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#!/bin/sh
# Vars {{{
readonly PROGNAME=$(basename "${0}")
readonly NBARGS="${#}"
## Test if DEBUG is already defined (by parent script,…)
[ -z "${DEBUG}" ] && DEBUG=1
## Colors
readonly PURPLE='\033[1;35m'
readonly RED='\033[0;31m'
readonly RESET='\033[0m'
readonly COLOR_DEBUG="${PURPLE}"
# }}}
usage() { # {{{
cat <<- EOF
usage: $PROGNAME [--debug,--help]
Try to open Qutebrowser content (bookmarks, buffers,…).
EXAMPLES:
- Display content if Qutebrowser is already opened
${PROGNAME}
OPTIONS:
-d,--debug
Enable debug messages.
-h,--help
Print this help message.
EOF
}
# }}}
define_vars() { # {{{
## Test if BROWSER is already defined (by parent script,…)
[ -z "${BROWSER}" ] && BROWSER="qutebrowser"
## List of process pattern to monitor
qutebrowser_proc_pattern="(qutebrowser)"
## Rofi colors
black="#000000"
blue="#0094cc"
## Store selected content to a temp file
choice_temp_file="$(mktemp -t ${PROGNAME}-XXXXXX.tmp)"
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## Variables to get Qutebrowser currents buffers
QUTEBROWSER_SESSION_FILE="/tmp/qutebrowser_buffers_zsbd"
QUTEBROWSER_SOCKET_FILE="${XDG_RUNTIME_DIR}/qutebrowser/ipc-$(echo -n "$USER" | md5sum | cut -d' ' -f1)"
QUTEBROWSER_GLOBAL_CONTENT="/tmp/qutebrowser_global_content"
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rm -f -- "${QUTEBROWSER_GLOBAL_CONTENT}" ; touch "${QUTEBROWSER_GLOBAL_CONTENT}"
## Variables to get Qutebrowser *marks from current user
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QUTEBROWSER_QUICKMARK_FILE="${HOME}/.config/qutebrowser/quickmarks"
QUTEBROWSER_BOOKMARK_FILE="${HOME}/.config/qutebrowser/bookmarks/urls"
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## Qutebrowser search engines from current user configuration
QUTEBROWSER_SEARCHENGINE_FILE="${HOME}/.config/qutebrowser/config.py"
QUTEBROWSER_SEARCHENGINE_LIST="/tmp/qutebrowser_searchengine.list"
rm -f -- "${QUTEBROWSER_SEARCHENGINE_LIST}" ; touch "${QUTEBROWSER_SEARCHENGINE_LIST}"
## Default window pattern to search
QUTEBROWSER_WINDOW_TITLE="qutebrowser"
}
# }}}
debug_message() { # {{{
local_debug_message="${1}"
## Print message if DEBUG is enable (=0)
[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG ${PROGNAME}: ${local_debug_message}"
return 0
}
# }}}
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error_message() { # {{{
local_error_message="${1}"
local_error_code="${2}"
## Print message if DEBUG is enable (=0)
[ "${DEBUG}" -eq "0" ] && printf '%b\n' "ERROR ${PROGNAME}: ${RED}${local_error_message}${RESET}"
exit "${local_error_code:=66}"
}
# }}}
is_proc_running() { # {{{
local_proc_pattern="${1}"
local_count_proc_pattern="$(pgrep -f -- "${local_proc_pattern}" | wc -l)"
case "${local_count_proc_pattern}" in
0 ) ## No procs related to this pattern are running
return_proc_running="1"
;;
* ) ## At least one proc seems running
return_proc_running="0"
;;
esac
## Simple debug message to valid current variables
debug_message "is_proc_running \
procs running (with the pattern: ${RED}${local_proc_pattern}${COLOR_DEBUG}) on the current host: ${RED}${local_count_proc_pattern}${COLOR_DEBUG}."
return "${return_proc_running}"
}
# }}}
start_qutebrowser() { # {{{
return_start_qutebrowser="1"
if is_proc_running "${qutebrowser_proc_pattern}"; then
debug_message "start_qutebrowser \
Qutebrowser is already started."
else
debug_message "start_qutebrowser \
No existing instance of Qutebrowser. Starting…" >> /tmp/qb.log
sh -c "${BROWSER}"
return_start_qutebrowser="0"
fi
return "${return_start_qutebrowser}"
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}
# }}}
focus_to_qutebrowser() { # {{{
## Get desktop and window ID of the first "qutebrowser" window
qutebrowser_desktop_id=$(command wmctrl -l | grep --max-count=1 -E -- "${QUTEBROWSER_WINDOW_TITLE}" | cut -d" " -f3)
qutebrowser_window_id=$(command wmctrl -l | grep --max-count=1 -E -- "${QUTEBROWSER_WINDOW_TITLE}" | cut -d" " -f1)
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debug_message "focus_to_qutebrowser \
Qutebrowser window ID: ${RED}${qutebrowser_window_id}${COLOR_DEBUG} on desktop ID: ${RED}${qutebrowser_desktop_id}${COLOR_DEBUG}."
