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#include "..\lib\draw_buf.h"

#include "..\lib\list_box.h"

#include "..\TWB\links.h"

int	downloader_id;

dword buf;

dword filesize;

#define URL param

int	mouse_twb;

edit_box address_box= {250,207,16,0xffffff,0x94AECE,0xffffff,0xffffff,0,sizeof(URL),#editURL,#mouse_twb,2,19,19};

scroll_bar scroll_wv = { 18,200,398, 44,18,0,115,15,0,0xeeeeee,0xD2CED0,0x555555,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1};

char editURL[sizeof(URL)];

char header[2048];

char download_path[]="/rd/1/.download";

struct TWebBrowser {

	llist list; //need #include "..\lib\list_box.h"

	DrawBufer DrawBuf;

	void GetNewUrl();

	void ReadHtml();

	void ShowPage();

	void ParseHTML();

	void WhatTextStyle();

	void DrawPage();

	void DrawScroller();

	void TextGoDown();

};

TWebBrowser WB1;

byte b_text, i_text, u_text, s_text, pre_text, blq_text, li_text, li_tab,

	link, ignor_text, cur_encoding, text_align;

byte condition_text_active, condition_text_val, condition_href, condition_max;

enum { _WIN, _DOS, _KOI, _UTF };

enum { ALIGN_LEFT, ALIGN_CENTER, ALIGN_RIGHT};

dword text_colors[300];

dword text_color_index;

dword link_color_inactive;

dword link_color_active;

dword bg_color;

int stroka;

int stolbec;

int tab_len;

int anchor_line_num;

char line[500];

char tag[100];

char tagparam[10000];

char parametr[1200];

char options[4096];

char anchor[256];

#include "..\TWB\history.h"

#include "..\TWB\colors.h"

#include "..\TWB\unicode_tags.h"

#include "..\TWB\img_cache.h"

#include "..\TWB\parce_tag.h"

//=======================================================================

void TWebBrowser::DrawPage()

{

	int start_x, start_y, line_length, magrin_left=5;

	if (!header)

	{

		strcpy(#header, #line);

		strcat(#header, " -");

		strcat(#header, #version);

		line = 0;

		return;

	}

	if (stroka >= 0) && (stroka - 2 < list.visible) && (line) && (!anchor)

	{

		start_x = stolbec * 6 + list.x + magrin_left;

		start_y = stroka * 10 + list.y + magrin_left;

		line_length = strlen(#line) * 6;

		WriteBufText(start_x, 0, 0x88, text_colors[text_color_index], #line, buf_data);

		IF (b_text)	WriteBufText(start_x+1, 0, 0x88, text_colors[text_color_index], #line, buf_data);

		IF (i_text) { stolbec++; DrawBuf.Skew(start_x, 0, line_length, list.line_h); }

		IF (s_text) DrawBuf.DrawBar(start_x, 4, line_length, 1, text_colors[text_color_index]);

		IF (u_text) DrawBuf.DrawBar(start_x, 8, line_length, 1, text_colors[text_color_index]);

		IF (link) {

			UnsafeDefineButton(start_x-2, start_y, line_length + 3, 9, PageLinks.count + 400 + BT_HIDE, 0xB5BFC9);

			DrawBuf.DrawBar(start_x, 8, line_length, 1, text_colors[text_color_index]);

			PageLinks.AddText(#line, line_length, list.line_h);

		}

		stolbec += strlen(#line);

	}

}

//=======================================================================

char *ABSOLUTE_LINKS[]={ "http:", "mailto:", "ftp:", "/sys/", "/kolibrios/", "/rd/", "/bd", "/hd", "/cd", "/tmp", "/usbhd", 0};

//dword TWebBrowser::GetNewUrl(dword CUR_URL, NEW_URL){

void TWebBrowser::GetNewUrl(){

	int i, len;

	for (i=0; ABSOLUTE_LINKS[i]; i++)

	{

		len=strlen(ABSOLUTE_LINKS[i]);

		if (!strcmpn(#URL, ABSOLUTE_LINKS[i], len)) return;

	}

	IF (!strcmpn(#URL,"./", 2)) strcpy(#URL, #URL+2); //èãíîðèì :)

	strcpy(#editURL, BrowserHistory.CurrentUrl()); //äîñòà¸ì àäðåñ òåêóùåé ñòðàíèöû

	if (URL[0] == '/')

	{

		i = strchr(#editURL+8, '/');

		editURL[i+7]=0;

		strcpy(#URL, #URL+1);

	}

	_CUT_ST_LEVEL_MARK:

		if (editURL[strrchr(#editURL, '/')-2]<>'/')  // åñëè íå http://

		{

			editURL[strrchr(#editURL, '/')] = 0x00; //îáðåçàåì å¸ óðë äî ïîñëåäíåãî /

		}

		IF (!strncmp(#URL,"../",3)) //íà óðîâåíü ââåðõ

		{

			strcpy(#URL,#URL+3);

			editURL[strrchr(#editURL, '/')-1] = 0x00; //îáðåçàåì å¸ óðë äî ïîñëåäíåãî /

			goto _CUT_ST_LEVEL_MARK;

		}

		if (editURL[strlen(#editURL)-1]<>'/') strcat(#editURL, "/");

		strcat(#editURL, #URL); //êëåèì íîâûé àäðåñ

		strcpy(#URL, #editURL);

}

void TWebBrowser::ReadHtml(byte encoding)

{

	if (!strncmp(#URL,"http:",5))

		file_size stdcall (#download_path);

	else

		file_size stdcall (#URL);

	filesize = EBX;

	if (!filesize) return;

	mem_Free(buf);

	buf = mem_Alloc(filesize);

	if (!strncmp(#URL,"http:",5))

