wasSharp – Diff between revs 56 and 59
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1 | /////////////////////////////////////////////////////////////////////////// |
1 | /////////////////////////////////////////////////////////////////////////// |
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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 | |
6 | |
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7 | using System.Collections.Generic; |
7 | using System.Collections.Generic; |
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8 | using System.Linq; |
8 | using System.Linq; |
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9 | using System.Text; |
9 | using System.Text; |
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10 | |
10 | |
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11 | namespace wasSharp.Languages |
11 | namespace wasSharp.Languages |
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12 | { |
12 | { |
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13 | public static class CSV |
13 | public static class CSV |
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14 | { |
14 | { |
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- | 15 | public static readonly char[] CSVEscapeCharacters = {'"', ' ', ',', '\r', '\n'}; |
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- | 16 | |
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15 | /////////////////////////////////////////////////////////////////////////// |
17 | /////////////////////////////////////////////////////////////////////////// |
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16 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
18 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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17 | /////////////////////////////////////////////////////////////////////////// |
19 | /////////////////////////////////////////////////////////////////////////// |
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18 | /// <summary> |
20 | /// <summary> |
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19 | /// Converts a list of strings to a comma-separated values string. |
21 | /// Converts a list of strings to a comma-separated values string. |
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20 | /// </summary> |
22 | /// </summary> |
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21 | /// <returns>a commma-separated list of values</returns> |
23 | /// <returns>a commma-separated list of values</returns> |
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22 | /// <remarks>compliant with RFC 4180</remarks> |
24 | /// <remarks>compliant with RFC 4180</remarks> |
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23 | public static string FromEnumerable(IEnumerable<string> input) |
25 | public static string FromEnumerable(IEnumerable<string> input) |
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24 | { |
26 | { |
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25 | return string.Join(",", |
27 | return string.Join(",", |
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26 | input |
28 | input |
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27 | .Select(o => o.Replace("\"", "\"\"")) |
29 | .Select(o => o.Replace("\"", "\"\"")) |
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28 | .Select(o => o.IndexOfAny(new[] { '"', ' ', ',', '\r', '\n' }).Equals(-1) ? o : "\"" + o + "\"")); |
30 | .Select(o => o.IndexOfAny(CSVEscapeCharacters) == -1 ? o : $"\"{o}\"")); |
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29 | } |
31 | } |
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30 | |
32 | |
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31 | /////////////////////////////////////////////////////////////////////////// |
33 | /////////////////////////////////////////////////////////////////////////// |
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32 | // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // |
34 | // Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 // |
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33 | /////////////////////////////////////////////////////////////////////////// |
35 | /////////////////////////////////////////////////////////////////////////// |
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34 | /// <summary> |
36 | /// <summary> |
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35 | /// Converts a dictionary of strings to a comma-separated values string. |
37 | /// Converts a dictionary of strings to a comma-separated values string. |
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36 | /// </summary> |
38 | /// </summary> |
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37 | /// <returns>a commma-separated list of values</returns> |
39 | /// <returns>a commma-separated list of values</returns> |
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38 | /// <remarks>compliant with RFC 4180</remarks> |
40 | /// <remarks>compliant with RFC 4180</remarks> |
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39 | public static string FromDictionary<K, V>(Dictionary<K, V> input) |
41 | public static string FromDictionary<TK, TV>(Dictionary<TK, TV> input) |
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40 | { |
42 | { |
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41 | return string.Join(",", input.Keys.Select(o => o.ToString()).Zip(input.Values.Select(o => o.ToString()), |
43 | return string.Join(",", input.Keys.Select(o => o.ToString()).Zip(input.Values.Select(o => o.ToString()), |
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42 | (o, p) => |
44 | (o, p) => |
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43 | string.Join(",", |
45 | string.Join(",", |
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44 | o.Replace("\"", "\"\"").IndexOfAny(new[] { '"', ' ', ',', '\r', '\n' }).Equals(-1) |
46 | o.Replace("\"", "\"\"").IndexOfAny(CSVEscapeCharacters) == -1 |
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45 | ? o |
47 | ? o |
