temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1 | // Protocol Buffers - Google's data interchange format |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 2 | // Copyright 2008 Google Inc. All rights reserved. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 3 | // http://code.google.com/p/protobuf/ |
| 4 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 5 | // Redistribution and use in source and binary forms, with or without |
| 6 | // modification, are permitted provided that the following conditions are |
| 7 | // met: |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 8 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 9 | // * Redistributions of source code must retain the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer. |
| 11 | // * Redistributions in binary form must reproduce the above |
| 12 | // copyright notice, this list of conditions and the following disclaimer |
| 13 | // in the documentation and/or other materials provided with the |
| 14 | // distribution. |
| 15 | // * Neither the name of Google Inc. nor the names of its |
| 16 | // contributors may be used to endorse or promote products derived from |
| 17 | // this software without specific prior written permission. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 18 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 19 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 30 | |
| 31 | // Author: kenton@google.com (Kenton Varda) |
| 32 | // Based on original Protocol Buffers design by |
| 33 | // Sanjay Ghemawat, Jeff Dean, and others. |
| 34 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 35 | #include <google/protobuf/compiler/command_line_interface.h> |
| 36 | |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 37 | #include <stdio.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 38 | #include <sys/types.h> |
| 39 | #include <sys/stat.h> |
| 40 | #include <fcntl.h> |
| 41 | #ifdef _MSC_VER |
| 42 | #include <io.h> |
| 43 | #include <direct.h> |
| 44 | #else |
| 45 | #include <unistd.h> |
| 46 | #endif |
| 47 | #include <errno.h> |
| 48 | #include <iostream> |
temporal | cc93043 | 2008-07-21 20:28:30 +0000 | [diff] [blame] | 49 | #include <ctype.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 50 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 51 | #include <google/protobuf/stubs/hash.h> |
| 52 | |
| 53 | #include <google/protobuf/stubs/common.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 54 | #include <google/protobuf/compiler/importer.h> |
| 55 | #include <google/protobuf/compiler/code_generator.h> |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 56 | #include <google/protobuf/compiler/plugin.pb.h> |
| 57 | #include <google/protobuf/compiler/subprocess.h> |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 58 | #include <google/protobuf/compiler/zip_writer.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 59 | #include <google/protobuf/descriptor.h> |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 60 | #include <google/protobuf/text_format.h> |
| 61 | #include <google/protobuf/dynamic_message.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 62 | #include <google/protobuf/io/zero_copy_stream_impl.h> |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 63 | #include <google/protobuf/io/printer.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 64 | #include <google/protobuf/stubs/strutil.h> |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 65 | #include <google/protobuf/stubs/substitute.h> |
| 66 | #include <google/protobuf/stubs/map-util.h> |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 67 | #include <google/protobuf/stubs/stl_util-inl.h> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 68 | |
| 69 | |
| 70 | namespace google { |
| 71 | namespace protobuf { |
| 72 | namespace compiler { |
| 73 | |
| 74 | #if defined(_WIN32) |
| 75 | #define mkdir(name, mode) mkdir(name) |
| 76 | #ifndef W_OK |
| 77 | #define W_OK 02 // not defined by MSVC for whatever reason |
| 78 | #endif |
| 79 | #ifndef F_OK |
| 80 | #define F_OK 00 // not defined by MSVC for whatever reason |
| 81 | #endif |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 82 | #ifndef STDIN_FILENO |
| 83 | #define STDIN_FILENO 0 |
| 84 | #endif |
| 85 | #ifndef STDOUT_FILENO |
| 86 | #define STDOUT_FILENO 1 |
| 87 | #endif |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 88 | #endif |
| 89 | |
| 90 | #ifndef O_BINARY |
| 91 | #ifdef _O_BINARY |
| 92 | #define O_BINARY _O_BINARY |
| 93 | #else |
| 94 | #define O_BINARY 0 // If this isn't defined, the platform doesn't need it. |
| 95 | #endif |
| 96 | #endif |
| 97 | |
| 98 | namespace { |
| 99 | #if defined(_WIN32) && !defined(__CYGWIN__) |
| 100 | static const char* kPathSeparator = ";"; |
| 101 | #else |
| 102 | static const char* kPathSeparator = ":"; |
| 103 | #endif |
temporal | cc93043 | 2008-07-21 20:28:30 +0000 | [diff] [blame] | 104 | |
| 105 | // Returns true if the text looks like a Windows-style absolute path, starting |
kenton@google.com | 2f669cb | 2008-12-02 05:59:15 +0000 | [diff] [blame] | 106 | // with a drive letter. Example: "C:\foo". TODO(kenton): Share this with |
| 107 | // copy in importer.cc? |
temporal | cc93043 | 2008-07-21 20:28:30 +0000 | [diff] [blame] | 108 | static bool IsWindowsAbsolutePath(const string& text) { |
| 109 | #if defined(_WIN32) || defined(__CYGWIN__) |
| 110 | return text.size() >= 3 && text[1] == ':' && |
| 111 | isalpha(text[0]) && |
| 112 | (text[2] == '/' || text[2] == '\\') && |
| 113 | text.find_last_of(':') == 1; |
| 114 | #else |
| 115 | return false; |
| 116 | #endif |
| 117 | } |
| 118 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 119 | void SetFdToTextMode(int fd) { |
| 120 | #ifdef _WIN32 |
| 121 | if (_setmode(fd, _O_TEXT) == -1) { |
| 122 | // This should never happen, I think. |
| 123 | GOOGLE_LOG(WARNING) << "_setmode(" << fd << ", _O_TEXT): " << strerror(errno); |
| 124 | } |
| 125 | #endif |
| 126 | // (Text and binary are the same on non-Windows platforms.) |
| 127 | } |
| 128 | |
| 129 | void SetFdToBinaryMode(int fd) { |
| 130 | #ifdef _WIN32 |
| 131 | if (_setmode(fd, _O_BINARY) == -1) { |
| 132 | // This should never happen, I think. |
| 133 | GOOGLE_LOG(WARNING) << "_setmode(" << fd << ", _O_BINARY): " << strerror(errno); |
| 134 | } |
| 135 | #endif |
| 136 | // (Text and binary are the same on non-Windows platforms.) |
| 137 | } |
| 138 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 139 | void AddTrailingSlash(string* path) { |
| 140 | if (!path->empty() && path->at(path->size() - 1) != '/') { |
| 141 | path->push_back('/'); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | bool VerifyDirectoryExists(const string& path) { |
| 146 | if (path.empty()) return true; |
| 147 | |
| 148 | if (access(path.c_str(), W_OK) == -1) { |
| 149 | cerr << path << ": " << strerror(errno) << endl; |
| 150 | return false; |
| 151 | } else { |
| 152 | return true; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | // Try to create the parent directory of the given file, creating the parent's |
| 157 | // parent if necessary, and so on. The full file name is actually |
| 158 | // (prefix + filename), but we assume |prefix| already exists and only create |
| 159 | // directories listed in |filename|. |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 160 | bool TryCreateParentDirectory(const string& prefix, const string& filename) { |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 161 | // Recursively create parent directories to the output file. |
| 162 | vector<string> parts; |
| 163 | SplitStringUsing(filename, "/", &parts); |
| 164 | string path_so_far = prefix; |
| 165 | for (int i = 0; i < parts.size() - 1; i++) { |
| 166 | path_so_far += parts[i]; |
| 167 | if (mkdir(path_so_far.c_str(), 0777) != 0) { |
| 168 | if (errno != EEXIST) { |
| 169 | cerr << filename << ": while trying to create directory " |
| 170 | << path_so_far << ": " << strerror(errno) << endl; |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 171 | return false; |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 172 | } |
| 173 | } |
| 174 | path_so_far += '/'; |
| 175 | } |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 176 | |
