annotate Core/Lua/LuaContext.cpp @ 2401:a051aba0037c

Use "GBK" (frequently used in China) as an alias for "GB18030"
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 02 Sep 2017 11:50:08 +0200
parents 4900688827a8
children 878b59270859
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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 Osimis, 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 #include "../PrecompiledHeaders.h"
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35 #include "LuaContext.h"
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36
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37 #include "../Logging.h"
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38 #include "../OrthancException.h"
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39
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40 #include <set>
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41 #include <cassert>
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42 #include <boost/lexical_cast.hpp>
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43
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44 extern "C"
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45 {
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46 #include <lualib.h>
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47 #include <lauxlib.h>
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48 }
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49
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50 namespace Orthanc
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51 {
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52 static bool OnlyContainsDigits(const std::string& s)
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53 {
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54 for (size_t i = 0; i < s.size(); i++)
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55 {
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56 if (!isdigit(s[i]))
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57 {
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58 return false;
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59 }
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60 }
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61
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62 return true;
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63 }
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64
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65 LuaContext& LuaContext::GetLuaContext(lua_State *state)
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66 {
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67 const void* value = GetGlobalVariable(state, "_LuaContext");
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68 assert(value != NULL);
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69
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70 return *const_cast<LuaContext*>(reinterpret_cast<const LuaContext*>(value));
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71 }
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72
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73 int LuaContext::PrintToLog(lua_State *state)
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74 {
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75 LuaContext& that = GetLuaContext(state);
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76
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77 // http://medek.wordpress.com/2009/02/03/wrapping-lua-errors-and-print-function/
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78 int nArgs = lua_gettop(state);
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79 lua_getglobal(state, "tostring");
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80
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81 // Make sure you start at 1 *NOT* 0 for arrays in Lua.
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82 std::string result;
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83
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84 for (int i = 1; i <= nArgs; i++)
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85 {
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86 const char *s;
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87 lua_pushvalue(state, -1);
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88 lua_pushvalue(state, i);
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89 lua_call(state, 1, 1);
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90 s = lua_tostring(state, -1);
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91
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92 if (result.size() > 0)
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93 result.append(", ");
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94
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95 if (s == NULL)
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96 result.append("<No conversion to string>");
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97 else
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98 result.append(s);
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99
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100 lua_pop(state, 1);
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101 }
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102
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103 LOG(WARNING) << "Lua says: " << result;
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104 that.log_.append(result);
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105 that.log_.append("\n");
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106
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107 return 0;
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108 }
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109
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110
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111 int LuaContext::ParseJson(lua_State *state)
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112 {
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113 LuaContext& that = GetLuaContext(state);
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114
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115 int nArgs = lua_gettop(state);
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116 if (nArgs != 1 ||
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117 !lua_isstring(state, 1)) // Password
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118 {
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119 lua_pushnil(state);
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120 return 1;
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121 }
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122
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123 const char* str = lua_tostring(state, 1);
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124
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125 Json::Value value;
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126 Json::Reader reader;
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127 if (reader.parse(str, str + strlen(str), value))
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128 {
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129 that.PushJson(value);
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130 }
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131 else
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132 {
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133 lua_pushnil(state);
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134 }
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135
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136 return 1;
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137 }
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138
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139
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140 int LuaContext::DumpJson(lua_State *state)
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141 {
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142 LuaContext& that = GetLuaContext(state);
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143
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144 int nArgs = lua_gettop(state);
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145 if ((nArgs != 1 && nArgs != 2) ||
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146 (nArgs == 2 && !lua_isboolean(state, 2)))
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147 {
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148 lua_pushnil(state);
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149 return 1;
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150 }
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151
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152 bool keepStrings = false;
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153 if (nArgs == 2)
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154 {
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155 keepStrings = lua_toboolean(state, 2) ? true : false;
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156 }
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157
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158 Json::Value json;
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159 that.GetJson(json, 1, keepStrings);
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160
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161 Json::FastWriter writer;
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162 std::string s = writer.write(json);
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163 lua_pushlstring(state, s.c_str(), s.size());
