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