| 160 | } |
| 161 | |
| 162 | int CLI::assemble(void) { |
| 163 | using std::cout; |
| 164 | std::string outfile; |
| 165 | options.outputFile(outfile); |
| 166 | |
| 167 | // if(!checkOverwrite(outfile)) { |
| 168 | // return ERRCODE_OUTPUTFILE_ALREADYEXISTS; |
| 169 | // } |
| 170 | |
| 171 | static const boost::regex PNG_RE(".+\\.png\\z"); |
| 172 | static const boost::regex DELAY_RE("[0-9]+[:[0-9]+]?"); |
| 173 | const FrameDelay DEFAULT_DELAY = options.getDefaultDelay(); |
| 174 | |
| 175 | std::string lastFile; |
| 176 | std::string errorFile; |
| 177 | Options::INPUTS::const_iterator arg = options.inputFilesBegin(); |
| 178 | for (; arg != options.inputFilesEnd(); ++arg) { |
| 179 | if (regex_match(*arg, DELAY_RE)) { |
| 180 | if (!lastFile.empty()) { |
| 181 | const FrameDelay delay = *arg; |
| 182 | assembler.addFrame(lastFile, delay.num, delay.den); |
| 183 | lastFile.clear(); |
| 184 | continue; |
| 185 | } |
| 186 | } else if (regex_match(*arg, PNG_RE) || arg->find("*", 0)) { |
| 187 | if (!lastFile.empty()) { |
| 188 | const FrameDelay delay = DEFAULT_DELAY; |
| 189 | const int frameCount = assembler.frameCount(); |
| 190 | if (frameCount < assembler.addFrame(lastFile, delay.num, delay.den)) { |
| 191 | lastFile = *arg; |
| 192 | continue; |
| 193 | } |
| 194 | errorFile = lastFile; |
| 195 | } else { |
| 196 | lastFile = *arg; |
| 197 | continue; |
| 198 | } |
| 199 | } else { |
| 200 | errorFile = *arg; |
| 201 | } |
| 202 | } |
| 203 | if (!lastFile.empty()) { |
| 204 | const FrameDelay delay = DEFAULT_DELAY; |
| 205 | const int frameCount = assembler.frameCount(); |
| 206 | if (frameCount >= assembler.addFrame(lastFile, delay.num, delay.den)) |
| 207 | errorFile = lastFile; |
| 208 | } |
| 209 | |
| 210 | if (!errorFile.empty()) { |
| 211 | // Error. |
| 212 | cout << "argument `" << errorFile << "' is invalid." << std::endl; |
| 213 | return ERRCODE_INVALIDARGUMENT; |
| 214 | } |
| 215 | |
| 216 | if (assembler.frameCount() == 0) |
| 217 | cout << "apngasm " << assembler.version() |
| 218 | << "\nNo source frames were specified. Use --help for usage " |
| 219 | "information." |