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: jschorr@google.com (Joseph Schorr) |
| 32 | // Based on original Protocol Buffers design by |
| 33 | // Sanjay Ghemawat, Jeff Dean, and others. |
| 34 | |
| 35 | #include <float.h> |
| 36 | #include <math.h> |
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 <stack> |
| 39 | #include <limits> |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 40 | #include <vector> |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 41 | |
| 42 | #include <google/protobuf/text_format.h> |
| 43 | |
| 44 | #include <google/protobuf/descriptor.h> |
| 45 | #include <google/protobuf/io/coded_stream.h> |
| 46 | #include <google/protobuf/io/zero_copy_stream.h> |
| 47 | #include <google/protobuf/io/zero_copy_stream_impl.h> |
| 48 | #include <google/protobuf/unknown_field_set.h> |
| 49 | #include <google/protobuf/descriptor.pb.h> |
| 50 | #include <google/protobuf/io/tokenizer.h> |
| 51 | #include <google/protobuf/stubs/strutil.h> |
| 52 | |
| 53 | namespace google { |
| 54 | namespace protobuf { |
| 55 | |
| 56 | string Message::DebugString() const { |
| 57 | string debug_string; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 58 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 59 | TextFormat::PrintToString(*this, &debug_string); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 60 | |
| 61 | return debug_string; |
| 62 | } |
| 63 | |
| 64 | string Message::ShortDebugString() const { |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 65 | string debug_string; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 66 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 67 | TextFormat::Printer printer; |
| 68 | printer.SetSingleLineMode(true); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 69 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 70 | printer.PrintToString(*this, &debug_string); |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 71 | // Single line mode currently might have an extra space at the end. |
| 72 | if (debug_string.size() > 0 && |
| 73 | debug_string[debug_string.size() - 1] == ' ') { |
| 74 | debug_string.resize(debug_string.size() - 1); |
| 75 | } |
| 76 | |
| 77 | return debug_string; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 78 | } |
| 79 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 80 | string Message::Utf8DebugString() const { |
| 81 | string debug_string; |
| 82 | |
| 83 | TextFormat::Printer printer; |
| 84 | printer.SetUseUtf8StringEscaping(true); |
| 85 | |
| 86 | printer.PrintToString(*this, &debug_string); |
| 87 | |
| 88 | return debug_string; |
| 89 | } |
| 90 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 91 | void Message::PrintDebugString() const { |
| 92 | printf("%s", DebugString().c_str()); |
| 93 | } |
| 94 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 95 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 96 | // =========================================================================== |
| 97 | // Internal class for parsing an ASCII representation of a Protocol Message. |
| 98 | // This class makes use of the Protocol Message compiler's tokenizer found |
| 99 | // in //google/protobuf/io/tokenizer.h. Note that class's Parse |
| 100 | // method is *not* thread-safe and should only be used in a single thread at |
| 101 | // a time. |
| 102 | |
| 103 | // Makes code slightly more readable. The meaning of "DO(foo)" is |
| 104 | // "Execute foo and fail if it fails.", where failure is indicated by |
| 105 | // returning false. Borrowed from parser.cc (Thanks Kenton!). |
| 106 | #define DO(STATEMENT) if (STATEMENT) {} else return false |
| 107 | |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 108 | class TextFormat::Parser::ParserImpl { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 109 | public: |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 110 | |
| 111 | // Determines if repeated values for a non-repeated field are |
| 112 | // permitted, e.g., the string "foo: 1 foo: 2" for a |
| 113 | // required/optional field named "foo". |
| 114 | enum SingularOverwritePolicy { |
| 115 | ALLOW_SINGULAR_OVERWRITES = 0, // the last value is retained |
| 116 | FORBID_SINGULAR_OVERWRITES = 1, // an error is issued |
| 117 | }; |
| 118 | |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 119 | ParserImpl(const Descriptor* root_message_type, |
| 120 | io::ZeroCopyInputStream* input_stream, |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 121 | io::ErrorCollector* error_collector, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 122 | TextFormat::Finder* finder, |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 123 | SingularOverwritePolicy singular_overwrite_policy) |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 124 | : error_collector_(error_collector), |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 125 | finder_(finder), |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 126 | tokenizer_error_collector_(this), |
| 127 | tokenizer_(input_stream, &tokenizer_error_collector_), |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 128 | root_message_type_(root_message_type), |
| 129 | singular_overwrite_policy_(singular_overwrite_policy), |
| 130 | had_errors_(false) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 131 | // For backwards-compatibility with proto1, we need to allow the 'f' suffix |
| 132 | // for floats. |
| 133 | tokenizer_.set_allow_f_after_float(true); |
| 134 | |
| 135 | // '#' starts a comment. |
| 136 | tokenizer_.set_comment_style(io::Tokenizer::SH_COMMENT_STYLE); |
| 137 | |
| 138 | // Consume the starting token. |
| 139 | tokenizer_.Next(); |
| 140 | } |
| 141 | ~ParserImpl() { } |
| 142 | |
| 143 | // Parses the ASCII representation specified in input and saves the |
| 144 | // information into the output pointer (a Message). Returns |
| 145 | // false if an error occurs (an error will also be logged to |
| 146 | // GOOGLE_LOG(ERROR)). |
| 147 | bool Parse(Message* output) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 148 | // Consume fields until we cannot do so anymore. |
| 149 | while(true) { |
| 150 | if (LookingAtType(io::Tokenizer::TYPE_END)) { |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 151 | return !had_errors_; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 152 | } |
| 153 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 154 | DO(ConsumeField(output)); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 155 | } |
| 156 | } |
| 157 | |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 158 | bool ParseField(const FieldDescriptor* field, Message* output) { |
| 159 | bool suc; |
| 160 | if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { |
| 161 | suc = ConsumeFieldMessage(output, output->GetReflection(), field); |
| 162 | } else { |
| 163 | suc = ConsumeFieldValue(output, output->GetReflection(), field); |
| 164 | } |
| 165 | return suc && LookingAtType(io::Tokenizer::TYPE_END); |
| 166 | } |