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164
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165 return 1;
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166 }
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167
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168
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169 int LuaContext::SetHttpCredentials(lua_State *state)
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170 {
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171 LuaContext& that = GetLuaContext(state);
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172
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173 // Check the types of the arguments
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174 int nArgs = lua_gettop(state);
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175 if (nArgs != 2 ||
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176 !lua_isstring(state, 1) || // Username
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177 !lua_isstring(state, 2)) // Password
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178 {
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179 LOG(ERROR) << "Lua: Bad parameters to SetHttpCredentials()";
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180 }
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181 else
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182 {
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183 // Configure the HTTP client
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184 const char* username = lua_tostring(state, 1);
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185 const char* password = lua_tostring(state, 2);
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186 that.httpClient_.SetCredentials(username, password);
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187 }
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188
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189 return 0;
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190 }
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191
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192
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193 bool LuaContext::AnswerHttpQuery(lua_State* state)
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194 {
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195 std::string str;
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196
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197 try
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198 {
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199 httpClient_.Apply(str);
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200 }
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201 catch (OrthancException&)
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202 {
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203 return false;
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204 }
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205
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206 // Return the result of the HTTP request
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207 lua_pushlstring(state, str.c_str(), str.size());
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208
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209 return true;
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210 }
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211
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212 void LuaContext::SetHttpHeaders(lua_State *state, int top)
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213 {
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214 this->httpClient_.ClearHeaders(); // always reset headers in case they have been set in a previous request
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215
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216 if (lua_gettop(state) >= top)
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217 {
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218 Json::Value headers;
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219 this->GetJson(headers, top, true);
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220
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221 Json::Value::Members members = headers.getMemberNames();
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222
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223 for (Json::Value::Members::const_iterator
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224 it = members.begin(); it != members.end(); ++it)
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225 {
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226 this->httpClient_.AddHeader(*it, headers[*it].asString());
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227 }
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228 }
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229
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230 }
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231
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232
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233
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234 int LuaContext::CallHttpGet(lua_State *state)
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235 {
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236 LuaContext& that = GetLuaContext(state);
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237
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238 // Check the types of the arguments
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239 int nArgs = lua_gettop(state);
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240 if ((nArgs < 1 || nArgs > 2) || // check args count
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241 !lua_isstring(state, 1)) // URL is a string
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242 {
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243 LOG(ERROR) << "Lua: Bad parameters to HttpGet()";
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244 lua_pushnil(state);
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245 return 1;
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246 }
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247
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248 // Configure the HTTP client class
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249 const char* url = lua_tostring(state, 1);
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250 that.httpClient_.SetMethod(HttpMethod_Get);
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251 that.httpClient_.SetUrl(url);
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252 that.httpClient_.GetBody().clear();
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253 that.SetHttpHeaders(state, 2);
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254
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255 // Do the HTTP GET request
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256 if (!that.AnswerHttpQuery(state))
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257 {
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258 LOG(ERROR) << "Lua: Error in HttpGet() for URL " << url;
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259 lua_pushnil(state);
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260 }
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261
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262 return 1;
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263 }
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264
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265
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266 int LuaContext::CallHttpPostOrPut(lua_State *state,
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267 HttpMethod method)
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268 {
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269 LuaContext& that = GetLuaContext(state);
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270
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271 // Check the types of the arguments
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272 int nArgs = lua_gettop(state);
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273 if ((nArgs < 1 || nArgs > 3) || // check arg count
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274 !lua_isstring(state, 1) || // URL is a string
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275 (nArgs >= 2 && (!lua_isstring(state, 2) && !lua_isnil(state, 2)))) // Body data is null or is a string
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276 {
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277 LOG(ERROR) << "Lua: Bad parameters to HttpPost() or HttpPut()";
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278 lua_pushnil(state);
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279 return 1;
92f4bf2c5d73 HTTP GET in Lua
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280 }
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
281
1052
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diff changeset
282 // Configure the HTTP client class
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diff changeset
283 const char* url = lua_tostring(state, 1);
cc4ff680e2a0 http requests in lua
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284 that.httpClient_.SetMethod(method);
cc4ff680e2a0 http requests in lua
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diff changeset
285 that.httpClient_.SetUrl(url);
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286 that.SetHttpHeaders(state, 3);
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diff changeset
287
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diff changeset
288 if (nArgs >= 2 && !lua_isnil(state, 2))
