forked from mirrors/gecko-dev
d55796be17
Inline Create() and Realloc() so that we don't get negative leaks, since were that code end up in mozglue, it wouldn't have access to the logging machinery. Differential Revision: https://phabricator.services.mozilla.com/D209663
610 lines
23 KiB
C++
610 lines
23 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// IWYU pragma: private, include "nsString.h"
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#ifndef nsReadableUtils_h___
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#define nsReadableUtils_h___
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/**
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* I guess all the routines in this file are all mis-named.
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* According to our conventions, they should be |NS_xxx|.
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*/
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#include "mozilla/Assertions.h"
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#include "nsAString.h"
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#include "mozilla/TextUtils.h"
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#include "nsTArrayForwardDeclare.h"
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// From the nsstring crate
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extern "C" {
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bool nsstring_fallible_append_utf8_impl(nsAString* aThis, const char* aOther,
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size_t aOtherLen, size_t aOldLen);
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bool nsstring_fallible_append_latin1_impl(nsAString* aThis, const char* aOther,
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size_t aOtherLen, size_t aOldLen,
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bool aAllowShrinking);
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bool nscstring_fallible_append_utf16_to_utf8_impl(nsACString* aThis,
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const char16_t*,
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size_t aOtherLen,
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size_t aOldLen);
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bool nscstring_fallible_append_utf16_to_latin1_lossy_impl(nsACString* aThis,
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const char16_t*,
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size_t aOtherLen,
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size_t aOldLen,
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bool aAllowShrinking);
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bool nscstring_fallible_append_utf8_to_latin1_lossy_check(
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nsACString* aThis, const nsACString* aOther, size_t aOldLen);
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bool nscstring_fallible_append_latin1_to_utf8_check(nsACString* aThis,
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const nsACString* aOther,
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size_t aOldLen);
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}
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inline size_t Distance(const nsReadingIterator<char16_t>& aStart,
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const nsReadingIterator<char16_t>& aEnd) {
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MOZ_ASSERT(aStart.get() <= aEnd.get());
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return static_cast<size_t>(aEnd.get() - aStart.get());
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}
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inline size_t Distance(const nsReadingIterator<char>& aStart,
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const nsReadingIterator<char>& aEnd) {
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MOZ_ASSERT(aStart.get() <= aEnd.get());
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return static_cast<size_t>(aEnd.get() - aStart.get());
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}
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// NOTE: Operations that don't need an operand to be an XPCOM string
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// are in mozilla/TextUtils.h and mozilla/Utf8.h.
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// UTF-8 to UTF-16
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// Invalid UTF-8 byte sequences are replaced with the REPLACEMENT CHARACTER.
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[[nodiscard]] inline bool CopyUTF8toUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest,
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const mozilla::fallible_t&) {
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return nsstring_fallible_append_utf8_impl(&aDest, aSource.Elements(),
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aSource.Length(), 0);
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}
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inline void CopyUTF8toUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest) {
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if (MOZ_UNLIKELY(!CopyUTF8toUTF16(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aSource.Length());
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}
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}
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[[nodiscard]] inline bool AppendUTF8toUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest,
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const mozilla::fallible_t&) {
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return nsstring_fallible_append_utf8_impl(&aDest, aSource.Elements(),
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aSource.Length(), aDest.Length());
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}
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inline void AppendUTF8toUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest) {
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if (MOZ_UNLIKELY(!AppendUTF8toUTF16(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aDest.Length() + aSource.Length());
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}
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}
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// Latin1 to UTF-16
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// Interpret each incoming unsigned byte value as a Unicode scalar value (not
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// windows-1252!). The function names say "ASCII" instead of "Latin1" for
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// legacy reasons.
