Clean content_settings_pattern_parser.* from unnecessary dependencies.

chrome/common/content_settings_pattern.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.
 
 #include "chrome/common/content_settings_pattern.h"
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
 #include "chrome/common/content_settings_pattern_parser.h"
 #include "chrome/common/render_messages.h"
-#include "chrome/common/url_constants.h"
 #include "extensions/common/constants.h"
-#include "ipc/ipc_message_utils.h"
 #include "net/base/dns_util.h"
 #include "net/base/net_util.h"
 #include "url/gurl.h"
-#include "url/url_canon.h"
 
 namespace {
 
 std::string GetDefaultPort(const std::string& scheme) {
   if (scheme == url::kHttpScheme)
     return "80";
   if (scheme == url::kHttpsScheme)
     return "443";
   return std::string();
 }
@@ skipping 47 matching lines @@
   return 0;
 }
 
 typedef ContentSettingsPattern::BuilderInterface BuilderInterface;
 
 }  // namespace
 
 // ////////////////////////////////////////////////////////////////////////////
 // ContentSettingsPattern::Builder
 //
+class ContentSettingsPattern::Builder :
+    public ContentSettingsPattern::BuilderInterface {
+ public:
+  explicit Builder(bool use_legacy_validate);
+  virtual ~Builder();
+
+  // BuilderInterface:
+  virtual BuilderInterface* WithPort(const std::string& port) OVERRIDE;
+  virtual BuilderInterface* WithPortWildcard() OVERRIDE;
+  virtual BuilderInterface* WithHost(const std::string& host) OVERRIDE;
+  virtual BuilderInterface* WithDomainWildcard() OVERRIDE;
+  virtual BuilderInterface* WithScheme(const std::string& scheme) OVERRIDE;
+  virtual BuilderInterface* WithSchemeWildcard() OVERRIDE;
+  virtual BuilderInterface* WithPath(const std::string& path) OVERRIDE;
+  virtual BuilderInterface* WithPathWildcard() OVERRIDE;
+  virtual BuilderInterface* Invalid() OVERRIDE;
+  virtual ContentSettingsPattern Build() OVERRIDE;
+
+ private:
+  // Canonicalizes the pattern parts so that they are ASCII only, either
+  // in original (if it was already ASCII) or punycode form. Returns true if
+  // the canonicalization was successful.
+  static bool Canonicalize(PatternParts* parts);
+
+  // Returns true when the pattern |parts| represent a valid pattern.
+  static bool Validate(const PatternParts& parts);
+
+  static bool LegacyValidate(const PatternParts& parts);
+
+  bool is_valid_;
+
+  bool use_legacy_validate_;
+
+  PatternParts parts_;
+
+  DISALLOW_COPY_AND_ASSIGN(Builder);
+};
+
 ContentSettingsPattern::Builder::Builder(bool use_legacy_validate)
     : is_valid_(true),
       use_legacy_validate_(use_legacy_validate) {}
 
 ContentSettingsPattern::Builder::~Builder() {}
 
 BuilderInterface* ContentSettingsPattern::Builder::WithPort(
     const std::string& port) {
   parts_.port = port;
   parts_.is_port_wildcard = false;
@@ skipping 206 matching lines @@
 // following patterns:
 //   - [*.]domain.tld (matches domain.tld and all sub-domains)
 //   - host (matches an exact hostname)
 //   - a.b.c.d (matches an exact IPv4 ip)
 //   - [a:b:c:d:e:f:g:h] (matches an exact IPv6 ip)
 //   - file:///tmp/test.html (a complete URL without a host)
 // Version 2 adds a resource identifier for plugins.
 // TODO(jochen): update once this feature is no longer behind a flag.
 const int ContentSettingsPattern::kContentSettingsPatternVersion = 1;
 
-// TODO(markusheintz): These two constants were moved to the Pattern Parser.
-// Remove once the dependency of the ContentSettingsBaseProvider is removed.
-const char* ContentSettingsPattern::kDomainWildcard = "[*.]";
-const size_t ContentSettingsPattern::kDomainWildcardLength = 4;
-
 // static
 BuilderInterface* ContentSettingsPattern::CreateBuilder(
     bool validate) {
   return new Builder(validate);
 }
 
 // static
 ContentSettingsPattern ContentSettingsPattern::FromURL(
     const GURL& url) {
   scoped_ptr<ContentSettingsPattern::BuilderInterface> builder(
@@ skipping 49 matching lines @@
       builder->WithPort(GetDefaultPort(local_url->scheme()));
     } else {
       builder->WithPort(local_url->port());
     }
   }
   return builder->Build();
 }
 
 // static
 ContentSettingsPattern ContentSettingsPattern::FromString(
+    const char* extension_scheme,
     const std::string& pattern_spec) {
   scoped_ptr<ContentSettingsPattern::BuilderInterface> builder(
       ContentSettingsPattern::CreateBuilder(false));
-  content_settings::PatternParser::Parse(pattern_spec, builder.get());
+  content_settings::PatternParser::Parse(extension_scheme,
+                                         pattern_spec,
+                                         builder.get());
   return builder->Build();
 }
 
-// static
-ContentSettingsPattern ContentSettingsPattern::LegacyFromString(
-    const std::string& pattern_spec) {
-  scoped_ptr<ContentSettingsPattern::BuilderInterface> builder(
-      ContentSettingsPattern::CreateBuilder(true));
-  content_settings::PatternParser::Parse(pattern_spec, builder.get());
-  return builder->Build();
-}
-
 // static
 ContentSettingsPattern ContentSettingsPattern::Wildcard() {
   scoped_ptr<ContentSettingsPattern::BuilderInterface> builder(
       ContentSettingsPattern::CreateBuilder(true));
   builder->WithSchemeWildcard()->WithDomainWildcard()->WithPortWildcard()->
            WithPathWildcard();
   return builder->Build();
 }
 
 ContentSettingsPattern::ContentSettingsPattern()
@@ skipping 76 matching lines @@
     return false;
   }
 
   return true;
 }
 
 bool ContentSettingsPattern::MatchesAllHosts() const {
   return parts_.has_domain_wildcard && parts_.host.empty();
 }
 
-const std::string ContentSettingsPattern::ToString() const {
+std::string ContentSettingsPattern::ToString(
+    const char* extension_scheme) const {
   if (IsValid())
-    return content_settings::PatternParser::ToString(parts_);
+    return content_settings::PatternParser::ToString(extension_scheme, parts_);
   else
     return std::string();
 }
 
 ContentSettingsPattern::Relation ContentSettingsPattern::Compare(
     const ContentSettingsPattern& other) const {
   // Two invalid patterns are identical in the way they behave. They don't match
   // anything and are represented as an empty string. So it's fair to treat them
   // as identical.
   if ((this == &other) ||
@@ skipping 161 matching lines @@
   if (!parts.is_port_wildcard && other_parts.is_port_wildcard)
     return ContentSettingsPattern::PREDECESSOR;
 
   int result = parts.port.compare(other_parts.port);
   if (result == 0)
     return ContentSettingsPattern::IDENTITY;
   if (result > 0)
     return ContentSettingsPattern::DISJOINT_ORDER_PRE;
   return ContentSettingsPattern::DISJOINT_ORDER_POST;
 }