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basics working, still a few renderers to write

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This commit is contained in:
Russ Ross 2011-05-26 22:27:33 -06:00
parent 871273161b
commit 48923aa47f
1 changed files with 160 additions and 17 deletions
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177
markdown.go
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@ -330,9 +330,9 @@ func parse_inline(ob *bytes.Buffer, rndr *render, data []byte) {
}
if rndr.mk.normal_text != nil {
rndr.mk.normal_text(ob, data[i:], rndr.mk.opaque)
rndr.mk.normal_text(ob, data[i:end], rndr.mk.opaque)
} else {
ob.Write(data[i:])
ob.Write(data[i:end])
}
if end >= len(data) {
@ -439,7 +439,7 @@ func char_codespan(ob *bytes.Buffer, rndr *render, data []byte, offset int) int
return 0
}
if f_begin < f_end {
if rndr.mk.codespan(ob, data[f_end:f_end], rndr.mk.opaque) == 0 {
if rndr.mk.codespan(ob, data[f_begin:f_end], rndr.mk.opaque) == 0 {
end = 0
}
} else {
@ -1048,9 +1048,9 @@ func find_emph_char(data []byte, c byte) int {
for i < len(data) && data[i] != c && data[i] != '`' && data[i] != '[' {
i++
}
if i >= len(data) {
return 0
}
if i >= len(data) {
return 0
}
if data[i] == c {
return i
}
@ -2404,6 +2404,12 @@ func rndr_blockcode(ob *bytes.Buffer, text []byte, lang string, opaque interface
ob.WriteString("</code></pre>\n")
}
func rndr_blockquote(ob *bytes.Buffer, text []byte, opaque interface{}) {
ob.WriteString("<blockquote>\n")
ob.Write(text)
ob.WriteString("</blockquote>\n")
}
func rndr_table(ob *bytes.Buffer, header []byte, body []byte, opaque interface{}) {
if ob.Len() > 0 {
ob.WriteByte('\n')
@ -2516,16 +2522,136 @@ func rndr_paragraph(ob *bytes.Buffer, text []byte, opaque interface{}) {
ob.WriteString("</p>\n")
}
func rndr_emphasis(ob *bytes.Buffer, text []byte, opaque interface{}) int {
if len(text) == 0 {
return 0
}
ob.WriteString("<em>")
ob.Write(text)
ob.WriteString("</em>")
return 1
func rndr_autolink(ob *bytes.Buffer, text []byte, kind int, opaque interface{}) int {
return 1
}
func rndr_codespan(ob *bytes.Buffer, text []byte, opaque interface{}) int {
ob.WriteString("<code>")
attr_escape(ob, text)
ob.WriteString("</code>")
return 1
}
func rndr_double_emphasis(ob *bytes.Buffer, text []byte, opaque interface{}) int {
if len(text) == 0 {
return 0
}
ob.WriteString("<strong>")
ob.Write(text)
ob.WriteString("</strong>")
return 1
}
func rndr_emphasis(ob *bytes.Buffer, text []byte, opaque interface{}) int {
if len(text) == 0 {
return 0
}
ob.WriteString("<em>")
ob.Write(text)
ob.WriteString("</em>")
return 1
}
func rndr_image(ob *bytes.Buffer, link []byte, title []byte, alt []byte, opaque interface{}) int {
return 1
}
func rndr_linebreak(ob *bytes.Buffer, opaque interface{}) int {
options := opaque.(*html_renderopts)
ob.WriteString("<br")
ob.WriteString(options.close_tag)
return 1
}
func rndr_link(ob *bytes.Buffer, link []byte, title []byte, content []byte, opaque interface{}) int {
return 1
}
func rndr_raw_html_tag(ob *bytes.Buffer, text []byte, opaque interface{}) int {
options := opaque.(*html_renderopts)
if options.flags&HTML_SKIP_HTML != 0 {
return 1
}
if options.flags&HTML_SKIP_STYLE != 0 && is_html_tag(text, "style") {
return 1
}
if options.flags&HTML_SKIP_LINKS != 0 && is_html_tag(text, "a") {
return 1
}
if options.flags&HTML_SKIP_IMAGES != 0 && is_html_tag(text, "img") {
return 1
}
ob.Write(text)
return 1
}
func rndr_triple_emphasis(ob *bytes.Buffer, text []byte, opaque interface{}) int {
if len(text) == 0 {
return 0
}
ob.WriteString("<strong><em>")
ob.Write(text)
ob.WriteString("</em></strong>")
return 1
}
func rndr_strikethrough(ob *bytes.Buffer, text []byte, opaque interface{}) int {
if len(text) == 0 {
return 0
}
ob.WriteString("<del>")
ob.Write(text)
ob.WriteString("</del>")
return 1
}
func rndr_normal_text(ob *bytes.Buffer, text []byte, opaque interface{}) {
attr_escape(ob, text)
}
func is_html_tag(tag []byte, tagname string) bool {
i := 0
if i < len(tag) && tag[0] != '<' {
return false
}
i++
for i < len(tag) && unicode.IsSpace(int(tag[i])) {
i++
}
if i < len(tag) && tag[i] == '/' {
i++
}
for i < len(tag) && unicode.IsSpace(int(tag[i])) {
i++
}
tag_i := i
for ; i < len(tag); i, tag_i = i+1, tag_i+1 {
if tag_i >= len(tagname) {
break
}
if tag[i] != tagname[tag_i] {
return false
}
}
if i == len(tag) {
return false
}
return unicode.IsSpace(int(tag[i])) || tag[i] == '>'
}
//
//
// Main and public interface
//
//
func main() {
ob := bytes.NewBuffer(nil)
@ -2591,14 +2717,15 @@ func main() {
input += "\n"
input += "> It is now time for all good men to come to the aid of their country. \n"
input += "\n"
input += "A final paragraph.\n"
input += "A final paragraph. `code this` fool\n"
input += "\n"
input += " [1]: http://www.google.com\n"
input += " [2]: http://www.google.com/intl/en_ALL/images/logo.gif\n"
ib := []byte(input)
rndrer := new(mkd_renderer)
rndrer.blockcode = rndr_blockcode
rndrer.blockquote = rndr_blockquote
rndrer.blockhtml = rndr_raw_block
rndrer.header = rndr_header
rndrer.hrule = rndr_hrule
@ -2609,11 +2736,27 @@ func main() {
rndrer.table_row = rndr_tablerow
rndrer.table_cell = rndr_tablecell
rndrer.emphasis = rndr_emphasis
rndrer.autolink = rndr_autolink
rndrer.codespan = rndr_codespan
rndrer.double_emphasis = rndr_double_emphasis
rndrer.emphasis = rndr_emphasis
rndrer.image = rndr_image
rndrer.linebreak = rndr_linebreak
rndrer.link = rndr_link
rndrer.raw_html_tag = rndr_raw_html_tag
rndrer.triple_emphasis = rndr_triple_emphasis
rndrer.strikethrough = rndr_strikethrough
rndrer.normal_text = rndr_normal_text
rndrer.opaque = &html_renderopts{close_tag: " />"}
var extensions uint32 = MKDEXT_FENCED_CODE | MKDEXT_TABLES
// call the main rendered function
Markdown(ob, ib, rndrer, extensions)
// print the result
fmt.Print(ob.String())
}