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[[nodiscard]] inline bool CopyASCIItoUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest,
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const mozilla::fallible_t&) {
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return nsstring_fallible_append_latin1_impl(&aDest, aSource.Elements(),
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aSource.Length(), 0, true);
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}
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inline void CopyASCIItoUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest) {
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if (MOZ_UNLIKELY(!CopyASCIItoUTF16(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aSource.Length());
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}
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}
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[[nodiscard]] inline bool AppendASCIItoUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest,
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const mozilla::fallible_t&) {
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return nsstring_fallible_append_latin1_impl(
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&aDest, aSource.Elements(), aSource.Length(), aDest.Length(), false);
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}
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inline void AppendASCIItoUTF16(mozilla::Span<const char> aSource,
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nsAString& aDest) {
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if (MOZ_UNLIKELY(!AppendASCIItoUTF16(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aDest.Length() + aSource.Length());
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}
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}
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// UTF-16 to UTF-8
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// Unpaired surrogates are replaced with the REPLACEMENT CHARACTER.
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[[nodiscard]] inline bool CopyUTF16toUTF8(mozilla::Span<const char16_t> aSource,
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nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_utf16_to_utf8_impl(
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&aDest, aSource.Elements(), aSource.Length(), 0);
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}
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inline void CopyUTF16toUTF8(mozilla::Span<const char16_t> aSource,
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nsACString& aDest) {
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if (MOZ_UNLIKELY(!CopyUTF16toUTF8(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aSource.Length());
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}
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}
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[[nodiscard]] inline bool AppendUTF16toUTF8(
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mozilla::Span<const char16_t> aSource, nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_utf16_to_utf8_impl(
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&aDest, aSource.Elements(), aSource.Length(), aDest.Length());
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}
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inline void AppendUTF16toUTF8(mozilla::Span<const char16_t> aSource,
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nsACString& aDest) {
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if (MOZ_UNLIKELY(!AppendUTF16toUTF8(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aDest.Length() + aSource.Length());
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}
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}
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// UTF-16 to Latin1
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// If all code points in the input are below U+0100, represents each scalar
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// value as an unsigned byte. (This is not windows-1252!) If there are code
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// points above U+00FF, memory-safely produces garbage and will likely start
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// asserting in future debug builds. The nature of the garbage may differ
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// based on CPU architecture and must not be relied upon. The names say
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// "ASCII" instead of "Latin1" for legacy reasons.
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[[nodiscard]] inline bool LossyCopyUTF16toASCII(
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mozilla::Span<const char16_t> aSource, nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_utf16_to_latin1_lossy_impl(
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&aDest, aSource.Elements(), aSource.Length(), 0, true);
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}
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inline void LossyCopyUTF16toASCII(mozilla::Span<const char16_t> aSource,
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nsACString& aDest) {
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if (MOZ_UNLIKELY(!LossyCopyUTF16toASCII(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aSource.Length());
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}
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}
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[[nodiscard]] inline bool LossyAppendUTF16toASCII(
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mozilla::Span<const char16_t> aSource, nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_utf16_to_latin1_lossy_impl(
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&aDest, aSource.Elements(), aSource.Length(), aDest.Length(), false);
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}
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inline void LossyAppendUTF16toASCII(mozilla::Span<const char16_t> aSource,
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nsACString& aDest) {
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if (MOZ_UNLIKELY(
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!LossyAppendUTF16toASCII(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aDest.Length() + aSource.Length());
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}
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}
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// Latin1 to UTF-8
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// Interpret each incoming unsigned byte value as a Unicode scalar value (not
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// windows-1252!).
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// If the input is ASCII, the heap-allocated mozilla::StringBuffer is shared if
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// possible.
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[[nodiscard]] inline bool CopyLatin1toUTF8(const nsACString& aSource,
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nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_latin1_to_utf8_check(&aDest, &aSource, 0);
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}
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inline void CopyLatin1toUTF8(const nsACString& aSource, nsACString& aDest) {
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if (MOZ_UNLIKELY(!CopyLatin1toUTF8(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aSource.Length());
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}
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}
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[[nodiscard]] inline bool AppendLatin1toUTF8(const nsACString& aSource,
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nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_latin1_to_utf8_check(&aDest, &aSource,
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aDest.Length());
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}
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inline void AppendLatin1toUTF8(const nsACString& aSource, nsACString& aDest) {
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if (MOZ_UNLIKELY(!AppendLatin1toUTF8(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aDest.Length() + aSource.Length());
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}
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}
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// UTF-8 to Latin1
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// If all code points in the input are below U+0100, represents each scalar
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// value as an unsigned byte. (This is not windows-1252!) If there are code
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// points above U+00FF, memory-safely produces garbage in release builds and
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// asserts in debug builds. The nature of the garbage may differ
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// based on CPU architecture and must not be relied upon.
