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| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using System.Text; |
| 4 | +using System.Text.RegularExpressions; |
| 5 | +using System.Windows; |
| 6 | +using System.Windows.Controls; |
| 7 | +using DevTools.Helpers; |
| 8 | +using DevTools.Resources; |
| 9 | +using MessageBox = System.Windows.MessageBox; |
| 10 | + |
| 11 | +namespace DevTools.Pages |
| 12 | +{ |
| 13 | + public partial class EscapePage : Page |
| 14 | + { |
| 15 | + public EscapePage() |
| 16 | + { |
| 17 | + InitializeComponent(); |
| 18 | + LoadState(); |
| 19 | + } |
| 20 | + |
| 21 | + private void Back_Click(object sender, RoutedEventArgs e) |
| 22 | + { |
| 23 | + SaveState(); |
| 24 | + NavigationService?.Navigate(new HomePage()); |
| 25 | + } |
| 26 | + |
| 27 | + private void SaveState() |
| 28 | + { |
| 29 | + var state = new Dictionary<string, string> |
| 30 | + { |
| 31 | + { "InputText", InputText.Text ?? string.Empty }, |
| 32 | + { "OutputText", OutputText.Text ?? string.Empty } |
| 33 | + }; |
| 34 | + PageStateManager.SavePageState(this, state); |
| 35 | + } |
| 36 | + |
| 37 | + private void LoadState() |
| 38 | + { |
| 39 | + var state = PageStateManager.GetPageState(this); |
| 40 | + if (state != null) |
| 41 | + { |
| 42 | + InputText.Text = state.GetValueOrDefault("InputText", string.Empty); |
| 43 | + OutputText.Text = state.GetValueOrDefault("OutputText", string.Empty); |
| 44 | + } |
| 45 | + } |
| 46 | + |
| 47 | + private void Escape_Click(object sender, RoutedEventArgs e) |
| 48 | + { |
| 49 | + try |
| 50 | + { |
| 51 | + var input = InputText.Text; |
| 52 | + if (string.IsNullOrWhiteSpace(input)) |
| 53 | + { |
| 54 | + MessageBox.Show(Strings.InputEmpty, Strings.Error, MessageBoxButton.OK, MessageBoxImage.Warning); |
| 55 | + return; |
| 56 | + } |
| 57 | + |
| 58 | + var escaped = EscapeString(input); |
| 59 | + OutputText.Text = escaped; |
| 60 | + } |
| 61 | + catch (Exception ex) |
| 62 | + { |
| 63 | + MessageBox.Show($"{Strings.EncodeFailed}: {ex.Message}", Strings.Error, MessageBoxButton.OK, MessageBoxImage.Error); |
| 64 | + } |
| 65 | + } |
| 66 | + |
| 67 | + private void Unescape_Click(object sender, RoutedEventArgs e) |
| 68 | + { |
| 69 | + try |
| 70 | + { |
| 71 | + var input = InputText.Text; |
| 72 | + if (string.IsNullOrWhiteSpace(input)) |
| 73 | + { |
| 74 | + MessageBox.Show(Strings.InputEmpty, Strings.Error, MessageBoxButton.OK, MessageBoxImage.Warning); |
| 75 | + return; |
| 76 | + } |
| 77 | + |
| 78 | + var unescaped = UnescapeString(input); |
| 79 | + OutputText.Text = unescaped; |
| 80 | + } |
| 81 | + catch (Exception ex) |
| 82 | + { |
| 83 | + MessageBox.Show($"{Strings.DecodeFailed}: {ex.Message}", Strings.Error, MessageBoxButton.OK, MessageBoxImage.Error); |
| 84 | + } |
| 85 | + } |
| 86 | + |
| 87 | + private void CopyOutput_Click(object sender, RoutedEventArgs e) |
| 88 | + { |
| 89 | + try |
| 90 | + { |
| 91 | + var output = OutputText.Text; |
| 92 | + if (string.IsNullOrWhiteSpace(output)) |
| 93 | + { |
| 94 | + MessageBox.Show(Strings.OutputEmpty, Strings.Error, MessageBoxButton.OK, MessageBoxImage.Warning); |
| 95 | + return; |
| 96 | + } |
| 97 | + |
| 98 | + ClipboardHelper.CopyWithFeedback(output, null); |
| 99 | + } |
| 100 | + catch (Exception ex) |
| 101 | + { |
| 102 | + MessageBox.Show($"{Strings.SaveFailed}: {ex.Message}", Strings.Error, MessageBoxButton.OK, MessageBoxImage.Error); |
