Index: base/file_util.h |
=================================================================== |
--- base/file_util.h (revision 79355) |
+++ base/file_util.h (working copy) |
@@ -26,6 +26,7 @@ |
#include <string> |
#include <vector> |
+#include "base/base_api.h" |
#include "base/basictypes.h" |
#include "base/file_path.h" |
#include "base/platform_file.h" |
@@ -48,19 +49,19 @@ |
// Functions that operate purely on a path string w/o touching the filesystem: |
// Returns true if the given path ends with a path separator character. |
-bool EndsWithSeparator(const FilePath& path); |
+BASE_API bool EndsWithSeparator(const FilePath& path); |
// Makes sure that |path| ends with a separator IFF path is a directory that |
// exists. Returns true if |path| is an existing directory, false otherwise. |
-bool EnsureEndsWithSeparator(FilePath* path); |
+BASE_API bool EnsureEndsWithSeparator(FilePath* path); |
// Convert provided relative path into an absolute path. Returns false on |
// error. On POSIX, this function fails if the path does not exist. |
-bool AbsolutePath(FilePath* path); |
+BASE_API bool AbsolutePath(FilePath* path); |
// Returns true if |parent| contains |child|. Both paths are converted to |
// absolute paths before doing the comparison. |
-bool ContainsPath(const FilePath& parent, const FilePath& child); |
+BASE_API bool ContainsPath(const FilePath& parent, const FilePath& child); |
//----------------------------------------------------------------------------- |
// Functions that involve filesystem access or modification: |
@@ -73,15 +74,15 @@ |
// timestmap of file creation time. If you need to avoid such |
// mis-detection perfectly, you should wait one second before |
// obtaining |file_time|. |
-int CountFilesCreatedAfter(const FilePath& path, |
- const base::Time& file_time); |
+BASE_API int CountFilesCreatedAfter(const FilePath& path, |
+ const base::Time& file_time); |
// Returns the total number of bytes used by all the files under |root_path|. |
// If the path does not exist the function returns 0. |
// |
// This function is implemented using the FileEnumerator class so it is not |
// particularly speedy in any platform. |
-int64 ComputeDirectorySize(const FilePath& root_path); |
+BASE_API int64 ComputeDirectorySize(const FilePath& root_path); |
// Returns the total number of bytes used by all files matching the provided |
// |pattern|, on this |directory| (without recursion). If the path does not |
@@ -89,8 +90,8 @@ |
// |
// This function is implemented using the FileEnumerator class so it is not |
// particularly speedy in any platform. |
-int64 ComputeFilesSize(const FilePath& directory, |
- const FilePath::StringType& pattern); |
+BASE_API int64 ComputeFilesSize(const FilePath& directory, |
+ const FilePath::StringType& pattern); |
// Deletes the given path, whether it's a file or a directory. |
// If it's a directory, it's perfectly happy to delete all of the |
@@ -100,7 +101,7 @@ |
// |
// WARNING: USING THIS WITH recursive==true IS EQUIVALENT |
// TO "rm -rf", SO USE WITH CAUTION. |
-bool Delete(const FilePath& path, bool recursive); |
+BASE_API bool Delete(const FilePath& path, bool recursive); |
#if defined(OS_WIN) |
// Schedules to delete the given path, whether it's a file or a directory, until |
@@ -108,24 +109,24 @@ |
// Note: |
// 1) The file/directory to be deleted should exist in a temp folder. |
// 2) The directory to be deleted must be empty. |
-bool DeleteAfterReboot(const FilePath& path); |
+BASE_API bool DeleteAfterReboot(const FilePath& path); |
#endif |
// Moves the given path, whether it's a file or a directory. |
// If a simple rename is not possible, such as in the case where the paths are |
// on different volumes, this will attempt to copy and delete. Returns |
// true for success. |
-bool Move(const FilePath& from_path, const FilePath& to_path); |