### Switch to Qutebrowser desktop
command wmctrl -s "${qutebrowser_desktop_id}"
## If HerstluftWM is available
if [ "$(command -v herbstclient)" ]; then
debug_message "focus_to_qutebrowser \
Focus with herbstclient."
### Focus to the window id
herbstclient jumpto "${qutebrowser_window_id}"
else
debug_message "focus_to_qutebrowser \
Focus with wmctrl."
### Switch expected window
command wmctrl -i -R "${qutebrowser_window_id}"
fi
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}
# }}}
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get_qutebrowser_buffers() { # {{{
## Clear previous buffers list
[ -f "${QUTEBROWSER_SESSION_FILE}" ] && rm -f -- "${QUTEBROWSER_SESSION_FILE}"
## Run save_buffers.py in Qutebrowser
echo '{"args":[":save-window-and-buffers"], "target_arg":"", "protocol_version":1}' |\
socat - UNIX-CONNECT:"$QUTEBROWSER_SOCKET_FILE"
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## Wait to get the buffers list
i="0"
while [ "${i}" -lt "5" ]; do
if [ -f "${QUTEBROWSER_SESSION_FILE}" ]; then
break
else
sleep 0.01
fi
i=$((i+1))
done
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sed "s/^/ff /g" "${QUTEBROWSER_SESSION_FILE}" >> "${QUTEBROWSER_GLOBAL_CONTENT}"
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}
# }}}
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get_qutebrowser_content() { # {{{
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[ -S "${QUTEBROWSER_SOCKET_FILE}" ] && get_qutebrowser_buffers
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get_qutebrowser_searchengine
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[ -f "${QUTEBROWSER_QUICKMARK_FILE}" ] && sed "s/^/qq /g" "${QUTEBROWSER_QUICKMARK_FILE}" >> "${QUTEBROWSER_GLOBAL_CONTENT}"
[ -f "${QUTEBROWSER_BOOKMARK_FILE}" ] && sed "s/^/bb /g" "${QUTEBROWSER_BOOKMARK_FILE}" >> "${QUTEBROWSER_GLOBAL_CONTENT}"
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}
# }}}
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get_qutebrowser_searchengine() { # {{{
if [ -f "${QUTEBROWSER_SEARCHENGINE_FILE}" ]; then
### Store search engine in global list (for display)
sed -n "s/c.url.searchengines\['\(.*\)'\] = '\(.*\)'$/\1 \2/p" "${QUTEBROWSER_SEARCHENGINE_FILE}" >> "${QUTEBROWSER_GLOBAL_CONTENT}"
### And in specific list to verify is an engine was used
sed -n "s/c.url.searchengines\['\(.*\)'\] = '\(.*\)'$/\1 \2/p" "${QUTEBROWSER_SEARCHENGINE_FILE}" >> "${QUTEBROWSER_SEARCHENGINE_LIST}"
fi
if [ -s "${QUTEBROWSER_SEARCHENGINE_LIST}" ]; then
return_get_qutebrowser_searchengine="0"
debug_message "get_qutebrowser_searchengine \
successfully add search engines from ${QUTEBROWSER_SEARCHENGINE_FILE} file to temp list."
else
return_get_qutebrowser_searchengine="1"
debug_message "get_qutebrowser_searchengine \
Can't get search engines list.\
${RED}${QUTEBROWSER_SEARCHENGINE_FILE}${COLOR_DEBUG} file doesn't exist or impossible to parse."
fi
return "${return_get_qutebrowser_searchengine}"
}
# }}}
goto_qutebrowser_content() { # {{{
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get_qutebrowser_content
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debug_message "goto_qutebrowser_content \
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Search in Qutebrowser's content ${QUTEBROWSER_GLOBAL_CONTENT} file."
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rofi -dmenu -location 6 -lines 15 -width 80 -p 'Qutebrowser' -color-enabled -color-normal "${black},${blue},${black},${blue},${black}" -color-window "${black},${black}" > "${choice_temp_file}" < "${QUTEBROWSER_GLOBAL_CONTENT}"
if [ -s "${choice_temp_file}" ]; then
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debug_message "goto_qutebrowser_content \
Store results in ${choice_temp_file}."
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return_goto_qutebrowser_content="0"
else
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debug_message "goto_qutebrowser_content \
Search aborded or can't find matching bookmark."
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return_goto_qutebrowser_content="1"
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fi
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return "${return_goto_qutebrowser_content}"
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}
# }}}
open_in_qutebrowser() { # {{{
url=$(printf "%s" "${url}" | sed 's/ /%20/g')
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debug_message "open_in_qutebrowser \
Try to open ${RED}${url}${COLOR_DEBUG}"
sh -c "${BROWSER} ${url}"
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}
# }}}
is_url_in_buffer() { # {{{
if grep -q -E -- "${url}" "${QUTEBROWSER_SESSION_FILE}"; then
debug_message "is_url_in_buffer \
A buffer is already opened with this URL."
