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// Copyright (c) 2013 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/renderer/date_time_formatter.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebCString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDateTimeChooserParams.h"
#include "third_party/icu/public/i18n/unicode/smpdtfmt.h"
namespace content {
void DateTimeFormatter::CreatePatternMap() {
// Initialize all the UI elements with empty patterns,
// then fill in the ones that are actually date/time inputs and
// are implemented.
for (int i = 0 ; i <= ui::TEXT_INPUT_TYPE_MAX; ++i) {
patterns_[i] = "";
}
patterns_[ui::TEXT_INPUT_TYPE_DATE] = "yyyy-MM-dd";
patterns_[ui::TEXT_INPUT_TYPE_DATE_TIME] = "yyyy-MM-dd'T'HH:mm'Z'";
patterns_[ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL] = "yyyy-MM-dd'T'HH:mm";
patterns_[ui::TEXT_INPUT_TYPE_MONTH] = "yyyy-MM";
patterns_[ui::TEXT_INPUT_TYPE_TIME] = "HH:mm";
}
DateTimeFormatter::DateTimeFormatter(
const WebKit::WebDateTimeChooserParams& source)
: formatted_string_(source.currentValue.utf8()) {
CreatePatternMap();
ExtractType(source);
if (!ParseValues()) {
type_ = ui::TEXT_INPUT_TYPE_NONE;
ClearAll();
LOG(WARNING) << "Problems parsing input <" << formatted_string_ << ">";
}
}
DateTimeFormatter::DateTimeFormatter(
ui::TextInputType type,
int year, int month, int day, int hour, int minute, int second)
: type_(type),
year_(year),
month_(month),
day_(day),
hour_(hour),
minute_(minute),
second_(second) {
CreatePatternMap();
pattern_ = type_ > 0 && type_ <= ui::TEXT_INPUT_TYPE_MAX ?
&patterns_[type_] : &patterns_[ui::TEXT_INPUT_TYPE_NONE];
formatted_string_ = FormatString();
}
DateTimeFormatter::~DateTimeFormatter() {
}
int DateTimeFormatter::GetYear() const {
return year_;
}
int DateTimeFormatter::GetMonth() const {
return month_;
}
int DateTimeFormatter::GetDay() const {
return day_;
}
int DateTimeFormatter::GetHour() const {
return hour_;
}
int DateTimeFormatter::GetMinute() const {
return minute_;
}
int DateTimeFormatter::GetSecond() const {
return second_;
}
ui::TextInputType DateTimeFormatter::GetType() const {
return type_;
}
const std::string& DateTimeFormatter::GetFormattedValue() const {
return formatted_string_;
}
const std::string DateTimeFormatter::FormatString() const {
UErrorCode success = U_ZERO_ERROR;
if (year_ == 0 && month_ == 0 && day_ == 0 &&
hour_ == 0 && minute_ == 0 && second_ == 0) {
return "";
}
std::string result;
const icu::GregorianCalendar calendar(
year_, month_, day_, hour_, minute_, second_, success);
if (success <= U_ZERO_ERROR) {
UDate time = calendar.getTime(success);
icu::SimpleDateFormat formatter(*pattern_, success);
icu::UnicodeString formatted_time;
formatter.format(time, formatted_time, success);
UTF16ToUTF8(formatted_time.getBuffer(),
static_cast<size_t>(formatted_time.length()),
&result);
if (success <= U_ZERO_ERROR)
return result;
}
LOG(WARNING) << "Calendar not created: error " << success;
return "";
}
void DateTimeFormatter::ExtractType(
const WebKit::WebDateTimeChooserParams& source) {
switch (source.type) {
case WebKit::WebDateTimeInputTypeDate:
type_ = ui::TEXT_INPUT_TYPE_DATE;
break;
case WebKit::WebDateTimeInputTypeDateTime:
type_ = ui::TEXT_INPUT_TYPE_DATE_TIME;
break;
case WebKit::WebDateTimeInputTypeDateTimeLocal:
type_ = ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL;
break;
case WebKit::WebDateTimeInputTypeMonth:
type_ = ui::TEXT_INPUT_TYPE_MONTH;
break;
case WebKit::WebDateTimeInputTypeTime:
type_ = ui::TEXT_INPUT_TYPE_TIME;
break;
case WebKit::WebDateTimeInputTypeWeek: // Not implemented
case WebKit::WebDateTimeInputTypeNone:
default:
type_ = ui::TEXT_INPUT_TYPE_NONE;
}
}
// Not all fields are defined in all configurations and ICU might store
// garbage if success <= U_ZERO_ERROR so the output is sanitized here.
int DateTimeFormatter::ExtractValue(
const icu::Calendar* calendar, UCalendarDateFields value) const {
UErrorCode success = U_ZERO_ERROR;
int result = calendar->get(value, success);
return (success <= U_ZERO_ERROR) ? result : 0;
}
bool DateTimeFormatter::ParseValues() {
if (type_ == ui::TEXT_INPUT_TYPE_NONE) {
ClearAll();
return false;
}
if (formatted_string_.empty()) {
ClearAll();
return true;
}
UErrorCode success = U_ZERO_ERROR;
icu::UnicodeString icu_value = icu::UnicodeString::fromUTF8(
icu::StringPiece(formatted_string_.data(), formatted_string_.size()));
if (type_ > 0 && type_ <= ui::TEXT_INPUT_TYPE_MAX) {
const icu::UnicodeString pattern = patterns_[type_];
icu::SimpleDateFormat formatter(pattern, success);
formatter.parse(icu_value, success);
if (success <= U_ZERO_ERROR) {
const icu::Calendar* cal = formatter.getCalendar();
year_ = ExtractValue(cal, UCAL_YEAR);
month_ = ExtractValue(cal, UCAL_MONTH);
day_ = ExtractValue(cal, UCAL_DATE);
hour_ = ExtractValue(cal, UCAL_HOUR_OF_DAY); // 24h format
minute_ = ExtractValue(cal, UCAL_MINUTE);
second_ = ExtractValue(cal, UCAL_SECOND);
}
}
return (success <= U_ZERO_ERROR);
}
void DateTimeFormatter::ClearAll() {
year_ = 0;
month_ = 0;
day_ = 0;
hour_ = 0;
minute_ = 0;
second_ = 0;
}
} // namespace content
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