1 files changed, 145 insertions, 0 deletions
diff --git a/chromium/base/strings/string_util_win.cc b/chromium/base/strings/string_util_win.cc
new file mode 100644
index 00000000000..2c19729e0a5
--- /dev/null
+++ b/chromium/base/strings/string_util_win.cc
@@ -0,0 +1,145 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/strings/string_util_win.h"
+
+#include "base/strings/string_util_internal.h"
+
+namespace base {
+
+#if defined(BASE_STRING16_IS_STD_U16STRING)
+bool IsStringASCII(WStringPiece str) {
+  return internal::DoIsStringASCII(str.data(), str.length());
+}
+
+std::wstring ToLowerASCII(WStringPiece str) {
+  return internal::ToLowerASCIIImpl(str);
+}
+
+std::wstring ToUpperASCII(WStringPiece str) {
+  return internal::ToUpperASCIIImpl(str);
+}
+
+int CompareCaseInsensitiveASCII(WStringPiece a, WStringPiece b) {
+  return internal::CompareCaseInsensitiveASCIIT(a, b);
+}
+
+bool EqualsCaseInsensitiveASCII(WStringPiece a, WStringPiece b) {
+  return a.size() == b.size() &&
+         internal::CompareCaseInsensitiveASCIIT(a, b) == 0;
+}
+
+bool RemoveChars(WStringPiece input,
+                 WStringPiece remove_chars,
+                 std::wstring* output) {
+  return internal::ReplaceCharsT(input, remove_chars, WStringPiece(), output);
+}
+
+bool ReplaceChars(WStringPiece input,
+                  WStringPiece replace_chars,
+                  WStringPiece replace_with,
+                  std::wstring* output) {
+  return internal::ReplaceCharsT(input, replace_chars, replace_with, output);
+}
+
+bool TrimString(WStringPiece input,
+                WStringPiece trim_chars,
+                std::wstring* output) {
+  return internal::TrimStringT(input, trim_chars, TRIM_ALL, output) !=
+         TRIM_NONE;
+}
+
+WStringPiece TrimString(WStringPiece input,
+                        WStringPiece trim_chars,
+                        TrimPositions positions) {
+  return internal::TrimStringPieceT(input, trim_chars, positions);
+}
+
+TrimPositions TrimWhitespace(WStringPiece input,
+                             TrimPositions positions,
+                             std::wstring* output) {
+  return internal::TrimStringT(input, WStringPiece(kWhitespaceWide), positions,
+                               output);
+}
+
+WStringPiece TrimWhitespace(WStringPiece input, TrimPositions positions) {
+  return internal::TrimStringPieceT(input, WStringPiece(kWhitespaceWide),
+                                    positions);
+}
+
+std::wstring CollapseWhitespace(WStringPiece text,
+                                bool trim_sequences_with_line_breaks) {
+  return internal::CollapseWhitespaceT(text, trim_sequences_with_line_breaks);
+}
+
+bool ContainsOnlyChars(WStringPiece input, WStringPiece characters) {
+  return input.find_first_not_of(characters) == StringPiece::npos;
+}
+
+bool LowerCaseEqualsASCII(WStringPiece str, StringPiece lowercase_ascii) {
+  return internal::DoLowerCaseEqualsASCII(str, lowercase_ascii);
+}
+
+bool EqualsASCII(WStringPiece str, StringPiece ascii) {
+  return std::equal(ascii.begin(), ascii.end(), str.begin(), str.end());
+}
+
+bool StartsWith(WStringPiece str,
+                WStringPiece search_for,
+                CompareCase case_sensitivity) {
+  return internal::StartsWithT(str, search_for, case_sensitivity);
+}
+
+bool EndsWith(WStringPiece str,
+              WStringPiece search_for,
+              CompareCase case_sensitivity) {
+  return internal::EndsWithT(str, search_for, case_sensitivity);
+}
+
+void ReplaceFirstSubstringAfterOffset(std::wstring* str,
+                                      size_t start_offset,
+                                      WStringPiece find_this,
+                                      WStringPiece replace_with) {
+  internal::DoReplaceMatchesAfterOffset(
+      str, start_offset, internal::SubstringMatcher<std::wstring>{find_this},
+      replace_with, internal::ReplaceType::REPLACE_FIRST);
+}
+
+void ReplaceSubstringsAfterOffset(std::wstring* str,
+                                  size_t start_offset,
+                                  WStringPiece find_this,
+                                  WStringPiece replace_with) {
+  internal::DoReplaceMatchesAfterOffset(
+      str, start_offset, internal::SubstringMatcher<std::wstring>{find_this},
+      replace_with, internal::ReplaceType::REPLACE_ALL);
+}
+
+wchar_t* WriteInto(std::wstring* str, size_t length_with_null) {
+  return internal::WriteIntoT(str, length_with_null);
+}
+
+std::wstring JoinString(span<const std::wstring> parts,
+                        WStringPiece separator) {
+  return internal::JoinStringT(parts, separator);
+}
+
+std::wstring JoinString(span<const WStringPiece> parts,
+                        WStringPiece separator) {
+  return internal::JoinStringT(parts, separator);
+}
+
+std::wstring JoinString(std::initializer_list<WStringPiece> parts,
+                        WStringPiece separator) {
+  return internal::JoinStringT(parts, separator);
+}
+
+std::wstring ReplaceStringPlaceholders(WStringPiece format_string,
+                                       const std::vector<std::wstring>& subst,
+                                       std::vector<size_t>* offsets) {
+  return internal::DoReplaceStringPlaceholders(format_string, subst, offsets);
+}
+
+#endif
+
+}  // namespace base