8000 If/else to case in preview-tui by luukvbaal · Pull Request #1009 · jarun/nnn · GitHub
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If/else to case in preview-tui #1009

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Merged
merged 2 commits into from
May 14, 2021
Merged

If/else to case in preview-tui #1009

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cb2431a
If/else to case in preview-tui
luukvbaal May 14, 2021
f48566d
Fix conflict between #1004 #1006
luukvbaal May 14, 2021
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48 changes: 30 additions & 18 deletions plugins/preview-tui
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,7 @@ startpreview() {
--env "PREVIEW_MODE=1" --env "PAGER=$PAGER" --env "TMPDIR=$TMPDIR" \
--env "USE_SCOPE=$USE_SCOPE" --env "SPLIT=$SPLIT" --env "TERMINAL=$TERMINAL"\
--env "USE_PISTOL=$USE_PISTOL" --env "BAT_STYLE=${BAT_STYLE:-numbers}" \
--env "PAGERPID=$PAGERPID" --env "GIFPID=$GIFPID" --env "FIFO_UEBERZUG=$FIFO_UEBERZUG" \
--env "PAGERPID=$PAGERPID" --env "IMGPID=$IMGPID" --env "FIFO_UEBERZUG=$FIFO_UEBERZUG" \
--env "CURSEL=$CURSEL" --location "${SPLIT}split" "$0" "$1" >/dev/null
elif [ -n "$2" ]; then
QUICKLOOK=1 QLPATH="$2" PREVIEW_MODE=1 "$0" "$1" >/dev/null &
Expand Down Expand Up @@ -180,6 +180,31 @@ print_bin_info() {
fi
}

handle_mime() {
case "$2" in
image/*) image_preview "$cols" "$lines" "$1" ;;
application/zip) fifo_pager unzip -l "$1" ;;
text/troff)
if exists man; then
fifo_pager man -Pcat -l "$1"
else
fifo_pager pager "$1"
fi ;;
*) handle_ext "$1" "$3" "$4" ;;
esac
}

handle_ext() {
case "$2" in
gz|bz2) fifo_pager tar -tvf "$1" ;;
*) if [ "$3" = "bin" ]; then
fifo_pager print_bin_info "$1"
else
fifo_pager pager "$1"
fi ;;
esac
}

preview_file () {
clear
# Trying to use pistol if it's available.
Expand Down Expand Up @@ -223,29 +248,16 @@ preview_file () {
fifo_pager ls -F --directories-first --color=always
fi
elif [ "${encoding#*)}" = "binary" ]; then
if [ "${mimetype%%/*}" = "image" ]; then
image_preview "$cols" "$lines" "$1"
elif [ "$mimetype" = "application/zip" ]; then
fifo_pager unzip -l "$1"
elif [ "$ext" = "gz" ] || [ "$ext" = "bz2" ]; then
fifo_pager tar -tvf "$1"
else
fifo_pager print_bin_info "$1"
fi
elif [ "$mimetype" = "text/troff" ]; then
if exists man; then
fifo_pager man -Pcat -l "$1"
else
fifo_pager pager "$1"
fi
handle_mime "$1" "$mimetype" "$ext" "bin"
else
fifo_pager pager "$1"
handle_mime "$1" "$mimetype" "$ext"
fi
}

