kolibrios/programs/cmm/browser/TWB/set_style.h
Kirill Lipatov (Leency) 061d9823f5 WebView: optimization of the prior commit
git-svn-id: svn://kolibrios.org@9351 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-12-01 18:44:42 +00:00

509 lines
15 KiB
C

void TWebBrowser::SetStyle()
{
if (tag.get_value_of("name")) || (tag.get_value_of("id")) {
anchors.add(tag.value, draw_y);
if (anchors.current) && (streq(tag.value, #anchors.current+1)) {
list.first = draw_y;
anchors.current = NULL;
}
}
if (tag.is("a")) { tag_a(); return; }
if (tag.is("p")) { tag_p(); return; }
if (tag.is("img")) { tag_img(); return; }
if (tag.is("div")) { tag_div(); return; }
if (tag.is("br")) { /*draw_x++;*/NewLine(); return; }
if (tag.is("nav")) { style.nav = tag.opened; return; }
if (tag.is("header")) { NewLine(); return; }
if (tag.is("article")) { NewLine(); return; }
if (tag.is("footer")) { NewLine(); return; }
if (tag.is("figure")) { NewLine(); return; }
if (tag.is("w:p")) { NewLine(); return; }
if (tag.is("b")) { style.b = tag.opened; return; }
if (tag.is("strong")) { style.b = tag.opened; return; }
if (tag.is("big")) { style.b = tag.opened; return; }
if (tag.is("w:b")) { style.b = tag.opened; return; }
if (tag.is("u")) { style.u = tag.opened; return; }
if (tag.is("ins")) { style.u = tag.opened; return; }
if (tag.is("s")) { style.s = tag.opened; return; }
if (tag.is("strike")) { style.s = tag.opened; return; }
if (tag.is("del")) { style.s = tag.opened; return; }
if (tag.is("pre")) { style.pre = tag.opened; return; }
if (tag.is("blockquote")) { style.blq = tag.opened; return; }
if (tag.is("button")) { style.button = tag.opened; return; }
if (tag.is("dl")) { if (tag.opened) NewLine(); return; }
if (tag.is("w:r")) { if (!tag.opened) style.b = false; return; }
if (tag.is("h1")) { tag_h1234_caption(); return; }
if (tag.is("h2")) { tag_h1234_caption(); return; }
if (tag.is("h3")) { tag_h1234_caption(); return; }
if (tag.is("h4")) { tag_h1234_caption(); return; }
if (tag.is("font")) { tag_font(); return; }
if (tag.is("dt")) { tag_ol_ul_dt(); return; }
if (tag.is("dd")) { tag_ol_ul_dt(); return; }
if (tag.is("ul")) { tag_ol_ul_dt(); return; }
if (tag.is("ol")) { tag_ol_ul_dt(); return; }
if (tag.is("li")) { tag_li(); return; }
if (tag.is("q")) { tag_q(); return; }
if (tag.is("hr")) { tag_hr(); return; }
if (tag.is("meta")) { tag_meta_xml(); return; }
if (tag.is("?xml")) { tag_meta_xml(); return; }
if (tag.is("code")) { tag_code(); return; }
if (tag.is("iframe")) { tag_iframe(); return; }
if (tag.is("caption")) { tag_h1234_caption(); return; }
if (tag.is("title")) { tag_title(); return; }
if (tag.is("body")) { tag_body(); return; }
if (tag.is("html")) { t_html = tag.opened; return; }
if (tag.is("table")) { tag_table(); return; }
if (tag.is("tr")) { tag_table(); return; }
if (tag.is("th")) { tag_table(); return; }
if (tag.is("td")) { tag_table(); return; }
if (application_mode) {
if (tag.is("exit")) { ExitProcess(); return; }
}
}
void TWebBrowser::tag_p()
{
IF (tag.prior[0] == 'h') || (streq(#tag.prior,"td")) || (streq(#tag.prior,"p")) return;
NewLine();
}
void TWebBrowser::tag_title()
{
style.title = tag.opened;
if (!tag.opened) DrawTitle(#header);
}
void TWebBrowser::tag_font()
{
style.font = tag.opened;
if (tag.opened)
{
if (tag.get_value_of("bg")) {
bg_colors.add(GetColor(tag.value));
} else {
bg_colors.add(bg_colors.get_last());
}
