, 0 } }, + { "⩓", { 10835, 0 } }, + { "Ą", { 260, 0 } }, + { "𝔸", { 120120, 0 } }, + { "⁡", { 8289, 0 } }, + { "Å", { 197, 0 } }, + { "𝒜", { 119964, 0 } }, + { "≔", { 8788, 0 } }, + { "Ã", { 195, 0 } }, + { "Ä", { 196, 0 } }, + { "∖", { 8726, 0 } }, + { "⫧", { 10983, 0 } }, + { "⌆", { 8966, 0 } }, + { "Б", { 1041, 0 } }, + { "∵", { 8757, 0 } }, + { "ℬ", { 8492, 0 } }, + { "Β", { 914, 0 } }, + { "𝔅", { 120069, 0 } }, + { "𝔹", { 120121, 0 } }, + { "˘", { 728, 0 } }, + { "ℬ", { 8492, 0 } }, + { "≎", { 8782, 0 } }, + { "Ч", { 1063, 0 } }, + { "©", { 169, 0 } }, + { "Ć", { 262, 0 } }, + { "⋒", { 8914, 0 } }, + { "ⅅ", { 8517, 0 } }, + { "ℭ", { 8493, 0 } }, + { "Č", { 268, 0 } }, + { "Ç", { 199, 0 } }, + { "Ĉ", { 264, 0 } }, + { "∰", { 8752, 0 } }, + { "Ċ", { 266, 0 } }, + { "¸", { 184, 0 } }, + { "·", { 183, 0 } }, + { "ℭ", { 8493, 0 } }, + { "Χ", { 935, 0 } }, + { "⊙", { 8857, 0 } }, + { "⊖", { 8854, 0 } }, + { "⊕", { 8853, 0 } }, + { "⊗", { 8855, 0 } }, + { "∲", { 8754, 0 } }, + { "”", { 8221, 0 } }, + { "’", { 8217, 0 } }, + { "∷", { 8759, 0 } }, + { "⩴", { 10868, 0 } }, + { "≡", { 8801, 0 } }, + { "∯", { 8751, 0 } }, + { "∮", { 8750, 0 } }, + { "ℂ", { 8450, 0 } }, + { "∐", { 8720, 0 } }, + { "∳", { 8755, 0 } }, + { "⨯", { 10799, 0 } }, + { "𝒞", { 119966, 0 } }, + { "⋓", { 8915, 0 } }, + { "≍", { 8781, 0 } }, + { "ⅅ", { 8517, 0 } }, + { "⤑", { 10513, 0 } }, + { "Ђ", { 1026, 0 } }, + { "Ѕ", { 1029, 0 } }, + { "Џ", { 1039, 0 } }, + { "‡", { 8225, 0 } }, + { "↡", { 8609, 0 } }, + { "⫤", { 10980, 0 } }, + { "Ď", { 270, 0 } }, + { "Д", { 1044, 0 } }, + { "∇", { 8711, 0 } }, + { "Δ", { 916, 0 } }, + { "𝔇", { 120071, 0 } }, + { "´", { 180, 0 } }, + { "˙", { 729, 0 } }, + { "˝", { 733, 0 } }, + { "`", { 96, 0 } }, + { "˜", { 732, 0 } }, + { "⋄", { 8900, 0 } }, + { "ⅆ", { 8518, 0 } }, + { "𝔻", { 120123, 0 } }, + { "¨", { 168, 0 } }, + { "⃜", { 8412, 0 } }, + { "≐", { 8784, 0 } }, + { "∯", { 8751, 0 } }, + { "¨", { 168, 0 } }, + { "⇓", { 8659, 0 } }, + { "⇐", { 8656, 0 } }, + { "⇔", { 8660, 0 } }, + { "⫤", { 10980, 0 } }, + { "⟸", { 10232, 0 } }, + { "⟺", { 10234, 0 } }, + { "⟹", { 10233, 0 } }, + { "⇒", { 8658, 0 } }, + { "⊨", { 8872, 0 } }, + { "⇑", { 8657, 0 } }, + { "⇕", { 8661, 0 } }, + { "∥", { 8741, 0 } }, + { "↓", { 8595, 0 } }, + { "⤓", { 10515, 0 } }, + { "⇵", { 8693, 0 } }, + { "̑", { 785, 0 } }, + { "⥐", { 10576, 0 } }, + { "⥞", { 10590, 0 } }, + { "↽", { 8637, 0 } }, + { "⥖", { 10582, 0 } }, + { "⥟", { 10591, 0 } }, + { "⇁", { 8641, 0 } }, + { "⥗", { 10583, 0 } }, + { "⊤", { 8868, 0 } }, + { "↧", { 8615, 0 } }, + { "⇓", { 8659, 0 } }, + { "𝒟", { 119967, 0 } }, + { "Đ", { 272, 0 } }, + { "Ŋ", { 330, 0 } }, + { "Ð", { 208, 0 } }, + { "É", { 201, 0 } }, + { "Ě", { 282, 0 } }, + { "Ê", { 202, 0 } }, + { "Э", { 1069, 0 } }, + { "Ė", { 278, 0 } }, + { "𝔈", { 120072, 0 } }, + { "È", { 200, 0 } }, + { "∈", { 8712, 0 } }, + { "Ē", { 274, 0 } }, + { "◻", { 9723, 0 } }, + { "▫", { 9643, 0 } }, + { "Ę", { 280, 0 } }, + { "𝔼", { 120124, 0 } }, + { "Ε", { 917, 0 } }, + { "⩵", { 10869, 0 } }, + { "≂", { 8770, 0 } }, + { "⇌", { 8652, 