DownloadRawCopy

1	#!/usr/bin/env bash
2
3	brt_browse_link() {
4	local url="$1"
5	local text="$2"
6	url=${url//\\/\\\\}
7	url=${url//;/\\;}
8	printf '\033]8;;%s\033\\%s\033]8;;\033\\' "$url" "$text"
9	}
10
11	brt_browse_read_key() {
12	local k k2 seq c
13	IFS= read -rsn1 k || return 1
14
15	if [[ $k != $'\x1b' ]]; then
16	case "$k" in
17	$'\r'|$'\n') printf 'enter' ;;
18	q|Q) printf 'quit' ;;
19	[1-5]) printf 'open:%s' "$k" ;;
20	*) printf 'other' ;;
21	esac
22	return 0
23	fi
24
25	if ! IFS= read -rsn1 -t 1 k2; then
26	printf 'esc'
27	return 0
28	fi
29
30	case "$k2" in
31	'[')
32	seq=""
33	local i
34	for (( i=0; i<3; i++ )); do
35	if IFS= read -rsn1 -t 1 c; then
36	seq+="$c"
37	[[ "$c" =~ [A-Za-z~] ]] && break
38	else
39	break
40	fi
41	done
42	case "$seq" in
43	D|'D'*) printf 'left' ;;
44	C|'C'*) printf 'right' ;;
45	A|'A'*) printf 'up' ;;
46	B|'B'*) printf 'down' ;;
47	*) printf 'esc' ;;
48	esac
49	;;
50	O)
51	if ! IFS= read -rsn1 -t 1 c; then
52	printf 'esc'
53	return 0
54	fi
55	case "$c" in
56	D) printf 'left' ;;
57	C) printf 'right' ;;
58	*) printf 'esc' ;;
59	esac
60	;;
61	*)
62	printf 'esc'
63	;;
64	esac
65	}
66
67	brt_browse_open_url() {
68	local url="$1"
69	if command -v open &>/dev/null; then
70	open "$url"
71	elif command -v xdg-open &>/dev/null; then
72	xdg-open "$url"
73	else
74	brt_info "Open: ${url}"
75	fi
76	}
77
78	brt_browse_draw() {
79	local query="$1"
80	local page="$2"
81	local cache_file="$3"
82	local total page_count start idx rank title url line item
83	local -a titles urls
84
85	total=$(python3 -c "import json; print(len(json.load(open('${cache_file}'))))" 2>/dev/null || echo 0)
86	if (( total < 1 )); then
87	brt_error "No results to display"
88	return 1
89	fi
90
91	page_count=$(( (total + 4) / 5 ))
92	if (( page < 0 )); then page=0; fi
93	if (( page >= page_count )); then page=$(( page_count - 1 )); fi
94
95	start=$(( page * 5 ))
96	local page_json
97	page_json=$(
98	python3 -c "
99	import json
100	items = json.load(open('${cache_file}'))
101	for item in items[${start}:${start}+5]:
102	print(json.dumps(item))
103	"
104	)
105
106	printf '\033[H\033[2J\033[?25l'
107	printf '\033[1mbrt browse\033[0m — %s\n\n' "$query"
108
109	titles=()
110	urls=()
111	while IFS= read -r item; do
112	[[ -z "$item" ]] && continue
113	eval "$(python3 -c "
114	import json, shlex, sys
115	item = json.loads(sys.argv[1])
116	print('title=' + shlex.quote(item.get('title', '')))
117	print('url=' + shlex.quote(item.get('url', '')))
118	" "$item")"
119	titles+=("$title")
120	urls+=("$url")
121	done <<< "$page_json"
122
123	for idx in "${!titles[@]}"; do
124	rank=$(( start + idx + 1 ))
125	title="${titles[$idx]}"
126	url="${urls[$idx]}"
127	[[ -z "$title" ]] && continue
128	printf ' \033[1m%d.\033[0m ' "$rank"
129	brt_browse_link "$url" "$title"
130	printf '\n \033[2m'
131	brt_browse_link "$url" "$url"
132	printf '\033[0m\n\n'
133	done
134
135	line=$(( start + 1 ))
136	if (( start + 5 > total )); then
137	line_end=$total
138	else
139	line_end=$(( start + 5 ))