| 167 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 168 | void ReportError(int line, int col, const string& message) { |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 169 | had_errors_ = true; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 170 | if (error_collector_ == NULL) { |
| 171 | if (line >= 0) { |
| 172 | GOOGLE_LOG(ERROR) << "Error parsing text-format " |
| 173 | << root_message_type_->full_name() |
| 174 | << ": " << (line + 1) << ":" |
| 175 | << (col + 1) << ": " << message; |
| 176 | } else { |
| 177 | GOOGLE_LOG(ERROR) << "Error parsing text-format " |
| 178 | << root_message_type_->full_name() |
| 179 | << ": " << message; |
| 180 | } |
| 181 | } else { |
| 182 | error_collector_->AddError(line, col, message); |
| 183 | } |
| 184 | } |
| 185 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 186 | void ReportWarning(int line, int col, const string& message) { |
| 187 | if (error_collector_ == NULL) { |
| 188 | if (line >= 0) { |
| 189 | GOOGLE_LOG(WARNING) << "Warning parsing text-format " |
| 190 | << root_message_type_->full_name() |
| 191 | << ": " << (line + 1) << ":" |
| 192 | << (col + 1) << ": " << message; |
| 193 | } else { |
| 194 | GOOGLE_LOG(WARNING) << "Warning parsing text-format " |
| 195 | << root_message_type_->full_name() |
| 196 | << ": " << message; |
| 197 | } |
| 198 | } else { |
| 199 | error_collector_->AddWarning(line, col, message); |
| 200 | } |
| 201 | } |
| 202 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 203 | private: |
| 204 | GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ParserImpl); |
| 205 | |
| 206 | // Reports an error with the given message with information indicating |
| 207 | // the position (as derived from the current token). |
| 208 | void ReportError(const string& message) { |
| 209 | ReportError(tokenizer_.current().line, tokenizer_.current().column, |
| 210 | message); |
| 211 | } |
| 212 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 213 | // Reports a warning with the given message with information indicating |
| 214 | // the position (as derived from the current token). |
| 215 | void ReportWarning(const string& message) { |
| 216 | ReportWarning(tokenizer_.current().line, tokenizer_.current().column, |
| 217 | message); |
| 218 | } |
| 219 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 220 | // Consumes the specified message with the given starting delimeter. |
| 221 | // This method checks to see that the end delimeter at the conclusion of |
| 222 | // the consumption matches the starting delimeter passed in here. |
| 223 | bool ConsumeMessage(Message* message, const string delimeter) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 224 | while (!LookingAt(">") && !LookingAt("}")) { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 225 | DO(ConsumeField(message)); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | // Confirm that we have a valid ending delimeter. |
| 229 | DO(Consume(delimeter)); |
| 230 | |
| 231 | return true; |
| 232 | } |
| 233 | |
| 234 | // Consumes the current field (as returned by the tokenizer) on the |
| 235 | // passed in message. |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 236 | bool ConsumeField(Message* message) { |
| 237 | const Reflection* reflection = message->GetReflection(); |
| 238 | const Descriptor* descriptor = message->GetDescriptor(); |
| 239 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 240 | string field_name; |
| 241 | |
| 242 | const FieldDescriptor* field = NULL; |
| 243 | |
| 244 | if (TryConsume("[")) { |
| 245 | // Extension. |
| 246 | DO(ConsumeIdentifier(&field_name)); |
| 247 | while (TryConsume(".")) { |
| 248 | string part; |
| 249 | DO(ConsumeIdentifier(&part)); |
| 250 | field_name += "."; |
| 251 | field_name += part; |
| 252 | } |
| 253 | DO(Consume("]")); |
| 254 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 255 | field = (finder_ != NULL |
| 256 | ? finder_->FindExtension(message, field_name) |
| 257 | : reflection->FindKnownExtensionByName(field_name)); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 258 | |
| 259 | if (field == NULL) { |
| 260 | ReportError("Extension \"" + field_name + "\" is not defined or " |
| 261 | "is not an extension of \"" + |
| 262 | descriptor->full_name() + "\"."); |
| 263 | return false; |
| 264 | } |
| 265 | } else { |
| 266 | DO(ConsumeIdentifier(&field_name)); |
| 267 | |
| 268 | field = descriptor->FindFieldByName(field_name); |
| 269 | // Group names are expected to be capitalized as they appear in the |
| 270 | // .proto file, which actually matches their type names, not their field |
| 271 | // names. |
| 272 | if (field == NULL) { |
| 273 | string lower_field_name = field_name; |
| 274 | LowerString(&lower_field_name); |
| 275 | field = descriptor->FindFieldByName(lower_field_name); |
| 276 | // If the case-insensitive match worked but the field is NOT a group, |
| 277 | if (field != NULL && field->type() != FieldDescriptor::TYPE_GROUP) { |
| 278 | field = NULL; |
| 279 | } |
| 280 | } |
| 281 | // Again, special-case group names as described above. |
| 282 | if (field != NULL && field->type() == FieldDescriptor::TYPE_GROUP |
| 283 | && field->message_type()->name() != field_name) { |
| 284 | field = NULL; |
| 285 | } |
| 286 | |
| 287 | if (field == NULL) { |
| 288 | ReportError("Message type \"" + descriptor->full_name() + |
| 289 | "\" has no field named \"" + field_name + "\"."); |
| 290 | return false; |
| 291 | } |
| 292 | } |
| 293 | |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 294 | // Fail if the field is not repeated and it has already been specified. |
| 295 | if ((singular_overwrite_policy_ == FORBID_SINGULAR_OVERWRITES) && |
| 296 | !field->is_repeated() && reflection->HasField(*message, field)) { |
| 297 | ReportError("Non-repeated field \"" + field_name + |
| 298 | "\" is specified multiple times."); |
| 299 | return false; |
| 300 | } |
| 301 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 302 | // Perform special handling for embedded message types. |
| 303 | if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 304 | // ':' is optional here. |
| 305 | TryConsume(":"); |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 306 | DO(ConsumeFieldMessage(message, reflection, field)); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 307 | } else { |
| 308 | DO(Consume(":")); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 309 | if (field->is_repeated() && TryConsume("[")) { |
| 310 | // Short repeated format, e.g. "foo: [1, 2, 3]" |
| 311 | while (true) { |
| 312 | DO(ConsumeFieldValue(message, reflection, field)); |
| 313 | if (TryConsume("]")) { |
| 314 | break; |
| 315 | } |
| 316 | DO(Consume(",")); |
| 317 | } |
| 318 | } else { |
| 319 | DO(ConsumeFieldValue(message, reflection, field)); |
| 320 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 321 | } |
| 322 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 323 | // For historical reasons, fields may optionally be separated by commas or |
| 324 | // semicolons. |
| 325 | TryConsume(";") || TryConsume(","); |
