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Author SHA1 Message Date
epriestley
84f62bdf9a Move ported inlines which appear on nonvisible lines backward so they show up
Summary:
Ref T7447. Ref T7870. See T7870 for a detailed description of this issue.

NOTE: Replying to these inlines from the UI still does the wrong thing, because we use the database line number, not the UI line number.

Test Plan:
Before:

{F377732}

After:

{F377733}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T7447, T7870

Differential Revision: https://secure.phabricator.com/D12491
2015-04-21 11:06:44 -07:00
epriestley
174cf82398 Provide getObjectOwnerPHID() on inline comment views
Summary:
This returns the PHID of the current revision owner, or the commit author, if one exists.

NOTE: For drafts, we currently return `null`; I'll fix that in a future change. Should be correct for submitted comments.

Test Plan: Added an inline, nothing seemed broken.

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D12185
2015-03-27 11:23:10 -07:00
epriestley
aa310230b6 Detect moves and copies with some unchanged lines as moves or copies
Summary:
Ref T1266. We won't detect a move/copy if fewer than 3 lines are changed.

However, you may move a block like:

  Complicated Line A
  Trivial Line B
  Complicated Line C

...where "Trivial Line B" is something like a curly brace. If you move this block somewhere that happened to previously have a similar trivial curly brace line, we won't be able to find 3 contiguous added lines in order to detect the copy/move.

Instead, consider both changed and unchanged lines when trying to find contiguous blocks. This allows us to detect across gaps where lines were not actually changed.

This new algorithm may be too liberal (for example, we may end up incorrectly identifying moved/copied code before or after changed lines, not just between changed lines), but we can keep an eye on it and tweak it. The algorithm is better factored and better covered, now.

Test Plan:
  - Added a unit test for this case.
  - Spot-checked a handful of diffs and generally saw behavior that made sense and looked better than before.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T1266

Differential Revision: https://secure.phabricator.com/D12146
2015-03-24 13:12:24 -07:00
epriestley
373aaa643a Clean up copy detection code a bit
Summary:
Ref T1266. This doesn't change any behaviors, but some of this code has a lot of really complicated conditionals and I tried to break that up a bit.

Also, reexpress this stuff in terms of the "structured" parser in D12144.

Test Plan: Unit tests still pass. They aren't hugely comprehensive but did reliably fail when I screwed stuff up.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T1266

Differential Revision: https://secure.phabricator.com/D12145
2015-03-24 13:12:09 -07:00
epriestley
21826ed7b3 Don't highlight very large files by default
Summary:
Ref T5644. See some discussion in D8040.

When a file is very large (more than 64KB of text), don't activate syntax highlighting by default. This should prevent us from wasting resources running `pygmentize` on enormous files.

Users who want the file highlighted can still select "Highlight As...".

The tricky part of this diff is separating the headers into "changeset" headers and "undershield" (rendering) headers. Specifically, a file might have these headers/shields:

  - "This file is newly added."
  - "This file is generated. Show Changes"
  - "Highlighting is disabled for this large file."

In this case, I want the user to see "added" and "generated" when they load the page, and only see "highlighting disabled" after they click "Show Changes". So there are several categories:

  - "Changeset" headers, which discuss the changeset as a whole (binary file, image file, moved, added, deleted, etc.)
  - "Property" headers, which describe metadata changes (not relevant here).
  - "Shields", which hide files from view by default.
  - "Undershield" headers, which provide rendering information that is only relevant if there is no shield on the file.

Test Plan:
  - Viewed a diff with the library map, clicked "show changes", got a "highlighting disabled" header back with highlighting disabled.
  - Enabled highlighting explicitly (this currently restores the shield, which it probably shouldn't, but that feels out of scope for this change). The deshielded file is highlighted per the user's request.
  - Loaded context on normal files.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: joshuaspence, epriestley

Maniphest Tasks: T5644

Differential Revision: https://secure.phabricator.com/D12132
2015-03-24 05:26:39 -07:00
epriestley
4310c4ed53 Track a "Done" state on inline comments
Summary:
Ref T1460. This just barely works, but throwing it up in case any of it sounds mechanically crazy before we build integrations/UI/etc.

