Move address parser and prefixes to android_webview/.

content/common/android/address_parser.cc

Index: content/common/android/address_parser.cc
diff --git a/content/common/android/address_parser.cc b/content/common/android/address_parser.cc
deleted file mode 100644
index bed843d160c1dcb3cc60071c79e0d00f81eec292..0000000000000000000000000000000000000000
--- a/content/common/android/address_parser.cc
+++ /dev/null
@@ -1,228 +0,0 @@
-// 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 "content/common/android/address_parser.h"
-
-#include "base/logging.h"
-#include "base/strings/string_util.h"
-#include "content/common/android/address_parser_internal.h"
-
-namespace {
-
-// Minimum number of words in an address after the house number
-// before a state is expected to be found.
-// A value too high can miss short addresses.
-const size_t kMinAddressWords = 3;
-
-// Maximum number of words allowed in an address between the house number
-// and the state, both not included.
-const size_t kMaxAddressWords = 12;
-
-// Maximum number of lines allowed in an address between the house number
-// and the state, both not included.
-const size_t kMaxAddressLines = 5;
-
-// Maximum length allowed for any address word between the house number
-// and the state, both not included.
-const size_t kMaxAddressNameWordLength = 25;
-
-// Maximum number of words after the house number in which the location name
-// should be found.
-const size_t kMaxLocationNameDistance = 4;
-
-// Additional characters used as new line delimiters.
-const base::char16 kNewlineDelimiters[] = {
-  '\n',
-  ',',
-  '*',
-  0x2022,  // Unicode bullet
-  0,
-};
-
-}  // anonymous namespace
-
-namespace content {
-
-namespace address_parser {
-
-using namespace internal;
-
-bool FindAddress(const base::string16& text, base::string16* address) {
-  size_t start, end;
-  if (FindAddress(text.begin(), text.end(), &start, &end)) {
-    size_t len = end >= start ? end - start : 0;
-    address->assign(text.substr(start, len));
-    return true;
-  }
-  return false;
-}
-
-bool FindAddress(const base::string16::const_iterator& begin,
-                 const base::string16::const_iterator& end,
-                 size_t* start_pos,
-                 size_t* end_pos) {
-  HouseNumberParser house_number_parser;
-
-  // Keep going through the input string until a potential house number is
-  // detected. Start tokenizing the following words to find a valid
-  // street name within a word range. Then, find a state name followed
-  // by a valid zip code for that state. Also keep a look for any other
-  // possible house numbers to continue from in case of no match and for
-  // state names not followed by a zip code (e.g. New York, NY 10000).
-  const base::string16 newline_delimiters = kNewlineDelimiters;
-  const base::string16 delimiters = base::kWhitespaceUTF16 + newline_delimiters;
-  for (base::string16::const_iterator it = begin; it != end; ) {
-    Word house_number;
-    if (!house_number_parser.Parse(it, end, &house_number))
-      return false;
-
-    String16Tokenizer tokenizer(house_number.end, end, delimiters);
-    tokenizer.set_options(String16Tokenizer::RETURN_DELIMS);
-
-    WordList words;
-    words.push_back(house_number);
-
-    bool found_location_name = false;
-    bool continue_on_house_number = true;
-    bool consecutive_house_numbers = true;
-    size_t next_house_number_word = 0;
-    size_t num_lines = 1;
-
-    // Don't include the house number in the word count.
-    size_t next_word = 1;
-    for (; next_word <= kMaxAddressWords + 1; ++next_word) {
-
-      // Extract a new word from the tokenizer.
-      if (next_word == words.size()) {
-        do {
-          if (!tokenizer.GetNext())
-            return false;
-
-          // Check the number of address lines.
-          if (tokenizer.token_is_delim() && newline_delimiters.find(
-              *tokenizer.token_begin()) != base::string16::npos) {
-            ++num_lines;
-          }
-        } while (tokenizer.token_is_delim());
-
-        if (num_lines > kMaxAddressLines)
-          break;
-
-        words.push_back(Word(tokenizer.token_begin(), tokenizer.token_end()));
-      }
-
-      // Check the word length. If too long, don't try to continue from
-      // the next house number as no address can hold this word.
