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authoraozeritsky <aozeritsky@yandex-team.ru>2022-02-10 16:46:39 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:46:39 +0300
commit4a6816dea1bcaee46ce29a51a5fd7d3495012858 (patch)
treed98d6003e190b9e761bd77a83cd98428f9657b35 /contrib/libs/pcre/pcre_scanner.cc
parent7aa4cf700385ff96999c5cc301171ff157974773 (diff)
downloadydb-4a6816dea1bcaee46ce29a51a5fd7d3495012858.tar.gz
Restoring authorship annotation for <aozeritsky@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/pcre/pcre_scanner.cc')
-rw-r--r--contrib/libs/pcre/pcre_scanner.cc396
1 files changed, 198 insertions, 198 deletions
diff --git a/contrib/libs/pcre/pcre_scanner.cc b/contrib/libs/pcre/pcre_scanner.cc
index 30400294d2..3715dc161f 100644
--- a/contrib/libs/pcre/pcre_scanner.cc
+++ b/contrib/libs/pcre/pcre_scanner.cc
@@ -1,199 +1,199 @@
-// Copyright (c) 2005, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Author: Sanjay Ghemawat
-
-#ifdef HAVE_CONFIG_H
+// Copyright (c) 2005, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Author: Sanjay Ghemawat
+
+#ifdef HAVE_CONFIG_H
#include "pcre_config.h"
-#endif
-
-#include <vector>
-#include <assert.h>
-
-#include "pcrecpp_internal.h"
-#include "pcre_scanner.h"
-
-using std::vector;
-
-namespace pcrecpp {
-
-Scanner::Scanner()
- : data_(),
- input_(data_),
- skip_(NULL),
- should_skip_(false),
- skip_repeat_(false),
- save_comments_(false),
- comments_(NULL),
- comments_offset_(0) {
-}
-
-Scanner::Scanner(const string& in)
- : data_(in),
- input_(data_),
- skip_(NULL),
- should_skip_(false),
- skip_repeat_(false),
- save_comments_(false),
- comments_(NULL),
- comments_offset_(0) {
-}
-
-Scanner::~Scanner() {
- delete skip_;
- delete comments_;
-}
-
-void Scanner::SetSkipExpression(const char* re) {
- delete skip_;
- if (re != NULL) {
- skip_ = new RE(re);
- should_skip_ = true;
- skip_repeat_ = true;
- ConsumeSkip();
- } else {
- skip_ = NULL;
- should_skip_ = false;
- skip_repeat_ = false;
- }
-}
-
-void Scanner::Skip(const char* re) {
- delete skip_;
- if (re != NULL) {
- skip_ = new RE(re);
- should_skip_ = true;
- skip_repeat_ = false;
- ConsumeSkip();
- } else {
- skip_ = NULL;
- should_skip_ = false;
- skip_repeat_ = false;
- }
-}
-
-void Scanner::DisableSkip() {
- assert(skip_ != NULL);
- should_skip_ = false;
-}
-
-void Scanner::EnableSkip() {
- assert(skip_ != NULL);
- should_skip_ = true;
- ConsumeSkip();
-}
-
-int Scanner::LineNumber() const {
- // TODO: Make it more efficient by keeping track of the last point
- // where we computed line numbers and counting newlines since then.
- // We could use std:count, but not all systems have it. :-(
- int count = 1;
- for (const char* p = data_.data(); p < input_.data(); ++p)
- if (*p == '\n')
- ++count;
- return count;
-}
-
-int Scanner::Offset() const {
- return (int)(input_.data() - data_.c_str());
-}
-
-bool Scanner::LookingAt(const RE& re) const {
- int consumed;
- return re.DoMatch(input_, RE::ANCHOR_START, &consumed, 0, 0);
-}
-
-
-bool Scanner::Consume(const RE& re,
- const Arg& arg0,
- const Arg& arg1,
- const Arg& arg2) {
- const bool result = re.Consume(&input_, arg0, arg1, arg2);
- if (result && should_skip_) ConsumeSkip();
- return result;
-}
-
-// helper function to consume *skip_ and honour save_comments_
-void Scanner::ConsumeSkip() {
- const char* start_data = input_.data();
- while (skip_->Consume(&input_)) {
- if (!skip_repeat_) {
- // Only one skip allowed.
