X-Git-Url: https://git.plutz.net/?p=confetti;a=blobdiff_plain;f=pdiread.sh;h=08fbaec3fb373c2fbb6cdde7974caaa520b849e3;hp=d774ada3caedba752d1271aa1bc8ceacc662b5d5;hb=6217c300314dd5791995c9bb7e148c3752d2d3d1;hpb=a76ef45bd763687be2e517955bc50089adaa64ed

diff --git a/pdiread.sh b/pdiread.sh
index d774ada..08fbaec 100755
--- a/pdiread.sh
+++ b/pdiread.sh
@@ -26,13 +26,23 @@ include_pdi="$0"
 BR='
 '
 
+unescape() {
+  local unescape='s;(^(\\\\)*|[^\\](\\\\)*)\\n;\1\n;g; s;\\(.);\1;g'
+  if [ $# -eq 0 ]; then
+    sed -E "$unescape"
+  else
+    printf %s "$*" \
+    | sed -E "$unescape"
+  fi
+}
+
 pdi_load() {
   # normalise PDI file for processing with pdi_* functions
   # functions in this library can only be applied to normalised data
   # Usage example:
   # data="$(pdi_load file.vcf)"
 
-  sed -En '
+  sed -srn '
     # === Read entire file into buffer ===
     :X $bY; N; bX; :Y s;^.*$;\n&\n;;
 
@@ -56,7 +66,7 @@ pdi_load() {
 
     # === Unscramble aggregated fields ===
     :disag
-    s;\n([^:]+:)((.*[^\])?(\\\\)*),;\n\1\2\n\1;;
+    s;\n([^:\n]+:)(([^\n]*[^\])?(\\\\)*),;\n\1\2\n\1;;
     t disag;
 
     # === Insert FN when only N is present ===
@@ -100,7 +110,7 @@ pdi_load() {
     # === Update obsolete LABEL property ===
     s;\nLABEL((\;[A-Za-z0-9-]+|\;[A-Za-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):(.*)\n;\nADR\1\;LABEL="\5":\n;g;
 
-    p;' "$1"
+    p;' "$@"
 }
 
 pdi_count(){
@@ -114,13 +124,31 @@ pdi_count(){
 }
 
 pdi_attrib(){
-  local card=":$1" name="$2" cnt="${3:-1}"
+  local card=":$1" name="$2" cnt="${3:-1}" attr="$4"
   while [ $cnt -gt 0 ]; do
     [ "${card#*${BR}${name};}" = "$card" ] && return 1
     card="${card#*${BR}${name};}"
     cnt=$((cnt - 1))
   done
-  printf %s\\n "${card%%:*}"
+  card="${card%%:*}"
+  if [ "$attr" ]; then
+    case $card in
+      *\;"$attr"=*) card="${card#*;${attr}=}";;
+      "$attr"=*) card="${card#${attr}=}";;
+      "$attr"|*\;"$attr"|"$attr"\;*|*\;"$attr"\;*) return 0;;
+      *) return 1;;
+    esac
+    case $card in
+      \"*\"\;*|\'*\'\;*)
+        card="${card#[\"\']}"; card="${card%%[\"\'];*}"
+        ;;
+      \"*\"|\'*\')
+        card="${card#[\"\']}"; card="${card%%[\"\']}"
+        ;;
+      *\;*) card="${card%%;*}";;
+    esac
+  fi
+  printf %s\\n "${card}"
 }
 
 pdi_value(){