/* duplicate css properties */
static CSSProperty *dup_properties(CSSProperty *props)
{
CSSProperty *p, *first_p, **plast_p;
first_p = NULL;
plast_p = &first_p;
for (p = props; p != NULL; p = p->next) {
css_add_prop_values(&plast_p, p->property, p->nb_values, &p->value);
}
return first_p;
}
static void html_eval_tag(XMLState *s, CSSBox *box)
{
const char *value;
CSSProperty *first_prop, **last_prop;
QEColor color;
int width, height, val, type;
int border, padding;
CSSPropertyValue arg;
CSSPropertyValue args[2];
first_prop = NULL;
last_prop = &first_prop;
switch (box->tag) {
case CSS_ID_img:
parse_img:
box->content_type = CSS_CONTENT_TYPE_IMAGE;
box->u.image.content_alt = NULL;
/* set alt content */
value = css_attr_str(box, CSS_ID_alt);
if (!value) {
/* if no alt, display the name of the image */
value = css_attr_str(box, CSS_ID_src);
if (value)
value = basename(value);
}
if (value && value[0] != '\0') {
arg.type = CSS_VALUE_STRING;
arg.u.str = strdup(value);
css_add_prop(&last_prop, CSS_content_alt, &arg);
}
width = css_attr_int(box, CSS_ID_width, 0);
if (width <= 0)
width = DEFAULT_IMG_WIDTH;
height = css_attr_int(box, CSS_ID_height, 0);
if (height <= 0)
height = DEFAULT_IMG_HEIGHT;
css_add_prop_unit(&last_prop, CSS_width,
CSS_UNIT_PIXEL, width);
css_add_prop_unit(&last_prop, CSS_height,
CSS_UNIT_PIXEL, height);
/* border */
val = css_attr_int(box, CSS_ID_border, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_border_left_width,
CSS_UNIT_PIXEL, val);
css_add_prop_unit(&last_prop, CSS_border_right_width,
CSS_UNIT_PIXEL, val);
css_add_prop_unit(&last_prop, CSS_border_top_width,
CSS_UNIT_PIXEL, val);
css_add_prop_unit(&last_prop, CSS_border_bottom_width,
CSS_UNIT_PIXEL, val);
css_add_prop_int(&last_prop, CSS_border_left_style,
CSS_BORDER_STYLE_SOLID);
css_add_prop_int(&last_prop, CSS_border_right_style,
CSS_BORDER_STYLE_SOLID);
css_add_prop_int(&last_prop, CSS_border_top_style,
CSS_BORDER_STYLE_SOLID);
css_add_prop_int(&last_prop, CSS_border_bottom_style,
CSS_BORDER_STYLE_SOLID);
}
/* margins */
val = css_attr_int(box, CSS_ID_hspace, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_margin_left,
CSS_UNIT_PIXEL, val);
css_add_prop_unit(&last_prop, CSS_margin_right,
CSS_UNIT_PIXEL, val);
}
val = css_attr_int(box, CSS_ID_vspace, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_margin_top,
CSS_UNIT_PIXEL, val);
css_add_prop_unit(&last_prop, CSS_margin_bottom,
CSS_UNIT_PIXEL, val);
}
break;
case CSS_ID_body:
value = css_attr_str(box, CSS_ID_text);
if (value && !css_get_color(&color, value)) {
css_add_prop_int(&last_prop, CSS_color, color);
}
/* we handle link by adding a new stylesheet entry */
value = css_attr_str(box, CSS_ID_link);
if (value && !css_get_color(&color, value)) {
CSSStyleSheetEntry *e;
CSSSimpleSelector ss1, *ss = &ss1;
CSSProperty **last_prop;
CSSStyleSheetAttributeEntry **plast_attr;
/* specific to <a href="xxx"> tag */
memset(ss, 0, sizeof(CSSSimpleSelector));
ss->tag = CSS_ID_a;
plast_attr = &ss->attrs;
add_attribute(&plast_attr, CSS_ID_href, CSS_ATTR_OP_SET, "");
e = add_style_entry(s->style_sheet, ss, CSS_MEDIA_ALL);
/* add color property */
last_prop = &e->props;
css_add_prop_int(&last_prop, CSS_color, color);
}
break;
case CSS_ID_font:
case CSS_ID_basefont:
/* size */
value = css_attr_str(box, CSS_ID_size);
if (value) {
val = strtol(value, NULL, 10);
if (value[0] == '+' || value[0] == '-') {
/* relative size */
val += s->base_font;
}
if (val < 1)
val = 1;
else if (val > 7)
val = 7;
if (box->tag == CSS_ID_basefont)
s->base_font = val;
/* XXX: incorrect for basefont */
css_add_prop_unit(&last_prop, CSS_font_size,
CSS_UNIT_IN, get_font_size(val - 1));
}
/* color */
value = css_attr_str(box, CSS_ID_color);
if (value && !css_get_color(&color, value)) {
css_add_prop_int(&last_prop, CSS_color, color);
}
break;
case CSS_ID_br:
value = css_attr_strlower(box, CSS_ID_clear);
if (value) {
val = css_get_enum(value, "none,left,right,all");
if (val >= 0) {
css_add_prop_int(&last_prop, CSS_clear, val + CSS_CLEAR_NONE);
}
}
break;
case CSS_ID_table:
val = css_attr_int(box, CSS_ID_width, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_width,
CSS_UNIT_PIXEL, val);
}
border = css_attr_int(box, CSS_ID_border, -1);
if (border >= 0) {
css_add_prop_unit(&last_prop, CSS_border_left_width,
CSS_UNIT_PIXEL, border);
css_add_prop_unit(&last_prop, CSS_border_right_width,
CSS_UNIT_PIXEL, border);
css_add_prop_unit(&last_prop, CSS_border_top_width,
CSS_UNIT_PIXEL, border);
css_add_prop_unit(&last_prop, CSS_border_bottom_width,
CSS_UNIT_PIXEL, border);
css_add_prop_int(&last_prop, CSS_border_left_style,
CSS_BORDER_STYLE_GROOVE);
css_add_prop_int(&last_prop, CSS_border_right_style,
CSS_BORDER_STYLE_GROOVE);
css_add_prop_int(&last_prop, CSS_border_top_style,
CSS_BORDER_STYLE_GROOVE);
css_add_prop_int(&last_prop, CSS_border_bottom_style,
CSS_BORDER_STYLE_GROOVE);
/* cell have a border of 1 pixel width */
if (border > 1)
border = 1;
}
val = css_attr_int(box, CSS_ID_cellspacing, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_border_spacing_horizontal,
CSS_UNIT_PIXEL, val);
css_add_prop_unit(&last_prop, CSS_border_spacing_vertical,
CSS_UNIT_PIXEL, val);
}
padding = css_attr_int(box, CSS_ID_cellpadding, -1);
/* apply border styles to each cell (cannot be done exactly by
CSS) */
if (border >= 1 || padding >= 1)
html_table_borders(box, border, padding);
break;
case CSS_ID_col:
case CSS_ID_colgroup:
val = css_attr_int(box, CSS_ID_width, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_width, CSS_UNIT_PIXEL, val);
}
break;
case CSS_ID_td:
val = css_attr_int(box, CSS_ID_width, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_width, CSS_UNIT_PIXEL, val);
}
val = css_attr_int(box, CSS_ID_height, -1);
if (val >= 0) {
css_add_prop_unit(&last_prop, CSS_height, CSS_UNIT_PIXEL, val);
}
break;
case CSS_ID_ol:
case CSS_ID_li:
/* NOTE: case is important */
/* XXX: currently cannot propagate for LI tag */
value = css_attr_str(box, CSS_ID_type);
if (value) {
val = css_get_enum(value, "1,a,A,i,I");
if (val >= 0) {
val += CSS_LIST_STYLE_TYPE_DECIMAL;
css_add_prop_int(&last_prop, CSS_list_style_type, val);
}
}
/* XXX: add value, but needs a css extension */
if (box->tag == CSS_ID_ol)
val = CSS_ID_start;
else
val = CSS_ID_value;
/* NOTE: only works with digits */
val = css_attr_int(box, val, 0);
if (val > 0) {
args[0].type = CSS_VALUE_IDENT;
args[0].u.val = CSS_ID_list_item;
args[1].type = CSS_VALUE_INTEGER;
args[1].u.val = val - 1; /* currently needs minus 1 */