0 } }, + { "ℰ", { 8496, 0 } }, + { "⩳", { 10867, 0 } }, + { "Η", { 919, 0 } }, + { "Ë", { 203, 0 } }, + { "∃", { 8707, 0 } }, + { "ⅇ", { 8519, 0 } }, + { "Ф", { 1060, 0 } }, + { "𝔉", { 120073, 0 } }, + { "◼", { 9724, 0 } }, + { "▪", { 9642, 0 } }, + { "𝔽", { 120125, 0 } }, + { "∀", { 8704, 0 } }, + { "ℱ", { 8497, 0 } }, + { "ℱ", { 8497, 0 } }, + { "Ѓ", { 1027, 0 } }, + { ">", { 62, 0 } }, + { "Γ", { 915, 0 } }, + { "Ϝ", { 988, 0 } }, + { "Ğ", { 286, 0 } }, + { "Ģ", { 290, 0 } }, + { "Ĝ", { 284, 0 } }, + { "Г", { 1043, 0 } }, + { "Ġ", { 288, 0 } }, + { "𝔊", { 120074, 0 } }, + { "⋙", { 8921, 0 } }, + { "𝔾", { 120126, 0 } }, + { "≥", { 8805, 0 } }, + { "⋛", { 8923, 0 } }, + { "≧", { 8807, 0 } }, + { "⪢", { 10914, 0 } }, + { "≷", { 8823, 0 } }, + { "⩾", { 10878, 0 } }, + { "≳", { 8819, 0 } }, + { "𝒢", { 119970, 0 } }, + { "≫", { 8811, 0 } }, + { "Ъ", { 1066, 0 } }, + { "ˇ", { 711, 0 } }, + { "^", { 94, 0 } }, + { "Ĥ", { 292, 0 } }, + { "ℌ", { 8460, 0 } }, + { "ℋ", { 8459, 0 } }, + { "ℍ", { 8461, 0 } }, + { "─", { 9472, 0 } }, + { "ℋ", { 8459, 0 } }, + { "Ħ", { 294, 0 } }, + { "≎", { 8782, 0 } }, + { "≏", { 8783, 0 } }, + { "Е", { 1045, 0 } }, + { "IJ", { 306, 0 } }, + { "Ё", { 1025, 0 } }, + { "Í", { 205, 0 } }, + { "Î", { 206, 0 } }, + { "И", { 1048, 0 } }, + { "İ", { 304, 0 } }, + { "ℑ", { 8465, 0 } }, + { "Ì", { 204, 0 } }, + { "ℑ", { 8465, 0 } }, + { "Ī", { 298, 0 } }, + { "ⅈ", { 8520, 0 } }, + { "⇒", { 8658, 0 } }, + { "∬", { 8748, 0 } }, + { "∫", { 8747, 0 } }, + { "⋂", { 8898, 0 } }, + { "⁣", { 8291, 0 } }, + { "⁢", { 8290, 0 } }, + { "Į", { 302, 0 } }, + { "𝕀", { 120128, 0 } }, + { "Ι", { 921, 0 } }, + { "ℐ", { 8464, 0 } }, + { "Ĩ", { 296, 0 } }, + { "І", { 1030, 0 } }, + { "Ï", { 207, 0 } }, + { "Ĵ", { 308, 0 } }, + { "Й", { 1049, 0 } }, + { "𝔍", { 120077, 0 } }, + { "𝕁", { 120129, 0 } }, + { "𝒥", { 119973, 0 } }, + { "Ј", { 1032, 0 } }, + { "Є", { 1028, 0 } }, + { "Х", { 1061, 0 } }, + { "Ќ", { 1036, 0 } }, + { "Κ", { 922, 0 } }, + { "Ķ", { 310, 0 } }, + { "К", { 1050, 0 } }, + { "𝔎", { 120078, 0 } }, + { "𝕂", { 120130, 0 } }, + { "𝒦", { 119974, 0 } }, + { "Љ", { 1033, 0 } }, + { "<", { 60, 0 } }, + { "Ĺ", { 313, 0 } }, + { "Λ", { 923, 0 } }, + { "⟪", { 10218, 0 } }, + { "ℒ", { 8466, 0 } }, + { "↞", { 8606, 0 } }, + { "Ľ", { 317, 0 } }, + { "Ļ", { 315, 0 } }, + { "Л", { 1051, 0 } }, + { "⟨", { 10216, 0 } }, + { "←", { 8592, 0 } }, + { "⇤", { 8676, 0 } }, + { "⇆", { 8646, 0 } }, + { "⌈", { 8968, 0 } }, + { "⟦", { 10214, 0 } }, + { "⥡", { 10593, 0 } }, + { "⇃", { 8643, 0 } }, + { "⥙", { 10585, 0 } }, + { "⌊", { 8970, 0 } }, + { "↔", { 8596, 0 } }, + { "⥎", { 10574, 0 } }, + { "⊣", { 8867, 0 } }, + { "↤", { 8612, 0 } }, + { "⥚", { 10586, 0 } }, + { "⊲", { 8882, 0 } }, + { "⧏", { 10703, 0 } }, + { "⊴", { 8884, 0 } }, + { "⥑", { 10577, 0 } }, + { "⥠", { 10592, 0 } }, + { "↿", { 8639, 0 } }, + { "⥘", { 10584, 0 } }, + { "↼", { 8636, 0 } }, + { "⥒", { 10578, 0 } }, + { "⇐", { 8656, 0 } }, + { "⇔", { 8660, 0 } }, + { "⋚", { 8922, 0 } }, + { "≦", { 8806, 0 } }, + { "≶", { 8822, 0 } }, + { "⪡", { 10913, 0 } }, + { "⩽", { 