/*========================================================
= =
= STYLE =
= =
========================================================*/
#define HTML_PADDING_X 8;
#define HTML_PADDING_Y 5;
struct _style {
bool bold, underlined, italic, strike;
bool h1, h2, h3, h4, h5, h6;
bool a;
bool pre;
bool ignore;
bool body;
dword color;
void clear();
};
void _style::clear()
{
bold=underlined=italic=strike=0;
h1=h2=h3=h4=h5=h6=0;
a=0;
pre=0;
ignore=0;
color=0;
body=0;
}
/*========================================================
= =
= TAG =
= =
========================================================*/
struct _tag {
dword start;
dword end;
dword name;
bool opens;
dword attribute;
dword value;
void parse();
int nameis();
};
void _tag::parse()
{
dword START = start;
calc(1); //WTF
if (ESBYTE[START]=='/') {
START++;
opens = false;
} else opens = true;
name = START;
while ( (START < end) && (!__isWhite(ESBYTE[START])) ) {
START++;
}
if (START!=end) ESBYTE[START] = '\0';
START++;
strlwr(name);
start = START;
}
int _tag::nameis(dword _in_tag_name)
{
if (name) && (streq(_in_tag_name, name)) return true;
return false;
}
/*========================================================
= =
= DRAW =
= =
========================================================*/
struct _draw
{
dword x;
dword y;
void init();
void line_break();
};
void _draw::init()
{
x = HTML_PADDING_X;
y = HTML_PADDING_Y;
}
void _draw::line_break()
{
y+= list.item_h;
x = HTML_PADDING_X;
}
/*========================================================
= =
= BUF =
= =
========================================================*/
struct _buf
{
dword pointer;
dword len;
dword start;
dword end;
void init();
};
void _buf::init(dword _buf_pointer, _buf_len)
{
pointer = _buf_pointer;
len = _buf_len;
start = malloc(len);
end = start + len;
strlcpy(start, pointer, len);
}
/*========================================================
= =
= TEXT =
= =
========================================================*/
struct _text {
int size_pt_change;
dword start;
dword end;
dword width;
};
/*========================================================
= =
= DOM =
= =
========================================================*/
struct _dom
{
_tag tag;
_style style;
_draw draw;
_buf buf;
_text text;
_canvas canvas;
void init();
void apply_text();
void set_style();
void parse();
};
void _dom::init()
{
style.clear();
draw.init();
buf.init(io.buffer_data, strlen(io.buffer_data));
}
void _dom::set_style()
{
if (tag.nameis("body")) style.body = tag.opens;
if (tag.nameis("b")) style.bold = tag.opens;
if (tag.nameis("i")) style.italic = tag.opens;
if (tag.nameis("s")) style.strike = tag.opens;
if (tag.nameis("pre")) style.pre = tag.opens;
if (tag.nameis("style")) style.ignore = tag.opens;
if (tag.nameis("a")) {
style.a = tag.opens;
if (tag.opens) style.color=0x0000FF; else style.color=0;
}
if (tag.nameis("br"))
|| (tag.nameis("p"))
|| (tag.nameis("div"))
|| (tag.nameis("tr")) {
draw.line_break();
return;
}
if (tag.nameis("li")) && (tag.opens) {
draw.line_break();
return;
}
if (tag.nameis("td")) && (tag.opens) {
draw.line_break();
return;
}
/*
if (tag.nameis("title")) {
strcpy(#title, text.start);
strcat(#title, " - Aelia");
DrawTitle(#title);
}
if (tag.nameis("h1")) || (tag.nameis("/h1")) ||
(tag.nameis("h2")) || (tag.nameis("/h2")) ||
(tag.nameis("h3")) || (tag.nameis("/h3")) {
if (tag.nameis("h1")) {
text.size_pt_change = 8;
} else if (tag.nameis("/h1")) {
text.size_pt_change = -8;
} else if (tag.nameis("h2")) {
text.size_pt_change = 6;
} else if (tag.nameis("/h2")) {
text.size_pt_change = -6;
} else if (tag.nameis("h3")) {
text.size_pt_change = 4;
} else if (tag.nameis("/h3")) {
text.size_pt_change = -4;
}
kfont.size.pt += text.size_pt_change;
get_label_symbols_size();
if (text.size_pt_change > 0) {
draw.y+= list.item_h;//что если будет очень длинная строка в теге?
} else {//коммент выше и коммент ниже связаны
draw.y+= list.item_h - text.size_pt_change;//не очень понятна логика этого места
text.size_pt_change = 0;
}
draw.x = HTML_PADDING_X;
return;
}
*/
}
void _dom::apply_text(dword _intext)
{
int label_w;
int textlen = strlen(_intext);
dword curline = malloc(textlen);
if (!textlen) || (!style.body) return;
do {
strlcpy(curline, _intext, textlen);
label_w = kfont.get_label_width(curline);
textlen--;
} while (label_w > list.w - draw.x - 10) && (textlen);
kfont.bold = style.bold;
if (kfont.size.height) {
canvas.write_text(draw.x, draw.y, style.color, curline);
if (style.a) {
canvas.draw_hor_line(draw.x, draw.y + list.item_h-2,
kfont.get_label_width(curline), style.color);
link.add(draw.x, draw.y, kfont.get_label_width(curline),
list.item_h, curline, "http://kolibrios.org");
}
}
draw.x += label_w;
strcpy(curline, _intext + textlen);
if (textlen) && (textlen < strlen(_intext)-1) {
draw.x = 0;
draw.y += list.item_h;
apply_text(_intext + textlen);
}
}
void _dom::parse()
{
dword i;
init();
text.start = buf.start;
tag.start = buf.start;
for ( i=buf.start; i<buf.end; i++ )
{
if (ESBYTE[i]=='<') {
tag.start = i+1;
text.end = i-1;
ESBYTE[i] = '\0';
apply_text(text.start);
}
if (ESBYTE[i]=='>') {
tag.end = i-1;
text.start = i+1;
ESBYTE[i] = '\0';
tag.parse();
set_style();
}
}
free(buf.start);
if (!kfont.size.height) {
list.count = draw.y/list.item_h+3;
if (list.count < list.visible) list.count = list.visible;
kfont.size.height = list.count+5*list.item_h;
kfont.raw_size = 0;
parse();
}
}
/*========================================================
= =
= PREPARE =
= =
========================================================*/
void PreparePage()
{
_dom dom;
strcpy(#title, history.current()+strrchr(history.current(),'/'));
ChangeCharset(encoding, "CP866", io.buffer_data);
link.clear();
kfont.size.height = 0;
dom.parse();
kfont.ApplySmooth();
DrawPage();
}