0,0 → 1,654 |
#include "TWB\colors.h" |
#include "TWB\anchors.h" |
#include "TWB\parse_tag.h" |
#include "TWB\special.h" |
#include "TWB\img.h" |
#include "TWB\tag_list.h" |
dword page_bg; |
dword link_color_default; |
dword link_color_active; |
#include "TWB\links.h" |
|
#define BODY_MARGIN 6 |
#define BASIC_LINE_H 18 |
|
DrawBufer DrawBuf; |
char line[500]; |
|
struct _style { |
bool |
b, u, s, h, |
font, |
pre, |
blq, |
button, |
image; |
dword bg_color; |
LIST tag_list; |
dword tag_title; |
}; |
|
struct TWebBrowser { |
llist list; |
_style style; |
_img page_img; |
dword draw_y, stolbec; |
int zoom; |
dword o_bufpointer; |
int cur_encoding, custom_encoding; |
bool link, t_html, t_body; |
dword bufpointer; |
dword bufsize; |
dword is_html; |
|
void Paint(); |
void SetPageDefaults(); |
void AddCharToTheLine(); |
void ParseHtml(); |
void SetStyle(); |
bool CheckForLineBreak(); |
void NewLine(); |
void DrawScroller(); |
void ChangeEncoding(); |
void DrawPage(); |
char header[150]; |
char redirect[URL_SIZE]; |
}; |
|
scroll_bar scroll_wv = { 15,NULL,NULL,NULL,0,2,NULL,0,0,0xeeeeee,0xBBBbbb,0xeeeeee}; |
|
//============================================================================================ |
void TWebBrowser::Paint() |
{ |
dword start_x, line_length, stolbec_len; |
dword text_color__; |
|
if (style.tag_title) |
{ |
strncpy(#header, #line, sizeof(TWebBrowser.header)-1); |
strncat(#header, " - ", sizeof(TWebBrowser.header)-1); |
strncat(#header, #version, sizeof(TWebBrowser.header)-1); |
line = 0; |
return; |
} |
if (t_html) && (!t_body) { |
line = 0; |
return; |
} |
|
if (line) |
{ |
start_x = stolbec * list.font_w + BODY_MARGIN + list.x; |
stolbec_len = strlen(#line) * zoom; |
line_length = stolbec_len * list.font_w; |
|
if (debug_mode) { |
DrawBuf.DrawBar(start_x, draw_y, line_length, list.item_h, 0xDDDddd); |
} |
|
if (style.bg_color!=page_bg) { |
DrawBuf.DrawBar(start_x, draw_y, line_length, list.item_h, style.bg_color); |
} |
|
if (style.image) { |
DrawBuf.DrawBar(start_x, draw_y, line_length, list.item_h-1, 0xF9DBCB); |
} |
if (style.button) { |
DrawBuf.DrawBar(start_x, draw_y, line_length, list.item_h - calc(zoom*2), 0xCCCccc); |
DrawBuf.DrawBar(start_x, draw_y + list.item_h - calc(zoom*2), line_length, zoom, 0x999999); |
} |
|
text_color__ = text_colors.get_last(); |
if (link) && (text_color__ == text_colors.get(0)) text_color__ = link_color_default; |
|
DrawBuf.WriteText(start_x, draw_y, list.font_type, text_color__, #line, NULL); |
if (style.b) DrawBuf.WriteText(start_x+1, draw_y, list.font_type, text_color__, #line, NULL); |
if (style.s) DrawBuf.DrawBar(start_x, list.item_h / 2 - zoom + draw_y, line_length, zoom, text_color__); |
if (style.u) DrawBuf.DrawBar(start_x, list.item_h - zoom - zoom + draw_y, line_length, zoom, text_color__); |
if (link) { |
if (line[0]==' ') && (line[1]==NULL) {} else { |
DrawBuf.DrawBar(start_x, draw_y + list.item_h - calc(zoom*2)-1, line_length, zoom, link_color_default); |
links.add_text(start_x, draw_y + list.y, line_length, list.item_h - calc(zoom*2)-1, zoom); |
} |
} |
stolbec += stolbec_len; |
