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-rw-r--r--css/ruleset.c277
1 files changed, 276 insertions, 1 deletions
diff --git a/css/ruleset.c b/css/ruleset.c
index e2e0d03bd..345b86225 100644
--- a/css/ruleset.c
+++ b/css/ruleset.c
@@ -23,6 +23,7 @@
#include "netsurf/content/content.h"
#include "netsurf/desktop/options.h"
#include "netsurf/utils/log.h"
+#include "netsurf/utils/url.h"
#include "netsurf/utils/utils.h"
@@ -33,7 +34,11 @@ static int parse_length(struct css_length * const length,
const struct css_node * const v, bool non_negative);
static colour parse_colour(const struct css_node * const v);
static void parse_background(struct css_style * const s, const struct css_node * v);
+static void parse_background_attachment(struct css_style * const s, const struct css_node * const v);
static void parse_background_color(struct css_style * const s, const struct css_node * const v);
+static void parse_background_image(struct css_style * const s, const struct css_node * const v);
+static void parse_background_position(struct css_style * const s, const struct css_node * const v);
+static void parse_background_repeat(struct css_style * const s, const struct css_node * const v);
static void parse_border(struct css_style * const s, const struct css_node * v);
static void parse_border_bottom(struct css_style * const s, const struct css_node * v);
static void parse_border_bottom_color(struct css_style * const s, const struct css_node * v);
@@ -102,7 +107,7 @@ static css_text_decoration css_text_decoration_parse(const char * const s,
/** An entry in css_property_table. */
struct css_property_entry {
- const char name[20];
+ const char name[25];
void (*parse) (struct css_style * const s,
const struct css_node * const v);
};
@@ -110,7 +115,11 @@ struct css_property_entry {
/** Table of property parsers. MUST be sorted by property name. */
static const struct css_property_entry css_property_table[] = {
{ "background", parse_background },
+ { "background-attachment", parse_background_attachment },
{ "background-color", parse_background_color },
+ { "background-image", parse_background_image },
+ { "background-position", parse_background_position },
+ { "background-repeat", parse_background_repeat },
{ "border", parse_border },
{ "border-bottom", parse_border_bottom },
{ "border-bottom-color", parse_border_bottom_color },
@@ -481,6 +490,16 @@ void parse_background(struct css_style * const s, const struct css_node * v)
}
}
+void parse_background_attachment(struct css_style * const s, const struct css_node * const v)
+{
+ css_background_attachment z;
+ if (v->type != CSS_NODE_IDENT || v->next != 0)
+ return;
+ z = css_background_attachment_parse(v->data, v->data_length);
+ if (z != CSS_BACKGROUND_ATTACHMENT_UNKNOWN)
+ s->background_attachment = z;
+}
+
void parse_background_color(struct css_style * const s, const struct css_node * const v)
{
colour c = parse_colour(v);
@@ -488,6 +507,262 @@ void parse_background_color(struct css_style * const s, const struct css_node *
s->background_color = c;
}
+void parse_background_image(struct css_style * const s, const struct css_node * const v)
+{
+ bool string = false;
+ const char *u;
+ char *t, *url;
+ s->background_image.uri = 0;
+
+ switch (v->type) {
+ case CSS_NODE_URI:
+ for (u = v->data + 4;
+ *u == ' ' || *u == '\t' || *u == '\r' ||
+ *u == '\n' || *u == '\f';
+ u++)
+ ;
+ if (*u == '\'' || *u == '"') {
+ string = true;
+ u++;
+ }
+ url = strndup(u, v->data_length - (u - v->data));
+ if (!url) {
+ return;
+ }
+ for (t = url + strlen(url) - 2;
+ *t == ' ' || *t == '\t' || *t == '\r' ||
+ *t == '\n' || *t == '\f';
+ t--)
+ ;
+ if (string)
+ *t = 0;
+ else
+ *(t + 1) = 0;
+
+ s->background_image.uri = url_join(url, v->stylesheet->url);
+ free(url);
+ if (!s->background_image.uri) return;
+ s->background_image.type = CSS_BACKGROUND_IMAGE_URI;
+ break;
+ case CSS_NODE_STRING:
+ url = strndup(v->data, v->data_length);
+ if (!url)
+ return;
+
+ s->background_image.uri = url_join(url, v->stylesheet->url);
+ free(url);
+ if (!s->background_image.uri) return;
+ s->background_image.type = CSS_BACKGROUND_IMAGE_URI;
+ break;
+ case CSS_NODE_IDENT:
+ if (v->data_length == 7 && strncasecmp(v->data, "inherit", 7) == 0)
+ s->background_image.type = CSS_BACKGROUND_IMAGE_INHERIT;
+ else if (v->data_length == 4 && strncasecmp(v->data, "none", 4) == 0)
+ s->background_image.type = CSS_BACKGROUND_IMAGE_NONE;
+ break;
+ default:
+ break;
+ }
+}
+
+void parse_background_position(struct css_style * const s, const struct css_node * v)
+{
+ struct css_node *w = v->next;
+
+ if (!w) { /* only one value specified */
+ if (v->type == CSS_NODE_IDENT) {
+ if (v->data_length == 3 && strncasecmp(v->data, "top", 3) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 50.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 0.0;
+ }
+ else if (v->data_length == 4 && strncasecmp(v->data, "left", 4) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 0.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ else if (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 50.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ else if (v->data_length == 5 && strncasecmp(v->data, "right", 5) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 100.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ else if (v->data_length == 6 && strncasecmp(v->data, "bottom", 6) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 50.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 100.0;
+ }
+ }
+ else if (v->type == CSS_NODE_PERCENTAGE) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = atof(v->data);
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ else if (v->type == CSS_NODE_DIMENSION) {
+
+ if (parse_length(&s->background_position.horz.value.length, v, false) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_LENGTH;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ }
+ }
+
+ /* two values specified */
+ if (v->type == CSS_NODE_IDENT && w->type == CSS_NODE_IDENT) {
+ /* both keywords */
