Clang format slam.

net/base/registry_controlled_domains/registry_controlled_domain.cc

 // Copyright (c) 2012 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.
 
 // NB: Modelled after Mozilla's code (originally written by Pamela Greene,
 // later modified by others), but almost entirely rewritten for Chrome.
 //   (netwerk/dns/src/nsEffectiveTLDService.cpp)
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
@@ skipping 56 matching lines @@
 const FindDomainPtr kDefaultFindDomainFunction = Perfect_Hash::FindDomain;
 
 // 'stringpool' is defined as a macro by the gperf-generated
 // "effective_tld_names.cc". Provide a real constant value for it instead.
 const char* const kDefaultStringPool = stringpool;
 #undef stringpool
 
 FindDomainPtr g_find_domain_function = kDefaultFindDomainFunction;
 const char* g_stringpool = kDefaultStringPool;
 
-size_t GetRegistryLengthImpl(
-    const std::string& host,
-    UnknownRegistryFilter unknown_filter,
-    PrivateRegistryFilter private_filter) {
+size_t GetRegistryLengthImpl(const std::string& host,
+                             UnknownRegistryFilter unknown_filter,
+                             PrivateRegistryFilter private_filter) {
   DCHECK(!host.empty());
 
   // Skip leading dots.
   const size_t host_check_begin = host.find_first_not_of('.');
   if (host_check_begin == std::string::npos)
     return 0;  // Host is only dots.
 
   // A single trailing dot isn't relevant in this determination, but does need
   // to be included in the final returned length.
   size_t host_check_len = host.length();
   if (host[host_check_len - 1] == '.') {
     --host_check_len;
     DCHECK(host_check_len > 0);  // If this weren't true, the host would be ".",
                                  // and we'd have already returned above.
     if (host[host_check_len - 1] == '.')
       return 0;  // Multiple trailing dots.
   }
 
   // Walk up the domain tree, most specific to least specific,
   // looking for matches at each level.
   size_t prev_start = std::string::npos;
   size_t curr_start = host_check_begin;
   size_t next_dot = host.find('.', curr_start);
   if (next_dot >= host_check_len)  // Catches std::string::npos as well.
-    return 0;  // This can't have a registry + domain.
+    return 0;                      // This can't have a registry + domain.
   while (1) {
     const char* domain_str = host.data() + curr_start;
     int domain_length = host_check_len - curr_start;
     const DomainRule* rule = g_find_domain_function(domain_str, domain_length);
 
     // We need to compare the string after finding a match because the
     // no-collisions of perfect hashing only refers to items in the set.  Since
     // we're searching for arbitrary domains, there could be collisions.
     // Furthermore, if the apparent match is a private registry and we're not
     // including those, it can't be an actual match.
     if (rule) {
       bool do_check = !(rule->type & kPrivateRule) ||
                       private_filter == INCLUDE_PRIVATE_REGISTRIES;
-      if (do_check && base::strncasecmp(domain_str,
-                                        g_stringpool + rule->name_offset,
-                                        domain_length) == 0) {
+      if (do_check &&
+          base::strncasecmp(domain_str,
+                            g_stringpool + rule->name_offset,
+                            domain_length) == 0) {
         // Exception rules override wildcard rules when the domain is an exact
         // match, but wildcards take precedence when there's a subdomain.
         if (rule->type & kWildcardRule && (prev_start != std::string::npos)) {
           // If prev_start == host_check_begin, then the host is the registry
           // itself, so return 0.
-          return (prev_start == host_check_begin) ?
-              0 : (host.length() - prev_start);
+          return (prev_start == host_check_begin)
+                     ? 0
+                     : (host.length() - prev_start);
         }
 
         if (rule->type & kExceptionRule) {
           if (next_dot == std::string::npos) {
             // If we get here, we had an exception rule with no dots (e.g.
             // "!foo").  This would only be valid if we had a corresponding
             // wildcard rule, which would have to be "*".  But we explicitly
             // disallow that case, so this kind of rule is invalid.
             NOTREACHED() << "Invalid exception rule";
             return 0;
           }
           return host.length() - next_dot - 1;
         }
 
         // If curr_start == host_check_begin, then the host is the registry
         // itself, so return 0.
-        return (curr_start == host_check_begin) ?
-            0 : (host.length() - curr_start);
+        return (curr_start == host_check_begin) ? 0
+                                                : (host.length() - curr_start);
       }
     }
 
     if (next_dot >= host_check_len)  // Catches std::string::npos as well.
       break;
 
     prev_start = curr_start;
     curr_start = next_dot + 1;
     next_dot = host.find('.', curr_start);
   }
 
   // No rule found in the registry.  curr_start now points to the first
   // character of the last subcomponent of the host, so if we allow unknown
   // registries, return the length of this subcomponent.
-  return unknown_filter == INCLUDE_UNKNOWN_REGISTRIES ?
-      (host.length() - curr_start) : 0;
+  return unknown_filter == INCLUDE_UNKNOWN_REGISTRIES
+             ? (host.length() - curr_start)
+             : 0;
 }
 
