X-Git-Url: http://git.plutz.net/?a=blobdiff_plain;f=db_meta.sh;h=572ebbd30b4bfc0411b736dc5cffd395dc797852;hb=refs%2Fheads%2Fmaster;hp=e78bcc51dcb11ab7a9446390661cb9f5da4400c0;hpb=6cd76fcea5aad8585f307b4fc5b75bd2da746993;p=serve0

diff --git a/db_meta.sh b/db_meta.sh
index e78bcc5..572ebbd 100755
--- a/db_meta.sh
+++ b/db_meta.sh
@@ -3,19 +3,21 @@
 [ "$include_dbmeta" ] && return 0
 include_dbmeta="$0"
 
+. "$_EXEC/cgilite/storage.sh"
+
 # == FILE FORMAT ==
-# LENGTH	WIDTH	HEIGHT	TAGS	COMMENT	NAME
+# LENGTH	WIDTH	HEIGHT	TAGS	COMMENT	NAME	GROUP
 
 # == GLOBALS ==
 UNSET_META='unset \
-  META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT META_NAME
+  META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT META_NAME META_GROUP
 '
 
 LOCAL_META='local \
-  META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT META_NAME
+  META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT META_NAME META_GROUP
 '
 
-eval "$UNSET_VIDEO"
+eval "$UNSET_META"
 
 read_meta() {
   local name="$1" meta_db="$_DATA/.index/meta"
@@ -26,20 +28,22 @@ read_meta() {
 
   # Global exports
   META_LENGTH='' META_WIDTH='' META_HEIGHT='' META_TAGS=''
-  META_COMMENT='' META_NAME=''
+  META_COMMENT='' META_NAME='' META_GROUP='' META_GROUPORDER=''
 
   if [ $# -eq 0 ]; then
-    read -r META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT META_NAME
+    read -r META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT \
+            META_NAME META_GROUP META_GROUPORDER
   elif [ "$name" -a -f "$meta_db" -a -r "$meta_db" ]; then
-    while read -r META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT META_NAME; do
-      [ "${META_NAME%${CR}}" = "$name" ] && break
-    done <"${meta_db}"
-    [ "${META_NAME%${CR}}" = "$name" ] || eval "$UNSET_META"
+    read -r META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT \
+            META_NAME META_GROUP META_GROUPORDER <<-EOF
+	$(grep -F "	${name}${CR}" "$meta_db" |dbmeta_autogroup)
+	EOF
   fi
   if [ "$META_NAME" ]; then
        META_NAME="$(UNSTRING "${META_NAME%${CR}}")"
     META_COMMENT="$(UNSTRING "${META_COMMENT#comment=}")"
        META_TAGS="$(UNSTRING "${META_TAGS#tags=}")"
+      META_GROUP="${META_GROUP#\\}"
   else
     eval "$UNSET_META"
     return 1
@@ -47,8 +51,8 @@ read_meta() {
 }
 
 update_meta(){
-  local name="${1:=${META_NAME}}" tags comment length width height
-  eval LENGTH WIDTH HEIGH TAGS COMMENT NAME
+  local name="${1:=${META_NAME}}" tags comment length width height group
+  local LENGTH WIDTH HEIGH TAGS COMMENT NAME GROUP
   local arg cnt meta_db="$_DATA/.index/meta"
 
   [ "${name%%/*}" != "$name" ] \
@@ -61,24 +65,28 @@ update_meta(){
      lenght=*)  lenght="${arg#*=}";;
       width=*)   width="${arg#*=}";;
      height=*)  height="${arg#*=}";;
+      group=*)   group="${arg#*=}";;
   esac; done
 
   if LOCK "$meta_db"; then
-    while read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME; do
-      if [ "$name" = "${NAME%${CR}}" ]; then
-        printf '%i	%i	%i	tags=%s	comment=%s	%s\r\n' \
-               "${length:-${length-${LENGTH}}${length+0}}" \
-               "${width:-${width-${WIDTH}}${width+0}}" \
-               "${height:-${height-${HEIGHT}}${height+0}}" \
-               "$(STRING "${tags-$(UNSTRING "${TAGS#tags=}")}")" \
-               "$(STRING "${comment-$(UNSTRING "${COMMENT#comment=}")}")" \
-               "$(STRING "${name-$(UNSTRING "${NAME%${CR}}")}")"
-      else
-        printf '%i	%i	%i	tags=%s	comment=%s	%s\r\n' \
-               "$length" "$width" "$height" "${TAGS#tags=}" \
-               "${COMMENT#comment=}" "${NAME%${CR}}"
-      fi
-    done <"$meta_db" >"${meta_db}.$$"
+    read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME GROUP <<-EOF
+	$(grep -F "	${name}${CR}" "$meta_db")
+	EOF
+    if [ ! "$NAME" ]; then
+      RELEASE "$meta_db"
+      return 1
+    fi
+    printf '%i	%i	%i	tags=%s	comment=%s	%s\r	%s\n' \
+           "${length:-${length-${LENGTH}}${length+0}}" \
+           "${width:-${width-${WIDTH}}${width+0}}" \
+           "${height:-${height-${HEIGHT}}${height+0}}" \
+           "$(STRING "${tags-$(UNSTRING "${TAGS#tags=}")}")" \
+           "$(STRING "${comment-$(UNSTRING "${COMMENT#comment=}")}")" \
+           "${NAME%${CR}}" "${group:-${GROUP:-\\}}" \
+    >"${meta_db}.$$"
+
+    grep -vF "	${name}${CR}" "$meta_db" >>"${meta_db}.$$"
+
     mv -- "${meta_db}.$$" "${meta_db}"
     RELEASE "$meta_db"
   else
@@ -88,20 +96,20 @@ update_meta(){
 
 new_meta(){
   local name="$1" meta_db="$_DATA/.index/meta"
-  local LENGTH WIDTH HEIGHT TAGS COMMENT NAME
+  local LENGTH WIDTH HEIGHT TAGS COMMENT NAME GROUP
 
