Class: RNV::Document

Inherits:
Object
  • Object
show all
Defined in:
ext/rnv/ruby_rnv.c

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Object 



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# File 'ext/rnv/ruby_rnv.c', line 56

VALUE rb_document_init(VALUE self)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  document->rnv->verror_handler = &ruby_verror_handler;
  document->rnv->user_data = (void *)self;

  rnl_init(document->rnv, document->rnc_st, document->rn_st, document->rnd_st);
  rnv_init(document->rnv, document->drv_st, document->rn_st, document->rx_st);
  rnx_init(document->rnv);

  document->opened = document->ok = 0;

  document->nexp = 256; /* maximum number of candidates to display */
  document->text = NULL;

  rb_iv_set(self, "@errors", rb_ary_new2(0));

  rb_iv_set(self, "@libraries", rb_hash_new());

  document->last_line = -1;
  document->last_col = -1;

  rb_iv_set(self, "@last_line", INT2NUM(-1));
  rb_iv_set(self, "@last_col", INT2NUM(-1));

  //document->rx_st->rx_compact = 1;
  //document->drv_st->drv_compact = 1;

  return self;
}

Instance Attribute Details

#errors ⇒ Array<RNV::Error>

errors from current document

Returns:

#last_col ⇒ Integer

last column processed, set by SAX handler

Returns:

  • (Integer)

#last_line ⇒ Integer

last line processed, set by SAX handler

Returns:

  • (Integer)

#xpath ⇒ String

xpath to node, set by SAX handler

Returns:

  • (String)

Instance Method Details

#add_datatype_library(r_ns, r_cb_obj) ⇒ nil

add a new datatype library

Parameters:

Returns:

  • (nil)

See Also:



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# File 'ext/rnv/ruby_rnv.c', line 208

VALUE rb_document_add_dtl(VALUE self, VALUE r_ns, VALUE r_cb_obj)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  if (document->opened)
  {
    Check_Type(r_ns, T_STRING);

    char *suri = RSTRING_PTR(r_ns);

    drv_add_dtl(document->rnv, document->drv_st, document->rn_st, suri, &rb_dtl_equal, &rb_dtl_allows);

    int uri = document->drv_st->dtl[document->drv_st->n_dtl - 1].uri;

    VALUE libraries = rb_iv_get(self, "@libraries");

    rb_iv_set(r_cb_obj, "@document", self);

    rb_hash_aset(libraries, INT2FIX(uri), r_cb_obj);
  }
  return Qnil;
}

#characters(r_str) ⇒ Boolean

to be called by SAX characters handler

Parameters:

  • r_str (String) —

    characters

Returns:

  • (Boolean) 


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# File 'ext/rnv/ruby_rnv.c', line 277

VALUE rb_document_characters(VALUE self, VALUE r_str)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  if (!document->opened)
    rb_raise(SchemaNotLoaded, "schema was not loaded correctly");

  if (document->current != document->rnv->rn_notAllowed)
  {
    Check_Type(r_str, T_STRING);
    char *s = RSTRING_PTR(r_str);
    int len = RSTRING_LEN(r_str);

    int newlen_txt = document->n_txt + len + 1;
    if (newlen_txt <= LIM_T && LIM_T < document->len_txt)
      newlen_txt = LIM_T;
    else if (newlen_txt < document->len_txt)
      newlen_txt = document->len_txt;
    if (document->len_txt != newlen_txt)
    {
      document->text = (char *)m_stretch(document->text, document->len_txt = newlen_txt, document->n_txt, sizeof(char));
    }

    memcpy(document->text + document->n_txt, s, len);
    document->n_txt += len;
    document->text[document->n_txt] = '\0'; /* '\0' guarantees that the text is bounded, and strto[ld] work for data */
  }

  return RTEST(document->ok);
}

#end_tag(r_name) ⇒ Boolean

to be called by SAX end tag handler

Parameters:

  • r_name (String) —

    tag name, must be in the form ‘NS_URI:TAG_NAME’

Returns:

  • (Boolean) 


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# File 'ext/rnv/ruby_rnv.c', line 369

VALUE rb_document_end_tag(VALUE self, VALUE r_name)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  if (!document->opened)
    rb_raise(SchemaNotLoaded, "schema was not loaded correctly");

  if (document->current != document->rnv->rn_notAllowed)
  {
    char *name;

