0.1.6 updates and add changelog

2026-05-28 01:49:33 +08:00
parent 16847a78ca
commit afbf504957
14 changed files with 385 additions and 21 deletions
--- a/standalone/changelog.go
+++ b/standalone/changelog.go
@@ -0,0 +1,116 @@
+package main
+
+import (
+	"html"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func ChangelogPage(w http.ResponseWriter, r *http.Request) {
+	markdown := readChangelog()
+	body := `
+<header class="tool-header">
+  <h2 class="tool-title">Changelog</h2>
+  <p class="tool-description">Loaded from CHANGELOG.md.</p>
+</header>
+<section class="tool-panel changelog-panel">
+  <div class="panel-body changelog-content">
+` + renderChangelogMarkdown(markdown) + `
+  </div>
+</section>
+<style>
+  .changelog-panel { max-width: 840px; }
+  .changelog-content h1 { margin: 0 0 14px; font-size: 20px; line-height: 1.25; }
+  .changelog-content h2 { margin: 18px 0 8px; padding-top: 12px; border-top: 1px solid #333; font-size: 15px; line-height: 1.3; }
+  .changelog-content ul { margin: 6px 0 12px; padding-left: 20px; }
+  .changelog-content li { margin: 4px 0; line-height: 1.45; }
+  .changelog-content p { margin: 8px 0; line-height: 1.5; }
+</style>`
+
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	_, _ = w.Write([]byte(Page("/changelog", "Changelog", body)))
+}
+
+func readChangelog() string {
+	for _, start := range changelogSearchRoots() {
+		for _, candidate := range changelogCandidates(start) {
+			data, err := os.ReadFile(candidate)
+			if err == nil {
+				return string(data)
+			}
+		}
+	}
+	return "# Changelog\n\nCHANGELOG.md was not found."
+}
+
+func changelogSearchRoots() []string {
+	roots := []string{}
+	if wd, err := os.Getwd(); err == nil {
+		roots = append(roots, wd)
+	}
+	roots = append(roots, appDir())
+	return roots
+}
+
+func changelogCandidates(start string) []string {
+	candidates := []string{}
+	dir := filepath.Clean(start)
+	for i := 0; i < 5; i++ {
+		candidates = append(candidates, filepath.Join(dir, "CHANGELOG.md"))
+		parent := filepath.Dir(dir)
+		if parent == dir {
+			break
+		}
+		dir = parent
+	}
+	return candidates
+}
+
+func renderChangelogMarkdown(markdown string) string {
+	lines := strings.Split(strings.ReplaceAll(markdown, "\r\n", "\n"), "\n")
+	var out strings.Builder
+	inList := false
+	closeList := func() {
+		if inList {
+			out.WriteString("</ul>")
+			inList = false
+		}
+	}
+
+	for _, rawLine := range lines {
+		line := strings.TrimSpace(rawLine)
+		if line == "" {
+			closeList()
+			continue
+		}
+		if strings.HasPrefix(line, "### ") {
+			closeList()
+			out.WriteString("<h2>" + html.EscapeString(strings.TrimSpace(line[4:])) + "</h2>")
+			continue
+		}
+		if strings.HasPrefix(line, "## ") {
+			closeList()
+			out.WriteString("<h2>" + html.EscapeString(strings.TrimSpace(line[3:])) + "</h2>")
+			continue
+		}
+		if strings.HasPrefix(line, "# ") {
+			closeList()
+			out.WriteString("<h1>" + html.EscapeString(strings.TrimSpace(line[2:])) + "</h1>")
+			continue
+		}
+		if strings.HasPrefix(line, "- ") {
+			if !inList {
+				out.WriteString("<ul>")
+				inList = true
+			}
+			out.WriteString("<li>" + html.EscapeString(strings.TrimSpace(line[2:])) + "</li>")
+			continue
+		}
+		closeList()
+		out.WriteString("<p>" + html.EscapeString(line) + "</p>")
+	}
+	closeList()
+	return out.String()
+}