From: C. Scott Ananian
foo
!! end @@ -1037,7 +1050,16 @@ parsoid=wt2html,wt2wt !''a!!''b |''a||''b |} -!! html +!! html/php+tidy +a | +b | +a | +b | +
---|
a | b | a | b |
---|
Foo!! | ++ |
Foo!! |
a + | +b + |
a | @@ -5312,9 +5542,14 @@ Wikitext table with html-syntax rowfoo |
a
+!! html/parsoida |
tags should be recognized in an explicitcontext, but not in an implicit context !! options parsoid=wt2html,wt2wt !! wikitext @@ -5341,7 +5584,28 @@ parsoid=wt2html,wt2wt |- b |} -!! html +!! html/php + + +
+ +!! html/php+tidy ++ + b ++ a ++b
++
+!! html/parsoid+ ++ ++a +!! end +# PHP + Tidy strips the list out of the table; Parsoid wraps it. !! test Lists should be recognized in an implicit
@@ -5350,9 +5614,9 @@ parsoid=wt2html,wt2wt acontext -(PHP parser relies on Tidy to add the missing tags) !! options parsoid=wt2html,wt2wt !! wikitext @@ -5360,7 +5624,17 @@ parsoid=wt2html,wt2wt |- *a |} -!! html +!! html/php + + +
+ +!! html/php+tidy ++
- a
+
+!! html/parsoid- a
+!! end +# PHP throws away the (semi-broken) "foo" class here; Parsoid +# preserves it. !!test Parsoid: Recover better from broken table attributes !!options @@ -5451,6 +5736,14 @@ parsoid=wt2html | class="bar" | foo |} +!!html/php+tidy +
@@ -5433,15 +5707,26 @@ parsoid=wt2html,wt2wt ! foo || bar || baz || quux |} +!! html/php +
+
+ !! html/parsoid+ foo +bar + +baz +quux + - -
+foo bar -baz -quux + foo bar + baz quux +
!!html/parsoid+ ++ +foo
++!! html/php+tidy +
@@ -6028,6 +6321,8 @@ title=[[Bug462]] !! html/php tag gets parsed as text and html-escaped by PHP, +# and then fostered out of the table by tidy.) +# We believe the Parsoid output to be correct. !! test Table with missing openingBug462 Bug462
+!! html/php+tidy +Bug462 Bug462
!! html/parsoid !! end @@ -6161,6 +6456,9 @@ Purely hash wikilink title=[[User:test/123]] !! wikitext [[#a|b]] +!! html/php +b +
!! html/parsoid !! end @@ -6269,8 +6567,8 @@ Parsoid-centric test: Whitespace in ext- and wiki-links should be preserved [http://wp.org ''foo''] !! html -bar -
bar +
bar +
@@ -6290,6 +6588,9 @@ parsoid Link with angle bracket after anchor !! wikitext [[Foo#]] +!! html/php + !! html/parsoid !! end @@ -6325,6 +6626,11 @@ Interwiki link encoding conversion (bug 1636) +!! html+tidy + !! end !! test @@ -6803,6 +7109,9 @@ Broken br tag sanitization !! end # TODO: Fix html2html mode (bug 51055)! +# This handling was added as part of bug 50831; but it +# differs from how PHP+tidy handles this. We should investigate +# this. !! test Parsoid: Broken br tag recognition !! options @@ -6811,6 +7120,9 @@ parsoid=wt2html
+!! html/php+tidy +</br>
+!! html/parsoid
@@ -6938,6 +7250,9 @@ Horizontal ruler -- Supports content following dashes on same line !! html
Foo +!! html+tidy +
+Foo
!! end ### @@ -7189,6 +7504,12 @@ Multiple list tags generated by templates +!! html+tidy ++
!!end !!test @@ -7230,7 +7551,7 @@ Replacing whitespace with tabs still doesn't break the list (gerrit 78327) !!test Test the li-hack -(Cannot test this with PHP parser since it relies on Tidy for the hack) +(The PHP parser relies on Tidy for the hack) !!options parsoid=wt2html,wt2wt !! wikitext @@ -7243,19 +7564,15 @@ parsoid=wt2html,wt2wt- a
+- b
+- c
+- not a li-hack
-!! html +!! html+tidy-
-- foo
+- foo
- li-hack
-- templated li-hack
-- -
- li-hack with preceding comments
+- templated li-hack
+- unsupported li-hack with preceding comments
- -
!!end @@ -7305,47 +7622,60 @@ parsoid !! test Unbalanced closing block tags break a list -(Parsoid-only since php parser generates broken html -- relies on Tidy to fix up) +(php parser relies on Tidy to fix up) !! wikitext- not a li-hack -
+- not a li-hack
*a*b-!! html/parsoid +!! html+tidy-
- a -
-++- a
+ ++-
- b -
-- b
+ + !! end +# Parsoid fails this test, but it might be tricky to support properly. +# See bug 68395. !! test Unbalanced closing non-block tags don't break a list -(Parsoid-only since php parser generates broken html -- relies on Tidy to fix up) +(php parser relies on Tidy to fix up) !! wikitext *a *b +!! html/php+tidy ++