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// If the input is ASCII, the heap-allocated mozilla::StringBuffer is shared if
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// possible.
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[[nodiscard]] inline bool LossyCopyUTF8toLatin1(const nsACString& aSource,
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nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_utf8_to_latin1_lossy_check(&aDest, &aSource,
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0);
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}
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inline void LossyCopyUTF8toLatin1(const nsACString& aSource,
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nsACString& aDest) {
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if (MOZ_UNLIKELY(!LossyCopyUTF8toLatin1(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aSource.Length());
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}
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}
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[[nodiscard]] inline bool LossyAppendUTF8toLatin1(const nsACString& aSource,
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nsACString& aDest,
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const mozilla::fallible_t&) {
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return nscstring_fallible_append_utf8_to_latin1_lossy_check(&aDest, &aSource,
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aDest.Length());
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}
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inline void LossyAppendUTF8toLatin1(const nsACString& aSource,
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nsACString& aDest) {
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if (MOZ_UNLIKELY(
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!LossyAppendUTF8toLatin1(aSource, aDest, mozilla::fallible))) {
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aDest.AllocFailed(aDest.Length() + aSource.Length());
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}
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}
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/**
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* Returns a new |char| buffer containing a zero-terminated copy of |aSource|.
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*
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* Infallibly allocates and returns a new |char| buffer which you must
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* free with |free|.
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* Performs a conversion with LossyConvertUTF16toLatin1() writing into the
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* newly-allocated buffer.
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*
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* The new buffer is zero-terminated, but that may not help you if |aSource|
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* contains embedded nulls.
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*
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* @param aSource a 16-bit wide string
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* @return a new |char| buffer you must free with |free|.
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*/
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char* ToNewCString(const nsAString& aSource);
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/* A fallible version of ToNewCString. Returns nullptr on failure. */
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char* ToNewCString(const nsAString& aSource,
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const mozilla::fallible_t& aFallible);
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/**
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* Returns a new |char| buffer containing a zero-terminated copy of |aSource|.
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*
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* Infallibly allocates and returns a new |char| buffer which you must
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* free with |free|.
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*
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* The new buffer is zero-terminated, but that may not help you if |aSource|
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* contains embedded nulls.
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*
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* @param aSource an 8-bit wide string
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* @return a new |char| buffer you must free with |free|.
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*/
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char* ToNewCString(const nsACString& aSource);
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/* A fallible version of ToNewCString. Returns nullptr on failure. */
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char* ToNewCString(const nsACString& aSource,
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const mozilla::fallible_t& aFallible);
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/**
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* Returns a new |char| buffer containing a zero-terminated copy of |aSource|.
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*
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* Infallibly allocates and returns a new |char| buffer which you must
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* free with |free|.
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* Performs an encoding conversion from a UTF-16 string to a UTF-8 string with
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* unpaired surrogates replaced with the REPLACEMENT CHARACTER copying
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* |aSource| to your new buffer.
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*
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* The new buffer is zero-terminated, but that may not help you if |aSource|
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* contains embedded nulls.
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*
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* @param aSource a UTF-16 string (made of char16_t's)
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* @param aUTF8Count the number of 8-bit units that was returned
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* @return a new |char| buffer you must free with |free|.
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*/
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char* ToNewUTF8String(const nsAString& aSource, uint32_t* aUTF8Count = nullptr);
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/* A fallible version of ToNewUTF8String. Returns nullptr on failure. */
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char* ToNewUTF8String(const nsAString& aSource, uint32_t* aUTF8Count,
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const mozilla::fallible_t& aFallible);
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/**
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* Returns a new |char16_t| buffer containing a zero-terminated copy
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* of |aSource|.