| 177 | return true; |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 178 | } |
| 179 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 180 | } // namespace |
| 181 | |
| 182 | // A MultiFileErrorCollector that prints errors to stderr. |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 183 | class CommandLineInterface::ErrorPrinter : public MultiFileErrorCollector, |
| 184 | public io::ErrorCollector { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 185 | public: |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 186 | ErrorPrinter(ErrorFormat format, DiskSourceTree *tree = NULL) |
kenton@google.com | 6793c1a | 2010-04-05 21:45:45 +0000 | [diff] [blame] | 187 | : format_(format), tree_(tree) {} |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 188 | ~ErrorPrinter() {} |
| 189 | |
| 190 | // implements MultiFileErrorCollector ------------------------------ |
| 191 | void AddError(const string& filename, int line, int column, |
| 192 | const string& message) { |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 193 | |
kenton@google.com | 6793c1a | 2010-04-05 21:45:45 +0000 | [diff] [blame] | 194 | // Print full path when running under MSVS |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 195 | string dfile; |
| 196 | if (format_ == CommandLineInterface::ERROR_FORMAT_MSVS && |
kenton@google.com | 6793c1a | 2010-04-05 21:45:45 +0000 | [diff] [blame] | 197 | tree_ != NULL && |
| 198 | tree_->VirtualFileToDiskFile(filename, &dfile)) { |
| 199 | cerr << dfile; |
| 200 | } else { |
| 201 | cerr << filename; |
| 202 | } |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 203 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 204 | // Users typically expect 1-based line/column numbers, so we add 1 |
| 205 | // to each here. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 206 | if (line != -1) { |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 207 | // Allow for both GCC- and Visual-Studio-compatible output. |
| 208 | switch (format_) { |
| 209 | case CommandLineInterface::ERROR_FORMAT_GCC: |
| 210 | cerr << ":" << (line + 1) << ":" << (column + 1); |
| 211 | break; |
| 212 | case CommandLineInterface::ERROR_FORMAT_MSVS: |
| 213 | cerr << "(" << (line + 1) << ") : error in column=" << (column + 1); |
| 214 | break; |
| 215 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 216 | } |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 217 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 218 | cerr << ": " << message << endl; |
| 219 | } |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 220 | |
| 221 | // implements io::ErrorCollector ----------------------------------- |
| 222 | void AddError(int line, int column, const string& message) { |
| 223 | AddError("input", line, column, message); |
| 224 | } |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 225 | |
| 226 | private: |
| 227 | const ErrorFormat format_; |
kenton@google.com | 6793c1a | 2010-04-05 21:45:45 +0000 | [diff] [blame] | 228 | DiskSourceTree *tree_; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 229 | }; |
| 230 | |
| 231 | // ------------------------------------------------------------------- |
| 232 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 233 | // A GeneratorContext implementation that buffers files in memory, then dumps |
kenton@google.com | 5353018 | 2010-01-07 02:08:03 +0000 | [diff] [blame] | 234 | // them all to disk on demand. |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 235 | class CommandLineInterface::GeneratorContextImpl : public GeneratorContext { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 236 | public: |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 237 | GeneratorContextImpl(const vector<const FileDescriptor*>& parsed_files); |
| 238 | ~GeneratorContextImpl(); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 239 | |
kenton@google.com | 5353018 | 2010-01-07 02:08:03 +0000 | [diff] [blame] | 240 | // Write all files in the directory to disk at the given output location, |
| 241 | // which must end in a '/'. |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 242 | bool WriteAllToDisk(const string& prefix); |
kenton@google.com | 5353018 | 2010-01-07 02:08:03 +0000 | [diff] [blame] | 243 | |
| 244 | // Write the contents of this directory to a ZIP-format archive with the |
| 245 | // given name. |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 246 | bool WriteAllToZip(const string& filename); |
kenton@google.com | 5353018 | 2010-01-07 02:08:03 +0000 | [diff] [blame] | 247 | |
| 248 | // Add a boilerplate META-INF/MANIFEST.MF file as required by the Java JAR |
| 249 | // format, unless one has already been written. |
kenton@google.com | d2fcbba | 2010-01-04 19:47:18 +0000 | [diff] [blame] | 250 | void AddJarManifest(); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 251 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 252 | // implements GeneratorContext -------------------------------------- |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 253 | io::ZeroCopyOutputStream* Open(const string& filename); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 254 | io::ZeroCopyOutputStream* OpenForInsert( |
| 255 | const string& filename, const string& insertion_point); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 256 | void ListParsedFiles(vector<const FileDescriptor*>* output) { |
| 257 | *output = parsed_files_; |
| 258 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 259 | |
| 260 | private: |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 261 | friend class MemoryOutputStream; |
| 262 | |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 263 | // map instead of hash_map so that files are written in order (good when |
| 264 | // writing zips). |
| 265 | map<string, string*> files_; |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 266 | const vector<const FileDescriptor*>& parsed_files_; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 267 | bool had_error_; |
| 268 | }; |
| 269 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 270 | class CommandLineInterface::MemoryOutputStream |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 271 | : public io::ZeroCopyOutputStream { |
| 272 | public: |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 273 | MemoryOutputStream(GeneratorContextImpl* directory, const string& filename); |
| 274 | MemoryOutputStream(GeneratorContextImpl* directory, const string& filename, |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 275 | const string& insertion_point); |
| 276 | virtual ~MemoryOutputStream(); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 277 | |
| 278 | // implements ZeroCopyOutputStream --------------------------------- |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 279 | virtual bool Next(void** data, int* size) { return inner_->Next(data, size); } |
| 280 | virtual void BackUp(int count) { inner_->BackUp(count); } |
| 281 | virtual int64 ByteCount() const { return inner_->ByteCount(); } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 282 | |
| 283 | private: |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 284 | // Where to insert the string when it's done. |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 285 | GeneratorContextImpl* directory_; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 286 | string filename_; |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 287 | string insertion_point_; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 288 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 289 | // The string we're building. |
| 290 | string data_; |
| 291 | |
| 292 | // StringOutputStream writing to data_. |
| 293 | scoped_ptr<io::StringOutputStream> inner_; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 294 | }; |
| 295 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 296 | // ------------------------------------------------------------------- |
| 297 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 298 | CommandLineInterface::GeneratorContextImpl::GeneratorContextImpl( |
| 299 | const vector<const FileDescriptor*>& parsed_files) |
| 300 | : parsed_files_(parsed_files), |
| 301 | had_error_(false) { |