!! html/parsoid -- a
+- b
+-
++ !! end !! test Unclosed formatting tags that straddle lists are closed and reopened -(Parsoid-only since php parser generates broken html -- relies on Tidy to fix up) +(php parser relies on Tidy to fix up) !! wikitext #
- a
- b
a # b+!! html/php+tidy ++
!! html/parsoid- +
a- +
b!! end +# Parsoid fails this test, but it might be tricky to support properly. +# See bug 68395. !!test List embedded in a non-block tag -(Ugly Parsoid output -- worth fixing; Disabled for PHP parser since it relies on Tidy) +(Ugly Parsoid output -- worth fixing; PHP parser relies on Tidy) !! wikitext * foo +!! html/php+tidy +
a@@ -7355,23 +7685,31 @@ Unclosed formatting tags that straddle lists are closed and reopened+
!! html/parsoid -- foo
+- !!end +# This is a bug in the PHP parser + tidy combination. +# (The
- foo
tag !! options @@ -7381,6 +7719,13 @@ parsoid=wt2html,wt2wt foo </tr>
++
!! html/parsoid+ +foo +-!!end +!! html+tidy +
@@ -7837,9 +8182,11 @@ Magic Word: {{PAGENAME}} with metacharacters title=[['foo & bar = baz']] !! wikitext ''{{PAGENAME}}'' -!! html +!! html/php 'foo & bar = baz'
+!! html+tidy +'foo & bar = baz'
!! end !! test @@ -7848,9 +8195,11 @@ Magic Word: {{PAGENAME}} with metacharacters (bug 26781) title=[[*RFC 1234 http://example.com/]] !! wikitext {{PAGENAME}} -!! html +!! html/php*RFC 1234 http://example.com/
+!! html+tidy +*RFC 1234 http://example.com/
!! end !! test @@ -7870,9 +8219,11 @@ Magic Word: {{PAGENAMEE}} with metacharacters (bug 26781) title=[[*RFC 1234 http://example.com/]] !! wikitext {{PAGENAMEE}} -!! html +!! html/php*RFC_1234_http://example.com/
+!! html+tidy +*RFC_1234_http://example.com/
!! end !! test @@ -8376,9 +8727,16 @@ Template with thumb image (with link in description) !! wikitext {{paramtest| param =[[Image:noimage.png|thumb|[[no link|link]] [[no link|caption]]]]}} -!! html +!! html/php This is a test template with parameter +!! html+tidy +This is a test template with parameter
++!! end !! article @@ -8580,8 +8938,8 @@ Template with targets containing wikilinks {{{{echo|[[foo}}]]}} !! html -File:Noimage.png + ++{{foo}} -
{{foo}} +
{{foo}} +
{{foo}}
{{[[foo}}]]
!! end @@ -9071,6 +9429,11 @@ Templates: 2. Inside a block tagFooFoo+!! html+tidy +Foo++!!end !!test @@ -9108,7 +9471,11 @@ Templates: P-wrapping: 1c. Templates on consecutive lines barFoo
+baz-!!end +!! html+tidy +Foo
+bar
+baz+!! end !!test Templates: P-wrapping: 1d. Template preceded by comment-only line @@ -9164,7 +9531,7 @@ Templates: Links: 1. Simple example !! wikitext {{echo|[[Foo|bar]]}} !! html -bar +
!!end @@ -9173,7 +9540,7 @@ Templates: Links: 2. Generation of link href !! wikitext [[{{echo|Foo}}|bar]] !! html -bar +
!!end @@ -9192,7 +9559,7 @@ Templates: Links: 3. Generation of part of a link href [[:Foo{{echo|bar}}|bar]] !! html -bar +
bar @@ -9215,7 +9582,7 @@ Templates: Links: 5. Generation of link text !! wikitext [[Foo|{{echo|bar}}]] !! html -
bar +
!!end @@ -9224,7 +9591,7 @@ Templates: Links: 5. Nested templates (only outermost template should be marked) !! wikitext {{echo|[[{{echo|Foo}}|bar]]}} !! html -bar +
!!end @@ -9406,7 +9773,14 @@ Templates: Wiki Tables: 1a. Fostering of entire template content aa
++
+!! end !!test Templates: Wiki Tables: 1b. Fostering of entire template content @@ -9424,7 +9798,16 @@ foo+ ++
foo
++ |
a
++ |
a
+de
+!! end !!test Templates: Ugly templates: 1. Navbox template parses badly leading to table misnesting @@ -10535,6 +10930,7 @@ Image with multiple attributes from the same template !! end +# Parsoid's output here is broken (incorrect p-wrapping); see bug 64901. !! test Image with link tails !! options @@ -10549,6 +10945,19 @@ thumbsize=220 123456 123456 +!! html/php+tidy + +123
+ +456 123
+ +456
!! html/parsoid 123456 @@ -12761,6 +13170,8 @@ I always thought é was a cute letter. !! htmlI always thought é was a cute letter.