| 326 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 327 | if (field->options().deprecated()) { |
| 328 | ReportWarning("text format contains deprecated field \"" |
| 329 | + field_name + "\""); |
| 330 | } |
| 331 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 332 | return true; |
| 333 | } |
| 334 | |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 335 | bool ConsumeFieldMessage(Message* message, |
| 336 | const Reflection* reflection, |
| 337 | const FieldDescriptor* field) { |
| 338 | string delimeter; |
| 339 | if (TryConsume("<")) { |
| 340 | delimeter = ">"; |
| 341 | } else { |
| 342 | DO(Consume("{")); |
| 343 | delimeter = "}"; |
| 344 | } |
| 345 | |
| 346 | if (field->is_repeated()) { |
| 347 | DO(ConsumeMessage(reflection->AddMessage(message, field), delimeter)); |
| 348 | } else { |
| 349 | DO(ConsumeMessage(reflection->MutableMessage(message, field), |
| 350 | delimeter)); |
| 351 | } |
| 352 | return true; |
| 353 | } |
| 354 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 355 | bool ConsumeFieldValue(Message* message, |
| 356 | const Reflection* reflection, |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 357 | const FieldDescriptor* field) { |
| 358 | |
| 359 | // Define an easy to use macro for setting fields. This macro checks |
| 360 | // to see if the field is repeated (in which case we need to use the Add |
| 361 | // methods or not (in which case we need to use the Set methods). |
| 362 | #define SET_FIELD(CPPTYPE, VALUE) \ |
| 363 | if (field->is_repeated()) { \ |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 364 | reflection->Add##CPPTYPE(message, field, VALUE); \ |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 365 | } else { \ |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 366 | reflection->Set##CPPTYPE(message, field, VALUE); \ |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 367 | } \ |
| 368 | |
| 369 | switch(field->cpp_type()) { |
| 370 | case FieldDescriptor::CPPTYPE_INT32: { |
| 371 | int64 value; |
| 372 | DO(ConsumeSignedInteger(&value, kint32max)); |
| 373 | SET_FIELD(Int32, static_cast<int32>(value)); |
| 374 | break; |
| 375 | } |
| 376 | |
| 377 | case FieldDescriptor::CPPTYPE_UINT32: { |
| 378 | uint64 value; |
| 379 | DO(ConsumeUnsignedInteger(&value, kuint32max)); |
| 380 | SET_FIELD(UInt32, static_cast<uint32>(value)); |
| 381 | break; |
| 382 | } |
| 383 | |
| 384 | case FieldDescriptor::CPPTYPE_INT64: { |
| 385 | int64 value; |
| 386 | DO(ConsumeSignedInteger(&value, kint64max)); |
| 387 | SET_FIELD(Int64, value); |
| 388 | break; |
| 389 | } |
| 390 | |
| 391 | case FieldDescriptor::CPPTYPE_UINT64: { |
| 392 | uint64 value; |
| 393 | DO(ConsumeUnsignedInteger(&value, kuint64max)); |
| 394 | SET_FIELD(UInt64, value); |
| 395 | break; |
| 396 | } |
| 397 | |
| 398 | case FieldDescriptor::CPPTYPE_FLOAT: { |
| 399 | double value; |
| 400 | DO(ConsumeDouble(&value)); |
| 401 | SET_FIELD(Float, static_cast<float>(value)); |
| 402 | break; |
| 403 | } |
| 404 | |
| 405 | case FieldDescriptor::CPPTYPE_DOUBLE: { |
| 406 | double value; |
| 407 | DO(ConsumeDouble(&value)); |
| 408 | SET_FIELD(Double, value); |
| 409 | break; |
| 410 | } |
| 411 | |
| 412 | case FieldDescriptor::CPPTYPE_STRING: { |
| 413 | string value; |
| 414 | DO(ConsumeString(&value)); |
| 415 | SET_FIELD(String, value); |
| 416 | break; |
| 417 | } |
| 418 | |
| 419 | case FieldDescriptor::CPPTYPE_BOOL: { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 420 | if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) { |
| 421 | uint64 value; |
| 422 | DO(ConsumeUnsignedInteger(&value, 1)); |
| 423 | SET_FIELD(Bool, value); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 424 | } else { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 425 | string value; |
| 426 | DO(ConsumeIdentifier(&value)); |
| 427 | if (value == "true" || value == "t") { |
| 428 | SET_FIELD(Bool, true); |
| 429 | } else if (value == "false" || value == "f") { |
| 430 | SET_FIELD(Bool, false); |
| 431 | } else { |
| 432 | ReportError("Invalid value for boolean field \"" + field->name() |
| 433 | + "\". Value: \"" + value + "\"."); |
| 434 | return false; |
| 435 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 436 | } |
| 437 | break; |
| 438 | } |
| 439 | |
| 440 | case FieldDescriptor::CPPTYPE_ENUM: { |
| 441 | string value; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 442 | const EnumDescriptor* enum_type = field->enum_type(); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 443 | const EnumValueDescriptor* enum_value = NULL; |
| 444 | |
| 445 | if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) { |
| 446 | DO(ConsumeIdentifier(&value)); |
| 447 | // Find the enumeration value. |
| 448 | enum_value = enum_type->FindValueByName(value); |
| 449 | |
| 450 | } else if (LookingAt("-") || |
| 451 | LookingAtType(io::Tokenizer::TYPE_INTEGER)) { |
| 452 | int64 int_value; |
| 453 | DO(ConsumeSignedInteger(&int_value, kint32max)); |
| 454 | value = SimpleItoa(int_value); // for error reporting |
| 455 | enum_value = enum_type->FindValueByNumber(int_value); |
| 456 | } else { |
| 457 | ReportError("Expected integer or identifier."); |
| 458 | return false; |
| 459 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 460 | |
| 461 | if (enum_value == NULL) { |
| 462 | ReportError("Unknown enumeration value of \"" + value + "\" for " |
| 463 | "field \"" + field->name() + "\"."); |
| 464 | return false; |
| 465 | } |
| 466 | |
| 467 | SET_FIELD(Enum, enum_value); |
| 468 | break; |
| 469 | } |
| 470 | |
| 471 | case FieldDescriptor::CPPTYPE_MESSAGE: { |
| 472 | // We should never get here. Put here instead of a default |
| 473 | // so that if new types are added, we get a nice compiler warning. |
| 474 | GOOGLE_LOG(FATAL) << "Reached an unintended state: CPPTYPE_MESSAGE"; |
| 475 | break; |
| 476 | } |
| 477 | } |
| 478 | #undef SET_FIELD |
| 479 | return true; |
| 480 | } |
| 481 | |
| 482 | // Returns true if the current token's text is equal to that specified. |
| 483 | bool LookingAt(const string& text) { |
| 484 | return tokenizer_.current().text == text; |
| 485 | } |
| 486 | |
| 487 | // Returns true if the current token's type is equal to that specified. |
| 488 | bool LookingAtType(io::Tokenizer::TokenType token_type) { |
| 489 | return tokenizer_.current().type == token_type; |
| 490 | } |
| 491 | |
| 492 | // Consumes an identifier and saves its value in the identifier parameter. |
| 493 | // Returns false if the token is not of type IDENTFIER. |
| 494 | bool ConsumeIdentifier(string* identifier) { |
| 495 | if (!LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) { |
| 496 | ReportError("Expected identifier."); |
| 497 | return false; |
| 498 | } |
| 499 | |
| 500 | *identifier = tokenizer_.current().text; |
| 501 | |
| 502 | tokenizer_.Next(); |
| 503 | return true; |
| 504 | } |
| 505 | |
| 506 | // Consumes a string and saves its value in the text parameter. |
| 507 | // Returns false if the token is not of type STRING. |
| 508 | bool ConsumeString(string* text) { |
| 509 | if (!LookingAtType(io::Tokenizer::TYPE_STRING)) { |
