wasSharp – Diff between revs 6 and 7
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2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |
- | ||
7 | using System; |
6 | |
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8 | using System.Collections.Generic; |
7 | using System.Collections.Generic; |
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9 | using System.Linq; |
- | ||
10 | using System.Linq.Expressions; |
8 | using System.Linq; |
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Line 11... | Line 9... | |||
11 | using System.Text; |
9 | using System.Text; |
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12 | |
10 | |
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13 | namespace wasSharp |
11 | namespace wasSharp |
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14 | { |
12 | { |
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15 | public class CSV |
13 | public static class CSV |
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16 | { |
14 | { |
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17 | /////////////////////////////////////////////////////////////////////////// |
15 | /////////////////////////////////////////////////////////////////////////// |
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18 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
16 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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19 | /////////////////////////////////////////////////////////////////////////// |
17 | /////////////////////////////////////////////////////////////////////////// |
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20 | /// <summary> |
18 | /// <summary> |
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21 | /// Converts a list of strings to a comma-separated values string. |
19 | /// Converts a list of strings to a comma-separated values string. |
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22 | /// </summary> |
20 | /// </summary> |
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23 | /// <returns>a commma-separated list of values</returns> |
21 | /// <returns>a commma-separated list of values</returns> |
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- | 22 | /// <remarks>compliant with RFC 4180</remarks> |
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24 | /// <remarks>compliant with RFC 4180</remarks> |
23 | public static string FromEnumerable(IEnumerable<string> input) |
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25 | public static Func<IEnumerable<string>, string> FromEnumerable = |
24 | { |
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26 | ((Expression<Func<IEnumerable<string>, string>>) (data => string.Join(",", |
25 | return string.Join(",", |
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27 | data |
26 | input |
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- | 27 | .Select(o => o.Replace("\"", "\"\"")) |
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- | 28 | .Select(o => o.IndexOfAny(new[] {'"', ' ', ',', '\r', '\n'}).Equals(-1) ? o : "\"" + o + "\"")); |
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- | 29 | } |
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- | 30 | |
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- | 31 | /////////////////////////////////////////////////////////////////////////// |
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- | 32 | // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // |
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- | 33 | /////////////////////////////////////////////////////////////////////////// |
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- | 34 | /// <summary> |
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- | 35 | /// Converts a dictionary of strings to a comma-separated values string. |
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- | 36 | /// </summary> |
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- | 37 | /// <returns>a commma-separated list of values</returns> |
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- | 38 | /// <remarks>compliant with RFC 4180</remarks> |
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- | 39 | public static string FromDictionary<K, V>(Dictionary<K, V> input) |
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28 | .Select(o => o.Replace("\"", "\"\"")) |
40 | { |
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- | 41 | return string.Join(",", input.Keys.Select(o => o.ToString()).Zip(input.Values.Select(o => o.ToString()), |
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- | 42 | (o, p) => |
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- | 43 | string.Join(",", |
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- | 44 | o.Replace("\"", "\"\"").IndexOfAny(new[] {'"', ' ', ',', '\r', '\n'}).Equals(-1) |
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- | 45 | ? o |
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- | 46 | : "\"" + o + "\"", |
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- | 47 | p.Replace("\"", "\"\"").IndexOfAny(new[] {'"', ' ', ',', '\r', '\n'}).Equals(-1) |
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- | 48 | ? p |
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Line 29... | Line 49... | |||
29 | .Select(o => o.IndexOfAny(new[] {'"', ' ', ',', '\r', '\n'}).Equals(-1) ? o : "\"" + o + "\"")))) |
49 | : "\"" + p + "\""))); |
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30 | .Compile(); |
50 | } |
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31 | |
51 | |
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32 | /////////////////////////////////////////////////////////////////////////// |
52 | /////////////////////////////////////////////////////////////////////////// |
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33 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
53 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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34 | /////////////////////////////////////////////////////////////////////////// |