if (debug_mode) debug(#line); |
line = NULL; |
} |
} |
//============================================================================================ |
void TWebBrowser::SetPageDefaults() |
{ |
style.b = style.u = style.s = style.h = style.blq = t_html = t_body = style.pre = |
link = style.tag_title = style.font = false; |
style.tag_list.reset(); |
link_color_default = 0x0000FF; |
link_color_active = 0xFF0000; |
page_bg = 0xFFFFFF; |
style.bg_color = page_bg; |
DrawBuf.Fill(0, page_bg); |
links.clear(); |
anchors.clear(); |
page_img.clear(); |
text_colors.drop(); |
text_colors.add(0); |
header = NULL; |
cur_encoding = CH_CP866; |
draw_y = BODY_MARGIN; |
stolbec = 0; |
line = 0; |
zoom = 1; |
redirect = '\0'; |
//hold original buffer |
if (o_bufpointer) o_bufpointer=free(o_bufpointer); |
o_bufpointer = malloc(bufsize); |
memmov(o_bufpointer, bufpointer, bufsize); |
if (custom_encoding != -1) { |
cur_encoding = custom_encoding; |
bufpointer = ChangeCharset(cur_encoding, "CP866", bufpointer); |
} |
} |
//============================================================================================ |
void TWebBrowser::AddCharToTheLine(unsigned char _char) |
{ |
dword line_len; |
if (_char<=15) _char=' '; |
line_len = strlen(#line); |
if (!style.pre) && (_char == ' ') |
{ |
if (line[line_len-1]==' ') return; //no double spaces |
if (!stolbec) && (!line) return; //no paces at the beginning of the line |
} |
if (line_len < sizeof(line)) chrcat(#line, _char); |
CheckForLineBreak(); |
} |
//============================================================================================ |
void TWebBrowser::ParseHtml(dword _bufpointer, _bufsize){ |
word bukva[2]; |
char unicode_symbol[10]; |
dword unicode_symbol_result; |
dword j; |
bool ignor_param=false; |
int tab_len; |
dword bufpos; |
bufsize = _bufsize; |
if (bufpointer != _bufpointer) { |
bufpointer = malloc(bufsize); |
memmov(bufpointer, _bufpointer, bufsize); |
} else { |
custom_encoding = CH_CP866; |
} |
SetPageDefaults(); |
is_html = true; |
if (!strstri(bufpointer, "<body")) { |
t_body = true; |
if (!strstri(bufpointer, "<html")) && (!strstr(bufpointer, "<?xml")) && (!strstr(bufpointer, "<xml")) { |
style.pre = true; //show linebreaks for a plaint text |
is_html = false; |
} |
} |
for (bufpos=bufpointer ; (bufpos < bufpointer+bufsize) && (ESBYTE[bufpos]!=0) ; bufpos++;) |
{ |
//bukva = ESBYTE[bufpos]; |
switch (ESBYTE[bufpos]) |
{ |
case 0x0a: |
if (style.pre) { |
Paint(); |
NewLine(); |
} else { |
AddCharToTheLine(0x0a); |
} |
break; |
case 0x09: |
if (style.pre) { |
tab_len = strlen(#line) + stolbec % 4; |
if (!tab_len) tab_len = 4; else tab_len = 4 - tab_len; |
for (j=0; j<tab_len; j++;) chrcat(#line,' '); |
} else { |
AddCharToTheLine(0x09); |
} |
break; |
case '&': // and so on |
for (j=1, unicode_symbol=0; (ESBYTE[bufpos+j]<>';') && (!__isWhite(ESBYTE[bufpos+j])) && (j<8); j++) |
{ |
bukva = ESBYTE[bufpos+j]; |
chrcat(#unicode_symbol, bukva); |
} |
if (GetUnicodeSymbol(#line, #unicode_symbol, sizeof(line)-1)) { |
bufpos += j; |
CheckForLineBreak(); |
} else { |
AddCharToTheLine('&'); |
