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Unified Diff: third_party/libphonenumber/cpp/src/regexp_adapter_re2.cc

Issue 6930013: Re-committing http://codereview.chromium.org/6803005/ after fixing multi-dll build: (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 9 years, 8 months ago
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Index: third_party/libphonenumber/cpp/src/regexp_adapter_re2.cc
===================================================================
--- third_party/libphonenumber/cpp/src/regexp_adapter_re2.cc (revision 0)
+++ third_party/libphonenumber/cpp/src/regexp_adapter_re2.cc (revision 0)
@@ -0,0 +1,192 @@
+// Copyright (C) 2011 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Author: George Yakovlev
+#include "regexp_adapter.h"
+
+#include <re2/re2.h>
+#include <re2/stringpiece.h>
+#include <re2/re2.h>
+
+namespace {
+scoped_ptr<RE2Cache> re2_cache;
+} // namespace
+
+class RE2RegularExpressionInput : public RegularExpressionInput {
+ public:
+ RE2RegularExpressionInput(const char* utf8_input);
+
+ virtual bool ConsumeRegExp(std::string const& reg_exp,
+ bool beginning_only,
+ std::string* matched_string1,
+ std::string* matched_string2);
+ virtual std::string ToString() const;
+ private:
+ StringPiece utf8_input_;
+};
+
+
+class RE2RegularExpression : public reg_exp::RegularExpression {
+ public:
+ RE2RegularExpression(const char* utf8_regexp);
+
+ virtual bool Consume(reg_exp::RegularExpressionInput* input_string,
+ bool beginning_only,
+ std::string* matched_string1,
+ std::string* matched_string2,
+ std::string* matched_string3) const;
+
+ virtual bool Match(const char* input_string,
+ bool full_match,
+ std::string* matched_string) const;
+
+ virtual bool Replace(std::string* string_to_process,
+ bool global,
+ const char* replacement_string) const;
+ private:
+ RE2 utf8_regexp_;
+};
+
+RE2RegularExpressionInput::RE2RegularExpressionInput(const char* utf8_input)
+ : utf8_input_(utf8_input) {
+ DCHECK(utf8_input);
+}
+
+bool RE2RegularExpressionInput::ConsumeRegExp(std::string const& reg_exp,
+ bool beginning_only,
+ std::string* matched_string1,
+ std::string* matched_string2) {
+ if (beginning_only) {
+ if (matched_string2)
+ return RE2::Consume(&utf8_input_,
+ RE2Cache::ScopedAccess(re2_cache.get(), reg_exp),
+ matched_string1, matched_string2);
+ else if (matched_string1)
+ return RE2::Consume(&utf8_input_,
+ RE2Cache::ScopedAccess(re2_cache.get(), reg_exp),
+ matched_string1);
+ else
+ return RE2::Consume(&utf8_input_,
+ RE2Cache::ScopedAccess(re2_cache.get(), reg_exp));
+ } else {
+ if (matched_string2)
+ return RE2::FindAndConsume(&utf8_input_,
+ RE2Cache::ScopedAccess(re2_cache.get(),
+ reg_exp),
+ matched_string1, matched_string2);
+ else if (matched_string1)
+ return RE2::FindAndConsume(&utf8_input_,
+ RE2Cache::ScopedAccess(re2_cache.get(),
+ reg_exp),
+ matched_string1);
+ else
+ return RE2::FindAndConsume(&utf8_input_,
+ RE2Cache::ScopedAccess(re2_cache.get(),
+ reg_exp));
+ }
+}
+
+std::string RE2RegularExpressionInput::ToString() const {
+ utf8_input_.ToString();
+}
+
+RE2RegularExpression::RE2RegularExpression(const char* utf8_regexp)
+ : utf8_regexp_(utf8_regexp) {
+ DCHECK(utf8_regexp);
+}
+
+bool RE2RegularExpression::Consume(RegularExpressionInput* input_string,
+ bool beginning_only,
+ std::string* matched_string1,
+ std::string* matched_string2,
+ std::string* matched_string3) const {
+ DCHECK(input_string);
+ // matched_string1 may be NULL
+ // matched_string2 may be NULL
+ if (beginning_only) {
+ if (matched_string3) {
+ return RE2::Consume(input_string, utf8_regexp_,
+ matched_string1, matched_string2, matched_string3);
+ } else if (matched_string2) {
+ return RE2::Consume(input_string, utf8_regexp_,
+ matched_string1, matched_string2);
+ } else if (matched_string1) {
+ return RE2::Consume(input_string, utf8_regexp_, matched_string1);
+ } else {
+ return RE2::Consume(input_string, utf8_regexp_);
+ }
+ } else {
+ if (matched_string3) {
+ return RE2::FindAndConsume(input_string, utf8_regexp_,
+ matched_string1, matched_string2,
+ matched_string3);
+ } else if (matched_string2) {
+ return RE2::FindAndConsume(input_string, utf8_regexp_,
+ matched_string1, matched_string2);
+ } else if (matched_string1) {
+ return RE2::FindAndConsume(input_string, utf8_regexp_, matched_string1);
+ } else {
+ return RE2::FindAndConsume(input_string, utf8_regexp_);
+ }
+ }
+}
+
+bool RE2RegularExpression::Match(const char* input_string,
+ bool full_match,
+ std::string* matched_string) const {
+ DCHECK(input_string);
+ // matched_string may be NULL
+ if (full_match) {
+ if (matched_string)
+ return RE2::FullMatch(input_string, matched_string);
+ else
+ return RE2::FullMatch(input_string);
+ } else {
+ if (matched_string)
+ return RE2::PartialMatch(input_string, matched_string);
+ else
+ return RE2::PartialMatch(input_string);
+ }
+}
+
+bool RE2RegularExpression::Replace(std::string* string_to_process,
+ bool global,
+ const char* replacement_string) const {
+ DCHECK(string_to_process);
+ DCHECK(replacement_string);
+ if (global) {
+ StringPiece str(replacement_string);
+ return RE2::GlobalReplace(string_to_process, str);
+ } else {
+ return RE2::Replace(string_to_process, replacement_string);
+ }
+}
+
+
+namespace reg_exp {
+
+RegularExpressionInput* CreateRegularExpressionInput(const char* utf8_input) {
+ if (!re2_cache.get())
+ re2_cache.reset(new RE2Cache(64));
+ return new RE2RegularExpressionInput(utf8_input);
+}
+
+RegularExpression* CreateRegularExpression(const char* utf8_regexp) {
+ if (!re2_cache.get())
+ re2_cache.reset(new RE2Cache(64));
+ return new RE2RegularExpression(utf8_regexp);
+}
+
+} // namespace reg_exp
+
Property changes on: third_party\libphonenumber\cpp\src\regexp_adapter_re2.cc
___________________________________________________________________
Added: svn:eol-style
+ LF
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