-std::string GetDomainAndRegistryImpl(
-    const std::string& host, PrivateRegistryFilter private_filter) {
+std::string GetDomainAndRegistryImpl(const std::string& host,
+                                     PrivateRegistryFilter private_filter) {
   DCHECK(!host.empty());
 
   // Find the length of the registry for this host.
   const size_t registry_length =
       GetRegistryLengthImpl(host, INCLUDE_UNKNOWN_REGISTRIES, private_filter);
   if ((registry_length == std::string::npos) || (registry_length == 0))
     return std::string();  // No registry.
   // The "2" in this next line is 1 for the dot, plus a 1-char minimum preceding
   // subcomponent length.
   DCHECK(host.length() >= 2);
   if (registry_length > (host.length() - 2)) {
-    NOTREACHED() <<
-        "Host does not have at least one subcomponent before registry!";
+    NOTREACHED()
+        << "Host does not have at least one subcomponent before registry!";
     return std::string();
   }
 
   // Move past the dot preceding the registry, and search for the next previous
   // dot.  Return the host from after that dot, or the whole host when there is
   // no dot.
   const size_t dot = host.rfind('.', host.length() - registry_length - 2);
   if (dot == std::string::npos)
     return host;
   return host.substr(dot + 1);
 }
 
 }  // namespace
 
-std::string GetDomainAndRegistry(
-    const GURL& gurl,
-    PrivateRegistryFilter filter) {
+std::string GetDomainAndRegistry(const GURL& gurl,
+                                 PrivateRegistryFilter filter) {
   const url::Component host = gurl.parsed_for_possibly_invalid_spec().host;
   if ((host.len <= 0) || gurl.HostIsIPAddress())
     return std::string();
-  return GetDomainAndRegistryImpl(std::string(
-      gurl.possibly_invalid_spec().data() + host.begin, host.len), filter);
+  return GetDomainAndRegistryImpl(
+      std::string(gurl.possibly_invalid_spec().data() + host.begin, host.len),
+      filter);
 }
 
-std::string GetDomainAndRegistry(
-    const std::string& host,
-    PrivateRegistryFilter filter) {
+std::string GetDomainAndRegistry(const std::string& host,
+                                 PrivateRegistryFilter filter) {
   url::CanonHostInfo host_info;
   const std::string canon_host(CanonicalizeHost(host, &host_info));
   if (canon_host.empty() || host_info.IsIPAddress())
     return std::string();
   return GetDomainAndRegistryImpl(canon_host, filter);
 }
 
-bool SameDomainOrHost(
-    const GURL& gurl1,
-    const GURL& gurl2,
-    PrivateRegistryFilter filter) {
+bool SameDomainOrHost(const GURL& gurl1,
+                      const GURL& gurl2,
+                      PrivateRegistryFilter filter) {
   // See if both URLs have a known domain + registry, and those values are the
   // same.
   const std::string domain1(GetDomainAndRegistry(gurl1, filter));
   const std::string domain2(GetDomainAndRegistry(gurl2, filter));
   if (!domain1.empty() || !domain2.empty())
     return domain1 == domain2;
 
   // No domains.  See if the hosts are identical.
   const url::Component host1 = gurl1.parsed_for_possibly_invalid_spec().host;
   const url::Component host2 = gurl2.parsed_for_possibly_invalid_spec().host;
   if ((host1.len <= 0) || (host1.len != host2.len))
     return false;
   return !strncmp(gurl1.possibly_invalid_spec().data() + host1.begin,
                   gurl2.possibly_invalid_spec().data() + host2.begin,
                   host1.len);
 }
 
-size_t GetRegistryLength(
-    const GURL& gurl,
-    UnknownRegistryFilter unknown_filter,
-    PrivateRegistryFilter private_filter) {
+size_t GetRegistryLength(const GURL& gurl,
+                         UnknownRegistryFilter unknown_filter,
+                         PrivateRegistryFilter private_filter) {
   const url::Component host = gurl.parsed_for_possibly_invalid_spec().host;
   if (host.len <= 0)
     return std::string::npos;
   if (gurl.HostIsIPAddress())
     return 0;
   return GetRegistryLengthImpl(
       std::string(gurl.possibly_invalid_spec().data() + host.begin, host.len),
       unknown_filter,
       private_filter);
 }
 
-size_t GetRegistryLength(
-    const std::string& host,
-    UnknownRegistryFilter unknown_filter,
-    PrivateRegistryFilter private_filter) {
+size_t GetRegistryLength(const std::string& host,
+                         UnknownRegistryFilter unknown_filter,
+                         PrivateRegistryFilter private_filter) {
   url::CanonHostInfo host_info;
   const std::string canon_host(CanonicalizeHost(host, &host_info));
   if (canon_host.empty())
     return std::string::npos;
   if (host_info.IsIPAddress())
     return 0;
   return GetRegistryLengthImpl(canon_host, unknown_filter, private_filter);
 }
 
 void SetFindDomainFunctionAndStringPoolForTesting(FindDomainPtr function,
                                                   const char* stringpool) {
   g_find_domain_function = function ? function : kDefaultFindDomainFunction;
   g_stringpool = stringpool ? stringpool : kDefaultStringPool;
 }
 
 }  // namespace registry_controlled_domains
 }  // namespace net