Specifically, these are the behaviors:

  - You can mark your own draft comments as "done" before you submit them. The intent is to let reviewers mark their stuff advisory/minor/not-important before they submit it, to hint to authors that they don't expect the feedback to necessarily be addressed (maybe it's a joke, maybe it's just discussion, maybe it's "consider..").
  - You can mark others' published comments as "done" if you're the revision/commit author. The intent is to keep this lightweight by not requiring an audit trail of who marked what done when. If anyone could mark anything done, we'd have to have some way to show who marked stuff.
  - When you mark stuff done (or unmark it), it goes into a "draft" state, where you see the change but others don't see it yet. The intent is twofold:
    - Be consistent with how inlines work.
    - Allow us to publish a "epriestley updated this revision + epriestley marked 15 inlines as done" story later if we want. This seems more useful than publishing 15 "epriestley marked one thing as done" stories.
  - The actual bit where done-ness publishes isn't implemented.
  - UI is bare bones.
  - No integration with the rest of the UI yet.

Test Plan: Clicked some checkboxes.

Reviewers: chad, btrahan

Reviewed By: btrahan

Subscribers: paulshen, chasemp, epriestley

Maniphest Tasks: T1460

Differential Revision: https://secure.phabricator.com/D12033
2015-03-24 05:26:11 -07:00
epriestley
10a84d66db Show a more tailored message when adding empty files
Summary: Fixes T6695. Tailor this message.

Test Plan: {F333305}

Reviewers: btrahan, chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T6695

Differential Revision: https://secure.phabricator.com/D12022
2015-03-09 10:27:18 -07:00
epriestley
c35cafda2c Use ChangesetListView on Differential standalone view
Summary:
Fixes T4452. Ref T2009. There's a hierarchy of changeset rendering power: only low-level calls, use of ChangesetDetailView, then use of ChangesetListView (a list of DetailViews).

Prior to work here, the various changeset rendering controllers got their hands dirty to varying degrees, with some using only the lowest-level rendering pipeline:

  - Phriction: no view (lowest level)
  - Diffusion: DetailView
  - Differential Changeset: DetailView
  - Differential Diff: ListView
  - Differential Revision: ListView

I brought Phriction up to use DetailView, but want to bring everything all the way up to use ListView. Each composition layer adds more features to diff browsing. In particular, this change enables "Highlight As", switching 1up vs 2up, adding inlines, etc., on the standalone view.

Test Plan:
  - Viewed a changeset standalone. Could change highlighting, switch 1up vs 2up, add and edit inlines, etc.
  - Viewed a revision; no behavioral changes.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T4452, T2009

Differential Revision: https://secure.phabricator.com/D12012
2015-03-09 10:26:47 -07:00
epriestley
ad3c94dd45 Make "Show Context" persist rendering, whitespace, encoding, etc
Summary:
Ref T2009. Currently, we do not persist view parameters when making context rendering requests.

The big one is the renderer (1up vs 2up). This makes context on unified diffs come in with too many columns.

However, it impacts other parameters too. For example, at HEAD, if you change highlighting to "rainbow" and then load more context, the context uses the original highlighter instead of the rainbow highlighter.

This moves context loads into ChangesetViewManager, which maintains view parameters and can provide them correctly.

  - This removes "ref"; it is no longer required, as the ChangesetViewManager tracks it.
  - This removes URI management from `behavior-show-more`; it is no longer required, since the ChangesetViewManager knows how to render.
  - This removes "whitespace" since this is handled properly by the view manager.

Test Plan:
  - Used "Show Top" / "Show All" / "Show Bottom" in 1-up and 2-up views.
  - Changed file highlighting to rainbow, loaded stuff, saw rainbow stick.
  - Used "Show Entire File" in 1-up and 2-up views.
    - Saw loading chrome.
    - No loading chrome normally.
  - Made inlines, verified `copyRows()` code runs.
  - Poked around Diffusion -- it is missing some parameter handling, but works OK.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D11977
2015-03-05 14:03:00 -08:00
epriestley
c82066408d Expand Differential test coverage to include moves, shields, and more
Summary:
See D11468 and D11465. Fixes T5163. Fixes T4105. This makes it practical to test shields, unshielding, moves, etc.

This fixes the issue in D11468, where line maps from whitespace-ignored hunks could have fewer lines than line maps from whitespace-respected hunks, causing a warning.

