1 files changed, 78 insertions, 0 deletions

diff --git a/mtp/MtpUtils.cpp b/mtp/MtpUtils.cpp
new file mode 100755
index 000000000..5fa32f271
--- /dev/null
+++ b/mtp/MtpUtils.cpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * 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.
+ *
+ * Copyright (C) 2014 TeamWin - bigbiff and Dees_Troy mtp database conversion to C++
+ */
+
+#include <stdio.h>
+#include <time.h>
+
+#include <cutils/tztime.h>
+#include "MtpUtils.h"
+
+
+/*
+DateTime strings follow a compatible subset of the definition found in ISO 8601, and
+take the form of a Unicode string formatted as: "YYYYMMDDThhmmss.s". In this
+representation, YYYY shall be replaced by the year, MM replaced by the month (01-12),
+DD replaced by the day (01-31), T is a constant character 'T' delimiting time from date,
+hh is replaced by the hour (00-23), mm is replaced by the minute (00-59), and ss by the
+second (00-59). The ".s" is optional, and represents tenths of a second.
+*/
+
+bool parseDateTime(const char* dateTime, time_t& outSeconds) {
+	int year, month, day, hour, minute, second;
+	struct tm tm;
+
+	if (sscanf(dateTime, "%04d%02d%02dT%02d%02d%02d",
+			&year, &month, &day, &hour, &minute, &second) != 6)
+		return false;
+	const char* tail = dateTime + 15;
+	// skip optional tenth of second
+	if (tail[0] == '.' && tail[1])
+		tail += 2;
+	//FIXME - support +/-hhmm
+	bool useUTC = (tail[0] == 'Z');
+
+	// hack to compute timezone
+	time_t dummy;
+	localtime_r(&dummy, &tm);
+
+	tm.tm_sec = second;
+	tm.tm_min = minute;
+	tm.tm_hour = hour;
+	tm.tm_mday = day;
+	tm.tm_mon = month - 1;  // mktime uses months in 0 - 11 range
+	tm.tm_year = year - 1900;
+	tm.tm_wday = 0;
+	tm.tm_isdst = -1;
+	if (useUTC)
+		outSeconds = mktime(&tm);
+	else
+		outSeconds = mktime_tz(&tm, tm.tm_zone);
+
+	return true;
+}
+
+void formatDateTime(time_t seconds, char* buffer, int bufferLength) {
+	struct tm tm;
+
+	localtime_r(&seconds, &tm);
+	snprintf(buffer, bufferLength, "%04d%02d%02dT%02d%02d%02d",
+		tm.tm_year + 1900, 
+		tm.tm_mon + 1, // localtime_r uses months in 0 - 11 range
+		tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
+}
+