1 | package org.json;
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2 |
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3 | /*
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4 | Copyright (c) 2002 JSON.org
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5 |
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6 | Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | of this software and associated documentation files (the "Software"), to deal
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8 | in the Software without restriction, including without limitation the rights
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9 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | copies of the Software, and to permit persons to whom the Software is
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11 | furnished to do so, subject to the following conditions:
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12 |
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13 | The above copyright notice and this permission notice shall be included in all
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14 | copies or substantial portions of the Software.
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15 |
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16 | The Software shall be used for Good, not Evil.
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17 |
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18 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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19 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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21 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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22 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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23 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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24 | SOFTWARE.
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25 | */
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26 |
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27 | /**
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28 | * The HTTPTokener extends the JSONTokener to provide additional methods
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29 | * for the parsing of HTTP headers.
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30 | * @author JSON.org
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31 | * @version 2010-12-24
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32 | */
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33 | public class HTTPTokener extends JSONTokener {
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34 |
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35 | /**
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36 | * Construct an HTTPTokener from a string.
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37 | * @param string A source string.
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38 | */
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39 | public HTTPTokener(String string) {
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40 | super(string);
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41 | }
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42 |
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43 |
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44 | /**
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45 | * Get the next token or string. This is used in parsing HTTP headers.
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46 | * @throws JSONException
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47 | * @return A String.
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48 | */
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49 | public String nextToken() throws JSONException {
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50 | char c;
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51 | char q;
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52 | StringBuffer sb = new StringBuffer();
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53 | do {
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54 | c = next();
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55 | } while (Character.isWhitespace(c));
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56 | if (c == '"' || c == '\'') {
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57 | q = c;
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58 | for (;;) {
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59 | c = next();
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60 | if (c < ' ') {
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61 | throw syntaxError("Unterminated string.");
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62 | }
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63 | if (c == q) {
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64 | return sb.toString();
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65 | }
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66 | sb.append(c);
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67 | }
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68 | }
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69 | for (;;) {
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70 | if (c == 0 || Character.isWhitespace(c)) {
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71 | return sb.toString();
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72 | }
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73 | sb.append(c);
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74 | c = next();
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75 | }
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76 | }
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77 | }
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