package PublicInbox::Search;
use strict;
use parent qw(Exporter);
-our @EXPORT_OK = qw(retry_reopen int_val);
+our @EXPORT_OK = qw(retry_reopen int_val get_pct xap_terms);
use List::Util qw(max);
+use POSIX qw(strftime);
# values for searching, changing the numeric value breaks
# compatibility with old indices (so don't change them it)
$self; # make chaining easier
}
+# Convert git "approxidate" ranges to something usable with our
+# Xapian indices. At the moment, Xapian only offers a C++-only API
+# and neither the SWIG nor XS bindings allow us to use custom code
+# to parse dates (and libgit2 doesn't expose git__date_parse, either,
+# so we're running git-rev-parse(1)).
+# This replaces things we need to send to $git->date_parse with
+# "\0".$strftime_format.['+'|$idx]."\0" placeholders
+sub date_parse_prepare {
+ my ($to_parse, $pfx, $range) = @_;
+ # are we inside a parenthesized statement?
+ my $end = $range =~ s/([\)\s]*)\z// ? $1 : '';
+ my @r = split(/\.\./, $range, 2);
+
+ # expand "d:20101002" => "d:20101002..20101003" and like
+ # n.b. git doesn't do YYYYMMDD w/o '-', it needs YYYY-MM-DD
+ if ($pfx eq 'd') {
+ if (!defined($r[1])) {
+ if ($r[0] =~ /\A([0-9]{4})([0-9]{2})([0-9]{2})\z/) {
+ push @$to_parse, "$1-$2-$3";
+ # we could've handled as-is, but we need
+ # to parse anyways for "d+" below
+ } else {
+ push @$to_parse, $r[0];
+ }
+ $r[0] = "\0%Y%m%d$#$to_parse\0";
+ $r[1] = "\0%Y%m%d+\0";
+ } else {
+ for my $x (@r) {
+ next if $x eq '' || $x =~ /\A[0-9]{8}\z/;
+ push @$to_parse, $x;
+ $x = "\0%Y%m%d$#$to_parse\0";
+ }
+ }
+ } elsif ($pfx eq 'dt') {
+ if (!defined($r[1])) { # git needs gaps and not /\d{14}/
+ if ($r[0] =~ /\A([0-9]{4})([0-9]{2})([0-9]{2})
+ ([0-9]{2})([0-9]{2})([0-9]{2})\z/x) {
+ push @$to_parse, "$1-$2-$3 $4:$5:$6";
+ } else {
+ push @$to_parse, $r[0];
+ }
+ $r[0] = "\0%Y%m%d%H%M%S$#$to_parse\0";
+ $r[1] = "\0%Y%m%d%H%M%S+\0";
+ } else {
+ for my $x (@r) {
+ next if $x eq '' || $x =~ /\A[0-9]{14}\z/;
+ push @$to_parse, $x;
+ $x = "\0%Y%m%d%H%M%S$#$to_parse\0";
+ }
+ }
+ } else { # "rt", let git interpret "YYYY", deal with Y10K later :P
+ for my $x (@r) {
+ next if $x eq '' || $x =~ /\A[0-9]{5,}\z/;
+ push @$to_parse, $x;
+ $x = "\0%s$#$to_parse\0";
+ }
+ $r[1] //= "\0%s+\0";
+ }
+ "$pfx:".join('..', @r).$end;
+}
+
+sub date_parse_finalize {
+ my ($git, $to_parse) = @_;
+ # git-rev-parse can handle any number of args up to system
+ # limits (around (4096*32) bytes on Linux).