This encodes the behavior which D11465 changed, making it the canon behavior. Specifically, we do **not** show a shield. I think this is correct. It seems misleading to show "the contents of this file were not changed", because they were changed in both the sense that the file was completely removed, and also changed in the sense that the content itself was (or may have been) changed at the destination. Instead, we just show nothing.

Test Plan:
  - Added test coverage.
  - Ran tests.
  - Used `arc diff --raw --browse` to verify that web behavior was consistent with CLI/test behavior.

Reviewers: joshuaspence, btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T4105, T5163

Differential Revision: https://secure.phabricator.com/D11970
2015-03-05 14:00:26 -08:00
Joshua Spence
d66cbff298 Rename a constant
Summary: Rename `DifferentialChangesetParser::WHITESPACE_IGNORE_FORCE` to `DifferentialChangesetParser::WHITESPACE_IGNORE_ALL` to better reflect reality.

Test Plan: Viewed a diff with various settings for the "Whitespace changes" option.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D11730
2015-02-11 06:54:10 +11:00
Joshua Spence
c66954af26 Fix a TODO
Summary: Rename `DifferentialChangesetParser::WHITESPACE_IGNORE_ALL` to `DifferentialChangesetParser::WHITESPACE_IGNORE_MOST`.

Test Plan: Browsed a diff with a few different settings for "Whitespace changes".

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D11715
2015-02-10 18:37:18 +11:00
Bob Trahan
77eae81e1a Policy - fix up DifferentialChangesetParser
Summary:
Ref T7094. We should do a policy query on the files IMO because there exists a scenario where the file gets locked down directly. This requires being a bit more disciplined about setting user, which in turn requires deciding whether or not to show edit / reply links as a separate piece of logic, not conditional on user presence.

This is not the best code but I don't think it gets worse with this and is just some other nuance in any larger cleanup we take on someday.

Test Plan: looked at a revision and noted inline comments rendered correctly with reply / edit actions. looked at a diff standalone and noted no reply / edit actions as expected. looked at a "details" link on a transaction and it rendered correctly. looked at a diff in phriction of page edits and it looked good. grepped around and verified the remaining callsite in diffusion already has the setUser call.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T7094

Differential Revision: https://secure.phabricator.com/D11579
2015-01-30 11:17:34 -08:00
Joshua Spence
39ca2fdf64 Use new FutureIterator instead of Futures
Summary: Ref T6829. Deprecate the `Futures()` function.

Test Plan: N/A

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T6829

Differential Revision: https://secure.phabricator.com/D11077
2014-12-30 23:13:38 +11:00
Bob Trahan
dc1106a9b9 Differential - stop showing the shield for "move away" operations
Summary: The shield is just confusing. In one case it doesn't work, and in the other case it just shows you a copy of the file you can see just below except in red. Fixes T4599, T1211. Note T1211 proposed not showing the "move away" file **at all** but I think removing the shield fixes the source of confusion. The code here is a bit if / else if / else if... heavy but this is logically sound.

Test Plan: made a diff where i moved a file then edited it in the new location. viewed diff, saw confusing shield, dropped caches, applied patch, viewed diff and saw no shield. made a diff where I moved a file and didn't edit in new location and saw similar shield disappearness.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T1211, T4599

Differential Revision: https://secure.phabricator.com/D10865
2014-11-17 15:12:07 -08:00
epriestley
1ad0e84518 Show image dimensions and some other metadata in Differential
Summary: Fixes T2101. When viewing an image change, show image dimensions, MIME type, and filesize.

Test Plan:
{F190189}

{F190190}

very utility

such wow

Reviewers: mailson, btrahan, chad

Reviewed By: chad

Subscribers: epriestley, Korvin, aran

Maniphest Tasks: T2101

Differential Revision: https://secure.phabricator.com/D5206
2014-08-13 14:41:06 -07:00
Joshua Spence
8756d82cf6 Remove @group annotations
Summary: I'm pretty sure that `@group` annotations are useless now... see D9855. Also fixed various other minor issues.

Test Plan: Eye-ball it.

