non-recursive, clean

2025-06-13 12:33:26 +02:00
parent ff898c84c8
commit 6d8520a016
2 changed files with 777 additions and 558 deletions
--- a/src/awk/approx.awk
+++ b/src/awk/approx.awk
@@ -0,0 +1,79 @@
+function parse(    dt) {
+  # Get timezone information
+  dt = "";
+  for (i=2; i<NF-1; i+=2) {
+    if ($i == "TZID") {
+      dt = "TZ=\"" $(i+1) "\" ";
+      break;
+    }
+  }
+  # Get date/datetime
+  return length($NF) == 8 ?
+    dt $NF :
+    dt gensub(/^([0-9]{8})T([0-9]{2})([0-9]{2})([0-9]{2})(Z)?$/, "\\1 \\2:\\3:\\4\\5", "g", $NF);
+}
+
+function parse_duration(    dt, dta, i, n, a, seps) {
+  n = split($NF, a, /[PTWHMSD]/, seps);
+  delete dta;
+  for (i=2; i<=n; i++) {
+    if(seps[i] == "W") dta["weeks"]   = a[i];
+    if(seps[i] == "H") dta["hours"]   = a[i];
+    if(seps[i] == "M") dta["minutes"] = a[i];
+    if(seps[i] == "S") dta["seconds"] = a[i];
+    if(seps[i] == "D") dta["days"]    = a[i];
+  }
+  dt = a[1] ? a[1] : "+";
+  for (i in dta) {
+    dt = dt " " dta[i] " " i;
+  }
+  return dt;
+}
+
+function fn(path,    n, a) {
+  n = split(path, a, "/");
+  return a[n-1] "/" a[n];
+}
+
+function title(start, summary) {
+  summary = substr(summary, index(summary, ":") + 1);
+  #gsub("\\\\n",    "\n", summary); # one-liner
+  #gsub("\\\\N",    "\n", summary); # one-liner
+  gsub("\\\\n",    " ",  summary);
+  gsub("\\\\N",    " ",  summary);
+  gsub("\\\\,",    ",",  summary);
+  gsub("\\\\;",    ";",  summary);
+  gsub("\\\\\\\\", "\\", summary);
+  gsub("\\|", ":", summary); # we use "|" as delimiter
+  depth = split(FILENAME, path, "/");
+  collection = depth > 1 ? path[depth-1] : "";
+  collection = collection in collection2label ? collection2label[collection] : collection;
+  return FAINT "~ " collection " " gensub(/^[^0-9]*([0-9]{4})([0-9]{2}).*$/, "\\1-\\2", "1", start) " " summary OFF
+}
+
+BEGIN                 { 
+  FS="[:;=]";
+  OFS="|" 
+  split(collection_labels, mapping, ";");
+  for (map in mapping)
+  {
+    split(mapping[map], m, "=");
+    collection2label[m[1]] = m[2];
+  }
+  # Colors
+  GREEN = "\033[1;32m";
+  RED = "\033[1;31m";
+  WHITE = "\033[1;97m";
+  CYAN = "\033[1;36m";
+  FAINT = "\033[2m";
+  OFF = "\033[m";
+}
+BEGINFILE             { inside = 0; rs = 0; dur = 0; summary = ""; start = "ERROR"; end = "ERROR" }
+/^END:VEVENT/         { print "~", start, dur ? start " " end : end, title(start, summary), fn(FILENAME,    n, a); nextfile }
+/^DTSTART/ && inside  { start = parse(    dt) }
+/^DTEND/ && inside    { end = parse(    dt) }
+/^DURATION/ && inside { end = parse_duration(    dt, dta, i, n, a, seps); dur = 1 }
+/^[^ ]/ && rs         { rs = 0 }
+/^ / && rs            { summary = summary substr($0, 2); }
+/^SUMMARY/ && inside  { rs = 1; summary = $0; }
+/^BEGIN:VEVENT/       { inside = 1 }