if (tag.get_value_of("color")) {
text_colors.add(GetColor(tag.value));
} else {
text_colors.add(text_colors.get_last());
}
}
else {
if (bg_colors.count>1) text_colors.pop();
if (bg_colors.count>1) bg_colors.pop(); //never pop the last color
}
}
void TWebBrowser::tag_div()
{
//if (streq(#tag.prior,"div")) && (tag.opened) return;
if (streq(#tag.prior,"td")) return;
if (streq(#tag.prior,"div")) return;
if (!tag.opened) && (style.font) text_colors.pop();
NewLine();
}
void TWebBrowser::tag_iframe()
{
if (tag.get_value_of("src")) {
NewLine();
strcpy(#linebuf, "IFRAME: ");
RenderTextbuf();
link=true;
links.add_link(tag.value);
strncpy(#linebuf, tag.value, sizeof(TWebBrowser.linebuf)-1);
RenderTextbuf();
link=false;
NewLine();
}
}
void TWebBrowser::tag_a()
{
if (tag.opened)
{
if (tag.get_value_of("href")) && (!strstr(tag.value,"javascript:"))
{
link = true;
links.add_link(tag.value);
}
} else {
link = false;
}
}
void TWebBrowser::tag_meta_xml()
{
if (custom_encoding == -1) if (tag.get_value_of("charset"))
|| (tag.get_value_of("content")) || (tag.get_value_of("encoding"))
{
EDX = strrchr(tag.value, '=') + tag.value; //search in content=
if (ESBYTE[EDX] == '"') EDX++;
strlwr(EDX);
EAX = get_encoding_type_by_name(EDX);
if (EAX!=-1) ChangeEncoding(EAX);
}
if (streq(tag.get_value_of("http-equiv"), "refresh")) && (tag.get_value_of("content")) {
if (tag.value = strstri(tag.value, "url")) strcpy(#redirect, tag.value);
}
if (streq(tag.get_value_of("name"), "application")) {
if (application_mode) {
if (tag.get_number_of("left")) {
MoveSize(tag.number,-1,-1,-1);
}
if (tag.get_number_of("top")) {
MoveSize(-1,tag.number,-1,-1);
}
if (tag.get_number_of("width")) {
MoveSize(-1,-1,tag.number,-1);
}
if (tag.get_number_of("height")) {
MoveSize(-1,-1,-1,tag.number);
}
}
}
}
signed int get_encoding_type_by_name(dword name)
{
EDX = name;
if (streqrp(EDX,"utf-8")) || (streqrp(EDX,"utf8")) return CH_UTF8;
else if (streqrp(EDX,"windows-1251")) || (streqrp(EDX,"windows1251")) return CH_CP1251;
else if (streqrp(EDX,"dos")) || (streqrp(EDX,"cp-866")) return CH_CP866;
else if (streqrp(EDX,"iso-8859-5")) || (streqrp(EDX,"iso8859-5")) return CH_ISO8859_5;
else if (streqrp(EDX,"koi8-r")) || (streqrp(EDX,"koi8-u")) return CH_KOI8;
return -1;
}
void TWebBrowser::tag_code()
{
if (style.pre = tag.opened) {
bg_colors.add(0xe4ffcb);
} else {
if (bg_colors.count>1) bg_colors.pop(); //never pop the last color
}
}
void TWebBrowser::tag_ol_ul_dt()
{
char type = ESBYTE[#tag.name];
switch(type)
{
case 'd':
if (ESBYTE[#tag.name+1]=='d') style.tag_list.upd_level(tag.opened, type);
if (ESBYTE[#tag.name+1]=='t') style.tag_list.upd_level(false, 'd');
if (tag.opened) NewLine();
break;
case 'u':
case 'o':
if (style.nav) && (style.tag_list.level) NewLine();
style.tag_list.upd_level(tag.opened, type);
if (!tag.opened) && (!style.pre) NewLine();
}
}
void TWebBrowser::tag_li()
{
if (style.nav) return;
if (tag.opened) {
if (!style.tag_list.level) style.tag_list.upd_level(1, 'u');
if (!style.pre) NewLine();
if (style.tag_list.order_type() == 'u') {
strcpy(#linebuf, "\31 ");
draw_x = style.tag_list.level * 5 - 2 * list.font_w + left_gap;
}
if (style.tag_list.order_type() == 'o') {
sprintf(#linebuf, "%i. ", style.tag_list.inc_counter());
draw_x = style.tag_list.level * 5 - 1 - strlen(#linebuf) * list.font_w + left_gap;
}
}
}
void TWebBrowser::tag_hr()
{
dword hrcol = 0x00777777;
