ultimix
rewrites.php
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1 <?php
2 
3  /*
4  * This source code is a part of the Ultimix Project.
5  * It is distributed under BSD license. All other third side source code (like tinyMCE) is distributed under
6  * it's own license wich could be found from the corresponding files or sources.
7  * This source code is provided "as is" without any warranties or garanties.
8  *
9  * Have a nice day!
10  *
11  * @url http://ultimix.sorceforge.net
12  *
13  * @author Alexey "gdever" Dodonov
14  */
15 
16  global $RewritesCacheChanged;
17  global $RewritesCache;
18  $RewritesCache = array();
19 
30  global $RewriteMap;
31  $RewriteMap = array();
32 
55  function _set_rewrite_map( $PackageScriptPath = false , $FileName = 'local_rewrite_map' )
56  {
57  try
58  {
59  global $RewriteMap;
60  if( $PackageScriptPath !== false )
61  {
62  $RewriteMap = _file_get_contents( dirname( $PackageScriptPath )."/conf/$FileName" );
63  if( $RewriteMap === false )
64  {
65  return;
66  }
67  $RewriteMap = str_replace( "\r" , "\n" , $RewriteMap );
68  $RewriteMap = str_replace( "\n\n" , "\n" , $RewriteMap );
69  if( $RewriteMap != '' )
70  {
71  $RewriteMap = explode( "\n" , $RewriteMap );
72  for( $i = 0 ; $i < count( $RewriteMap ) ; $i++ )
73  {
74  $RewriteMap[ $i ] = explode( '#' , $RewriteMap[ $i ] );
75  }
76  return;
77  }
78  $RewriteMap = false;
79  }
80  }
81  catch( Exception $e )
82  {
83  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
84  }
85  }
86 
101  function _reset_rewrite_map()
102  {
103  try
104  {
105  global $RewriteMap;
106  $RewriteMap = false;
107  }
108  catch( Exception $e )
109  {
110  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
111  }
112  }
113 
114  $MakeFullVersionCacheChanged = false;
115  $MakeFullVersionCache = array();
116 
139  function _complete_package_version( $PackageName )
140  {
141  $FullPackageVersion = '';
142 
143  $Packages = explode( '::' , $PackageName );
144  if( isset( $Packages[ 1 ] ) )
145  {
146  $l = count( $Packages ) - 1;
147  for( $i = 0 ; $i < $l ; $i++ )
148  {
149  $FullPackageVersion .= 'last::';
150  }
151  }
152 
153  return( $FullPackageVersion );
154  }
155 
182  function _make_full_version( $PackageName , $PackageVersion )
183  {
184  try
185  {
186  global $MakeFullVersionCache;
187  if( isset( $MakeFullVersionCache[ "$PackageName.$PackageVersion" ] ) )
188  {
189  return( $MakeFullVersionCache[ "$PackageName.$PackageVersion" ] );
190  }
191 
192  $FullPackageVersion = $PackageVersion;
193  if( $PackageVersion == 'last' || strpos( $PackageVersion , '::' ) === false )
194  {
195  $FullPackageVersion = _complete_package_version( $PackageName ).$PackageVersion;
196  }
197 
198  global $MakeFullVersionCacheChanged;
199  $MakeFullVersionCacheChanged = true;
200 
201  return( $MakeFullVersionCache[ "$PackageName.$PackageVersion" ] = $FullPackageVersion );
202  }
203  catch( Exception $e )
204  {
205  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
206  }
207  }
208 
239  function _apply_to_the_whole_name( $PackageName , $PackageVersion , $Rules )
240  {
241  try
242  {
243  global $RewriteMap;
244 
245  foreach( $RewriteMap as $i => $r )
246  {
247  if( preg_match( $r[ 0 ] , $PackageName.'.'.$PackageVersion ) > 0 )
248  {
249  $PackageName = $r[ 1 ];
250  $PackageVersion = $r[ 2 ];
251  break;
252  }
253  }
254 
255  return( array( $PackageName , $PackageVersion ) );
256  }
257  catch( Exception $e )
258  {
259  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
260  }
261  }
262 
289  function _set_rewrited( &$PackageNameSegments , $r )
290  {
291  try
292  {
293  if( preg_match( $r[ 0 ] , $PackageNameSegments[ $j ].'.'.$PackageVersionSegments[ $j ] ) > 0 )
294  {
295  $PackageNameSegments[ $j ] = $r[ 1 ];
296  $PackageInfoParts = explode( '.' , $r[ 2 ] );
297 
298  if( count( $PackageInfoParts ) == 2 )
299  {
300  $PackageVersionSegments[ $j ] = $PackageInfoParts[ 0 ];
301  }
302  else
303  {
304  $PackageVersionSegments[ $j ] = $PackageInfoParts[ 0 ].'.';
305  $PackageVersionSegments[ $j ] .= $PackageInfoParts[ 1 ].'.';
306  $PackageVersionSegments[ $j ] .= $PackageInfoParts[ 2 ];
307  }
308 
309  return( true );
310  }
311 
312  return( false );
313  }
314  catch( Exception $e )
315  {
316  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
317  }
318  }
319 
350  function _apply_to_the_parts( $PackageName , $PackageVersion , $Rules )
351  {
352  try
353  {
354  global $RewriteMap;
355 
356  $PackageNameSegments = explode( '::' , $PackageName );
357  $PackageVersionSegments = explode( '::' , $PackageVersion );
358 
359  foreach( $RewriteMap as $r )
360  {
361  for( $j = 0 ; $j < count( $PackageNameSegments ) ; $j++ )
362  {
363  if( _set_rewrited( $PackageNameSegments[ $j ] , $r ) )
364  {
