forked from KolibriOS/kolibrios
185 lines
4.5 KiB
C
185 lines
4.5 KiB
C
|
char char_width[255];
|
||
|
|
|
||
|
|
void PreparePage()
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
list.SetSizes(0, TOOLBAR_H, Form.cwidth-scroll.size_x-1, Form.cheight-TOOLBAR_H, label.size.pt+1);
|
||
|
|
//get font chars width, need to increase performance
|
||
|
|
//if (strstri(io.buffer_data, "<html>")==-1) {
|
||
|
|
debugln("no <html> found");
|
||
|
|
label.changeSIZE();
|
||
|
|
for (i=0; i<256; i++) char_width[i] = label.symbol_size(i);
|
||
|
|
ChangeCharset(charsets[encoding], "CP866", io.buffer_data);
|
||
|
|
DrawProgress(STEP_2_COUNT_PAGE_HEIGHT); ParceTxt(false); //get page height to calculate buffer size
|
||
|
|
DrawProgress(STEP_3_DRAW_PAGE_INTO_BUFFER); ParceTxt(true); //draw text in buffer
|
||
|
|
DrawProgress(STEP_4_SMOOTH_FONT); label.apply_smooth();
|
||
|
|
DrawProgress(STEP_5_STOP); DrawPage();
|
||
|
|
/*}
|
||
|
|
else {
|
||
|
|
debugln("<html> tag found");
|
||
|
|
label.changeSIZE();
|
||
|
|
for (i=0; i<256; i++) char_width[i] = label.symbol_size(i);
|
||
|
|
ChangeCharset(charsets[encoding], "CP866", io.buffer_data);
|
||
|
|
DrawProgress(STEP_2_COUNT_PAGE_HEIGHT); ParceHtml(false); //get page height to calculate buffer size
|
||
|
|
DrawProgress(STEP_3_DRAW_PAGE_INTO_BUFFER); ParceHtml(true); //draw text in buffer
|
||
|
|
DrawProgress(STEP_4_SMOOTH_FONT); label.apply_smooth();
|
||
|
|
DrawProgress(STEP_5_STOP); DrawPage();
|
||
|
|
}*/
|
||
|
|
}
|
||
|
|
|
||
|
|
void ParceTxt(byte draw)
|
||
|
|
{
|
||
|
|
byte ch, zeroch=0;
|
||
|
|
dword bufoff, buflen, line_start, srch_pos;
|
||
|
|
int stroka_y=5, line_length=0;
|
||
|
|
|
||
|
|
line_start=io.buffer_data;
|
||
|
|
buflen = strlen(io.buffer_data) + io.buffer_data;
|
||
|
|
for (bufoff=io.buffer_data; bufoff<buflen; bufoff++)
|
||
|
|
{
|
||
|
|
ch = ESBYTE[bufoff];
|
||
|
|
line_length += char_width[ch];
|
||
|
|
if (line_length>=list.w-30) || (ch==10) {
|
||
|
|
srch_pos = bufoff;
|
||
|
|
loop()
|
||
|
|
{
|
||
|
|
if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
|
||
|
|
if (srch_pos == line_start) break; //no white space found in whole line
|
||
|
|
srch_pos--;
|
||
|
|
}
|
||
|
|
if (draw==true) {
|
||
|
|
ESBYTE[bufoff] >< zeroch; //set line end
|
||
|
|
label.write_buf(8,stroka_y,list.w,label.size.height, 0xFFFFFF, 0, label.size.pt, line_start);
|
||
|
|
ESBYTE[bufoff] >< zeroch; //restore line
|
||
|
|
DrawProgressWhileDrawing(bufoff, buflen);
|
||
|
|
if (stroka_y/list.item_h-list.first==list.visible) DrawPage();
|
||
|
|
}
|
||
|
|
stroka_y += list.item_h;
|
||
|
|
line_start = bufoff;
|
||
|
|
line_length = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (draw==false) {
|
||
|
|
list.count = stroka_y/list.item_h+2;
|
||
|
|
if (list.count < list.visible) list.count = list.visible;
|
||
|
|
label.size.height = list.count+1*list.item_h;
|
||
|
|
label.raw_size = 0;