} |
break; |
case '<': |
if (!is_html) goto _DEFAULT; |
bufpos++; |
switch (ESBYTE[bufpos]) { |
case '!': |
case '/': |
case 'a'...'z': |
case 'A'...'Z': |
goto _TAG; |
default: |
goto _DEFAULT; |
} |
_TAG: |
if (!strncmp(bufpos,"!--",3)) |
{ |
bufpos+=3; |
//STRSTR |
while (strncmp(bufpos,"-->",3)!=0) && (bufpos < bufpointer + bufsize) |
{ |
bufpos++; |
} |
bufpos+=2; |
break; |
} |
tag.reset(); |
if (ESBYTE[bufpos] == '/') { |
tag.opened = false; |
bufpos++; |
} |
|
ignor_param=false; |
while (ESBYTE[bufpos] !='>') && (bufpos < bufpointer + bufsize) //ïîëó÷àåì òåã è åãî ïàðàìåòðû |
{ |
bukva = ESBYTE[bufpos]; |
if (__isWhite(bukva)) bukva = ' '; |
if (!ignor_param) && (bukva <>' ') { |
if (strlen(#tag.name)+1<sizeof(tag.name)) chrcat(#tag.name, bukva); |
} else { |
ignor_param = true; |
if (strlen(#tag.params)+1<sizeof(tag.params)) strcat(#tag.params, #bukva); |
//chrncat(#tag.params, bukva, sizeof(tag.params)-1); |
} |
bufpos++; |
} |
strlwr(#tag.name); |
|
// ignore text inside the next tags |
if (tag.is("script")) || (tag.is("style")) || (tag.is("binary")) || (tag.is("select")) { |
sprintf(#tag.params, "</%s>", #tag.name); |
if (j = strstri(bufpos, #tag.params)) bufpos = j-1; |
break; |
} |
|
if (tag.name[strlen(#tag.name)-1]=='/') tag.name[strlen(#tag.name)-1]=NULL; //for br/ !!!!!!!! |
if (tag.params) tag.parse_params(); |
|
if (tag.name) { |
CheckForLineBreak(); |
Paint(); |
if (tag.name) SetStyle(); |
} |
break; |
default: |
_DEFAULT: |
AddCharToTheLine(ESBYTE[bufpos]); |
} |
} |
Paint(); |
NewLine(); |
list.count = draw_y; |
list.CheckDoesValuesOkey(); |
anchors.current = NULL; |
custom_encoding = -1; |
if (!header) { |
strncpy(#header, #version, sizeof(TWebBrowser.header)-1); |
DrawTitle(#header); |
} |
} |
//============================================================================================ |
bool TWebBrowser::CheckForLineBreak() |
{ |
int line_break_pos; |
char new_line_text[4096]; |
//Do we need a line break? |
if (strlen(#line)*zoom + stolbec < list.column_max) return false; |
//Yes, we do. Lets calculate where... |
line_break_pos = strrchr(#line, ' '); |
//Is a new line fits in the current line? |
if (line_break_pos*zoom + stolbec > list.column_max) { |
line_break_pos = list.column_max/zoom - stolbec; |
while(line_break_pos) && (line[line_break_pos]!=' ') line_break_pos--; |
} |
//Maybe a new line is too big for the whole new line? Then we have to split it |
if (!line_break_pos) && (style.tag_list.level*5 + strlen(#line) * zoom >= list.column_max) { |
line_break_pos = list.column_max/zoom - stolbec; |
} |
strcpy(#new_line_text, #line + line_break_pos); |
line[line_break_pos] = 0x00; |
|
Paint(); |
|
strcpy(#line, #new_line_text); |
NewLine(); |
//while (CheckForLineBreak()==true) {}; |
return true; |
} |
//============================================================================================ |
void TWebBrowser::SetStyle() { |
char img_path[4096]=0; |
|
dword value; |
|
if (value = tag.get_value_of("name=")) || (value = tag.get_value_of("id=")) { |
anchors.add(value, draw_y); |