| 302 | } |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 303 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 304 | CommandLineInterface::GeneratorContextImpl::~GeneratorContextImpl() { |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 305 | STLDeleteValues(&files_); |
| 306 | } |
| 307 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 308 | bool CommandLineInterface::GeneratorContextImpl::WriteAllToDisk( |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 309 | const string& prefix) { |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 310 | if (had_error_) { |
| 311 | return false; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 312 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 313 | |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 314 | if (!VerifyDirectoryExists(prefix)) { |
| 315 | return false; |
| 316 | } |
| 317 | |
| 318 | for (map<string, string*>::const_iterator iter = files_.begin(); |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 319 | iter != files_.end(); ++iter) { |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 320 | const string& relative_filename = iter->first; |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 321 | const char* data = iter->second->data(); |
| 322 | int size = iter->second->size(); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 323 | |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 324 | if (!TryCreateParentDirectory(prefix, relative_filename)) { |
| 325 | return false; |
| 326 | } |
| 327 | string filename = prefix + relative_filename; |
| 328 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 329 | // Create the output file. |
| 330 | int file_descriptor; |
| 331 | do { |
| 332 | file_descriptor = |
| 333 | open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); |
| 334 | } while (file_descriptor < 0 && errno == EINTR); |
| 335 | |
| 336 | if (file_descriptor < 0) { |
| 337 | int error = errno; |
| 338 | cerr << filename << ": " << strerror(error); |
| 339 | return false; |
| 340 | } |
| 341 | |
| 342 | // Write the file. |
| 343 | while (size > 0) { |
| 344 | int write_result; |
| 345 | do { |
| 346 | write_result = write(file_descriptor, data, size); |
| 347 | } while (write_result < 0 && errno == EINTR); |
| 348 | |
| 349 | if (write_result <= 0) { |
| 350 | // Write error. |
| 351 | |
| 352 | // FIXME(kenton): According to the man page, if write() returns zero, |
| 353 | // there was no error; write() simply did not write anything. It's |
| 354 | // unclear under what circumstances this might happen, but presumably |
| 355 | // errno won't be set in this case. I am confused as to how such an |
| 356 | // event should be handled. For now I'm treating it as an error, |
| 357 | // since retrying seems like it could lead to an infinite loop. I |
| 358 | // suspect this never actually happens anyway. |
| 359 | |
| 360 | if (write_result < 0) { |
| 361 | int error = errno; |
| 362 | cerr << filename << ": write: " << strerror(error); |
| 363 | } else { |
| 364 | cerr << filename << ": write() returned zero?" << endl; |
| 365 | } |
| 366 | return false; |
| 367 | } |
| 368 | |
| 369 | data += write_result; |
| 370 | size -= write_result; |
| 371 | } |
| 372 | |
| 373 | if (close(file_descriptor) != 0) { |
| 374 | int error = errno; |
| 375 | cerr << filename << ": close: " << strerror(error); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 376 | return false; |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | return true; |
| 381 | } |
| 382 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 383 | bool CommandLineInterface::GeneratorContextImpl::WriteAllToZip( |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 384 | const string& filename) { |
| 385 | if (had_error_) { |
| 386 | return false; |
| 387 | } |
| 388 | |
| 389 | // Create the output file. |
| 390 | int file_descriptor; |
| 391 | do { |
| 392 | file_descriptor = |
| 393 | open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); |
| 394 | } while (file_descriptor < 0 && errno == EINTR); |
| 395 | |
| 396 | if (file_descriptor < 0) { |
| 397 | int error = errno; |
| 398 | cerr << filename << ": " << strerror(error); |
| 399 | return false; |
| 400 | } |
| 401 | |
| 402 | // Create the ZipWriter |
| 403 | io::FileOutputStream stream(file_descriptor); |
| 404 | ZipWriter zip_writer(&stream); |
| 405 | |
| 406 | for (map<string, string*>::const_iterator iter = files_.begin(); |
| 407 | iter != files_.end(); ++iter) { |
| 408 | zip_writer.Write(iter->first, *iter->second); |
| 409 | } |
| 410 | |
| 411 | zip_writer.WriteDirectory(); |
| 412 | |
| 413 | if (stream.GetErrno() != 0) { |
| 414 | cerr << filename << ": " << strerror(stream.GetErrno()) << endl; |
| 415 | } |
| 416 | |
| 417 | if (!stream.Close()) { |
| 418 | cerr << filename << ": " << strerror(stream.GetErrno()) << endl; |
| 419 | } |
| 420 | |
| 421 | return true; |
| 422 | } |
| 423 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 424 | void CommandLineInterface::GeneratorContextImpl::AddJarManifest() { |
kenton@google.com | d2fcbba | 2010-01-04 19:47:18 +0000 | [diff] [blame] | 425 | string** map_slot = &files_["META-INF/MANIFEST.MF"]; |
| 426 | if (*map_slot == NULL) { |
| 427 | *map_slot = new string( |
| 428 | "Manifest-Version: 1.0\n" |
| 429 | "Created-By: 1.6.0 (protoc)\n" |
| 430 | "\n"); |
| 431 | } |
| 432 | } |
| 433 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 434 | io::ZeroCopyOutputStream* CommandLineInterface::GeneratorContextImpl::Open( |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 435 | const string& filename) { |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 436 | return new MemoryOutputStream(this, filename); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 437 | } |
| 438 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 439 | io::ZeroCopyOutputStream* |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 440 | CommandLineInterface::GeneratorContextImpl::OpenForInsert( |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 441 | const string& filename, const string& insertion_point) { |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 442 | return new MemoryOutputStream(this, filename, insertion_point); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 443 | } |
| 444 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 445 | // ------------------------------------------------------------------- |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 446 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 447 | CommandLineInterface::MemoryOutputStream::MemoryOutputStream( |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 448 | GeneratorContextImpl* directory, const string& filename) |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 449 | : directory_(directory), |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 450 | filename_(filename), |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 451 | inner_(new io::StringOutputStream(&data_)) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 452 | } |
| 453 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 454 | CommandLineInterface::MemoryOutputStream::MemoryOutputStream( |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 455 | GeneratorContextImpl* directory, const string& filename, |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 456 | const string& insertion_point) |
| 457 | : directory_(directory), |
| 458 | filename_(filename), |
| 459 | insertion_point_(insertion_point), |
| 460 | inner_(new io::StringOutputStream(&data_)) { |
| 461 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 462 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 463 | CommandLineInterface::MemoryOutputStream::~MemoryOutputStream() { |
| 464 | // Make sure all data has been written. |
| 465 | inner_.reset(); |
| 466 | |
| 467 | // Insert into the directory. |
| 468 | string** map_slot = &directory_->files_[filename_]; |
| 469 | |
| 470 | if (insertion_point_.empty()) { |
| 471 | // This was just a regular Open(). |
| 472 | if (*map_slot != NULL) { |
| 473 | cerr << filename_ << ": Tried to write the same file twice." << endl; |
| 474 | directory_->had_error_ = true; |
| 475 | return; |
| 476 | } |
| 477 | |
| 478 | *map_slot = new string; |
