hphp/runtime/base/glob-stream-wrapper.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2014 Facebook, Inc. (http://www.facebook.com)     |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #include "hphp/runtime/base/glob-stream-wrapper.h"
  18
  19 #include "hphp/runtime/base/directory.h"
  20 #include "hphp/runtime/ext/ext_file.h"
  21
  22 namespace HPHP {
  23 ///////////////////////////////////////////////////////////////////////////////
  24
  25 File* GlobStreamWrapper::open(const String& filename,
  26                               const String& mode,
  27                               int options,
  28                               CVarRef context) {
  29   // Can't open a glob as a file, it's meant to be opened as a directory
  30
  31   // if the function was called via FCallBuiltin, we'll get a bogus name as
  32   // the stack frame will be wrong
  33   ActRec* ar = g_vmContext->getStackFrame();
  34   const char* fn = (ar != nullptr)
  35     ? ar->func()->name()->data()
  36     : "OPTIMIZED_BUILTIN";
  37   raise_warning("%s(%s): failed to open stream: "
  38                 "wrapper does not support stream open",
  39                 fn, filename.data());
  40   return nullptr;
  41 }
  42
  43 Directory* GlobStreamWrapper::opendir(const String& path) {
  44   const char* prefix = "glob://";
  45   const char* path_str = path.data();
  46   int path_len = path.length();
  47
  48   // only accept paths with the glob:// prefix
  49   if (strncmp(path_str, prefix, strlen(prefix)) != 0) {
  50     return nullptr;
  51   }
  52
  53   path_str += strlen(prefix);
  54   path_len -= strlen(prefix);
  55
  56   auto glob = f_glob(String(path_str, path_len, CopyString));
  57   if (!glob.isArray()) {
  58     return nullptr;
  59   }
  60   return NEWOBJ(ArrayDirectory)(glob.toArray());
  61 }
  62
  63 ///////////////////////////////////////////////////////////////////////////////
  64 }