if (tag.get_value_of("color")) hrcol = GetColor(tag.value);
if (draw_x != left_gap) NewLine();
if (secondrun) canvas.DrawBar(5+left_gap, style.cur_line_h / 2 + draw_y - 1, draw_w-10, 1, hrcol);
draw_x++;
NewLine();
return;
}
void TWebBrowser::tag_body()
{
t_body = tag.opened;
if (tag.get_value_of("link")) link_color_default = GetColor(tag.value);
if (tag.get_value_of("alink")) link_color_active = GetColor(tag.value);
if (tag.get_value_of("text")) text_colors.set(0, GetColor(tag.value));
if (tag.get_value_of("bgcolor")) {
bg_colors.set(0, GetColor(tag.value));
canvas.Fill(0, bg_colors.get(0));
}
// Autodetecting encoding if no encoding was set
if (tag.opened) && (custom_encoding==-1) && (cur_encoding == CH_CP866) {
if (strstr(bufpointer, "\208\190")) ChangeEncoding(CH_UTF8);
else if (chrnum(bufpointer, '\246')>5) ChangeEncoding(CH_CP1251);
}
}
void TWebBrowser::tag_q()
{
chrncat(#linebuf, '\"', sizeof(TWebBrowser.linebuf));
}
void TWebBrowser::tag_h1234_caption()
{
if (ESBYTE[#tag.name+1]=='4') {
NewLine();
NewLine();
style.h = tag.opened;
style.b = tag.opened;
} else {
style.h = tag.opened;
if (tag.opened) {
if (!style.pre) NewLine();
draw_y += 10;
list.SetFont(BASIC_CHAR_W*2, 14*2, 10011001b);
list.item_h = BASIC_LINE_H * 2 - 2;
if (tag.is("h1")) style.b = true;
} else {
if (tag.is("h1")) style.b = false;
NewLine();
list.SetFont(BASIC_CHAR_W, 14, 10011000b);
style.cur_line_h = list.item_h = BASIC_LINE_H;
}
}
}
void TWebBrowser::tag_img()
{
char img_path[4096]=0;
dword base64img;
if (!tag.get_value_of("data-large-image"))
if (!tag.get_value_of("data-src"))
if (!tag.get_value_of("src")) return;
if (streqrp(tag.value, "data:")) {
if (!strstr(tag.value, "base64,")) goto NOIMG;
EDX = EAX+7;
if (ESBYTE[EDX]==' ') EDX++;
base64img = malloc(strlen(EDX));
base64_decode stdcall (EDX, base64img, strlen(EDX));
img_decode stdcall (base64img, EAX, 0);
$push eax
free(base64img);
$pop eax
if (EAX) goto IMGOK; else goto NOIMG;
}
if (!strcmp(tag.value + strrchr(tag.value, '.'), "svg")) goto NOIMG;
if (!strcmp(tag.value + strrchr(tag.value, '.'), "webp")) goto NOIMG;
strlcpy(#img_path, tag.value, sizeof(img_path)-1);
replace_char(#img_path, ' ', '\0', sizeof(img_path));
get_absolute_url(#img_path, history.current());
if (check_is_the_adress_local(#img_path)) {
img_from_file stdcall(#img_path);
if (EAX) goto IMGOK; else goto NOIMG;
}
if (cache.has(#img_path)) {
img_decode stdcall (cache.current_buf, cache.current_size, 0);
if (EAX) goto IMGOK; else goto NOIMG;
} else {
img_url.add(#img_path);
goto NOIMG;
}
IMGOK:
if (RenderImage(EAX)) return;
NOIMG:
if (tag.get_value_of("title")) || (tag.get_value_of("alt")) {
strncpy(#img_path, tag.value, sizeof(TWebBrowser.linebuf)-3);
sprintf(#linebuf, "[%s]", #img_path);
} else {
if (streqrp(#img_path, "data:")) img_path=0;
replace_char(#img_path, '?', NULL, strlen(#img_path));
img_path[sizeof(TWebBrowser.linebuf)-3] = '\0'; //prevent overflow in sprintf
sprintf(#linebuf, "[%s]", #img_path+strrchr(#img_path, '/'));
linebuf[50]= NULL;
}
text_colors.add(0x9A6F29);
style.image = true;
RenderTextbuf();
style.image = false;
text_colors.pop();
}
struct TABLE {
int count;
int depth;
int margin;
collection_int cols;
collection_int width;
} table;
int tr_pos, td_pos;
int row_start_y;
int colcount;
dword tallest_cell_in_row;
void TWebBrowser::tag_table_reset()
{
table.depth = 0;
table.count = 0;
colcount = 0;
tr_pos = 0;
