diff options
Diffstat (limited to 'src/google/protobuf/text_format.h')
-rw-r--r-- | src/google/protobuf/text_format.h | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/src/google/protobuf/text_format.h b/src/google/protobuf/text_format.h index e78e1042..03c04910 100644 --- a/src/google/protobuf/text_format.h +++ b/src/google/protobuf/text_format.h @@ -90,20 +90,20 @@ class LIBPROTOBUF_EXPORT TextFormat { ~Printer(); // Like TextFormat::Print - bool Print(const Message& message, io::ZeroCopyOutputStream* output); + bool Print(const Message& message, io::ZeroCopyOutputStream* output) const; // Like TextFormat::PrintUnknownFields bool PrintUnknownFields(const UnknownFieldSet& unknown_fields, - io::ZeroCopyOutputStream* output); + io::ZeroCopyOutputStream* output) const; // Like TextFormat::PrintToString - bool PrintToString(const Message& message, string* output); + bool PrintToString(const Message& message, string* output) const; // Like TextFormat::PrintUnknownFieldsToString bool PrintUnknownFieldsToString(const UnknownFieldSet& unknown_fields, - string* output); + string* output) const; // Like TextFormat::PrintFieldValueToString void PrintFieldValueToString(const Message& message, const FieldDescriptor* field, int index, - string* output); + string* output) const; // Adjust the initial indent level of all output. Each indent level is // equal to two spaces. @@ -121,8 +121,7 @@ class LIBPROTOBUF_EXPORT TextFormat { // field_name: [1, 2, 3, 4] // instead of printing each value on its own line. Short format applies // only to primitive values -- i.e. everything except strings and - // sub-messages/groups. Note that at present this format is not recognized - // by the parser. + // sub-messages/groups. void SetUseShortRepeatedPrimitives(bool use_short_repeated_primitives) { use_short_repeated_primitives_ = use_short_repeated_primitives; } @@ -143,26 +142,26 @@ class LIBPROTOBUF_EXPORT TextFormat { // Internal Print method, used for writing to the OutputStream via // the TextGenerator class. void Print(const Message& message, - TextGenerator& generator); + TextGenerator& generator) const; // Print a single field. void PrintField(const Message& message, const Reflection* reflection, const FieldDescriptor* field, - TextGenerator& generator); + TextGenerator& generator) const; // Print a repeated primitive field in short form. void PrintShortRepeatedField(const Message& message, const Reflection* reflection, const FieldDescriptor* field, - TextGenerator& generator); + TextGenerator& generator) const; // Print the name of a field -- i.e. everything that comes before the // ':' for a single name/value pair. void PrintFieldName(const Message& message, const Reflection* reflection, const FieldDescriptor* field, - TextGenerator& generator); + TextGenerator& generator) const; // Outputs a textual representation of the value of the field supplied on // the message supplied or the default value if not set. @@ -170,13 +169,13 @@ class LIBPROTOBUF_EXPORT TextFormat { const Reflection* reflection, const FieldDescriptor* field, int index, - TextGenerator& generator); + TextGenerator& generator) const; // Print the fields in an UnknownFieldSet. They are printed by tag number // only. Embedded messages are heuristically identified by attempting to // parse them. void PrintUnknownFields(const UnknownFieldSet& unknown_fields, - TextGenerator& generator); + TextGenerator& generator) const; int initial_indent_level_; @@ -207,6 +206,20 @@ class LIBPROTOBUF_EXPORT TextFormat { const FieldDescriptor* field, Message* message); + // Interface that TextFormat::Parser can use to find extensions. + // This class may be extended in the future to find more information + // like fields, etc. + class LIBPROTOBUF_EXPORT Finder { + public: + virtual ~Finder(); + + // Try to find an extension of *message by fully-qualified field + // name. Returns NULL if no extension is known for this name or number. + virtual const FieldDescriptor* FindExtension( + Message* message, + const string& name) const = 0; + }; + // For more control over parsing, use this class. class LIBPROTOBUF_EXPORT Parser { public: @@ -228,6 +241,13 @@ class LIBPROTOBUF_EXPORT TextFormat { error_collector_ = error_collector; } + // Set how parser finds extensions. If NULL (the default), the + // parser will use the standard Reflection object associated with + // the message being parsed. + void SetFinder(Finder* finder) { + finder_ = finder; + } + // Normally parsing fails if, after parsing, output->IsInitialized() // returns false. Call AllowPartialMessage(true) to skip this check. void AllowPartialMessage(bool allow) { @@ -251,6 +271,7 @@ class LIBPROTOBUF_EXPORT TextFormat { ParserImpl* parser_impl); io::ErrorCollector* error_collector_; + Finder* finder_; bool allow_partial_; }; |