| 510 | ReportError("Expected string."); |
| 511 | return false; |
| 512 | } |
| 513 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 514 | text->clear(); |
| 515 | while (LookingAtType(io::Tokenizer::TYPE_STRING)) { |
| 516 | io::Tokenizer::ParseStringAppend(tokenizer_.current().text, text); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 517 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 518 | tokenizer_.Next(); |
| 519 | } |
| 520 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 521 | return true; |
| 522 | } |
| 523 | |
| 524 | // Consumes a uint64 and saves its value in the value parameter. |
| 525 | // Returns false if the token is not of type INTEGER. |
| 526 | bool ConsumeUnsignedInteger(uint64* value, uint64 max_value) { |
| 527 | if (!LookingAtType(io::Tokenizer::TYPE_INTEGER)) { |
| 528 | ReportError("Expected integer."); |
| 529 | return false; |
| 530 | } |
| 531 | |
| 532 | if (!io::Tokenizer::ParseInteger(tokenizer_.current().text, |
| 533 | max_value, value)) { |
| 534 | ReportError("Integer out of range."); |
| 535 | return false; |
| 536 | } |
| 537 | |
| 538 | tokenizer_.Next(); |
| 539 | return true; |
| 540 | } |
| 541 | |
| 542 | // Consumes an int64 and saves its value in the value parameter. |
| 543 | // Note that since the tokenizer does not support negative numbers, |
| 544 | // we actually may consume an additional token (for the minus sign) in this |
| 545 | // method. Returns false if the token is not an integer |
| 546 | // (signed or otherwise). |
| 547 | bool ConsumeSignedInteger(int64* value, uint64 max_value) { |
| 548 | bool negative = false; |
| 549 | |
| 550 | if (TryConsume("-")) { |
| 551 | negative = true; |
| 552 | // Two's complement always allows one more negative integer than |
| 553 | // positive. |
| 554 | ++max_value; |
| 555 | } |
| 556 | |
| 557 | uint64 unsigned_value; |
| 558 | |
| 559 | DO(ConsumeUnsignedInteger(&unsigned_value, max_value)); |
| 560 | |
| 561 | *value = static_cast<int64>(unsigned_value); |
| 562 | |
| 563 | if (negative) { |
| 564 | *value = -*value; |
| 565 | } |
| 566 | |
| 567 | return true; |
| 568 | } |
| 569 | |
| 570 | // Consumes a double and saves its value in the value parameter. |
| 571 | // Note that since the tokenizer does not support negative numbers, |
| 572 | // we actually may consume an additional token (for the minus sign) in this |
| 573 | // method. Returns false if the token is not a double |
| 574 | // (signed or otherwise). |
| 575 | bool ConsumeDouble(double* value) { |
| 576 | bool negative = false; |
| 577 | |
| 578 | if (TryConsume("-")) { |
| 579 | negative = true; |
| 580 | } |
| 581 | |
| 582 | // A double can actually be an integer, according to the tokenizer. |
| 583 | // Therefore, we must check both cases here. |
| 584 | if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) { |
| 585 | // We have found an integer value for the double. |
| 586 | uint64 integer_value; |
| 587 | DO(ConsumeUnsignedInteger(&integer_value, kuint64max)); |
| 588 | |
| 589 | *value = static_cast<double>(integer_value); |
| 590 | } else if (LookingAtType(io::Tokenizer::TYPE_FLOAT)) { |
| 591 | // We have found a float value for the double. |
| 592 | *value = io::Tokenizer::ParseFloat(tokenizer_.current().text); |
| 593 | |
| 594 | // Mark the current token as consumed. |
| 595 | tokenizer_.Next(); |
| 596 | } else if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) { |
| 597 | string text = tokenizer_.current().text; |
| 598 | LowerString(&text); |
| 599 | if (text == "inf" || text == "infinity") { |
| 600 | *value = std::numeric_limits<double>::infinity(); |
| 601 | tokenizer_.Next(); |
| 602 | } else if (text == "nan") { |
| 603 | *value = std::numeric_limits<double>::quiet_NaN(); |
| 604 | tokenizer_.Next(); |
| 605 | } else { |
| 606 | ReportError("Expected double."); |
| 607 | return false; |
| 608 | } |
| 609 | } else { |
| 610 | ReportError("Expected double."); |
| 611 | return false; |
| 612 | } |
| 613 | |
| 614 | if (negative) { |
| 615 | *value = -*value; |
| 616 | } |
| 617 | |
| 618 | return true; |
| 619 | } |
| 620 | |
| 621 | // Consumes a token and confirms that it matches that specified in the |
| 622 | // value parameter. Returns false if the token found does not match that |
| 623 | // which was specified. |
| 624 | bool Consume(const string& value) { |
| 625 | const string& current_value = tokenizer_.current().text; |
| 626 | |
| 627 | if (current_value != value) { |
| 628 | ReportError("Expected \"" + value + "\", found \"" + current_value |
| 629 | + "\"."); |
| 630 | return false; |
| 631 | } |
| 632 | |
| 633 | tokenizer_.Next(); |
| 634 | |
| 635 | return true; |
| 636 | } |
| 637 | |
| 638 | // Attempts to consume the supplied value. Returns false if a the |
| 639 | // token found does not match the value specified. |
| 640 | bool TryConsume(const string& value) { |
| 641 | if (tokenizer_.current().text == value) { |
| 642 | tokenizer_.Next(); |
| 643 | return true; |
| 644 | } else { |
| 645 | return false; |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | // An internal instance of the Tokenizer's error collector, used to |
| 650 | // collect any base-level parse errors and feed them to the ParserImpl. |
| 651 | class ParserErrorCollector : public io::ErrorCollector { |
| 652 | public: |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 653 | explicit ParserErrorCollector(TextFormat::Parser::ParserImpl* parser) : |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 654 | parser_(parser) { } |
| 655 | |
| 656 | virtual ~ParserErrorCollector() { }; |
| 657 | |
| 658 | virtual void AddError(int line, int column, const string& message) { |
| 659 | parser_->ReportError(line, column, message); |
| 660 | } |
| 661 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 662 | virtual void AddWarning(int line, int column, const string& message) { |
| 663 | parser_->ReportWarning(line, column, message); |
| 664 | } |
| 665 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 666 | private: |
| 667 | GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ParserErrorCollector); |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 668 | TextFormat::Parser::ParserImpl* parser_; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 669 | }; |
| 670 | |
| 671 | io::ErrorCollector* error_collector_; |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 672 | TextFormat::Finder* finder_; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 673 | ParserErrorCollector tokenizer_error_collector_; |
| 674 | io::Tokenizer tokenizer_; |
| 675 | const Descriptor* root_message_type_; |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 676 | SingularOverwritePolicy singular_overwrite_policy_; |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 677 | bool had_errors_; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 678 | }; |
| 679 | |
| 680 | #undef DO |
| 681 | |
| 682 | // =========================================================================== |