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46 | : "\"" + o + "\"", |
48 | : $"\"{o}\"", |
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47 | p.Replace("\"", "\"\"").IndexOfAny(new[] { '"', ' ', ',', '\r', '\n' }).Equals(-1) |
49 | p.Replace("\"", "\"\"").IndexOfAny(CSVEscapeCharacters) == -1 |
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48 | ? p |
50 | ? p |
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49 | : "\"" + p + "\""))); |
51 | : $"\"{p}\""))); |
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50 | } |
52 | } |
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51 | |
53 | |
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52 | /////////////////////////////////////////////////////////////////////////// |
54 | /////////////////////////////////////////////////////////////////////////// |
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53 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
55 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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54 | /////////////////////////////////////////////////////////////////////////// |
56 | /////////////////////////////////////////////////////////////////////////// |
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55 | /// <summary> |
57 | /// <summary> |
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56 | /// Converts successive comma-separated values to key-value pairs. |
58 | /// Converts successive comma-separated values to key-value pairs. |
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57 | /// </summary> |
59 | /// </summary> |
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58 | /// <returns>key-value pairs of successive comma-separate values</returns> |
60 | /// <returns>key-value pairs of successive comma-separate values</returns> |
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59 | public static IEnumerable<KeyValuePair<string, string>> ToKeyValue(string input) |
61 | public static IEnumerable<KeyValuePair<string, string>> ToKeyValue(string input) |
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60 | { |
62 | { |
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61 | return ToEnumerable(input).AsParallel().Select((o, p) => new { o, p }) |
63 | return ToEnumerable(input).AsParallel().Select((o, p) => new {o, p}) |
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62 | .GroupBy(q => q.p / 2, q => q.o) |
64 | .GroupBy(q => q.p / 2, q => q.o) |
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63 | .Select(o => o.ToArray()) |
65 | .Select(o => o.ToArray()) |
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64 | .TakeWhile(o => o.Length % 2 == 0) |
66 | .TakeWhile(o => o.Length % 2 == 0) |
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65 | .Where(o => !string.IsNullOrEmpty(o[0])) |
67 | .Where(o => !string.IsNullOrEmpty(o[0])) |
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66 | .Select(o => new KeyValuePair<string, string>(o[0], o[1])); |
68 | .Select(o => new KeyValuePair<string, string>(o[0], o[1])); |
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67 | } |
69 | } |
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68 | |
70 | |
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69 | /////////////////////////////////////////////////////////////////////////// |
71 | /////////////////////////////////////////////////////////////////////////// |
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70 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
72 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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71 | /////////////////////////////////////////////////////////////////////////// |
73 | /////////////////////////////////////////////////////////////////////////// |
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72 | /// <summary> |
74 | /// <summary> |
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73 | /// Converts a generic key value pair to a CSV. |
75 | /// Converts a generic key value pair to a CSV. |
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74 | /// </summary> |
76 | /// </summary> |
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75 | /// <returns>a commma-separated list of values</returns> |
77 | /// <returns>a commma-separated list of values</returns> |
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76 | /// <remarks>compliant with RFC 4180</remarks> |
78 | /// <remarks>compliant with RFC 4180</remarks> |
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77 | public static string FromKeyValue<K, V>(KeyValuePair<K, V> input) |
79 | public static string FromKeyValue<TK, TV>(KeyValuePair<TK, TV> input) |
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78 | { |
80 | { |
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79 | var key = input.Key.ToString(); |
81 | var key = input.Key.ToString(); |
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80 | var value = input.Value.ToString(); |
82 | var value = input.Value.ToString(); |
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81 | |
83 | |
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82 | return string.Join(",", key |
84 | return string.Join(",", key |
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83 | .Replace("\"", "\"\"").IndexOfAny(new[] { '"', ' ', ',', '\r', '\n' }).Equals(-1) |
85 | .Replace("\"", "\"\"").IndexOfAny(CSVEscapeCharacters) == -1 |
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84 | ? key |
86 | ? key |
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85 | : "\"" + key + "\"", value |
87 | : $"\"{key}\"", value |
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86 | .Replace("\"", "\"\"") |
88 | .Replace("\"", "\"\"") |
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87 | .IndexOfAny(new[] { '"', ' ', ',', '\r', '\n' }) |
89 | .IndexOfAny(CSVEscapeCharacters) == -1 |
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88 | .Equals(-1) |
- | ||
89 | ? value |
90 | ? value |
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90 | : "\"" + value + "\""); |
91 | : $"\"{value}\""); |