if (anchors.current) && (streq(value, #anchors.current+1)) { |
list.first = draw_y; |
anchors.current = NULL; |
} |
} |
if (tag.is("html")) { |
t_html = tag.opened; |
return; |
} |
if (tag.is("title")) { |
style.tag_title = tag.opened; |
if (!tag.opened) DrawTitle(#header); |
return; |
} |
if (tag.is("body")) { |
t_body = tag.opened; |
if (value = tag.get_value_of("link=")) link_color_default = GetColor(value); |
if (value = tag.get_value_of("alink=")) link_color_active = GetColor(value); |
if (value = tag.get_value_of("text=")) text_colors.set(0, GetColor(value)); |
if (value = tag.get_value_of("bgcolor=")) { |
style.bg_color = page_bg = GetColor(value); |
DrawBuf.Fill(0, page_bg); |
} |
// 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); |
} |
return; |
} |
if (tag.is("br")) { NewLine(); return; } |
if (tag.is("b")) || (tag.is("strong")) || (tag.is("big")) || (tag.is("w:b")) { |
style.b = tag.opened; |
return; |
} |
if (tag.is("w:r")) && (!tag.opened) { style.b = false; return; } |
if (tag.is("a")) { |
if (tag.opened) |
{ |
if (value = tag.get_value_of("href=")) && (!strstr(value,"javascript:")) |
{ |
link = true; |
links.add_link(value); |
} |
} else { |
link = false; |
style.bg_color = page_bg; |
} |
return; |
} |
if (tag.is("iframe")) && (value = tag.get_value_of("src=")) { |
NewLine(); |
strcpy(#line, "IFRAME: "); |
Paint(); |
link=true; |
links.add_link(value); |
strncpy(#line, value, sizeof(line)-1); |
while (CheckForLineBreak()) {}; |
Paint(); |
link=false; |
NewLine(); |
} |
if (tag.is("font")) { |
style.font = tag.opened; |
style.bg_color = page_bg; |
if (tag.opened) |
{ |
if (value = tag.get_value_of("bg=")) style.bg_color = GetColor(value); |
if (value = tag.get_value_of("color=")) { |
text_colors.add(GetColor(value)); |
} else { |
text_colors.add(text_colors.get_last()); |
} |
} |
else text_colors.pop(); |
return; |
} |
if (tag.is("div")) { |
if (streq(#tag.prior,"div")) && (tag.opened) return; |
if (!tag.opened) && (style.font) text_colors.pop(); |
NewLine(); |
return; |
} |
if (tag.is("header")) || (tag.is("article")) || (tag.is("footer")) || (tag.is("figure")) { |
NewLine(); |
return; |
} |
if (tag.is("p")) || (tag.is("w:p")) { |
IF (tag.prior[0] == 'h') || (streq(#tag.prior,"td")) || (streq(#tag.prior,"p")) return; |
NewLine(); |
return; |
} |
if (tag.is("pre")) { style.pre = tag.opened; return; } |
if (tag.is("td")) { if (tag.opened) AddCharToTheLine(' '); return; } |
if (tag.is("tr")) { if (tag.opened) NewLine(); return; } |
if (tag.is("button")) { style.button = tag.opened; stolbec++; return; } |
if (tag.is("u")) || (tag.is("ins")) { style.u=tag.opened; return;} |
if (tag.is("s")) || (tag.is("strike")) || (tag.is("del")) { style.s=tag.opened; return; } |
if (tag.is("dl")) { |
if (tag.opened) NewLine(); |
return; |
} |
if (tag.is("dd")) { |
//NewLine(); |
//if (tag.opened) stolbec += 5; //stolbec overflow! |
return; |
} |
if (tag.is("blockquote")) { style.blq = tag.opened; return; } |
if (tag.is("code")) { |
if (tag.opened) style.bg_color = 0xe4ffcb; else style.bg_color = page_bg; |
style.pre = tag.opened; return; |
} |
if (tag.is("img")) { |