| 683 | // Internal class for writing text to the io::ZeroCopyOutputStream. Adapted |
| 684 | // from the Printer found in //google/protobuf/io/printer.h |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 685 | class TextFormat::Printer::TextGenerator { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 686 | public: |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 687 | explicit TextGenerator(io::ZeroCopyOutputStream* output, |
| 688 | int initial_indent_level) |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 689 | : output_(output), |
| 690 | buffer_(NULL), |
| 691 | buffer_size_(0), |
| 692 | at_start_of_line_(true), |
| 693 | failed_(false), |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 694 | indent_(""), |
| 695 | initial_indent_level_(initial_indent_level) { |
| 696 | indent_.resize(initial_indent_level_ * 2, ' '); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 697 | } |
| 698 | |
| 699 | ~TextGenerator() { |
| 700 | // Only BackUp() if we're sure we've successfully called Next() at least |
| 701 | // once. |
| 702 | if (buffer_size_ > 0) { |
| 703 | output_->BackUp(buffer_size_); |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | // Indent text by two spaces. After calling Indent(), two spaces will be |
| 708 | // inserted at the beginning of each line of text. Indent() may be called |
| 709 | // multiple times to produce deeper indents. |
| 710 | void Indent() { |
| 711 | indent_ += " "; |
| 712 | } |
| 713 | |
| 714 | // Reduces the current indent level by two spaces, or crashes if the indent |
| 715 | // level is zero. |
| 716 | void Outdent() { |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 717 | if (indent_.empty() || |
| 718 | indent_.size() < initial_indent_level_ * 2) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 719 | GOOGLE_LOG(DFATAL) << " Outdent() without matching Indent()."; |
| 720 | return; |
| 721 | } |
| 722 | |
| 723 | indent_.resize(indent_.size() - 2); |
| 724 | } |
| 725 | |
| 726 | // Print text to the output stream. |
| 727 | void Print(const string& str) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 728 | Print(str.data(), str.size()); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 729 | } |
| 730 | |
| 731 | // Print text to the output stream. |
| 732 | void Print(const char* text) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 733 | Print(text, strlen(text)); |
| 734 | } |
| 735 | |
| 736 | // Print text to the output stream. |
| 737 | void Print(const char* text, int size) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 738 | int pos = 0; // The number of bytes we've written so far. |
| 739 | |
| 740 | for (int i = 0; i < size; i++) { |
| 741 | if (text[i] == '\n') { |
| 742 | // Saw newline. If there is more text, we may need to insert an indent |
| 743 | // here. So, write what we have so far, including the '\n'. |
| 744 | Write(text + pos, i - pos + 1); |
| 745 | pos = i + 1; |
| 746 | |
| 747 | // Setting this true will cause the next Write() to insert an indent |
| 748 | // first. |
| 749 | at_start_of_line_ = true; |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | // Write the rest. |
| 754 | Write(text + pos, size - pos); |
| 755 | } |
| 756 | |
| 757 | // True if any write to the underlying stream failed. (We don't just |
| 758 | // crash in this case because this is an I/O failure, not a programming |
| 759 | // error.) |
| 760 | bool failed() const { return failed_; } |
| 761 | |
| 762 | private: |
| 763 | GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(TextGenerator); |
| 764 | |
| 765 | void Write(const char* data, int size) { |
| 766 | if (failed_) return; |
| 767 | if (size == 0) return; |
| 768 | |
| 769 | if (at_start_of_line_) { |
| 770 | // Insert an indent. |
| 771 | at_start_of_line_ = false; |
| 772 | Write(indent_.data(), indent_.size()); |
| 773 | if (failed_) return; |
| 774 | } |
| 775 | |
| 776 | while (size > buffer_size_) { |
| 777 | // Data exceeds space in the buffer. Copy what we can and request a |
| 778 | // new buffer. |
| 779 | memcpy(buffer_, data, buffer_size_); |
| 780 | data += buffer_size_; |
| 781 | size -= buffer_size_; |
| 782 | void* void_buffer; |
| 783 | failed_ = !output_->Next(&void_buffer, &buffer_size_); |
| 784 | if (failed_) return; |
| 785 | buffer_ = reinterpret_cast<char*>(void_buffer); |
| 786 | } |
| 787 | |
| 788 | // Buffer is big enough to receive the data; copy it. |
| 789 | memcpy(buffer_, data, size); |
| 790 | buffer_ += size; |
| 791 | buffer_size_ -= size; |
| 792 | } |
| 793 | |
| 794 | io::ZeroCopyOutputStream* const output_; |
| 795 | char* buffer_; |
| 796 | int buffer_size_; |
| 797 | bool at_start_of_line_; |
| 798 | bool failed_; |
| 799 | |
| 800 | string indent_; |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 801 | int initial_indent_level_; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 802 | }; |
| 803 | |
| 804 | // =========================================================================== |
| 805 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 806 | TextFormat::Finder::~Finder() { |
| 807 | } |
| 808 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 809 | TextFormat::Parser::Parser() |
| 810 | : error_collector_(NULL), |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 811 | finder_(NULL), |
| 812 | allow_partial_(false) { |
| 813 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 814 | |
| 815 | TextFormat::Parser::~Parser() {} |
| 816 | |
| 817 | bool TextFormat::Parser::Parse(io::ZeroCopyInputStream* input, |
| 818 | Message* output) { |
| 819 | output->Clear(); |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 820 | ParserImpl parser(output->GetDescriptor(), input, error_collector_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 821 | finder_, ParserImpl::FORBID_SINGULAR_OVERWRITES); |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 822 | return MergeUsingImpl(input, output, &parser); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 823 | } |
| 824 | |
| 825 | bool TextFormat::Parser::ParseFromString(const string& input, |
| 826 | Message* output) { |
| 827 | io::ArrayInputStream input_stream(input.data(), input.size()); |
| 828 | return Parse(&input_stream, output); |
| 829 | } |
| 830 | |
| 831 | bool TextFormat::Parser::Merge(io::ZeroCopyInputStream* input, |
| 832 | Message* output) { |
kenton@google.com | 26bd9ee | 2008-11-21 00:06:27 +0000 | [diff] [blame] | 833 | ParserImpl parser(output->GetDescriptor(), input, error_collector_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 834 | finder_, ParserImpl::ALLOW_SINGULAR_OVERWRITES); |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 835 | return MergeUsingImpl(input, output, &parser); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 836 | } |
| 837 | |
| 838 | bool TextFormat::Parser::MergeFromString(const string& input, |
| 839 | Message* output) { |
| 840 | io::ArrayInputStream input_stream(input.data(), input.size()); |
| 841 | return Merge(&input_stream, output); |
| 842 | } |