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*
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* Infallibly allocates and returns a new |char16_t| buffer which you must
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* free with |free|.
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*
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* The new buffer is zero-terminated, but that may not help you if |aSource|
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* contains embedded nulls.
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*
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* @param aSource a UTF-16 string
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* @return a new |char16_t| buffer you must free with |free|.
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*/
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char16_t* ToNewUnicode(const nsAString& aSource);
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/* A fallible version of ToNewUnicode. Returns nullptr on failure. */
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char16_t* ToNewUnicode(const nsAString& aSource,
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const mozilla::fallible_t& aFallible);
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/**
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* Returns a new |char16_t| buffer containing a zero-terminated copy
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* of |aSource|.
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*
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* Infallibly allocates and returns a new |char16_t| buffer which you must
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* free with|free|.
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*
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* Performs an encoding conversion by 0-padding 8-bit wide characters up to
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* 16-bits wide (i.e. Latin1 to UTF-16 conversion) while copying |aSource|
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* to your new buffer.
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*
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* The new buffer is zero-terminated, but that may not help you if |aSource|
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* contains embedded nulls.
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*
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* @param aSource a Latin1 string
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* @return a new |char16_t| buffer you must free with |free|.
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*/
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char16_t* ToNewUnicode(const nsACString& aSource);
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/* A fallible version of ToNewUnicode. Returns nullptr on failure. */
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char16_t* ToNewUnicode(const nsACString& aSource,
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const mozilla::fallible_t& aFallible);
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/**
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* Returns a new |char16_t| buffer containing a zero-terminated copy
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* of |aSource|.
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*
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* Infallibly allocates and returns a new |char| buffer which you must
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* free with |free|. Performs an encoding conversion from UTF-8 to UTF-16
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* while copying |aSource| to your new buffer. Malformed byte sequences
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* are replaced with the REPLACEMENT CHARACTER.
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*
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* The new buffer is zero-terminated, but that may not help you if |aSource|
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* contains embedded nulls.
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*
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* @param aSource an 8-bit wide string, UTF-8 encoded
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* @param aUTF16Count the number of 16-bit units that was returned
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* @return a new |char16_t| buffer you must free with |free|.
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* (UTF-16 encoded)
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*/
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char16_t* UTF8ToNewUnicode(const nsACString& aSource,
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uint32_t* aUTF16Count = nullptr);
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/* A fallible version of UTF8ToNewUnicode. Returns nullptr on failure. */
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char16_t* UTF8ToNewUnicode(const nsACString& aSource, uint32_t* aUTF16Count,
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const mozilla::fallible_t& aFallible);
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/**
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* Copies |aLength| 16-bit code units from the start of |aSource| to the
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* |char16_t| buffer |aDest|.
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*
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* After this operation |aDest| is not null terminated.
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*
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* @param aSource a UTF-16 string
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* @param aSrcOffset start offset in the source string
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* @param aDest a |char16_t| buffer
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* @param aLength the number of 16-bit code units to copy
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* @return pointer to destination buffer - identical to |aDest|
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*/
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char16_t* CopyUnicodeTo(const nsAString& aSource, uint32_t aSrcOffset,
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char16_t* aDest, uint32_t aLength);
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/**
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* Replaces unpaired surrogates with U+FFFD in the argument.
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*
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* Copies a shared string buffer or an otherwise read-only
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* buffer only if there are unpaired surrogates.
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*/
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[[nodiscard]] inline bool EnsureUTF16Validity(nsAString& aString) {
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size_t upTo = mozilla::Utf16ValidUpTo(aString);
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size_t len = aString.Length();
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if (upTo == len) {
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return true;
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}
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char16_t* ptr = aString.BeginWriting(mozilla::fallible);
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if (!ptr) {
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return false;
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}
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auto span = mozilla::Span(ptr, len);
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span[upTo] = 0xFFFD;
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mozilla::EnsureUtf16ValiditySpan(span.From(upTo + 1));
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return true;
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}
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void ParseString(const nsACString& aSource, char aDelimiter,
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nsTArray<nsCString>& aArray);
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namespace mozilla::detail {
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constexpr auto kStringJoinAppendDefault =
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[](auto& aResult, const auto& aValue) { aResult.Append(aValue); };
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} // namespace mozilla::detail
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/**
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* Join a sequence of items, each optionally transformed to a string, with a
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* given separator, appending to a given string.