|
||
|
|
}
|
||
|
|
if (draw==true) label.write_buf(8,stroka_y,list.w,label.size.height, 0xFFFFFF, 0, label.size.pt, line_start);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*========================================================
|
||
|
|
= =
|
||
|
|
= HTML =
|
||
|
|
= =
|
||
|
|
========================================================*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
HTML parcer tags:
|
||
|
|
<title>
|
||
|
|
<meta encoding>
|
||
|
|
<a hrf="">
|
||
|
|
<img src="" alt="">
|
||
|
|
<h1> ... <h6>
|
||
|
|
<b>
|
||
|
|
<u>
|
||
|
|
<s>
|
||
|
|
<pre>
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct _DOM {
|
||
|
|
dword start;
|
||
|
|
dword end;
|
||
|
|
dword len;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct _style {
|
||
|
|
bool b, u, i, s;
|
||
|
|
bool h1, h2, h3, h4, h5, h6;
|
||
|
|
bool a;
|
||
|
|
bool pre;
|
||
|
|
bool title;
|
||
|
|
bool br;
|
||
|
|
} style;
|
||
|
|
|
||
|
|
struct _tag {
|
||
|
|
dword start;
|
||
|
|
dword name;
|
||
|
|
dword param[10];
|
||
|
|
dword value[10];
|
||
|
|
void parce();
|
||
|
|
void get_param_value();
|
||
|
|
};
|
||
|
|
|
||
|
|
void _tag::parce()
|
||
|
|
{
|
||
|
|
bool closed_status = false;
|
||
|
|
if (start) debugln(start);
|
||
|
|
/*
|
||
|
|
if (strncmp(start, "/", 1)==0) {
|
||
|
|
start++;
|
||
|
|
closed_status = true;
|
||
|
|
}
|
||
|
|
if (!strcmp(start, "title")) style.title = closed_status;
|
||
|
|
if (!strcmp(start, "br")) style.br = closed_status;
|
||
|
|
*/
|
||
|
|
}
|
||
|
|
|
||
|
|
struct _text {
|
||
|
|
dword start;
|
||
|
|
int x, y;
|
||
|
|
void draw();
|
||
|
|
};
|
||
|
|
|
||
|
|
void _text::draw()
|
||
|
|
{
|
||
|
|
if (start) debugln(start);
|
||
|
|
/*
|
||
|
|
if (style.title) {
|
||
|
|
strlcpy(#title, start, sizeof(title));
|
||
|
|
DrawTitle(#title);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (style.br) {
|
||
|
|
y += list.item_h;
|
||
|
|
style.br = false;
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void ParceHtml(byte draw)
|
||
|
|
{
|
||
|
|
byte ch;
|
||
|
|
_DOM DOM;
|
||
|
|
_text text;
|
||
|
|
_tag tag;
|
||
|
|
dword DOM_pos;
|
||
|
|
|
||
|
|
/* Create DOM */
|
||
|
|
debugln("starting DOM parce");
|
||
|
|
DOM.len = strlen(io.buffer_data);
|
||
|
|
DOM.start = malloc(DOM.len);
|
||
|
|
DOM.end = DOM.start + DOM.len;
|
||
|
|
strlcpy(DOM.start, io.buffer_data, DOM.len);
|
||
|
|
|
||
|
|
/* Parce DOM */
|
||
|
|
text.start = DOM_pos;
|
||
|
|
for (DOM_pos=DOM.start; DOM_pos<DOM.end; DOM_pos++)
|
||
|
|
{
|
||
|
|
ch = ESBYTE[DOM_pos];
|
||
|
|
if (ch=='<') {
|
||
|
|
ESBYTE[DOM_pos] = NULL;
|
||
|
|
tag.start = DOM_pos + 1;
|
||
|
|
text.draw();
|
||
|
|
}
|
||
|
|
if (ch=='>') {
|
||
|
|
ESBYTE[DOM_pos] = NULL;
|
||
|
|
text.start = DOM_pos + 1;
|
||
|
|
tag.parce();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
free(DOM.start);
|
||
|
|
ExitProcess();
|
||
|
|
}
|