| 843 | |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 844 | bool TextFormat::Parser::MergeUsingImpl(io::ZeroCopyInputStream* input, |
| 845 | Message* output, |
| 846 | ParserImpl* parser_impl) { |
| 847 | if (!parser_impl->Parse(output)) return false; |
| 848 | if (!allow_partial_ && !output->IsInitialized()) { |
| 849 | vector<string> missing_fields; |
| 850 | output->FindInitializationErrors(&missing_fields); |
| 851 | parser_impl->ReportError(-1, 0, "Message missing required fields: " + |
| 852 | JoinStrings(missing_fields, ", ")); |
| 853 | return false; |
| 854 | } |
| 855 | return true; |
| 856 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 857 | |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 858 | bool TextFormat::Parser::ParseFieldValueFromString( |
| 859 | const string& input, |
| 860 | const FieldDescriptor* field, |
| 861 | Message* output) { |
| 862 | io::ArrayInputStream input_stream(input.data(), input.size()); |
| 863 | ParserImpl parser(output->GetDescriptor(), &input_stream, error_collector_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 864 | finder_, ParserImpl::ALLOW_SINGULAR_OVERWRITES); |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 865 | return parser.ParseField(field, output); |
| 866 | } |
| 867 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 868 | /* static */ bool TextFormat::Parse(io::ZeroCopyInputStream* input, |
| 869 | Message* output) { |
| 870 | return Parser().Parse(input, output); |
| 871 | } |
| 872 | |
| 873 | /* static */ bool TextFormat::Merge(io::ZeroCopyInputStream* input, |
| 874 | Message* output) { |
| 875 | return Parser().Merge(input, output); |
| 876 | } |
| 877 | |
| 878 | /* static */ bool TextFormat::ParseFromString(const string& input, |
| 879 | Message* output) { |
| 880 | return Parser().ParseFromString(input, output); |
| 881 | } |
| 882 | |
| 883 | /* static */ bool TextFormat::MergeFromString(const string& input, |
| 884 | Message* output) { |
| 885 | return Parser().MergeFromString(input, output); |
| 886 | } |
| 887 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 888 | // =========================================================================== |
| 889 | |
| 890 | TextFormat::Printer::Printer() |
| 891 | : initial_indent_level_(0), |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 892 | single_line_mode_(false), |
| 893 | use_short_repeated_primitives_(false), |
| 894 | utf8_string_escaping_(false) {} |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 895 | |
| 896 | TextFormat::Printer::~Printer() {} |
| 897 | |
| 898 | bool TextFormat::Printer::PrintToString(const Message& message, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 899 | string* output) const { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 900 | GOOGLE_DCHECK(output) << "output specified is NULL"; |
| 901 | |
| 902 | output->clear(); |
| 903 | io::StringOutputStream output_stream(output); |
| 904 | |
| 905 | bool result = Print(message, &output_stream); |
| 906 | |
| 907 | return result; |
| 908 | } |
| 909 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 910 | bool TextFormat::Printer::PrintUnknownFieldsToString( |
temporal | a0f27fc | 2008-08-06 01:12:21 +0000 | [diff] [blame] | 911 | const UnknownFieldSet& unknown_fields, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 912 | string* output) const { |
temporal | a0f27fc | 2008-08-06 01:12:21 +0000 | [diff] [blame] | 913 | GOOGLE_DCHECK(output) << "output specified is NULL"; |
| 914 | |
| 915 | output->clear(); |
| 916 | io::StringOutputStream output_stream(output); |
| 917 | return PrintUnknownFields(unknown_fields, &output_stream); |
| 918 | } |
| 919 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 920 | bool TextFormat::Printer::Print(const Message& message, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 921 | io::ZeroCopyOutputStream* output) const { |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 922 | TextGenerator generator(output, initial_indent_level_); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 923 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 924 | Print(message, generator); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 925 | |
| 926 | // Output false if the generator failed internally. |
| 927 | return !generator.failed(); |
| 928 | } |
| 929 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 930 | bool TextFormat::Printer::PrintUnknownFields( |
temporal | a0f27fc | 2008-08-06 01:12:21 +0000 | [diff] [blame] | 931 | const UnknownFieldSet& unknown_fields, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 932 | io::ZeroCopyOutputStream* output) const { |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 933 | TextGenerator generator(output, initial_indent_level_); |
temporal | a0f27fc | 2008-08-06 01:12:21 +0000 | [diff] [blame] | 934 | |
| 935 | PrintUnknownFields(unknown_fields, generator); |
| 936 | |
| 937 | // Output false if the generator failed internally. |
| 938 | return !generator.failed(); |
| 939 | } |
| 940 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 941 | void TextFormat::Printer::Print(const Message& message, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 942 | TextGenerator& generator) const { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 943 | const Reflection* reflection = message.GetReflection(); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 944 | vector<const FieldDescriptor*> fields; |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 945 | reflection->ListFields(message, &fields); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 946 | for (int i = 0; i < fields.size(); i++) { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 947 | PrintField(message, reflection, fields[i], generator); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 948 | } |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 949 | PrintUnknownFields(reflection->GetUnknownFields(message), generator); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 950 | } |
| 951 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 952 | void TextFormat::Printer::PrintFieldValueToString( |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 953 | const Message& message, |
| 954 | const FieldDescriptor* field, |
| 955 | int index, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 956 | string* output) const { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 957 | |
| 958 | GOOGLE_DCHECK(output) << "output specified is NULL"; |
| 959 | |
| 960 | output->clear(); |
| 961 | io::StringOutputStream output_stream(output); |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 962 | TextGenerator generator(&output_stream, initial_indent_level_); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 963 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 964 | PrintFieldValue(message, message.GetReflection(), field, index, generator); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 965 | } |
| 966 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 967 | void TextFormat::Printer::PrintField(const Message& message, |
| 968 | const Reflection* reflection, |