return_is_url_in_buffer="0"
buffer_id=$(grep -E -- "${url}" "${QUTEBROWSER_SESSION_FILE}" | cut -d" " -f1)
buffer_title=$(grep -E -- "${url}" "${QUTEBROWSER_SESSION_FILE}" | sed "s;${buffer_id} \(.*\) PyQt5.QtCore.QUrl.*;\1;")
switch_qutebrowser_buffer
else
debug_message "is_url_in_buffer \
No existent buffer with this URL."
return_is_url_in_buffer="1"
fi
return "${return_is_url_in_buffer}"
}
# }}}
goto_url() { # {{{
debug_message "goto_url \
Manage ${RED}${url}${COLOR_DEBUG} URL"
## Go to an existent buffer with the expected URL
### Or open the URL in a new buffer
is_url_in_buffer \
|| open_in_qutebrowser
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}
# }}}
switch_qutebrowser_buffer() { # {{{
debug_message "switch_qutebrowser_buffer \
Try to switch to buffer id: ${buffer_id}."
echo "{\"args\":[\":buffer ${buffer_id}\"], \"target_arg\":\"\", \"protocol_version\":1}" |\
socat - UNIX-CONNECT:"${QUTEBROWSER_SOCKET_FILE}"
## Ensure to focus on expected buffer
QUTEBROWSER_WINDOW_TITLE="${buffer_title}"
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}
# }}}
use_searchengine() { # {{{
return_use_searchengine="0"
## If the search engine can't be found
if ! grep --quiet -E "^${search_engine}" -- "${QUTEBROWSER_SEARCHENGINE_LIST}"; then
### Set search engine to DEFAULT
search_engine="DEFAULT"
### Be sure to take the complete request
search_request=$(cat "${choice_temp_file}")
fi
debug_message "use_searchengine \
Use ${RED}${search_engine}${COLOR_DEBUG} search engine."
search_url=$(grep -E "^${search_engine}" -- ${QUTEBROWSER_SEARCHENGINE_LIST} | cut --delimiter=" " --field=3)
debug_message "use_searchengine \
Use URL ${RED}${search_url}${COLOR_DEBUG}"
url=$(printf "%s" "${search_url}" | sed "s/{}/${search_request}/")
goto_url
return "${return_use_searchengine}"
}
# }}}
get_url() { # {{{
local_content=$(cat "${choice_temp_file}")
return_get_url="1"
debug_message "get_url \
Try to manage ${RED}$(cat "${choice_temp_file}")${COLOR_DEBUG}."
case "${local_content}" in
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bb*http* ) ## Classic bookmark
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url=$(printf "%s" "${local_content}" | cut -d" " -f2)
return_get_url="0"
debug_message "get_url \
URL from classic bookmark ${RED}${url}${COLOR_DEBUG}."
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goto_url
;;
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qq*http* ) ## Quickmark
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url=$(printf "%s" "${local_content}" | cut -d" " -f3)
return_get_url="0"
debug_message "get_url \
URL from quickmark ${RED}${url}${COLOR_DEBUG}."
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goto_url
;;
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ff* ) ## Buffer
buffer_id=$(printf "%s" "${local_content}" | cut -d" " -f2)
buffer_title=$(printf "%s" "${local_content}" | sed "s;ff ${buffer_id} \(.*\) PyQt5.QtCore.QUrl.*;\1;")
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return_get_url="0"
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debug_message "get_url \
Buffer title from Qutebrowser: ${RED}${buffer_title}${COLOR_DEBUG}."
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switch_qutebrowser_buffer
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;;
* )
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search_engine=$(printf "%s" "${local_content}" | cut -d" " -f1)
search_request=$(printf "%s" "${local_content}" | cut --complement --delimiter=" " --field=1)
debug_message "get_url \
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Try to search the content."
use_searchengine
;;
esac
return "${return_get_url}"
}
# }}}
goto_existing_qutebrowser() { # {{{
debug_message "goto_existing_qutebrowser \
Try to open content in existing instance."
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## Try to open Qutebrowser content (buffer, bookmark, quickmark,…)
goto_qutebrowser_content \
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&& get_url
## Be sure to focus to the expected buffer
focus_to_qutebrowser
return 0
}
# }}}
main() { # {{{
## Define all vars
define_vars
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## Start Qutebrowser if needed
### And exit
start_qutebrowser \
&& exit 0
## Manage existing instance
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goto_existing_qutebrowser \
&& exit 0
}
# }}}
# Manage arguments # {{{
## If there is argument(s)
if [ ! "${NBARGS}" -eq "0" ]; then
manage_arg="0"
# Parse all options (start with a "-") one by one
while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
case "${1}" in
-d|--debug ) ## Enable debug mode
## Enable DEBUG
DEBUG="0"
;;
-h|--help ) ## help
usage
## Exit after help informations
exit 0
;;
* ) ## unknow option
printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
printf '%b\n' "---"
usage
exit 1
;;
esac
debug_message "Arguments management \
${RED}${1}${COLOR_DEBUG} option managed."
## Move to the next argument
shift
manage_arg=$((manage_arg+1))
done
debug_message "Arguments management \
${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
else
debug_message "Arguments management \
No arguments/options to manage."
fi
# }}}
main
exit 255