| 479 | (*map_slot)->swap(data_); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 480 | } else { |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 481 | // This was an OpenForInsert(). |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 482 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 483 | // If the data doens't end with a clean line break, add one. |
| 484 | if (!data_.empty() && data_[data_.size() - 1] != '\n') { |
| 485 | data_.push_back('\n'); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 486 | } |
| 487 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 488 | // Find the file we are going to insert into. |
| 489 | if (*map_slot == NULL) { |
| 490 | cerr << filename_ << ": Tried to insert into file that doesn't exist." |
| 491 | << endl; |
| 492 | directory_->had_error_ = true; |
| 493 | return; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 494 | } |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 495 | string* target = *map_slot; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 496 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 497 | // Find the insertion point. |
| 498 | string magic_string = strings::Substitute( |
| 499 | "@@protoc_insertion_point($0)", insertion_point_); |
| 500 | string::size_type pos = target->find(magic_string); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 501 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 502 | if (pos == string::npos) { |
| 503 | cerr << filename_ << ": insertion point \"" << insertion_point_ |
| 504 | << "\" not found." << endl; |
| 505 | directory_->had_error_ = true; |
| 506 | return; |
kenton@google.com | 684d45b | 2009-12-19 04:50:00 +0000 | [diff] [blame] | 507 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 508 | |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 509 | // Seek backwards to the beginning of the line, which is where we will |
| 510 | // insert the data. Note that this has the effect of pushing the insertion |
| 511 | // point down, so the data is inserted before it. This is intentional |
| 512 | // because it means that multiple insertions at the same point will end |
| 513 | // up in the expected order in the final output. |
| 514 | pos = target->find_last_of('\n', pos); |
| 515 | if (pos == string::npos) { |
| 516 | // Insertion point is on the first line. |
| 517 | pos = 0; |
| 518 | } else { |
| 519 | // Advance to character after '\n'. |
| 520 | ++pos; |
| 521 | } |
| 522 | |
| 523 | // Extract indent. |
| 524 | string indent_(*target, pos, target->find_first_not_of(" \t", pos) - pos); |
| 525 | |
| 526 | if (indent_.empty()) { |
| 527 | // No indent. This makes things easier. |
| 528 | target->insert(pos, data_); |
| 529 | } else { |
| 530 | // Calculate how much space we need. |
| 531 | int indent_size = 0; |
| 532 | for (int i = 0; i < data_.size(); i++) { |
| 533 | if (data_[i] == '\n') indent_size += indent_.size(); |
| 534 | } |
| 535 | |
| 536 | // Make a hole for it. |
| 537 | target->insert(pos, data_.size() + indent_size, '\0'); |
| 538 | |
| 539 | // Now copy in the data. |
| 540 | string::size_type data_pos = 0; |
| 541 | char* target_ptr = string_as_array(target) + pos; |
| 542 | while (data_pos < data_.size()) { |
| 543 | // Copy indent. |
| 544 | memcpy(target_ptr, indent_.data(), indent_.size()); |
| 545 | target_ptr += indent_.size(); |
| 546 | |
| 547 | // Copy line from data_. |
| 548 | // We already guaranteed that data_ ends with a newline (above), so this |
| 549 | // search can't fail. |
| 550 | string::size_type line_length = |
| 551 | data_.find_first_of('\n', data_pos) + 1 - data_pos; |
| 552 | memcpy(target_ptr, data_.data() + data_pos, line_length); |
| 553 | target_ptr += line_length; |
| 554 | data_pos += line_length; |
| 555 | } |
| 556 | |
| 557 | GOOGLE_CHECK_EQ(target_ptr, |
| 558 | string_as_array(target) + pos + data_.size() + indent_size); |
| 559 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 560 | } |
| 561 | } |
| 562 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 563 | // =================================================================== |
| 564 | |
| 565 | CommandLineInterface::CommandLineInterface() |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 566 | : mode_(MODE_COMPILE), |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 567 | error_format_(ERROR_FORMAT_GCC), |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 568 | imports_in_descriptor_set_(false), |
| 569 | disallow_services_(false), |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 570 | inputs_are_proto_path_relative_(false) {} |
| 571 | CommandLineInterface::~CommandLineInterface() {} |
| 572 | |
| 573 | void CommandLineInterface::RegisterGenerator(const string& flag_name, |
| 574 | CodeGenerator* generator, |
| 575 | const string& help_text) { |
| 576 | GeneratorInfo info; |
| 577 | info.generator = generator; |
| 578 | info.help_text = help_text; |
| 579 | generators_[flag_name] = info; |
| 580 | } |
| 581 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 582 | void CommandLineInterface::AllowPlugins(const string& exe_name_prefix) { |
| 583 | plugin_prefix_ = exe_name_prefix; |
| 584 | } |
| 585 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 586 | int CommandLineInterface::Run(int argc, const char* const argv[]) { |
| 587 | Clear(); |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 588 | if (!ParseArguments(argc, argv)) return 1; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 589 | |
| 590 | // Set up the source tree. |
| 591 | DiskSourceTree source_tree; |
| 592 | for (int i = 0; i < proto_path_.size(); i++) { |
| 593 | source_tree.MapPath(proto_path_[i].first, proto_path_[i].second); |
| 594 | } |
| 595 | |
| 596 | // Map input files to virtual paths if necessary. |
| 597 | if (!inputs_are_proto_path_relative_) { |
| 598 | if (!MakeInputsBeProtoPathRelative(&source_tree)) { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 599 | return 1; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 600 | } |
| 601 | } |
| 602 | |
| 603 | // Allocate the Importer. |
kenton@google.com | 6793c1a | 2010-04-05 21:45:45 +0000 | [diff] [blame] | 604 | ErrorPrinter error_collector(error_format_, &source_tree); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 605 | Importer importer(&source_tree, &error_collector); |
| 606 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 607 | vector<const FileDescriptor*> parsed_files; |
| 608 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 609 | // Parse each file. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 610 | for (int i = 0; i < input_files_.size(); i++) { |
| 611 | // Import the file. |
| 612 | const FileDescriptor* parsed_file = importer.Import(input_files_[i]); |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 613 | if (parsed_file == NULL) return 1; |
| 614 | parsed_files.push_back(parsed_file); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 615 | |
| 616 | // Enforce --disallow_services. |
| 617 | if (disallow_services_ && parsed_file->service_count() > 0) { |
| 618 | cerr << parsed_file->name() << ": This file contains services, but " |
| 619 | "--disallow_services was used." << endl; |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 620 | return 1; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 621 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 622 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 623 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 624 | // We construct a separate GeneratorContext for each output location. Note |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 625 | // that two code generators may output to the same location, in which case |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 626 | // they should share a single GeneratorContext so that OpenForInsert() works. |
| 627 | typedef hash_map<string, GeneratorContextImpl*> GeneratorContextMap; |
| 628 | GeneratorContextMap output_directories; |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 629 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 630 | // Generate output. |
| 631 | if (mode_ == MODE_COMPILE) { |