+!! html+tidy +I always thought é was a cute letter.
!! end !! test @@ -12822,6 +13233,7 @@ Ensure that HTML adoption agency algorithm is properly implemented. !! end # This was bug 41545 in the PHP parser. +# Note that tidy doesn't handle this correctly. !! test Nesting of !! wikitext @@ -12834,6 +13246,8 @@ Nesting of # The following cases were bug 51081 in the PHP parser. # Note that there are some other nestable tags (b, i, etc) which are # not covered; see bug 51081 for discussion. + +# Note that tidy doesn't handle this correctly. !! test Nesting of !! wikitext @@ -12843,6 +13257,7 @@ Nesting of !! end +# Note that tidy doesn't handle this correctly. !! test Nesting of !! wikitext @@ -12856,11 +13271,11 @@ Nesting of Nesting of!! wikitextX-!! html -YZ+!! html+tidy +
X-YZ!! end +# Note that tidy doesn't handle this correctly. !! test Nesting of !! wikitext @@ -12870,6 +13285,7 @@ Nesting of !! end +# Note that tidy doesn't handle this correctly. !! test Nesting of !! wikitext @@ -12911,6 +13327,8 @@ fixme: doBlockLevels won't wrap this in a paragraph because it contains a div !! html Safe Link<div style="display:none">" onmouseover="alert(document.cookie)" onfoo="</div> +!! html+tidy +
XYZSafe Link<div style="display:none">" onmouseover="alert(document.cookie)" onfoo="</div>
!! end !! test @@ -14056,6 +14474,17 @@ http://+!! html+tidy +Contents
onmouseover=[edit]
+http://
++!! end !! test @@ -14069,6 +14498,13 @@ Fuzz testing: Parser14-table++ +Contents
++!! html+tidy + a[edit]
++
!! end # Known to produce bogus xml (extra ) @@ -14090,6 +14526,15 @@ noxml +!! html+tidy ++ ++ +
!! end !! test @@ -14177,7 +14622,6 @@ Fuzz testing: Parser25 (bug 6055) !!test Fuzz testing: URL adjacent extension (with space, clean) -!! options !! wikitext http://example.com+ +https:// ++ + + junk !! html @@ -14187,7 +14631,6 @@ http://example.comjunk !!test Fuzz testing: URL adjacent extension (no space, dirty; nowiki) -!! options !! wikitext http://example.comjunk !! html @@ -14197,12 +14640,16 @@ http://example.comjunk !!test Fuzz testing: URL adjacent extension (no space, dirty; pre) -!! options !! wikitext http://example.comjunk!! html http://example.comjunk+!! html+tidy + ++junk +!!end !!test @@ -15595,6 +16042,8 @@ parsoid=wt2html,wt2wt,html2html !! html/phpJavaScript
+!! html/php+tidy +JavaScript
!! html/parsoidJavaScript
!! end @@ -15619,6 +16068,8 @@ parsoid=wt2html,wt2wt,html2html !! html/phpîî
+!! html/php+tidy +îî
!! html/parsoidîî
!! end @@ -15640,6 +16091,8 @@ ISBN 978-0-1234-56 789 !! html +!! html+tidy + !! end !! test @@ -15711,6 +16164,8 @@ RFC 983 987 !! htmlRFC 983 987
+!! html+tidy +RFC 983 987
!! end !! test @@ -16928,6 +17383,10 @@ Line twoLine one Line two+!! html+tidy ++!! end !! test @@ -16943,6 +17402,10 @@ Line two Line two +!! html+tidy +Line one Line two
++!! end !! test @@ -16958,6 +17421,11 @@ Line two +!! html+tidy +Line one
+Line two+!! end !! test @@ -16975,6 +17443,11 @@ Line two +!! html+tidy +Line one
+Line two
++!! end !! test @@ -17735,6 +18208,20 @@ __TOC__Line one
+Line two
++!! html+tidy +
Quote[edit]++++Contents
++
+- 1 Quote
++
++Quote
+[edit]
!! end !! test @@ -17777,6 +18264,22 @@ __TOC__Foo Bar[edit]
Foo
+!! html+tidy + +Bar[edit]Foo Bar[edit]
+Foo
+++Bar
+[edit]
!! end !! test @@ -17959,7 +18462,7 @@ nowiki inside link inside heading (bug 18295) !! wikitext ==[[foo|xy z]]== !! html -xyz[edit]
+xyz[edit]
!! end @@ -20159,6 +20662,13 @@ Indented block & table {| |foo |} +!! html/php +foo++