+ if ((v->data_length == 3 && strncasecmp(v->data, "top", 3) == 0 && w->data_length == 4 && strncasecmp(w->data, "left", 4) == 0) ||
+ (v->data_length == 4 && strncasecmp(v->data, "left", 4) == 0 && w->data_length == 3 && strncasecmp(w->data, "top", 3) == 0)) {
+ /* top left / left top */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 0.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 0.0;
+ }
+ else if ((v->data_length == 3 && strncasecmp(v->data, "top", 3) == 0 && w->data_length == 6 && strncasecmp(w->data, "center", 6) == 0) ||
+ (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0 && w->data_length == 3 && strncasecmp(w->data, "top", 3) == 0)) {
+ /* top center / center top */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 50.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 0.0;
+ }
+ else if ((v->data_length == 3 && strncasecmp(v->data, "top", 3) == 0 && w->data_length == 5 && strncasecmp(w->data, "right", 5) == 0) ||
+ (v->data_length == 5 && strncasecmp(v->data, "right", 5) == 0 && w->data_length == 3 && strncasecmp(w->data, "top", 3) == 0)) {
+ /* top right / right top */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 100.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 0.0;
+ }
+ else if ((v->data_length == 4 && strncasecmp(v->data, "left", 4) == 0 && w->data_length == 6 && strncasecmp(w->data, "center", 6) == 0) ||
+ (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0 && w->data_length == 4 && strncasecmp(w->data, "left", 4) == 0)) {
+ /* left center / center left */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 0.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ else if (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0 && w->data_length == 6 && strncasecmp(w->data, "center", 6) == 0) {
+ /* center center */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 50.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ else if ((v->data_length == 5 && strncasecmp(v->data, "right", 5) == 0 && w->data_length == 6 && strncasecmp(w->data, "center", 6) == 0) ||
+ (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0 && w->data_length == 5 && strncasecmp(w->data, "right", 5) == 0)) {
+ /* right center / center right */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 100.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ else if ((v->data_length == 6 && strncasecmp(v->data, "bottom", 6) == 0 && w->data_length == 4 && strncasecmp(w->data, "left", 4) == 0) ||
+ (v->data_length == 4 && strncasecmp(v->data, "left", 4) == 0 && w->data_length == 6 && strncasecmp(w->data, "bottom", 6) == 0)) {
+ /* bottom left / left bottom */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 0.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 100.0;
+ }
+ else if ((v->data_length == 6 && strncasecmp(v->data, "bottom", 6) == 0 && w->data_length == 6 && strncasecmp(w->data, "center", 6) == 0) ||
+ (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0 && w->data_length == 6 && strncasecmp(w->data, "bottom", 6) == 0)) {
+ /* bottom center / center bottom */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 50.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 100.0;
+ }
+ else if ((v->data_length == 6 && strncasecmp(v->data, "bottom", 6) == 0 && w->data_length == 5 && strncasecmp(w->data, "right", 5) == 0) ||
+ (v->data_length == 5 && strncasecmp(v->data, "right", 5) == 0 && w->data_length == 6 && strncasecmp(w->data, "bottom", 6) == 0)) {
+ /* bottom right / right bottom */
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 100.0;
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 100.0;
+ }
+ }
+ else {
+ switch (v->type) { /* horizontal value */
+ case CSS_NODE_IDENT:
+ if (v->data_length == 7 && strncasecmp(v->data, "inherit", 7) == 0)
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_INHERIT;
+ else if (v->data_length == 4 && strncasecmp(v->data, "left", 4) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 0.0;
+ }
+ else if (v->data_length == 5 && strncasecmp(v->data, "right", 5) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 100.0;
+ }
+ else if (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0) {
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = 50.0;
+ }
+ break;
+ case CSS_NODE_PERCENTAGE:
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.horz.value.percent = atof(v->data);
+ break;
+ case CSS_NODE_DIMENSION:
+ if (parse_length(&s->background_position.horz.value.length, v, false) == 0)
+ s->background_position.horz.pos = CSS_BACKGROUND_POSITION_LENGTH;
+ break;
+ default:
+ break;
+ }
+ switch (w->type) { /* vertical value */
+ case CSS_NODE_IDENT:
+ if (v->data_length == 7 && strncasecmp(v->data, "inherit", 7) == 0)
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_INHERIT;
+ else if (v->data_length == 3 && strncasecmp(v->data, "top", 3) == 0) {
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 0.0;
+ }
+ else if (v->data_length == 6 && strncasecmp(v->data, "bottom", 6) == 0) {
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 100.0;
+ }
+ else if (v->data_length == 6 && strncasecmp(v->data, "center", 6) == 0) {
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = 50.0;
+ }
+ break;
+ case CSS_NODE_PERCENTAGE:
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_PERCENT;
+ s->background_position.vert.value.percent = atof(v->data);
+ break;
+ case CSS_NODE_DIMENSION:
+ if (parse_length(&s->background_position.vert.value.length, v, false) == 0)
+ s->background_position.vert.pos = CSS_BACKGROUND_POSITION_LENGTH;
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+void parse_background_repeat(struct css_style * const s, const struct css_node * const v)
+{
+ css_background_repeat z;
+ if (v->type != CSS_NODE_IDENT || v->next != 0)
+ return;
+ z = css_background_repeat_parse(v->data, v->data_length);
+ if (z != CSS_BACKGROUND_REPEAT_UNKNOWN)
+ s->background_repeat = z;
+}
+
void parse_border_width(struct css_style * const s,
const struct css_node * const v)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 07:31:16 +0000