| 969 | const FieldDescriptor* field, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 970 | TextGenerator& generator) const { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 971 | if (use_short_repeated_primitives_ && |
| 972 | field->is_repeated() && |
| 973 | field->cpp_type() != FieldDescriptor::CPPTYPE_STRING && |
| 974 | field->cpp_type() != FieldDescriptor::CPPTYPE_MESSAGE) { |
| 975 | PrintShortRepeatedField(message, reflection, field, generator); |
| 976 | return; |
| 977 | } |
| 978 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 979 | int count = 0; |
| 980 | |
| 981 | if (field->is_repeated()) { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 982 | count = reflection->FieldSize(message, field); |
| 983 | } else if (reflection->HasField(message, field)) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 984 | count = 1; |
| 985 | } |
| 986 | |
| 987 | for (int j = 0; j < count; ++j) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 988 | PrintFieldName(message, reflection, field, generator); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 989 | |
| 990 | if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 991 | if (single_line_mode_) { |
| 992 | generator.Print(" { "); |
| 993 | } else { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 994 | generator.Print(" {\n"); |
| 995 | generator.Indent(); |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 996 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 997 | } else { |
| 998 | generator.Print(": "); |
| 999 | } |
| 1000 | |
| 1001 | // Write the field value. |
| 1002 | int field_index = j; |
| 1003 | if (!field->is_repeated()) { |
| 1004 | field_index = -1; |
| 1005 | } |
| 1006 | |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1007 | PrintFieldValue(message, reflection, field, field_index, generator); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1008 | |
| 1009 | if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1010 | if (single_line_mode_) { |
| 1011 | generator.Print("} "); |
| 1012 | } else { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1013 | generator.Outdent(); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1014 | generator.Print("}\n"); |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1015 | } |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1016 | } else { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1017 | if (single_line_mode_) { |
| 1018 | generator.Print(" "); |
| 1019 | } else { |
| 1020 | generator.Print("\n"); |
| 1021 | } |
| 1022 | } |
| 1023 | } |
| 1024 | } |
| 1025 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1026 | void TextFormat::Printer::PrintShortRepeatedField( |
| 1027 | const Message& message, |
| 1028 | const Reflection* reflection, |
| 1029 | const FieldDescriptor* field, |
| 1030 | TextGenerator& generator) const { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1031 | // Print primitive repeated field in short form. |
| 1032 | PrintFieldName(message, reflection, field, generator); |
| 1033 | |
| 1034 | int size = reflection->FieldSize(message, field); |
| 1035 | generator.Print(": ["); |
| 1036 | for (int i = 0; i < size; i++) { |
| 1037 | if (i > 0) generator.Print(", "); |
| 1038 | PrintFieldValue(message, reflection, field, i, generator); |
| 1039 | } |
| 1040 | if (single_line_mode_) { |
| 1041 | generator.Print("] "); |
| 1042 | } else { |
| 1043 | generator.Print("]\n"); |
| 1044 | } |
| 1045 | } |
| 1046 | |
| 1047 | void TextFormat::Printer::PrintFieldName(const Message& message, |
| 1048 | const Reflection* reflection, |
| 1049 | const FieldDescriptor* field, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1050 | TextGenerator& generator) const { |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1051 | if (field->is_extension()) { |
| 1052 | generator.Print("["); |
| 1053 | // We special-case MessageSet elements for compatibility with proto1. |
| 1054 | if (field->containing_type()->options().message_set_wire_format() |
| 1055 | && field->type() == FieldDescriptor::TYPE_MESSAGE |
| 1056 | && field->is_optional() |
| 1057 | && field->extension_scope() == field->message_type()) { |
| 1058 | generator.Print(field->message_type()->full_name()); |
| 1059 | } else { |
| 1060 | generator.Print(field->full_name()); |
| 1061 | } |
| 1062 | generator.Print("]"); |
| 1063 | } else { |
| 1064 | if (field->type() == FieldDescriptor::TYPE_GROUP) { |
| 1065 | // Groups must be serialized with their original capitalization. |
| 1066 | generator.Print(field->message_type()->name()); |
| 1067 | } else { |
| 1068 | generator.Print(field->name()); |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1069 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1070 | } |
| 1071 | } |
| 1072 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1073 | void TextFormat::Printer::PrintFieldValue( |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1074 | const Message& message, |
| 1075 | const Reflection* reflection, |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1076 | const FieldDescriptor* field, |
| 1077 | int index, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1078 | TextGenerator& generator) const { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1079 | GOOGLE_DCHECK(field->is_repeated() || (index == -1)) |
| 1080 | << "Index must be -1 for non-repeated fields"; |
| 1081 | |
| 1082 | switch (field->cpp_type()) { |
| 1083 | #define OUTPUT_FIELD(CPPTYPE, METHOD, TO_STRING) \ |
| 1084 | case FieldDescriptor::CPPTYPE_##CPPTYPE: \ |
| 1085 | generator.Print(TO_STRING(field->is_repeated() ? \ |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1086 | reflection->GetRepeated##METHOD(message, field, index) : \ |
| 1087 | reflection->Get##METHOD(message, field))); \ |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1088 | break; \ |
| 1089 | |
| 1090 | OUTPUT_FIELD( INT32, Int32, SimpleItoa); |
| 1091 | OUTPUT_FIELD( INT64, Int64, SimpleItoa); |
| 1092 | OUTPUT_FIELD(UINT32, UInt32, SimpleItoa); |
| 1093 | OUTPUT_FIELD(UINT64, UInt64, SimpleItoa); |
| 1094 | OUTPUT_FIELD( FLOAT, Float, SimpleFtoa); |
| 1095 | OUTPUT_FIELD(DOUBLE, Double, SimpleDtoa); |
| 1096 | #undef OUTPUT_FIELD |
| 1097 | |
| 1098 | case FieldDescriptor::CPPTYPE_STRING: { |
| 1099 | string scratch; |
| 1100 | const string& value = field->is_repeated() ? |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1101 | reflection->GetRepeatedStringReference( |
| 1102 | message, field, index, &scratch) : |
| 1103 | reflection->GetStringReference(message, field, &scratch); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1104 | |
| 1105 | generator.Print("\""); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 1106 | if (utf8_string_escaping_) { |
| 1107 | generator.Print(strings::Utf8SafeCEscape(value)); |
| 1108 | } else { |
| 1109 | generator.Print(CEscape(value)); |
| 1110 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1111 | generator.Print("\""); |
| 1112 | |
| 1113 | break; |
| 1114 | } |
| 1115 | |
| 1116 | case FieldDescriptor::CPPTYPE_BOOL: |