-      const Word& current_word = words[next_word];
-      DCHECK_GT(std::distance(current_word.begin, current_word.end), 0);
-      size_t current_word_length = std::distance(
-          current_word.begin, current_word.end);
-      if (current_word_length > kMaxAddressNameWordLength) {
-        continue_on_house_number = false;
-        break;
-      }
-
-      // Check if the new word is a valid house number.
-      if (house_number_parser.Parse(current_word.begin, current_word.end,
-          NULL)) {
-        // Increase the number of consecutive house numbers since the beginning.
-        if (consecutive_house_numbers) {
-          // Check if there is a new line between consecutive house numbers.
-          // This avoids false positives of the form "Cafe 21\n 750 Fifth Ave.."
-          if (num_lines > 1) {
-            next_house_number_word = next_word;
-            break;
-          }
-        }
-
-        // Keep the next candidate to resume parsing from in case of failure.
-        if (next_house_number_word == 0) {
-          next_house_number_word = next_word;
-          continue;
-        }
-      } else {
-        consecutive_house_numbers = false;
-      }
-
-      // Look for location names in the words after the house number.
-      // A range limitation is introduced to avoid matching
-      // anything that starts with a number before a legitimate address.
-      if (next_word <= kMaxLocationNameDistance &&
-          IsValidLocationName(current_word)) {
-        found_location_name = true;
-        continue;
-      }
-
-      // Don't count the house number.
-      if (next_word > kMinAddressWords) {
-        // Looking for the state is likely to add new words to the list while
-        // checking for multi-word state names.
-        size_t state_first_word = next_word;
-        size_t state_last_word, state_index;
-        if (FindStateStartingInWord(&words, state_first_word, &state_last_word,
-                                    &tokenizer, &state_index)) {
-
-          // A location name should have been found at this point.
-          if (!found_location_name)
-            break;
-
-          // Explicitly exclude "et al", as "al" is a valid state code.
-          if (current_word_length == 2 && words.size() > 2) {
-            const Word& previous_word = words[state_first_word - 1];
-            if (previous_word.end - previous_word.begin == 2 &&
-                base::LowerCaseEqualsASCII(
-                    base::StringPiece16(previous_word.begin, previous_word.end),
-                    "et") &&
-                base::LowerCaseEqualsASCII(
-                     base::StringPiece16(current_word.begin, current_word.end),
-                     "al"))
-              break;
-          }
-
-          // Extract one more word from the tokenizer if not already available.
-          size_t zip_word = state_last_word + 1;
-          if (zip_word == words.size()) {
-            do {
-              if (!tokenizer.GetNext()) {
-                // The address ends with a state name without a zip code. This
-                // is legal according to WebView#findAddress public
-                // documentation.
-                *start_pos = words[0].begin - begin;
-                *end_pos = words[state_last_word].end - begin;
-                return true;
-              }
-            } while (tokenizer.token_is_delim());
-            words.push_back(Word(tokenizer.token_begin(),
-                            tokenizer.token_end()));
-          }
-
-          // Check the parsing validity and state range of the zip code.
-          next_word = state_last_word;
-          if (!IsZipValid(words[zip_word], state_index))
-            continue;
-
-          *start_pos = words[0].begin - begin;
-          *end_pos = words[zip_word].end - begin;
-          return true;
-        }
-      }
-    }
-
-    // Avoid skipping too many words because of a non-address number
-    // at the beginning of the contents to parse.
-    if (continue_on_house_number && next_house_number_word > 0) {
-      it = words[next_house_number_word].begin;
-    } else {
-      DCHECK(!words.empty());
-      next_word = std::min(next_word, words.size() - 1);
-      it = words[next_word].end;
-    }
-  }
-
-  return false;
-}
-
-}  // namespace address_parser
-
-}  // namespace content