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#include <libcss/computed.h>
#include <libcss/properties.h>
#include "utils/fpmath.h"
static size_t dump_css_fixed(css_fixed f, char *ptr, size_t len)
{
#define ABS(x) (uint32_t)((x) < 0 ? -(x) : (x))
uint32_t uintpart = FIXTOINT(ABS(f));
/* + 500 to ensure round to nearest (division will truncate) */
uint32_t fracpart = ((ABS(f) & 0x3ff) * 1000 + 500) / (1 << 10);
#undef ABS
size_t flen = 0;
char tmp[20];
size_t tlen = 0;
char *buf = ptr;
if (len == 0)
return 0;
if (f < 0) {
buf[0] = '-';
buf++;
len--;
}
do {
tmp[tlen] = "0123456789"[uintpart % 10];
tlen++;
uintpart /= 10;
} while (tlen < 20 && uintpart != 0);
while (tlen > 0 && len > 0) {
buf[0] = tmp[--tlen];
buf++;
len--;
}
if (len > 0) {
buf[0] = '.';
buf++;
len--;
}
do {
tmp[tlen] = "0123456789"[fracpart % 10];
tlen++;
fracpart /= 10;
} while (tlen < 20 && fracpart != 0);
while (tlen > 0 && len > 0) {
buf[0] = tmp[--tlen];
buf++;
flen++;
len--;
}
while (flen < 3 && len > 0) {
buf[0] = '0';
buf++;
flen++;
len--;
}
if (len > 0)
buf[0] = '\0';
return buf - ptr;
}
static size_t dump_css_number(css_fixed val, char *ptr, size_t len)
{
if (INTTOFIX(FIXTOINT(val)) == val)
return snprintf(ptr, len, "%d", FIXTOINT(val));
else
return dump_css_fixed(val, ptr, len);
}
static size_t dump_css_unit(css_fixed val, css_unit unit, char *ptr, size_t len)
{
size_t ret = dump_css_number(val, ptr, len);
switch (unit) {
case CSS_UNIT_PX:
ret += snprintf(ptr + ret, len - ret, "px");
break;
case CSS_UNIT_EX:
ret += snprintf(ptr + ret, len - ret, "ex");
break;
case CSS_UNIT_EM:
ret += snprintf(ptr + ret, len - ret, "em");
break;
case CSS_UNIT_IN:
ret += snprintf(ptr + ret, len - ret, "in");
break;
case CSS_UNIT_CM:
ret += snprintf(ptr + ret, len - ret, "cm");
break;
case CSS_UNIT_MM:
ret += snprintf(ptr + ret, len - ret, "mm");
break;
case CSS_UNIT_PT:
ret += snprintf(ptr + ret, len - ret, "pt");
break;
case CSS_UNIT_PC:
ret += snprintf(ptr + ret, len - ret, "pc");
break;
case CSS_UNIT_PCT:
ret += snprintf(ptr + ret, len - ret, "%%");
break;
case CSS_UNIT_DEG:
ret += snprintf(ptr + ret, len - ret, "deg");
break;
case CSS_UNIT_GRAD:
ret += snprintf(ptr + ret, len - ret, "grad");
break;
case CSS_UNIT_RAD:
ret += snprintf(ptr + ret, len - ret, "rad");
break;
case CSS_UNIT_MS:
ret += snprintf(ptr + ret, len - ret, "ms");
break;
case CSS_UNIT_S:
ret += snprintf(ptr + ret, len - ret, "s");
break;
case CSS_UNIT_HZ:
ret += snprintf(ptr + ret, len - ret, "Hz");
break;
case CSS_UNIT_KHZ:
ret += snprintf(ptr + ret, len - ret, "kHz");
break;
}
return ret;
}
static void dump_computed_style(const css_computed_style *style, char *buf,
size_t *len)
{
char *ptr = buf;
size_t wrote = 0;
uint8_t val;
css_color color;
const css_string *url;
css_fixed len1, len2;
css_unit unit1, unit2;
val = css_computed_background_attachment(style);
switch (val) {
case CSS_BACKGROUND_ATTACHMENT_FIXED:
wrote = snprintf(ptr, *len, "background-attachment: fixed\n");
break;
case CSS_BACKGROUND_ATTACHMENT_SCROLL:
wrote = snprintf(ptr, *len, "background-attachment: scroll\n");
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
val = css_computed_background_color(style, &color);
switch (val) {
case CSS_BACKGROUND_COLOR_TRANSPARENT:
wrote = snprintf(ptr, *len, "background-color: transparent\n");
break;
case CSS_BACKGROUND_COLOR_COLOR:
wrote = snprintf(ptr, *len, "background-color: #%08x\n", color);
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
val = css_computed_background_image(style, &url);
if (val == CSS_BACKGROUND_IMAGE_IMAGE && url->data != NULL) {
wrote = snprintf(ptr, *len, "background-image: url('%.*s')\n",
(int) url->len, url->data);
} else if (val == CSS_BACKGROUND_IMAGE_NONE) {
wrote = snprintf(ptr, *len, "background-image: none\n");
} else {
wrote = 0;
}
ptr += wrote;
*len -= wrote;
val = css_computed_background_position(style, &len1, &unit1,
&len2, &unit2);
if (val == CSS_BACKGROUND_POSITION_SET) {
wrote = snprintf(ptr, *len, "background-position: ");
ptr += wrote;
*len -= wrote;
wrote = dump_css_unit(len1, unit1, ptr, *len);
ptr += wrote;
*len -= wrote;
wrote = snprintf(ptr, *len, " ");
ptr += wrote;
*len -= wrote;
wrote = dump_css_unit(len2, unit2, ptr, *len);
ptr += wrote;
*len -= wrote;
wrote = snprintf(ptr, *len, "\n");
ptr += wrote;
*len -= wrote;
}
val = css_computed_background_repeat(style);
switch (val) {