| 103 | + } |
| 104 | + } |
| 105 | + |
| 106 | + private string EscapeString(string input) |
| 107 | + { |
| 108 | + var sb = new StringBuilder(); |
| 109 | + foreach (char c in input) |
| 110 | + { |
| 111 | + switch (c) |
| 112 | + { |
| 113 | + case '\a': |
| 114 | + sb.Append("\\a"); |
| 115 | + break; |
| 116 | + case '\b': |
| 117 | + sb.Append("\\b"); |
| 118 | + break; |
| 119 | + case '\f': |
| 120 | + sb.Append("\\f"); |
| 121 | + break; |
| 122 | + case '\n': |
| 123 | + sb.Append("\\n"); |
| 124 | + break; |
| 125 | + case '\r': |
| 126 | + sb.Append("\\r"); |
| 127 | + break; |
| 128 | + case '\t': |
| 129 | + sb.Append("\\t"); |
| 130 | + break; |
| 131 | + case '\v': |
| 132 | + sb.Append("\\v"); |
| 133 | + break; |
| 134 | + case '\\': |
| 135 | + sb.Append("\\\\"); |
| 136 | + break; |
| 137 | + case '\"': |
| 138 | + sb.Append("\\\""); |
| 139 | + break; |
| 140 | + case '\'': |
| 141 | + sb.Append("\\'"); |
| 142 | + break; |
| 143 | + default: |
| 144 | + if (c >= 32 && c <= 126) |
| 145 | + { |
| 146 | + sb.Append(c); |
| 147 | + } |
| 148 | + else |
| 149 | + { |
| 150 | + sb.Append($"\\u{(int)c:X4}"); |
| 151 | + } |
| 152 | + break; |
| 153 | + } |
| 154 | + } |
| 155 | + return sb.ToString(); |
| 156 | + } |
| 157 | + |
| 158 | + private string UnescapeString(string input) |
| 159 | + { |
| 160 | + var sb = new StringBuilder(); |
| 161 | + for (int i = 0; i < input.Length; i++) |
| 162 | + { |
| 163 | + char c = input[i]; |
| 164 | + |
| 165 | + if (c == '\\' && i + 1 < input.Length) |
| 166 | + { |
| 167 | + char next = input[i + 1]; |
| 168 | + switch (next) |
| 169 | + { |
| 170 | + case 'a': |
| 171 | + sb.Append('\a'); |
| 172 | + i++; |
| 173 | + break; |
| 174 | + case 'b': |
| 175 | + sb.Append('\b'); |
| 176 | + i++; |
| 177 | + break; |
| 178 | + case 'f': |
| 179 | + sb.Append('\f'); |
| 180 | + i++; |
| 181 | + break; |
| 182 | + case 'n': |
| 183 | + sb.Append('\n'); |
| 184 | + i++; |
| 185 | + break; |
| 186 | + case 'r': |
| 187 | + sb.Append('\r'); |
| 188 | + i++; |
| 189 | + break; |
| 190 | + case 't': |
| 191 | + sb.Append('\t'); |
| 192 | + i++; |
| 193 | + break; |
| 194 | + case 'v': |
| 195 | + sb.Append('\v'); |
| 196 | + i++; |
| 197 | + break; |
| 198 | + case '\\': |
| 199 | + sb.Append('\\'); |
| 200 | + i++; |
| 201 | + break; |
| 202 | + case '"': |
| 203 | + sb.Append('"'); |
| 204 | + i++; |
| 205 | + break; |
| 206 | + case '\'': |
| 207 | + sb.Append('\''); |
| 208 | + i++; |
| 209 | + break; |
| 210 | + case '/': |
| 211 | + // JSON 风格的转义:\/ -> / |
| 212 | + sb.Append('/'); |
| 213 | + i++; |
| 214 | + break; |
| 215 | + case 'u': |
| 216 | + if (i + 5 < input.Length) |
| 217 | + { |
| 218 | + var hex = input.Substring(i + 2, 4); |
| 219 | + if (ushort.TryParse(hex, System.Globalization.NumberStyles.HexNumber, null, out ushort unicode)) |
| 220 | + { |
| 221 | + sb.Append((char)unicode); |
| 222 | + i += 5; |
| 223 | + break; |
| 224 | + } |
| 225 | + } |
| 226 | + sb.Append(c); |
| 227 | + break; |
| 228 | + default: |
| 229 | + // 其他情况保留反斜杠 |
| 230 | + sb.Append(c); |
| 231 | + break; |
| 232 | + } |
| 233 | + } |
| 234 | + else |
| 235 | + { |
| 236 | + sb.Append(c); |
| 237 | + } |
| 238 | + } |
| 239 | + return sb.ToString(); |
| 240 | + } |
| 241 | + } |
| 242 | +} |
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