| 1117 | if (field->is_repeated()) { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1118 | generator.Print(reflection->GetRepeatedBool(message, field, index) |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1119 | ? "true" : "false"); |
| 1120 | } else { |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1121 | generator.Print(reflection->GetBool(message, field) |
| 1122 | ? "true" : "false"); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1123 | } |
| 1124 | break; |
| 1125 | |
| 1126 | case FieldDescriptor::CPPTYPE_ENUM: |
| 1127 | generator.Print(field->is_repeated() ? |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1128 | reflection->GetRepeatedEnum(message, field, index)->name() : |
| 1129 | reflection->GetEnum(message, field)->name()); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1130 | break; |
| 1131 | |
| 1132 | case FieldDescriptor::CPPTYPE_MESSAGE: |
temporal | 779f61c | 2008-08-13 03:15:00 +0000 | [diff] [blame] | 1133 | Print(field->is_repeated() ? |
| 1134 | reflection->GetRepeatedMessage(message, field, index) : |
| 1135 | reflection->GetMessage(message, field), |
| 1136 | generator); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1137 | break; |
| 1138 | } |
| 1139 | } |
| 1140 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1141 | /* static */ bool TextFormat::Print(const Message& message, |
| 1142 | io::ZeroCopyOutputStream* output) { |
| 1143 | return Printer().Print(message, output); |
| 1144 | } |
| 1145 | |
| 1146 | /* static */ bool TextFormat::PrintUnknownFields( |
| 1147 | const UnknownFieldSet& unknown_fields, |
| 1148 | io::ZeroCopyOutputStream* output) { |
| 1149 | return Printer().PrintUnknownFields(unknown_fields, output); |
| 1150 | } |
| 1151 | |
| 1152 | /* static */ bool TextFormat::PrintToString( |
| 1153 | const Message& message, string* output) { |
| 1154 | return Printer().PrintToString(message, output); |
| 1155 | } |
| 1156 | |
| 1157 | /* static */ bool TextFormat::PrintUnknownFieldsToString( |
| 1158 | const UnknownFieldSet& unknown_fields, string* output) { |
| 1159 | return Printer().PrintUnknownFieldsToString(unknown_fields, output); |
| 1160 | } |
| 1161 | |
| 1162 | /* static */ void TextFormat::PrintFieldValueToString( |
| 1163 | const Message& message, |
| 1164 | const FieldDescriptor* field, |
| 1165 | int index, |
| 1166 | string* output) { |
| 1167 | return Printer().PrintFieldValueToString(message, field, index, output); |
| 1168 | } |
| 1169 | |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 1170 | /* static */ bool TextFormat::ParseFieldValueFromString( |
| 1171 | const string& input, |
| 1172 | const FieldDescriptor* field, |
| 1173 | Message* message) { |
| 1174 | return Parser().ParseFieldValueFromString(input, field, message); |
| 1175 | } |
| 1176 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1177 | // Prints an integer as hex with a fixed number of digits dependent on the |
| 1178 | // integer type. |
| 1179 | template<typename IntType> |
| 1180 | static string PaddedHex(IntType value) { |
| 1181 | string result; |
| 1182 | result.reserve(sizeof(value) * 2); |
| 1183 | for (int i = sizeof(value) * 2 - 1; i >= 0; i--) { |
| 1184 | result.push_back(int_to_hex_digit(value >> (i*4) & 0x0F)); |
| 1185 | } |
| 1186 | return result; |
| 1187 | } |
| 1188 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1189 | void TextFormat::Printer::PrintUnknownFields( |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 1190 | const UnknownFieldSet& unknown_fields, TextGenerator& generator) const { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1191 | for (int i = 0; i < unknown_fields.field_count(); i++) { |
| 1192 | const UnknownField& field = unknown_fields.field(i); |
| 1193 | string field_number = SimpleItoa(field.number()); |
| 1194 | |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1195 | switch (field.type()) { |
| 1196 | case UnknownField::TYPE_VARINT: |
| 1197 | generator.Print(field_number); |
| 1198 | generator.Print(": "); |
| 1199 | generator.Print(SimpleItoa(field.varint())); |
| 1200 | if (single_line_mode_) { |
| 1201 | generator.Print(" "); |
| 1202 | } else { |
| 1203 | generator.Print("\n"); |
| 1204 | } |
| 1205 | break; |
| 1206 | case UnknownField::TYPE_FIXED32: { |
| 1207 | generator.Print(field_number); |
| 1208 | generator.Print(": 0x"); |
| 1209 | char buffer[kFastToBufferSize]; |
| 1210 | generator.Print(FastHex32ToBuffer(field.fixed32(), buffer)); |
| 1211 | if (single_line_mode_) { |
| 1212 | generator.Print(" "); |
| 1213 | } else { |
| 1214 | generator.Print("\n"); |
| 1215 | } |
| 1216 | break; |
temporal | a0f27fc | 2008-08-06 01:12:21 +0000 | [diff] [blame] | 1217 | } |
kenton@google.com | d37d46d | 2009-04-25 02:53:47 +0000 | [diff] [blame] | 1218 | case UnknownField::TYPE_FIXED64: { |
| 1219 | generator.Print(field_number); |
| 1220 | generator.Print(": 0x"); |
| 1221 | char buffer[kFastToBufferSize]; |
| 1222 | generator.Print(FastHex64ToBuffer(field.fixed64(), buffer)); |
| 1223 | if (single_line_mode_) { |
| 1224 | generator.Print(" "); |
| 1225 | } else { |
| 1226 | generator.Print("\n"); |
| 1227 | } |
| 1228 | break; |
| 1229 | } |
| 1230 | case UnknownField::TYPE_LENGTH_DELIMITED: { |
| 1231 | generator.Print(field_number); |
| 1232 | const string& value = field.length_delimited(); |
| 1233 | UnknownFieldSet embedded_unknown_fields; |
| 1234 | if (!value.empty() && embedded_unknown_fields.ParseFromString(value)) { |
| 1235 | // This field is parseable as a Message. |
| 1236 | // So it is probably an embedded message. |
| 1237 | if (single_line_mode_) { |
| 1238 | generator.Print(" { "); |
| 1239 | } else { |
| 1240 | generator.Print(" {\n"); |
| 1241 | generator.Indent(); |
| 1242 | } |
| 1243 | PrintUnknownFields(embedded_unknown_fields, generator); |
| 1244 | if (single_line_mode_) { |
| 1245 | generator.Print("} "); |
| 1246 | } else { |
| 1247 | generator.Outdent(); |
| 1248 | generator.Print("}\n"); |
| 1249 | } |
| 1250 | } else { |
| 1251 | // This field is not parseable as a Message. |
| 1252 | // So it is probably just a plain string. |
| 1253 | generator.Print(": \""); |
| 1254 | generator.Print(CEscape(value)); |
| 1255 | generator.Print("\""); |
| 1256 | if (single_line_mode_) { |
| 1257 | generator.Print(" "); |
| 1258 | } else { |
| 1259 | generator.Print("\n"); |
| 1260 | } |
| 1261 | } |
| 1262 | break; |
| 1263 | } |
| 1264 | case UnknownField::TYPE_GROUP: |
| 1265 | generator.Print(field_number); |
| 1266 | if (single_line_mode_) { |
| 1267 | generator.Print(" { "); |
| 1268 | } else { |
| 1269 | generator.Print(" {\n"); |
| 1270 | generator.Indent(); |
| 1271 | } |
| 1272 | PrintUnknownFields(field.group(), generator); |
| 1273 | if (single_line_mode_) { |
| 1274 | generator.Print("} "); |
| 1275 | } else { |
| 1276 | generator.Outdent(); |
| 1277 | generator.Print("}\n"); |
| 1278 | } |
| 1279 | break; |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1280 | } |
| 1281 | } |
| 1282 | } |
| 1283 | |
| 1284 | } // namespace protobuf |
| 1285 | } // namespace google |