Class: GenX::Writer

Inherits:
Object
  • Object
show all
Defined in:
lib/genx4r/builder.rb,
ext/genx4r/genx4r.c

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 391

static VALUE
writer_new (VALUE klass)
{
  genxWriter writer = genxNew (NULL, NULL, NULL);

  return Data_Wrap_Struct (klass, writer_mark, writer_free, writer);
}

Instance Method Details

#attribute ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 198

static VALUE
writer_attribute (int argc, VALUE *argv, VALUE self)
{
  genxAttribute attr = 0;
  genxWriter w;
  VALUE xmlns, name, value;
  int nslen = 0;

  switch (argc)
    {
    case 2:
      xmlns = 0;
      if (CLASS_OF (argv[0]) == rb_cGenXAttribute)
        {
          Data_Get_Struct (argv[0], struct genxAttribute_rec, attr);
          name = 0;
        }
      else
        name = argv[0];

      value = argv[1];
      break;

    case 3:
      xmlns = argv[0];
      name = argv[1];
      value = argv[2];
      break;

    default:
      rb_raise (rb_eRuntimeError, "invalid arguments");
    }

  if (xmlns)
    {
      Check_Type (xmlns, T_STRING);
      nslen = RSTRING_LEN (xmlns);
    }

  if (name)
    Check_Type (name, T_STRING);

  Check_Type (value, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  if (attr)
    GENX4R_ERR (genxAddAttribute (attr, (constUtf8) RSTRING_PTR (value)), w);
  else
    GENX4R_ERR (genxAddAttributeLiteral
                 (w,
                  nslen ?  (constUtf8) RSTRING_PTR (xmlns) : NULL,
                  (constUtf8) RSTRING_PTR (name),
                  (constUtf8) RSTRING_PTR (value)), w);

  return Qnil;
}

#begin_document ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 138

static VALUE
writer_begin_document (VALUE self, VALUE file)
{
  genxWriter w;

  Data_Get_Struct (self, struct genxWriter_rec, w);

  if (! rb_respond_to (file, rb_intern ("<<")))
    rb_raise (rb_eRuntimeError, "target must respond to '<<'");

  genxSetUserData(w, (void *) file);

  GENX4R_ERR (genxStartDocSender (w, &writer_sender), w);

  return Qnil;
}

#begin_element ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 256

static VALUE
writer_begin_element (int argc, VALUE *argv, VALUE self)
{
  genxWriter w;
  genxElement elem = 0;
  VALUE xmlns, name;
  int nslen = 0;

  switch (argc)
    {
    case 1:
      xmlns = 0;
      if (CLASS_OF (argv[0]) == rb_cGenXElement)
        {
          Data_Get_Struct (argv[0], struct genxElement_rec, elem);
          name = 0;
        }
      else
        name = argv[0];
      break;

    case 2:
      xmlns = argv[0];
      name = argv[1];
      break;

    default:
      rb_raise (rb_eRuntimeError, "invalid arguments");
    }

  if (xmlns)
    {
      Check_Type (xmlns, T_STRING);
      nslen = RSTRING_LEN (xmlns);
    }

  if (name)
    Check_Type (name, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  if (elem)
    GENX4R_ERR (genxStartElement (elem), w);
  else
    GENX4R_ERR (genxStartElementLiteral
                 (w,
                  nslen ? (constUtf8) RSTRING_PTR (xmlns) : NULL,
                  (constUtf8) RSTRING_PTR (name)), w);

  return Qnil;
}

#builder(io, &block) ⇒ Object 



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# File 'lib/genx4r/builder.rb', line 113

def builder(io, &block)
  b = Builder.new(self)
  begin
    b._begin_doc(io)
    block.call(b)
  ensure
    b._end_doc
  end
end

#character ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 368

static VALUE
writer_character (VALUE self, VALUE ch)
{
  genxWriter w;

  int c = NUM2INT (ch);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  GENX4R_ERR (genxAddCharacter (w, c), w);

  return Qnil;
}

#comment ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 184

static VALUE
writer_comment (VALUE self, VALUE arg)
{
  genxWriter w;