case CSS_BACKGROUND_REPEAT_REPEAT_X:
wrote = snprintf(ptr, *len, "background-repeat: repeat-x\n");
break;
case CSS_BACKGROUND_REPEAT_REPEAT_Y:
wrote = snprintf(ptr, *len, "background-repeat: repeat-y\n");
break;
case CSS_BACKGROUND_REPEAT_REPEAT:
wrote = snprintf(ptr, *len, "background-repeat: repeat\n");
break;
case CSS_BACKGROUND_REPEAT_NO_REPEAT:
wrote = snprintf(ptr, *len, "background-repeat: no-repeat\n");
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
val = css_computed_border_collapse(style);
switch (val) {
case CSS_BORDER_COLLAPSE_SEPARATE:
wrote = snprintf(ptr, *len, "border-collapse: separate\n");
break;
case CSS_BORDER_COLLAPSE_COLLAPSE:
wrote = snprintf(ptr, *len, "border-collapse: collapse\n");
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
if (style->uncommon != NULL) {
val = css_computed_border_spacing(style, &len1, &unit1,
&len2, &unit2);
if (val == CSS_BORDER_SPACING_SET) {
wrote = snprintf(ptr, *len, "border-spacing: ");
ptr += wrote;
*len -= wrote;
wrote = dump_css_unit(len1, unit1, ptr, *len);
ptr += wrote;
*len -= wrote;
wrote = snprintf(ptr, *len, " ");
ptr += wrote;
*len -= wrote;
wrote = dump_css_unit(len2, unit2, ptr, *len);
ptr += wrote;
*len -= wrote;
wrote = snprintf(ptr, *len, "\n");
ptr += wrote;
*len -= wrote;
}
}
val = css_computed_border_top_color(style, &color);
switch (val) {
case CSS_BORDER_COLOR_TRANSPARENT:
wrote = snprintf(ptr, *len, "border-top-color: transparent\n");
break;
case CSS_BORDER_COLOR_COLOR:
wrote = snprintf(ptr, *len, "border-top-color: #%08x\n", color);
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
val = css_computed_border_right_color(style, &color);
switch (val) {
case CSS_BORDER_COLOR_TRANSPARENT:
wrote = snprintf(ptr, *len,
"border-right-color: transparent\n");
break;
case CSS_BORDER_COLOR_COLOR:
wrote = snprintf(ptr, *len,
"border-right-color: #%08x\n", color);
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
val = css_computed_border_bottom_color(style, &color);
switch (val) {
case CSS_BORDER_COLOR_TRANSPARENT:
wrote = snprintf(ptr, *len,
"border-bottom-color: transparent\n");
break;
case CSS_BORDER_COLOR_COLOR:
wrote = snprintf(ptr, *len,
"border-bottom-color: #%08x\n", color);
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
val = css_computed_border_left_color(style, &color);
switch (val) {
case CSS_BORDER_COLOR_TRANSPARENT:
wrote = snprintf(ptr, *len, "border-left-color: transparent\n");
break;
case CSS_BORDER_COLOR_COLOR:
wrote = snprintf(ptr, *len,
"border-left-color: #%08x\n", color);
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
val = css_computed_color(style, &color);
if (val == CSS_COLOR_COLOR) {
wrote = snprintf(ptr, *len, "color: #%08x\n", color);
ptr += wrote;
*len -= wrote;
}
val = css_computed_display(style);
switch (val) {
case CSS_DISPLAY_INLINE:
wrote = snprintf(ptr, *len, "display: inline\n");
break;
case CSS_DISPLAY_BLOCK:
wrote = snprintf(ptr, *len, "display: block\n");
break;
case CSS_DISPLAY_LIST_ITEM:
wrote = snprintf(ptr, *len, "display: list-item\n");
break;
case CSS_DISPLAY_RUN_IN:
wrote = snprintf(ptr, *len, "display: run-in\n");
break;
case CSS_DISPLAY_INLINE_BLOCK:
wrote = snprintf(ptr, *len, "display: inline-block\n");
break;
case CSS_DISPLAY_TABLE:
wrote = snprintf(ptr, *len, "display: table\n");
break;
case CSS_DISPLAY_INLINE_TABLE:
wrote = snprintf(ptr, *len, "display: inline-table\n");
break;
case CSS_DISPLAY_TABLE_ROW_GROUP:
wrote = snprintf(ptr, *len, "display: table-row-group\n");
break;
case CSS_DISPLAY_TABLE_HEADER_GROUP:
wrote = snprintf(ptr, *len, "display: table-header-group\n");
break;
case CSS_DISPLAY_TABLE_FOOTER_GROUP:
wrote = snprintf(ptr, *len, "display: table-footer-group\n");
break;
case CSS_DISPLAY_TABLE_ROW:
wrote = snprintf(ptr, *len, "display: table-row\n");
break;
case CSS_DISPLAY_TABLE_COLUMN_GROUP:
wrote = snprintf(ptr, *len, "display: table-column-group\n");
break;
case CSS_DISPLAY_TABLE_COLUMN:
wrote = snprintf(ptr, *len, "display: table-column\n");
break;
case CSS_DISPLAY_TABLE_CELL:
wrote = snprintf(ptr, *len, "display: table-cell\n");
break;
case CSS_DISPLAY_TABLE_CAPTION:
wrote = snprintf(ptr, *len, "display: table-caption\n");
break;
case CSS_DISPLAY_NONE:
wrote = snprintf(ptr, *len, "display: none\n");
break;
default:
wrote = 0;
break;
}
ptr += wrote;
*len -= wrote;
}
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