54 | /////////////////////////////////////////////////////////////////////////// |
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35 | /// <summary> |
55 | /// <summary> |
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36 | /// Converts successive comma-separated values to key-value pairs. |
56 | /// Converts successive comma-separated values to key-value pairs. |
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37 | /// </summary> |
57 | /// </summary> |
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38 | /// <returns>key-value pairs of successive comma-separate values</returns> |
58 | /// <returns>key-value pairs of successive comma-separate values</returns> |
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39 | public static Func<string, IEnumerable<KeyValuePair<string, string>>> ToKeyValue = |
59 | public static IEnumerable<KeyValuePair<string, string>> ToKeyValue(string input) |
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40 | ((Expression<Func<string, IEnumerable<KeyValuePair<string, string>>>>) |
60 | { |
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41 | (csv => ToEnumerable(csv).AsParallel().Select((o, p) => new {o, p}) |
61 | return ToEnumerable(input).AsParallel().Select((o, p) => new {o, p}) |
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42 | .GroupBy(q => q.p/2, q => q.o) |
62 | .GroupBy(q => q.p/2, q => q.o) |
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43 | .Select(o => o.ToArray()) |
63 | .Select(o => o.ToArray()) |
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- | 64 | .TakeWhile(o => o.Length%2 == 0) |
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- | 65 | .Where(o => !string.IsNullOrEmpty(o[0]) || !string.IsNullOrEmpty(o[1])) |
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- | 66 | .ToDictionary(o => o[0], p => p[1]).Select(o => o); |
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- | 67 | } |
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- | 68 | |
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- | 69 | /////////////////////////////////////////////////////////////////////////// |
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- | 70 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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- | 71 | /////////////////////////////////////////////////////////////////////////// |
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- | 72 | /// <summary> |
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- | 73 | /// Converts a generic key value pair to a CSV. |
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- | 74 | /// </summary> |
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- | 75 | /// <returns>a commma-separated list of values</returns> |
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- | 76 | /// <remarks>compliant with RFC 4180</remarks> |
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- | 77 | public static string FromKeyValue<K, V>(KeyValuePair<K, V> input) |
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- | 78 | { |
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- | 79 | var key = input.Key.ToString(); |
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- | 80 | var value = input.Value.ToString(); |
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- | 81 | |
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- | 82 | return string.Join(",", key |
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- | 83 | .Replace("\"", "\"\"").IndexOfAny(new[] {'"', ' ', ',', '\r', '\n'}).Equals(-1) |
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- | 84 | ? key |
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- | 85 | : "\"" + key + "\"", value |
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- | 86 | .Replace("\"", "\"\"") |
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- | 87 | .IndexOfAny(new[] {'"', ' ', ',', '\r', '\n'}) |
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- | 88 | .Equals(-1) |
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44 | .TakeWhile(o => o.Length%2 == 0) |
89 | ? value |
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45 | .Where(o => !string.IsNullOrEmpty(o[0]) || !string.IsNullOrEmpty(o[1])) |
90 | : "\"" + value + "\""); |
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46 | .ToDictionary(o => o[0], p => p[1]).Select(o => o))).Compile(); |
91 | } |
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47 | |
92 | |
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Line 54... | Line 99... | |||
54 | /// <param name="csv">a comma-separated list of values</param> |
99 | /// <param name="csv">a comma-separated list of values</param> |
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55 | /// <returns>a list of strings</returns> |
100 | /// <returns>a list of strings</returns> |
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56 | /// <remarks>compliant with RFC 4180</remarks> |
101 | /// <remarks>compliant with RFC 4180</remarks> |
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57 | public static IEnumerable<string> ToEnumerable(string csv) |
102 | public static IEnumerable<string> ToEnumerable(string csv) |
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58 | { |
103 | { |
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59 | Stack<char> s = new Stack<char>(); |
104 | var s = new Stack<char>(); |
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60 | StringBuilder m = new StringBuilder(); |
105 | var m = new StringBuilder(); |
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61 | for (int i = 0; i < csv.Length; ++i) |
106 | for (var i = 0; i < csv.Length; ++i) |
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62 | { |
107 | { |
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63 | switch (csv[i]) |
108 | switch (csv[i]) |
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64 | { |
109 | { |
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65 | case ',': |
110 | case ',': |
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66 | if (!s.Any() || !s.Peek().Equals('"')) |
111 | if (!s.Any() || !s.Peek().Equals('"')) |