| 632 | for (int i = 0; i < output_directives_.size(); i++) { |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 633 | string output_location = output_directives_[i].output_location; |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 634 | if (!HasSuffixString(output_location, ".zip") && |
kenton@google.com | d2fcbba | 2010-01-04 19:47:18 +0000 | [diff] [blame] | 635 | !HasSuffixString(output_location, ".jar")) { |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 636 | AddTrailingSlash(&output_location); |
| 637 | } |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 638 | GeneratorContextImpl** map_slot = &output_directories[output_location]; |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 639 | |
| 640 | if (*map_slot == NULL) { |
| 641 | // First time we've seen this output location. |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 642 | *map_slot = new GeneratorContextImpl(parsed_files); |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 643 | } |
| 644 | |
| 645 | if (!GenerateOutput(parsed_files, output_directives_[i], *map_slot)) { |
kenton@google.com | f9fa059 | 2010-01-08 05:47:13 +0000 | [diff] [blame] | 646 | STLDeleteValues(&output_directories); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 647 | return 1; |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 648 | } |
| 649 | } |
| 650 | } |
| 651 | |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 652 | // Write all output to disk. |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 653 | for (GeneratorContextMap::iterator iter = output_directories.begin(); |
kenton@google.com | f9fa059 | 2010-01-08 05:47:13 +0000 | [diff] [blame] | 654 | iter != output_directories.end(); ++iter) { |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 655 | const string& location = iter->first; |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 656 | GeneratorContextImpl* directory = iter->second; |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 657 | if (HasSuffixString(location, "/")) { |
| 658 | if (!directory->WriteAllToDisk(location)) { |
kenton@google.com | f9fa059 | 2010-01-08 05:47:13 +0000 | [diff] [blame] | 659 | STLDeleteValues(&output_directories); |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 660 | return 1; |
| 661 | } |
| 662 | } else { |
kenton@google.com | d2fcbba | 2010-01-04 19:47:18 +0000 | [diff] [blame] | 663 | if (HasSuffixString(location, ".jar")) { |
| 664 | directory->AddJarManifest(); |
| 665 | } |
| 666 | |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 667 | if (!directory->WriteAllToZip(location)) { |
kenton@google.com | f9fa059 | 2010-01-08 05:47:13 +0000 | [diff] [blame] | 668 | STLDeleteValues(&output_directories); |
kenton@google.com | 5066322 | 2009-12-24 02:12:15 +0000 | [diff] [blame] | 669 | return 1; |
| 670 | } |
| 671 | } |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 672 | } |
| 673 | |
kenton@google.com | f9fa059 | 2010-01-08 05:47:13 +0000 | [diff] [blame] | 674 | STLDeleteValues(&output_directories); |
| 675 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 676 | if (!descriptor_set_name_.empty()) { |
| 677 | if (!WriteDescriptorSet(parsed_files)) { |
| 678 | return 1; |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | if (mode_ == MODE_ENCODE || mode_ == MODE_DECODE) { |
| 683 | if (codec_type_.empty()) { |
| 684 | // HACK: Define an EmptyMessage type to use for decoding. |
| 685 | DescriptorPool pool; |
| 686 | FileDescriptorProto file; |
| 687 | file.set_name("empty_message.proto"); |
| 688 | file.add_message_type()->set_name("EmptyMessage"); |
| 689 | GOOGLE_CHECK(pool.BuildFile(file) != NULL); |
| 690 | codec_type_ = "EmptyMessage"; |
| 691 | if (!EncodeOrDecode(&pool)) { |
| 692 | return 1; |
| 693 | } |
| 694 | } else { |
| 695 | if (!EncodeOrDecode(importer.pool())) { |
| 696 | return 1; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 697 | } |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | return 0; |
| 702 | } |
| 703 | |
| 704 | void CommandLineInterface::Clear() { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 705 | // Clear all members that are set by Run(). Note that we must not clear |
| 706 | // members which are set by other methods before Run() is called. |
| 707 | executable_name_.clear(); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 708 | proto_path_.clear(); |
| 709 | input_files_.clear(); |
| 710 | output_directives_.clear(); |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 711 | codec_type_.clear(); |
| 712 | descriptor_set_name_.clear(); |
| 713 | |
| 714 | mode_ = MODE_COMPILE; |
| 715 | imports_in_descriptor_set_ = false; |
| 716 | disallow_services_ = false; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 717 | } |
| 718 | |
| 719 | bool CommandLineInterface::MakeInputsBeProtoPathRelative( |
| 720 | DiskSourceTree* source_tree) { |
| 721 | for (int i = 0; i < input_files_.size(); i++) { |
| 722 | string virtual_file, shadowing_disk_file; |
| 723 | switch (source_tree->DiskFileToVirtualFile( |
| 724 | input_files_[i], &virtual_file, &shadowing_disk_file)) { |
| 725 | case DiskSourceTree::SUCCESS: |
| 726 | input_files_[i] = virtual_file; |
| 727 | break; |
| 728 | case DiskSourceTree::SHADOWED: |
| 729 | cerr << input_files_[i] << ": Input is shadowed in the --proto_path " |
| 730 | "by \"" << shadowing_disk_file << "\". Either use the latter " |
| 731 | "file as your input or reorder the --proto_path so that the " |
| 732 | "former file's location comes first." << endl; |
| 733 | return false; |
| 734 | case DiskSourceTree::CANNOT_OPEN: |
| 735 | cerr << input_files_[i] << ": " << strerror(errno) << endl; |
| 736 | return false; |
| 737 | case DiskSourceTree::NO_MAPPING: |
| 738 | // First check if the file exists at all. |
| 739 | if (access(input_files_[i].c_str(), F_OK) < 0) { |
| 740 | // File does not even exist. |
| 741 | cerr << input_files_[i] << ": " << strerror(ENOENT) << endl; |
| 742 | } else { |
| 743 | cerr << input_files_[i] << ": File does not reside within any path " |
| 744 | "specified using --proto_path (or -I). You must specify a " |
kenton@google.com | 477f799 | 2009-10-07 21:38:11 +0000 | [diff] [blame] | 745 | "--proto_path which encompasses this file. Note that the " |
| 746 | "proto_path must be an exact prefix of the .proto file " |
| 747 | "names -- protoc is too dumb to figure out when two paths " |
| 748 | "(e.g. absolute and relative) are equivalent (it's harder " |
| 749 | "than you think)." << endl; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 750 | } |
| 751 | return false; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | return true; |
| 756 | } |
| 757 | |
| 758 | bool CommandLineInterface::ParseArguments(int argc, const char* const argv[]) { |
| 759 | executable_name_ = argv[0]; |
| 760 | |
| 761 | // Iterate through all arguments and parse them. |
| 762 | for (int i = 1; i < argc; i++) { |
| 763 | string name, value; |
| 764 | |
| 765 | if (ParseArgument(argv[i], &name, &value)) { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 766 | // Returned true => Use the next argument as the flag value. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 767 | if (i + 1 == argc || argv[i+1][0] == '-') { |
| 768 | cerr << "Missing value for flag: " << name << endl; |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 769 | if (name == "--decode") { |
| 770 | cerr << "To decode an unknown message, use --decode_raw." << endl; |
| 771 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 772 | return false; |
| 773 | } else { |
| 774 | ++i; |
| 775 | value = argv[i]; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | if (!InterpretArgument(name, value)) return false; |
| 780 | } |
| 781 | |
| 782 | // If no --proto_path was given, use the current working directory. |
| 783 | if (proto_path_.empty()) { |
| 784 | proto_path_.push_back(make_pair("", ".")); |
| 785 | } |
| 786 | |
| 787 | // Check some errror cases. |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 788 | bool decoding_raw = (mode_ == MODE_DECODE) && codec_type_.empty(); |
| 789 | if (decoding_raw && !input_files_.empty()) { |
| 790 | cerr << "When using --decode_raw, no input files should be given." << endl; |
| 791 | return false; |
| 792 | } else if (!decoding_raw && input_files_.empty()) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 793 | cerr << "Missing input file." << endl; |
