Mercurial > hg > orthanc

annotate Core/Lua/LuaContext.cpp @ 3530:b26b6ea27648

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 02 Oct 2019 11:13:32 +0200
parents dd1e68f2d0c0
children 94f4a18a79cc
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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) 2017-2019 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 #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 #include "../Toolbox.h"
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40
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41 #include <set>
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42 #include <cassert>
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43 #include <boost/lexical_cast.hpp>
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44
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45 extern "C"
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46 {
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47 #include <lualib.h>
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48 #include <lauxlib.h>
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49 }
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50
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51 namespace Orthanc
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52 {
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53 static bool OnlyContainsDigits(const std::string& s)
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54 {
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55 for (size_t i = 0; i < s.size(); i++)
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56 {
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57 if (!isdigit(s[i]))
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58 {
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59 return false;
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60 }
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61 }
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62
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63 return true;
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64 }
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65
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66 LuaContext& LuaContext::GetLuaContext(lua_State *state)
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67 {
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68 const void* value = GetGlobalVariable(state, "_LuaContext");
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69 assert(value != NULL);
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70
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71 return *const_cast<LuaContext*>(reinterpret_cast<const LuaContext*>(value));
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72 }
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73
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74 int LuaContext::PrintToLog(lua_State *state)
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75 {
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76 LuaContext& that = GetLuaContext(state);
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77
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78 // http://medek.wordpress.com/2009/02/03/wrapping-lua-errors-and-print-function/
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79 int nArgs = lua_gettop(state);
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80 lua_getglobal(state, "tostring");
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81
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82 // Make sure you start at 1 *NOT* 0 for arrays in Lua.
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83 std::string result;
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84
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85 for (int i = 1; i <= nArgs; i++)
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86 {
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87 const char *s;
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88 lua_pushvalue(state, -1);
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89 lua_pushvalue(state, i);
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90 lua_call(state, 1, 1);
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91 s = lua_tostring(state, -1);
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92
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93 if (result.size() > 0)
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94 result.append(", ");
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95
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96 if (s == NULL)
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97 result.append("<No conversion to string>");
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98 else
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99 result.append(s);
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100
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101 lua_pop(state, 1);
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102 }
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103
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104 LOG(WARNING) << "Lua says: " << result;
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105 that.log_.append(result);
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106 that.log_.append("\n");
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107
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108 return 0;
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109 }
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110
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111
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112 int LuaContext::ParseJson(lua_State *state)
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113 {
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114 LuaContext& that = GetLuaContext(state);
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115
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116 int nArgs = lua_gettop(state);
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117 if (nArgs != 1 ||
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118 !lua_isstring(state, 1)) // Password
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119 {
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120 lua_pushnil(state);
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121 return 1;
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122 }
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123
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124 const char* str = lua_tostring(state, 1);
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125
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126 Json::Value value;
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127 Json::Reader reader;
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128 if (reader.parse(str, str + strlen(str), value))
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129 {
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130 that.PushJson(value);
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131 }
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132 else
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133 {
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134 lua_pushnil(state);
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135 }
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136
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137 return 1;
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138 }
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139
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140
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141 int LuaContext::DumpJson(lua_State *state)
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142 {
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143 LuaContext& that = GetLuaContext(state);
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144
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145 int nArgs = lua_gettop(state);
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146 if ((nArgs != 1 && nArgs != 2) ||
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147 (nArgs == 2 && !lua_isboolean(state, 2)))
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148 {
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149 lua_pushnil(state);
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150 return 1;
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151 }
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152
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153 bool keepStrings = false;
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154 if (nArgs == 2)
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155 {
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156 keepStrings = lua_toboolean(state, 2) ? true : false;
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157 }
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158
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159 Json::Value json;
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160 that.GetJson(json, state, 1, keepStrings);
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161
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162 Json::FastWriter writer;
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163 std::string s = writer.write(json);
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164 lua_pushlstring(state, s.c_str(), s.size());
