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AK: Make string-to-number conversion helpers return Optional

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Get rid of the weird old signature:

- int StringType::to_int(bool& ok) const

And replace it with sensible new signature:

- Optional<int> StringType::to_int() const
This commit is contained in:
Andreas Kling 2020-06-12 21:07:52 +02:00
parent 15f4043a7a
commit fdfda6dec2
55 changed files with 354 additions and 455 deletions
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14
Libraries/LibWeb/DOM/HTMLCanvasElement.cpp
View file

@ -47,22 +47,12 @@ HTMLCanvasElement::~HTMLCanvasElement()
int HTMLCanvasElement::requested_width() const
{
bool ok = false;
unsigned width = attribute(HTML::AttributeNames::width).to_int(ok);
if (ok)
return width;
return 300;
return attribute(HTML::AttributeNames::width).to_int().value_or(300);
}
int HTMLCanvasElement::requested_height() const
{
bool ok = false;
unsigned height = attribute(HTML::AttributeNames::height).to_int(ok);
if (ok)
return height;
return 150;
return attribute(HTML::AttributeNames::height).to_int().value_or(150);
}
RefPtr<LayoutNode> HTMLCanvasElement::create_layout_node(const StyleProperties* parent_style) const

20
Libraries/LibWeb/DOM/HTMLImageElement.cpp
View file

@ -122,28 +122,12 @@ void HTMLImageElement::animate()
int HTMLImageElement::preferred_width() const
{
bool ok = false;
int width = attribute(HTML::AttributeNames::width).to_int(ok);
if (ok)
return width;
if (m_image_decoder)
return m_image_decoder->width();
return 0;
return attribute(HTML::AttributeNames::width).to_int().value_or(m_image_decoder ? m_image_decoder->width() : 0);
}
int HTMLImageElement::preferred_height() const
{
bool ok = false;
int height = attribute(HTML::AttributeNames::height).to_int(ok);
if (ok)
return height;
if (m_image_decoder)
return m_image_decoder->height();
return 0;
return attribute(HTML::AttributeNames::height).to_int().value_or(m_image_decoder ? m_image_decoder->height() : 0);
}
RefPtr<LayoutNode> HTMLImageElement::create_layout_node(const StyleProperties* parent_style) const

7
Libraries/LibWeb/DOM/HTMLInputElement.cpp
View file

@ -85,10 +85,9 @@ RefPtr<LayoutNode> HTMLInputElement::create_layout_node(const StyleProperties*)
int text_width = Gfx::Font::default_font().width(value());
auto size_value = attribute(HTML::AttributeNames::size);
if (!size_value.is_null()) {
bool ok;
auto size = size_value.to_int(ok);
if (ok && size >= 0)
text_width = Gfx::Font::default_font().glyph_width('x') * size;
auto size = size_value.to_uint();
if (size.has_value())
text_width = Gfx::Font::default_font().glyph_width('x') * size.value();
}
text_box.set_relative_rect(0, 0, text_width + 20, 20);
widget = text_box;