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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/build/nsXPCOMStrings.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/build/nsXPCOMStrings.cpp')
-rw-r--r--xpcom/build/nsXPCOMStrings.cpp366
1 files changed, 366 insertions, 0 deletions
diff --git a/xpcom/build/nsXPCOMStrings.cpp b/xpcom/build/nsXPCOMStrings.cpp
new file mode 100644
index 000000000..617edbab2
--- /dev/null
+++ b/xpcom/build/nsXPCOMStrings.cpp
@@ -0,0 +1,366 @@
+/* -*- 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/. */
+
+#include "nsString.h"
+#include "nsCharTraits.h"
+
+#include "nsXPCOMStrings.h"
+#include "nsNativeCharsetUtils.h"
+
+/* ------------------------------------------------------------------------- */
+
+XPCOM_API(nsresult)
+NS_StringContainerInit(nsStringContainer& aContainer)
+{
+ NS_ASSERTION(sizeof(nsStringContainer_base) >= sizeof(nsString),
+ "nsStringContainer is not large enough");
+
+ // use placement new to avoid heap allocating nsString object
+ new (&aContainer) nsString();
+
+ return NS_OK;
+}
+
+XPCOM_API(nsresult)
+NS_StringContainerInit2(nsStringContainer& aContainer,
+ const char16_t* aData,
+ uint32_t aDataLength,
+ uint32_t aFlags)
+{
+ NS_ASSERTION(sizeof(nsStringContainer_base) >= sizeof(nsString),
+ "nsStringContainer is not large enough");
+
+ if (!aData) {
+ new (&aContainer) nsString();
+ } else {
+ if (aDataLength == UINT32_MAX) {
+ if (NS_WARN_IF(aFlags & NS_STRING_CONTAINER_INIT_SUBSTRING)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ aDataLength = nsCharTraits<char16_t>::length(aData);
+ }
+
+ if (aFlags & (NS_STRING_CONTAINER_INIT_DEPEND |
+ NS_STRING_CONTAINER_INIT_ADOPT)) {
+ uint32_t flags;
+ if (aFlags & NS_STRING_CONTAINER_INIT_SUBSTRING) {
+ flags = nsSubstring::F_NONE;
+ } else {
+ flags = nsSubstring::F_TERMINATED;
+ }
+
+ if (aFlags & NS_STRING_CONTAINER_INIT_ADOPT) {
+ flags |= nsSubstring::F_OWNED;
+ }
+
+ new (&aContainer) nsSubstring(const_cast<char16_t*>(aData),
+ aDataLength, flags);
+ } else {
+ new (&aContainer) nsString(aData, aDataLength);
+ }
+ }
+
+ return NS_OK;
+}
+
+XPCOM_API(void)
+NS_StringContainerFinish(nsStringContainer& aContainer)
+{
+ // call the nsString dtor
+ reinterpret_cast<nsString*>(&aContainer)->~nsString();
+}
+
+/* ------------------------------------------------------------------------- */
+
+XPCOM_API(uint32_t)
+NS_StringGetData(const nsAString& aStr, const char16_t** aData,
+ bool* aTerminated)
+{
+ if (aTerminated) {
+ *aTerminated = aStr.IsTerminated();
+ }
+
+ *aData = aStr.BeginReading();
+ return aStr.Length();
+}
+
+XPCOM_API(uint32_t)
+NS_StringGetMutableData(nsAString& aStr, uint32_t aDataLength,
+ char16_t** aData)
+{
+ if (aDataLength != UINT32_MAX) {
+ aStr.SetLength(aDataLength);
+ if (aStr.Length() != aDataLength) {
+ *aData = nullptr;
+ return 0;
+ }
+ }
+
+ *aData = aStr.BeginWriting();
+ return aStr.Length();
+}
+
+XPCOM_API(char16_t*)
+NS_StringCloneData(const nsAString& aStr)