value = tag.get_value_of("src="); |
|
/* |
if (streqrp(value, "data:")) { |
EAX = strstr(value, "base64,"); |
if (value == EAX) return; |
value = EAX; |
//cache.add(history.current(), http.content_pointer, http.content_received, PAGE); |
base64_decode stdcall (#pass_b64, value, strlen(value)); |
} else |
*/ |
strlcpy(#img_path, value, sizeof(img_path)-1); |
|
if (!img_path) { line=0; return; } |
|
value = page_img.add_pos(#img_path, stolbec+1*list.font_w+3, draw_y); |
|
if (cache.has(value)) { |
if (page_img.set_size(page_img.url.count-1, cache.current_buf, cache.current_size)) { |
|
if (link) links.add_text( |
stolbec * list.font_w + BODY_MARGIN + list.x, |
draw_y + list.y, |
page_img.xywh.get(page_img.url.count-1*4+2), |
page_img.xywh.get(page_img.url.count-1*4+3), |
0); |
|
stolbec += page_img.xywh.get(page_img.url.count-1*4+2) / 6 + 1; |
//if (stolbec > list.column_max) NewLine(); |
value = page_img.xywh.get(page_img.url.count-1*4+3); |
if (value > list.item_h) {draw_y += value - list.item_h; NewLine();} |
|
return; |
} |
} |
|
if (value = tag.get_value_of("title=")) && (strlen(value)<sizeof(line)-3) && (value) sprintf(#line, "[%s]", value); |
if (value = tag.get_value_of("alt=")) && (strlen(value)<sizeof(line)-3) && (value) sprintf(#line, "[%s]", value); |
if (!line) { |
if (!strncmp(#img_path, "data:", 5)) img_path=0; |
replace_char(#img_path, '?', NULL, strlen(#img_path)); |
sprintf(#line, "[%s]", #img_path+strrchr(#img_path, '/')); |
line[50]= NULL; |
} |
while (CheckForLineBreak()) {}; |
|
text_colors.add(0x9A6F29); |
style.image = true; |
Paint(); |
style.image = false; |
text_colors.pop(); |
return; |
} |
if (tag.is("h4")) { |
NewLine(); |
NewLine(); |
style.h = tag.opened; |
style.b = tag.opened; |
} |
if (tag.is("h1")) || (tag.is("h2")) || (tag.is("h3")) || (tag.is("caption")) { |
style.h = tag.opened; |
if (tag.opened) { |
if (!style.pre) NewLine(); |
draw_y += 10; |
zoom=2; |
list.font_type |= 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(); |
zoom=1; |
list.font_type = 10011000b; |
list.item_h = BASIC_LINE_H; |
} |
return; |
} |
if (tag.is("dt")) { |
style.tag_list.upd_level(tag.opened, DT); |
if (tag.opened) NewLine(); |
return; |
} |
if (tag.is("ul")) { |
style.tag_list.upd_level(tag.opened, UL); |
if (!tag.opened) && (!style.pre) NewLine(); |
return; |
} |
if (tag.is("ol")) { |
style.tag_list.upd_level(tag.opened, OL); |
if (!tag.opened) && (!style.pre) NewLine(); |
return; |
} |
if (tag.is("li")) && (tag.opened) |
{ |
if (!style.tag_list.level) style.tag_list.upd_level(1, UL); |
if (!style.pre) NewLine(); |
if (style.tag_list.get_order_type() == UL) { |
strcpy(#line, "\31 "); |
stolbec = style.tag_list.level * 5 - 2; |
} |
if (style.tag_list.get_order_type() == OL) { |
sprintf(#line, "%i. ", style.tag_list.inc_counter()); |
stolbec = style.tag_list.level * 5 - strlen(#line); |
} |
return; |
} |
if (tag.is("q")) |
{ |
if (tag.opened) { |
EAX = strlen(#line); |
if (line[EAX-1] != ' ') chrcat(#line, ' '); |
chrcat(#line, '\"'); |
} |
if (!tag.opened) strcat(#line, "\" "); |
return; |
} |
if (tag.is("hr")) { |