+ my @r = $git->date_parse(@$to_parse);
+ my $i;
+ $_[2] =~ s/\0(%[%YmdHMSs]+)([0-9\+]+)\0/strftime($1,
+ gmtime($2 eq '+' ? ($r[$i]+86400) : $r[$i=$2+0]))/sge;
+}
+
+# n.b. argv never has NUL, though we'll need to filter it out
+# if this $argv isn't from a command execution
+sub query_argv_to_string {
+ my (undef, $git, $argv) = @_;
+ my $to_parse;
+ my $tmp = join(' ', map {;
+ if (s!\b(d|rt|dt):(\S+)\z!date_parse_prepare(
+ $to_parse //= [], $1, $2)!sge) {
+ $_;
+ } elsif (/\s/) {
+ s/(.*?)\b(\w+:)// ? qq{$1$2"$_"} : qq{"$_"};
+ } else {
+ $_
+ }
+ } @$argv);
+ date_parse_finalize($git, $to_parse, $tmp) if $to_parse;
+ $tmp
+}
+
+# this is for the WWW "q=" query parameter and "lei q --stdin"
+# it can't do d:"5 days ago", but it will do d:5.days.ago
+sub query_approxidate {
+ my (undef, $git) = @_; # $_[2] = $query_string (modified in-place)
+ my $DQ = qq<"\x{201c}\x{201d}>; # Xapian can use curly quotes
+ $_[2] =~ tr/\x00/ /; # Xapian doesn't do NUL, we use it as a placeholder
+ my ($terms, $phrase, $to_parse);
+ $_[2] =~ s{([^$DQ]*)([$DQ][^$DQ]*[$DQ])?}{
+ ($terms, $phrase) = ($1, $2);
+ $terms =~ s!\b(d|rt|dt):(\S+)!
+ date_parse_prepare($to_parse //= [], $1, $2)!sge;
+ $terms.($phrase // '');
+ }sge;
+ date_parse_finalize($git, $to_parse, $_[2]) if $to_parse;
+}
+
# read-only
sub mset {
my ($self, $query_string, $opts) = @_;
my $enquire = $X{Enquire}->new($xdb);
$enquire->set_query($query);
$opts ||= {};
- my $desc = !$opts->{asc};
my $rel = $opts->{relevance} // 0;
- if ($rel == -1) { # ORDER BY docid/UID
+ if ($rel == -2) { # ORDER BY docid/UID (highest first)
+ $enquire->set_weighting_scheme($X{BoolWeight}->new);
+ $enquire->set_docid_order($ENQ_DESCENDING);
+ } elsif ($rel == -1) { # ORDER BY docid/UID (lowest first)
$enquire->set_weighting_scheme($X{BoolWeight}->new);
$enquire->set_docid_order($ENQ_ASCENDING);
} elsif ($rel == 0) {
- $enquire->set_sort_by_value_then_relevance(TS, $desc);
- } elsif ($rel == -2) {
- $enquire->set_weighting_scheme($X{BoolWeight}->new);
- $enquire->set_docid_order($ENQ_DESCENDING);
+ $enquire->set_sort_by_value_then_relevance(TS, !$opts->{asc});
} else { # rel > 0
- $enquire->set_sort_by_relevance_then_value(TS, $desc);
+ $enquire->set_sort_by_relevance_then_value(TS, !$opts->{asc});
}
# `mairix -t / --threads' or JMAP collapseThreads
- if ($opts->{thread} && has_threadid($self)) {
+ if ($opts->{threads} && has_threadid($self)) {
$enquire->set_collapse_key(THREADID);
}
$enquire->get_mset($opts->{offset} || 0, $opts->{limit} || 50);
$cb->($qp, $NVRP->new(DT, 'dt:'));
# for IMAP, undocumented for WWW and may be split off go away
- $cb->($qp, $NVRP->new(BYTES, 'bytes:'));
- $cb->($qp, $NVRP->new(TS, 'ts:'));
+ $cb->($qp, $NVRP->new(BYTES, 'z:'));
+ $cb->($qp, $NVRP->new(TS, 'rt:'));
$cb->($qp, $NVRP->new(UID, 'uid:'));
while (my ($name, $prefix) = each %bool_pfx_external) {
sortable_unserialise($val) + 0; # PV => IV conversion
}
+sub get_pct ($) { # mset item
+ # Capped at "99%" since "100%" takes an extra column in the
+ # thread skeleton view. <xapian/mset.h> says the value isn't
+ # very meaningful, anyways.
+ my $n = $_[0]->get_percent;
+ $n > 99 ? 99 : $n;
+}
+
+sub xap_terms ($$;@) {
+ my ($pfx, $xdb_or_doc, @docid) = @_; # @docid may be empty ()
+ my %ret;
+ eval {
+ my $end = $xdb_or_doc->termlist_end(@docid);
+ my $cur = $xdb_or_doc->termlist_begin(@docid);
+ for (; $cur != $end; $cur++) {
+ $cur->skip_to($pfx);
+ last if $cur == $end;
+ my $tn = $cur->get_termname;
+ if (index($tn, $pfx) == 0) {
+ $ret{substr($tn, length($pfx))} = undef;
+ }
+ }
+ };
+ \%ret;
+}
+
1;