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Unified Diff: base/vlog.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/vlog.cc
diff --git a/base/vlog.cc b/base/vlog.cc
deleted file mode 100644
index 519ceff10c012455b18cd1e891e9590c969ad1ad..0000000000000000000000000000000000000000
--- a/base/vlog.cc
+++ /dev/null
@@ -1,180 +0,0 @@
-// Copyright (c) 2010 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/vlog.h"
-
-#include <cstddef>
-#include <ostream>
-#include <utility>
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-
-namespace logging {
-
-const int VlogInfo::kDefaultVlogLevel = 0;
-
-struct VlogInfo::VmodulePattern {
- enum MatchTarget { MATCH_MODULE, MATCH_FILE };
-
- explicit VmodulePattern(const std::string& pattern);
-
- VmodulePattern();
-
- std::string pattern;
- int vlog_level;
- MatchTarget match_target;
-};
-
-VlogInfo::VmodulePattern::VmodulePattern(const std::string& pattern)
- : pattern(pattern),
- vlog_level(VlogInfo::kDefaultVlogLevel),
- match_target(MATCH_MODULE) {
- // If the pattern contains a {forward,back} slash, we assume that
- // it's meant to be tested against the entire __FILE__ string.
- std::string::size_type first_slash = pattern.find_first_of("\\/");
- if (first_slash != std::string::npos)
- match_target = MATCH_FILE;
-}
-
-VlogInfo::VmodulePattern::VmodulePattern()
- : vlog_level(VlogInfo::kDefaultVlogLevel),
- match_target(MATCH_MODULE) {}
-
-VlogInfo::VlogInfo(const std::string& v_switch,
- const std::string& vmodule_switch,
- int* min_log_level)
- : min_log_level_(min_log_level) {
- DCHECK(min_log_level != NULL);
-
- int vlog_level = 0;
- if (!v_switch.empty()) {
- if (base::StringToInt(v_switch, &vlog_level)) {
- SetMaxVlogLevel(vlog_level);
- } else {
- DLOG(WARNING) << "Could not parse v switch \"" << v_switch << "\"";
- }
- }
-
- base::StringPairs kv_pairs;
- if (!base::SplitStringIntoKeyValuePairs(
- vmodule_switch, '=', ',', &kv_pairs)) {
- DLOG(WARNING) << "Could not fully parse vmodule switch \""
- << vmodule_switch << "\"";
- }
- for (base::StringPairs::const_iterator it = kv_pairs.begin();
- it != kv_pairs.end(); ++it) {
- VmodulePattern pattern(it->first);
- if (!base::StringToInt(it->second, &pattern.vlog_level)) {
- DLOG(WARNING) << "Parsed vlog level for \""
- << it->first << "=" << it->second
- << "\" as " << pattern.vlog_level;
- }
- vmodule_levels_.push_back(pattern);
- }
-}
-
-VlogInfo::~VlogInfo() {}
-
-namespace {
-
-// Given a path, returns the basename with the extension chopped off
-// (and any -inl suffix). We avoid using FilePath to minimize the
-// number of dependencies the logging system has.
-base::StringPiece GetModule(const base::StringPiece& file) {
- base::StringPiece module(file);
- base::StringPiece::size_type last_slash_pos =
- module.find_last_of("\\/");
- if (last_slash_pos != base::StringPiece::npos)
- module.remove_prefix(last_slash_pos + 1);
- base::StringPiece::size_type extension_start = module.rfind('.');
- module = module.substr(0, extension_start);
- static const char kInlSuffix[] = "-inl";
- static const int kInlSuffixLen = arraysize(kInlSuffix) - 1;
- if (module.ends_with(kInlSuffix))
- module.remove_suffix(kInlSuffixLen);
- return module;
-}
-
-} // namespace
-
-int VlogInfo::GetVlogLevel(const base::StringPiece& file) const {
- if (!vmodule_levels_.empty()) {
- base::StringPiece module(GetModule(file));
- for (std::vector<VmodulePattern>::const_iterator it =
- vmodule_levels_.begin(); it != vmodule_levels_.end(); ++it) {
- base::StringPiece target(
- (it->match_target == VmodulePattern::MATCH_FILE) ? file : module);
- if (MatchVlogPattern(target, it->pattern))
- return it->vlog_level;
- }
- }
- return GetMaxVlogLevel();
-}
-
-void VlogInfo::SetMaxVlogLevel(int level) {
- // Log severity is the negative verbosity.
- *min_log_level_ = -level;
-}
-
-int VlogInfo::GetMaxVlogLevel() const {
- return -*min_log_level_;
-}
-
-bool MatchVlogPattern(const base::StringPiece& string,
- const base::StringPiece& vlog_pattern) {
- base::StringPiece p(vlog_pattern);
- base::StringPiece s(string);
- // Consume characters until the next star.
- while (!p.empty() && !s.empty() && (p[0] != '*')) {
- switch (p[0]) {
- // A slash (forward or back) must match a slash (forward or back).
- case '/':
- case '\\':
- if ((s[0] != '/') && (s[0] != '\\'))
- return false;
- break;
-
- // A '?' matches anything.
- case '?':
- break;
-
- // Anything else must match literally.
- default:
- if (p[0] != s[0])
- return false;
- break;
- }
- p.remove_prefix(1), s.remove_prefix(1);
- }
-
- // An empty pattern here matches only an empty string.
- if (p.empty())
- return s.empty();
-
- // Coalesce runs of consecutive stars. There should be at least
- // one.
- while (!p.empty() && (p[0] == '*'))
- p.remove_prefix(1);
-
- // Since we moved past the stars, an empty pattern here matches
- // anything.
- if (p.empty())
- return true;
-
- // Since we moved past the stars and p is non-empty, if some
- // non-empty substring of s matches p, then we ourselves match.
- while (!s.empty()) {
- if (MatchVlogPattern(s, p))
- return true;
- s.remove_prefix(1);
- }
-
- // Otherwise, we couldn't find a match.
- return false;
-}
-
-} // namespace logging
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