Rename components/autocomplete to components/omnibox

components/autocomplete/autocomplete_provider.cc

-// Copyright 2014 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 "components/autocomplete/autocomplete_provider.h"
-
-#include "base/logging.h"
-#include "base/strings/utf_string_conversions.h"
-#include "components/autocomplete/autocomplete_input.h"
-#include "components/autocomplete/autocomplete_match.h"
-#include "components/url_fixer/url_fixer.h"
-#include "net/base/net_util.h"
-#include "url/gurl.h"
-
-// static
-const size_t AutocompleteProvider::kMaxMatches = 3;
-
-AutocompleteProvider::AutocompleteProvider(Type type)
-    : done_(true),
-      type_(type) {
-}
-
-// static
-const char* AutocompleteProvider::TypeToString(Type type) {
-  switch (type) {
-    case TYPE_BOOKMARK:
-      return "Bookmark";
-    case TYPE_BUILTIN:
-      return "Builtin";
-    case TYPE_HISTORY_QUICK:
-      return "HistoryQuick";
-    case TYPE_HISTORY_URL:
-      return "HistoryURL";
-    case TYPE_KEYWORD:
-      return "Keyword";
-    case TYPE_SEARCH:
-      return "Search";
-    case TYPE_SHORTCUTS:
-      return "Shortcuts";
-    case TYPE_ZERO_SUGGEST:
-      return "ZeroSuggest";
-    default:
-      NOTREACHED() << "Unhandled AutocompleteProvider::Type " << type;
-      return "Unknown";
-  }
-}
-
-void AutocompleteProvider::Stop(bool clear_cached_results) {
-  done_ = true;
-}
-
-const char* AutocompleteProvider::GetName() const {
-  return TypeToString(type_);
-}
-
-metrics::OmniboxEventProto_ProviderType AutocompleteProvider::
-    AsOmniboxEventProviderType() const {
-  switch (type_) {
-    case TYPE_BOOKMARK:
-      return metrics::OmniboxEventProto::BOOKMARK;
-    case TYPE_BUILTIN:
-      return metrics::OmniboxEventProto::BUILTIN;
-    case TYPE_HISTORY_QUICK:
-      return metrics::OmniboxEventProto::HISTORY_QUICK;
-    case TYPE_HISTORY_URL:
-      return metrics::OmniboxEventProto::HISTORY_URL;
-    case TYPE_KEYWORD:
-      return metrics::OmniboxEventProto::KEYWORD;
-    case TYPE_SEARCH:
-      return metrics::OmniboxEventProto::SEARCH;
-    case TYPE_SHORTCUTS:
-      return metrics::OmniboxEventProto::SHORTCUTS;
-    case TYPE_ZERO_SUGGEST:
-      return metrics::OmniboxEventProto::ZERO_SUGGEST;
-    default:
-      NOTREACHED() << "Unhandled AutocompleteProvider::Type " << type_;
-      return metrics::OmniboxEventProto::UNKNOWN_PROVIDER;
-  }
-}
-
-void AutocompleteProvider::DeleteMatch(const AutocompleteMatch& match) {
-  DLOG(WARNING) << "The AutocompleteProvider '" << GetName()
-                << "' has not implemented DeleteMatch.";
-}
-
-void AutocompleteProvider::AddProviderInfo(ProvidersInfo* provider_info) const {
-}
-
-void AutocompleteProvider::ResetSession() {
-}
-
-AutocompleteProvider::~AutocompleteProvider() {
-  Stop(false);
-}
-
-// static
-AutocompleteProvider::FixupReturn AutocompleteProvider::FixupUserInput(
-    const AutocompleteInput& input) {
-  const base::string16& input_text = input.text();
-  const FixupReturn failed(false, input_text);
-
-  // Fixup and canonicalize user input.
-  const GURL canonical_gurl(
-      url_fixer::FixupURL(base::UTF16ToUTF8(input_text), std::string()));
-  std::string canonical_gurl_str(canonical_gurl.possibly_invalid_spec());
-  if (canonical_gurl_str.empty()) {
-    // This probably won't happen, but there are no guarantees.