+BASE_API bool Move(const FilePath& from_path, const FilePath& to_path); |
// Renames file |from_path| to |to_path|. Both paths must be on the same |
// volume, or the function will fail. Destination file will be created |
// if it doesn't exist. Prefer this function over Move when dealing with |
// temporary files. On Windows it preserves attributes of the target file. |
// Returns true on success. |
-bool ReplaceFile(const FilePath& from_path, const FilePath& to_path); |
+BASE_API bool ReplaceFile(const FilePath& from_path, const FilePath& to_path); |
// Copies a single file. Use CopyDirectory to copy directories. |
-bool CopyFile(const FilePath& from_path, const FilePath& to_path); |
+BASE_API bool CopyFile(const FilePath& from_path, const FilePath& to_path); |
// Copies the given path, and optionally all subdirectories and their contents |
// as well. |
@@ -134,45 +135,46 @@ |
// Don't use wildcards on the names, it may stop working without notice. |
// |
// If you only need to copy a file use CopyFile, it's faster. |
-bool CopyDirectory(const FilePath& from_path, const FilePath& to_path, |
- bool recursive); |
+BASE_API bool CopyDirectory(const FilePath& from_path, const FilePath& to_path, |
+ bool recursive); |
// Returns true if the given path exists on the local filesystem, |
// false otherwise. |
-bool PathExists(const FilePath& path); |
+BASE_API bool PathExists(const FilePath& path); |
// Returns true if the given path is writable by the user, false otherwise. |
-bool PathIsWritable(const FilePath& path); |
+BASE_API bool PathIsWritable(const FilePath& path); |
// Returns true if the given path exists and is a directory, false otherwise. |
-bool DirectoryExists(const FilePath& path); |
+BASE_API bool DirectoryExists(const FilePath& path); |
#if defined(OS_WIN) |
// Gets the creation time of the given file (expressed in the local timezone), |
// and returns it via the creation_time parameter. Returns true if successful, |
// false otherwise. |
-bool GetFileCreationLocalTime(const std::wstring& filename, |
- LPSYSTEMTIME creation_time); |
+BASE_API bool GetFileCreationLocalTime(const std::wstring& filename, |
+ LPSYSTEMTIME creation_time); |
// Same as above, but takes a previously-opened file handle instead of a name. |
-bool GetFileCreationLocalTimeFromHandle(HANDLE file_handle, |
- LPSYSTEMTIME creation_time); |
+BASE_API bool GetFileCreationLocalTimeFromHandle(HANDLE file_handle, |
+ LPSYSTEMTIME creation_time); |
#endif // defined(OS_WIN) |
// Returns true if the contents of the two files given are equal, false |
// otherwise. If either file can't be read, returns false. |
-bool ContentsEqual(const FilePath& filename1, |
- const FilePath& filename2); |
+BASE_API bool ContentsEqual(const FilePath& filename1, |
+ const FilePath& filename2); |
// Returns true if the contents of the two text files given are equal, false |
// otherwise. This routine treats "\r\n" and "\n" as equivalent. |
-bool TextContentsEqual(const FilePath& filename1, const FilePath& filename2); |
+BASE_API bool TextContentsEqual(const FilePath& filename1, |
+ const FilePath& filename2); |
// Read the file at |path| into |contents|, returning true on success. |
// |contents| may be NULL, in which case this function is useful for its |
// side effect of priming the disk cache. |
// Useful for unit tests. |
-bool ReadFileToString(const FilePath& path, std::string* contents); |
+BASE_API bool ReadFileToString(const FilePath& path, std::string* contents); |
#if defined(OS_POSIX) |
// Read exactly |bytes| bytes from file descriptor |fd|, storing the result |
@@ -194,7 +196,7 @@ |
// This methods tries to resolve a shortcut .LNK file. If the |path| is valid |
// returns true and puts the target into the |path|, otherwise returns |
// false leaving the path as it is. |
-bool ResolveShortcut(FilePath* path); |
+BASE_API bool ResolveShortcut(FilePath* path); |
// Create a Windows shortcut (.LNK file) |