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diff changeset
289 {
1606
31f4adefb88f issuing HTTP requests from the plugin SDK
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diff changeset
290 that.httpClient_.SetBody(lua_tostring(state, 2));
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diff changeset
291 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
292 else
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
293 {
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31f4adefb88f issuing HTTP requests from the plugin SDK
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diff changeset
294 that.httpClient_.GetBody().clear();
1052
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diff changeset
295 }
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
296
cc4ff680e2a0 http requests in lua
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diff changeset
297 // Do the HTTP POST/PUT request
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diff changeset
298 if (!that.AnswerHttpQuery(state))
1052
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diff changeset
299 {
cc4ff680e2a0 http requests in lua
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300 LOG(ERROR) << "Lua: Error in HttpPost() or HttpPut() for URL " << url;
1438
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diff changeset
301 lua_pushnil(state);
1052
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diff changeset
302 }
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
303
cc4ff680e2a0 http requests in lua
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diff changeset
304 return 1;
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
305 }
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
306
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
307
cc4ff680e2a0 http requests in lua
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diff changeset
308 int LuaContext::CallHttpPost(lua_State *state)
cc4ff680e2a0 http requests in lua
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diff changeset
309 {
cc4ff680e2a0 http requests in lua
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diff changeset
310 return CallHttpPostOrPut(state, HttpMethod_Post);
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
311 }
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
312
cc4ff680e2a0 http requests in lua
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diff changeset
313
cc4ff680e2a0 http requests in lua
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diff changeset
314 int LuaContext::CallHttpPut(lua_State *state)
cc4ff680e2a0 http requests in lua
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diff changeset
315 {
cc4ff680e2a0 http requests in lua
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diff changeset
316 return CallHttpPostOrPut(state, HttpMethod_Put);
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
317 }
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
318
cc4ff680e2a0 http requests in lua
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diff changeset
319
cc4ff680e2a0 http requests in lua
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diff changeset
320 int LuaContext::CallHttpDelete(lua_State *state)
cc4ff680e2a0 http requests in lua
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diff changeset
321 {
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
322 LuaContext& that = GetLuaContext(state);
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
323
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
324 // Check the types of the arguments
cc4ff680e2a0 http requests in lua
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diff changeset
325 int nArgs = lua_gettop(state);
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amazy
parents: 2244
diff changeset
326 if (nArgs < 1 || nArgs > 2 || !lua_isstring(state, 1)) // URL
1052
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parents: 1051
diff changeset
327 {
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
328 LOG(ERROR) << "Lua: Bad parameters to HttpDelete()";
1438
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parents: 1437
diff changeset
329 lua_pushnil(state);
1052
cc4ff680e2a0 http requests in lua
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diff changeset
330 return 1;
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
331 }
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
332
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
333 // Configure the HTTP client class
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
334 const char* url = lua_tostring(state, 1);
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
335 that.httpClient_.SetMethod(HttpMethod_Delete);
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
336 that.httpClient_.SetUrl(url);
2258
cd70a86618b4 added Http headers support to HttpPost/Get/Put/Delete
amazy
parents: 2244
diff changeset
337 that.httpClient_.GetBody().clear();
cd70a86618b4 added Http headers support to HttpPost/Get/Put/Delete
amazy
parents: 2244
diff changeset
338 that.SetHttpHeaders(state, 2);
1052
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
339
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
340 // Do the HTTP DELETE request
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
341 std::string s;
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
342 if (!that.httpClient_.Apply(s))
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
343 {
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
344 LOG(ERROR) << "Lua: Error in HttpDelete() for URL " << url;
1438
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1437
diff changeset
345 lua_pushnil(state);
1052
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
346 }
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
347 else
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
348 {
cc4ff680e2a0 http requests in lua
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parents: 1051
diff changeset
349 lua_pushstring(state, "SUCCESS");
1051
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
350 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
351
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
352 return 1;
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
353 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
354
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
355
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
356 void LuaContext::PushJson(const Json::Value& value)
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
357 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
358 if (value.isString())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
359 {
1465
905842836ad4 sample Lua script to write DICOM series to disk
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1448
diff changeset
360 const std::string s = value.asString();
905842836ad4 sample Lua script to write DICOM series to disk
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1448
diff changeset
361 lua_pushlstring(lua_, s.c_str(), s.size());
1051
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
362 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
363 else if (value.isDouble())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
364 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
365 lua_pushnumber(lua_, value.asDouble());
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
366 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
367 else if (value.isInt())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
368 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
369 lua_pushinteger(lua_, value.asInt());
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
370 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
371 else if (value.isUInt())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
372 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
373 lua_pushinteger(lua_, value.asUInt());
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
374 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
375 else if (value.isBool())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
376 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
377 lua_pushboolean(lua_, value.asBool());
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
378 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
379 else if (value.isNull())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
380 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
381 lua_pushnil(lua_);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
382 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
383 else if (value.isArray())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
384 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
385 lua_newtable(lua_);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
386
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
387 // http://lua-users.org/wiki/SimpleLuaApiExample
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
388 for (Json::Value::ArrayIndex i = 0; i < value.size(); i++)
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
389 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
390 // Push the table index (note the "+1" because of Lua conventions)
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
391 lua_pushnumber(lua_, i + 1);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
392
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
393 // Push the value of the cell
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
394 PushJson(value[i]);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
395
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
396 // Stores the pair in the table
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
397 lua_rawset(lua_, -3);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
398 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