+ !! html/parsoid+ foo + foo@@ -20173,6 +20683,13 @@ Indent and comment before table row |- | there |} +!! html/php +
+ +
+ !! html/parsoid+ there +
diff --git a/tests/phpunit/includes/parser/NewParserTest.php b/tests/phpunit/includes/parser/NewParserTest.php index 0499f882e7..750ada8338 100644 --- a/tests/phpunit/includes/parser/NewParserTest.php +++ b/tests/phpunit/includes/parser/NewParserTest.php @@ -36,6 +36,10 @@ class NewParserTest extends MediaWikiTestCase { * @var DjVuSupport */ private $djVuSupport; + /** + * @var TidySupport + */ + private $tidySupport; protected $file = false; @@ -95,8 +99,6 @@ class NewParserTest extends MediaWikiTestCase { $tmpGlobals['wgUseImageResize'] = true; $tmpGlobals['wgAllowExternalImages'] = true; $tmpGlobals['wgRawHtml'] = false; - $tmpGlobals['wgUseTidy'] = false; - $tmpGlobals['wgAlwaysUseTidy'] = false; $tmpGlobals['wgWellFormedXml'] = true; $tmpGlobals['wgAllowMicrodataAttributes'] = true; $tmpGlobals['wgExperimentalHtmlIds'] = false; @@ -153,8 +155,19 @@ class NewParserTest extends MediaWikiTestCase { # see https://gerrit.wikimedia.org/r/111390 $tmpGlobals['wgExtraInterlanguageLinkPrefixes'] = array( 'mul' ); - //DjVu support + // DjVu support $this->djVuSupport = new DjVuSupport(); + // Tidy support + $this->tidySupport = new TidySupport(); + // We always set 'wgUseTidy' to false when parsing, but certain + // test-running modes still use tidy if available, so ensure + // that the tidy-related options are all set to their defaults. + $tmpGlobals['wgUseTidy'] = false; + $tmpGlobals['wgAlwaysUseTidy'] = false; + $tmpGlobals['wgDebugTidy'] = false; + $tmpGlobals['wgTidyConf'] = $IP . '/includes/tidy.conf'; + $tmpGlobals['wgTidyOpts'] = ''; + $tmpGlobals['wgTidyInternal'] = $this->tidySupport->isInternal(); $this->setMwGlobals( $tmpGlobals ); @@ -735,6 +748,14 @@ class NewParserTest extends MediaWikiTestCase { $output = $parser->parse( $input, $title, $options, true, true, 1337 ); $output->setTOCEnabled( !isset( $opts['notoc'] ) ); $out = $output->getText(); + if ( isset( $opts['tidy'] ) ) { + if ( !$this->tidySupport->isEnabled() ) { + $this->markTestSkipped( "SKIPPED: tidy extension is not installed.\n" ); + } else { + $out = MWTidy::tidy( $out ); + $out = preg_replace( '/\s+$/', '', $out); + } + } if ( isset( $opts['showtitle'] ) ) { if ( $output->getTitleText() ) { @@ -745,21 +766,19 @@ class NewParserTest extends MediaWikiTestCase { } if ( isset( $opts['ill'] ) ) { - $out = $this->tidy( implode( ' ', $output->getLanguageLinks() ) ); + $out = implode( ' ', $output->getLanguageLinks() ); } elseif ( isset( $opts['cat'] ) ) { $outputPage = $context->getOutput(); $outputPage->addCategoryLinks( $output->getCategories() ); $cats = $outputPage->getCategoryLinks(); if ( isset( $cats['normal'] ) ) { - $out = $this->tidy( implode( ' ', $cats['normal'] ) ); + $out = implode( ' ', $cats['normal'] ); } else { $out = ''; } } $parser->mPreprocessor = null; - - $result = $this->tidy( $result ); } $this->teardownGlobals(); @@ -963,23 +982,6 @@ class NewParserTest extends MediaWikiTestCase { //Various "cleanup" functions - /** - * Run the "tidy" command on text if the $wgUseTidy - * global is true - * - * @param string $text The text to tidy - * @return string - */ - protected function tidy( $text ) { - global $wgUseTidy; - - if ( $wgUseTidy ) { - $text = MWTidy::tidy( $text ); - } - - return $text; - } - /** * Remove last character if it is a newline * @param string $s diff --git a/tests/testHelpers.inc