// This method creates a shortcut link using the information given. Ensure |
@@ -205,10 +207,14 @@ |
// The 'icon' can specify a dll or exe in which case the icon index is the |
// resource id. 'app_id' is the app model id for the shortcut on Win7. |
// Note that if the shortcut exists it will overwrite it. |
-bool CreateShortcutLink(const wchar_t *source, const wchar_t *destination, |
- const wchar_t *working_dir, const wchar_t *arguments, |
- const wchar_t *description, const wchar_t *icon, |
- int icon_index, const wchar_t* app_id); |
+BASE_API bool CreateShortcutLink(const wchar_t *source, |
+ const wchar_t *destination, |
+ const wchar_t *working_dir, |
+ const wchar_t *arguments, |
+ const wchar_t *description, |
+ const wchar_t *icon, |
+ int icon_index, |
+ const wchar_t* app_id); |
// Update a Windows shortcut (.LNK file). This method assumes the shortcut |
// link already exists (otherwise false is returned). Ensure you have |
@@ -217,86 +223,92 @@ |
// is NULL no changes are made to the shortcut). 'destination' is the link |
// file to be updated. 'app_id' is the app model id for the shortcut on Win7. |
// For best results pass the filename with the .lnk extension. |
-bool UpdateShortcutLink(const wchar_t *source, const wchar_t *destination, |
- const wchar_t *working_dir, const wchar_t *arguments, |
- const wchar_t *description, const wchar_t *icon, |
- int icon_index, const wchar_t* app_id); |
+BASE_API bool UpdateShortcutLink(const wchar_t *source, |
+ const wchar_t *destination, |
+ const wchar_t *working_dir, |
+ const wchar_t *arguments, |
+ const wchar_t *description, |
+ const wchar_t *icon, |
+ int icon_index, |
+ const wchar_t* app_id); |
// Pins a shortcut to the Windows 7 taskbar. The shortcut file must already |
// exist and be a shortcut that points to an executable. |
-bool TaskbarPinShortcutLink(const wchar_t* shortcut); |
+BASE_API bool TaskbarPinShortcutLink(const wchar_t* shortcut); |
// Unpins a shortcut from the Windows 7 taskbar. The shortcut must exist and |
// already be pinned to the taskbar. |
-bool TaskbarUnpinShortcutLink(const wchar_t* shortcut); |
+BASE_API bool TaskbarUnpinShortcutLink(const wchar_t* shortcut); |
// Copy from_path to to_path recursively and then delete from_path recursively. |
// Returns true if all operations succeed. |
// This function simulates Move(), but unlike Move() it works across volumes. |
// This fuction is not transactional. |
-bool CopyAndDeleteDirectory(const FilePath& from_path, |
- const FilePath& to_path); |
+BASE_API bool CopyAndDeleteDirectory(const FilePath& from_path, |
+ const FilePath& to_path); |
#endif // defined(OS_WIN) |
// Return true if the given directory is empty |
-bool IsDirectoryEmpty(const FilePath& dir_path); |
+BASE_API bool IsDirectoryEmpty(const FilePath& dir_path); |
// Get the temporary directory provided by the system. |
// WARNING: DON'T USE THIS. If you want to create a temporary file, use one of |
// the functions below. |
-bool GetTempDir(FilePath* path); |
+BASE_API bool GetTempDir(FilePath* path); |
// Get a temporary directory for shared memory files. |
// Only useful on POSIX; redirects to GetTempDir() on Windows. |
-bool GetShmemTempDir(FilePath* path); |
+BASE_API bool GetShmemTempDir(FilePath* path); |
// Get the home directory. This is more complicated than just getenv("HOME") |
// as it knows to fall back on getpwent() etc. |
-FilePath GetHomeDir(); |
+BASE_API FilePath GetHomeDir(); |
// Creates a temporary file. The full path is placed in |path|, and the |
// function returns true if was successful in creating the file. The file will |
// be empty and all handles closed after this function returns. |
-bool CreateTemporaryFile(FilePath* path); |
+BASE_API bool CreateTemporaryFile(FilePath* path); |
// Same as CreateTemporaryFile but the file is created in |dir|. |