Reviewers: #blessed_reviewers, epriestley, chad

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D9859
2014-07-10 08:12:48 +10:00
epriestley
add7bc418d Allow Herald to "Require legal signatures" for reviews
Summary:
Ref T3116. Add a Herald action "Require legal signatures" which requires revision authors to accept legal agreements before their revisions can be accepted.

  - Herald will check which documents the author has signed, and trigger a "you have to sign X, Y, Z" for other documents.
  - If the author has already signed everything, we don't spam the revision -- basically, this only triggers when signatures are missing.
  - The UI will show which documents must be signed and warn that the revision can't be accepted until they're completed.
  - Users aren't allowed to "Accept" the revision until documents are cleared.

Fixes T1157. The original install making the request (Hive) no longer uses Phabricator, and this satisfies our requirements.

Test Plan:
  - Added a Herald rule.
  - Created a revision, saw the rule trigger.
  - Viewed as author and non-author, saw field UI (generic for non-author, specific for author), transaction UI, and accept-warning UI.
  - Tried to accept revision.
  - Signed document, saw UI update. Note that signatures don't currently //push// an update to the revision, but could eventually (like blocking tasks work).
  - Accepted revision.
  - Created another revision, saw rules not add the document (since it's already signed, this is the "no spam" case).

Reviewers: btrahan, chad

Reviewed By: chad

Subscribers: asherkin, epriestley

Maniphest Tasks: T1157, T3116

Differential Revision: https://secure.phabricator.com/D9771
2014-06-29 07:53:53 -07:00
epriestley
b20884a842 Substantially support character encodings and "Highlight As" in changesets
Summary: Ref T5179. Ref T4045. Ref T832. We can now write non-utf8 hunks into the database, so try to do more reasonable things with them in the UI.

Test Plan: (See screenshots...)

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T832, T4045, T5179

Differential Revision: https://secure.phabricator.com/D9294
2014-06-20 11:49:41 -07:00
Joshua Spence
0a62f13464 Change double quotes to single quotes.
Summary: Ran `arc lint --apply-patches --everything` over rP, mainly to change double quotes to single quotes where appropriate. These changes also validate that the `ArcanistXHPASTLinter::LINT_DOUBLE_QUOTE` rule is working as expected.

Test Plan: Eyeballed it.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D9431
2014-06-09 11:36:50 -07:00
epriestley
b64407d47e Fix explosive runtime of detectCopiedCode()
Summary:
Fixes T5041. Pretty sure this is the issue: if a diff contains a large number of identical lines longer than 30 characters, we end up paying O(N^2) for each set.

Instead, when N > 16, opt to pay 0.

Test Plan: Added a test which dropped from ~100s to ~0 after changes (this diff includes a reduced-strenght version of the test, since parsing a 4,000 line diff is a little bit pricey).

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T5041

Differential Revision: https://secure.phabricator.com/D9178
2014-05-19 12:39:12 -07:00
epriestley
d744d5d859 Fix binary/utf8 issues with Differential changeset parse cache
Summary:
Fixes T4898. After we increased the strictness of the `%s` conversion, most `serialize()` output is rejected from the cache.

Drop the cache, change the column type to latin1_bin, and then use `%B` to mark the data as binary during query construction.

Test Plan: Viewed Differential, saw cache fills.

Reviewers: btrahan, spicyj

Reviewed By: spicyj

Subscribers: epriestley

Maniphest Tasks: T4898

Differential Revision: https://secure.phabricator.com/D9171
2014-05-17 16:34:13 -07:00
epriestley
13dae05193 Make most file reads policy-aware
Summary: Ref T603. Swaps out most `PhabricatorFile` loads for `PhabricatorFileQuery`.

Test Plan:
  - Viewed Differential changesets.
  - Used `file.info`.
  - Used `file.download`.
  - Viewed a file.
  - Deleted a file.
  - Used `/Fnnnn` to access a file.
  - Uploaded an image, verified a thumbnail generated.
  - Created and edited a macro.
  - Added a meme.
  - Did old-school attach-a-file-to-a-task.
  - Viewed a paste.
  - Viewed a mock.
  - Embedded a mock.
  - Profiled a page.
  - Parsed a commit with image files linked to a revision with image files.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T603

Differential Revision: https://secure.phabricator.com/D7178
2013-09-30 09:38:13 -07:00
Bob Trahan
ab2ae9e47f Differential - make sure not to return change type header if we're not top level
Summary: Followup to D6924. Fixes T3824.