image_preview() {
if [ "$TERMINAL" = "kitty" ]; then
# Kitty terminal users can use the native image preview method.
# Kitty terminal users can use the native image preview method although one might consider
# installing ueberzug and moving the ueberzug clause to the top since it performs alot better.
kitty +kitten icat --silent --place "$1"x"$2"@0x0 --transfer-mode=stream --stdin=no "$3" &
printf "%s" "$!" > "$IMGPID"
elif [ -n "$QLPATH" ] && stat "$3" >/dev/null 2>&1; then
Expand Down
129 changes: 63 additions & 66 deletions plugins/preview-tui-ext
View file
Open in desktop
< ED48 td class="blob-code blob-code-deletion js-file-line"> generate_preview "$cols" "$lines" "$1" "gif"
Original file line number Diff line number Diff line change
Expand Up @@ -131,7 +131,7 @@ startpreview() {
--env "PREVIEW_MODE=1" --env "PAGER=$PAGER" --env "TMPDIR=$TMPDIR" \
--env "USE_SCOPE=$USE_SCOPE" --env "SPLIT=$SPLIT" --env "TERMINAL=$TERMINAL"\
--env "USE_PISTOL=$USE_PISTOL" --env "BAT_STYLE=${BAT_STYLE:-numbers}" \
--env "PAGERPID=$PAGERPID" --env "GIFPID=$GIFPID" --env "FIFO_UEBERZUG=$FIFO_UEBERZUG" \
--env "PAGERPID=$PAGERPID" --env "IMGPID=$IMGPID" --env "FIFO_UEBERZUG=$FIFO_UEBERZUG" \
--env "ICONLOOKUP=$ICONLOOKUP" --env "NNN_PREVIEWDIR=$NNN_PREVIEWDIR" \
--env "NNN_PREVIEWWIDTH=$NNN_PREVIEWWIDTH" --env "NNN_PREVIEWHEIGHT=$NNN_PREVIEWHEIGHT" \
--env "CURSEL=$CURSEL" --location "${SPLIT}split" "$0" "$1" >/dev/null
Expand Down Expand Up @@ -200,6 +200,63 @@ print_bin_info() {
fi
}

handle_mime() {
case "$2" in
image/jpg) image_preview "$cols" "$lines" "$1" ;;
image/gif) generate_preview "$cols" "$lines" "$1" "gif" ;;
image/*) generate_preview "$cols" "$lines" "$1" "image" ;;
video/*) generate_preview "$cols" "$lines" "$1" "video" ;;
audio/*) generate_preview "$cols" "$lines" "$1" "audio" ;;
application/font*|application/*opentype) generate_preview "$cols" "$lines" "$1" "font" ;;
*/*office*|*/*document*) generate_preview "$cols" "$lines" "$1" "office" ;;
application/zip) fifo_pager unzip -l "$1" ;;
text/troff)
if exists man; then
fifo_pager man -Pcat -l "$1"
else
fifo_pager pager "$1"
fi ;;
*) handle_ext "$1" "$3" "$4" ;;
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If no mimetype matches, check extensions

esac
}

handle_ext() {
case "$2" in
epub) generate_preview "$cols" "$lines" "$1" "epub" ;;
pdf) generate_preview "$cols" "$lines" "$1" "pdf" ;;
gz|bz2) fifo_pager tar -tvf "$1" ;;
md) if exists glow; then
fifo_pager glow -s dark "$1"
elif exists lowdown; then
fifo_pager lowdown -Tterm "$1"
else
fifo_pager pager "$1"
fi ;;
htm|html|xhtml)
if exists w3m; then
fifo_pager w3m "$1"
elif exists lynx; then
fifo_pager lynx "$1"
elif exists elinks; then
fifo_pager elinks "$1"
else
fifo_pager pager "$1"
fi ;;
7z|a|ace|alz|arc|arj|bz|cab|cpio|deb|jar|lha|lz|lzh|lzma|lzo\
|rar|rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z)
if exists atool; then
fifo_pager atool -l "$1"
elif exists bsdtar; then
fifo_pager bsdtar -tvf "$1"
fi ;;
*) if [ "$3" = "bin" ]; then
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print_bin_info() or pager depending on whether or not we came from if [ "${encoding#*)}" = "binary" ]

fifo_pager print_bin_info "$1"
else
fifo_pager pager "$1"
fi ;;
esac
}

preview_file() {
clear
# Trying to use pistol if it's available.
Expand All @@ -226,9 +283,7 @@ preview_file() {
encoding="$(file -bL --mime-encoding -- "$1")"
mimetype="$(file -bL --mime-type -- "$1")"
ext="${1##*.}"
if [ -n "$ext" ]; then
ext="$(printf "%s" "${ext}" | tr '[:upper:]' '[:lower:]')"
fi
[ -n "$ext" ] && ext="$(printf "%s" "${ext}" | tr '[:upper:]' '[:lower:]')"
lines=$(tput lines)
cols=$(tput cols)