10877, 0 } }, + { "≲", { 8818, 0 } }, + { "𝔏", { 120079, 0 } }, + { "⋘", { 8920, 0 } }, + { "⇚", { 8666, 0 } }, + { "Ŀ", { 319, 0 } }, + { "⟵", { 10229, 0 } }, + { "⟷", { 10231, 0 } }, + { "⟶", { 10230, 0 } }, + { "⟸", { 10232, 0 } }, + { "⟺", { 10234, 0 } }, + { "⟹", { 10233, 0 } }, + { "𝕃", { 120131, 0 } }, + { "↙", { 8601, 0 } }, + { "↘", { 8600, 0 } }, + { "ℒ", { 8466, 0 } }, + { "↰", { 8624, 0 } }, + { "Ł", { 321, 0 } }, + { "≪", { 8810, 0 } }, + { "⤅", { 10501, 0 } }, + { "М", { 1052, 0 } }, + { " ", { 8287, 0 } }, + { "ℳ", { 8499, 0 } }, + { "𝔐", { 120080, 0 } }, + { "∓", { 8723, 0 } }, + { "𝕄", { 120132, 0 } }, + { "ℳ", { 8499, 0 } }, + { "Μ", { 924, 0 } }, + { "Њ", { 1034, 0 } }, + { "Ń", { 323, 0 } }, + { "Ň", { 327, 0 } }, + { "Ņ", { 325, 0 } }, + { "Н", { 1053, 0 } }, + { "​", { 8203, 0 } }, + { "​", { 8203, 0 } }, + { "​", { 8203, 0 } }, + { "​", { 8203, 0 } }, + { "≫", { 8811, 0 } }, + { "≪", { 8810, 0 } }, + { " ", { 10, 0 } }, + { "𝔑", { 120081, 0 } }, + { "⁠", { 8288, 0 } }, + { " ", { 160, 0 } }, + { "ℕ", { 8469, 0 } }, + { "⫬", { 10988, 0 } }, + { "≢", { 8802, 0 } }, + { "≭", { 8813, 0 } }, + { "∦", { 8742, 0 } }, + { "∉", { 8713, 0 } }, + { "≠", { 8800, 0 } }, + { "≂̸", { 8770, 824 } }, + { "∄", { 8708, 0 } }, + { "≯", { 8815, 0 } }, + { "≱", { 8817, 0 } }, + { "≧̸", { 8807, 824 } }, + { "≫̸", { 8811, 824 } }, + { "≹", { 8825, 0 } }, + { "⩾̸", { 10878, 824 } }, + { "≵", { 8821, 0 } }, + { "≎̸", { 8782, 824 } }, + { "≏̸", { 8783, 824 } }, + { "⋪", { 8938, 0 } }, + { "⧏̸", { 10703, 824 } }, + { "⋬", { 8940, 0 } }, + { "≮", { 8814, 0 } }, + { "≰", { 8816, 0 } }, + { "≸", { 8824, 0 } }, + { "≪̸", { 8810, 824 } }, + { "⩽̸", { 10877, 824 } }, + { "≴", { 8820, 0 } }, + { "⪢̸", { 10914, 824 } }, + { "⪡̸", { 10913, 824 } }, + { "⊀", { 8832, 0 } }, + { "⪯̸", { 10927, 824 } }, + { "⋠", { 8928, 0 } }, + { "∌", { 8716, 0 } }, + { "⋫", { 8939, 0 } }, + { "⧐̸", { 10704, 824 } }, + { "⋭", { 8941, 0 } }, + { "⊏̸", { 8847, 824 } }, + { "⋢", { 8930, 0 } }, + { "⊐̸", { 8848, 824 } }, + { "⋣", { 8931, 0 } }, + { "⊂⃒", { 8834, 8402 } }, + { "⊈", { 8840, 0 } }, + { "⊁", { 8833, 0 } }, + { "⪰̸", { 10928, 824 } }, + { "⋡", { 8929, 0 } }, + { "≿̸", { 8831, 824 } }, + { "⊃⃒", { 8835, 8402 } }, + { "⊉", { 8841, 0 } }, + { "≁", { 8769, 0 } }, + { "≄", { 8772, 0 } }, + { "≇", { 8775, 0 } }, + { "≉", { 8777, 0 } }, + { "∤", { 8740, 0 } }, + { "𝒩", { 119977, 0 } }, + { "Ñ", { 209, 0 } }, + { "Ν", { 925, 0 } }, + { "Œ", { 338, 0 } }, + { "Ó", { 211, 0 } }, + { "Ô", { 212, 0 } }, + { "О", { 1054, 0 } }, + { "Ő", { 336, 0 } }, + { "𝔒", { 120082, 0 } }, + { "Ò", { 210, 0 } }, + { "Ō", { 332, 0 } }, + { "Ω", { 937, 0 } }, + { "Ο", { 927, 0 } }, + { "𝕆", { 120134, 0 } }, + { "“", { 8220, 0 } }, + { "‘", { 8216, 0 } }, + { "⩔", { 10836, 0 } }, + { "𝒪", { 119978, 0 } }, + { "Ø", { 216, 0 } }, + { "Õ", { 213, 0 } }, + { "⨷", { 10807, 0 } }, + { "Ö", { 214, 0 } }, + { "‾", { 8254, 0 } }, + { "⏞", { 9182, 0 } }, + { "⎴", { 9140, 0 } }, + { "⏜", { 9180, 0 } }, + { "∂", { 8706, 0 } }, + { "П", { 1055, 0 } }, + { "𝔓", { 120083, 0 } }, + { "Φ", { 