gecko/xpcom/io/nsIBinaryInputStream.idl
Ehsan Akhgari 8c296bbcd4 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

108 lines
2.9 KiB
Plaintext

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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/. */
#include "nsIInputStream.idl"
#include "nsrootidl.idl"
/**
* This interface allows consumption of primitive data types from a "binary
* stream" containing untagged, big-endian binary data, i.e. as produced by an
* implementation of nsIBinaryOutputStream. This might be used, for example,
* to implement network protocols or to read from architecture-neutral disk
* files, i.e. ones that can be read and written by both big-endian and
* little-endian platforms.
*
* @See nsIBinaryOutputStream
*/
[scriptable, uuid(7b456cb0-8772-11d3-90cf-0040056a906e)]
interface nsIBinaryInputStream : nsIInputStream {
void setInputStream(in nsIInputStream aInputStream);
/**
* Read 8-bits from the stream.
*
* @return that byte to be treated as a boolean.
*/
boolean readBoolean();
uint8_t read8();
uint16_t read16();
uint32_t read32();
uint64_t read64();
float readFloat();
double readDouble();
/**
* Read an 8-bit pascal style string from the stream.
* 32-bit length field, followed by length 8-bit chars.
*/
ACString readCString();
/**
* Read an 16-bit pascal style string from the stream.
* 32-bit length field, followed by length PRUnichars.
*/
AString readString();
/**
* Read an opaque byte array from the stream.
*
* @param aLength the number of bytes that must be read.
*
* @throws NS_ERROR_FAILURE if it can't read aLength bytes
*/
void readBytes(in uint32_t aLength,
[size_is(aLength), retval] out string aString);
/**
* Read an opaque byte array from the stream, storing the results
* as an array of PRUint8s.
*
* @param aLength the number of bytes that must be read.
*
* @throws NS_ERROR_FAILURE if it can't read aLength bytes
*/
void readByteArray(in uint32_t aLength,
[array, size_is(aLength), retval] out uint8_t aBytes);
};
%{C++
#ifdef MOZILLA_INTERNAL_API
#include "nsString.h"
inline nsresult
NS_ReadOptionalCString(nsIBinaryInputStream* aStream, nsACString& aResult)
{
bool nonnull;
nsresult rv = aStream->ReadBoolean(&nonnull);
if (NS_SUCCEEDED(rv)) {
if (nonnull)
rv = aStream->ReadCString(aResult);
else
aResult.Truncate();
}
return rv;
}
inline nsresult
NS_ReadOptionalString(nsIBinaryInputStream* aStream, nsAString& aResult)
{
bool nonnull;
nsresult rv = aStream->ReadBoolean(&nonnull);
if (NS_SUCCEEDED(rv)) {
if (nonnull)
rv = aStream->ReadString(aResult);
else
aResult.Truncate();
}
return rv;
}
#endif
%}