Expand All @@ -248,68 +303,9 @@ preview_file() {
fifo_pager ls -F --group-directories-first --color=always
fi
elif [ "${encoding#*)}" = "binary" ]; then
if [ "${mimetype%%/*}" = "image" ]; then
if [ "${mimetype#*/}" = "gif" ]; then
elif [ "${mimetype#*/}" != "jpeg" ]; then
generate_preview "$cols" "$lines" "$1" "image"
else
image_preview "$cols" "$lines" "$1"
fi
elif [ "${mimetype%%/*}" = "audio" ]; then
generate_preview "$cols" "$lines" "$1" "audio"
elif [ "${mimetype%%/*}" = "video" ]; then
generate_preview "$cols" "$lines" "$1" "video"
elif [ "$ext" = "pdf" ]; then
generate_preview "$cols" "$lines" "$1" "pdf"
elif [ "$ext" = "epub" ]; then
generate_preview "$cols" "$lines" "$1" "epub"
elif [ "${mimetype#*opentype}" != "$mimetype" ] || [ "${mimetype#*font}" != "$mimetype" ]; then
generate_preview "$cols" "$lines" "$1" "font"
elif [ "${mimetype#*office}" != "$mimetype" ] || [ "${mimetype#*document}" != "$mimetype" ]; then
generate_preview "$cols" "$lines" "$1" "office"
elif [ "$mimetype" = "application/zip" ]; then
fifo_pager unzip -l "$1"
elif [ "$ext" = "gz" ] || [ "$ext" = "bz2" ]; then
fifo_pager tar -tvf "$1"
else
case "$ext" in
7z|a|ace|alz|arc|arj|bz|cab|cpio|deb|jar|lha|lz|lzh|lzma|lzo\
|rar|rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z)
if exists atool; then
fifo_pager atool -l "$1"
elif exists bsdtar; then
fifo_pager bsdtar -tvf "$1"
fi ;;
*) fifo_pager print_bin_info "$1" ;;
esac
fi
elif [ "$ext" = "md" ]; then
if exists glow; then
fifo_pager glow -s dark "$1"
elif exists lowdown; then
fifo_pager lowdown -Tterm "$1"
else
fifo_pager pager "$1"
fi
elif [ "$ext" = "htm" ] || [ "$ext" = "html" ] || [ "$ext" = "xhtml" ]; then
if exists w3m; then
fifo_pager w3m "$1"
elif exists lynx; then
fifo_pager lynx "$1"
elif exists elinks; then
fifo_pager elinks "$1"
else
fifo_pager pager "$1"
fi
elif [ "$mimetype" = "text/troff" ]; then
if exists man; then
fifo_pager man -Pcat -l "$1"
else
fifo_pager pager "$1"
fi
handle_mime "$1" "$mimetype" "$ext" "bin"
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Pass "bin" as argument to handle_mime() to maintain the if [ "${encoding#*)}" = "binary" ] condition.

else
fifo_pager pager "$1"
handle_mime "$1" "$mimetype" "$ext"
fi
}

Expand Down Expand Up @@ -357,7 +353,8 @@ generate_preview() {
image_preview() {
clear
if [ "$TERMINAL" = "kitty" ]; then
# Kitty terminal users can use the native image preview method.
# Kitty terminal users can use the native image preview method although one might consider
# installing ueberzug and moving the ueberzug clause to the top since it performs alot better.
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Add note about kitty vs ueberzug performance consideration

kitty +kitten icat --silent --place "$1"x"$2"@0x0 --transfer-mode=stream --stdin=no "$3" &
printf "%s" "$!" > "$IMGPID"
elif exists ueberzug; then
Expand Down
0