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Add StringExtensions and Parse utilizing CultureInfo.InvariantCulture
Adds static methods of the form Parse.<TypeName>(string str) that use CultureInfo.InvariantCulture. These are to be used when parsing strings. It's still safe (from the CA1304/CA1305 perspective) to use the ToDecimal extension method for decimals. Adds string extension methods for common operations that will now require CultureInfo.InvariantCulture. These are to be used when converting values to strings, such as ToStringInvariant()/ToStringInvariant(format), but also useful for searching within strings, StartsWithInvariant, EndsWithInvariant and IndexOfInvariant.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals. | ||
| * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| using System; | ||
| using System.Globalization; | ||
|
|
||
| namespace QuantConnect | ||
| { | ||
| /// <summary> | ||
| /// Provides methods for parsing strings using <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static class Parse | ||
| { | ||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="System.TimeSpan"/> using <see cref="System.TimeSpan.Parse(string,IFormatProvider)"/> | ||
| /// with <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static TimeSpan TimeSpan(string value) | ||
| { | ||
| return System.TimeSpan.Parse(value, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="System.DateTime"/> using <see cref="System.DateTime.Parse(string,IFormatProvider)"/> | ||
| /// with <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static DateTime DateTime(string value) | ||
| { | ||
| return System.DateTime.Parse(value, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="System.DateTime"/> using <see cref="System.DateTime.ParseExact(string,string,IFormatProvider)"/> | ||
| /// with the specified <paramref name="format"/> and <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static DateTime DateTimeExact(string value, string format) | ||
| { | ||
| return System.DateTime.ParseExact(value, format, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="System.DateTime"/> using <see cref="System.DateTime.ParseExact(string,string,IFormatProvider)"/> | ||
| /// with the specified <paramref name="format"/>, <paramref name="dateTimeStyles"/> and <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static DateTime DateTimeExact(string value, string format, DateTimeStyles dateTimeStyles) | ||
| { | ||
| return System.DateTime.ParseExact(value, format, CultureInfo.InvariantCulture, dateTimeStyles); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="double"/> using <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static double Double(string value) | ||
| { | ||
| return double.Parse(value, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="decimal"/> using <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static decimal Decimal(string value) | ||
| { | ||
| return decimal.Parse(value, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="decimal"/> using the specified <paramref name="numberStyles"/> | ||
| /// and <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static decimal Decimal(string value, NumberStyles numberStyles) | ||
| { | ||
| return decimal.Parse(value, numberStyles, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="int"/> using <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static int Int(string value) | ||
| { | ||
| return int.Parse(value, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="long"/> using <see cref="CultureInfo.InvariantCulture"/> | ||
| /// </summary> | ||
| public static long Long(string value) | ||
| { | ||
| return long.Parse(value, CultureInfo.InvariantCulture); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Parses the provided value as a <see cref="long"/> using <see cref="CultureInfo.InvariantCulture"/> | ||
| /// and the specified <paramref name="numberStyles"/> | ||
| /// </summary> | ||
| public static long Long(string value, NumberStyles numberStyles) | ||
| { | ||
| return long.Parse(value, numberStyles, CultureInfo.InvariantCulture); | ||
| } | ||
| } | ||
| } |
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