934, 0 } }, + { "Π", { 928, 0 } }, + { "±", { 177, 0 } }, + { "ℌ", { 8460, 0 } }, + { "ℙ", { 8473, 0 } }, + { "⪻", { 10939, 0 } }, + { "≺", { 8826, 0 } }, + { "⪯", { 10927, 0 } }, + { "≼", { 8828, 0 } }, + { "≾", { 8830, 0 } }, + { "″", { 8243, 0 } }, + { "∏", { 8719, 0 } }, + { "∷", { 8759, 0 } }, + { "∝", { 8733, 0 } }, + { "𝒫", { 119979, 0 } }, + { "Ψ", { 936, 0 } }, + { """, { 34, 0 } }, + { "𝔔", { 120084, 0 } }, + { "ℚ", { 8474, 0 } }, + { "𝒬", { 119980, 0 } }, + { "⤐", { 10512, 0 } }, + { "®", { 174, 0 } }, + { "Ŕ", { 340, 0 } }, + { "⟫", { 10219, 0 } }, + { "↠", { 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"³", { 179, 0 } }, + { "⊃", { 8835, 0 } }, + { "⫆", { 10950, 0 } }, + { "⪾", { 10942, 0 } }, + { "⫘", { 10968, 0 } }, + { "⊇", { 8839, 0 } }, + { "⫄", { 10948, 0 } }, + { "⟉", { 10185, 0 } }, + { "⫗", { 10967, 0 } }, + { "⥻", { 10619, 0 } }, + { "⫂", { 10946, 0 } }, + { "⫌", { 10956, 0 } }, + { "⊋", { 8843, 0 } }, + { "⫀", { 10944, 0 } }, + { "⊃", { 8835, 0 } }, + { "⊇", { 8839, 0 } }, + { "⫆", { 10950, 0 } }, + { "⊋", { 8843, 0 } }, + { "⫌", { 10956, 0 } }, + { "⫈", { 10952, 0 } }, + { "⫔", { 10964, 0 } }, + { "⫖", { 10966, 0 } }, + { "⇙", { 8665, 0 } }, + { "⤦", { 10534, 0 } }, + { "↙", { 8601, 0 } }, + { "↙", { 8601, 0 } }, + { "⤪", { 10538, 0 } }, + { "ß", { 223, 0 } }, + { "⌖", { 8982, 0 } }, + { "τ", { 964, 0 } }, + { "⎴", { 9140, 0 } }, + { "ť", { 357, 0 } }, + { "ţ", { 355, 0 } }, + { "т", { 1090, 0 } }, + { "⃛", { 8411, 0 } }, + { "⌕", { 8981, 0 } }, + { "𝔱", { 120113, 0 } }, + { "∴", { 8756, 0 } }, + { "∴", { 8756, 0 } }, + { "θ", { 952, 0 } }, + { "ϑ", { 977, 0 } }, + { "ϑ", { 977, 0 } }, + { "≈", { 8776, 0 } }, + { "∼", { 8764, 0 } }, + { " ", { 8201, 0 } }, + { "≈", { 8776, 0 } }, + { "∼", { 8764, 0 } }, + { "þ", { 254, 0 } }, + { "˜", { 732, 0 } }, + { "×", { 215, 0 } }, + { "⊠", { 8864, 0 } }, + { "⨱", { 10801, 0 } }, + { "⨰", { 10800, 0 } }, + { "∭", { 8749, 0 } }, + { "⤨", { 10536, 0 } }, + { "⊤", { 8868, 0 } }, + { "⌶", { 9014, 0 } }, + { "⫱", { 10993, 0 } }, + { "𝕥", { 120165, 0 } }, + { "⫚", { 10970, 0 } }, + { "⤩", { 10537, 0 } }, + { "‴", { 8244, 0 } }, + { "™", { 8482, 0 } }, + { "▵", { 9653, 0 } }, + { "▿", { 9663, 0 } }, + { "◃", { 9667, 0 } }, + { "⊴", { 8884, 0 } }, + { "≜", { 8796, 0 } }, + { "▹", { 9657, 0 } }, + { "⊵", { 8885, 0 } }, + { "◬", { 9708, 0 } }, + { "≜", { 8796, 0 } }, + { "⨺", { 10810, 0 } }, + { "⨹", { 10809, 0 } }, + { "⧍", { 10701, 0 } }, + { "⨻", { 10811, 0 } }, + { "⏢", { 9186, 0 } }, + { "𝓉", { 120009, 0 } }, + { "ц", { 1094, 0 } }, + { "ћ", { 1115, 0 } }, + { "ŧ", { 359, 0 } }, + { "≬", { 8812, 0 } }, + { "↞", { 8606, 0 } }, + { "↠", { 8608, 0 } }, + { "⇑", { 8657, 0 } }, + { "⥣", { 10595, 0 } }, + { "ú", { 250, 0 } }, + { "↑", { 8593, 0 } }, + { "ў", { 1118, 0 } }, + { "ŭ", { 365, 0 } }, + { "û", { 251, 0 } }, + { "у", { 1091, 0 } }, + { "⇅", { 8645, 0 } }, + { "ű", { 369, 0 } }, + { "⥮", { 10606, 0 } }, + { "⥾", { 10622, 0 } }, + { "𝔲", { 120114, 0 } }, + { "ù", { 249, 0 } }, + { "↿", { 8639, 0 } }, + { "↾", { 8638, 0 } }, + { "▀", { 9600, 0 } }, + { "⌜", { 8988, 0 } }, + { "⌜", { 8988, 0 } }, + { "⌏", { 8975, 0 } }, + { "◸", { 9720, 0 } }, + { "ū", { 363, 0 } }, + { "¨", { 168, 0 } }, + { "ų", { 371, 0 } }, + { "𝕦", { 120166, 0 } }, + { "↑", { 8593, 0 } }, + { "↕", { 8597, 0 } }, + { "↿", { 8639, 0 } }, + { "↾", { 8638, 0 } }, + { "⊎", { 8846, 0 } }, + { "υ", { 965, 0 } }, + { "ϒ", { 978, 0 } }, + { "υ", { 965, 0 } }, + { "⇈", { 8648, 0 } }, + { "⌝", { 8989, 0 } }, + { "⌝", { 8989, 0 } }, + { "⌎", { 8974, 0 } }, + { "ů", { 367, 0 } }, + { "◹", { 9721, 0 } }, + { "𝓊", { 120010, 0 } }, + { "⋰", { 8944, 0 } }, + { "ũ", { 361, 0 } }, + { "▵", { 9653, 0 } }, + { "▴", { 9652, 0 } }, + { "⇈", { 8648, 0 } }, + { "ü", { 252, 0 } }, + { "⦧", { 10663, 0 } }, + { "⇕", { 8661, 0 } }, + { "⫨", { 10984, 0 } }, + { "⫩", { 10985, 0 } }, + { "⊨", { 8872, 0 } }, + { "⦜", { 10652, 0 } }, + { "ϵ", { 1013, 0 } }, + { "ϰ", { 1008, 0 } }, + { "∅", { 8709, 0 } }, + { "ϕ", { 981, 0 } }, + { "ϖ", { 982, 0 } }, + { "∝", { 8733, 0 } }, + { "↕", { 8597, 0 } }, + { "ϱ", { 1009, 0 } }, + { "ς", { 962, 0 } }, + { "⊊︀", { 8842, 65024 } }, + { "⫋︀", { 10955, 65024 } }, + { "⊋︀", { 8843, 65024 } }, + { "⫌︀", { 10956, 65024 } }, + { "ϑ", { 977, 0 } }, + { "⊲", { 8882, 0 } }, + { "⊳", { 8883, 0 } }, + { "в", { 1074, 0 } }, + { "⊢", { 8866, 0 } }, + { "∨", { 8744, 0 } }, + { "⊻", { 8891, 0 } }, + { "≚", { 8794, 0 } }, + { "⋮", { 8942, 0 } }, + { "|", { 124, 0 } }, + { "|", { 124, 0 } }, + { "𝔳", { 120115, 0 } }, + { "⊲", { 8882, 0 } }, + { "⊂⃒", { 8834, 8402 } }, + { "⊃⃒", { 8835, 8402 } }, + { "𝕧", { 120167, 0 } }, + { "∝", { 8733, 0 } }, + { "⊳", { 8883, 0 } }, + { "𝓋", { 120011, 0 } }, + { "⫋︀", { 10955, 65024 } }, + { "⊊︀", { 8842, 65024 } }, + { "⫌︀", { 10956, 65024 } }, + { "⊋︀", { 8843, 65024 } }, + { "⦚", { 10650, 0 } }, + { "ŵ", { 373, 0 } }, + { "⩟", { 10847, 0 } }, + { "∧", { 8743, 0 } }, + { "≙", { 8793, 0 } }, + { "℘", { 8472, 0 } }, + { "𝔴", { 120116, 0 } }, + { "𝕨", { 120168, 0 } }, + { "℘", { 8472, 0 } }, + { "≀", { 8768, 0 } }, + { "≀", { 8768, 0 } }, + { "𝓌", { 120012, 0 } }, + { "⋂", { 8898, 0 } }, + { "◯", { 9711, 0 } }, + { "⋃", { 8899, 0 } }, + { "▽", { 9661, 0 } }, + { "𝔵", { 120117, 0 } }, + { "⟺", { 10234, 0 } }, + { "⟷", { 10231, 0 } }, + { "ξ", { 958, 0 } }, + { "⟸", { 10232, 0 } }, + { "⟵", { 10229, 0 } }, + { "⟼", { 10236, 0 } }, + { "⋻", { 8955, 0 } }, + { "⨀", { 10752, 0 } }, + { "𝕩", { 120169, 0 } }, + { "⨁", { 10753, 0 } }, + { "⨂", { 10754, 0 } }, + { "⟹", { 10233, 0 } }, + { "⟶", { 10230, 0 } }, + { "𝓍", { 120013, 0 } }, + { "⨆", { 10758, 0 } }, + { "⨄", { 10756, 0 } }, + { "△", { 9651, 0 } }, + { "⋁", { 8897, 0 } }, + { "⋀", { 8896, 0 } }, + { "ý", { 253, 0 } }, + { "я", { 1103, 0 } }, + { "ŷ", { 375, 0 } }, + { "ы", { 1099, 0 } }, + { "¥", { 165, 0 } }, + { "𝔶", { 120118, 0 } }, + { "ї", { 1111, 0 } }, + { "𝕪", { 120170, 0 } }, + { "𝓎", { 120014, 0 } }, + { "ю", { 1102, 0 } }, + { "ÿ", { 255, 0 } }, + { "ź", { 378, 0 } }, + { "ž", { 382, 0 } }, + { "з", { 1079, 0 } }, + { "ż", { 380, 0 } }, + { "ℨ", { 8488, 0 } }, + { "ζ", { 950, 0 } }, + { "𝔷", { 120119, 0 } }, + { "ж", { 1078, 0 } }, + { "⇝", { 8669, 0 } }, + { "𝕫", { 120171, 0 } }, + { "𝓏", { 120015, 0 } }, + { "‍", { 8205, 0 } }, + { "‌", { 8204, 0 } } +}; + +typedef struct ENTITY_KEY_tag ENTITY_KEY; +struct ENTITY_KEY_tag { + const char* name; + size_t name_size; +}; + +static int +entity_cmp(const void* p_key, const void* p_entity) +{ + ENTITY_KEY* key = (ENTITY_KEY*) p_key; + ENTITY* ent = (ENTITY*) p_entity; + + return strncmp(key->name, ent->name, key->name_size); +} + +const ENTITY* +entity_lookup(const char* name, size_t name_size) +{ + ENTITY_KEY key = { name, name_size }; + + return bsearch(&key, + ENTITY_MAP, + sizeof(ENTITY_MAP) / sizeof(ENTITY_MAP[0]), + sizeof(ENTITY), + entity_cmp); +} diff --git a/pkg/cmdg/clib/entity.h b/pkg/cmdg/clib/entity.h new file mode 100644 index 0000000..41beb0a --- /dev/null +++ b/pkg/cmdg/clib/entity.h @@ -0,0 +1,14 @@ +#ifndef MD4C_ENTITY_H +#define MD4C_ENTITY_H + +#include + +typedef struct ENTITY_tag ENTITY; +struct ENTITY_tag { + const char* name; + unsigned codepoints[2]; +}; + +const ENTITY* entity_lookup(const char* name, size_t name_size); + +#endif diff --git a/pkg/cmdg/clib/htmlconv.c b/pkg/cmdg/clib/htmlconv.c new file mode 100644 index 0000000..279f7db --- /dev/null +++ b/pkg/cmdg/clib/htmlconv.c @@ -0,0 +1,768 @@ +#include "htmlconv.h" +#include +#include +#include +#include + +// --- Dynamic buffer --- + +typedef struct { + char* data; + size_t len; + size_t cap; +} Buffer; + +static void buf_init(Buffer* b) { + b->data = NULL; + b->len = 0; + b->cap = 0; +} + +static void buf_ensure(Buffer* b, size_t extra) { + size_t needed = b->len + extra; + if (needed <= b->cap) return; + size_t newcap = b->cap ? b->cap * 2 : 256; + while (newcap < needed) newcap *= 2; + b->data = (char*)realloc(b->data, newcap); + b->cap = newcap; +} + +static void buf_append(Buffer* b, const char* s, size_t n) { + if (n == 0) return; + buf_ensure(b, n); + memcpy(b->data + b->len, s, n); + b->len += n; +} + +static void buf_append_char(Buffer* b, char c) { + buf_ensure(b, 1); + b->data[b->len++] = c; +} + +static char* buf_finish(Buffer* b) { + buf_append_char(b, '\0'); + return b->data; +} + +static void buf_free(Buffer* b) { + free(b->data); + b->data = NULL; + b->len = 0; + b->cap = 0; +} + +// Append a text character with HTML whitespace collapsing. +// In non-pre mode, collapses runs of whitespace to a single space. +static void buf_append_html_char(Buffer* b, char c, int in_pre) { + if (in_pre) { + buf_append_char(b, c); + return; + } + if (c == '\n' || c == '\r' || c == '\t') c = ' '; + if (c == ' ') { + // Skip if buffer already ends with space or is empty + if (b->len == 0 || b->data[b->len - 1] == ' ' || b->data[b->len - 1] == '\n') return; + } + buf_append_char(b, c); +} + +// --- Result helpers --- + +static void result_init(HTMLConvertResult* r) { + r->elements = NULL; + r->count = 0; + r->cap = 0; + r->ok = 0; +} + +static HTMLElement* result_add(HTMLConvertResult* r) { + if (r->count >= r->cap) { + int newcap = r->cap ? r->cap * 2 : 32; + r->elements = (HTMLElement*)realloc(r->elements, sizeof(HTMLElement) * newcap); + r->cap = newcap; + } + HTMLElement* e = &r->elements[r->count++]; + e->type = HELEM_TEXT; + e->text = NULL; + e->attr1 = NULL; + e->attr2 = NULL; + return e; +} + +// Flush accumulated text buffer as a TEXT element. +static void flush_text(HTMLConvertResult* r, Buffer* buf) { + if (buf->len == 0) return; + HTMLElement* e = result_add(r); + e->type = HELEM_TEXT; + e->text = buf_finish(buf); + buf_init(buf); +} + +// --- HTML entity decoding --- + +static size_t decode_entity(const char* s, size_t len, Buffer* out) { + // s points to '&', returns number of chars consumed + if (len < 2) { buf_append_char(out, '&'); return 1; } + + // Find the ';' + size_t end = 1; + while (end < len && end < 12 && s[end] != ';') end++; + if (end >= len || s[end] != ';') { buf_append_char(out, '&'); return 1; } + + size_t ent_len = end - 1; // length of entity name (between & and ;) + const char* name = s + 1; + + // Numeric entities + if (ent_len >= 2 && name[0] == '#') { + unsigned long cp = 0; + if (name[1] == 'x' || name[1] == 'X') { + for (size_t i = 2; i < ent_len; i++) { + char c = name[i]; + if (c >= '0' && c <= '9') cp = cp * 16 + (c - '0'); + else if (c >= 'a' && c <= 'f') cp = cp * 16 + 10 + (c - 'a'); + else if (c >= 'A' && c <= 'F') cp = cp * 16 + 10 + (c - 'A'); + else break; + } + } else { + for (size_t i = 1; i < ent_len; i++) { + if (name[i] >= '0' && name[i] <= '9') cp = cp * 10 + (name[i] - '0'); + else break; + } + } + // Encode as UTF-8 + if (cp < 0x80) { + buf_append_char(out, (char)cp); + } else if (cp < 0x800) { + buf_append_char(out, (char)(0xC0 | (cp >> 6))); + buf_append_char(out, (char)(0x80 | (cp & 0x3F))); + } else if (cp < 0x10000) { + buf_append_char(out, (char)(0xE0 | (cp >> 12))); + buf_append_char(out, (char)(0x80 | ((cp >> 6) & 0x3F))); + buf_append_char(out, (char)(0x80 | (cp & 0x3F))); + } else if (cp < 0x110000) { + buf_append_char(out, (char)(0xF0 | (cp >> 18))); + buf_append_char(out, (char)(0x80 | ((cp >> 12) & 0x3F))); + buf_append_char(out, (char)(0x80 | ((cp >> 6) & 0x3F))); + buf_append_char(out, (char)(0x80 | (cp & 0x3F))); + } + return end + 1; + } + + // Named entities (common ones) + struct { const char* name; const char* value; } entities[] = { + {"lt", "<"}, {"gt", ">"}, {"amp", "&"}, {"quot", "\""}, + {"apos", "'"}, {"nbsp", " "}, {"ndash", "\xe2\x80\x93"}, + {"mdash", "\xe2\x80\x94"}, {"laquo", "\xc2\xab"}, + {"raquo", "\xc2\xbb"}, {"copy", "\xc2\xa9"}, + {"reg", "\xc2\xae"}, {"trade", "\xe2\x84\xa2"}, + {"hellip", "\xe2\x80\xa6"}, {"bull", "\xe2\x80\xa2"}, + {"rsquo", "\xe2\x80\x99"}, {"lsquo", "\xe2\x80\x98"}, + {"rdquo", "\xe2\x80\x9d"}, {"ldquo", "\xe2\x80\x9c"}, + {NULL, NULL} + }; + + for (int i = 0; entities[i].name; i++) { + if (ent_len == strlen(entities[i].name) && + strncmp(name, entities[i].name, ent_len) == 0) { + buf_append(out, entities[i].value, strlen(entities[i].value)); + return end + 1; + } + } + + // Unknown entity - pass through + buf_append(out, s, end + 1); + return end + 1; +} + +// --- Tag parsing --- + +typedef struct { + char name[64]; + int name_len; + int is_closing; + int is_self_closing; + // Attributes (we parse href, src, alt, cite) + char href[2048]; + char src[2048]; + char alt[512]; + char cite[2048]; +} Tag; + +// Case-insensitive compare for tag names. +static int tag_eq(const char* a, int alen, const char* b) { + int blen = (int)strlen(b); + if (alen != blen) return 0; + for (int i = 0; i < alen; i++) { + if (tolower((unsigned char)a[i]) != tolower((unsigned char)b[i])) return 0; + } + return 1; +} + +// Parse an attribute value (handles both quoted and unquoted). +// Returns pointer past the parsed value. +static const char* parse_attr_value(const char* p, const char* end, char* out, size_t out_size) { + if (p >= end) return p; + char quote = 0; + if (*p == '"' || *p == '\'') { + quote = *p++; + } + size_t i = 0; + while (p < end) { + if (quote) { + if (*p == quote) { p++; break; } + } else { + if (isspace((unsigned char)*p) || *p == '>' || *p == '/') break; + } + if (i < out_size - 1) out[i++] = *p; + p++; + } + out[i] = '\0'; + return p; +} + +// Parse a tag starting after '<'. Returns pointer past '>'. +static const char* parse_tag(const char* p, const char* end, Tag* tag) { + memset(tag, 0, sizeof(*tag)); + + // Skip whitespace after '<' + while (p < end && isspace((unsigned char)*p)) p++; + + // Check closing tag + if (p < end && *p == '/') { + tag->is_closing = 1; + p++; + } + + // Parse tag name + while (p < end && !isspace((unsigned char)*p) && *p != '>' && *p != '/' && + tag->name_len < 63) { + tag->name[tag->name_len++] = *p++; + } + tag->name[tag->name_len] = '\0'; + + // Parse attributes + while (p < end && *p != '>') { + // Skip whitespace + while (p < end && isspace((unsigned char)*p)) p++; + if (p >= end || *p == '>' || *p == '/') break; + + // Parse attribute name + char attr_name[64] = {0}; + int an = 0; + while (p < end && *p != '=' && *p != '>' && !isspace((unsigned char)*p) && an < 63) { + attr_name[an++] = tolower((unsigned char)*p++); + } + attr_name[an] = '\0'; + + // Skip '=' + while (p < end && isspace((unsigned char)*p)) p++; + if (p < end && *p == '=') { + p++; + while (p < end && isspace((unsigned char)*p)) p++; + + // Parse value into correct field + if (strcmp(attr_name, "href") == 0) { + p = parse_attr_value(p, end, tag->href, sizeof(tag->href)); + } else if (strcmp(attr_name, "src") == 0) { + p = parse_attr_value(p, end, tag->src, sizeof(tag->src)); + } else if (strcmp(attr_name, "alt") == 0) { + p = parse_attr_value(p, end, tag->alt, sizeof(tag->alt)); + } else if (strcmp(attr_name, "cite") == 0) { + p = parse_attr_value(p, end, tag->cite, sizeof(tag->cite)); + } else { + // Skip unknown attribute value + char discard[4096]; + p = parse_attr_value(p, end, discard, sizeof(discard)); + } + } + } + + // Check self-closing and skip past '>' + if (p < end && *p == '/') { + tag->is_self_closing = 1; + p++; + } + if (p < end && *p == '>') p++; + + return p; +} + +// --- Main parser --- + +// Tag stack for nesting tracking. +#define MAX_STACK 128 + +typedef struct { + int in_style; // Inside