-    return failed;
-  }
-
-  // If the user types a number, GURL will convert it to a dotted quad.
-  // However, if the parser did not mark this as a URL, then the user probably
-  // didn't intend this interpretation.  Since this can break history matching
-  // for hostname beginning with numbers (e.g. input of "17173" will be matched
-  // against "0.0.67.21" instead of the original "17173", failing to find
-  // "17173.com"), swap the original hostname in for the fixed-up one.
-  if ((input.type() != metrics::OmniboxInputType::URL) &&
-      canonical_gurl.HostIsIPAddress()) {
-    std::string original_hostname =
-        base::UTF16ToUTF8(input_text.substr(input.parts().host.begin,
-                                            input.parts().host.len));
-    const url::Parsed& parts =
-        canonical_gurl.parsed_for_possibly_invalid_spec();
-    // parts.host must not be empty when HostIsIPAddress() is true.
-    DCHECK(parts.host.is_nonempty());
-    canonical_gurl_str.replace(parts.host.begin, parts.host.len,
-                               original_hostname);
-  }
-  base::string16 output(base::UTF8ToUTF16(canonical_gurl_str));
-  // Don't prepend a scheme when the user didn't have one.  Since the fixer
-  // upper only prepends the "http" scheme, that's all we need to check for.
-  if (!AutocompleteInput::HasHTTPScheme(input_text))
-    TrimHttpPrefix(&output);
-
-  // Make the number of trailing slashes on the output exactly match the input.
-  // Examples of why not doing this would matter:
-  // * The user types "a" and has this fixed up to "a/".  Now no other sites
-  //   beginning with "a" will match.
-  // * The user types "file:" and has this fixed up to "file://".  Now inline
-  //   autocomplete will append too few slashes, resulting in e.g. "file:/b..."
-  //   instead of "file:///b..."
-  // * The user types "http:/" and has this fixed up to "http:".  Now inline
-  //   autocomplete will append too many slashes, resulting in e.g.
-  //   "http:///c..." instead of "http://c...".
-  // NOTE: We do this after calling TrimHttpPrefix() since that can strip
-  // trailing slashes (if the scheme is the only thing in the input).  It's not
-  // clear that the result of fixup really matters in this case, but there's no
-  // harm in making sure.
-  const size_t last_input_nonslash =
-      input_text.find_last_not_of(base::ASCIIToUTF16("/\\"));
-  const size_t num_input_slashes =
-      (last_input_nonslash == base::string16::npos) ?
-      input_text.length() : (input_text.length() - 1 - last_input_nonslash);
-  const size_t last_output_nonslash =
-      output.find_last_not_of(base::ASCIIToUTF16("/\\"));
-  const size_t num_output_slashes =
-      (last_output_nonslash == base::string16::npos) ?
-      output.length() : (output.length() - 1 - last_output_nonslash);
-  if (num_output_slashes < num_input_slashes)
-    output.append(num_input_slashes - num_output_slashes, '/');
-  else if (num_output_slashes > num_input_slashes)
-    output.erase(output.length() - num_output_slashes + num_input_slashes);
-  if (output.empty())
-    return failed;
-
-  return FixupReturn(true, output);
-}
-
-// static
-size_t AutocompleteProvider::TrimHttpPrefix(base::string16* url) {
-  // Find any "http:".
-  if (!AutocompleteInput::HasHTTPScheme(*url))
-    return 0;
-  size_t scheme_pos =
-      url->find(base::ASCIIToUTF16(url::kHttpScheme) + base::char16(':'));
-  DCHECK_NE(base::string16::npos, scheme_pos);
-
-  // Erase scheme plus up to two slashes.
-  size_t prefix_end = scheme_pos + strlen(url::kHttpScheme) + 1;
-  const size_t after_slashes = std::min(url->length(), prefix_end + 2);
-  while ((prefix_end < after_slashes) && ((*url)[prefix_end] == '/'))
-    ++prefix_end;
-  url->erase(scheme_pos, prefix_end - scheme_pos);
-  return (scheme_pos == 0) ? prefix_end : 0;
-}