value_writer_generator Class Reference

#include <value_writer_generator.h>

Inheritance diagram for value_writer_generator:

Collaboration diagram for value_writer_generator:

Public Member Functions
bool	gen_enum (AST_Enum *, UTL_ScopedName *name, const std::vector< AST_EnumVal *> &contents, const char *repoid)
bool	gen_typedef (AST_Typedef *, UTL_ScopedName *, AST_Type *, const char *)
bool	gen_struct (AST_Structure *node, UTL_ScopedName *name, const std::vector< AST_Field *> &fields, AST_Type::SIZE_TYPE size, const char *repoid)
bool	gen_union (AST_Union *, UTL_ScopedName *, const std::vector< AST_UnionBranch *> &, AST_Type *, const char *)
Public Member Functions inherited from dds_generator
virtual	~dds_generator ()=0
virtual bool	do_included_files () const
virtual void	gen_prologue ()
virtual void	gen_epilogue ()
virtual bool	gen_const (UTL_ScopedName *, bool, AST_Constant *)
virtual bool	gen_struct_fwd (UTL_ScopedName *, AST_Type::SIZE_TYPE)
virtual bool	gen_interf (AST_Interface *, UTL_ScopedName *, bool, const std::vector< AST_Interface *> &, const std::vector< AST_Interface *> &, const std::vector< AST_Attribute *> &, const std::vector< AST_Operation *> &, const char *)
virtual bool	gen_interf_fwd (UTL_ScopedName *)
virtual bool	gen_native (AST_Native *, UTL_ScopedName *, const char *)
virtual bool	gen_union_fwd (AST_UnionFwd *, UTL_ScopedName *, AST_Type::SIZE_TYPE)

Additional Inherited Members
Static Public Member Functions inherited from dds_generator
static std::string	get_tag_name (const std::string &base_name, bool nested_key_only=false)
static std::string	get_xtag_name (UTL_ScopedName *name)
static bool	cxx_escaped (const std::string &s)
static std::string	valid_var_name (const std::string &str)
static std::string	to_string (Identifier *id, EscapeContext ec=EscapeContext_Normal)
static std::string	scoped_helper (UTL_ScopedName *sn, const char *sep, EscapeContext cxt=EscapeContext_Normal)
static std::string	module_scope_helper (UTL_ScopedName *sn, const char *sep, EscapeContext cxt=EscapeContext_Normal)

Detailed Description

Definition at line 14 of file value_writer_generator.h.

Member Function Documentation

gen_enum()

bool value_writer_generator::gen_enum ( AST_Enum *  , UTL_ScopedName *  name, const std::vector< AST_EnumVal *> &  contents, const char *  repoid  )

virtual

Reimplemented from dds_generator.

Definition at line 201 of file value_writer_generator.cpp.

References Function::addArg(), be_global, canonical_name(), Function::endArgs(), module_scope(), scoped(), and write().

{
  be_global->add_include("dds/DCPS/ValueWriter.h", BE_GlobalData::STREAM_H);

  const std::string type_name = scoped(name);
  const bool use_cxx11 = be_global->language_mapping() == BE_GlobalData::LANGMAP_CXX11;

  {
    NamespaceGuard guard;

    Function write("vwrite", "void");
    write.addArg("value_writer", "OpenDDS::DCPS::ValueWriter&");
    write.addArg("value", "const " + type_name + "&");
    write.endArgs();

    be_global->impl_ <<
      "  switch (value) {\n";
    for (std::vector<AST_EnumVal*>::const_iterator pos = contents.begin(), limit = contents.end();
         pos != limit; ++pos) {
      AST_EnumVal* const val = *pos;
      const std::string value_name = (use_cxx11 ? (type_name + "::") : module_scope(name))
        + val->local_name()->get_string();
      be_global->impl_ <<
        "  case " << value_name << ":\n"
        "    value_writer.write_enum(\"" << canonical_name(val) << "\", " << value_name << ");\n"
        "    break;\n";
    }
    be_global->impl_ << "  }\n";
  }

  return true;
}

gen_struct()

bool value_writer_generator::gen_struct ( AST_Structure *  node, UTL_ScopedName *  name, const std::vector< AST_Field *> &  fields, AST_Type::SIZE_TYPE  size, const char *  repoid  )

virtual

Implements dds_generator.

Definition at line 245 of file value_writer_generator.cpp.

References Function::addArg(), be_global, canonical_name(), Function::endArgs(), scoped(), and write().

{
  be_global->add_include("dds/DCPS/ValueWriter.h", BE_GlobalData::STREAM_H);

  const std::string type_name = scoped(name);
  const bool use_cxx11 = be_global->language_mapping() == BE_GlobalData::LANGMAP_CXX11;
  const std::string accessor_suffix = use_cxx11 ? "()" : "";

  {
    NamespaceGuard guard;

    Function write("vwrite", "void");
    write.addArg("value_writer", "OpenDDS::DCPS::ValueWriter&");
    write.addArg("value", "const " + type_name + "&");
    write.endArgs();

    be_global->impl_ <<
      "  value_writer.begin_struct();\n";
    for (std::vector<AST_Field*>::const_iterator pos = fields.begin(), limit = fields.end();
         pos != limit; ++pos) {
      AST_Field* const field = *pos;
      const std::string field_name = field->local_name()->get_string();
      const std::string idl_name = canonical_name(field);
      be_global->impl_ <<
        "  value_writer.begin_struct_member(XTypes::MemberDescriptorImpl(\"" << idl_name << "\", "
        << (be_global->is_key(field) ? "true" : "false") <<  "));\n";
      generate_write("value." + field_name + accessor_suffix, field->field_type(), "i");
      be_global->impl_ <<
        "  value_writer.end_struct_member();\n";
    }
    be_global->impl_ <<
      "  value_writer.end_struct();\n";
  }

  return true;
}

gen_typedef()

bool value_writer_generator::gen_typedef ( AST_Typedef *  , UTL_ScopedName *  , AST_Type *  , const char *    )

virtual

Implements dds_generator.

Definition at line 237 of file value_writer_generator.cpp.

{
  return true;
}

gen_union()

bool value_writer_generator::gen_union ( AST_Union *  u, UTL_ScopedName *  name, const std::vector< AST_UnionBranch *> &  branches, AST_Type *  discriminator, const char *    )

virtual

Implements dds_generator.

Definition at line 287 of file value_writer_generator.cpp.

References Function::addArg(), be_global, Function::endArgs(), generateSwitchForUnion(), scoped(), and write().

{
  be_global->add_include("dds/DCPS/ValueWriter.h", BE_GlobalData::STREAM_H);

  const std::string type_name = scoped(name);

  {
    NamespaceGuard guard;

    Function write("vwrite", "void");
    write.addArg("value_writer", "OpenDDS::DCPS::ValueWriter&");
    write.addArg("value", "const " + type_name + "&");
    write.endArgs();

    be_global->impl_ <<
      "  value_writer.begin_union();\n"
      "  value_writer.begin_discriminator();\n";
    generate_write("value._d()" , discriminator, "i");
    be_global->impl_ <<
      "  value_writer.end_discriminator();\n";

    generateSwitchForUnion(u, "value._d()", branch_helper, branches,
                           discriminator, "", "", type_name.c_str(),
                           false, false);
    be_global->impl_ <<
      "  value_writer.end_union();\n";
  }

  return true;
}

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The documentation for this class was generated from the following files:

• value_writer_generator.h
• value_writer_generator.cpp