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Merged in latest plugin-slot-reorg.

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mysys/cached_directory.cc
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 *   Implementation of CachedDirectory class.
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 */
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#include "config.h"
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#include "drizzled/definitions.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <strings.h>
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#include <limits.h>
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#include "drizzled/cached_directory.h"
 
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#include "drizzled/global.h"
 
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#include "cached_directory.h"
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using namespace std;
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namespace drizzled
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{
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CachedDirectory::CachedDirectory() : 
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  error(0)
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{
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}
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CachedDirectory::CachedDirectory(const string &in_path) :
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  error(0)
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{
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  // TODO: Toss future exception
 
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CachedDirectory::CachedDirectory(const string &in_path)
 
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  : error(0)
 
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{
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  (void) open(in_path);
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}
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CachedDirectory::CachedDirectory(const string& in_path, set<string>& allowed_exts) :
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  error(0)
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{
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  // TODO: Toss future exception
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  (void) open(in_path, allowed_exts);
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}
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CachedDirectory::CachedDirectory(const string& in_path, enum CachedDirectory::FILTER filter) :
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  error(0)
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{
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  set<string> empty;
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  // TODO: Toss future exception
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  (void) open(in_path, empty, filter);
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}
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CachedDirectory::~CachedDirectory()
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{
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  for (Entries::iterator p= entries.begin(); p != entries.end(); ++p)
 
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  Entries::iterator p= entries.begin();
 
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  while (p != entries.end())
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  {
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    if (*p)
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      delete *p;
 
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    ++p;
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  }
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  entries.clear();
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}
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bool CachedDirectory::open(const string &in_path)
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{
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  set<string> empty;
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  return open(in_path, empty);
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}
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bool CachedDirectory::open(const string &in_path, set<string> &allowed_exts)
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{
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  return open(in_path, allowed_exts, CachedDirectory::NONE);
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}
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bool CachedDirectory::open(const string &in_path, set<string> &allowed_exts, enum CachedDirectory::FILTER filter)
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{
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  DIR *dirp= opendir(in_path.c_str());
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  if (dirp == NULL)
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    return false;
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  }
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  path= in_path;
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  union {
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    dirent entry;
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#ifdef __sun
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  while ((retcode= readdir_r(dirp, &buffer.entry, &result)) == 0 &&
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         result != NULL)
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  {
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    std::string buffered_fullpath;
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    if (! allowed_exts.empty())
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    {
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      char *ptr= rindex(result->d_name, '.');
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      if (ptr)
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      {
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        set<string>::iterator it;
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        it= allowed_exts.find(ptr);
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        if (it != allowed_exts.end())
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        {
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          entries.push_back(new Entry(result->d_name));
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        }
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      }
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    }
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    else
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    {
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      switch (filter)
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      {
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      case DIRECTORY:
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        {
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          struct stat entrystat;
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          if (result->d_name[0] == '.') // We don't pass back anything hidden at the moment.
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            continue;
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          buffered_fullpath.append(in_path);
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          if (buffered_fullpath[buffered_fullpath.length()] != '/')
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            buffered_fullpath.append(1, FN_LIBCHAR);
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          buffered_fullpath.assign(result->d_name);
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          stat(buffered_fullpath.c_str(), &entrystat);
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          if (S_ISDIR(entrystat.st_mode))
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          {
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            entries.push_back(new Entry(result->d_name));
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          }
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        }
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        break;
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      case FILE:
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        {
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          struct stat entrystat;
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          buffered_fullpath.append(in_path);
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          if (buffered_fullpath[buffered_fullpath.length()] != '/')
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            buffered_fullpath.append(1, FN_LIBCHAR);
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          buffered_fullpath.assign(result->d_name);
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          stat(buffered_fullpath.c_str(), &entrystat);
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          if (S_ISREG(entrystat.st_mode))
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          {
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            entries.push_back(new Entry(result->d_name));
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          }
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        }
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        break;
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      case NONE:
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      case MAX:
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        entries.push_back(new Entry(result->d_name));
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        break;
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      }
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    }
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  }
 
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    entries.push_back(new Entry(result->d_name));
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  closedir(dirp);
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  error= retcode;
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  return error == 0;
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}
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} /* namespace drizzled */