| // Copyright (C) 2011 The Libphonenumber Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <string> |
| |
| #include "phonenumbers/utf/unicodetext.h" |
| |
| namespace i18n { |
| namespace phonenumbers { |
| |
| using std::string; |
| |
| struct NormalizeUTF8 { |
| // Put a UTF-8 string in ASCII digits: All decimal digits (Nd) replaced by |
| // their ASCII counterparts; all other characters are copied from input to |
| // output. |
| static string NormalizeDecimalDigits(const string& number) { |
| string normalized; |
| UnicodeText number_as_unicode; |
| number_as_unicode.PointToUTF8(number.data(), number.size()); |
| for (UnicodeText::const_iterator it = number_as_unicode.begin(); |
| it != number_as_unicode.end(); |
| ++it) { |
| int32_t digitValue = u_charDigitValue(*it); |
| if (digitValue == -1) { |
| // Not a decimal digit. |
| char utf8[4]; |
| int len = it.get_utf8(utf8); |
| normalized.append(utf8, len); |
| } else { |
| normalized.push_back('0' + digitValue); |
| } |
| } |
| return normalized; |
| } |
| }; |
| |
| } // namespace phonenumbers |
| } // namespace i18n |