- break;
- }
- }
- if (save_comments_) {
- if (comments_ == NULL) {
- comments_ = new vector<StringPiece>;
- }
- // already pointing one past end, so no need to +1
- int length = (int)(input_.data() - start_data);
- if (length > 0) {
- comments_->push_back(StringPiece(start_data, length));
- }
- }
-}
-
-
-void Scanner::GetComments(int start, int end, vector<StringPiece> *ranges) {
- // short circuit out if we've not yet initialized comments_
- // (e.g., when save_comments is false)
- if (!comments_) {
- return;
- }
- // TODO: if we guarantee that comments_ will contain StringPieces
- // that are ordered by their start, then we can do a binary search
- // for the first StringPiece at or past start and then scan for the
- // ones contained in the range, quit early (use equal_range or
- // lower_bound)
- for (vector<StringPiece>::const_iterator it = comments_->begin();
- it != comments_->end(); ++it) {
- if ((it->data() >= data_.c_str() + start &&
- it->data() + it->size() <= data_.c_str() + end)) {
- ranges->push_back(*it);
- }
- }
-}
-
-
-void Scanner::GetNextComments(vector<StringPiece> *ranges) {
- // short circuit out if we've not yet initialized comments_
- // (e.g., when save_comments is false)
- if (!comments_) {
- return;
- }
- for (vector<StringPiece>::const_iterator it =
- comments_->begin() + comments_offset_;
- it != comments_->end(); ++it) {
- ranges->push_back(*it);
- ++comments_offset_;
- }
-}
-
-} // namespace pcrecpp
+#endif
+
+#include <vector>
+#include <assert.h>
+
+#include "pcrecpp_internal.h"
+#include "pcre_scanner.h"
+
+using std::vector;
+
+namespace pcrecpp {
+
+Scanner::Scanner()
+ : data_(),
+ input_(data_),
+ skip_(NULL),
+ should_skip_(false),
+ skip_repeat_(false),
+ save_comments_(false),
+ comments_(NULL),
+ comments_offset_(0) {
+}
+
+Scanner::Scanner(const string& in)
+ : data_(in),
+ input_(data_),
+ skip_(NULL),
+ should_skip_(false),
+ skip_repeat_(false),
+ save_comments_(false),
+ comments_(NULL),
+ comments_offset_(0) {
+}
+
+Scanner::~Scanner() {
+ delete skip_;
+ delete comments_;
+}
+
+void Scanner::SetSkipExpression(const char* re) {
+ delete skip_;
+ if (re != NULL) {
+ skip_ = new RE(re);
+ should_skip_ = true;
+ skip_repeat_ = true;
+ ConsumeSkip();
+ } else {
+ skip_ = NULL;
+ should_skip_ = false;
+ skip_repeat_ = false;
+ }
+}
+
+void Scanner::Skip(const char* re) {
+ delete skip_;
+ if (re != NULL) {
+ skip_ = new RE(re);
+ should_skip_ = true;
+ skip_repeat_ = false;
+ ConsumeSkip();
+ } else {
+ skip_ = NULL;
+ should_skip_ = false;
+ skip_repeat_ = false;
+ }
+}
+
+void Scanner::DisableSkip() {
+ assert(skip_ != NULL);
+ should_skip_ = false;
+}
+
+void Scanner::EnableSkip() {
+ assert(skip_ != NULL);
+ should_skip_ = true;
+ ConsumeSkip();
+}
+
+int Scanner::LineNumber() const {
+ // TODO: Make it more efficient by keeping track of the last point
+ // where we computed line numbers and counting newlines since then.
+ // We could use std:count, but not all systems have it. :-(
+ int count = 1;
+ for (const char* p = data_.data(); p < input_.data(); ++p)
+ if (*p == '\n')
+ ++count;
+ return count;
+}
+
+int Scanner::Offset() const {
+ return (int)(input_.data() - data_.c_str());
+}
+
+bool Scanner::LookingAt(const RE& re) const {
+ int consumed;
+ return re.DoMatch(input_, RE::ANCHOR_START, &consumed, 0, 0);
+}
+
+
+bool Scanner::Consume(const RE& re,
+ const Arg& arg0,
+ const Arg& arg1,
+ const Arg& arg2) {
+ const bool result = re.Consume(&input_, arg0, arg1, arg2);
+ if (result && should_skip_) ConsumeSkip();
+ return result;
+}
+
+// helper function to consume *skip_ and honour save_comments_
+void Scanner::ConsumeSkip() {
+ const char* start_data = input_.data();
+ while (skip_->Consume(&input_)) {
+ if (!skip_repeat_) {
+ // Only one skip allowed.
+ break;
+ }
+ }
+ if (save_comments_) {
+ if (comments_ == NULL) {
+ comments_ = new vector<StringPiece>;
+ }
+ // already pointing one past end, so no need to +1
+ int length = (int)(input_.data() - start_data);
+ if (length > 0) {
+ comments_->push_back(StringPiece(start_data, length));
+ }
+ }
+}
+
+
+void Scanner::GetComments(int start, int end, vector<StringPiece> *ranges) {
+ // short circuit out if we've not yet initialized comments_
+ // (e.g., when save_comments is false)
+ if (!comments_) {
+ return;
+ }
+ // TODO: if we guarantee that comments_ will contain StringPieces
+ // that are ordered by their start, then we can do a binary search
+ // for the first StringPiece at or past start and then scan for the
+ // ones contained in the range, quit early (use equal_range or
+ // lower_bound)
+ for (vector<StringPiece>::const_iterator it = comments_->begin();
+ it != comments_->end(); ++it) {
+ if ((it->data() >= data_.c_str() + start &&
+ it->data() + it->size() <= data_.c_str() + end)) {
+ ranges->push_back(*it);
+ }
+ }
+}
+
+
+void Scanner::GetNextComments(vector<StringPiece> *ranges) {
+ // short circuit out if we've not yet initialized comments_
+ // (e.g., when save_comments is false)
+ if (!comments_) {
+ return;
+ }
+ for (vector<StringPiece>::const_iterator it =
+ comments_->begin() + comments_offset_;
+ it != comments_->end(); ++it) {
+ ranges->push_back(*it);
+ ++comments_offset_;
+ }
+}
+
+} // namespace pcrecpp