-bool CreateTemporaryFileInDir(const FilePath& dir, FilePath* temp_file); |
+BASE_API bool CreateTemporaryFileInDir(const FilePath& dir, |
+ FilePath* temp_file); |
// Create and open a temporary file. File is opened for read/write. |
// The full path is placed in |path|. |
// Returns a handle to the opened file or NULL if an error occured. |
-FILE* CreateAndOpenTemporaryFile(FilePath* path); |
+BASE_API FILE* CreateAndOpenTemporaryFile(FilePath* path); |
// Like above but for shmem files. Only useful for POSIX. |
-FILE* CreateAndOpenTemporaryShmemFile(FilePath* path); |
+BASE_API FILE* CreateAndOpenTemporaryShmemFile(FilePath* path); |
// Similar to CreateAndOpenTemporaryFile, but the file is created in |dir|. |
-FILE* CreateAndOpenTemporaryFileInDir(const FilePath& dir, FilePath* path); |
+BASE_API FILE* CreateAndOpenTemporaryFileInDir(const FilePath& dir, |
+ FilePath* path); |
// Create a new directory. If prefix is provided, the new directory name is in |
// the format of prefixyyyy. |
// NOTE: prefix is ignored in the POSIX implementation. |
// If success, return true and output the full path of the directory created. |
-bool CreateNewTempDirectory(const FilePath::StringType& prefix, |
- FilePath* new_temp_path); |
+BASE_API bool CreateNewTempDirectory(const FilePath::StringType& prefix, |
+ FilePath* new_temp_path); |
// Create a directory within another directory. |
// Extra characters will be appended to |prefix| to ensure that the |
// new directory does not have the same name as an existing directory. |
-bool CreateTemporaryDirInDir(const FilePath& base_dir, |
- const FilePath::StringType& prefix, |
- FilePath* new_dir); |
+BASE_API bool CreateTemporaryDirInDir(const FilePath& base_dir, |
+ const FilePath::StringType& prefix, |
+ FilePath* new_dir); |
// Creates a directory, as well as creating any parent directories, if they |
// don't exist. Returns 'true' on successful creation, or if the directory |
// already exists. The directory is only readable by the current user. |
-bool CreateDirectory(const FilePath& full_path); |
+BASE_API bool CreateDirectory(const FilePath& full_path); |
// Returns the file size. Returns true on success. |
-bool GetFileSize(const FilePath& file_path, int64* file_size); |
+BASE_API bool GetFileSize(const FilePath& file_path, int64* file_size); |
// Returns true if the given path's base name is ".". |
-bool IsDot(const FilePath& path); |
+BASE_API bool IsDot(const FilePath& path); |
// Returns true if the given path's base name is "..". |
-bool IsDotDot(const FilePath& path); |
+BASE_API bool IsDotDot(const FilePath& path); |
// Sets |real_path| to |path| with symbolic links and junctions expanded. |
// On windows, make sure the path starts with a lettered drive. |
@@ -304,27 +316,29 @@ |
// a directory or to a nonexistent path. On windows, this function will |
// fail if |path| is a junction or symlink that points to an empty file, |
// or if |real_path| would be longer than MAX_PATH characters. |
-bool NormalizeFilePath(const FilePath& path, FilePath* real_path); |
+BASE_API bool NormalizeFilePath(const FilePath& path, FilePath* real_path); |
#if defined(OS_WIN) |
// Given an existing file in |path|, it returns in |real_path| the path |
// in the native NT format, of the form "\Device\HarddiskVolumeXX\..". |
// Returns false it it fails. Empty files cannot be resolved with this |
// function. |
-bool NormalizeToNativeFilePath(const FilePath& path, FilePath* nt_path); |
+BASE_API bool NormalizeToNativeFilePath(const FilePath& path, |
+ FilePath* nt_path); |
#endif |
// Returns information about the given file path. |
-bool GetFileInfo(const FilePath& file_path, base::PlatformFileInfo* info); |
+BASE_API bool GetFileInfo(const FilePath& file_path, |
+ base::PlatformFileInfo* info); |
// Sets the time of the last access and the time of the last modification. |
-bool TouchFile(const FilePath& path, |
- const base::Time& last_accessed, |