| 794 | return false; |
| 795 | } |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 796 | if (mode_ == MODE_COMPILE && output_directives_.empty() && |
| 797 | descriptor_set_name_.empty()) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 798 | cerr << "Missing output directives." << endl; |
| 799 | return false; |
| 800 | } |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 801 | if (imports_in_descriptor_set_ && descriptor_set_name_.empty()) { |
| 802 | cerr << "--include_imports only makes sense when combined with " |
kenton@google.com | d0580ea | 2008-11-07 02:07:18 +0000 | [diff] [blame] | 803 | "--descriptor_set_out." << endl; |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 804 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 805 | |
| 806 | return true; |
| 807 | } |
| 808 | |
| 809 | bool CommandLineInterface::ParseArgument(const char* arg, |
| 810 | string* name, string* value) { |
| 811 | bool parsed_value = false; |
| 812 | |
| 813 | if (arg[0] != '-') { |
| 814 | // Not a flag. |
| 815 | name->clear(); |
| 816 | parsed_value = true; |
| 817 | *value = arg; |
| 818 | } else if (arg[1] == '-') { |
| 819 | // Two dashes: Multi-character name, with '=' separating name and |
| 820 | // value. |
| 821 | const char* equals_pos = strchr(arg, '='); |
| 822 | if (equals_pos != NULL) { |
| 823 | *name = string(arg, equals_pos - arg); |
| 824 | *value = equals_pos + 1; |
| 825 | parsed_value = true; |
| 826 | } else { |
| 827 | *name = arg; |
| 828 | } |
| 829 | } else { |
| 830 | // One dash: One-character name, all subsequent characters are the |
| 831 | // value. |
| 832 | if (arg[1] == '\0') { |
| 833 | // arg is just "-". We treat this as an input file, except that at |
| 834 | // present this will just lead to a "file not found" error. |
| 835 | name->clear(); |
| 836 | *value = arg; |
| 837 | parsed_value = true; |
| 838 | } else { |
| 839 | *name = string(arg, 2); |
| 840 | *value = arg + 2; |
| 841 | parsed_value = !value->empty(); |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | // Need to return true iff the next arg should be used as the value for this |
| 846 | // one, false otherwise. |
| 847 | |
| 848 | if (parsed_value) { |
| 849 | // We already parsed a value for this flag. |
| 850 | return false; |
| 851 | } |
| 852 | |
| 853 | if (*name == "-h" || *name == "--help" || |
| 854 | *name == "--disallow_services" || |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 855 | *name == "--include_imports" || |
| 856 | *name == "--version" || |
| 857 | *name == "--decode_raw") { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 858 | // HACK: These are the only flags that don't take a value. |
| 859 | // They probably should not be hard-coded like this but for now it's |
| 860 | // not worth doing better. |
| 861 | return false; |
| 862 | } |
| 863 | |
| 864 | // Next argument is the flag value. |
| 865 | return true; |
| 866 | } |
| 867 | |
| 868 | bool CommandLineInterface::InterpretArgument(const string& name, |
| 869 | const string& value) { |
| 870 | if (name.empty()) { |
| 871 | // Not a flag. Just a filename. |
| 872 | if (value.empty()) { |
| 873 | cerr << "You seem to have passed an empty string as one of the " |
| 874 | "arguments to " << executable_name_ << ". This is actually " |
| 875 | "sort of hard to do. Congrats. Unfortunately it is not valid " |
| 876 | "input so the program is going to die now." << endl; |
| 877 | return false; |
| 878 | } |
| 879 | |
| 880 | input_files_.push_back(value); |
| 881 | |
| 882 | } else if (name == "-I" || name == "--proto_path") { |
| 883 | // Java's -classpath (and some other languages) delimits path components |
| 884 | // with colons. Let's accept that syntax too just to make things more |
| 885 | // intuitive. |
| 886 | vector<string> parts; |
| 887 | SplitStringUsing(value, kPathSeparator, &parts); |
| 888 | |
| 889 | for (int i = 0; i < parts.size(); i++) { |
| 890 | string virtual_path; |
| 891 | string disk_path; |
| 892 | |
| 893 | int equals_pos = parts[i].find_first_of('='); |
| 894 | if (equals_pos == string::npos) { |
| 895 | virtual_path = ""; |
| 896 | disk_path = parts[i]; |
| 897 | } else { |
| 898 | virtual_path = parts[i].substr(0, equals_pos); |
| 899 | disk_path = parts[i].substr(equals_pos + 1); |
| 900 | } |
| 901 | |
| 902 | if (disk_path.empty()) { |
| 903 | cerr << "--proto_path passed empty directory name. (Use \".\" for " |
| 904 | "current directory.)" << endl; |
| 905 | return false; |
| 906 | } |
| 907 | |
| 908 | // Make sure disk path exists, warn otherwise. |
| 909 | if (access(disk_path.c_str(), F_OK) < 0) { |
| 910 | cerr << disk_path << ": warning: directory does not exist." << endl; |
| 911 | } |
| 912 | |
| 913 | proto_path_.push_back(make_pair(virtual_path, disk_path)); |
| 914 | } |
| 915 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 916 | } else if (name == "-o" || name == "--descriptor_set_out") { |
| 917 | if (!descriptor_set_name_.empty()) { |
| 918 | cerr << name << " may only be passed once." << endl; |
| 919 | return false; |
| 920 | } |
| 921 | if (value.empty()) { |
| 922 | cerr << name << " requires a non-empty value." << endl; |
| 923 | return false; |
| 924 | } |
| 925 | if (mode_ != MODE_COMPILE) { |
| 926 | cerr << "Cannot use --encode or --decode and generate descriptors at the " |
| 927 | "same time." << endl; |
| 928 | return false; |
| 929 | } |
| 930 | descriptor_set_name_ = value; |
| 931 | |
| 932 | } else if (name == "--include_imports") { |
| 933 | if (imports_in_descriptor_set_) { |
| 934 | cerr << name << " may only be passed once." << endl; |
| 935 | return false; |
| 936 | } |
| 937 | imports_in_descriptor_set_ = true; |
| 938 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 939 | } else if (name == "-h" || name == "--help") { |
| 940 | PrintHelpText(); |
| 941 | return false; // Exit without running compiler. |
| 942 | |
| 943 | } else if (name == "--version") { |
| 944 | if (!version_info_.empty()) { |
| 945 | cout << version_info_ << endl; |
| 946 | } |
| 947 | cout << "libprotoc " |
| 948 | << protobuf::internal::VersionString(GOOGLE_PROTOBUF_VERSION) |
| 949 | << endl; |
| 950 | return false; // Exit without running compiler. |
| 951 | |
| 952 | } else if (name == "--disallow_services") { |
| 953 | disallow_services_ = true; |
| 954 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 955 | } else if (name == "--encode" || name == "--decode" || |
| 956 | name == "--decode_raw") { |
| 957 | if (mode_ != MODE_COMPILE) { |
| 958 | cerr << "Only one of --encode and --decode can be specified." << endl; |
| 959 | return false; |
| 960 | } |
| 961 | if (!output_directives_.empty() || !descriptor_set_name_.empty()) { |
| 962 | cerr << "Cannot use " << name |
| 963 | << " and generate code or descriptors at the same time." << endl; |
| 964 | return false; |
| 965 | } |
| 966 | |
| 967 | mode_ = (name == "--encode") ? MODE_ENCODE : MODE_DECODE; |
| 968 | |
| 969 | if (value.empty() && name != "--decode_raw") { |
| 970 | cerr << "Type name for " << name << " cannot be blank." << endl; |
| 971 | if (name == "--decode") { |
| 972 | cerr << "To decode an unknown message, use --decode_raw." << endl; |
| 973 | } |
| 974 | return false; |
| 975 | } else if (!value.empty() && name == "--decode_raw") { |
| 976 | cerr << "--decode_raw does not take a parameter." << endl; |
| 977 | return false; |
| 978 | } |
| 979 | |
| 980 | codec_type_ = value; |
| 981 | |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 982 | } else if (name == "--error_format") { |
| 983 | if (value == "gcc") { |
| 984 | error_format_ = ERROR_FORMAT_GCC; |
| 985 | } else if (value == "msvs") { |
| 986 | error_format_ = ERROR_FORMAT_MSVS; |
| 987 | } else { |
| 988 | cerr << "Unknown error format: " << value << endl; |
| 989 | return false; |
| 990 | } |
| 991 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 992 | } else if (name == "--plugin") { |
| 993 | if (plugin_prefix_.empty()) { |
| 994 | cerr << "This compiler does not support plugins." << endl; |
| 995 | return false; |
| 996 | } |
| 997 | |
| 998 | string name; |
| 999 | string path; |
| 1000 | |
| 1001 | string::size_type equals_pos = value.find_first_of('='); |
| 1002 | if (equals_pos == string::npos) { |
