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annotate OrthancFramework/Sources/Lua/LuaContext.h @ 5485:48b8dae6dc77

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 04 Jan 2024 15:10:42 +0100
parents 0ea402b4d901
children f7adfb22e20e
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2024 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #pragma once
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25
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26 // To have ORTHANC_ENABLE_LUA defined if using the shared library
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27 #include "../OrthancFramework.h"
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28
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29 #if !defined(ORTHANC_ENABLE_LUA)
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30 # error The macro ORTHANC_ENABLE_LUA must be defined
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31 #endif
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32
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33 #if !defined(ORTHANC_ENABLE_CURL)
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34 # error Macro ORTHANC_ENABLE_CURL must be defined
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35 #endif
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36
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37 #if ORTHANC_ENABLE_LUA == 0
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38 # error The Lua support is disabled, cannot include this file
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39 #endif
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40
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41 #if ORTHANC_ENABLE_CURL == 1
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42 # include "../HttpClient.h"
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43 #endif
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45 extern "C"
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46 {
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47 #include <lua.h>
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48 }
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49
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50 #include <boost/noncopyable.hpp>
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51 #include <json/value.h>
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52
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53 namespace Orthanc
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54 {
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55 class ORTHANC_PUBLIC LuaContext : public boost::noncopyable
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56 {
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57 private:
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58 friend class LuaFunctionCall;
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59
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60 lua_State *lua_;
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61 std::string log_;
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62
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63 #if ORTHANC_ENABLE_CURL == 1
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64 HttpClient httpClient_;
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65 #endif
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66
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67 static int PrintToLog(lua_State *state);
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68 static int ParseJson(lua_State *state);
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69 static int DumpJson(lua_State *state);
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70
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71 #if ORTHANC_ENABLE_CURL == 1
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72 static int SetHttpCredentials(lua_State *state);
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73 static int SetHttpTimeout(lua_State *state);
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74 static int CallHttpPostOrPut(lua_State *state,
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75 HttpMethod method);
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76 static int CallHttpGet(lua_State *state);
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77 static int CallHttpPost(lua_State *state);
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78 static int CallHttpPut(lua_State *state);
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79 static int CallHttpDelete(lua_State *state);
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80 #endif
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81
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82 bool AnswerHttpQuery(lua_State* state);
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83
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84 void ExecuteInternal(std::string* output,
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85 const std::string& command);
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86
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87 static void GetJson(Json::Value& result,
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88 lua_State* state,
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89 int top,
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90 bool keepStrings);
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91
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92 void SetHttpHeaders(int top);
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93
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94 public:
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95 LuaContext();
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96
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97 ~LuaContext();
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98
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99 void Execute(const std::string& command);
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100
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101 void Execute(std::string& output,
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102 const std::string& command);
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103
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104 void Execute(Json::Value& output,
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105 const std::string& command);
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106
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107 bool IsExistingFunction(const char* name);
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108
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109 void RegisterFunction(const char* name,
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110 lua_CFunction func);
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111
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112 void SetGlobalVariable(const char* name,
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113 void* value);
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114
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115 static LuaContext& GetLuaContext(lua_State *state);
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116
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117 static const void* GetGlobalVariable(lua_State* state,
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118 const char* name);
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119
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120 void PushJson(const Json::Value& value);
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121
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122 static void GetDictionaryArgument(std::map<std::string, std::string>& target,
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123 lua_State* state,
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124 int top,
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125 bool keyToLowerCase);
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126 };
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127 }