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node-sass
Commit c9b84d10 by Aaron Leung
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more conversions to the new arg checking code

parent 96ff864b
Showing with 37 additions and 62 deletions
functions.cpp
......@@ -202,13 +202,9 @@ namespace Sass {
extern Signature mix_sig = "mix($color-1, $color-2, $weight: 50%)";
Node mix(const Node parameter_names, Environment& bindings, Node_Factory& new_Node, string& path, size_t line) {
Node color1(bindings[parameter_names[0].token()]);
Node color2(bindings[parameter_names[1].token()]);
Node weight(bindings[parameter_names[2].token()]);
if (color1.type() != Node::numeric_color) throw_eval_error("first argument to mix must be a color", color1.path(), color1.line());
if (color2.type() != Node::numeric_color) throw_eval_error("second argument to mix must be a color", color2.path(), color2.line());
if (!weight.is_numeric()) throw_eval_error("third argument to mix must be numeric", weight.path(), weight.line());
Node color1(arg(mix_sig, path, line, parameter_names, bindings, 0, Node::numeric_color));
Node color2(arg(mix_sig, path, line, parameter_names, bindings, 1, Node::numeric_color));
Node weight(arg(mix_sig, path, line, parameter_names, bindings, 2, 0, 100));
double p = weight.numeric_value()/100;
double w = 2*p - 1;
......@@ -232,7 +228,7 @@ namespace Sass {
// RGB to HSL helper function so we can do hsl operations.
// (taken from http://www.easyrgb.com)
Node rgb_to_hsl(double r, double g, double b, Node_Factory& new_Node) {
Node rgb_to_hsl(double r, double g, double b, Node_Factory& new_Node, string& path, size_t line) {
r /= 255.0; g /= 255.0; b /= 255.0;
double max = std::max(r, std::max(g, b));
......@@ -259,7 +255,7 @@ namespace Sass {
if (h < 0) h += 1;
else if (h > 1) h -= 1;
}
return new_Node("", 0, static_cast<int>(h*360)%360, s*100, l*100);
return new_Node(path, line, static_cast<int>(h*360)%360, s*100, l*100);
}
// Hue to RGB helper function
......@@ -272,7 +268,7 @@ namespace Sass {
return m1;
}
Node hsla_impl(double h, double s, double l, double a, Node_Factory& new_Node) {
Node hsla_impl(double h, double s, double l, double a, Node_Factory& new_Node, string& path, size_t line) {
h = static_cast<double>(((static_cast<int>(h) % 360) + 360) % 360) / 360.0;
s = (s < 0) ? 0 :
(s > 100) ? 100 :
......@@ -292,45 +288,24 @@ namespace Sass {
double g = std::floor(h_to_rgb(m1, m2, h) * 255.0 + 0.5);
double b = std::floor(h_to_rgb(m1, m2, h-1.0/3.0) * 255.0 + 0.5);
return new_Node("", 0, r, g, b, a);
return new_Node(path, line, r, g, b, a);
}
extern Signature hsl_sig = "hsl($hue, $saturation, $lightness)";
Node hsl(const Node parameter_names, Environment& bindings, Node_Factory& new_Node, string& path, size_t line) {
Node hn(bindings[parameter_names[0].token()]);
Node sn(bindings[parameter_names[1].token()]);
Node ln(bindings[parameter_names[2].token()]);
if (!hn.is_numeric()) throw_eval_error("first argument to 'hsl' must be numeric", hn.path(), hn.line());
if (!sn.is_numeric()) throw_eval_error("second argument to 'hsl' must be numeric", sn.path(), sn.line());
if (!ln.is_numeric()) throw_eval_error("third argument to 'hsl' must be numeric", ln.path(), ln.line());
double h = hn.numeric_value();
double s = sn.numeric_value();
double l = ln.numeric_value();
if (s < 0 || 100 < s) throw_eval_error("saturation must be between 0% and 100% for 'hsl'", sn.path(), sn.line());
if (l < 0 || 100 < l) throw_eval_error("lightness must be between 0% and 100% for 'hsl'", ln.path(), ln.line());
Node color(hsla_impl(h, s, l, 1, new_Node));
return color;
double h = arg(hsl_sig, path, line, parameter_names, bindings, 0, Node::numeric).numeric_value();
double s = arg(hsl_sig, path, line, parameter_names, bindings, 1, 0, 100).numeric_value();
double l = arg(hsl_sig, path, line, parameter_names, bindings, 2, 0, 100).numeric_value();
return hsla_impl(h, s, l, 1.0, new_Node, path, line);
}
extern Signature hsla_sig = "hsla($hue, $saturation, $lightness, $alpha)";
