Move base to DEPS

base/vlog.cc

-// 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