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add html format, handle lazy loading images

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This commit is contained in:
lapwat
2022-08-09 18:21:18 +02:00
parent 97e7d7a5bb
commit d73ae0a73b
8 changed files with 137 additions and 19 deletions
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43
book/format.go
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@@ -24,6 +24,7 @@ func Filename(name string) string {
func ToMarkdownString(c chapter) string {
markdown := ""
// chapter content
if c.config.Include {
// title
markdown += fmt.Sprintf("%s\n", c.Name())
@@ -37,8 +38,8 @@ func ToMarkdownString(c chapter) string {
markdown += fmt.Sprintf("%s\n\n\n", content)
}
// subchapters content
for _, sc := range c.SubChapters() {
// subchapters content
markdown += fmt.Sprintf("%s\n\n\n", ToMarkdownString(sc))
}
@@ -66,6 +67,44 @@ func ToMarkdown(c chapter, filename string) string {
return filename
}
func ToHtmlString(c chapter) string {
html := ""
// chapter content
if c.config.Include {
html += fmt.Sprintf("<h1>%s</h1>", c.Name())
html += c.Content()
}
// subchapters content
for _, sc := range c.SubChapters() {
html += ToHtmlString(sc)
}
return html
}
func ToHtml(c chapter, filename string) string {
if len(filename) == 0 {
filename = fmt.Sprintf("%s.html", Filename(c.Name()))
}
html := fmt.Sprintf("<html><head></head><body>%s</body></html>", ToHtmlString(c))
// write to file
f, err := os.Create(filename)
if err != nil {
log.Fatal(err)
}
_, err2 := f.WriteString(html)
if err2 != nil {
log.Fatal(err2)
}
f.Close()
return filename
}
func ToEpub(c chapter, filename string) string {
if len(filename) == 0 {
filename = fmt.Sprintf("%s.epub", Filename(c.Name()))
@@ -88,6 +127,7 @@ func ToEpub(c chapter, filename string) string {
func AppendToEpub(e *epub.Epub, c chapter) {
content := ""
// chapter content
if c.config.Include {
if c.config.ImagesOnly == false {
@@ -129,6 +169,7 @@ func AppendToEpub(e *epub.Epub, c chapter) {
}
// subchapters content
for _, sc := range c.SubChapters() {
AppendToEpub(e, sc)
}