365  break;
366  }
367  }
368  }
369 
370  $PackageName = implode( '::' , $PackageNameSegments );
371  $PackageVersion = implode( '::' , $PackageVersionSegments );
372 
373  return( array( $PackageName , $PackageVersion ) );
374  }
375  catch( Exception $e )
376  {
377  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
378  }
379  }
380 
407  function _apply_both_transforms( $PackageName , $PackageVersion )
408  {
409  try
410  {
411  global $RewriteMap;
412  list( $PackageName , $PackageVersion ) = _apply_to_the_whole_name(
413  $PackageName ,
414  $PackageVersion ,
415  $RewriteMap
416  );
417  $PackageVersion = _make_full_version( $PackageName , $PackageVersion );
418 
419  $NameParts = explode( '::' , $PackageName );
420  $VersionParts = explode( '::' , $PackageVersion );
421  list( $PackageName , $PackageVersion ) = _apply_to_the_parts(
422  $PackageName ,
423  $PackageVersion ,
424  $RewriteMap
425  );
426  return( array( $PackageName , $PackageVersion ) );
427  }
428  catch( Exception $e )
429  {
430  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
431  }
432  }
433 
464  function _apply_local_rewrite_map( $PackageName , $PackageVersion , $PackageScriptPath )
465  {
466  try
467  {
468  _set_rewrite_map( $PackageScriptPath );
469 
470  global $RewriteMap;
471 
472  if( $RewriteMap !== false )
473  {
474  # \~russian пытаемся применить карты рерайтов ко всему имени пакета
475  # \~english trying to apply rewrite map to the hole package name and version
476 
477  list( $PackageName , $PackageVersion ) = _apply_both_transforms( $PackageName , $PackageVersion );
478  }
479 
480  return( array( $PackageName , $PackageVersion ) );
481  }
482  catch( Exception $e )
483  {
484  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
485  }
486  }
487 
488  global $RewritedPackageCacheChanged;
489  $RewritedPackageCacheChanged = false;
490 
491  global $RewritedPackageCache;
492  $RewritedPackageCache = array();
493 
524  function _apply_global_rewrite_map( $Name , $Version , $ROOT_DIR )
525  {
526  try
527  {
528  global $RewritedPackageCache;
529  $Key = "$Name $Version $ROOT_DIR";
530  if( isset( $RewritedPackageCache[ $Key ] ) === false )
531  {
532  _set_rewrite_map( "$ROOT_DIR/packages/_core_data/unexisting_file" , "cf_global_rewrite_rules" );
533  global $RewriteMap;
534  if( $RewriteMap !== false )
535  {
536  list( $Name , $Version ) = _apply_both_transforms( $Name , $Version );
537  }
538  _reset_rewrite_map();
539  global $RewritedPackageCacheChanged;
540 
541  $RewritedPackageCacheChanged = true;
542  $RewritedPackageCache[ $Key ] = array( $Name , $Version );
543  }
544  return( $RewritedPackageCache[ $Key ] );
545  }
546  catch( Exception $e )
547  {
548  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
549  }
550  }
551 
582  function _apply_rewrites( $PackageName , $PackageVersion , $PackageScriptPath )
583  {
584  try
585  {
586  list( $PackageName , $PackageVersion ) = _apply_local_rewrite_map(
587  $PackageName ,
588  $PackageVersion ,
589  $PackageScriptPath
590  );
591 
592  # глобальная переадресация
593  # global rewriting
594  list( $PackageName , $PackageVersion ) = _apply_global_rewrite_map(
595  $PackageName ,
596  $PackageVersion ,
597  INSTALL_DIR
598  );
599 
600  return( array( $PackageName , $PackageVersion ) );
601  }
602  catch( Exception $e )
603  {
604  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
605  }
606  }
607 
608  $PackageInfoAfterRewritesCacheChanged = false;
609  $PackageInfoAfterRewritesCache = array();
610 
642  function _fill_rewrites_cache( $PackageName , $PackageVersion , $PackageScriptPath )
643  {
644  try
645  {
646  global $ENABLE_REWRITES;
647  if( $ENABLE_REWRITES )
648  {
649  list( $PackageName , $PackageVersion ) = _apply_rewrites(
650  $PackageName ,
651  $PackageVersion ,
652  $PackageScriptPath
653  );
654 
655  global $RewritesCacheChanged;
656  $RewritesCacheChanged = true;
657  }
658  }
659  catch( Exception $e )
660  {
661  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
662  }
663  }
664 
696  function _get_package_info_after_rewrites( $PackageName , $PackageVersion , $PackageScriptPath = false )
697  {
698  try
699  {
700  global $RewritesCache;
701  $Key = "$PackageName $PackageVersion $PackageScriptPath";
702 
703  if( isset( $RewritesCache[ $Key ] ) )
704  {
705  return( $RewritesCache[ $Key ] );
706  }
707  $PackageVersion = _make_full_version( $PackageName , $PackageVersion );
708 
709  _fill_rewrites_cache( $PackageName , $PackageVersion , $PackageScriptPath );
710 
711  return( $RewritesCache[ $Key ] = array( 0 => $PackageName , 1 => $PackageVersion ) );
712  }
713  catch( Exception $e )
714  {
715  $Args = func_get_args();throw( _get_exception_object( __FUNCTION__ , $Args , $e ) );
716  }
717  }
718 
719 ?>