| 1003 | // Use the basename of the file. |
| 1004 | string::size_type slash_pos = value.find_last_of('/'); |
| 1005 | if (slash_pos == string::npos) { |
| 1006 | name = value; |
| 1007 | } else { |
| 1008 | name = value.substr(slash_pos + 1); |
| 1009 | } |
| 1010 | path = value; |
| 1011 | } else { |
| 1012 | name = value.substr(0, equals_pos); |
| 1013 | path = value.substr(equals_pos + 1); |
| 1014 | } |
| 1015 | |
| 1016 | plugins_[name] = path; |
| 1017 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1018 | } else { |
| 1019 | // Some other flag. Look it up in the generators list. |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1020 | const GeneratorInfo* generator_info = FindOrNull(generators_, name); |
| 1021 | if (generator_info == NULL && |
| 1022 | (plugin_prefix_.empty() || !HasSuffixString(name, "_out"))) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1023 | cerr << "Unknown flag: " << name << endl; |
| 1024 | return false; |
| 1025 | } |
| 1026 | |
| 1027 | // It's an output flag. Add it to the output directives. |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1028 | if (mode_ != MODE_COMPILE) { |
| 1029 | cerr << "Cannot use --encode or --decode and generate code at the " |
| 1030 | "same time." << endl; |
| 1031 | return false; |
| 1032 | } |
| 1033 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1034 | OutputDirective directive; |
| 1035 | directive.name = name; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1036 | if (generator_info == NULL) { |
| 1037 | directive.generator = NULL; |
| 1038 | } else { |
| 1039 | directive.generator = generator_info->generator; |
| 1040 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1041 | |
| 1042 | // Split value at ':' to separate the generator parameter from the |
temporal | cc93043 | 2008-07-21 20:28:30 +0000 | [diff] [blame] | 1043 | // filename. However, avoid doing this if the colon is part of a valid |
| 1044 | // Windows-style absolute path. |
| 1045 | string::size_type colon_pos = value.find_first_of(':'); |
| 1046 | if (colon_pos == string::npos || IsWindowsAbsolutePath(value)) { |
| 1047 | directive.output_location = value; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1048 | } else { |
temporal | cc93043 | 2008-07-21 20:28:30 +0000 | [diff] [blame] | 1049 | directive.parameter = value.substr(0, colon_pos); |
| 1050 | directive.output_location = value.substr(colon_pos + 1); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1051 | } |
| 1052 | |
| 1053 | output_directives_.push_back(directive); |
| 1054 | } |
| 1055 | |
| 1056 | return true; |
| 1057 | } |
| 1058 | |
| 1059 | void CommandLineInterface::PrintHelpText() { |
| 1060 | // Sorry for indentation here; line wrapping would be uglier. |
| 1061 | cerr << |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1062 | "Usage: " << executable_name_ << " [OPTION] PROTO_FILES\n" |
| 1063 | "Parse PROTO_FILES and generate output based on the options given:\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1064 | " -IPATH, --proto_path=PATH Specify the directory in which to search for\n" |
| 1065 | " imports. May be specified multiple times;\n" |
| 1066 | " directories will be searched in order. If not\n" |
| 1067 | " given, the current working directory is used.\n" |
| 1068 | " --version Show version info and exit.\n" |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1069 | " -h, --help Show this text and exit.\n" |
| 1070 | " --encode=MESSAGE_TYPE Read a text-format message of the given type\n" |
| 1071 | " from standard input and write it in binary\n" |
| 1072 | " to standard output. The message type must\n" |
| 1073 | " be defined in PROTO_FILES or their imports.\n" |
| 1074 | " --decode=MESSAGE_TYPE Read a binary message of the given type from\n" |
| 1075 | " standard input and write it in text format\n" |
| 1076 | " to standard output. The message type must\n" |
| 1077 | " be defined in PROTO_FILES or their imports.\n" |
| 1078 | " --decode_raw Read an arbitrary protocol message from\n" |
| 1079 | " standard input and write the raw tag/value\n" |
| 1080 | " pairs in text format to standard output. No\n" |
| 1081 | " PROTO_FILES should be given when using this\n" |
| 1082 | " flag.\n" |
| 1083 | " -oFILE, Writes a FileDescriptorSet (a protocol buffer,\n" |
| 1084 | " --descriptor_set_out=FILE defined in descriptor.proto) containing all of\n" |
| 1085 | " the input files to FILE.\n" |
| 1086 | " --include_imports When using --descriptor_set_out, also include\n" |
| 1087 | " all dependencies of the input files in the\n" |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 1088 | " set, so that the set is self-contained.\n" |
| 1089 | " --error_format=FORMAT Set the format in which to print errors.\n" |
| 1090 | " FORMAT may be 'gcc' (the default) or 'msvs'\n" |
| 1091 | " (Microsoft Visual Studio format)." << endl; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1092 | if (!plugin_prefix_.empty()) { |
| 1093 | cerr << |
| 1094 | " --plugin=EXECUTABLE Specifies a plugin executable to use.\n" |
| 1095 | " Normally, protoc searches the PATH for\n" |
| 1096 | " plugins, but you may specify additional\n" |
| 1097 | " executables not in the path using this flag.\n" |
| 1098 | " Additionally, EXECUTABLE may be of the form\n" |
| 1099 | " NAME=PATH, in which case the given plugin name\n" |
| 1100 | " is mapped to the given executable even if\n" |
| 1101 | " the executable's own name differs." << endl; |
| 1102 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1103 | |
| 1104 | for (GeneratorMap::iterator iter = generators_.begin(); |
| 1105 | iter != generators_.end(); ++iter) { |
| 1106 | // FIXME(kenton): If the text is long enough it will wrap, which is ugly, |
| 1107 | // but fixing this nicely (e.g. splitting on spaces) is probably more |
| 1108 | // trouble than it's worth. |
| 1109 | cerr << " " << iter->first << "=OUT_DIR " |
| 1110 | << string(19 - iter->first.size(), ' ') // Spaces for alignment. |
| 1111 | << iter->second.help_text << endl; |
| 1112 | } |
| 1113 | } |
| 1114 | |
| 1115 | bool CommandLineInterface::GenerateOutput( |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1116 | const vector<const FileDescriptor*>& parsed_files, |
kenton@google.com | 5f12164 | 2009-12-23 07:03:06 +0000 | [diff] [blame] | 1117 | const OutputDirective& output_directive, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1118 | GeneratorContext* generator_context) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1119 | // Call the generator. |
| 1120 | string error; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1121 | if (output_directive.generator == NULL) { |
| 1122 | // This is a plugin. |
| 1123 | GOOGLE_CHECK(HasPrefixString(output_directive.name, "--") && |
| 1124 | HasSuffixString(output_directive.name, "_out")) |
| 1125 | << "Bad name for plugin generator: " << output_directive.name; |
| 1126 | |
| 1127 | // Strip the "--" and "_out" and add the plugin prefix. |
| 1128 | string plugin_name = plugin_prefix_ + "gen-" + |
| 1129 | output_directive.name.substr(2, output_directive.name.size() - 6); |
| 1130 | |
| 1131 | if (!GeneratePluginOutput(parsed_files, plugin_name, |
| 1132 | output_directive.parameter, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1133 | generator_context, &error)) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1134 | cerr << output_directive.name << ": " << error << endl; |
| 1135 | return false; |
| 1136 | } |
| 1137 | } else { |
| 1138 | // Regular generator. |
| 1139 | for (int i = 0; i < parsed_files.size(); i++) { |
| 1140 | if (!output_directive.generator->Generate( |
| 1141 | parsed_files[i], output_directive.parameter, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1142 | generator_context, &error)) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1143 | // Generator returned an error. |
| 1144 | cerr << output_directive.name << ": " << parsed_files[i]->name() << ": " |
| 1145 | << error << endl; |
| 1146 | return false; |
| 1147 | } |
| 1148 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1149 | } |
| 1150 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1151 | return true; |
| 1152 | } |
| 1153 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1154 | bool CommandLineInterface::GeneratePluginOutput( |
