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* [PATCH 09/22] view: start performing buffering into {obuf}
  2020-01-25  4:44  7% [PATCH 00/22] HTML display cleanups, fixes, speedups Eric Wong
@ 2020-01-25  4:44  6% ` Eric Wong
  0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2020-01-25  4:44 UTC (permalink / raw)
  To: meta

Get rid of the confusingly named {rv} and {tip} fields
and unify them into {obuf} for readability.

{obuf} usage may be expanded to more areas in the future.  This
will eventually make it easier for us to experiment with
alternative buffering schemes.
---
 lib/PublicInbox/View.pm          | 27 ++++++++++++---------------
 lib/PublicInbox/ViewVCS.pm       |  4 ++--
 lib/PublicInbox/WwwAtomStream.pm |  8 +++++---
 3 files changed, 19 insertions(+), 20 deletions(-)

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 11767dda..9f340132 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -30,9 +30,8 @@ sub msg_html_i {
 	if ($nr == 1) {
 		# $more cannot be true w/o $smsg being defined:
 		my $upfx = $more ? '../'.mid_escape($ctx->{smsg}->mid).'/' : '';
-		$ctx->{tip} .
-			multipart_text_as_html(delete $ctx->{mime}, $upfx,
-						$ctx) . '</pre><hr>'
+		multipart_text_as_html(delete $ctx->{mime}, $upfx, $ctx);
+		${delete $ctx->{obuf}} .= '</pre><hr>';
 	} elsif ($more) {
 		++$ctx->{end_nr};
 		# fake an EOF if {more} retrieval fails fails;
@@ -54,7 +53,7 @@ sub msg_html {
 	my $ibx = $ctx->{-inbox};
 	$ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
 	my $hdr = $ctx->{hdr} = $mime->header_obj;
-	$ctx->{tip} = _msg_html_prepare($hdr, $ctx, 0);
+	_msg_html_prepare_obuf($hdr, $ctx, 0);
 	$ctx->{end_nr} = 2;
 	$ctx->{smsg} = $smsg;
 	$ctx->{mime} = $mime;
@@ -92,9 +91,9 @@ sub msg_html_more {
 	return '' unless $smsg;
 	my $upfx = '../' . mid_escape($smsg->mid) . '/';
 	my $mime = delete $smsg->{mime};
-	_msg_html_prepare($mime->header_obj, $ctx, $nr) .
-		multipart_text_as_html($mime, $upfx, $ctx) .
-		'</pre><hr>'
+	_msg_html_prepare_obuf($mime->header_obj, $ctx, $nr);
+	multipart_text_as_html($mime, $upfx, $ctx);
+	${delete $ctx->{obuf}} .= '</pre><hr>';
 }
 
 # /$INBOX/$MESSAGE_ID/#R
@@ -259,9 +258,9 @@ sub index_entry {
 
 	# scan through all parts, looking for displayable text
 	$ctx->{mhref} = $mhref;
-	$ctx->{rv} = \$rv;
+	$ctx->{obuf} = \$rv;
 	msg_iter($mime, \&add_text_body, $ctx, 1);
-	delete $ctx->{rv};
+	delete $ctx->{obuf};
 
 	# add the footer
 	$rv .= "\n<a\nhref=#$id_m\nid=e$id>^</a> ".
@@ -495,11 +494,9 @@ sub thread_html_i { # PublicInbox::WwwStream::getline callback
 sub multipart_text_as_html {
 	my (undef, $mhref, $ctx) = @_; # $mime = $_[0]
 	$ctx->{mhref} = $mhref;
-	$ctx->{rv} = \(my $rv = '');
 
 	# scan through all parts, looking for displayable text
 	msg_iter($_[0], \&add_text_body, $ctx, 1);
-	${delete $ctx->{rv}};
 }
 
 sub flush_quote {
@@ -538,7 +535,7 @@ sub attach_link ($$$$;$) {
 	} else {
 		$sfn = 'a.bin';
 	}
-	my $rv = $ctx->{rv};
+	my $rv = $ctx->{obuf};
 	$$rv .= qq($nl<a\nhref="$ctx->{mhref}$idx-$sfn">);
 	if ($err) {
 		$$rv .= "[-- Warning: decoded text below may be mangled --]\n";
@@ -601,7 +598,7 @@ sub add_text_body { # callback for msg_iter
 	# split off quoted and unquoted blocks:
 	my @sections = split(/((?:^>[^\n]*\n)+)/sm, $s);
 	$s = '';
-	my $rv = $ctx->{rv};
+	my $rv = $ctx->{obuf};
 	if (defined($fn) || $depth > 0 || $err) {
 		# badly-encoded message with $err? tell the world about it!
 		attach_link($ctx, $ct, $p, $fn, $err);
@@ -626,9 +623,8 @@ sub add_text_body { # callback for msg_iter
 	obfuscate_addrs($ibx, $$rv) if $ibx->{obfuscate};
 }
 