b/tests/testHelpers.inc index 717c5f34d7..ea4d3c53d4 100644 --- a/tests/testHelpers.inc +++ b/tests/testHelpers.inc @@ -364,6 +364,10 @@ class TestFileIterator implements Iterator { private $sectionData = array(); private $lineNum; private $eof; + # Create a fake parser tests which never run anything unless + # asked to do so. This will avoid running hooks for a disabled test + private $delayedParserTest; + private $nextSubTest = 0; function __construct( $file, $parserTest ) { $this->file = $file; @@ -374,6 +378,7 @@ class TestFileIterator implements Iterator { } $this->parserTest = $parserTest; + $this->delayedParserTest = new DelayedParserTest(); $this->lineNum = $this->index = 0; } @@ -412,12 +417,71 @@ class TestFileIterator implements Iterator { return $this->eof != true; } + function setupCurrentTest() { + // "input" and "result" are old section names allowed + // for backwards-compatibility. + $input = $this->checkSection( array( 'wikitext', 'input' ), false ); + $result = $this->checkSection( array( 'html/php', 'html/*', 'html', 'result' ), false ); + // some tests have "with tidy" and "without tidy" variants + $tidy = $this->checkSection( array( 'html/php+tidy', 'html+tidy'), false ); + if ( $tidy != false ) { + if ( $this->nextSubTest == 0 ) { + if ( $result != false ) { + $this->nextSubTest = 1; // rerun non-tidy variant later + } + $result = $tidy; + } else { + $this->nextSubTest = 0; // go on to next test after this + $tidy = false; + } + } + + if ( !isset( $this->sectionData['options'] ) ) { + $this->sectionData['options'] = ''; + } + + if ( !isset( $this->sectionData['config'] ) ) { + $this->sectionData['config'] = ''; + } + + $isDisabled = preg_match( '/\\bdisabled\\b/i', $this->sectionData['options'] ) && !$this->parserTest->runDisabled; + $isParsoidOnly = preg_match( '/\\bparsoid\\b/i', $this->sectionData['options'] ) && $result == 'html' && !$this->parserTest->runParsoid; + $isFiltered = !preg_match( "/" . $this->parserTest->regex . "/i", $this->sectionData['test'] ); + if ( $input == false || $result == false || $isDisabled || $isParsoidOnly || $isFiltered ) { + # disabled test + return false; + } + + # We are really going to run the test, run pending hooks and hooks function + wfDebug( __METHOD__ . " unleashing delayed test for: {$this->sectionData['test']}" ); + $hooksResult = $this->delayedParserTest->unleash( $this->parserTest ); + if ( !$hooksResult ) { + # Some hook reported an issue. Abort. + throw new MWException( "Problem running hook" ); + } + + $this->test = array( + 'test' => ParserTest::chomp( $this->sectionData['test'] ), + 'input' => ParserTest::chomp( $this->sectionData[$input] ), + 'result' => ParserTest::chomp( $this->sectionData[$result] ), + 'options' => ParserTest::chomp( $this->sectionData['options'] ), + 'config' => ParserTest::chomp( $this->sectionData['config'] ), + ); + if ( $tidy != false ) { + $this->test['options'] .= " tidy"; + } + return true; + } + function readNextTest() { - $this->clearSection(); + # Run additional subtests of previous test + while ( $this->nextSubTest > 0 ) + if ( $this->setupCurrentTest() ) + return true; - # Create a fake parser tests which never run anything unless - # asked to do so. This will avoid running hooks for a disabled test - $delayedParserTest = new DelayedParserTest(); + $this->clearSection(); + # Reset hooks for the delayed test object + $this->delayedParserTest->reset(); while ( false !