diff options
Diffstat (limited to 'src/google/protobuf/compiler/objectivec/objectivec_helpers.cc')
-rw-r--r-- | src/google/protobuf/compiler/objectivec/objectivec_helpers.cc | 56 |
1 files changed, 50 insertions, 6 deletions
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc index b912ea67..fda51807 100644 --- a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc +++ b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc @@ -220,11 +220,6 @@ string NameFromFieldDescriptor(const FieldDescriptor* field) { } } -// Escape C++ trigraphs by escaping question marks to \? -string EscapeTrigraphs(const string& to_escape) { - return StringReplace(to_escape, "?", "\\?", true); -} - void PathSplit(const string& path, string* directory, string* basename) { string::size_type last_slash = path.rfind('/'); if (last_slash == string::npos) { @@ -264,6 +259,11 @@ bool IsSpecialName(const string& name, const string* special_names, } // namespace +// Escape C++ trigraphs by escaping question marks to \? +string EscapeTrigraphs(const string& to_escape) { + return StringReplace(to_escape, "?", "\\?", true); +} + string StripProto(const string& filename) { if (HasSuffixString(filename, ".protodevel")) { return StripSuffixString(filename, ".protodevel"); @@ -734,7 +734,7 @@ string DefaultValue(const FieldDescriptor* field) { uint32 length = ghtonl(default_string.length()); string bytes((const char*)&length, sizeof(length)); bytes.append(default_string); - return "(NSData*)\"" + CEscape(bytes) + "\""; + return "(NSData*)\"" + EscapeTrigraphs(CEscape(bytes)) + "\""; } else { return "@\"" + EscapeTrigraphs(CEscape(default_string)) + "\""; } @@ -751,6 +751,50 @@ string DefaultValue(const FieldDescriptor* field) { return NULL; } +bool HasNonZeroDefaultValue(const FieldDescriptor* field) { + // Repeated fields don't have defaults. + if (field->is_repeated()) { + return false; + } + + if (!field->has_default_value()) { + // No custom default set in the proto file. + return false; + } + + // Some proto file set the default to the zero value, so make sure the value + // isn't the zero case. + switch (field->cpp_type()) { + case FieldDescriptor::CPPTYPE_INT32: + return field->default_value_int32() != 0; + case FieldDescriptor::CPPTYPE_UINT32: + return field->default_value_uint32() != 0U; + case FieldDescriptor::CPPTYPE_INT64: + return field->default_value_int64() != 0LL; + case FieldDescriptor::CPPTYPE_UINT64: + return field->default_value_uint64() != 0ULL; + case FieldDescriptor::CPPTYPE_DOUBLE: + return field->default_value_double() != 0.0; + case FieldDescriptor::CPPTYPE_FLOAT: + return field->default_value_float() != 0.0f; + case FieldDescriptor::CPPTYPE_BOOL: + return field->default_value_bool(); + case FieldDescriptor::CPPTYPE_STRING: { + const string& default_string = field->default_value_string(); + return default_string.length() != 0; + } + case FieldDescriptor::CPPTYPE_ENUM: + return field->default_value_enum()->number() != 0; + case FieldDescriptor::CPPTYPE_MESSAGE: + return false; + } + + // Some compilers report reaching end of function even though all cases of + // the enum are handed in the switch. + GOOGLE_LOG(FATAL) << "Can't get here."; + return false; +} + string BuildFlagsString(const vector<string>& strings) { if (strings.size() == 0) { return "0"; |