Class: VTerm

Inherits:

Object

• Object
• VTerm

Defined in:

lib/vterm/version.rb,
ext/vterm/vterm.c

Defined Under Namespace

Classes: Screen

Constant Summary

VERSION =

'0.0.4'

Instance Method Summary

• #initialize(rows, cols) ⇒ Object constructor
• #read(*args) ⇒ Object
• #screen ⇒ Object
• #set_utf8(is_utf8) ⇒ Object
• #size ⇒ Object
• #write(bytes) ⇒ Object

Constructor Details

#initialize(rows, cols) ⇒ Object

# File 'ext/vterm/vterm.c', line 103

static VALUE
rb_vterm_initialize(VALUE self, VALUE rows, VALUE cols)
{
    vterm_data_t *vt_data;

    vt_data = malloc(sizeof(vterm_data_t));
    DATA_PTR(self) = vt_data;

    vt_data->vt = vterm_new(NUM2INT(rows), NUM2INT(cols));

    return Qnil;
}

Instance Method Details

#read(*args) ⇒ Object

# File 'ext/vterm/vterm.c', line 174

static VALUE
rb_vterm_read(int argc, VALUE *argv, VALUE self)
{
    vterm_data_t *vt_data;
    size_t bufsize;
    size_t specified_size;

    vt_data = (vterm_data_t*)DATA_PTR(self);
    bufsize = vterm_output_get_buffer_current(vt_data->vt);
    if (argc == 1) {
        specified_size = (size_t)NUM2INT(argv[0]);
        if (specified_size < bufsize) {
            bufsize = specified_size;
        }
    } else if (argc != 0) {
        // TODO argument error
        return Qnil;
    }
    if (bufsize == 0) {
        return rb_str_new_cstr("");
    } else if (bufsize > 0) {
        char outbuf[bufsize];
        vterm_output_read(vt_data->vt, outbuf, bufsize);
        return rb_str_new(outbuf, bufsize);
    } else {
        return Qnil;
    }
}

#screen ⇒ Object

# File 'ext/vterm/vterm.c', line 127

static VALUE
rb_vterm_screen(VALUE self)
{
    vterm_data_t *vt_data;
    vterm_screen_data_t *vt_screen_data;
    ID screen_new_id;
    VALUE vt_screen;

    vt_data = (vterm_data_t*)DATA_PTR(self);
    screen_new_id = rb_intern("new");
    vt_screen = rb_funcall(cVTermScreen, screen_new_id, 0);

    vt_screen_data = malloc(sizeof(vterm_screen_data_t));
    vt_screen_data->vtscreen = vterm_obtain_screen(vt_data->vt);
    DATA_PTR(vt_screen) = vt_screen_data;

    return vt_screen;
}

#set_utf8(is_utf8) ⇒ Object

# File 'ext/vterm/vterm.c', line 146

static VALUE
rb_vterm_set_utf8(VALUE self, VALUE is_utf8)
{
    vterm_data_t *vt_data;

    vt_data = (vterm_data_t*)DATA_PTR(self);
    if (rb_equal(is_utf8, Qfalse) || rb_equal(is_utf8, Qnil)) {
        vterm_set_utf8(vt_data->vt, 0);
    } else {
        vterm_set_utf8(vt_data->vt, 1);
    }

    return Qnil;
}

#size ⇒ Object

# File 'ext/vterm/vterm.c', line 203

static VALUE
rb_vterm_get_size(VALUE self)
{
    int rows, cols;
    vterm_data_t *vt_data;
    VALUE result;

    vt_data = (vterm_data_t*)DATA_PTR(self);
    vterm_get_size(vt_data->vt, &rows, &cols);

    result = rb_ary_new();
    rb_ary_push(result, INT2NUM(rows));
    rb_ary_push(result, INT2NUM(cols));

    return result;
}

#write(bytes) ⇒ Object

# File 'ext/vterm/vterm.c', line 161

static VALUE
rb_vterm_write(VALUE self, VALUE bytes)
{
    vterm_data_t *vt_data;
    char *str;

    vt_data = (vterm_data_t*)DATA_PTR(self);
    str = StringValueCStr(bytes);
    vterm_input_write(vt_data->vt, str, strlen(str));

    return Qnil;
}