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*
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* \tparam CharType char or char16_t
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* \tparam InputRange a range usable with range-based for
|
|
* \tparam Func optionally, a functor accepting a nsTSubstring<CharType>& and
|
|
* an item of InputRange which appends the latter to the former
|
|
*/
|
|
template <
|
|
typename CharType, typename InputRange,
|
|
typename Func = const decltype(mozilla::detail::kStringJoinAppendDefault)&>
|
|
void StringJoinAppend(
|
|
nsTSubstring<CharType>& aOutput,
|
|
const nsTLiteralString<CharType>& aSeparator, const InputRange& aInputRange,
|
|
Func&& aFunc = mozilla::detail::kStringJoinAppendDefault) {
|
|
bool first = true;
|
|
for (const auto& item : aInputRange) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
aOutput.Append(aSeparator);
|
|
}
|
|
|
|
aFunc(aOutput, item);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Join a sequence of items, each optionally transformed to a string, with a
|
|
* given separator, returning a new string.
|
|
*
|
|
* \tparam CharType char or char16_t
|
|
* \tparam InputRange a range usable with range-based for
|
|
* \tparam Func optionally, a functor accepting a nsTSubstring<CharType>& and
|
|
* an item of InputRange which appends the latter to the former
|
|
|
|
*/
|
|
template <
|
|
typename CharType, typename InputRange,
|
|
typename Func = const decltype(mozilla::detail::kStringJoinAppendDefault)&>
|
|
auto StringJoin(const nsTLiteralString<CharType>& aSeparator,
|
|
const InputRange& aInputRange,
|
|
Func&& aFunc = mozilla::detail::kStringJoinAppendDefault) {
|
|
nsTAutoString<CharType> res;
|
|
StringJoinAppend(res, aSeparator, aInputRange, std::forward<Func>(aFunc));
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Converts case in place in the argument string.
|
|
*/
|
|
void ToUpperCase(nsACString&);
|
|
|
|
void ToLowerCase(nsACString&);
|
|
|
|
void ToUpperCase(nsACString&);
|
|
|
|
void ToLowerCase(nsACString&);
|
|
|
|
/**
|
|
* Converts case from string aSource to aDest.
|
|
*/
|
|
void ToUpperCase(const nsACString& aSource, nsACString& aDest);
|
|
|
|
void ToLowerCase(const nsACString& aSource, nsACString& aDest);
|
|
|
|
/**
|
|
* Finds the leftmost occurrence of |aPattern|, if any in the range
|
|
* |aSearchStart|..|aSearchEnd|.
|
|
*
|
|
* Returns |true| if a match was found, and adjusts |aSearchStart| and
|
|
* |aSearchEnd| to point to the match. If no match was found, returns |false|
|
|
* and makes |aSearchStart == aSearchEnd|.
|
|
*
|
|
* Currently, this is equivalent to the O(m*n) implementation previously on
|
|
* |ns[C]String|.
|
|
*
|
|
* If we need something faster, then we can implement that later.