if (value = tag.get_value_of("color=")) EDI = GetColor(value); else EDI = 0x999999; |
$push edi; |
NewLine(); |
$pop edi; |
draw_y += 10; |
DrawBuf.DrawBar(5, draw_y - 1, list.w-10, 1, EDI); |
NewLine(); |
draw_y += 10; |
return; |
} |
if (tag.is("meta")) { |
if (streq(tag.get_value_of("http-equiv="), "refresh")) && (value = tag.get_value_of("content=")) { |
if (value = strstri(value, "url=")) strcpy(#redirect, value); |
} |
} |
if (custom_encoding == -1) && (tag.is("meta")) || (tag.is("?xml")) { |
if (value = tag.get_value_of("charset=")) || (value = tag.get_value_of("content=")) || (value = tag.get_value_of("encoding=")) |
{ |
value += strrchr(value, '='); //search in content= |
if (ESBYTE[value] == '"') value++; |
strlwr(value); |
if (streqrp(value,"utf-8")) || (streqrp(value,"utf8")) { ChangeEncoding(CH_UTF8); debugln("UTF"); } |
else if (streqrp(value,"windows-1251")) || (streqrp(value,"windows1251")) ChangeEncoding(CH_CP1251); |
else if (streqrp(value,"dos")) || (streqrp(value,"cp-866")) ChangeEncoding(CH_CP866); |
else if (streqrp(value,"iso-8859-5")) || (streqrp(value,"iso8859-5")) ChangeEncoding(CH_ISO8859_5); |
else if (streqrp(value,"koi8-r")) || (streqrp(value,"koi8-u")) ChangeEncoding(CH_KOI8); |
} |
return; |
} |
} |
//============================================================================================ |
void TWebBrowser::DrawScroller() |
{ |
scroll_wv.max_area = list.count; |
scroll_wv.cur_area = list.visible; |
scroll_wv.position = list.first; |
scroll_wv.all_redraw = 0; |
scroll_wv.start_x = list.x + list.w; |
scroll_wv.start_y = list.y; |
scroll_wv.size_y = list.h; |
scrollbar_v_draw(#scroll_wv); |
} |
//============================================================================================ |
void TWebBrowser::ChangeEncoding(int _new_encoding) |
{ |
if (cur_encoding == _new_encoding) return; |
cur_encoding = _new_encoding; |
bufpointer = ChangeCharset(cur_encoding, "CP866", bufpointer); |
if (header) { |
ChangeCharset(cur_encoding, "CP866", #header); |
DrawTitle(#header); |
} |
} |
//============================================================================================ |
void TWebBrowser::NewLine() |
{ |
dword onleft, ontop; |
static int empty_line=0; |
|
if (!stolbec) && (draw_y==BODY_MARGIN) return; |
|
if (style.tag_list.level) && (stolbec == style.tag_list.level * 5) { |
if (empty_line<1) empty_line++; |
else return; |
} else if (!stolbec) { |
if (empty_line<1) empty_line++; |
else return; |
} else { |
empty_line=0; |
} |
|
onleft = list.x + BODY_MARGIN; |
ontop = draw_y + list.y; |
if (t_html) && (!t_body) return; |
draw_y += list.item_h; |
if (style.blq) stolbec = 6; else stolbec = 0; |
stolbec += style.tag_list.level * 5; |
if (debug_mode) debugln(NULL); |
} |
//============================================================================================ |
void TWebBrowser::DrawPage() |
{ |
PutPaletteImage(list.first * DrawBuf.bufw * 4 + buf_data+8, DrawBuf.bufw, list.h, DrawBuf.bufx, DrawBuf.bufy, 32, 0); |
page_img.draw_all(list.x, list.y, list.w, list.h, list.first); |
DrawScroller(); |
} |