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#!/usr/bin/env sh
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# surf_linkselect.sh:
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# Usage: curl somesite.com | surf_linkselect [SURFWINDOWID] [PROMPT]
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# Deps: xmllint, dmenu
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# Info:
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# Designed to be used w/ surf externalpipe patch. Enables keyboard-only
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# link selection via dmenu. Given HTML stdin, extracts links one per line
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# Selected link is normalized based on current URI and printed to STDOUT.
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# Pipe the result to a new surf or xprop _SURF_URI accordingly.
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SURF_WINDOW="${1:-$(xprop -root | sed -n '/^_NET_ACTIVE_WINDOW/ s/.* //p')}"
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DMENU_PROMPT="${2:-Link}"
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dump_links_with_titles() {
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awk '{
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input = $0;
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$0 = input;
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gsub("<[^>]*>", "");
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gsub(/[ ]+/, " ");
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gsub("&", "\\&");
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gsub("<", "<");
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gsub(">", ">");
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$1 = $1;
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title = ($0 == "" ? "None" : $0);
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$0 = input;
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match($0, /\<[ ]*[aA][^>]* [hH][rR][eE][fF]=["]([^"]+)["]/, linkextract);
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$0 = linkextract[1];
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gsub(/^[ \t]+/,"");
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gsub(/[ \t]+$/,"");
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gsub("[ ]", "%20");
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link = $0;
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if (link != "") {
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print title ": " link;
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}
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}'
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}
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link_normalize() {
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URI=$1
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awk -v uri="$URI" '{
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gsub("&", "\\&");
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if ($0 ~ /^https?:\/\// || $0 ~ /^\/\/.+$/) {
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print $0;
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} else if ($0 ~/^#/) {
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gsub(/[#?][^#?]+/, "", uri);
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print uri $0;
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} else if ($0 ~/^\//) {
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split(uri, uri_parts, "/");
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print uri_parts[3] $0;
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} else {
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gsub(/[#][^#]+/, "", uri);
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uri_parts_size = split(uri, uri_parts, "/");
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delete uri_parts[uri_parts_size];
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for (v in uri_parts) {
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uri_pagestripped = uri_pagestripped uri_parts[v] "/"
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}
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print uri_pagestripped $0;
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}
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}'
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}
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link_select() {
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tr '\n\r' ' ' |
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xmllint --html --xpath "//a" - |
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dump_links_with_titles |
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awk '!x[$0]++' |
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# sort | uniq
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dmenu -p "$DMENU_PROMPT" -i |
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awk -F' ' '{print $NF}' |
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link_normalize "$(xprop -id "$SURF_WINDOW" _SURF_URI | cut -d '"' -f 2)"
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}
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sxmo_keyboard.sh open
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VAL="$(link_select)"
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sxmo_keyboard.sh close
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echo "$VAL"
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