  Check_Type (arg, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  GENX4R_ERR (genxComment (w, (constUtf8) RSTRING_PTR (arg)), w);

  return Qnil;
}

#declare_attribute ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 466

static VALUE
writer_declare_attribute (int argc, VALUE *argv, VALUE self)
{
  genxNamespace ns = 0;
  genxAttribute attr;
  genxStatus st = 0;
  genxWriter w;
  VALUE name;

  switch (argc)
    {
    case 1:
      name = argv[0];
      break;

    case 2:
      if (CLASS_OF (argv[0]) == rb_cGenXNamespace) {
        Data_Get_Struct (argv[0], struct genxNamespace_rec, ns);
      } else {
        rb_raise (rb_eRuntimeError, "invalid arguments");
      }
      name = argv[1];
      break;

    default:
      rb_raise (rb_eRuntimeError, "invalid arguments");
    }

  Check_Type (name, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  attr = genxDeclareAttribute (w, ns, RSTRING_PTR (name), &st);
  if (st)
    rb_raise (rb_cGenXException, "%s", genxGetErrorMessage (w, st));

  return Data_Wrap_Struct (rb_cGenXAttribute, NULL, NULL, attr);
}

#declare_element ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 427

static VALUE
writer_declare_element (int argc, VALUE *argv, VALUE self)
{
  genxNamespace ns = 0;
  genxStatus st = 0;
  genxElement elem;
  genxWriter w;
  VALUE name;

  switch (argc)
    {
    case 1:
      name = argv[0];
      break;

    case 2:
      if (CLASS_OF (argv[0]) == rb_cGenXNamespace) {
        Data_Get_Struct (argv[0], struct genxNamespace_rec, ns);
      } else {
        rb_raise (rb_eRuntimeError, "invalid arguments");
      }
      name = argv[1];
      break;

    default:
      rb_raise (rb_eRuntimeError, "invalid arguments");
    }

  Check_Type (name, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  elem = genxDeclareElement (w, ns, RSTRING_PTR (name), &st);
  if (st)
    rb_raise (rb_cGenXException, "%s", genxGetErrorMessage (w, st));

  return Data_Wrap_Struct (rb_cGenXElement, NULL, NULL, elem);
}

#declare_namespace ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 400

static VALUE
writer_declare_namespace (int argc, VALUE *argv, VALUE self)
{
  VALUE uri, prefix = 0;
  genxStatus st = 0;
  genxNamespace ns;
  genxWriter w;

  rb_scan_args (argc, argv, "11", &uri, &prefix);

  Check_Type (uri, T_STRING);
  if (prefix)
    Check_Type (prefix, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  ns = genxDeclareNamespace (w,
                             (constUtf8) RSTRING_PTR (uri),
                             prefix ? (constUtf8) RSTRING_PTR (prefix) : NULL,
                             &st);

  if (st)
    rb_raise (rb_cGenXException, "%s", genxGetErrorMessage (w, st));

  return Data_Wrap_Struct (rb_cGenXNamespace, NULL, NULL, ns);
}

#document ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 167

static VALUE
writer_document (VALUE self, VALUE file)
{
  writer_begin_document (self, file);

  if (rb_block_given_p ())
    {
      rb_yield (Qnil);

      writer_end_document (self);

      return Qnil;
    }
  else
    rb_raise (rb_eRuntimeError, "must be called with a block");
}

#element ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 320

static VALUE
writer_element (int argc, VALUE *argv, VALUE self)
{
  writer_begin_element (argc, argv, self);

  if (rb_block_given_p ())
    {
      rb_yield (Qnil);

      writer_end_element (self);

      return Qnil;
    }
  else
    rb_raise (rb_eRuntimeError, "must be called with a block");
}

#end_document ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 155

static VALUE
writer_end_document (VALUE self)
{
  genxWriter w;

  Data_Get_Struct (self, struct genxWriter_rec, w);

  GENX4R_ERR (genxEndDocument (w), w);

  return Qnil;
}

#end_element ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 308

static VALUE
writer_end_element (VALUE self)
{
  genxWriter w;

  Data_Get_Struct (self, struct genxWriter_rec, w);

  GENX4R_ERR (genxEndElement (w), w);

  return Qnil;
}

#pi ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 337

static VALUE
writer_pi (VALUE self, VALUE target, VALUE text)
{
  genxWriter w;

  Check_Type (target, T_STRING);
  Check_Type (text, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  GENX4R_ERR (genxPI (w,
                      (constUtf8) RSTRING_PTR (target),
                      (constUtf8) RSTRING_PTR (text)), w);

  return Qnil;
}

#text ⇒ Object 



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# File 'ext/genx4r/genx4r.c', line 354

static VALUE
writer_text (VALUE self, VALUE text)
{
  genxWriter w;

  Check_Type (text, T_STRING);

  Data_Get_Struct (self, struct genxWriter_rec, w);

  GENX4R_ERR (genxAddText (w, (constUtf8) RSTRING_PTR (text)), w);

  return Qnil;
}