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165
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166 return 1;
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167 }
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168
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169
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170 int LuaContext::SetHttpCredentials(lua_State *state)
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171 {
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172 LuaContext& that = GetLuaContext(state);
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173
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174 // Check the types of the arguments
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175 int nArgs = lua_gettop(state);
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176 if (nArgs != 2 ||
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177 !lua_isstring(state, 1) || // Username
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178 !lua_isstring(state, 2)) // Password
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179 {
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180 LOG(ERROR) << "Lua: Bad parameters to SetHttpCredentials()";
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181 }
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182 else
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183 {
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184 // Configure the HTTP client
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185 const char* username = lua_tostring(state, 1);
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186 const char* password = lua_tostring(state, 2);
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187 that.httpClient_.SetCredentials(username, password);
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188 }
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189
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190 return 0;
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191 }
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192
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193
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194 bool LuaContext::AnswerHttpQuery(lua_State* state)
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195 {
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196 std::string str;
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197
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198 try
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199 {
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200 httpClient_.Apply(str);
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201 }
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202 catch (OrthancException&)
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203 {
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204 return false;
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205 }
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206
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207 // Return the result of the HTTP request
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208 lua_pushlstring(state, str.c_str(), str.size());
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209
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210 return true;
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211 }
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212
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213
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214 void LuaContext::SetHttpHeaders(int top)
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215 {
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216 std::map<std::string, std::string> headers;
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217 GetDictionaryArgument(headers, lua_, top, false /* keep key case as provided by Lua script */);
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218
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219 httpClient_.ClearHeaders(); // always reset headers in case they have been set in a previous request
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220
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221 for (std::map<std::string, std::string>::const_iterator
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222 it = headers.begin(); it != headers.end(); ++it)
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223 {
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224 httpClient_.AddHeader(it->first, it->second);
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225 }
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226 }
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227
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228
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229 int LuaContext::CallHttpGet(lua_State *state)
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230 {
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231 LuaContext& that = GetLuaContext(state);
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232
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233 // Check the types of the arguments
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234 int nArgs = lua_gettop(state);
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235 if (nArgs < 1 || nArgs > 2 || // check args count
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236 !lua_isstring(state, 1)) // URL is a string
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237 {
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238 LOG(ERROR) << "Lua: Bad parameters to HttpGet()";
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239 lua_pushnil(state);
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240 return 1;
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241 }
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242
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243 // Configure the HTTP client class
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244 const char* url = lua_tostring(state, 1);
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245 that.httpClient_.SetMethod(HttpMethod_Get);
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246 that.httpClient_.SetUrl(url);
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247 that.httpClient_.GetBody().clear();
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248 that.SetHttpHeaders(2);
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249
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250 // Do the HTTP GET request
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251 if (!that.AnswerHttpQuery(state))
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252 {
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253 LOG(ERROR) << "Lua: Error in HttpGet() for URL " << url;
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254 lua_pushnil(state);
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255 }
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256
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257 return 1;
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258 }
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259
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260
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261 int LuaContext::CallHttpPostOrPut(lua_State *state,
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262 HttpMethod method)
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263 {
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264 LuaContext& that = GetLuaContext(state);
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265
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266 // Check the types of the arguments
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267 int nArgs = lua_gettop(state);
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268 if ((nArgs < 1 || nArgs > 3) || // check arg count
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269 !lua_isstring(state, 1) || // URL is a string
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270 (nArgs >= 2 && (!lua_isstring(state, 2) && !lua_isnil(state, 2)))) // Body data is null or is a string
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271 {
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272 LOG(ERROR) << "Lua: Bad parameters to HttpPost() or HttpPut()";
1438
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273 lua_pushnil(state);
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274 return 1;
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275 }
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276
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277 // Configure the HTTP client class
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278 const char* url = lua_tostring(state, 1);
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279 that.httpClient_.SetMethod(method);
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280 that.httpClient_.SetUrl(url);
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281 that.SetHttpHeaders(3);
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282
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283 if (nArgs >= 2 && !lua_isnil(state, 2))
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284 {
2724
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285 size_t bodySize = 0;
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286 const char* bodyData = lua_tolstring(state, 2, &bodySize);
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287
