alex/md2vim
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This commit is contained in:
Alex Yatskov 2015-08-08 19:58:23 +09:00
parent 76c8629326
commit 40d65a4393
1 changed files with 36 additions and 22 deletions
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56
vimdoc.go
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@ -25,7 +25,6 @@ package main
import (
"bytes"
"fmt"
"go/doc"
"log"
"strings"
@ -37,23 +36,20 @@ const (
LIST_STYLE_UNORDERED
)
func indent(text []byte) []byte {
return nil
}
type listItem struct {
style, index int
}
type vimDoc struct {
lists []*listItem
cols, tabsize int
}
func (v *vimDoc) pushList(style int) {
func (v *vimDoc) pushl(style int) {
v.lists = append(v.lists, &listItem{style, 1})
}
func (v *vimDoc) popList() {
func (v *vimDoc) popl() {
if len(v.lists) == 0 {
log.Fatal("invalid list operation")
}
@ -61,7 +57,7 @@ func (v *vimDoc) popList() {
v.lists = v.lists[:len(v.lists)-1]
}
func (v *vimDoc) getList() *listItem {
func (v *vimDoc) getl() *listItem {
if len(v.lists) == 0 {
log.Fatal("invalid list operation")
}
@ -70,7 +66,10 @@ func (v *vimDoc) getList() *listItem {
}
func VimDocRenderer() blackfriday.Renderer {
return &vimDoc{}
return &vimDoc{
cols: 80,
tabsize: 4,
}
}
func (*vimDoc) hrule(out *bytes.Buffer, repeat string) {
@ -78,26 +77,41 @@ func (*vimDoc) hrule(out *bytes.Buffer, repeat string) {
out.WriteString("\n")
}
func (*vimDoc) formatText(out *bytes.Buffer, text string, level int) {
doc.ToText(out, string(text), strings.Repeat(" ", 4*level), "", 80)
func (v *vimDoc) format(out *bytes.Buffer, text string, trim int) {
lines := strings.Split(text, "\n")
for index, line := range lines {
width := v.tabsize
if index == 0 {
width -= trim
}
if len(line) == 0 {
continue
}
out.WriteString(strings.Repeat(" ", width))
out.WriteString(line)
out.WriteString("\n")
}
}
// Block-level callbacks
func (v *vimDoc) BlockCode(out *bytes.Buffer, text []byte, lang string) {
out.WriteString(">\n")
v.formatText(out, string(text), 1)
v.format(out, string(text), 0)
out.WriteString("<\n\n")
}
func (v *vimDoc) BlockQuote(out *bytes.Buffer, text []byte) {
out.WriteString(">\n")
v.formatText(out, string(text), 1)
v.format(out, string(text), 0)
out.WriteString("<\n\n")
}
func (v *vimDoc) BlockHtml(out *bytes.Buffer, text []byte) {
out.WriteString(">\n")
v.formatText(out, string(text), 1)
v.format(out, string(text), 0)
out.WriteString("<\n\n")
}
@ -129,14 +143,15 @@ func (v *vimDoc) List(out *bytes.Buffer, text func() bool, flags int) {
style = LIST_STYLE_ORDERED
}
v.pushList(style)
v.pushl(style)
text()
v.popList()
v.popl()
}
func (v *vimDoc) ListItem(out *bytes.Buffer, text []byte, flags int) {
list := v.getList()
marker := out.Len()
list := v.getl()
if list.style == LIST_STYLE_ORDERED {
out.WriteString(fmt.Sprintf("%d. ", list.index))
list.index++
@ -144,9 +159,8 @@ func (v *vimDoc) ListItem(out *bytes.Buffer, text []byte, flags int) {
out.WriteString("* ")
}
out.Write(text)
v.format(out, string(text), out.Len()-marker)
out.WriteString("\n")
if flags&blackfriday.LIST_ITEM_END_OF_LIST == blackfriday.LIST_ITEM_END_OF_LIST {
out.WriteString("\n")
}
@ -202,7 +216,9 @@ func (*vimDoc) AutoLink(out *bytes.Buffer, link []byte, kind int) {
}
func (*vimDoc) CodeSpan(out *bytes.Buffer, text []byte) {
out.WriteString("`")
out.Write(text)
out.WriteString("`")
}
func (*vimDoc) DoubleEmphasis(out *bytes.Buffer, text []byte) {
@ -247,12 +263,10 @@ func (*vimDoc) FootnoteRef(out *bytes.Buffer, ref []byte, id int) {
// Low-level callbacks
func (v *vimDoc) Entity(out *bytes.Buffer, entity []byte) {
out.Write(entity)
// v.formatText(out, string(entity), 0)
}
func (v *vimDoc) NormalText(out *bytes.Buffer, text []byte) {
out.Write(text)
// v.formatText(out, string(text), 0)
}
// Header and footer