td_pos = 0;
}
void TWebBrowser::tag_table()
{
if (!tag.opened) {
if (style.font) tag_font();
if (link) tag_a();
style.b = false;
}
if (tag.is("table")) {
if(tag.opened) {
table.depth++;
if (table.depth==1) {
table.count++;
colcount = 0;
td_pos = 0;
row_start_y = draw_y;
if (tag.get_number_of("width")) {
if (strchr(tag.value, '%')) tag.number = list.w * tag.number / 100;
table.width.set(table.count, math.min(tag.number,list.w));
} else {
table.width.set(table.count, list.w);
}
}
} else {
if (table.depth>0) {
table.depth--;
}
if (table.depth==0) {
draw_x = left_gap = style.tag_list.level * 5 * list.font_w + BODY_MARGIN;
draw_w = list.w;
if (td_pos) draw_y = math.max(draw_y, tallest_cell_in_row);
draw_y = math.max(draw_y+style.cur_line_h, tallest_cell_in_row);
row_start_y = tallest_cell_in_row = draw_y;
style.cur_line_h = list.item_h;
}
}
}
if (table.depth>1) {
if (tag.is("tr")) && (tag.opened) NewLine();
return;
}
if (!secondrun) {
if (tag.is("tr")) {
if (tag.opened) {
table.cols.add(1);
}
colcount = 0;
}
if (tag.opened) if (tag.is("td")) || (tag.is("th")) {
if (!table.cols.count) { table.cols.add(1); colcount = 0;}
colcount++;
if (colcount) table.cols.set(table.cols.count-1, colcount);
//if (tag.get_number_of("colspan")) colcount += tag.number-1;
}
} else {
if (tag.is("tr")) {
if (tag.opened) {
if (td_pos) draw_y = math.max(draw_y, tallest_cell_in_row);
_TR_FIX:
if (draw_x==left_gap) && (draw_y==BODY_MARGIN) {
row_start_y = tallest_cell_in_row = draw_y;
} else {
row_start_y = tallest_cell_in_row = draw_y = draw_y + style.cur_line_h;
}
style.cur_line_h = list.item_h;
tr_pos++;
td_pos = 0;
} else {
draw_y = math.max(draw_y, tallest_cell_in_row);
td_pos = 0;
}
draw_x = left_gap = style.tag_list.level * 5 * list.font_w + BODY_MARGIN;
draw_w = list.w;
}
if (tag.is("td")) || (tag.is("th")) {
if (!tr_pos) goto _TR_FIX;
/*
if (tag.opened) {
if (tag.get_value_of("bgcolor")) {
bg_colors.add(GetColor(tag.value));
} else {
bg_colors.add(bg_colors.get(0));
}
} */
tallest_cell_in_row = math.max(draw_y+style.cur_line_h-list.item_h, tallest_cell_in_row);
style.cur_line_h = list.item_h;
if (tag.opened) {
if (!td_pos) {
table.margin = list.w - table.width.get(table.count) / 2 + BODY_MARGIN;
draw_x = left_gap = table.margin;
draw_w = table.width.get(table.count) - BODY_MARGIN;
} else {
draw_x = left_gap = left_gap + draw_w;
draw_w = table.width.get(table.count) - left_gap + table.margin - BODY_MARGIN;
}
if (EAX = table.cols.get(tr_pos-1)-td_pos) {
draw_w /= EAX;
} else {
draw_y = row_start_y;
draw_x = left_gap = table.margin;
}
if (table.cols.get(tr_pos-1)-td_pos>1) && (tag.get_number_of("width")) {
if (strchr(tag.value, '%')) {
tag.number = table.width.get(table.count) - table.margin - 23 - left_gap * tag.number / 100;
}
if (tag.number < draw_w) draw_w = tag.number;
}
draw_y = row_start_y;
//canvas.WriteText(draw_x, draw_y, 10001001b, 0x0000FE, itoa(draw_x), NULL);
//canvas.WriteText(draw_x, draw_y+20, 10001001b, 0xFF0000, itoa(draw_w), NULL);
td_pos++;
}
}
}
if (draw_x > table.width.get(table.count)) {
draw_x = left_gap = table.margin;
draw_w = table.width.get(table.count) - table.margin - 23 - left_gap;
table.depth = 0;
NewLine();
if (debug_mode) {
debugln("anomaly draw_x");
canvas.DrawBar(0, draw_y, 20, 20, 0xFF0000);
}
}
/*
if (left_gap + draw_w > list.w) {
draw_w = list.w - left_gap;
if (debug_mode) debugln("anomaly draw_W");
}
*/
}