2013-09-03 18:38:20 -04:00
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package hugolib
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import (
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"bytes"
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"os/exec"
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"strings"
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2014-03-31 13:23:34 -04:00
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jww "github.com/spf13/jwalterweatherman"
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2013-09-03 18:38:20 -04:00
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)
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var summaryLength = 70
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var summaryDivider = []byte("<!--more-->")
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func TotalWords(s string) int {
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return len(strings.Fields(s))
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}
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func WordCount(s string) map[string]int {
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m := make(map[string]int)
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for _, f := range strings.Fields(s) {
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m[f] += 1
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}
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return m
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}
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func RemoveSummaryDivider(content []byte) []byte {
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return bytes.Replace(content, summaryDivider, []byte(""), -1)
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}
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func TruncateWords(s string, max int) string {
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words := strings.Fields(s)
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if max > len(words) {
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return strings.Join(words, " ")
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}
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return strings.Join(words[:max], " ")
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}
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func TruncateWordsToWholeSentence(s string, max int) string {
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words := strings.Fields(s)
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if max > len(words) {
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return strings.Join(words, " ")
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}
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for counter, word := range words[max:] {
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if strings.HasSuffix(word, ".") ||
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strings.HasSuffix(word, "?") ||
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strings.HasSuffix(word, ".\"") ||
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strings.HasSuffix(word, "!") {
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return strings.Join(words[:max+counter+1], " ")
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}
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}
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return strings.Join(words[:max], " ")
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}
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func getRstContent(content []byte) string {
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cleanContent := bytes.Replace(content, summaryDivider, []byte(""), 1)
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cmd := exec.Command("rst2html.py", "--leave-comments")
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cmd.Stdin = bytes.NewReader(cleanContent)
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var out bytes.Buffer
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cmd.Stdout = &out
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if err := cmd.Run(); err != nil {
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2014-03-31 13:23:34 -04:00
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jww.ERROR.Println(err)
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2013-09-03 18:38:20 -04:00
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}
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rstLines := strings.Split(out.String(), "\n")
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for i, line := range rstLines {
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if strings.HasPrefix(line, "<body>") {
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rstLines = (rstLines[i+1 : len(rstLines)-3])
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}
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}
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return strings.Join(rstLines, "\n")
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}
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