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Diffstat (limited to '')
| -rw-r--r-- | xpcom/io/nsLocalFile.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/xpcom/io/nsLocalFile.h b/xpcom/io/nsLocalFile.h new file mode 100644 index 0000000000..779b2e6c95 --- /dev/null +++ b/xpcom/io/nsLocalFile.h @@ -0,0 +1,124 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _NS_LOCAL_FILE_H_ +#define _NS_LOCAL_FILE_H_ + +#include "nscore.h" + +#define NS_LOCAL_FILE_CID \ + { \ + 0x2e23e220, 0x60be, 0x11d3, { \ + 0x8c, 0x4a, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74 \ + } \ + } + +#define NS_DECL_NSLOCALFILE_UNICODE_METHODS \ + nsresult AppendUnicode(const char16_t* aNode); \ + nsresult GetUnicodeLeafName(char16_t** aLeafName); \ + nsresult SetUnicodeLeafName(const char16_t* aLeafName); \ + nsresult CopyToUnicode(nsIFile* aNewParentDir, \ + const char16_t* aNewLeafName); \ + nsresult CopyToFollowingLinksUnicode(nsIFile* aNewParentDir, \ + const char16_t* aNewLeafName); \ + nsresult MoveToUnicode(nsIFile* aNewParentDir, \ + const char16_t* aNewLeafName); \ + nsresult GetUnicodeTarget(char16_t** aTarget); \ + nsresult GetUnicodePath(char16_t** aPath); \ + nsresult InitWithUnicodePath(const char16_t* aPath); \ + nsresult AppendRelativeUnicodePath(const char16_t* aRelativePath); + +// XPCOMInit needs to know about how we are implemented, +// so here we will export it. Other users should not depend +// on this. + +#include <errno.h> +#include "nsIFile.h" + +#ifdef XP_WIN +# include "nsLocalFileWin.h" +#elif defined(XP_UNIX) +# include "nsLocalFileUnix.h" +#else +# error NOT_IMPLEMENTED +#endif + +#define NSRESULT_FOR_RETURN(ret) (((ret) < 0) ? NSRESULT_FOR_ERRNO() : NS_OK) + +inline nsresult nsresultForErrno(int aErr) { + switch (aErr) { + case 0: + return NS_OK; +#ifdef EDQUOT + case EDQUOT: /* Quota exceeded */ + [[fallthrough]]; // to NS_ERROR_FILE_NO_DEVICE_SPACE +#endif + case ENOSPC: + return NS_ERROR_FILE_NO_DEVICE_SPACE; +#ifdef EISDIR + case EISDIR: /* Is a directory. */ + return NS_ERROR_FILE_IS_DIRECTORY; +#endif + case ENAMETOOLONG: + return NS_ERROR_FILE_NAME_TOO_LONG; + case ENOEXEC: /* Executable file format error. */ + return NS_ERROR_FILE_EXECUTION_FAILED; + case ENOENT: + return NS_ERROR_FILE_NOT_FOUND; + case ENOTDIR: + return NS_ERROR_FILE_DESTINATION_NOT_DIR; +#ifdef ELOOP + case ELOOP: + return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK; +#endif /* ELOOP */ +#ifdef ENOLINK + case ENOLINK: + return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK; +#endif /* ENOLINK */ + case EEXIST: + return NS_ERROR_FILE_ALREADY_EXISTS; +#ifdef EPERM + case EPERM: +#endif /* EPERM */ + case EACCES: + return NS_ERROR_FILE_ACCESS_DENIED; +#ifdef EROFS + case EROFS: /* Read-only file system. */ + return NS_ERROR_FILE_READ_ONLY; +#endif + /* + * On AIX 4.3, ENOTEMPTY is defined as EEXIST, + * so there can't be cases for both without + * preprocessing. + */ +#if ENOTEMPTY != EEXIST + case ENOTEMPTY: + return NS_ERROR_FILE_DIR_NOT_EMPTY; +#endif /* ENOTEMPTY != EEXIST */ + /* Note that nsIFile.createUnique() returns + NS_ERROR_FILE_TOO_BIG when it cannot create a temporary + file with a unique filename. + See https://developer.mozilla.org/en-US/docs/Table_Of_Errors + Other usages of NS_ERROR_FILE_TOO_BIG in the source tree + are in line with the POSIX semantics of EFBIG. + So this is a reasonably good approximation. + */ + case EFBIG: /* File too large. */ + return NS_ERROR_FILE_TOO_BIG; + +#ifdef ENOATTR + case ENOATTR: + return NS_ERROR_NOT_AVAILABLE; +#endif // ENOATTR + + default: + return NS_ERROR_FAILURE; + } +} + +#define NSRESULT_FOR_ERRNO() nsresultForErrno(errno) + +#endif |