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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /xpcom/string/nsTDependentSubstring.cpp
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/string/nsTDependentSubstring.cpp')
-rw-r--r--xpcom/string/nsTDependentSubstring.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/xpcom/string/nsTDependentSubstring.cpp b/xpcom/string/nsTDependentSubstring.cpp
new file mode 100644
index 0000000000..ba1620f98b
--- /dev/null
+++ b/xpcom/string/nsTDependentSubstring.cpp
@@ -0,0 +1,106 @@
+/* -*- 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/. */
+
+// FIXME: Due to an include cycle, we need to include `nsTSubstring` first.
+#include "nsTSubstring.h"
+#include "nsTDependentSubstring.h"
+
+template <typename T>
+void nsTDependentSubstring<T>::Rebind(const substring_type& str,
+ size_type startPos, size_type length) {
+ // If we currently own a buffer, release it.
+ this->Finalize();
+
+ size_type strLength = str.Length();
+
+ if (startPos > strLength) {
+ startPos = strLength;
+ }
+
+ char_type* newData =
+ const_cast<char_type*>(static_cast<const char_type*>(str.Data())) +
+ startPos;
+ size_type newLength = XPCOM_MIN(length, strLength - startPos);
+ DataFlags newDataFlags = DataFlags(0);
+ this->SetData(newData, newLength, newDataFlags);
+}
+
+template <typename T>
+void nsTDependentSubstring<T>::Rebind(const char_type* data, size_type length) {
+ NS_ASSERTION(data, "nsTDependentSubstring must wrap a non-NULL buffer");
+
+ // If we currently own a buffer, release it.
+ this->Finalize();
+
+ char_type* newData =
+ const_cast<char_type*>(static_cast<const char_type*>(data));
+ size_type newLength = length;
+ DataFlags newDataFlags = DataFlags(0);
+ this->SetData(newData, newLength, newDataFlags);
+}
+
+template <typename T>
+void nsTDependentSubstring<T>::Rebind(const char_type* aStart,
+ const char_type* aEnd) {
+ MOZ_RELEASE_ASSERT(aStart <= aEnd, "Overflow!");
+ this->Rebind(aStart, size_type(aEnd - aStart));
+}
+
+template <typename T>
+nsTDependentSubstring<T>::nsTDependentSubstring(const char_type* aStart,
+ const char_type* aEnd)
+ : substring_type(const_cast<char_type*>(aStart), aEnd - aStart,
+ DataFlags(0), ClassFlags(0)) {
+ MOZ_RELEASE_ASSERT(aStart <= aEnd, "Overflow!");
+}
+
+#if defined(MOZ_USE_CHAR16_WRAPPER)
+template <typename T>
+template <typename Q, typename EnableIfChar16>
+nsTDependentSubstring<T>::nsTDependentSubstring(char16ptr_t aStart,
+ char16ptr_t aEnd)
+ : substring_type(static_cast<const char16_t*>(aStart),
+ static_cast<const char16_t*>(aEnd)) {
+ MOZ_RELEASE_ASSERT(static_cast<const char16_t*>(aStart) <=
+ static_cast<const char16_t*>(aEnd),
+ "Overflow!");
+}
+#endif
+
+template <typename T>
+nsTDependentSubstring<T>::nsTDependentSubstring(const const_iterator& aStart,
+ const const_iterator& aEnd)
+ : substring_type(const_cast<char_type*>(aStart.get()),
+ aEnd.get() - aStart.get(), DataFlags(0), ClassFlags(0)) {
+ MOZ_RELEASE_ASSERT(aStart.get() <= aEnd.get(), "Overflow!");
+}
+
+template <typename T>
+const nsTDependentSubstring<T> Substring(const T* aStart, const T* aEnd) {
+ MOZ_RELEASE_ASSERT(aStart <= aEnd, "Overflow!");
+ return nsTDependentSubstring<T>(aStart, aEnd);
+}
+
+template nsTDependentSubstring<char> const Substring<char>(char const*,
+ char const*);
+template nsTDependentSubstring<char16_t> const Substring<char16_t>(
+ char16_t const*, char16_t const*);
+
+#if defined(MOZ_USE_CHAR16_WRAPPER)
+const nsTDependentSubstring<char16_t> Substring(char16ptr_t aData,
+ size_t aLength) {
+ return nsTDependentSubstring<char16_t>(aData, aLength);
+}
+
+const nsTDependentSubstring<char16_t> Substring(char16ptr_t aStart,
+ char16ptr_t aEnd) {
+ return Substring(static_cast<const char16_t*>(aStart),
+ static_cast<const char16_t*>(aEnd));
+}
+#endif
+
+template class nsTDependentSubstring<char>;
+template class nsTDependentSubstring<char16_t>;