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288 if (bodySize == 0)
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289 {
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290 that.httpClient_.GetBody().clear();
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291 }
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292 else
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293 {
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294 that.httpClient_.GetBody().assign(bodyData, bodySize);
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295 }
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296 }
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297 else
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298 {
1606
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299 that.httpClient_.GetBody().clear();
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300 }
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301
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302 // Do the HTTP POST/PUT request
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303 if (!that.AnswerHttpQuery(state))
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304 {
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305 LOG(ERROR) << "Lua: Error in HttpPost() or HttpPut() for URL " << url;
1438
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306 lua_pushnil(state);
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307 }
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308
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309 return 1;
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310 }
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311
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312
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313 int LuaContext::CallHttpPost(lua_State *state)
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314 {
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315 return CallHttpPostOrPut(state, HttpMethod_Post);
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316 }
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317
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diff changeset
318
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319 int LuaContext::CallHttpPut(lua_State *state)
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320 {
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321 return CallHttpPostOrPut(state, HttpMethod_Put);
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322 }
cc4ff680e2a0 http requests in lua
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323
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diff changeset
324
cc4ff680e2a0 http requests in lua
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diff changeset
325 int LuaContext::CallHttpDelete(lua_State *state)
cc4ff680e2a0 http requests in lua
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326 {
cc4ff680e2a0 http requests in lua
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diff changeset
327 LuaContext& that = GetLuaContext(state);
cc4ff680e2a0 http requests in lua
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diff changeset
328
cc4ff680e2a0 http requests in lua
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329 // Check the types of the arguments
cc4ff680e2a0 http requests in lua
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330 int nArgs = lua_gettop(state);
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331 if (nArgs < 1 || nArgs > 2 || !lua_isstring(state, 1)) // URL
1052
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332 {
cc4ff680e2a0 http requests in lua
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333 LOG(ERROR) << "Lua: Bad parameters to HttpDelete()";
1438
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334 lua_pushnil(state);
1052
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335 return 1;
cc4ff680e2a0 http requests in lua
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336 }
cc4ff680e2a0 http requests in lua
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diff changeset
337
cc4ff680e2a0 http requests in lua
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338 // Configure the HTTP client class
cc4ff680e2a0 http requests in lua
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339 const char* url = lua_tostring(state, 1);
cc4ff680e2a0 http requests in lua
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340 that.httpClient_.SetMethod(HttpMethod_Delete);
cc4ff680e2a0 http requests in lua
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diff changeset
341 that.httpClient_.SetUrl(url);
2258
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amazy
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diff changeset
342 that.httpClient_.GetBody().clear();
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
343 that.SetHttpHeaders(2);
1052
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diff changeset
344
cc4ff680e2a0 http requests in lua
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345 // Do the HTTP DELETE request
cc4ff680e2a0 http requests in lua
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346 std::string s;
cc4ff680e2a0 http requests in lua
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diff changeset
347 if (!that.httpClient_.Apply(s))
cc4ff680e2a0 http requests in lua
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diff changeset
348 {
1055
6f923d52a46c call Web services from Lua
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diff changeset
349 LOG(ERROR) << "Lua: Error in HttpDelete() for URL " << url;
1438
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diff changeset
350 lua_pushnil(state);
1052
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diff changeset
351 }
cc4ff680e2a0 http requests in lua
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diff changeset
352 else
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diff changeset
353 {
cc4ff680e2a0 http requests in lua
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diff changeset
354 lua_pushstring(state, "SUCCESS");
1051
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diff changeset
355 }
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
356
92f4bf2c5d73 HTTP GET in Lua
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357 return 1;
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
358 }
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
359
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
360
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
361 void LuaContext::PushJson(const Json::Value& value)
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
362 {
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
363 if (value.isString())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
364 {
1465
905842836ad4 sample Lua script to write DICOM series to disk
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1448
diff changeset
365 const std::string s = value.asString();
905842836ad4 sample Lua script to write DICOM series to disk
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parents: 1448
diff changeset
366 lua_pushlstring(lua_, s.c_str(), s.size());
1051
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
367 }
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
368 else if (value.isDouble())
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
369 {
92f4bf2c5d73 HTTP GET in Lua
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diff changeset
370 lua_pushnumber(lua_, value.asDouble());
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
371 }
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
372 else if (value.isInt())
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
373 {
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
374 lua_pushinteger(lua_, value.asInt());
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
375 }
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
376 else if (value.isUInt())
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
377 {
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
378 lua_pushinteger(lua_, value.asUInt());
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
379 }
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
380 else if (value.isBool())
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
381 {
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
382 lua_pushboolean(lua_, value.asBool());
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
383 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
384 else if (value.isNull())
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
385 {
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
386 lua_pushnil(lua_);
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
387 }
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
388 else if (value.isArray())
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 lua_newtable(lua_);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
391
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
392 // http://lua-users.org/wiki/SimpleLuaApiExample
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
393 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
394 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
395 // Push the table index (note the "+1" because of Lua conventions)
92f4bf2c5d73 HTTP GET in Lua
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parents: 1002
diff changeset
396 lua_pushnumber(lua_, i + 1);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
397
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