399 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
400 else if (value.isObject())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
401 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
402 lua_newtable(lua_);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
403
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
404 Json::Value::Members members = value.getMemberNames();
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
405
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
406 for (Json::Value::Members::const_iterator
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
407 it = members.begin(); it != members.end(); ++it)
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
408 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
409 // Push the index of the cell
1465
905842836ad4 sample Lua script to write DICOM series to disk
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1448
diff changeset
410 lua_pushlstring(lua_, it->c_str(), it->size());
1051
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
411
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
412 // Push the value of the cell
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
413 PushJson(value[*it]);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
414
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
415 // Stores the pair in the table
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
416 lua_rawset(lua_, -3);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
417 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
418 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
419 else
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
420 {
1583
9ea3d082b064 got rid of custom exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1545
diff changeset
421 throw OrthancException(ErrorCode_JsonToLuaTable);
1051
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
422 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
423 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
424
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
425
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
426 void LuaContext::GetJson(Json::Value& result,
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
427 int top,
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
428 bool keepStrings)
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
429 {
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
430 if (lua_istable(lua_, top))
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
431 {
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
432 Json::Value tmp = Json::objectValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
433 bool isArray = true;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
434 size_t size = 0;
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
435
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
436 // Code adapted from: http://stackoverflow.com/a/6142700/881731
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
437
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
438 // Push another reference to the table on top of the stack (so we know
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
439 // where it is, and this function can work for negative, positive and
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
440 // pseudo indices
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
441 lua_pushvalue(lua_, top);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
442 // stack now contains: -1 => table
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
443 lua_pushnil(lua_);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
444 // stack now contains: -1 => nil; -2 => table
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
445 while (lua_next(lua_, -2))
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
446 {
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
447 // stack now contains: -1 => value; -2 => key; -3 => table
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
448 // copy the key so that lua_tostring does not modify the original
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
449 lua_pushvalue(lua_, -2);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
450 // stack now contains: -1 => key; -2 => value; -3 => key; -4 => table
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
451 std::string key(lua_tostring(lua_, -1));
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
452 Json::Value v;
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
453 GetJson(v, -2, keepStrings);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
454
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
455 tmp[key] = v;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
456
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
457 size += 1;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
458 try
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
459 {
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
460 if (!OnlyContainsDigits(key) ||
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
461 boost::lexical_cast<size_t>(key) != size)
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
462 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
463 isArray = false;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
464 }
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
465 }
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
466 catch (boost::bad_lexical_cast&)
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
467 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
468 isArray = false;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
469 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
470
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
471 // pop value + copy of key, leaving original key
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
472 lua_pop(lua_, 2);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
473 // stack now contains: -1 => key; -2 => table
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
474 }
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
475 // stack now contains: -1 => table (when lua_next returns 0 it pops the key
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
476 // but does not push anything.)
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
477 // Pop table
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
478 lua_pop(lua_, 1);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
479
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
480 // Stack is now the same as it was on entry to this function
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
481
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
482 if (isArray)
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
483 {
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
484 result = Json::arrayValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
485 for (size_t i = 0; i < size; i++)
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
486 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
487 result.append(tmp[boost::lexical_cast<std::string>(i + 1)]);
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
488 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
489 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
490 else
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
491 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
492 result = tmp;
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
493 }
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
494 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
495 else if (lua_isnil(lua_, top))
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
496 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
497 result = Json::nullValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
498 }
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
499 else if (!keepStrings &&
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
500 lua_isboolean(lua_, top))
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
501 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
502 result = lua_toboolean(lua_, top) ? true : false;
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
503 }
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
504 else if (!keepStrings &&
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
505 lua_isnumber(lua_, top))
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
506 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
507 // Convert to "int" if truncation does not loose precision
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
508 double value = static_cast<double>(lua_tonumber(lua_, top));
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
509 int truncated = static_cast<int>(value);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
510
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
511 if (std::abs(value - static_cast<double>(truncated)) <=
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
512 std::numeric_limits<double>::epsilon())
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
513 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
514 result = truncated;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
515 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
516 else
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
517 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
518 result = value;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
519 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
520 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
521 else if (lua_isstring(lua_, top))
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
522 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
523 // Caution: The "lua_isstring()" case must be the last, since
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
524 // Lua can convert most types to strings by default.