140	fi
141
142	printf '\033[2m'
143	printf 'Showing %d-%d of %d' "$line" "$line_end" "$total"
144	if (( page_count > 1 )); then
145	printf ' · page %d/%d' "$(( page + 1 ))" "$page_count"
146	fi
147	printf '\n'
148	printf '← → change page · 1-5 open result · q quit\033[0m\n'
149	printf '\033[?25h'
150	}
151
152	brt_browse() {
153	local query="${1:-}"
154	local cache_file page=0 key rank url total page_count
155	local old_stty=""
156
157	if [[ -z "$query" ]]; then
158	brt_error 'Usage: brt -browse "search query"'
159	brt_info "Shows top search results with clickable links (Google when configured)"
160	brt_info "← → to paginate (1-5, 6-10, … up to 25) · 1-5 opens a result"
161	brt_info "Optional: brt -config (or BRT_GOOGLE_API_KEY + BRT_GOOGLE_CX)"
162	exit 1
163	fi
164
165	if ! command -v python3 &>/dev/null; then
166	brt_error "python3 is required for brt -browse"
167	exit 1
168	fi
169
170	if ! command -v curl &>/dev/null; then
171	brt_error "curl is required for brt -browse"
172	exit 1
173	fi
174
175	brt_info "Searching for: ${query}"
176	cache_file=$(mktemp "${TMPDIR:-/tmp}/brt-browse.XXXXXX")
177	err_file=$(mktemp "${TMPDIR:-/tmp}/brt-browse-err.XXXXXX")
178	if ! python3 "${BRT_LIB}/browse.py" search "$query" 25 >"$cache_file" 2>"$err_file"; then
179	[[ -s "$err_file" ]] && cat "$err_file" >&2
180	rm -f "$cache_file" "$err_file"
181	exit 1
182	fi
183	[[ -s "$err_file" ]] && cat "$err_file" >&2
184	rm -f "$err_file"
185
186	if [[ ! -s "$cache_file" ]] || ! python3 -c "import json; json.load(open('${cache_file}'))" 2>/dev/null; then
187	brt_error "Could not fetch Google search results"
188	rm -f "$cache_file"
189	exit 1
190	fi
191
192	if ! old_stty=$(stty -g 2>/dev/null); then
193	brt_browse_draw "$query" "$page" "$cache_file"
194	rm -f "$cache_file"
195	return 0
196	fi
197
198	stty -echo -icanon min 1 time 0 2>/dev/null || true
199	trap 'stty "$old_stty" 2>/dev/null; printf "\033[?25h"; rm -f "$cache_file"; trap - EXIT INT TERM' EXIT INT TERM
200
201	while true; do
202	brt_browse_draw "$query" "$page" "$cache_file" || break
203	key=$(brt_browse_read_key || echo quit)
204	case "$key" in
205	left)
206	if (( page > 0 )); then
207	((page--)) || true
208	fi
209	;;
210	right)
211	total=$(python3 -c "import json; print(len(json.load(open('${cache_file}'))))")
212	page_count=$(( (total + 4) / 5 ))
213	if (( page + 1 < page_count )); then
214	((page++)) || true
215	fi
216	;;
217	open:*)
218	rank=${key#open:}
219	url=$(python3 -c "
220	import json
221	items = json.load(open('${cache_file}'))
222	idx = ${page} * 5 + int('${rank}') - 1
223	print(items[idx]['url'] if 0 <= idx < len(items) else '')
224	")
225	if [[ -n "$url" ]]; then
226	stty "$old_stty" 2>/dev/null || true
227	printf '\033[?25h\n'
228	brt_browse_open_url "$url"
229	stty -echo -icanon min 1 time 0 2>/dev/null || true
230	fi
231	;;
232	quit|esc)
233	break
234	;;
235	esac
236	done
237
238	stty "$old_stty" 2>/dev/null || true
239	printf '\033[?25h\n'
240	rm -f "$cache_file"
241	trap - EXIT INT TERM
242	}
243