+{
+ return ToNewUnicode(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_StringSetData(nsAString& aStr, const char16_t* aData, uint32_t aDataLength)
+{
+ aStr.Assign(aData, aDataLength);
+ return NS_OK; // XXX report errors
+}
+
+XPCOM_API(nsresult)
+NS_StringSetDataRange(nsAString& aStr,
+ uint32_t aCutOffset, uint32_t aCutLength,
+ const char16_t* aData, uint32_t aDataLength)
+{
+ if (aCutOffset == UINT32_MAX) {
+ // append case
+ if (aData) {
+ aStr.Append(aData, aDataLength);
+ }
+ return NS_OK; // XXX report errors
+ }
+
+ if (aCutLength == UINT32_MAX) {
+ aCutLength = aStr.Length() - aCutOffset;
+ }
+
+ if (aData) {
+ if (aDataLength == UINT32_MAX) {
+ aStr.Replace(aCutOffset, aCutLength, nsDependentString(aData));
+ } else {
+ aStr.Replace(aCutOffset, aCutLength, Substring(aData, aDataLength));
+ }
+ } else {
+ aStr.Cut(aCutOffset, aCutLength);
+ }
+
+ return NS_OK; // XXX report errors
+}
+
+XPCOM_API(nsresult)
+NS_StringCopy(nsAString& aDest, const nsAString& aSrc)
+{
+ aDest.Assign(aSrc);
+ return NS_OK; // XXX report errors
+}
+
+XPCOM_API(void)
+NS_StringSetIsVoid(nsAString& aStr, const bool aIsVoid)
+{
+ aStr.SetIsVoid(aIsVoid);
+}
+
+XPCOM_API(bool)
+NS_StringGetIsVoid(const nsAString& aStr)
+{
+ return aStr.IsVoid();
+}
+
+/* ------------------------------------------------------------------------- */
+
+XPCOM_API(nsresult)
+NS_CStringContainerInit(nsCStringContainer& aContainer)
+{
+ NS_ASSERTION(sizeof(nsStringContainer_base) >= sizeof(nsCString),
+ "nsCStringContainer is not large enough");
+
+ // use placement new to avoid heap allocating nsCString object
+ new (&aContainer) nsCString();
+
+ return NS_OK;
+}
+
+XPCOM_API(nsresult)
+NS_CStringContainerInit2(nsCStringContainer& aContainer,
+ const char* aData,
+ uint32_t aDataLength,
+ uint32_t aFlags)
+{
+ NS_ASSERTION(sizeof(nsStringContainer_base) >= sizeof(nsCString),
+ "nsStringContainer is not large enough");
+
+ if (!aData) {
+ new (&aContainer) nsCString();
+ } else {
+ if (aDataLength == UINT32_MAX) {
+ if (NS_WARN_IF(aFlags & NS_CSTRING_CONTAINER_INIT_SUBSTRING)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ aDataLength = nsCharTraits<char>::length(aData);
+ }
+
+ if (aFlags & (NS_CSTRING_CONTAINER_INIT_DEPEND |
+ NS_CSTRING_CONTAINER_INIT_ADOPT)) {
+ uint32_t flags;
+ if (aFlags & NS_CSTRING_CONTAINER_INIT_SUBSTRING) {
+ flags = nsCSubstring::F_NONE;
+ } else {
+ flags = nsCSubstring::F_TERMINATED;
+ }
+
+ if (aFlags & NS_CSTRING_CONTAINER_INIT_ADOPT) {
+ flags |= nsCSubstring::F_OWNED;
+ }
+
+ new (&aContainer) nsCSubstring(const_cast<char*>(aData),
+ aDataLength, flags);
+ } else {
+ new (&aContainer) nsCString(aData, aDataLength);
+ }
+ }
+
+ return NS_OK;
+}
+
+XPCOM_API(void)
+NS_CStringContainerFinish(nsCStringContainer& aContainer)
+{
+ // call the nsCString dtor
+ reinterpret_cast<nsCString*>(&aContainer)->~nsCString();
+}
+
+/* ------------------------------------------------------------------------- */