css_add_prop_values(&last_prop, CSS_counter_reset, 2, args);
}
break;
/* controls */
case CSS_ID_button:
type = CSS_ID_submit;
value = css_attr_strlower(box, CSS_ID_type);
if (value)
type = css_new_ident(value);
if (type != CSS_ID_button && type != CSS_ID_reset)
type = CSS_ID_submit;
goto parse_input;
case CSS_ID_input:
type = CSS_ID_text;
value = css_attr_strlower(box, CSS_ID_type);
if (value) {
type = css_new_ident(value);
} else {
CSSAttribute *attr;
/* NOTE: we add an attribute for css rules */
attr = box_new_attr(CSS_ID_type, "text");
if (attr) {
attr->next = box->attrs;
box->attrs = attr;
}
}
parse_input:
if (type == CSS_ID_image)
goto parse_img;
if (type == CSS_ID_button ||
type == CSS_ID_reset ||
type == CSS_ID_submit ||
type == CSS_ID_text ||
type == CSS_ID_password ||
type == CSS_ID_file) {
/* put text inside the box (XXX: use attr() in content
attribute ? */
value = css_attr_str(box, CSS_ID_value);
if (value) {
css_set_text_string(box, value);
}
}
/* size */
if (type == CSS_ID_text ||
type == CSS_ID_password) {
val = css_attr_int(box, CSS_ID_size, 10);
css_add_prop_unit(&last_prop, CSS_width,
CSS_UNIT_EM, val << CSS_LENGTH_FRAC_BITS);
}
break;
case CSS_ID_textarea:
val = css_attr_int(box, CSS_ID_cols, 10);
if (val < 1)
val = 1;
css_add_prop_unit(&last_prop, CSS_width,
CSS_UNIT_EM, val << CSS_LENGTH_FRAC_BITS);
val = css_attr_int(box, CSS_ID_rows, 1);
if (val < 1)
val = 1;
css_add_prop_unit(&last_prop, CSS_height,
CSS_UNIT_EM, val << CSS_LENGTH_FRAC_BITS);
break;
case CSS_ID_select:
val = css_attr_int(box, CSS_ID_size, 1);
if (val < 1)
val = 1;
css_add_prop_unit(&last_prop, CSS_height,
CSS_UNIT_EM, val << CSS_LENGTH_FRAC_BITS);
break;
default:
break;
}
/* generic attributes */
value = css_attr_str(box, CSS_ID_bgcolor);
if (value && !css_get_color(&color, value)) {
css_add_prop_int(&last_prop, CSS_background_color, color);
}
value = css_attr_strlower(box, CSS_ID_align);
if (value) {
switch (box->tag) {
case CSS_ID_caption:
/* use caption-side property for captions */
val = css_get_enum(value, "top,bottom,left,right");
if (val >= 0) {
css_add_prop_int(&last_prop, CSS_caption_side, val);
}
break;
case CSS_ID_img:
/* floating images */
val = css_get_enum(value, "left,right");
if (val >= 0) {
css_add_prop_int(&last_prop, CSS_float, val + CSS_FLOAT_LEFT);
}
break;
case CSS_ID_table:
val = css_get_enum(value, "left,right,center");
if (val == CSS_TEXT_ALIGN_LEFT || val == CSS_TEXT_ALIGN_RIGHT) {
css_add_prop_int(&last_prop, CSS_float, val + CSS_FLOAT_LEFT);
} else if (val == CSS_TEXT_ALIGN_CENTER) {
css_add_prop_int(&last_prop, CSS_margin_left, CSS_AUTO);
css_add_prop_int(&last_prop, CSS_margin_right, CSS_AUTO);
}
break;
default:
val = css_get_enum(value, "left,right,center");
if (val >= 0) {
css_add_prop_int(&last_prop, CSS_text_align, val);
}
break;
}
}
value = css_attr_strlower(box, CSS_ID_valign);
if (value) {
val = css_get_enum(value, "baseline,,,top,,middle,bottom");
if (val >= 0) {
css_add_prop_int(&last_prop, CSS_vertical_align, val);
}
}
val = css_attr_int(box, CSS_ID_colspan, 1);
if (val > 1) {
css_add_prop_unit(&last_prop, CSS_column_span, CSS_VALUE_INTEGER, val);
}
val = css_attr_int(box, CSS_ID_rowspan, 1);
if (val > 1) {