    Check_Type(r_name, T_STRING);
    name = RSTRING_PTR(r_name);

    flush_text(document);

    document->ok = rnv_end_tag(document->rnv, document->drv_st, document->rn_st,
                               &document->current, &document->previous, (char *)name) &&
                   document->ok;

    document->mixed = 1;
  }
  else
  {
    if (document->level == 0)
      document->current = document->previous;
    else
      --document->level;
  }

  return RTEST(document->ok);
}

#load_file(r_fn) ⇒ Boolean

load schema from a file

Parameters:

  • r_fn (String) —

    filename

Returns:

  • (Boolean) 


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# File 'ext/rnv/ruby_rnv.c', line 136

VALUE rb_document_load_file(VALUE self, VALUE r_fn)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  Check_Type(r_fn, T_STRING);

  document->fn = RSTRING_PTR(r_fn);

  document->opened = rnl_fn(document->rnv,
                            document->rnc_st,
                            document->rn_st,
                            document->rnd_st,
                            document->fn);

  if (document->opened)
  {
    document_load(document);
    return Qtrue;
  }
  else
    return Qfalse;
}

#load_string(r_str) ⇒ Boolean

load schema from a buffer

Parameters:

  • r_str (String) —

    buffer

Returns:

  • (Boolean) 


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# File 'ext/rnv/ruby_rnv.c', line 105

VALUE rb_document_load_string(VALUE self, VALUE r_str)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  Check_Type(r_str, T_STRING);

  VALUE r_fn = rb_str_new2("");
  document->fn = RSTRING_PTR(r_fn);

  document->opened = rnl_s(document->rnv,
                           document->rnc_st,
                           document->rn_st,
                           document->rnd_st,
                           document->fn,
                           RSTRING_PTR(r_str), RSTRING_LEN(r_str));

  if (document->opened)
  {
    document_load(document);
    return Qtrue;
  }
  else
    return Qfalse;
}

#start_document ⇒ nil

begin parsing a new document

Returns:

  • (nil) 


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# File 'ext/rnv/ruby_rnv.c', line 244

VALUE rb_document_begin(VALUE self)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  if (!document->opened)
    rb_raise(SchemaNotLoaded, "schema was not loaded correctly");

  // reset errors
  rb_iv_set(self, "@errors", rb_ary_new2(0));

  m_free(document->text);
  document->text = (char *)m_alloc(document->len_txt = LEN_T, sizeof(char));

  document->ok = document->current = document->previous = document->start;

  document->last_line = 0;
  document->last_col = 0;

  document->level = 0;

  document->text[0] = '\0';
  document->n_txt = 0;
  document->mixed = 0;

  return Qnil;
}

#start_tag(r_name, r_attrs) ⇒ Boolean

to be called by SAX start tag handler

Parameters:

  • r_name (String) —

    tag name, must be in the form ‘NS_URI:TAG_NAME’

  • r_attrs (Array<Array<String>>) —

    flattened array of tag attributes in the form [[‘NS_URI:ATTR_NAME’,‘ATTR_VALUE’]]

Returns:

  • (Boolean) 


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# File 'ext/rnv/ruby_rnv.c', line 315

VALUE rb_document_start_tag(VALUE self, VALUE r_name, VALUE r_attrs)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  if (!document->opened)
    rb_raise(SchemaNotLoaded, "schema was not loaded correctly");

  if (document->current != document->rnv->rn_notAllowed)
  {
    int i;
    char *name;
    char **attrs;

    Check_Type(r_name, T_STRING);
    name = RSTRING_PTR(r_name);

    Check_Type(r_attrs, T_ARRAY);

    // lazyly flatten with ruby
    VALUE r_flat_attrs = rb_funcall(r_attrs, rb_intern("flatten"), 0);
    unsigned int attrs_len = RARRAY_LEN(r_flat_attrs);

    attrs = malloc(sizeof(char *) * (attrs_len + 1));

    for (i = 0; i < attrs_len; i++)
    {
      attrs[i] = RSTRING_PTR(rb_ary_entry(r_flat_attrs, i));
    }
    attrs[attrs_len] = 0; // zero terminated

    document->mixed = 1;

    flush_text(document);
    document->ok = rnv_start_tag(document->rnv, document->drv_st, document->rn_st, document->rx_st,
                                 &document->current, &document->previous, (char *)name, (char **)attrs) &&
                   document->ok;

    document->mixed = 0;
    free(attrs);
  }
  else
  {
    ++document->level;
  }

  return RTEST(document->ok);
}

#valid? ⇒ Array<RNV::Error>

is current document valid ?

Returns:



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# File 'ext/rnv/ruby_rnv.c', line 164

VALUE rb_document_valid(VALUE self)
{
  document_t *document;
  Data_Get_Struct(self, document_t, document);

  if (document->ok)
    return Qtrue;
  else
    return Qfalse;
}