Test Plan: deleted a file in a diff. was able to view file content without JS errors

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Maniphest Tasks: T3824

Differential Revision: https://secure.phabricator.com/D6963
2013-09-12 16:00:00 -07:00
Wez Furlong
11f1268e99 don't throw BadMethodCallException on diffs that add images
Summary:
I don't know if there is something more sinister going on
under the covers, but we have a couple of diffs that trigger:

Unhandled Exception ("BadMethodCallException")
Call to a member function getMetadata() on a non-object

when the diff page is handling its async render calls.  One diff
in particular has multiple image adds and thus has a stack of of these
error dialogs to close.

This isn't a new regression, we just haven't gotten around to debugging
it until now (reported on 6/12)

One revision that triggers it has two diffs.  If I show Base -> Diff 1
I don't hit the error.  When I select Base -> Diff 2, or Diff 1 -> Diff
2, the error triggers.

I don't understand what this means, but this diff avoids the null object
reference that causes the exception.

Test Plan:
Load the offending diff, don't hit the error. The diff loads
the images that were added

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6851
2013-08-30 08:15:10 -07:00
Jakub Vrana
0529acd05b Fix typo in comment 2013-06-28 09:40:00 -07:00
epriestley
a22bea2a74 Apply lint rules to Phabricator
Summary: Mostly applies a new call spacing rule; also a few things that have slipped through via pull requests and such

Test Plan: `find src/ -type f -name '*.php' | xargs -n16 arc lint --output summary --apply-patches`

Reviewers: chad

Reviewed By: chad

CC: aran

Differential Revision: https://secure.phabricator.com/D5002
2013-02-19 13:33:10 -08:00
epriestley
4f42d85c1c Use a serialize()-based cache instead of a JSON-based cache for changesets
Summary: These are full of PhutilSafeHTML objects now, which are destroyed by JSON serialization.

Test Plan: Dropped cache, then reloaded pages.

Reviewers: vrana

Reviewed By: vrana

CC: aran

Differential Revision: https://secure.phabricator.com/D4942
2013-02-13 14:45:57 -08:00
epriestley
4bd2ad9270 Merge branch 'master' into phutil_tag
Auditors: vrana
2013-02-13 12:42:57 -08:00
vrana
4eb84149c2 Convert everything to safe HTML
Summary: Sgrepped for `"=~/</"` and manually changed every HTML.

Test Plan: This doesn't work yet but it is hopefully one of the last diffs before Phabricator will be undoubtedly HTML safe.

Reviewers: epriestley

CC: aran, Korvin

Maniphest Tasks: T2432

Differential Revision: https://secure.phabricator.com/D4927
2013-02-13 12:35:40 -08:00
vrana
b72e7969a1 Move Pygments handling to libphutil
Test Plan: None.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4875
2013-02-09 15:19:55 -08:00
Nick Pellegrino
3e6fa43658 getConfigEnv fails fast when key is not found and no default value is given.
Summary:
T2345
getConfig throws an Exception when the key does not exist.
Also removes dead code that throws an Exception.

Test Plan:
Reloaded the Phabricator home page.  In the process, found
2 Exceptions thrown due to nonexistent keys.  After addressing these problems,
the home page loads without Exceptions.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4541
2013-01-19 12:11:28 -08:00
vrana
df8d0a578b Correctly handle unset generated paths 2013-01-16 16:57:09 -08:00
Ricky Elrod
e974ffea7f Remove curly braces around line count.
Summary:
I'm assuming they aren't meant to be there.

Old:
This file has a very large number of changes ({4,032} lines). Show File Contents

New:
This file has a very large number of changes (4,032 lines). Show File Contents

Test Plan:
Saved a 5000-line test file, diffed from /dev/null, uploaded diff to local
instance, viewed.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4462
2013-01-16 07:26:40 -08:00
epriestley
4566b86376 Fix two diff rendering bugs
Summary:
  - The order of operations for file changes is wrong. We need to wrap them in a table, then render the changeset talbe around that table.
  - Line data was being set to late, so renderShield() got the wrong line count and rendered empty diffs behind, e.g., generated changes.

