| Index: chrome/tools/profile_reset/jtl_parser.cc
|
| diff --git a/chrome/tools/profile_reset/jtl_parser.cc b/chrome/tools/profile_reset/jtl_parser.cc
|
| deleted file mode 100644
|
| index c1d9c157b956d3d9b2e68b2ba0ea41f42ef2a9f3..0000000000000000000000000000000000000000
|
| --- a/chrome/tools/profile_reset/jtl_parser.cc
|
| +++ /dev/null
|
| @@ -1,167 +0,0 @@
|
| -// Copyright 2013 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 "chrome/tools/profile_reset/jtl_parser.h"
|
| -
|
| -#include <algorithm>
|
| -
|
| -#include "base/logging.h"
|
| -#include "third_party/re2/re2/re2.h"
|
| -
|
| -namespace {
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| -
|
| -// RegEx that matches the first line of a text. Will throw away any potential
|
| -// double-slash-introduced comments and the potential trailing EOL character.
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| -// Note: will fail in case the first line contains an unmatched double-quote
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| -// outside of comments.
|
| -const char kSingleLineWithMaybeCommentsRE[] =
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| - // Non-greedily match and capture sequences of 1.) string literals inside
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| - // correctly matched double-quotes, or 2.) any other character.
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| - "^((?:\"[^\"\\n]*\"|[^\"\\n])*?)"
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| - // Greedily match and throw away the potential comment.
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| - "(?://.*)?"
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| - // Match and throw away EOL, or match end-of-string.
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| - "(?:\n|$)";
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| -
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| -// RegEx to match either a double-quote-enclosed string literal or a whitespace.
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| -// Applied repeatedly and without overlapping, can be used to remove whitespace
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| -// outside of string literals.
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| -const char kRemoveWhitespaceRE[] = "(\"[^\"]*\")|\\s";
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| -
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| -// The substitution pattern to use together with the above when replacing. As
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| -// the whitespace is not back-referenced here, it will get removed.
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| -const char kRemoveWhitespaceRewrite[] = "\\1";
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| -
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| -// Separator to terminate a sentence.
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| -const char kEndOfSentenceSeparator[] = ";";
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| -
|
| -// The 'true' Boolean keyword.
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| -const char kTrueKeyword[] = "true";
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| -
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| -// RegEx that matches and captures one argument, which is either a double-quote
|
| -// enclosed string, or a Boolean value. Will throw away a trailing comma.
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| -const char kSingleArgumentRE[] = "(?:(?:\"([^\"]*)\"|(true|false))(?:,|$))";
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| -
|
| -// RegEx-es that, when concatenated, will match a single operation, and capture
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| -// the: operation name, the optional arguments, and the separator that follows.
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| -const char kOperationNameRE[] = "([[:word:]]+)";
|
| -const char kMaybeArgumentListRE[] =
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| - "(?:\\(" // Opening parenthesis.
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| - "((?:\"[^\"]*\"|[^\")])*)" // Capture: anything inside, quote-aware.
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| - "\\))?"; // Closing parenthesis + everything optional.
|
| -const char kOperationSeparatorRE[] = "(;|\\.)";
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| -
|
| -} // namespace
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| -
|
| -struct JtlParser::ParsingState {
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| - explicit ParsingState(const re2::StringPiece& compacted_source)
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| - : single_operation_regex(std::string(kOperationNameRE) +
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| - kMaybeArgumentListRE +
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| - kOperationSeparatorRE),
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| - single_argument_regex(kSingleArgumentRE),
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| - remaining_compacted_source(compacted_source),
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| - last_line_number(0) {}
|
| -
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| - RE2 single_operation_regex;
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| - RE2 single_argument_regex;
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| - re2::StringPiece remaining_compacted_source;
|
| - re2::StringPiece last_context;
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| - size_t last_line_number;
|
| -};
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| -
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| -JtlParser::JtlParser(const std::string& compacted_source_code,
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| - const std::vector<size_t>& newline_indices)
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| - : compacted_source_(compacted_source_code),
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| - newline_indices_(newline_indices) {
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| - state_.reset(new ParsingState(compacted_source_));
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| -}
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| -
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| -JtlParser::~JtlParser() {}
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| -
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| -// static
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| -bool JtlParser::RemoveCommentsAndAllWhitespace(
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| - const std::string& verbose_text,
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| - std::string* compacted_text,
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| - std::vector<size_t>* newline_indices,
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| - size_t* error_line_number) {
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| - DCHECK(compacted_text);
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| - DCHECK(newline_indices);
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| - std::string line;
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| - RE2 single_line_regex(kSingleLineWithMaybeCommentsRE);
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| - RE2 remove_whitespace_regex(kRemoveWhitespaceRE);
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| - re2::StringPiece verbose_text_piece(verbose_text);
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| - compacted_text->clear();
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| - newline_indices->clear();
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| - while (!verbose_text_piece.empty()) {
|
| - if (!RE2::Consume(&verbose_text_piece, single_line_regex, &line)) {
|
| - if (error_line_number)
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| - *error_line_number = newline_indices->size();
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| - return false;
|
| - }
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| - RE2::GlobalReplace(
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| - &line, remove_whitespace_regex, kRemoveWhitespaceRewrite);
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| - *compacted_text += line;
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| - newline_indices->push_back(compacted_text->size());
|
| - }
|
| - return true;
|
| -}
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| -
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| -bool JtlParser::HasFinished() {
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| - return state_->remaining_compacted_source.empty();
|
| -}
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| -
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| -bool JtlParser::ParseNextOperation(std::string* name,
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| - base::ListValue* argument_list,
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| - bool* ends_sentence) {
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| - DCHECK(name);
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| - DCHECK(argument_list);
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| - DCHECK(ends_sentence);
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| -
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| - state_->last_context = state_->remaining_compacted_source;
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| - state_->last_line_number = GetOriginalLineNumber(
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| - compacted_source_.size() - state_->remaining_compacted_source.length());
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| -
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| - std::string arguments, separator;
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| - if (!RE2::Consume(&state_->remaining_compacted_source,
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| - state_->single_operation_regex,
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| - name,
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| - &arguments,
|
| - &separator))
|
| - return false;
|
| -
|
| - *ends_sentence = (separator == kEndOfSentenceSeparator);
|
| - state_->last_context.remove_suffix(state_->remaining_compacted_source.size());
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| -
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| - re2::StringPiece arguments_piece(arguments);
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| - std::string string_value, boolean_value;
|
| - while (!arguments_piece.empty()) {
|
| - if (!RE2::Consume(&arguments_piece,
|
| - state_->single_argument_regex,
|
| - &string_value,
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| - &boolean_value))
|
| - return false;
|
| -
|
| - if (!boolean_value.empty()) {
|
| - argument_list->Append(
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| - new base::FundamentalValue(boolean_value == kTrueKeyword));
|
| - } else {
|
| - // |string_value| might be empty for an empty string
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| - argument_list->Append(new base::StringValue(string_value));
|
| - }
|
| - }
|
| - return true;
|
| -}
|
| -
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| -size_t JtlParser::GetOriginalLineNumber(size_t compacted_index) const {
|
| - return static_cast<size_t>(std::upper_bound(newline_indices_.begin(),
|
| - newline_indices_.end(),
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| - compacted_index) -
|
| - newline_indices_.begin());
|
| -}
|
| -
|
| -size_t JtlParser::GetLastLineNumber() const { return state_->last_line_number; }
|
| -
|
| -std::string JtlParser::GetLastContext() const {
|
| - return state_->last_context.ToString();
|
| -}
|
|
|