From 97e935a1947291d6b422877906dbb75e22b05e2d Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@trenchant.org>
Date: Sat, 8 Jun 2019 17:02:44 -0700
Subject: some hacky regex url/img extraction stuff

---
 main.go          |  2 +-
 post/post.go     |  6 ++++++
 render/render.go | 33 +++++++++++++++++++++++++++++++--
 3 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/main.go b/main.go
index 3cb6f57..18f315f 100644
--- a/main.go
+++ b/main.go
@@ -39,7 +39,7 @@ func main() {
 	}
 	if help {
 		flag.Usage()
-		fmt.Printf("code and docs: https://github.com/adammathes/snkt \n")
+		fmt.Printf("code and docs: https://git.adammathes.com/snkt \n")
 		return
 	}
 
diff --git a/post/post.go b/post/post.go
index 7fa7e90..5860eee 100644
--- a/post/post.go
+++ b/post/post.go
@@ -41,6 +41,8 @@ type Post struct {
 	InFuture   bool
 	WordCount  int
 	Tags       []string
+	Urls       []string
+	Imgs       []string
 
 	// Content text -- raw, unprocessed, unfiltered markdown
 	Text string
@@ -220,6 +222,10 @@ func (p *Post) parse() {
 			p.Tags = append(p.Tags, NormalizeTag(tag))
 		}
 	}
+
+	// Images and URLs
+	p.Urls = render.FindURLs(p.AbsoluteContent)
+	p.Imgs = render.FindImgs(p.AbsoluteContent)
 }
 
 /*
diff --git a/render/render.go b/render/render.go
index bf53208..9698ad8 100644
--- a/render/render.go
+++ b/render/render.go
@@ -15,8 +15,7 @@ import (
 
 var templates map[string]*template.Template
 var BASE_TEMPLATE = "base"
-var rel_href *regexp.Regexp
-var rel_src *regexp.Regexp
+var rel_href, rel_src, re_href, re_src *regexp.Regexp
 
 /*
 Renderable interface - objects that render themeslves to a []byte and
@@ -86,6 +85,8 @@ func Init() {
 	}
 	rel_href = regexp.MustCompile(`href="/(.+)"`)
 	rel_src = regexp.MustCompile(`src="/(.+)"`)
+	re_href = regexp.MustCompile(`href="(.*?)"`)
+	re_src = regexp.MustCompile(`src="(.*?)"`)
 }
 
 /*
@@ -129,6 +130,34 @@ func ResolveURLs(html, prefix string) string {
 	return string(bts)
 }
 
+/*
+Finds all URLs that are hrefs
+TODO: replace noisy regex with HTML parser
+*/
+func FindURLs(html string) []string {
+	//	bts := []byte(html)
+	hrefs := re_href.FindAllStringSubmatch(html, -1)
+	var urls []string
+	for _, href := range hrefs {
+		urls = append(urls, href[1])
+	}
+	return urls
+}
+
+/*
+Finds all img urls via img src tags
+TODO: replace noisy regex with HTML parser
+*/
+func FindImgs(html string) []string {
+	//	bts := []byte(html)
+	srcs := re_src.FindAllStringSubmatch(html, -1)
+	var imgs []string
+	for _, src := range srcs {
+		imgs = append(imgs, src[1])
+	}
+	return imgs
+}
+
 /*
 Runs all regex filters specified in config.Config.Filters
 */
-- 
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