Escape all strings in indexer

1 files changed, 23 insertions, 0 deletions

diff --git a/awk/utils.awk b/awk/utils.awk
index 7384ea0..358f024 100644
--- a/awk/utils.awk
+++ b/awk/utils.awk
@@ -26,7 +26,30 @@ function or_default(var, def) {
 function combine_tags(tags1, tags2) {
     if (tags1 == "") {
         return tags2;
+    } else if (tags2 == "") {
+        return tags1;
     } else {
         return substr(tags1, 0, length(tags1) - 1) tags2
     }
 }
+
+# Convert an ISO8601 timestamp to an Emacs timestamp
+# (second_upper_16_bit, second_lower_16_bit)
+function parse_time(time) {
+    # mktime expects a format of "YYYY MM DD HH MM SS"
+    # and doesn't care about the trailing space left by the "Z"
+    gsub(/[\-T:Z]/, " ", time);
+
+    ts = mktime(time, 1);
+    ts_h = rshift(ts, 16);
+    ts_l = and(ts, 0xffff);
+
+    return "(" ts_h " " ts_l ")";
+}
+
+# TODO: I'm sure there are cases not covered by this
+function escape_string(str) {
+    gsub(/\\/, "\\\\", str);
+    gsub(/"/, "\\\"", str);
+    return "\"" str "\"";
+}