Test Plan: Looked at an image change with property changes. Clicked "show file contents" on a generated file.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4432
2013-01-15 08:07:40 -08:00
epriestley
2de107f21b Remove DifferentialChangesetRenderer->(g|s)etLineCount()
Summary: The "line count" is always the same as count($this->getOldLines()), and somewhat misleading since it's really "number of rows in the two-up view". D4421 removed the only (or only remaining?) call.

Test Plan: looked at some diffs

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4422
2013-01-14 14:20:26 -08:00
epriestley
612b29fff4 Implement basic one-up and test renderers
Summary:
This is a half-step toward one-up and test renderers. This is mostly a structural change, and has no user-facing impact. It splits the rendering hierarchy like this:

  - Renderer (more methods are abstract than before)
    - HTML Renderer (most HTML stuff has moved down from the base to here)
      - HTML 1-up (placeholder only -- not yet a functional implementation)
      - HTML 2-up (minimal changes, uses mostly old code)
    - Test Renderer (unit-testable renderer base, implements text versions of the HTML stuff)
      - Test 1-up (selects 1-up mode for test rendering)
      - Test 2-up (selects 2-up mode for test rendering)

Broadly, I'm trying to share as much code as possible by splitting rendering into more, smaller stages. Specifically, we do this:

  - Combine the various sorts of inputs (changes, context, inlines, etc.) into a single, relatively homogenous list of "primitives". This happens in the base class.
    - The primitive types are: old (diff left side), new (diff right side), context ("show more context"), no-context ("context not available") and inline (inline comment).
  - Possibly, apply a filtering/reordering step to the primitives to get them ready for 1-up rendering. This mostly removes information, and does a small amount of reordering. This also happens in the base class.
  - Pass the primitives to the actual renderer, to convert them into HTML, text, or whatever else. This happens in the leaf class.

The primitive implementation is not yet complete (it doesn't attach as much information to the primitives as it should -- stuff like coverage and copies), but covers the basics.

The existing HTMLTwoUp renderer does not use the primitive path; instead, it still goes down the old path.

Test Plan: Ran unit tests, looked at a bunch of diffs.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4421
2013-01-14 14:20:06 -08:00
epriestley
dbdb01f858 Fix whitespace and unchanged file shields
Summary:
Fixes T181. I actually have no idea what the original issue in T181 was, but this fixes several problems:

  - The code for figuring out whitespace-only changes was extremely confusing and probably buggy (the code for figuring out unchanged files was equally confusing but probably less buggy).
  - When rendering a whitespace shield, we did not offer a "Show Changes" link. Instead, show the "Show Changes" link: we can always render the content beneath this link.
  - When clicking "Show Changes", we used the current whitespace mode, which might result in a diff with no changes. Instead, force "show all" whitespace mode.
  - We never offered a "show changes" link for unchanged files. Instead, offer this link if we can service it.
  - When clicking "Show Changes", we pierced the shield but didn't force file content, which would fold the entire file even if it was available. Instead, force the file content.

Test Plan: Generated whitespace-only and no-change diffs. Clicked shield links, or verified no shield link available in no-change-with-no-content. Generated an "@generated" change, verified shield worked correctly.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T181, T2009

Differential Revision: https://secure.phabricator.com/D4407
2013-01-11 15:27:42 -08:00
epriestley
039a5a6d86 Simplify hunk parsing
Summary:
Simplify whitespace-ignoring diffing:

  - Currently, we generate two diffs (one ignoring whitespace, one normal) and then copy the //text content// from the normal one to the whitespace-ignoring one.
  - Instead, copy the //change types// from the ignoring one to the normal one.
    - This is cheaper and much simpler.
    - It means that we have the right change types in reparseHunksForSpecialAttributes(), and can simplify some other things.

Simplify whitespace changes, unchanged files, and deleted file detections:

  - Currently, we do this inline with a bunch of other stuff, in the reparse step.
  - Instead, do it separately. This is simpler.

Simplify intraline whitespace handling:

  - Currently, this is a complicated mess that makes roughly zero sense.
  - Instead, do it in reparse in a straightforward way.

Partially fix handling of files changed only by changing whitespace.
Partially fix handling of unchanged files.