398 // Push the value of the cell
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
399 PushJson(value[i]);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
400
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
401 // Stores the pair in the table
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
402 lua_rawset(lua_, -3);
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 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
405 else if (value.isObject())
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
406 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
407 lua_newtable(lua_);
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 Json::Value::Members members = value.getMemberNames();
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
410
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
411 for (Json::Value::Members::const_iterator
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
412 it = members.begin(); it != members.end(); ++it)
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
413 {
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
414 // 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
415 lua_pushlstring(lua_, it->c_str(), it->size());
1051
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
416
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
417 // Push the value of the cell
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
418 PushJson(value[*it]);
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
419
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
420 // Stores the pair in the table
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
421 lua_rawset(lua_, -3);
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 else
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
425 {
1583
9ea3d082b064 got rid of custom exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1545
diff changeset
426 throw OrthancException(ErrorCode_JsonToLuaTable);
1051
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
427 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
428 }
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
429
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
430
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
431 void LuaContext::GetJson(Json::Value& result,
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
432 lua_State* state,
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
433 int top,
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
434 bool keepStrings)
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
435 {
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
436 if (lua_istable(state, top))
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
437 {
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
438 Json::Value tmp = Json::objectValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
439 bool isArray = true;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
440 size_t size = 0;
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
441
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
442 // Code adapted from: http://stackoverflow.com/a/6142700/881731
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
443
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
444 // 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
445 // 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
446 // pseudo indices
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
447 lua_pushvalue(state, top);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
448 // stack now contains: -1 => table
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
449 lua_pushnil(state);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
450 // stack now contains: -1 => nil; -2 => table
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
451 while (lua_next(state, -2))
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
452 {
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
453 // 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
454 // copy the key so that lua_tostring does not modify the original
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
455 lua_pushvalue(state, -2);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
456 // stack now contains: -1 => key; -2 => value; -3 => key; -4 => table
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
457 std::string key(lua_tostring(state, -1));
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
458 Json::Value v;
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
459 GetJson(v, state, -2, keepStrings);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
460
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
461 tmp[key] = v;
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 size += 1;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
464 try
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
465 {
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
466 if (!OnlyContainsDigits(key) ||
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
467 boost::lexical_cast<size_t>(key) != size)
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
468 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
469 isArray = false;
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 }
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
472 catch (boost::bad_lexical_cast&)
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
473 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
474 isArray = false;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
475 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
476
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
477 // pop value + copy of key, leaving original key
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
478 lua_pop(state, 2);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
479 // stack now contains: -1 => key; -2 => table
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
480 }
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
481 // 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
482 // but does not push anything.)
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
483 // Pop table
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
484 lua_pop(state, 1);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
485
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
486 // 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
487
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
488 if (isArray)
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
489 {
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
490 result = Json::arrayValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
491 for (size_t i = 0; i < size; i++)
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
492 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
493 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
494 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
495 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
496 else
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
497 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
498 result = tmp;
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
499 }
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
500 }
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
501 else if (lua_isnil(state, top))
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
502 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
503 result = Json::nullValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
504 }
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
505 else if (!keepStrings &&
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
506 lua_isboolean(state, top))
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
507 {
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
508 result = lua_toboolean(state, top) ? true : false;
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
509 }
1658
54bafe0e7e7b Optional argument "keepStrings" in "DumpJson()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1606
diff changeset
510 else if (!keepStrings &&
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
511 lua_isnumber(state, top))
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
512 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
513 // Convert to "int" if truncation does not loose precision
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
514 double value = static_cast<double>(lua_tonumber(state, top));
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
515 int truncated = static_cast<int>(value);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
516
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
517 if (std::abs(value - static_cast<double>(truncated)) <=
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
518 std::numeric_limits<double>::epsilon())
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 result = truncated;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
521 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
522 else
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
523 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
524 result = value;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
525 }
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
526 }
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
527 else if (lua_isstring(state, top))
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
528 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
529 // 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
530 // Lua can convert most types to strings by default.
