Port directory lister so test shell can view file directories.

Review URL: http://codereview.chromium.org/11437

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@5725 0039d316-1c4b-4281-b951-d872f2087c98

base/file_util.h

@@ -14,6 +14,7 @@
 #include <windows.h>
 #elif defined(OS_POSIX)
 #include <fts.h>
+#include <sys/stat.h>
 #endif
 
 #include <stdio.h>
@@ -323,6 +324,15 @@ bool SetCurrentDirectory(const std::wstring& current_directory);
 // program where latency does not matter. This class is blocking.
 class FileEnumerator {
  public:
+#if defined(OS_WIN)
+  typedef WIN32_FIND_DATA FindInfo;
+#elif defined(OS_POSIX)
+  typedef struct {
+    struct stat stat;
+    std::string filename;
+  } FindInfo;
+#endif
+
   enum FILE_TYPE {
     FILES                 = 0x1,
     DIRECTORIES           = 0x2,
@@ -361,6 +371,9 @@ class FileEnumerator {
   // Returns an empty string if there are no more results.
   std::wstring Next();
 
+  // Write the file info into |info|.
+  void GetFindInfo(FindInfo* info);
+
  private:
   std::wstring root_path_;
   bool recursive_;
@@ -380,6 +393,7 @@ class FileEnumerator {
   HANDLE find_handle_;
 #elif defined(OS_POSIX)
   FTS* fts_;
+  FTSENT* fts_ent_;
 #endif
 
   DISALLOW_EVIL_CONSTRUCTORS(FileEnumerator);

base/file_util_posix.cc

@@ -409,6 +409,16 @@ FileEnumerator::~FileEnumerator() {
     fts_close(fts_);
 }
 
+void FileEnumerator::GetFindInfo(FindInfo* info) {
+  DCHECK(info);
+
+  if (!is_in_find_op_)
+    return;
+
+  memcpy(&(info->stat), fts_ent_->fts_statp, sizeof(info->stat));
+  info->filename.assign(fts_ent_->fts_name);
+}
+
 // As it stands, this method calls itself recursively when the next item of
 // the fts enumeration doesn't match (type, pattern, etc.).  In the case of
 // large directories with many files this can be quite deep.
@@ -417,12 +427,12 @@ std::wstring FileEnumerator::Next() {
   if (!is_in_find_op_) {
     if (pending_paths_.empty())
       return std::wstring();
-    
+
     // The last find FindFirstFile operation is done, prepare a new one.
     root_path_ = pending_paths_.top();
     TrimTrailingSeparator(&root_path_);
     pending_paths_.pop();
-    
+
     // Start a new find operation.
     int ftsflags = FTS_LOGICAL;
     char top_dir[PATH_MAX];
@@ -433,41 +443,41 @@ std::wstring FileEnumerator::Next() {
       return Next();
     is_in_find_op_ = true;
   }
-  
-  FTSENT* fts_ent = fts_read(fts_);
-  if (fts_ent == NULL) {
+
+  fts_ent_ = fts_read(fts_);
+  if (fts_ent_ == NULL) {
     fts_close(fts_);
     fts_ = NULL;
     is_in_find_op_ = false;
     return Next();
   }
-  
+
   // Level 0 is the top, which is always skipped.
-  if (fts_ent->fts_level == 0)
+  if (fts_ent_->fts_level == 0)
     return Next();
-  
+
   // Patterns are only matched on the items in the top-most directory.
   // (see Windows implementation)
-  if (fts_ent->fts_level == 1 && pattern_.length() > 0) {
-    if (fnmatch(WideToUTF8(pattern_).c_str(), fts_ent->fts_path, 0) != 0) {
-      if (fts_ent->fts_info == FTS_D)
-        fts_set(fts_, fts_ent, FTS_SKIP);
+  if (fts_ent_->fts_level == 1 && pattern_.length() > 0) {
+    if (fnmatch(WideToUTF8(pattern_).c_str(), fts_ent_->fts_path, 0) != 0) {
+      if (fts_ent_->fts_info == FTS_D)
+        fts_set(fts_, fts_ent_, FTS_SKIP);
       return Next();
     }
   }
-  
-  std::wstring cur_file(UTF8ToWide(fts_ent->fts_path));
-  if (fts_ent->fts_info == FTS_D) {
+
+  std::wstring cur_file(UTF8ToWide(fts_ent_->fts_path));
+  if (fts_ent_->fts_info == FTS_D) {
     // If not recursive, then prune children.
     if (!recursive_)
-      fts_set(fts_, fts_ent, FTS_SKIP);
+      fts_set(fts_, fts_ent_, FTS_SKIP);
     return (file_type_ & FileEnumerator::DIRECTORIES) ? cur_file : Next();
-  } else if (fts_ent->fts_info == FTS_F) {
+  } else if (fts_ent_->fts_info == FTS_F) {
     return (file_type_ & FileEnumerator::FILES) ? cur_file : Next();
   }
   // TODO(erikkay) - verify that the other fts_info types aren't interesting
   return Next();
 }
-  
-  
+
+
 } // namespace file_util

base/file_util_win.cc

@@ -625,6 +625,15 @@ FileEnumerator::~FileEnumerator() {
     FindClose(find_handle_);
 }
 
+void FileEnumerator::GetFindInfo(FindInfo* info) {
+  DCHECK(info);
+
+  if (!is_in_find_op)
+    return;
+
+  memcpy(info, &find_data_, sizeof(*info));
+}
+
 std::wstring FileEnumerator::Next() {
   if (!is_in_find_op_) {
     if (pending_paths_.empty())