-sub _msg_html_prepare {
+sub _msg_html_prepare_obuf {
 	my ($hdr, $ctx, $nr) = @_;
-	my $atom = '';
 	my $over = $ctx->{-inbox}->over;
 	my $obfs_ibx = $ctx->{-obfs_ibx};
 	my $rv = '';
@@ -706,6 +702,7 @@ sub _msg_html_prepare {
 	}
 	$rv .= _parent_headers($hdr, $over);
 	$rv .= "\n";
+	$ctx->{obuf} = \$rv;
 }
 
 sub SKEL_EXPAND () {
diff --git a/lib/PublicInbox/ViewVCS.pm b/lib/PublicInbox/ViewVCS.pm
index ead8c2b4..fdca70cb 100644
--- a/lib/PublicInbox/ViewVCS.pm
+++ b/lib/PublicInbox/ViewVCS.pm
@@ -33,14 +33,14 @@ my $BIN_DETECT = 8000; # same as git
 
 sub html_i { # WwwStream::getline callback
 	my ($nr, $ctx) =  @_;
-	$nr == 1 ? ${delete $ctx->{rv}} : undef;
+	$nr == 1 ? ${delete $ctx->{obuf}} : undef;
 }
 
 sub html_page ($$$) {
 	my ($ctx, $code, $strref) = @_;
 	my $wcb = delete $ctx->{-wcb};
 	$ctx->{-upfx} = '../../'; # from "/$INBOX/$OID/s/"
-	$ctx->{rv} = $strref;
+	$ctx->{obuf} = $strref;
 	my $res = PublicInbox::WwwStream->response($ctx, $code, \&html_i);
 	$wcb ? $wcb->($res) : $res;
 }
diff --git a/lib/PublicInbox/WwwAtomStream.pm b/lib/PublicInbox/WwwAtomStream.pm
index cb7ffe35..d142a469 100644
--- a/lib/PublicInbox/WwwAtomStream.pm
+++ b/lib/PublicInbox/WwwAtomStream.pm
@@ -140,9 +140,11 @@ sub feed_entry {
 		"<id>$uuid</id>$irt" .
 		qq{<content\ntype="xhtml">} .
 		qq{<div\nxmlns="http://www.w3.org/1999/xhtml">} .
-		qq(<pre\nstyle="white-space:pre-wrap">) .
-		PublicInbox::View::multipart_text_as_html($mime, $href, $ctx) .
-		'</pre></div></content></entry>';
+		qq(<pre\nstyle="white-space:pre-wrap">);
+	$ctx->{obuf} = \$s;
+	PublicInbox::View::multipart_text_as_html($mime, $href, $ctx);
+	delete $ctx->{obuf};
+	$s .= '</pre></div></content></entry>';
 }
 
 sub feed_updated {

^ permalink raw reply related	[relevance 6%]

* [PATCH 00/22] HTML display cleanups, fixes, speedups
@ 2020-01-25  4:44  7% Eric Wong
  2020-01-25  4:44  6% ` [PATCH 09/22] view: start performing buffering into {obuf} Eric Wong
  0 siblings, 1 reply; 2+ results
From: Eric Wong @ 2020-01-25  4:44 UTC (permalink / raw)
  To: meta

There's a lot more to do, but there's a couple of fixes for diff
viewing and href generation for solver.  ViewDiff.pm is
significantly easier-to-read and follow <span> tags for.

Eric Wong (22):
  www*stream: favor \&close instead of *close
  www: use "skel" terminology consistently
  view: improve readability around walk_thread
  searchview: keep $noop sub private to the package
  view: reduce parameters for html_footer
  view: thread_skel: drop constant tpfx parameter
  view: simplify duplicate Message-ID handling
  wwwstream: discard single-use $ctx fields after use
  view: start performing buffering into {obuf}
  t/plack.t: modernize and unindent
  init: use Import::run_die instead of system()
  tests: move the majority of t/view.t into t/plack.t
  xt/perf-msgview: switch to multipart_text_as_html
  view: inline and eliminate msg_html
  linkify: compile $LINK_RE once
  linkify: move to_html over from ViewDiff
  searchidx: skip filenames on "diff --git ..."
  searchidx: don't assume "a/" and "b/" as prefixes
  viewdiff: add "b=" param with non-standard diff prefix
  viewdiff: add "b=" param when missing "diff --git" line
  viewdiff: use autovivification for long_path hash
  viewdiff: rewrite and simplify

 lib/PublicInbox/Linkify.pm       |   4 +-
 lib/PublicInbox/SearchIdx.pm     |  12 +-
 lib/PublicInbox/SearchView.pm    |  14 +-
 lib/PublicInbox/View.pm          | 214 +++++++--------
 lib/PublicInbox/ViewDiff.pm      | 283 ++++++++++---------
 lib/PublicInbox/ViewVCS.pm       |  10 +-
 lib/PublicInbox/WwwAtomStream.pm |  10 +-
 lib/PublicInbox/WwwListing.pm    |   3 +-
 lib/PublicInbox/WwwStream.pm     |  21 +-
 script/public-inbox-init         |  10 +-
 t/mid.t                          |   8 +-
 t/plack.t                        | 456 ++++++++++++++++++-------------
 t/view.t                         | 207 ++------------
 xt/perf-msgview.t                |  10 +-
 xt/solver.t                      |   2 +-
 15 files changed, 564 insertions(+), 700 deletions(-)

^ permalink raw reply	[relevance 7%]

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