Mercurial > hg > orthanc-webviewer
annotate Plugin/ViewerToolbox.cpp @ 33:d7bd116777eb
Use of OrthancPluginGetConfiguration
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 26 Jun 2015 15:33:08 +0200 |
| parents | a6492d20b2a8 |
| children | abdde1dfb3eb |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU Affero General Public License | |
| 8 * as published by the Free Software Foundation, either version 3 of | |
| 9 * the License, or (at your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * Affero General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU Affero General Public License | |
| 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 **/ | |
| 19 | |
| 20 | |
| 21 #include "ViewerToolbox.h" | |
| 22 | |
| 26 | 23 #include "../Orthanc/Core/OrthancException.h" |
| 24 #include "../Orthanc/Core/Toolbox.h" | |
| 0 | 25 |
| 26 #include <json/reader.h> | |
| 27 #include <zlib.h> | |
| 28 #include <stdexcept> | |
| 29 #include <boost/lexical_cast.hpp> | |
| 30 #include <sys/stat.h> | |
| 31 | |
| 32 namespace OrthancPlugins | |
| 33 { | |
| 34 bool GetStringFromOrthanc(std::string& content, | |
| 35 OrthancPluginContext* context, | |
| 36 const std::string& uri) | |
| 37 { | |
| 38 OrthancPluginMemoryBuffer answer; | |
| 39 | |
| 40 if (OrthancPluginRestApiGet(context, &answer, uri.c_str())) | |
| 41 { | |
| 42 return false; | |
| 43 } | |
| 44 | |
| 45 if (answer.size) | |
| 46 { | |
| 47 try | |
| 48 { | |
| 49 content.assign(reinterpret_cast<const char*>(answer.data), answer.size); | |
| 50 } | |
| 51 catch (std::bad_alloc&) | |
| 52 { | |
| 53 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 54 throw Orthanc::OrthancException("Not enough memory"); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 59 return true; | |
| 60 } | |
| 61 | |
| 62 | |
| 63 bool GetJsonFromOrthanc(Json::Value& json, | |
| 64 OrthancPluginContext* context, | |
| 65 const std::string& uri) | |
| 66 { | |
| 67 OrthancPluginMemoryBuffer answer; | |
| 68 | |
| 69 if (OrthancPluginRestApiGet(context, &answer, uri.c_str())) | |
| 70 { | |
| 71 return false; | |
| 72 } | |
| 73 | |
| 74 if (answer.size) | |
| 75 { | |
| 76 try | |
| 77 { | |
| 78 const char* data = reinterpret_cast<const char*>(answer.data); | |
| 79 Json::Reader reader; | |
| 80 if (!reader.parse(data, data + answer.size, json, | |
| 81 false /* don't collect comments */)) | |
| 82 { | |
| 83 return false; | |
| 84 } | |
| 85 } | |
| 86 catch (std::runtime_error&) | |
| 87 { | |
| 88 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 89 return false; | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 94 return true; | |
| 95 } | |
| 96 | |
| 97 | |
| 98 | |
| 99 | |
| 100 bool TokenizeVector(std::vector<float>& result, | |
| 101 const std::string& value, | |
| 102 unsigned int expectedSize) | |
| 103 { | |
| 104 std::vector<std::string> tokens; | |
| 105 Orthanc::Toolbox::TokenizeString(tokens, value, '\\'); | |
| 106 | |
| 107 if (tokens.size() != expectedSize) | |
| 108 { | |
| 109 return false; | |
| 110 } | |
| 111 | |
| 112 result.resize(tokens.size()); | |
| 113 | |
| 114 for (size_t i = 0; i < tokens.size(); i++) | |
| 115 { | |
| 116 try | |
| 117 { | |
| 118 result[i] = boost::lexical_cast<float>(tokens[i]); | |
| 119 } | |
| 120 catch (boost::bad_lexical_cast&) | |
| 121 { | |
| 122 return false; | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 return true; | |
| 127 } | |
| 128 | |
| 129 | |
| 130 bool CompressUsingDeflate(std::string& compressed, | |
| 131 const void* uncompressed, | |
| 132 size_t uncompressedSize, | |
| 133 uint8_t compressionLevel) | |
| 134 { | |
| 135 if (uncompressedSize == 0) | |
| 136 { | |
| 137 compressed.clear(); | |
| 138 return true; | |
| 139 } | |
| 140 | |
| 141 uLongf compressedSize = compressBound(uncompressedSize); | |
| 142 compressed.resize(compressedSize); | |
| 143 | |
| 144 int error = compress2 | |
| 145 (reinterpret_cast<uint8_t*>(&compressed[0]), | |
| 146 &compressedSize, | |
| 147 const_cast<Bytef *>(static_cast<const Bytef *>(uncompressed)), | |
| 148 uncompressedSize, | |
| 149 compressionLevel); | |
| 150 | |
| 151 if (error == Z_OK) | |
| 152 { | |
| 153 compressed.resize(compressedSize); | |
| 154 return true; | |
| 155 } | |
| 156 else | |
| 157 { | |
| 158 compressed.clear(); | |
| 159 return false; | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 | |
| 164 | |
| 165 const char* GetMimeType(const std::string& path) | |
| 166 { | |
| 167 size_t dot = path.find_last_of('.'); | |
| 168 | |
| 169 std::string extension = (dot == std::string::npos) ? "" : path.substr(dot); | |
| 170 std::transform(extension.begin(), extension.end(), extension.begin(), tolower); | |
| 171 | |
| 172 if (extension == ".html") | |
| 173 { | |
| 174 return "text/html"; | |
| 175 } | |
| 176 else if (extension == ".css") | |
| 177 { | |
| 178 return "text/css"; | |
| 179 } | |
| 180 else if (extension == ".js") | |
| 181 { | |
| 182 return "application/javascript"; | |
| 183 } | |
| 184 else if (extension == ".gif") | |
| 185 { | |
| 186 return "image/gif"; | |
| 187 } | |
| 188 else if (extension == ".svg") | |
| 189 { | |