Node hsla(const Node parameter_names, Environment& bindings, Node_Factory& new_Node, string& path, size_t line) {
Node hn(bindings[parameter_names[0].token()]);
Node sn(bindings[parameter_names[1].token()]);
Node ln(bindings[parameter_names[2].token()]);
Node an(bindings[parameter_names[3].token()]);
if (!hn.is_numeric()) throw_eval_error("first argument to 'hsla' must be numeric", hn.path(), hn.line());
if (!sn.is_numeric()) throw_eval_error("second argument to 'hsla' must be numeric", sn.path(), sn.line());
if (!ln.is_numeric()) throw_eval_error("third argument to 'hsla' must be numeric", ln.path(), ln.line());
if (!an.is_numeric()) throw_eval_error("fourth argument to 'hsla' must be numeric", an.path(), an.line());
double h = hn.numeric_value();
double s = sn.numeric_value();
double l = ln.numeric_value();
double a = an.numeric_value();
if (s < 0 || 100 < s) throw_eval_error("saturation must be between 0% and 100% for 'hsla'", sn.path(), sn.line());
if (l < 0 || 100 < l) throw_eval_error("lightness must be between 0% and 100% for 'hsla'", ln.path(), ln.line());
if (a < 0 || 1 < a) throw_eval_error("alpha must be between 0 and 1 for 'hsla'", an.path(), an.line());
Node color(hsla_impl(h, s, l, a, new_Node));
return color;
double h = arg(hsla_sig, path, line, parameter_names, bindings, 0, Node::numeric).numeric_value();
double s = arg(hsla_sig, path, line, parameter_names, bindings, 1, 0, 100).numeric_value();
double l = arg(hsla_sig, path, line, parameter_names, bindings, 2, 0, 100).numeric_value();
double a = arg(hsla_sig, path, line, parameter_names, bindings, 3, 0, 1).numeric_value();
return hsla_impl(h, s, l, a, new_Node, path, line);
}
extern Signature hue_sig = "hue($color)";
......@@ -340,7 +315,7 @@ namespace Sass {
Node hsl_color(rgb_to_hsl(rgb_color[0].numeric_value(),
rgb_color[1].numeric_value(),
rgb_color[2].numeric_value(),
new_Node));
new_Node, path, line));
return new_Node(path, line, hsl_color[0].numeric_value(), Token::make(deg_str));
}
......@@ -351,7 +326,7 @@ namespace Sass {
Node hsl_color(rgb_to_hsl(rgb_color[0].numeric_value(),
rgb_color[1].numeric_value(),
rgb_color[2].numeric_value(),
new_Node));
new_Node, path, line));
return new_Node(path, line, hsl_color[1].numeric_value(), Token::make(percent_str));
}
......@@ -362,7 +337,7 @@ namespace Sass {
Node hsl_color(rgb_to_hsl(rgb_color[0].numeric_value(),
rgb_color[1].numeric_value(),
rgb_color[2].numeric_value(),
new_Node));
new_Node, path, line));
return new_Node(path, line, hsl_color[2].numeric_value(), Token::make(percent_str));
}
......@@ -375,12 +350,12 @@ namespace Sass {
Node hsl_col(rgb_to_hsl(rgb_col[0].numeric_value(),
rgb_col[1].numeric_value(),
rgb_col[2].numeric_value(),
new_Node));
new_Node, path, line));
return hsla_impl(hsl_col[0].numeric_value() + degrees.numeric_value(),
hsl_col[1].numeric_value(),
hsl_col[2].numeric_value(),
rgb_col[3].numeric_value(),
new_Node);
new_Node, path, line);
}
extern Signature lighten_sig = "lighten($color, $amount)";
......@@ -394,12 +369,12 @@ namespace Sass {
Node hsl_col(rgb_to_hsl(rgb_col[0].numeric_value(),
rgb_col[1].numeric_value(),
rgb_col[2].numeric_value(),
new_Node));
new_Node, path, line));
return hsla_impl(hsl_col[0].numeric_value(),
hsl_col[1].numeric_value(),
hsl_col[2].numeric_value() + amount.numeric_value(),
rgb_col[3].numeric_value(),
new_Node);
new_Node, path, line);
}
extern Signature darken_sig = "darken($color, $amount)";
......@@ -413,12 +388,12 @@ namespace Sass {
Node hsl_col(rgb_to_hsl(rgb_col[0].numeric_value(),
rgb_col[1].numeric_value(),
rgb_col[2].numeric_value(),
new_Node));
new_Node, path, line));
return hsla_impl(hsl_col[0].numeric_value(),
hsl_col[1].numeric_value(),
hsl_col[2].numeric_value() - amount.numeric_value(),
rgb_col[3].numeric_value(),
new_Node);
new_Node, path, line);
}
extern Signature saturate_sig = "saturate($color, $amount)";
......@@ -432,12 +407,12 @@ namespace Sass {
Node hsl_col(rgb_to_hsl(rgb_col[0].numeric_value(),
rgb_col[1].numeric_value(),