|
|
*/
|
|
|
|
bool FindInReadable(const nsAString& aPattern, nsAString::const_iterator&,
|
|
nsAString::const_iterator&,
|
|
nsStringComparator = nsTDefaultStringComparator);
|
|
bool FindInReadable(const nsACString& aPattern, nsACString::const_iterator&,
|
|
nsACString::const_iterator&,
|
|
nsCStringComparator = nsTDefaultStringComparator);
|
|
|
|
/* sometimes we don't care about where the string was, just that we
|
|
* found it or not */
|
|
inline bool FindInReadable(
|
|
const nsAString& aPattern, const nsAString& aSource,
|
|
nsStringComparator aCompare = nsTDefaultStringComparator) {
|
|
nsAString::const_iterator start, end;
|
|
aSource.BeginReading(start);
|
|
aSource.EndReading(end);
|
|
return FindInReadable(aPattern, start, end, aCompare);
|
|
}
|
|
|
|
inline bool FindInReadable(
|
|
const nsACString& aPattern, const nsACString& aSource,
|
|
nsCStringComparator aCompare = nsTDefaultStringComparator) {
|
|
nsACString::const_iterator start, end;
|
|
aSource.BeginReading(start);
|
|
aSource.EndReading(end);
|
|
return FindInReadable(aPattern, start, end, aCompare);
|
|
}
|
|
|
|
bool CaseInsensitiveFindInReadable(const nsACString& aPattern,
|
|
nsACString::const_iterator&,
|
|
nsACString::const_iterator&);
|
|
|
|
/**
|
|
* Finds the rightmost occurrence of |aPattern|
|
|
* Returns |true| if a match was found, and adjusts |aSearchStart| and
|
|
* |aSearchEnd| to point to the match. If no match was found, returns |false|
|
|
* and makes |aSearchStart == aSearchEnd|.
|
|
*/
|
|
bool RFindInReadable(const nsAString& aPattern, nsAString::const_iterator&,
|
|
nsAString::const_iterator&,
|
|
nsStringComparator = nsTDefaultStringComparator);
|
|
bool RFindInReadable(const nsACString& aPattern, nsACString::const_iterator&,
|
|
nsACString::const_iterator&,
|
|
nsCStringComparator = nsTDefaultStringComparator);
|
|
|
|
/**
|
|
* Finds the leftmost occurrence of |aChar|, if any in the range
|
|
* |aSearchStart|..|aSearchEnd|.
|
|
*
|
|
* Returns |true| if a match was found, and adjusts |aSearchStart| to
|
|
* point to the match. If no match was found, returns |false| and
|
|
* makes |aSearchStart == aSearchEnd|.
|
|
*/
|
|
bool FindCharInReadable(char16_t aChar, nsAString::const_iterator& aSearchStart,
|
|
const nsAString::const_iterator& aSearchEnd);
|
|
bool FindCharInReadable(char aChar, nsACString::const_iterator& aSearchStart,
|
|
const nsACString::const_iterator& aSearchEnd);
|
|
|
|
bool StringBeginsWith(const nsAString& aSource, const nsAString& aSubstring);
|
|
bool StringBeginsWith(const nsAString& aSource, const nsAString& aSubstring,
|
|
nsStringComparator);
|
|
bool StringBeginsWith(const nsACString& aSource, const nsACString& aSubstring);
|
|
bool StringBeginsWith(const nsACString& aSource, const nsACString& aSubstring,
|
|
nsCStringComparator);
|
|
bool StringEndsWith(const nsAString& aSource, const nsAString& aSubstring);
|
|
bool StringEndsWith(const nsAString& aSource, const nsAString& aSubstring,
|
|
nsStringComparator);
|
|
bool StringEndsWith(const nsACString& aSource, const nsACString& aSubstring);
|
|
bool StringEndsWith(const nsACString& aSource, const nsACString& aSubstring,
|
|
nsCStringComparator);
|
|
|
|
const nsString& EmptyString();
|
|
const nsCString& EmptyCString();
|
|
|
|
const nsString& VoidString();
|
|
const nsCString& VoidCString();
|
|
|
|
/**
|
|
* Compare a UTF-8 string to an UTF-16 string.
|
|
*
|
|
* Returns 0 if the strings are equal, -1 if aUTF8String is less
|
|
* than aUTF16Count, and 1 in the reverse case. Errors are replaced
|
|
* with U+FFFD and then the U+FFFD is compared as if it had occurred
|
|
* in the input. If aErr is not nullptr, *aErr is set to true if
|
|
* either string had malformed sequences.
|
|
*/
|
|
int32_t CompareUTF8toUTF16(const nsACString& aUTF8String,
|
|
const nsAString& aUTF16String, bool* aErr = nullptr);
|
|
|
|
void AppendUCS4ToUTF16(const uint32_t aSource, nsAString& aDest);
|
|
|
|
#endif // !defined(nsReadableUtils_h___)
|