- const base::Time& last_modified); |
+BASE_API bool TouchFile(const FilePath& path, |
+ const base::Time& last_accessed, |
+ const base::Time& last_modified); |
// Set the time of the last modification. Useful for unit tests. |
-bool SetLastModifiedTime(const FilePath& path, |
- const base::Time& last_modified); |
+BASE_API bool SetLastModifiedTime(const FilePath& path, |
+ const base::Time& last_modified); |
#if defined(OS_POSIX) |
// Store inode number of |path| in |inode|. Return true on success. |
@@ -332,32 +346,32 @@ |
#endif |
// Wrapper for fopen-like calls. Returns non-NULL FILE* on success. |
-FILE* OpenFile(const FilePath& filename, const char* mode); |
+BASE_API FILE* OpenFile(const FilePath& filename, const char* mode); |
// Closes file opened by OpenFile. Returns true on success. |
-bool CloseFile(FILE* file); |
+BASE_API bool CloseFile(FILE* file); |
// Truncates an open file to end at the location of the current file pointer. |
// This is a cross-platform analog to Windows' SetEndOfFile() function. |
-bool TruncateFile(FILE* file); |
+BASE_API bool TruncateFile(FILE* file); |
// Reads the given number of bytes from the file into the buffer. Returns |
// the number of read bytes, or -1 on error. |
-int ReadFile(const FilePath& filename, char* data, int size); |
+BASE_API int ReadFile(const FilePath& filename, char* data, int size); |
// Writes the given buffer into the file, overwriting any data that was |
// previously there. Returns the number of bytes written, or -1 on error. |
-int WriteFile(const FilePath& filename, const char* data, int size); |
+BASE_API int WriteFile(const FilePath& filename, const char* data, int size); |
#if defined(OS_POSIX) |
// Append the data to |fd|. Does not close |fd| when done. |
int WriteFileDescriptor(const int fd, const char* data, int size); |
#endif |
// Gets the current working directory for the process. |
-bool GetCurrentDirectory(FilePath* path); |
+BASE_API bool GetCurrentDirectory(FilePath* path); |
// Sets the current working directory for the process. |
-bool SetCurrentDirectory(const FilePath& path); |
+BASE_API bool SetCurrentDirectory(const FilePath& path); |
// A class to handle auto-closing of FILE*'s. |
class ScopedFILEClose { |
@@ -391,7 +405,7 @@ |
// |
// DO NOT USE FROM THE MAIN THREAD of your application unless it is a test |
// program where latency does not matter. This class is blocking. |
-class FileEnumerator { |
+class BASE_API FileEnumerator { |
public: |
#if defined(OS_WIN) |
typedef WIN32_FIND_DATA FindInfo; |
@@ -490,7 +504,7 @@ |
DISALLOW_COPY_AND_ASSIGN(FileEnumerator); |
}; |
-class MemoryMappedFile { |
+class BASE_API MemoryMappedFile { |
public: |
// The default constructor sets all members to invalid/null values. |
MemoryMappedFile(); |
@@ -545,13 +559,14 @@ |
// Renames a file using the SHFileOperation API to ensure that the target file |
// gets the correct default security descriptor in the new path. |
-bool RenameFileAndResetSecurityDescriptor( |
+BASE_API bool RenameFileAndResetSecurityDescriptor( |
const FilePath& source_file_path, |
const FilePath& target_file_path); |
// Returns whether the file has been modified since a particular date. |
-bool HasFileBeenModifiedSince(const FileEnumerator::FindInfo& find_info, |
- const base::Time& cutoff_time); |
+BASE_API bool HasFileBeenModifiedSince( |
+ const FileEnumerator::FindInfo& find_info, |
+ const base::Time& cutoff_time); |
#ifdef UNIT_TEST |
@@ -611,8 +626,8 @@ |
// is passed in. If it is 0 then the whole file is paged in. The step size |
// which indicates the number of bytes to skip after every page touched is |
// also passed in. |
-bool PreReadImage(const wchar_t* file_path, size_t size_to_read, |
- size_t step_size); |
+bool BASE_API PreReadImage(const wchar_t* file_path, size_t size_to_read, |
+ size_t step_size); |
#endif // OS_WIN |
#if defined(OS_LINUX) |