Fix parse package import

parse/posts.go

@@ -0,0 +1,66 @@
+package parse
+
+import (
+	"github.com/writeas/web-core/stringmanip"
+	"regexp"
+	"strings"
+)
+
+var (
+	titleElementReg = regexp.MustCompile("</?p>")
+	urlReg          = regexp.MustCompile("https?://")
+	imgReg          = regexp.MustCompile(`!\[([^]]+)\]\([^)]+\)`)
+)
+
+// PostLede attempts to extract the first thought of the given post, generally
+// contained within the first line or sentence of text.
+func PostLede(t string, includePunc bool) string {
+	// Adjust where we truncate if we want to include punctuation
+	iAdj := 0
+	if includePunc {
+		iAdj = 1
+	}
+
+	// Find lede within first line of text
+	nl := strings.IndexRune(t, '\n')
+	if nl > -1 {
+		t = t[:nl]
+	}
+
+	// Strip certain HTML tags
+	t = titleElementReg.ReplaceAllString(t, "")
+
+	// Strip URL protocols
+	t = urlReg.ReplaceAllString(t, "")
+
+	// Strip image URL, leaving only alt text
+	t = imgReg.ReplaceAllString(t, " $1 ")
+
+	// Find lede within first sentence
+	punc := strings.Index(t, ". ")
+	if punc > -1 {
+		t = t[:punc+iAdj]
+	}
+	punc = stringmanip.IndexRune(t, '。')
+	if punc > -1 {
+		c := []rune(t)
+		t = string(c[:punc+iAdj])
+	}
+
+	return t
+}
+
+// TruncToWord truncates the given text to the provided limit.
+func TruncToWord(s string, l int) (string, bool) {
+	truncated := false
+	c := []rune(s)
+	if len(c) > l {
+		truncated = true
+		s = string(c[:l])
+		spaceIdx := strings.LastIndexByte(s, ' ')
+		if spaceIdx > -1 {
+			s = s[:spaceIdx]
+		}
+	}
+	return s, truncated
+}