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