+
+XPCOM_API(uint32_t)
+NS_CStringGetData(const nsACString& aStr, const char** aData,
+ bool* aTerminated)
+{
+ if (aTerminated) {
+ *aTerminated = aStr.IsTerminated();
+ }
+
+ *aData = aStr.BeginReading();
+ return aStr.Length();
+}
+
+XPCOM_API(uint32_t)
+NS_CStringGetMutableData(nsACString& aStr, uint32_t aDataLength, char** aData)
+{
+ if (aDataLength != UINT32_MAX) {
+ aStr.SetLength(aDataLength);
+ if (aStr.Length() != aDataLength) {
+ *aData = nullptr;
+ return 0;
+ }
+ }
+
+ *aData = aStr.BeginWriting();
+ return aStr.Length();
+}
+
+XPCOM_API(char*)
+NS_CStringCloneData(const nsACString& aStr)
+{
+ return ToNewCString(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_CStringSetData(nsACString& aStr, const char* aData, uint32_t aDataLength)
+{
+ aStr.Assign(aData, aDataLength);
+ return NS_OK; // XXX report errors
+}
+
+XPCOM_API(nsresult)
+NS_CStringSetDataRange(nsACString& aStr,
+ uint32_t aCutOffset, uint32_t aCutLength,
+ const char* aData, uint32_t aDataLength)
+{
+ if (aCutOffset == UINT32_MAX) {
+ // append case
+ if (aData) {
+ aStr.Append(aData, aDataLength);
+ }
+ return NS_OK; // XXX report errors
+ }
+
+ if (aCutLength == UINT32_MAX) {
+ aCutLength = aStr.Length() - aCutOffset;
+ }
+
+ if (aData) {
+ if (aDataLength == UINT32_MAX) {
+ aStr.Replace(aCutOffset, aCutLength, nsDependentCString(aData));
+ } else {
+ aStr.Replace(aCutOffset, aCutLength, Substring(aData, aDataLength));
+ }
+ } else {
+ aStr.Cut(aCutOffset, aCutLength);
+ }
+
+ return NS_OK; // XXX report errors
+}
+
+XPCOM_API(nsresult)
+NS_CStringCopy(nsACString& aDest, const nsACString& aSrc)
+{
+ aDest.Assign(aSrc);
+ return NS_OK; // XXX report errors
+}
+
+XPCOM_API(void)
+NS_CStringSetIsVoid(nsACString& aStr, const bool aIsVoid)
+{
+ aStr.SetIsVoid(aIsVoid);
+}
+
+XPCOM_API(bool)
+NS_CStringGetIsVoid(const nsACString& aStr)
+{
+ return aStr.IsVoid();
+}
+
+/* ------------------------------------------------------------------------- */
+
+XPCOM_API(nsresult)
+NS_CStringToUTF16(const nsACString& aSrc,
+ nsCStringEncoding aSrcEncoding,
+ nsAString& aDest)
+{
+ switch (aSrcEncoding) {
+ case NS_CSTRING_ENCODING_ASCII:
+ CopyASCIItoUTF16(aSrc, aDest);
+ break;
+ case NS_CSTRING_ENCODING_UTF8:
+ CopyUTF8toUTF16(aSrc, aDest);
+ break;
+ case NS_CSTRING_ENCODING_NATIVE_FILESYSTEM:
+ NS_CopyNativeToUnicode(aSrc, aDest);
+ break;
+ default:
+ return NS_ERROR_NOT_IMPLEMENTED;
+ }
+
+ return NS_OK; // XXX report errors
+}
+
+XPCOM_API(nsresult)
+NS_UTF16ToCString(const nsAString& aSrc,
+ nsCStringEncoding aDestEncoding,
+ nsACString& aDest)
+{
+ switch (aDestEncoding) {
+ case NS_CSTRING_ENCODING_ASCII:
+ LossyCopyUTF16toASCII(aSrc, aDest);
+ break;
+ case NS_CSTRING_ENCODING_UTF8:
+ CopyUTF16toUTF8(aSrc, aDest);
+ break;
+ case NS_CSTRING_ENCODING_NATIVE_FILESYSTEM:
+ NS_CopyUnicodeToNative(aSrc, aDest);
+ break;
+ default:
+ return NS_ERROR_NOT_IMPLEMENTED;
+ }
+
+ return NS_OK; // XXX report errors
+}