| 190 return "image/svg+xml"; | |
| 191 } | |
| 192 else if (extension == ".json") | |
| 193 { | |
| 194 return "application/json"; | |
| 195 } | |
| 196 else if (extension == ".xml") | |
| 197 { | |
| 198 return "application/xml"; | |
| 199 } | |
| 200 else if (extension == ".png") | |
| 201 { | |
| 202 return "image/png"; | |
| 203 } | |
| 204 else if (extension == ".jpg" || extension == ".jpeg") | |
| 205 { | |
| 206 return "image/jpeg"; | |
| 207 } | |
| 208 else | |
| 209 { | |
| 210 return "application/octet-stream"; | |
| 211 } | |
| 212 } | |
| 213 | |
| 214 | |
| 215 bool ReadConfiguration(Json::Value& configuration, | |
| 216 OrthancPluginContext* context) | |
| 217 { | |
|
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Use of OrthancPluginGetConfiguration
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218 std::string s; |
| 0 | 219 |
| 220 { | |
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221 char* tmp = OrthancPluginGetConfiguration(context); |
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Use of OrthancPluginGetConfiguration
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222 if (tmp == NULL) |
| 0 | 223 { |
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Use of OrthancPluginGetConfiguration
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224 OrthancPluginLogError(context, "Error while retrieving the configuration from Orthanc"); |
| 0 | 225 return false; |
| 226 } | |
| 227 | |
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Use of OrthancPluginGetConfiguration
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228 s.assign(tmp); |
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Use of OrthancPluginGetConfiguration
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229 OrthancPluginFreeString(context, tmp); |
| 0 | 230 } |
| 231 | |
| 232 Json::Reader reader; | |
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Use of OrthancPluginGetConfiguration
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233 if (reader.parse(s, configuration)) |
| 0 | 234 { |
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Use of OrthancPluginGetConfiguration
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235 return true; |
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Use of OrthancPluginGetConfiguration
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236 } |
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Use of OrthancPluginGetConfiguration
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parents:
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237 else |
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Use of OrthancPluginGetConfiguration
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parents:
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238 { |
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Use of OrthancPluginGetConfiguration
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parents:
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239 OrthancPluginLogError(context, "Unable to parse the configuration"); |
| 0 | 240 return false; |
| 241 } | |
| 242 } | |
| 243 | |
| 244 | |
| 245 std::string GetStringValue(const Json::Value& configuration, | |
| 246 const std::string& key, | |
| 247 const std::string& defaultValue) | |
| 248 { | |
| 249 if (configuration.type() != Json::objectValue || | |
| 250 !configuration.isMember(key) || | |
| 251 configuration[key].type() != Json::stringValue) | |
| 252 { | |
| 253 return defaultValue; | |
| 254 } | |
| 255 else | |
| 256 { | |
| 257 return configuration[key].asString(); | |
| 258 } | |
| 259 } | |
| 260 | |
| 261 | |
| 262 int GetIntegerValue(const Json::Value& configuration, | |
| 263 const std::string& key, | |
| 264 int defaultValue) | |
| 265 { | |
| 266 if (configuration.type() != Json::objectValue || | |
| 267 !configuration.isMember(key) || | |
| 268 configuration[key].type() != Json::intValue) | |
| 269 { | |
| 270 return defaultValue; | |
| 271 } | |
| 272 else | |
| 273 { | |
| 274 return configuration[key].asInt(); | |
| 275 } | |
| 276 } | |
| 277 | |
| 278 | |
| 279 bool ReadFile(std::string& content, | |
| 280 const std::string& path) | |
| 281 { | |
| 282 struct stat s; | |
| 283 if (stat(path.c_str(), &s) != 0 || | |
| 284 !(s.st_mode & S_IFREG)) | |
| 285 { | |
| 286 // Either the path does not exist, or it is not a regular file | |
| 287 return false; | |
| 288 } | |
| 289 | |
| 290 FILE* fp = fopen(path.c_str(), "rb"); | |
| 291 if (fp == NULL) | |
| 292 { | |
| 293 return false; | |
| 294 } | |
| 295 | |
| 296 long size; | |
| 297 | |
| 298 if (fseek(fp, 0, SEEK_END) == -1 || | |
| 299 (size = ftell(fp)) < 0) | |
| 300 { | |
| 301 fclose(fp); | |
| 302 return false; | |
| 303 } | |
| 304 | |
| 305 content.resize(size); | |
| 306 | |
| 307 if (fseek(fp, 0, SEEK_SET) == -1) | |
| 308 { | |
| 309 fclose(fp); | |
| 310 return false; | |
| 311 } | |
| 312 | |
| 313 bool ok = true; | |
| 314 | |
| 315 if (size > 0 && | |
| 316 fread(&content[0], size, 1, fp) != 1) | |
| 317 { | |
| 318 ok = false; | |
| 319 } | |
| 320 | |
| 321 fclose(fp); | |
| 322 | |
| 323 return ok; | |
| 324 } | |
| 325 } |