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|
package org
import (
"strconv"
"strings"
)
func isSecondBlankLine(d *Document, i int) bool {
if i-1 <= 0 {
return false
}
t1, t2 := d.tokens[i-1], d.tokens[i]
if t1.kind == "text" && t2.kind == "text" && t1.content == "" && t2.content == "" {
return true
}
return false
}
func isImageOrVideoLink(n Node) bool {
if l, ok := n.(RegularLink); ok && l.Kind() == "video" || l.Kind() == "image" {
return true
}
return false
}
// Parse ranges like this:
// "3-5" -> [[3, 5]]
// "3 8-10" -> [[3, 3], [8, 10]]
// "3 5 6" -> [[3, 3], [5, 5], [6, 6]]
//
// This is Hugo's hlLinesToRanges with "startLine" removed and errors
// ignored.
func ParseRanges(s string) [][2]int {
var ranges [][2]int
s = strings.TrimSpace(s)
if s == "" {
return ranges
}
fields := strings.Split(s, " ")
for _, field := range fields {
field = strings.TrimSpace(field)
if field == "" {
continue
}
numbers := strings.Split(field, "-")
var r [2]int
if len(numbers) > 1 {
first, err := strconv.Atoi(numbers[0])
if err != nil {
return ranges
}
second, err := strconv.Atoi(numbers[1])
if err != nil {
return ranges
}
r[0] = first
r[1] = second
} else {
first, err := strconv.Atoi(numbers[0])
if err != nil {
return ranges
}
r[0] = first
r[1] = first
}
ranges = append(ranges, r)
}
return ranges
}
func IsNewLineChar(r rune) bool {
return r == '\n' || r == '\r'
}
|
