gecko/js/xpconnect/public/nsTArrayHelpers.h
Ehsan Akhgari 0fd9123eac 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

50 lines
1.4 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 __NSTARRAYHELPERS_H__
#define __NSTARRAYHELPERS_H__
template <class T>
inline nsresult
nsTArrayToJSArray(JSContext* aCx, const nsTArray<T>& aSourceArray,
JSObject** aResultArray)
{
MOZ_ASSERT(aCx);
JSAutoRequest ar(aCx);
JSObject* arrayObj = JS_NewArrayObject(aCx, aSourceArray.Length(), nullptr);
if (!arrayObj) {
NS_WARNING("JS_NewArrayObject failed!");
return NS_ERROR_OUT_OF_MEMORY;
}
JSObject* global = JS_GetGlobalForScopeChain(aCx);
MOZ_ASSERT(global);
for (uint32_t index = 0; index < aSourceArray.Length(); index++) {
nsCOMPtr<nsISupports> obj;
nsresult rv = CallQueryInterface(aSourceArray[index], getter_AddRefs(obj));
NS_ENSURE_SUCCESS(rv, rv);
jsval wrappedVal;
rv = nsContentUtils::WrapNative(aCx, global, obj, &wrappedVal, nullptr, true);
NS_ENSURE_SUCCESS(rv, rv);
if (!JS_SetElement(aCx, arrayObj, index, &wrappedVal)) {
NS_WARNING("JS_SetElement failed!");
return NS_ERROR_FAILURE;
}
}
if (!JS_FreezeObject(aCx, arrayObj)) {
NS_WARNING("JS_FreezeObject failed!");
return NS_ERROR_FAILURE;
}
*aResultArray = arrayObj;
return NS_OK;
}
#endif /* __NSTARRAYHELPERS_H__ */