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
525 result = std::string(lua_tostring(lua_, top));
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
526 }
2220
0fb6e0461105 fix handling of Booleans in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
527 else if (lua_isboolean(lua_, top))
0fb6e0461105 fix handling of Booleans in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
528 {
0fb6e0461105 fix handling of Booleans in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
529 result = lua_toboolean(lua_, top) ? true : false;
0fb6e0461105 fix handling of Booleans in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
530 }
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
531 else
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
532 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
533 LOG(WARNING) << "Unsupported Lua type when returning Json";
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
534 result = Json::nullValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
535 }
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
536 }
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
537
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
538
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
539 LuaContext::LuaContext()
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
540 {
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
541 lua_ = luaL_newstate();
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
542 if (!lua_)
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
543 {
1583
9ea3d082b064 got rid of custom exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1545
diff changeset
544 throw OrthancException(ErrorCode_CannotCreateLua);
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
545 }
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
546
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
547 luaL_openlibs(lua_);
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
548 lua_register(lua_, "print", PrintToLog);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
549 lua_register(lua_, "ParseJson", ParseJson);
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
550 lua_register(lua_, "DumpJson", DumpJson);
1051
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
551 lua_register(lua_, "HttpGet", CallHttpGet);
1052
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
552 lua_register(lua_, "HttpPost", CallHttpPost);
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
553 lua_register(lua_, "HttpPut", CallHttpPut);
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
554 lua_register(lua_, "HttpDelete", CallHttpDelete);
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
555 lua_register(lua_, "SetHttpCredentials", SetHttpCredentials);
1437
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
556
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
557 SetGlobalVariable("_LuaContext", this);
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
558 }
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
559
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
560
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
561 LuaContext::~LuaContext()
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
562 {
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
563 lua_close(lua_);
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
564 }
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
565
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
566
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
567 void LuaContext::ExecuteInternal(std::string* output,
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
568 const std::string& command)
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
569 {
418
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
570 log_.clear();
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
571 int error = (luaL_loadbuffer(lua_, command.c_str(), command.size(), "line") ||
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
572 lua_pcall(lua_, 0, 0, 0));
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
573
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
574 if (error)
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
575 {
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
576 assert(lua_gettop(lua_) >= 1);
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
577
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
578 std::string description(lua_tostring(lua_, -1));
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
579 lua_pop(lua_, 1); /* pop error message from the stack */
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
580 LOG(ERROR) << "Error while executing Lua script: " << description;
1583
9ea3d082b064 got rid of custom exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1545
diff changeset
581 throw OrthancException(ErrorCode_CannotExecuteLua);
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
582 }
418
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
583
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
584 if (output != NULL)
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
585 {
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
586 *output = log_;
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
587 }
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
588 }
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
589
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
590
2379
4900688827a8 reorganization in CMake
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2262
diff changeset
591 #if ORTHANC_HAS_EMBEDDED_RESOURCES == 1
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
592 void LuaContext::Execute(EmbeddedResources::FileResourceId resource)
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
593 {
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
594 std::string command;
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
595 EmbeddedResources::GetFileResource(command, resource);
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
596 ExecuteInternal(NULL, command);
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
597 }
2379
4900688827a8 reorganization in CMake
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2262
diff changeset
598 #endif
397
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
599
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
600
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
601 bool LuaContext::IsExistingFunction(const char* name)
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
602 {
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
603 lua_settop(lua_, 0);
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
604 lua_getglobal(lua_, name);
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
605 return lua_type(lua_, -1) == LUA_TFUNCTION;
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
606 }
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
607
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
608
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
609 void LuaContext::Execute(Json::Value& output,
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
610 const std::string& command)
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
611 {
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
612 std::string s;
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
613 ExecuteInternal(&s, command);
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
614
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
615 Json::Reader reader;
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
616 if (!reader.parse(s, output))
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
617 {
1596
f2e3d030ea59 BadJson error code
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1583
diff changeset
618 throw OrthancException(ErrorCode_BadJson);
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
619 }
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
620 }
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
621
1437
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
622
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
623 void LuaContext::RegisterFunction(const char* name,
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
624 lua_CFunction func)
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
625 {
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
626 lua_register(lua_, name, func);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
627 }
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
628
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
629
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
630 void LuaContext::SetGlobalVariable(const char* name,
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
631 void* value)
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
632 {
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
633 lua_pushlightuserdata(lua_, value);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
634 lua_setglobal(lua_, name);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
635 }
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
636
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
637
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
638 const void* LuaContext::GetGlobalVariable(lua_State* state,
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
639 const char* name)
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
640 {
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
641 lua_getglobal(state, name);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
642 assert(lua_type(state, -1) == LUA_TLIGHTUSERDATA);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
643 const void* value = lua_topointer(state, -1);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
644 lua_pop(state, 1);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
645 return value;
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
646 }
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
647 }