| 1155 | const vector<const FileDescriptor*>& parsed_files, |
| 1156 | const string& plugin_name, |
| 1157 | const string& parameter, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1158 | GeneratorContext* generator_context, |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1159 | string* error) { |
| 1160 | CodeGeneratorRequest request; |
| 1161 | CodeGeneratorResponse response; |
| 1162 | |
| 1163 | // Build the request. |
| 1164 | if (!parameter.empty()) { |
| 1165 | request.set_parameter(parameter); |
| 1166 | } |
| 1167 | |
| 1168 | set<const FileDescriptor*> already_seen; |
| 1169 | for (int i = 0; i < parsed_files.size(); i++) { |
| 1170 | request.add_file_to_generate(parsed_files[i]->name()); |
| 1171 | GetTransitiveDependencies(parsed_files[i], &already_seen, |
| 1172 | request.mutable_proto_file()); |
| 1173 | } |
| 1174 | |
| 1175 | // Invoke the plugin. |
| 1176 | Subprocess subprocess; |
| 1177 | |
| 1178 | if (plugins_.count(plugin_name) > 0) { |
| 1179 | subprocess.Start(plugins_[plugin_name], Subprocess::EXACT_NAME); |
| 1180 | } else { |
| 1181 | subprocess.Start(plugin_name, Subprocess::SEARCH_PATH); |
| 1182 | } |
| 1183 | |
| 1184 | string communicate_error; |
| 1185 | if (!subprocess.Communicate(request, &response, &communicate_error)) { |
| 1186 | *error = strings::Substitute("$0: $1", plugin_name, communicate_error); |
| 1187 | return false; |
| 1188 | } |
| 1189 | |
| 1190 | // Write the files. We do this even if there was a generator error in order |
| 1191 | // to match the behavior of a compiled-in generator. |
| 1192 | scoped_ptr<io::ZeroCopyOutputStream> current_output; |
| 1193 | for (int i = 0; i < response.file_size(); i++) { |
| 1194 | const CodeGeneratorResponse::File& output_file = response.file(i); |
| 1195 | |
| 1196 | if (!output_file.insertion_point().empty()) { |
| 1197 | // Open a file for insert. |
| 1198 | // We reset current_output to NULL first so that the old file is closed |
| 1199 | // before the new one is opened. |
| 1200 | current_output.reset(); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1201 | current_output.reset(generator_context->OpenForInsert( |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1202 | output_file.name(), output_file.insertion_point())); |
| 1203 | } else if (!output_file.name().empty()) { |
| 1204 | // Starting a new file. Open it. |
| 1205 | // We reset current_output to NULL first so that the old file is closed |
| 1206 | // before the new one is opened. |
| 1207 | current_output.reset(); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1208 | current_output.reset(generator_context->Open(output_file.name())); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1209 | } else if (current_output == NULL) { |
| 1210 | *error = strings::Substitute( |
| 1211 | "$0: First file chunk returned by plugin did not specify a file name.", |
| 1212 | plugin_name); |
| 1213 | return false; |
| 1214 | } |
| 1215 | |
| 1216 | // Use CodedOutputStream for convenience; otherwise we'd need to provide |
| 1217 | // our own buffer-copying loop. |
| 1218 | io::CodedOutputStream writer(current_output.get()); |
| 1219 | writer.WriteString(output_file.content()); |
| 1220 | } |
| 1221 | |
| 1222 | // Check for errors. |
| 1223 | if (!response.error().empty()) { |
| 1224 | // Generator returned an error. |
| 1225 | *error = response.error(); |
| 1226 | return false; |
| 1227 | } |
| 1228 | |
| 1229 | return true; |
| 1230 | } |
| 1231 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1232 | bool CommandLineInterface::EncodeOrDecode(const DescriptorPool* pool) { |
| 1233 | // Look up the type. |
| 1234 | const Descriptor* type = pool->FindMessageTypeByName(codec_type_); |
| 1235 | if (type == NULL) { |
| 1236 | cerr << "Type not defined: " << codec_type_ << endl; |
| 1237 | return false; |
| 1238 | } |
| 1239 | |
| 1240 | DynamicMessageFactory dynamic_factory(pool); |
| 1241 | scoped_ptr<Message> message(dynamic_factory.GetPrototype(type)->New()); |
| 1242 | |
| 1243 | if (mode_ == MODE_ENCODE) { |
| 1244 | SetFdToTextMode(STDIN_FILENO); |
| 1245 | SetFdToBinaryMode(STDOUT_FILENO); |
| 1246 | } else { |
| 1247 | SetFdToBinaryMode(STDIN_FILENO); |
| 1248 | SetFdToTextMode(STDOUT_FILENO); |
| 1249 | } |
| 1250 | |
| 1251 | io::FileInputStream in(STDIN_FILENO); |
| 1252 | io::FileOutputStream out(STDOUT_FILENO); |
| 1253 | |
| 1254 | if (mode_ == MODE_ENCODE) { |
| 1255 | // Input is text. |
kenton@google.com | f663b16 | 2009-04-15 19:50:54 +0000 | [diff] [blame] | 1256 | ErrorPrinter error_collector(error_format_); |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1257 | TextFormat::Parser parser; |
| 1258 | parser.RecordErrorsTo(&error_collector); |
| 1259 | parser.AllowPartialMessage(true); |
| 1260 | |
| 1261 | if (!parser.Parse(&in, message.get())) { |
| 1262 | cerr << "Failed to parse input." << endl; |
| 1263 | return false; |
| 1264 | } |
| 1265 | } else { |
| 1266 | // Input is binary. |
| 1267 | if (!message->ParsePartialFromZeroCopyStream(&in)) { |
| 1268 | cerr << "Failed to parse input." << endl; |
| 1269 | return false; |
| 1270 | } |
| 1271 | } |
| 1272 | |
| 1273 | if (!message->IsInitialized()) { |
| 1274 | cerr << "warning: Input message is missing required fields: " |
| 1275 | << message->InitializationErrorString() << endl; |
| 1276 | } |
| 1277 | |
| 1278 | if (mode_ == MODE_ENCODE) { |
| 1279 | // Output is binary. |
| 1280 | if (!message->SerializePartialToZeroCopyStream(&out)) { |
| 1281 | cerr << "output: I/O error." << endl; |
| 1282 | return false; |
| 1283 | } |
| 1284 | } else { |
| 1285 | // Output is text. |
| 1286 | if (!TextFormat::Print(*message, &out)) { |
| 1287 | cerr << "output: I/O error." << endl; |
| 1288 | return false; |
| 1289 | } |
| 1290 | } |
| 1291 | |
| 1292 | return true; |
| 1293 | } |
| 1294 | |
| 1295 | bool CommandLineInterface::WriteDescriptorSet( |
| 1296 | const vector<const FileDescriptor*> parsed_files) { |
| 1297 | FileDescriptorSet file_set; |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1298 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1299 | if (imports_in_descriptor_set_) { |
| 1300 | set<const FileDescriptor*> already_seen; |
| 1301 | for (int i = 0; i < parsed_files.size(); i++) { |
| 1302 | GetTransitiveDependencies( |
| 1303 | parsed_files[i], &already_seen, file_set.mutable_file()); |
| 1304 | } |
| 1305 | } else { |
| 1306 | for (int i = 0; i < parsed_files.size(); i++) { |
| 1307 | parsed_files[i]->CopyTo(file_set.add_file()); |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1308 | } |
| 1309 | } |
| 1310 | |
| 1311 | int fd; |
| 1312 | do { |
| 1313 | fd = open(descriptor_set_name_.c_str(), |
| 1314 | O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666); |
| 1315 | } while (fd < 0 && errno == EINTR); |
| 1316 | |
| 1317 | if (fd < 0) { |
| 1318 | perror(descriptor_set_name_.c_str()); |
| 1319 | return false; |
| 1320 | } |
| 1321 | |
| 1322 | io::FileOutputStream out(fd); |
| 1323 | if (!file_set.SerializeToZeroCopyStream(&out)) { |
| 1324 | cerr << descriptor_set_name_ << ": " << strerror(out.GetErrno()) << endl; |
| 1325 | out.Close(); |
| 1326 | return false; |
| 1327 | } |
| 1328 | if (!out.Close()) { |
| 1329 | cerr << descriptor_set_name_ << ": " << strerror(out.GetErrno()) << endl; |
| 1330 | return false; |
| 1331 | } |
| 1332 | |
| 1333 | return true; |
| 1334 | } |
| 1335 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1336 | void CommandLineInterface::GetTransitiveDependencies( |
| 1337 | const FileDescriptor* file, |
| 1338 | set<const FileDescriptor*>* already_seen, |
| 1339 | RepeatedPtrField<FileDescriptorProto>* output) { |
| 1340 | if (!already_seen->insert(file).second) { |
| 1341 | // Already saw this file. Skip. |
| 1342 | return; |
| 1343 | } |
| 1344 | |
| 1345 | // Add all dependencies. |
| 1346 | for (int i = 0; i < file->dependency_count(); i++) { |
| 1347 | GetTransitiveDependencies(file->dependency(i), already_seen, output); |
| 1348 | } |
| 1349 | |
| 1350 | // Add this file. |
| 1351 | file->CopyTo(output->Add()); |
| 1352 | } |
| 1353 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1354 | |
| 1355 | } // namespace compiler |
| 1356 | } // namespace protobuf |
| 1357 | } // namespace google |