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-rw-r--r--maintenance/language/generateCollationData.php102
1 files changed, 82 insertions, 20 deletions
diff --git a/maintenance/language/generateCollationData.php b/maintenance/language/generateCollationData.php
index e34d9a13..12823c0c 100644
--- a/maintenance/language/generateCollationData.php
+++ b/maintenance/language/generateCollationData.php
@@ -30,19 +30,19 @@ require_once( __DIR__ .'/../Maintenance.php' );
*/
class GenerateCollationData extends Maintenance {
/** The directory with source data files in it */
- var $dataDir;
+ public $dataDir;
/** The primary weights, indexed by codepoint */
- var $weights;
+ public $weights;
/**
* A hashtable keyed by codepoint, where presence indicates that a character
* has a decomposition mapping. This makes it non-preferred for group header
* selection.
*/
- var $mappedChars;
+ public $mappedChars;
- var $debugOutFile;
+ public $debugOutFile;
/**
* Important tertiary weights from UTS #10 section 7.2
@@ -61,18 +61,80 @@ class GenerateCollationData extends Maintenance {
public function execute() {
$this->dataDir = $this->getOption( 'data-dir', '.' );
- if ( !file_exists( "{$this->dataDir}/allkeys.txt" ) ) {
- $this->error( "Unable to find allkeys.txt. Please download it from " .
- "http://www.unicode.org/Public/UCA/latest/allkeys.txt and specify " .
- "its location with --data-dir=<DIR>" );
- exit( 1 );
- }
- if ( !file_exists( "{$this->dataDir}/ucd.all.grouped.xml" ) ) {
- $this->error( "Unable to find ucd.all.grouped.xml. Please download it " .
- "from http://www.unicode.org/Public/6.0.0/ucdxml/ucd.all.grouped.zip " .
- "and specify its location with --data-dir=<DIR>" );
+
+ $allkeysPresent = file_exists( "{$this->dataDir}/allkeys.txt" );
+ $ucdallPresent = file_exists( "{$this->dataDir}/ucd.all.grouped.xml" );
+
+ // As of January 2013, these links work for all versions of Unicode
+ // between 5.1 and 6.2, inclusive.
+ $allkeysURL = "http://www.unicode.org/Public/UCA/<Unicode version>/allkeys.txt";
+ $ucdallURL = "http://www.unicode.org/Public/<Unicode version>/ucdxml/ucd.all.grouped.zip";
+
+ if ( !$allkeysPresent || !$ucdallPresent ) {
+ $icuVersion = IcuCollation::getICUVersion();
+ $unicodeVersion = IcuCollation::getUnicodeVersionForICU();
+
+ $error = "";
+
+ if ( !$allkeysPresent ) {
+ $error .= "Unable to find allkeys.txt. "
+ . "Download it and specify its location with --data-dir=<DIR>. "
+ . "\n\n";
+ }
+ if ( !$ucdallPresent ) {
+ $error .= "Unable to find ucd.all.grouped.xml. "
+ . "Download it, unzip, and specify its location with --data-dir=<DIR>. "
+ . "\n\n";
+ }
+
+ $versionKnown = false;
+ if ( !$icuVersion ) {
+ // Unknown version - either very old intl,
+ // or PHP < 5.3.7 which does not expose this information
+ $error .= "As MediaWiki could not determine the version of ICU library used by your PHP's "
+ . "intl extension it can't suggest which file version to download. "
+ . "This can be caused by running a very old version of intl or PHP < 5.3.7. "
+ . "If you are sure everything is all right, find out the ICU version "
+ . "by running phpinfo(), check what is the Unicode version it is using "
+ . "at http://site.icu-project.org/download, then try finding appropriate data file(s) at:";
+ } elseif ( version_compare( $icuVersion, "4.0", "<" ) ) {
+ // Extra old version
+ $error .= "You are using outdated version of ICU ($icuVersion), intended for "
+ . ( $unicodeVersion ? "Unicode $unicodeVersion" : "an unknown version of Unicode" )
+ . "; this file might not be avalaible for it, and it's not supported by MediaWiki. "
+ ." You are on your own; consider upgrading PHP's intl extension or try "
+ . "one of the files available at:";
+ } elseif ( version_compare( $icuVersion, "51.0", ">=" ) ) {
+ // Extra recent version
+ $error .= "You are using ICU $icuVersion, released after this script was last updated. "
+ . "Check what is the Unicode version it is using at http://site.icu-project.org/download . "
+ . "It can't be guaranteed everything will work, but appropriate file(s) should "
+ . "be available at:";
+ } else {
+ // ICU 4.0 to 50.x
+ $versionKnown = true;
+ $error .= "You are using ICU $icuVersion, intended for "
+ . ( $unicodeVersion ? "Unicode $unicodeVersion" : "an unknown version of Unicode" )
+ . ". Appropriate file(s) should be available at:";
+ }
+ $error .= "\n";
+
+ if ( $versionKnown && $unicodeVersion ) {
+ $allkeysURL = str_replace( "<Unicode version>", "$unicodeVersion.0", $allkeysURL );
+ $ucdallURL = str_replace( "<Unicode version>", "$unicodeVersion.0", $ucdallURL );
+ }
+
+ if ( !$allkeysPresent ) {
+ $error .= "* $allkeysURL\n";
+ }
+ if ( !$ucdallPresent ) {
+ $error .= "* $ucdallURL\n";
+ }
+
+ $this->error( $error );
exit( 1 );
}
+
$debugOutFileName = $this->getOption( 'debug-output' );
if ( $debugOutFileName ) {
$this->debugOutFile = fopen( $debugOutFileName, 'w' );
@@ -285,12 +347,12 @@ class GenerateCollationData extends Maintenance {
}
class UcdXmlReader {
- var $fileName;
- var $callback;
- var $groupAttrs;
- var $xml;
- var $blocks = array();
- var $currentBlock;
+ public $fileName;
+ public $callback;
+ public $groupAttrs;
+ public $xml;
+ public $blocks = array();
+ public $currentBlock;
function __construct( $fileName ) {
$this->fileName = $fileName;