gecko-dev/xpcom/build/FileLocation.h
Ehsan Akhgari e368dc9c85 Bug 579517 - Part 1: Automated conversion of NSPR numeric types to stdint types in Gecko; r=bsmedberg
This patch was generated by a script.  Here's the source of the script for
future reference:

function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
       ! -wholename "*security/nss*" \
       ! -wholename "*/.hg*" \
       ! -wholename "obj-ff-dbg*" \
       ! -name nsXPCOMCID.h \
       ! -name prtypes.h \
         -type f \
      \( -iname "*.cpp" \
         -o -iname "*.h" \
         -o -iname "*.c" \
         -o -iname "*.cc" \
         -o -iname "*.idl" \
         -o -iname "*.ipdl" \
         -o -iname "*.ipdlh" \
         -o -iname "*.mm" \) | \
    xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}

convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t

convert PRIntn int
convert PRUintn unsigned

convert PRSize size_t

convert PROffset32 int32_t
convert PROffset64 int64_t

convert PRPtrdiff ptrdiff_t

convert PRFloat64 double
2012-08-22 11:56:38 -04:00

166 lines
3.5 KiB
C++

/* 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 mozilla_FileLocation_h
#define mozilla_FileLocation_h
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsIFile.h"
#include "nsIURI.h"
#include "FileUtils.h"
class nsZipArchive;
class nsZipItem;
namespace mozilla {
class FileLocation
{
public:
/**
* FileLocation is an helper to handle different kind of file locations
* within Gecko:
* - on filesystems
* - in archives
* - in archives within archives
* As such, it stores a path within an archive, as well as the archive
* path itself, or the complete file path alone when on a filesystem.
* When the archive is in an archive, an nsZipArchive is stored instead
* of a file path.
*/
FileLocation() { }
/**
* Constructor for plain files
*/
FileLocation(nsIFile *file)
{
Init(file);
}
/**
* Constructors for path within an archive. The archive can be given either
* as nsIFile or nsZipArchive.
*/
FileLocation(nsIFile *zip, const char *path)
{
Init(zip, path);
}
FileLocation(nsZipArchive *zip, const char *path)
{
Init(zip, path);
}
/**
* Creates a new file location relative to another one.
*/
FileLocation(const FileLocation &file, const char *path = NULL);
/**
* Initialization functions corresponding to constructors
*/
void Init(nsIFile *file)
{
mBaseZip = NULL;
mBaseFile = file;
mPath.Truncate();
}
void Init(nsIFile *zip, const char *path)
{
mBaseZip = NULL;
mBaseFile = zip;
mPath = path;
}
void Init(nsZipArchive *zip, const char *path)
{
mBaseZip = zip;
mBaseFile = NULL;
mPath = path;
}
/**
* Returns an URI string corresponding to the file location
*/
void GetURIString(nsACString &result) const;
/**
* Returns the base file of the location, where base file is defined as:
* - The file itself when the location is on a filesystem
* - The archive file when the location is in an archive
* - The outer archive file when the location is in an archive in an archive
*/
already_AddRefed<nsIFile> GetBaseFile();
/**
* Returns whether the "base file" (see GetBaseFile) is an archive
*/
bool IsZip() const
{
return !mPath.IsEmpty();
}
/**
* Returns the path within the archive, when within an archive
*/
void GetPath(nsACString &result) const
{
result = mPath;
}
/**
* Boolean value corresponding to whether the file location is initialized
* or not.
*/
operator bool() const
{
return mBaseFile || mBaseZip;
}
/**
* Returns whether another FileLocation points to the same resource
*/
bool Equals(const FileLocation &file) const;
/**
* Data associated with a FileLocation.
*/
class Data
{
public:
/**
* Returns the data size
*/
nsresult GetSize(uint32_t *result);
/**
* Copies the data in the given buffer
*/
nsresult Copy(char *buf, uint32_t len);
protected:
friend class FileLocation;
nsZipItem *mItem;
nsRefPtr<nsZipArchive> mZip;
mozilla::AutoFDClose mFd;
};
/**
* Returns the data associated with the resource pointed at by the file
* location.
*/
nsresult GetData(Data &data);
private:
nsCOMPtr<nsIFile> mBaseFile;
nsRefPtr<nsZipArchive> mBaseZip;
nsCString mPath;
}; /* class FileLocation */
} /* namespace mozilla */
#endif /* mozilla_FileLocation_h */