Mercurial > hg > orthanc

annotate OrthancFramework/Sources/Lua/LuaContext.h @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents Core/Lua/LuaContext.h@e3b3af80732d
children bf7b9edf6b81
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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) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 // To have ORTHANC_ENABLE_LUA defined if using the shared library
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37 #include "../OrthancFramework.h"
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38
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39 #if !defined(ORTHANC_ENABLE_LUA)
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40 # error The macro ORTHANC_ENABLE_LUA must be defined
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41 #endif
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42
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43 #if !defined(ORTHANC_ENABLE_CURL)
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44 # error Macro ORTHANC_ENABLE_CURL must be defined
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45 #endif
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46
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47 #if ORTHANC_ENABLE_LUA == 0
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48 # error The Lua support is disabled, cannot include this file
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49 #endif
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50
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51 #if ORTHANC_ENABLE_CURL == 1
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52 # include "../HttpClient.h"
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53 #endif
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54
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55 extern "C"
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56 {
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57 #include <lua.h>
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58 }
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59
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60 #include <boost/noncopyable.hpp>
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61 #include <json/value.h>
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62
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63 namespace Orthanc
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64 {
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65 class ORTHANC_PUBLIC LuaContext : public boost::noncopyable
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66 {
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67 private:
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68 friend class LuaFunctionCall;
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69
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70 lua_State *lua_;
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71 std::string log_;
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72
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73 #if ORTHANC_ENABLE_CURL == 1
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74 HttpClient httpClient_;
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75 #endif
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76
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77 static int PrintToLog(lua_State *state);
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78 static int ParseJson(lua_State *state);
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79 static int DumpJson(lua_State *state);
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80
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81 #if ORTHANC_ENABLE_CURL == 1
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82 static int SetHttpCredentials(lua_State *state);
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83 static int CallHttpPostOrPut(lua_State *state,
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84 HttpMethod method);
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85 static int CallHttpGet(lua_State *state);
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86 static int CallHttpPost(lua_State *state);
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87 static int CallHttpPut(lua_State *state);
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88 static int CallHttpDelete(lua_State *state);
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89 #endif
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91 bool AnswerHttpQuery(lua_State* state);
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93 void ExecuteInternal(std::string* output,
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94 const std::string& command);
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95
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96 static void GetJson(Json::Value& result,
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97 lua_State* state,
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98 int top,
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99 bool keepStrings);
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100
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101 void SetHttpHeaders(int top);
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102
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103 public:
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104 LuaContext();
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105
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106 ~LuaContext();
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107
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108 void Execute(const std::string& command)
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109 {
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110 ExecuteInternal(NULL, command);
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111 }
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112
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113 void Execute(std::string& output,
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114 const std::string& command)
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115 {
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116 ExecuteInternal(&output, command);
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117 }
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118
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119 void Execute(Json::Value& output,
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120 const std::string& command);
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121
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122 bool IsExistingFunction(const char* name);
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123
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124 #if ORTHANC_ENABLE_CURL == 1
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125 void SetHttpCredentials(const char* username,
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126 const char* password)
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127 {
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128 httpClient_.SetCredentials(username, password);
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129 }
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130 #endif
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131
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132 void RegisterFunction(const char* name,
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133 lua_CFunction func);
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134
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135 void SetGlobalVariable(const char* name,
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136 void* value);
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137
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138 static LuaContext& GetLuaContext(lua_State *state);
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139
1437
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140 static const void* GetGlobalVariable(lua_State* state,
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141 const char* name);
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142
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143 void PushJson(const Json::Value& value);
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144
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145 static void GetDictionaryArgument(std::map<std::string, std::string>& target,
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146 lua_State* state,
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147 int top,
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148 bool keyToLowerCase);
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149 };
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150 }