Test Plan:
  - Ran unit tests.
  - Created context-less diffs, verified they rendered reasonably.
  - Generated a diff with prefix whitespace, suffix whitespace, intraline whitespace, and non-whitespace changes. Verified changes rendered correctly in "ignore most" and "show all" modes.
  - Verified unchanged files and files with only whitspace changes render with the correct masks.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4398
2013-01-11 15:25:15 -08:00
epriestley
6a69108358 Simplify context parsing and add test coverage
Summary:
  - Remove 'missingNew', etc. It's impossible for a diff to popluate these, as far as I can tell (I can't generate such a diff, or find any which generate it).
  - Add unit tests.

Test Plan: Unit tests, viewed a diff with some missing context.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4393
2013-01-10 16:06:39 -08:00
epriestley
9aeebbbf58 Fix "context not available" in contextless diffs
Summary: D4351 swapped this from a map to a list, and then stopped it from getting to the ChangesetParser so it didn't make it to the Renderer.

Test Plan: Ran "arc diff", copy/pasted it into the web UI. Saw a diff with "context not available" blocks in between missing contexts.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4384
2013-01-10 09:51:52 -08:00
Bob Trahan
f1d7c8fbf8 fix whitespace mode for differentialHunkParser
Summary: I forgot to "set it" from the changeset parser.

Test Plan: made a diff with silly whitespace changes. toggled the various whitespace modes and got appropriate results

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4378
2013-01-09 13:28:27 -08:00
Bob Trahan
84c27ae255 re-factor DifferentialChangesetParser pass 3 / N
Summary: introducing a new friend called DifferentialHunkParser. Sort of like the DifferentialChangesetParser but works with hunks only. tried to grab hunk parsing type things from across the code base and move them into this new class.

Test Plan: unit tests and played around in Differential a bit.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4351
2013-01-09 13:11:17 -08:00
Bob Trahan
fcc5366eff fix differential + diffusion for showing generated files
Summary: in the re-factor quest this got broken. Turns out NewLines (aka $this->new in the parser) gets updated right up until the very end for showing text changes so instead pass over the total line count to the renderer to get this codepath right.

Test Plan: showed content of some generated files in diffusion and all was well

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2204

Differential Revision: https://secure.phabricator.com/D4237
2012-12-19 10:56:00 -08:00
epriestley
406833ba90 Minor, fix a variable name after recent refactoring.
Test plan: Observed no fatal when viewing a diff which removes an image.

Auditors: btrahan
2012-12-13 09:49:03 -08:00
Bob Trahan
c970f7e89c refactor pass 2 of N on DifferentialChangesetParser and bonus bug fix
Summary: pull out some more stuff from the TwoUp renderer that's generically useful. also clean up $xhp variable and add a get method for the $coverage. Finally, fix T2177 while I'm in here.

Test Plan: played around with Differential. Also opened things up in Firefox to verify T2177.

Reviewers: epriestley, vrana

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2009, T2177

Differential Revision: https://secure.phabricator.com/D4161
2012-12-11 17:16:11 -08:00
epriestley
6ed02e6ee8 Restore "Reply" action to Differential inline comments
Summary: Minor issue from D4117, user doesn't get passed down so inline comments are missing their "reply" link.

Test Plan: Looked at Differential, saw reply link.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D4145
2012-12-10 15:12:32 -08:00
hfcorriez
81d59a0b77 Fix call to undefined method for DifferentialChangesetParser::originalRight() 2012-12-10 17:47:58 +08:00
Bob Trahan
638449b483 removed some debugging code from D4117
Summary: whoops!

Test Plan: no more debugging code

Reviewers: epriestley, vrana

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4121
2012-12-07 18:08:27 -08:00
Bob Trahan
75e8ff26f5 Refactor DifferentialChangesetParser -- pass 1 of N
Summary:
basically did my darnedest to pull out a TwoUp rendering view. Made a base class for the rendering views with "old" and "new" terminology rather than "left" and "right.

Future revisions will finish cleaning up the terminology within the DifferentialChangesetParser itself and more of the ideas within T2009.

Test Plan: been playing with differential all day

Reviewers: epriestley

Reviewed By: epriestley

CC: vrana, chad, aran, Korvin

Maniphest Tasks: T2009

Differential Revision: https://secure.phabricator.com/D4117
2012-12-07 16:19:57 -08:00