== ( $line = fgets( $this->fh ) ) ) { $this->lineNum++; @@ -446,7 +510,7 @@ class TestFileIterator implements Iterator { $line = trim( $line ); if ( $line ) { - $delayedParserTest->requireHook( $line ); + $this->delayedParserTest->requireHook( $line ); } } @@ -462,7 +526,7 @@ class TestFileIterator implements Iterator { $line = trim( $line ); if ( $line ) { - $delayedParserTest->requireFunctionHook( $line ); + $this->delayedParserTest->requireFunctionHook( $line ); } } @@ -489,52 +553,14 @@ class TestFileIterator implements Iterator { if ( $this->section == 'end' ) { $this->checkSection( 'test' ); - // "input" and "result" are old section names allowed - // for backwards-compatibility. - $input = $this->checkSection( array( 'wikitext', 'input' ), false ); - $result = $this->checkSection( array( 'html/php', 'html/*', 'html', 'result' ), false ); - - if ( !isset( $this->sectionData['options'] ) ) { - $this->sectionData['options'] = ''; - } - - if ( !isset( $this->sectionData['config'] ) ) { - $this->sectionData['config'] = ''; - } - - if ( $input == false || $result == false || - ( ( preg_match( '/\\bdisabled\\b/i', $this->sectionData['options'] ) - && !$this->parserTest->runDisabled ) - || ( preg_match( '/\\bparsoid\\b/i', $this->sectionData['options'] ) - && $result != 'html/php' && !$this->parserTest->runParsoid ) - || !preg_match( "/" . $this->parserTest->regex . "/i", $this->sectionData['test'] ) ) - ) { - # disabled test - $this->clearSection(); - - # Forget any pending hooks call since test is disabled - $delayedParserTest->reset(); - - continue; - } - - # We are really going to run the test, run pending hooks and hooks function - wfDebug( __METHOD__ . " unleashing delayed test for: {$this->sectionData['test']}" ); - $hooksResult = $delayedParserTest->unleash( $this->parserTest ); - if ( !$hooksResult ) { - # Some hook reported an issue. Abort. - return false; - } - - $this->test = array( - 'test' => ParserTest::chomp( $this->sectionData['test'] ), - 'input' => ParserTest::chomp( $this->sectionData[$input] ), - 'result' => ParserTest::chomp( $this->sectionData[$result] ), - 'options' => ParserTest::chomp( $this->sectionData['options'] ), - 'config' => ParserTest::chomp( $this->sectionData['config'] ), - ); - - return true; + do { + if ( $this->setupCurrentTest() ) + return true; + } while ( $this->nextSubTest > 0 ); + # go on to next test (since this was disabled) + $this->clearSection(); + $this->delayedParserTest->reset(); + continue; } if ( isset( $this->sectionData[$this->section] ) ) { @@ -732,7 +758,7 @@ class DjVuSupport { } /** - * Returns if the DjVu tools are usable + * Returns true if the DjVu tools are usable * * @return bool */ @@ -745,3 +771,43 @@ class DjVuSupport { && is_executable( $wgDjvuTxt ); } } + +/** + * Initialize and detect the tidy support + */ +class TidySupport { + private $internalTidy; + private $externalTidy; + + /** + * Determine if there is a usable tidy. + */ + public function __construct() { + global $wgTidyBin; + + $this->internalTidy = extension_loaded( 'tidy' ) && + class_exists( 'tidy' ); + + $this->externalTidy = is_executable( $wgTidyBin ) || + Installer::locateExecutableInDefaultPaths( array( $wgTidyBin ) ) + !== false; + } + + /** + * Returns true if we should use internal tidy. + * + * @return bool + */ + public function isInternal() { + return $this->internalTidy; + } + + /** + * Returns true if tidy is usable + * + * @return bool + */ + public function isEnabled() { + return $this->internalTidy || $this->externalTidy; + } +}