css_add_prop_unit(&last_prop, CSS_row_span, CSS_VALUE_INTEGER, val);
}
value = css_attr_str(box, CSS_ID_style);
if (value) {
CSSParseState b1, *b = &b1;
b->ptr = NULL;
b->line_num = s->line_num; /* XXX: slightly incorrect */
b->filename = s->filename;
b->ignore_case = s->ignore_case;
*last_prop = css_parse_properties(b, value);
}
box->properties = first_prop;
}
/* parse the properties and return a list of properties. NOTE: 'b' is
only used for error reporting */
CSSProperty *css_parse_properties(CSSParseState *b, const char *props_str)
{
const char *p;
char property[64];
char buf[1024], buf2[64];
int property_index, type, val, nb_args, i, unit;
int property_index1;
CSSPropertyValue args[MAX_ARGS];
CSSProperty **last_prop, *first_prop;
const CSSPropertyDef *def;
val = 0;
first_prop = NULL;
last_prop = &first_prop;
p = props_str;
for (;;) {
get_str(&p, property, sizeof(property), ":");
if (*p == '\0')
break;
if (*p == ':')
p++;
skip_spaces(&p);
/* find the property */
def = css_properties;
for (;;) {
if (def >= css_properties + NB_PROPERTIES) {
css_error1(b, "unsupported property '%s'", property);
/* property not found skip it: find next ';' */
while (*p && *p != ';')
p++;
goto next;
}
if (!strcmp(def->name, property))
break;
def++;
}
property_index = def - css_properties;
type = def->type;
nb_args = 0;
for (;;) {
/* get argument */
skip_spaces(&p);
if (*p == ';' || *p == '\0')
break;
/* more than 1 argument only if wanted */
if (nb_args >= 1 &&
!(type & (CSS_TYPE_FOUR|CSS_TYPE_TWO|CSS_TYPE_ARGS)))
break;
if (nb_args >= 2 &&
!(type & (CSS_TYPE_FOUR|CSS_TYPE_ARGS)))
break;
if (nb_args >= 4 &&
(!type & CSS_TYPE_ARGS))
break;
if (nb_args >= MAX_ARGS)
break;
if (*p == '\"' || *p == '\'') {
/* string parsing */
/* if no string expected, continue parsing */
if (!(type & CSS_TYPE_STRING))
goto next;
args[nb_args].u.str = css_parse_string(&p);
unit = CSS_VALUE_STRING;
goto got_val;
}
if (type & CSS_TYPE_ATTR) {
/* attr(x) support */
if (strstart(p, "attr(", &p)) {
get_str(&p, buf, sizeof(buf), ");");
if (buf[0] != '\0') {
if (*p != ')')
goto next;
p++;
if (b->ignore_case)
css_strtolower(buf, sizeof(buf));
args[nb_args].u.attr_id = css_new_ident(buf);
unit = CSS_VALUE_ATTR;
goto got_val;
}
}
}
if (type & CSS_TYPE_COUNTER) {
/* counter(x[,type]) support */
if (strstart(p, "counter(", &p)) {
get_str(&p, buf, sizeof(buf), ",);");
args[nb_args].u.counter.type = CSS_LIST_STYLE_TYPE_DECIMAL;
if (*p == ',') {
p++;
get_str(&p, buf2, sizeof(buf2), ");");
val = css_get_enum(buf2, list_style_enum);
if (val >= 0)
args[nb_args].u.counter.type = val;
}
if (*p != ')')
goto next;
p++;
args[nb_args].u.counter.counter_id = css_new_ident(buf);
unit = CSS_VALUE_COUNTER;
goto got_val;
}
}
get_str(&p, buf, sizeof(buf), ";");
unit = CSS_UNIT_NONE;
if (type & CSS_TYPE_AUTO) {
if (!strcmp(buf, "auto")) {
val = CSS_AUTO;
goto got_val;
}
}
if (!(type & CSS_TYPE_NOINHERIT)) {
if (!strcmp(buf, "inherit")) {
val = CSS_INHERIT;
goto got_val;
}
}
if (type & CSS_TYPE_INTEGER) {
const char *p1;
val = strtol(buf, (char **)&p1, 0);
if (*p1 == '\0') {
unit = CSS_VALUE_INTEGER;
goto got_val;
}
}
if (type & CSS_TYPE_LENGTH) {
if (!css_get_length(&val, &unit, buf))
goto got_val;
}
if (type & CSS_TYPE_BORDER_STYLE) {
