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1 /**
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2 * Palantir - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #include "HttpHandler.h"
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22
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23 #include <string.h>
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24
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25 namespace Palantir
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26 {
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27 static void SplitGETNameValue(HttpHandler::Arguments& result,
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28 const char* start,
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29 const char* end)
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30 {
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31 const char* equal = strchr(start, '=');
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32 if (equal == NULL || equal >= end)
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33 {
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34 result.insert(std::make_pair(std::string(start, end - start), ""));
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35 }
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36 else
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37 {
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38 result.insert(std::make_pair(std::string(start, equal - start),
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39 std::string(equal + 1, end)));
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40 }
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41 }
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42
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43
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44 void HttpHandler::ParseGetQuery(HttpHandler::Arguments& result, const char* query)
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45 {
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46 const char* pos = query;
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47
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48 while (pos != NULL)
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49 {
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50 const char* ampersand = strchr(pos, '&');
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51 if (ampersand)
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52 {
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53 SplitGETNameValue(result, pos, ampersand);
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54 pos = ampersand + 1;
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55 }
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56 else
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57 {
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58 // No more ampersand, this is the last argument
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59 SplitGETNameValue(result, pos, pos + strlen(pos));
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60 pos = NULL;
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61 }
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62 }
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63 }
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64
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65
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66
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67 std::string HttpHandler::GetArgument(const Arguments& arguments,
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68 const std::string& name,
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69 const std::string& defaultValue)
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70 {
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71 Arguments::const_iterator it = arguments.find(name);
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72 if (it == arguments.end())
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73 {
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74 return defaultValue;
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75 }
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76 else
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77 {
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78 return it->second;
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79 }
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80 }
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81 }
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