rgb_col[2].numeric_value(),
new_Node));
new_Node, path, line));
return hsla_impl(hsl_col[0].numeric_value(),
hsl_col[1].numeric_value() + amount.numeric_value(),
hsl_col[2].numeric_value(),
rgb_col[3].numeric_value(),
new_Node);
new_Node, path, line);
}
extern Signature desaturate_sig = "desaturate($color, $amount)";
......@@ -451,12 +426,12 @@ namespace Sass {
Node hsl_col(rgb_to_hsl(rgb_col[0].numeric_value(),
rgb_col[1].numeric_value(),
rgb_col[2].numeric_value(),
new_Node));
new_Node, path, line));
return hsla_impl(hsl_col[0].numeric_value(),
hsl_col[1].numeric_value() - amount.numeric_value(),
hsl_col[2].numeric_value(),
rgb_col[3].numeric_value(),
new_Node);
new_Node, path, line);
}
extern Signature grayscale_sig = "grayscale($color)";
......@@ -466,12 +441,12 @@ namespace Sass {
Node hsl_color(rgb_to_hsl(color[0].numeric_value(),
color[1].numeric_value(),
color[2].numeric_value(),
new_Node));
new_Node, path, line));
Node result(hsla_impl(hsl_color[0].numeric_value(),
0.0, // desaturate completely
hsl_color[2].numeric_value(),
color[3].numeric_value(),
new_Node));
new_Node, path, line));
return new_Node(path, line,
result[0].numeric_value(),
result[1].numeric_value(),
......@@ -486,12 +461,12 @@ namespace Sass {
Node hsl_color(rgb_to_hsl(color[0].numeric_value(),
color[1].numeric_value(),
color[2].numeric_value(),
new_Node));
new_Node, path, line));
Node result(hsla_impl(hsl_color[0].numeric_value() - 180, // other side of the color wheel
hsl_color[1].numeric_value(),
hsl_color[2].numeric_value(),
color[3].numeric_value(),
new_Node));
new_Node, path, line));
return new_Node(path, line,
result[0].numeric_value(),
result[1].numeric_value(),
......@@ -635,7 +610,7 @@ namespace Sass {
Node hsl_node(rgb_to_hsl(color[0].numeric_value(),
color[1].numeric_value(),
color[2].numeric_value(),
new_Node));
new_Node, path, line));
if (!h.is_false() && !h.is_numeric()) throw_eval_error("argument $hue of 'adjust-color' must be numeric", h.path(), h.line());
if (!s.is_false() && !s.is_numeric()) throw_eval_error("argument $saturation of 'adjust-color' must be numeric", s.path(), s.line());
if (!l.is_false() && !l.is_numeric()) throw_eval_error("argument $lightness of 'adjust-color' must be numeric", l.path(), l.line());
......@@ -644,7 +619,7 @@ namespace Sass {
double new_s = (s.is_false() ? 0 : s.numeric_value()) + hsl_node[1].numeric_value();
double new_l = (l.is_false() ? 0 : l.numeric_value()) + hsl_node[2].numeric_value();
double new_a = (a.is_false() ? 0 : a.numeric_value()) + color[3].numeric_value();
return hsla_impl(new_h, new_s, new_l, new_a, new_Node);
return hsla_impl(new_h, new_s, new_l, new_a, new_Node, path, line);
}
else if (!a.is_false()) {
if (!a.is_numeric()) throw_eval_error("argument $alpha of 'adjust-color' must be numeric", a.path(), a.line());
......@@ -696,7 +671,7 @@ namespace Sass {
Node hsl_node(rgb_to_hsl(color[0].numeric_value(),
color[1].numeric_value(),
color[2].numeric_value(),
new_Node));
new_Node, path, line));
if (!h.is_false() && !h.is_numeric()) throw_eval_error("argument $hue of 'change-color' must be numeric", h.path(), h.line());
if (!s.is_false() && !s.is_numeric()) throw_eval_error("argument $saturation of 'change-color' must be numeric", s.path(), s.line());
if (!l.is_false() && !l.is_numeric()) throw_eval_error("argument $lightness of 'change-color' must be numeric", l.path(), l.line());
......@@ -705,7 +680,7 @@ namespace Sass {
double new_s = (s.is_false() ? hsl_node[1].numeric_value() : s.numeric_value());
double new_l = (l.is_false() ? hsl_node[2].numeric_value() : l.numeric_value());
double new_a = (a.is_false() ? color[3].numeric_value() : a.numeric_value());
return hsla_impl(new_h, new_s, new_l, new_a, new_Node);
return hsla_impl(new_h, new_s, new_l, new_a, new_Node, path, line);
}
else if (!a.is_false()) {
if (!a.is_numeric()) throw_eval_error("argument $alpha of 'change-color' must be numeric", a.path(), a.line());
......
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