diff options
Diffstat (limited to 'src/google/protobuf/compiler/objectivec/objectivec_helpers.cc')
-rw-r--r-- | src/google/protobuf/compiler/objectivec/objectivec_helpers.cc | 164 |
1 files changed, 163 insertions, 1 deletions
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc index 8222dfdb..a1de635e 100644 --- a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc +++ b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc @@ -44,9 +44,10 @@ #include <google/protobuf/stubs/hash.h> #include <google/protobuf/compiler/objectivec/objectivec_helpers.h> +#include <google/protobuf/descriptor.pb.h> #include <google/protobuf/io/coded_stream.h> +#include <google/protobuf/io/printer.h> #include <google/protobuf/io/zero_copy_stream_impl.h> -#include <google/protobuf/descriptor.pb.h> #include <google/protobuf/stubs/common.h> #include <google/protobuf/stubs/strutil.h> @@ -1433,6 +1434,167 @@ bool ParseSimpleFile( return parser.Finish(); } +void ImportWriter::AddFile(const FileDescriptor* file) { + const string extension(".pbobjc.h"); + const string file_path(FilePath(file)); + + if (IsProtobufLibraryBundledProtoFile(file)) { + protobuf_framework_imports_.push_back( + FilePathBasename(file) + extension); + protobuf_non_framework_imports_.push_back(file_path + extension); + return; + } + + // Lazy parse any mappings. + if (need_to_parse_mapping_file_) { + ParseFrameworkMappings(); + } + + map<string, string>::iterator proto_lookup = + proto_file_to_framework_name_.find(file->name()); + if (proto_lookup != proto_file_to_framework_name_.end()) { + other_framework_imports_.push_back( + proto_lookup->second + "/" + + FilePathBasename(file) + extension); + return; + } + + if (!options_.generate_for_named_framework.empty()) { + other_framework_imports_.push_back( + options_.generate_for_named_framework + "/" + + FilePathBasename(file) + extension); + return; + } + + other_imports_.push_back(file_path + extension); +} + +void ImportWriter::Print(io::Printer* printer) const { + assert(protobuf_non_framework_imports_.size() == + protobuf_framework_imports_.size()); + + bool add_blank_line = false; + + if (protobuf_framework_imports_.size() > 0) { + const string framework_name(ProtobufLibraryFrameworkName); + const string cpp_symbol(ProtobufFrameworkImportSymbol(framework_name)); + + printer->Print( + "#if $cpp_symbol$\n", + "cpp_symbol", cpp_symbol); + for (vector<string>::const_iterator iter = protobuf_framework_imports_.begin(); + iter != protobuf_framework_imports_.end(); ++iter) { + printer->Print( + " #import <$framework_name$/$header$>\n", + "framework_name", framework_name, + "header", *iter); + } + printer->Print( + "#else\n"); + for (vector<string>::const_iterator iter = protobuf_non_framework_imports_.begin(); + iter != protobuf_non_framework_imports_.end(); ++iter) { + printer->Print( + " #import \"$header$\"\n", + "header", *iter); + } + printer->Print( + "#endif\n"); + + add_blank_line = true; + } + + if (other_framework_imports_.size() > 0) { + if (add_blank_line) { + printer->Print("\n"); + } + + for (vector<string>::const_iterator iter = other_framework_imports_.begin(); + iter != other_framework_imports_.end(); ++iter) { + printer->Print( + " #import <$header$>\n", + "header", *iter); + } + + add_blank_line = true; + } + + if (other_imports_.size() > 0) { + if (add_blank_line) { + printer->Print("\n"); + } + + for (vector<string>::const_iterator iter = other_imports_.begin(); + iter != other_imports_.end(); ++iter) { + printer->Print( + " #import \"$header$\"\n", + "header", *iter); + } + } +} + +void ImportWriter::ParseFrameworkMappings() { + need_to_parse_mapping_file_ = false; + if (options_.named_framework_to_proto_path_mappings_path.empty()) { + return; // Nothing to do. + } + + ProtoFrameworkCollector collector(&proto_file_to_framework_name_); + string parse_error; + if (!ParseSimpleFile(options_.named_framework_to_proto_path_mappings_path, + &collector, &parse_error)) { + cerr << "error parsing " << options_.named_framework_to_proto_path_mappings_path + << " : " << parse_error << endl; + cerr.flush(); + } +} + +bool ImportWriter::ProtoFrameworkCollector::ConsumeLine( + const StringPiece& line, string* out_error) { + int offset = line.find(':'); + if (offset == StringPiece::npos) { + *out_error = + string("Framework/proto file mapping line without colon sign: '") + + line.ToString() + "'."; + return false; + } + StringPiece framework_name(line, 0, offset); + StringPiece proto_file_list(line, offset + 1, line.length() - offset - 1); + StringPieceTrimWhitespace(&framework_name); + + int start = 0; + while (start < proto_file_list.length()) { + offset = proto_file_list.find(',', start); + if (offset == StringPiece::npos) { + offset = proto_file_list.length(); + } + + StringPiece proto_file(proto_file_list, start, offset - start); + StringPieceTrimWhitespace(&proto_file); + if (proto_file.size() != 0) { + map<string, string>::iterator existing_entry = + map_->find(proto_file.ToString()); + if (existing_entry != map_->end()) { + cerr << "warning: duplicate proto file reference, replacing framework entry for '" + << proto_file.ToString() << "' with '" << framework_name.ToString() + << "' (was '" << existing_entry->second << "')." << endl; + cerr.flush(); + } + + if (proto_file.find(' ') != StringPiece::npos) { + cerr << "note: framework mapping file had a proto file with a space in, hopefully that isn't a missing comma: '" + << proto_file.ToString() << "'" << endl; + cerr.flush(); + } + + (*map_)[proto_file.ToString()] = framework_name.ToString(); + } + + start = offset + 1; + } + + return true; +} + } // namespace objectivec } // namespace compiler |