val = css_get_enum(buf, border_style_enum);
if (val >= 0)
goto got_val;
}
if (type & CSS_TYPE_LIST_STYLE) {
val = css_get_enum(buf, list_style_enum);
if (val >= 0)
goto got_val;
}
if (type & CSS_TYPE_ENUM) {
val = css_get_enum(buf, def->name + strlen(def->name) + 1);
if (val >= 0)
goto got_val;
}
if (type & CSS_TYPE_IDENT) {
val = css_new_ident(buf);
unit = CSS_VALUE_IDENT;
goto got_val;
}
if (type & CSS_TYPE_FONT_FAMILY) {
val = css_get_font_family(buf);
if (val == 0)
val = CSS_INHERIT;
goto got_val;
}
if (type & CSS_TYPE_COLOR) {
QEColor color;
/* XXX: color parsing is not always discriminant */
if (!css_get_color(&color, buf)) {
val = color;
unit = CSS_VALUE_COLOR;
goto got_val;
}
}
css_error1(b, "unrecognized value '%s' for property '%s'",
buf, def->name);
goto next;
got_val:
/* specific handling may be necessary. We do them here */
switch (property_index) {
case CSS_font_size:
if (unit == CSS_UNIT_NONE) {
if (val == 7) {
/* smaller */
unit = CSS_UNIT_PERCENT;
val = (CSS_LENGTH_FRAC_BASE * 10) / 12;
} else if (val == 8) {
/* larger */
unit = CSS_UNIT_PERCENT;
val = (CSS_LENGTH_FRAC_BASE * 12) / 10;
} else if (val >= 0) {
unit = CSS_UNIT_IN;
val = get_font_size(val);
} else {
goto next;
}
}
break;
case CSS_border:
case CSS_border_left:
case CSS_border_top:
case CSS_border_right:
case CSS_border_bottom:
if (unit == CSS_VALUE_COLOR) {
property_index1 = property_index +
CSS_border_color - CSS_border;
} else if (unit == CSS_UNIT_NONE) {
property_index1 = property_index +
CSS_border_style - CSS_border;
} else {
property_index1 = property_index +
CSS_border_width - CSS_border;
}
args[0].type = unit;
args[0].u.val = val;
if (property_index == CSS_border) {
for (i = 0; i < 4; i++)
css_add_prop(&last_prop, property_index1 + 1 + i,
&args[0]);
} else {
css_add_prop(&last_prop, property_index1, &args[0]);
}
/* parse next args without storing them */
continue;
}
args[nb_args].type = unit;
if (unit != CSS_VALUE_STRING &&
unit != CSS_VALUE_ATTR &&
unit != CSS_VALUE_COUNTER) {
args[nb_args].u.val = val;
}
nb_args++;
}
if (type & CSS_TYPE_SPECIAL)
goto next;
if (type & CSS_TYPE_FOUR) {
CSSPropertyValue v1, v2, v3, v4;
/* handle specifically the four args case */
v1 = args[0];
switch (nb_args) {
case 1:
args[1] = args[2] = args[3] = v1;
break;
case 2:
v2 = args[1];
args[1] = args[3] = v1;
args[0] = args[2] = v2;
break;
case 3:
v2 = args[1];
v3 = args[2];
args[1] = v1;
args[0] = args[2] = v2;
args[3] = v3;
break;
case 4:
default:
v2 = args[1];
v3 = args[2];
v4 = args[3];
args[1] = v1;
args[2] = v2;
args[3] = v3;
args[0] = v4;
break;
}
for (i = 0; i < 4; i++)
css_add_prop(&last_prop, property_index + 1 + i, &args[i]);
} else if (type & CSS_TYPE_TWO) {
if (nb_args == 1)
args[1] = args[0];
for (i = 0; i < 2; i++)
css_add_prop(&last_prop, property_index + 1 + i, &args[i]);
} else if (type & CSS_TYPE_ARGS) {
/* unbounded number of args */
css_add_prop_values(&last_prop, property_index, nb_args, args);
} else {
css_add_prop(&last_prop, property_index, &args[0]);
}
next:
skip_spaces(&p);
if (*p != ';')
break;
p++;
}
return first_prop;
}
void css_add_prop(CSSProperty ***last_prop,
int property_index, CSSPropertyValue *val_ptr)
{
css_add_prop_values(last_prop, property_index, 1, val_ptr);
}