   [ "${name%%/*}" != "$name" ] \
   && meta_db="$_DATA/${name%%/*}/.index/meta"
   name="$(STRING "${name##*/}")"
 
   if LOCK "$meta_db"; then
-    while read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME; do
+    while read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME GROUP; do
       if [ "$name" = "${NAME%${CR}}" ]; then
         RELEASE "$vid_db"
         return 1
       fi
     done <"$meta_db"
-    printf '0	0	0	tags=\\	comment=\\	%s\r\n' \
+    printf '0	0	0	tags=\\	comment=\\	%s\r	\\\n' \
            "${name}" >>"$meta_db"
     RELEASE "$meta_db"
   else
@@ -111,18 +119,18 @@ new_meta(){
 
 delete_meta() {
   local name="$1" meta_db="$_DATA/.index/meta"
-  local LENGTH WIDTH HEIGHT TAGS COMMENT NAME
+  local LENGTH WIDTH HEIGHT TAGS COMMENT NAME GROUP
 
   [ "${name%%/*}" != "$name" ] \
   && meta_db="$_DATA/${name%%/*}/.index/meta"
   name="$(STRING "${name##*/}")"
 
   if LOCK "$meta_db"; then
-    while read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME; do
+    while read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME GROUP; do
       [ "$name" = "${NAME%${CR}}" ] \
-      || printf '%i	%i	%i	tags=%s	comment=%s	%s\r\n' \
+      || printf '%i	%i	%i	tags=%s	comment=%s	%s\r	%s\n' \
                 "$length" "$width" "$height" "${TAGS#tags=}" \
-                "${COMMENT#comment=}" "${NAME%${CR}}"
+                "${COMMENT#comment=}" "${NAME%${CR}}" "${GROUP:-\\}"
     done <"$meta_db" >"${meta_db}.$$"
 
     mv -- "${meta_db}.$$" "$meta_db"
@@ -134,7 +142,7 @@ delete_meta() {
 
 list_meta(){
   local meta pfx
-  local LENGTH WIDTH HEIGHT TAGS COMMENT NAME
+  local LENGTH WIDTH HEIGHT TAGS COMMENT NAME GROUP
 
   if [ "$#" -eq 0 ]; then
     find "$_DATA" -path '*/.index/meta'
@@ -147,10 +155,54 @@ list_meta(){
     pfx="$(STRING "${pfx#/}")"
     [ "$pfx" = '\' ] && pfx='' || pfx="${pfx}/"
 
-    while read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME; do
-      printf '%i	%i	%i	tags=%s	comment=%s	%s%s\r\n' \
-             $LENGTH $WIDTH $HEIGHT "${TAGS#tags=}" \
-             "${COMMENT#comment=}" "${pfx}" "${NAME%${CR}}"
-    done <"$meta"
+    { printf '%s\n' "$pfx"
+      dbmeta_autogroup "$meta"
+    } | sed -E '
+      1{ h; d; }
+      G;
+      s;^([^\t]+	[^\t]+	[^\t]+	[^\t]+	[^\t]+	)([^\n]+)\n(.*)$;\1\3\2;
+    '
   done
 }
+
+dbmeta_autogroup(){
+  sed -E '
+    # strip empty group field
+    s;\r	\\$;\r;;
+    h;  # save original dataset
+
+    # strip common suffixes of web video sites
+    s;-([0-9a-zA-Z_-]{11}|ph[0-9a-f]{13}|xh[0-9a-zA-Z]{5}|[0-9]{6,})\r;-\r;;
+
+    # perform auto grouping if group id is missing or empty
+    /\r$/bAUTOGROUP;
+  
+    # only perform ordering if manual group id is present
+    /\r	.+$/bAUTOORDER;
+
+    b;  # pass invalid records without processing
+
+    :AUTOORDER
+    # strip all fields but the name
+    s;^([^\t]+	[^\t]+	[^\t]+	[^\t]+	[^\t]+	)([^\r]+)\r	(.+)$;\2;
+
+    # reduce to numerals
+    s;[^0-9]+;;g;
+
+    # append ordering field to dataset
+    H; g; s;\n;\t;;
+    b;
+  
+    :AUTOGROUP
+    # strip all fields but the name
+    s;^[^\t]+	[^\t]+	[^\t]+	[^\t]+	[^\t]+	;;
+  
+    # replace all numeric parts and append numerals to an ordering field
+    # the group id will be made up of only the non-numeric character frame
+    # the ordering field will hold all numbers from the name
+    :X s;^([^0-9]*)([0-9]+)([^\r]*)\r\t?([0-9]*)$;\1\r\3\r	\4\2;; tX;
+  
+    # append group id and ordering field to dataset
+    H; g; s;\n;\t;;
+  ' "$@"
+}