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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
bin Port Diviner Core to Phabricator 2013-01-07 14:04:23 -08:00
conf Port MySQL settings to PHP 2013-01-03 06:01:14 -08:00
externals one more phame tweak for better social sharing -- make sure $uri is the full uri 2012-12-21 13:46:23 -08:00
resources Added Feed icons. 2013-01-10 10:00:18 -08:00
scripts Remove all older-style navs 2013-01-09 12:03:58 -08:00
src Simplify hunk parsing 2013-01-11 15:25:15 -08:00
support Consolidate environmental initialization 2012-12-25 06:15:28 -08:00
webroot Update tables to table-kit view. 2013-01-11 11:24:35 -08:00
.arcconfig Delete license headers from files 2012-11-05 11:16:51 -08:00
.divinerconfig Centralize rendering of application mail bodies 2012-07-16 19:01:43 -07:00
.editorconfig Specify config for text editors 2012-11-03 22:34:44 -07:00
.gitignore Add a local configuration source and a non-environmental ENV config source 2012-12-30 06:16:15 -08:00
.gitmodules Just change the location. 2011-05-28 15:14:54 -07:00
LICENSE Delete license headers from files 2012-11-05 11:16:51 -08:00
NOTICE Increment year. 2013-01-03 05:45:08 -08:00
README Delete license headers from files 2012-11-05 11:16:51 -08:00

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