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
531 result = std::string(lua_tostring(state, top));
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
532 }
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
533 else if (lua_isboolean(state, top))
2220
0fb6e0461105 fix handling of Booleans in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
534 {
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
535 result = lua_toboolean(state, top) ? true : false;
2220
0fb6e0461105 fix handling of Booleans in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1900
diff changeset
536 }
1448
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
537 else
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
538 {
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
539 LOG(WARNING) << "Unsupported Lua type when returning Json";
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
540 result = Json::nullValue;
3f7722179467 refactoring: GetJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1447
diff changeset
541 }
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
542 }
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
543
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
544
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
545 LuaContext::LuaContext()
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 lua_ = luaL_newstate();
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
548 if (!lua_)
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
549 {
1583
9ea3d082b064 got rid of custom exceptions
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1545
diff changeset
550 throw OrthancException(ErrorCode_CannotCreateLua);
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
551 }
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
552
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
553 luaL_openlibs(lua_);
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
554 lua_register(lua_, "print", PrintToLog);
1447
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
555 lua_register(lua_, "ParseJson", ParseJson);
5ba7471780ae refactoring: HttpToolbox, DumpJson in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1438
diff changeset
556 lua_register(lua_, "DumpJson", DumpJson);
1051
92f4bf2c5d73 HTTP GET in Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1002
diff changeset
557 lua_register(lua_, "HttpGet", CallHttpGet);
1052
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
558 lua_register(lua_, "HttpPost", CallHttpPost);
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
559 lua_register(lua_, "HttpPut", CallHttpPut);
cc4ff680e2a0 http requests in lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1051
diff changeset
560 lua_register(lua_, "HttpDelete", CallHttpDelete);
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
561 lua_register(lua_, "SetHttpCredentials", SetHttpCredentials);
1437
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
562
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
563 SetGlobalVariable("_LuaContext", this);
386
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
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
567 LuaContext::~LuaContext()
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
568 {
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
569 lua_close(lua_);
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
570 }
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
571
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
572
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
573 void LuaContext::ExecuteInternal(std::string* output,
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
574 const std::string& command)
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
575 {
418
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
576 log_.clear();
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
577 int error = (luaL_loadbuffer(lua_, command.c_str(), command.size(), "line") ||
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
578 lua_pcall(lua_, 0, 0, 0));
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
579
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
580 if (error)
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
581 {
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
582 assert(lua_gettop(lua_) >= 1);
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
583
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
584 std::string description(lua_tostring(lua_, -1));
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
585 lua_pop(lua_, 1); /* pop error message from the stack */
2954
d924f9bb61cc taking advantage of details in OrthancException
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2724
diff changeset
586 throw OrthancException(ErrorCode_CannotExecuteLua, description);
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
587 }
418
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
588
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
589 if (output != NULL)
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
590 {
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
591 *output = log_;
b79bf2f4ab2e execution of lua through REST
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 397
diff changeset
592 }
386
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
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
595
2379
4900688827a8 reorganization in CMake
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2262
diff changeset
596 #if ORTHANC_HAS_EMBEDDED_RESOURCES == 1
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
597 void LuaContext::Execute(EmbeddedResources::FileResourceId resource)
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
598 {
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
599 std::string command;
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
600 EmbeddedResources::GetFileResource(command, resource);
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
601 ExecuteInternal(NULL, command);
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
602 }
2379
4900688827a8 reorganization in CMake
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2262
diff changeset
603 #endif
397
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
604
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
605
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
606 bool LuaContext::IsExistingFunction(const char* name)
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
607 {
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
608 lua_settop(lua_, 0);
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
609 lua_getglobal(lua_, name);
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
610 return lua_type(lua_, -1) == LUA_TFUNCTION;
941ea46e9e26 lua filter of new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 386
diff changeset
611 }
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
612
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
613
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
614 void LuaContext::Execute(Json::Value& output,
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
615 const std::string& command)
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
616 {
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
617 std::string s;
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
618 ExecuteInternal(&s, command);
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 Json::Reader reader;
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
621 if (!reader.parse(s, output))
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
622 {
1596
f2e3d030ea59 BadJson error code
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1583
diff changeset
623 throw OrthancException(ErrorCode_BadJson);
1055
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
624 }
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
625 }
6f923d52a46c call Web services from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1052
diff changeset
626
1437
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 void LuaContext::RegisterFunction(const char* name,
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
629 lua_CFunction func)
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
630 {
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
631 lua_register(lua_, name, func);
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
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
634
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
635 void LuaContext::SetGlobalVariable(const char* name,
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
636 void* value)
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 lua_pushlightuserdata(lua_, value);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
639 lua_setglobal(lua_, 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
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
642
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
643 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
644 const char* name)
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
645 {
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
646 lua_getglobal(state, name);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
647 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
648 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
649 lua_pop(state, 1);
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
650 return value;
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
651 }
3442
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
652
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
653
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
654 void LuaContext::GetDictionaryArgument(std::map<std::string, std::string>& target,
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
655 lua_State* state,
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
656 int top,
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
657 bool keyToLowerCase)
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
658 {
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
659 target.clear();
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
660
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
661 if (lua_gettop(state) >= top)
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
662 {
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
663 Json::Value headers;
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
664 GetJson(headers, state, top, true);
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
665
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
666 Json::Value::Members members = headers.getMemberNames();
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
667
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
668 for (size_t i = 0; i < members.size(); i++)
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
669 {
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
670 std::string key = members[i];
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
671
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
672 if (keyToLowerCase)
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
673 {
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
674 Toolbox::ToLowerCase(key);
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
675 }
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
676
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
677 target[key] = headers[members[i]].asString();
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
678 }
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
679 }
dd1e68f2d0c0 Fix issue #106 (Unable to export preview as jpeg from Lua script)
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
680 }
386
7dec4f3c922c lua wrapper
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
681 }