Class: Mandoc::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/mandoc.rb,
ext/mandoc/rb_mandoc.c

Instance Method Summary collapse

Instance Method Details

#parse_file ⇒ Object

:call-seq:

parse_file (filename) -> Meta


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# File 'ext/mandoc/rb_mandoc.c', line 70

static VALUE
rb_parser_m_parse_file (VALUE self, VALUE fname)
{
  char *name = rb_string_value_cstr (&fname);

  struct mparse *parser = RTYPEDDATA_DATA (self);

  /* Previous memories are kept.  It will be freed when parsed
     will, not now. */
  mparse_reset (parser);

  int descriptor = mparse_open (parser, name);
  if (descriptor == -1)
    rb_raise (rb_eError, "failed to open");
  mparse_readfd (parser, descriptor, name);
  if (close (descriptor) == -1)
    rb_raise (rb_eError, "failed to close");
  struct roff_meta *meta = mparse_result (parser);
  /* TODO: fetch validity of the input with mparse_updaterc */

  VALUE klass;
  switch (meta->macroset)
    {
    case MACROSET_NONE:
      rb_raise (rb_eError, "unknown macroset");
    case MACROSET_MDOC:
      klass = rb_cMdocMeta;
      break;
    case MACROSET_MAN:
      klass = rb_cManMeta;
      break;
    }

  VALUE val = rb_data_typed_object_wrap (klass, meta, &rb_meta_type);

  /* To prevent garbage collect parser and for man-to-man output. */
  rb_iv_set (val, "@parser", self);

  return val;
}