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91 | } |
92 | } |
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92 | |
93 | |
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93 | /////////////////////////////////////////////////////////////////////////// |
94 | /////////////////////////////////////////////////////////////////////////// |
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94 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
95 | // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 // |
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95 | /////////////////////////////////////////////////////////////////////////// |
96 | /////////////////////////////////////////////////////////////////////////// |
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96 | /// <summary> |
97 | /// <summary> |
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97 | /// Converts a comma-separated list of values to a list of strings. |
98 | /// Converts a comma-separated list of values to a list of strings. |
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98 | /// </summary> |
99 | /// </summary> |
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99 | /// <param name="csv">a comma-separated list of values</param> |
100 | /// <param name="csv">a comma-separated list of values</param> |
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100 | /// <returns>a list of strings</returns> |
101 | /// <returns>a list of strings</returns> |
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101 | /// <remarks>compliant with RFC 4180</remarks> |
102 | /// <remarks>compliant with RFC 4180</remarks> |
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102 | public static IEnumerable<string> ToEnumerable(string csv) |
103 | public static IEnumerable<string> ToEnumerable(string csv) |
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103 | { |
104 | { |
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104 | if (csv == null) |
105 | if (string.IsNullOrEmpty(csv)) |
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105 | { |
- | ||
106 | yield return string.Empty; |
- | ||
107 | yield break; |
106 | yield break; |
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108 | } |
- | ||
109 | |
107 | |
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110 | var s = new Stack<char>(); |
108 | var s = new Stack<char>(); |
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111 | var m = new StringBuilder(); |
109 | var m = new StringBuilder(); |
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112 | for (var i = 0; i < csv.Length; ++i) |
110 | for (var i = 0; i < csv.Length; ++i) |
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113 | { |
111 | { |
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114 | switch (csv[i]) |
112 | switch (csv[i]) |
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115 | { |
113 | { |
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116 | case ',': |
114 | case ',': |
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117 | if (!s.Any() || !s.Peek().Equals('"')) |
115 | if (!s.Any() || !s.Peek().Equals('"')) |
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118 | { |
116 | { |
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119 | yield return m.ToString(); |
117 | yield return m.ToString(); |
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120 | m = new StringBuilder(); |
118 | m = new StringBuilder(); |
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121 | continue; |
119 | continue; |
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122 | } |
120 | } |
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- | 121 | |
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123 | m.Append(csv[i]); |
122 | m.Append(csv[i]); |
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124 | continue; |
123 | continue; |
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125 | case '"': |
124 | case '"': |
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126 | if (i + 1 < csv.Length && csv[i].Equals(csv[i + 1])) |
125 | if (i + 1 < csv.Length && csv[i].Equals(csv[i + 1])) |
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127 | { |
126 | { |
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128 | m.Append(csv[i]); |
127 | m.Append(csv[i]); |
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129 | ++i; |
128 | ++i; |
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130 | continue; |
129 | continue; |
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131 | } |
130 | } |
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- | 131 | |
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132 | if (!s.Any() || !s.Peek().Equals(csv[i])) |
132 | if (!s.Any() || !s.Peek().Equals(csv[i])) |
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133 | { |
133 | { |
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134 | s.Push(csv[i]); |
134 | s.Push(csv[i]); |
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135 | continue; |
135 | continue; |
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136 | } |
136 | } |
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- | 137 | |
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137 | s.Pop(); |
138 | s.Pop(); |
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138 | continue; |
139 | continue; |
|
139 | } |
140 | } |
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- | 141 | |
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140 | m.Append(csv[i]); |
142 | m.Append(csv[i]); |
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141 | } |
143 | } |
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142 | |
144 | |
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143 | yield return m.ToString(); |
145 | yield return m.ToString(); |
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144 | } |
146 | } |
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145 | } |
147 | } |
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146 | } |
148 | } |
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147 | |
149 | |