		ReadFile(0, filesize, buf, #download_path);

	else

		ReadFile(0, filesize, buf, #URL);

	cur_encoding = encoding;

	if (encoding==_WIN) wintodos(buf);

	if (encoding==_UTF) utf8rutodos(buf);

	if (encoding==_KOI) koitodos(buf);

}

void TWebBrowser::ShowPage()

{

	address_box.size = address_box.pos = strlen(#editURL);

	address_box.offset=0;

	edit_box_draw stdcall(#address_box);

	PageLinks.Clear();

	if (!filesize)

	{

		DrawBar(list.x, list.y, list.w+scroll_wv.size_x+1, list.h, 0xFFFFFF); //fill all

		if (GetProcessSlot(downloader_id)<>0) WriteText(list.x + 10, list.y + 18, 0x80, 0, "Loading...");

		else

		{

			WriteText(list.x + 10, list.y + 18, 0x80, 0, "Page not found. May be, URL contains some errors.");

			if (!strncmp(#URL,"http:",5)) WriteText(list.x + 10, list.y + 32, 0x80, 0, "Or Internet unavilable for your configuration.");

		}

		//return;

	}

	else

		ParseHTML(buf);

	if (!header) strcpy(#header, #version);

	if (!strcmp(#version, #header)) DrawTitle(#header);

}

void TWebBrowser::ParseHTML(dword bword){

	word bukva[2];

	int j, perenos_num;

	byte ignor_param;

	char temp[768];

	b_text = i_text = u_text = s_text = blq_text =

	li_text = link = ignor_text = text_color_index = text_colors[0] = li_tab =

	condition_text_val = condition_text_active = 0; //îáíóëÿåì òåãè

	condition_max = 255;

	text_align = ALIGN_LEFT;

	link_color_inactive = 0x0000FF;

	link_color_active = 0xFF0000;

	bg_color = 0xFFFFFF;

	DrawBuf.Fill(bg_color);

	strcpy(#header, #version);

	stroka = -list.first;

	stolbec = 0;

	line = 0;

	if (pre_text<>2)

	{

		pre_text=0;

		if (!strcmp(#URL + strlen(#URL) - 4, ".txt")) pre_text = 1;

		if (!strcmp(#URL + strlen(#URL) - 4, ".mht")) ignor_text = 1;

	}

	for ( ; buf+filesize > bword; bword++;)

	{

		bukva = ESBYTE[bword];

		if (ignor_text) && (bukva!='<') continue;

		if (condition_text_active) && (condition_text_val != condition_href) && (bukva!='<') continue;

		switch (bukva)

		{

		case 0x0a:

			if (pre_text)

			{

				bukva = temp = NULL;

				goto NEXT_MARK;

			}

		case '\9':

			if (pre_text) //èíà÷å èä¸ì íà 0x0d

			{

				tab_len=strlen(#line)/8;

				tab_len=tab_len*8;

				tab_len=8+tab_len-strlen(#line);

				for (j=0; j

				break;

			}

			goto DEFAULT_MARK;

		case '=': //quoted printable

			if (strcmp(#URL + strlen(#URL) - 4, ".mht")<>0) goto DEFAULT_MARK;

			temp[0] = ESBYTE[bword+1];

			temp[1] = ESBYTE[bword+2];

			temp[2] = '\0';

			if (bukva = Hex2Symb(#temp))

			{

				bword+=2;

				goto DEFAULT_MARK;

			}

			break;

		case '&': //  and so on

			bword++;

			tag=0;

			for (j=0; (ESBYTE[bword]<>';') && (j<7);   j++, bword++;)

			{

				bukva = ESBYTE[bword];

				chrcat(#tag, bukva);

			}

			if (bukva = GetUnicodeSymbol()) goto DEFAULT_MARK;

			break;

		case '<':

			bword++; //ïðîìîòàåì ñèìâîë <

			tag = parametr = tagparam = ignor_param = NULL;

			if (ESBYTE[bword] == '!') //ôèëüòðàöèÿ âíóòðè , äåðçêî

			{

				bword++;

				if (ESBYTE[bword] == '-')

				{

				HH_:

					do

					{

						bword++;

						if (buf + filesize <= bword) break 2;

					}

					while (ESBYTE[bword] <>'-');

					bword++;

					if (ESBYTE[bword] <>'-') goto HH_;

				}

			}

			while (ESBYTE[bword] !='>') && (bword < buf + filesize) //ïîëó÷àåì òåã è åãî ïàðàìåòðû

			{

				bukva = ESBYTE[bword];

				if (bukva == '\9') || (bukva == '\x0a') || (bukva == '\x0d') bukva = ' ';

				if (!ignor_param) && (bukva <>' ')

				{

					if (strlen(#tag)

				}

				else

				{

					ignor_param = true;

					if (!ignor_text) && (strlen(#tagparam)+1

				}

				bword++;

			}

			strlwr(#tag);

			strlwr(#tagparam);

			if (condition_text_active) && (condition_text_val != condition_href)

			{

				if (strcmp(#tag, "/condition")!=0) break;

			}

			if (tag[strlen(#tag)-1]=='/') tag[strlen(#tag)-1]=NULL; //for br/

			if (tagparam) && (strlen(#tagparam) < 4000) GetNextParam();

			if (stolbec + strlen(#line) > list.column_max) //============the same as NEXT_MARK

			{

				perenos_num = strrchr(#line, ' ');

				if (!perenos_num) && (strlen(#line)>list.column_max) perenos_num=list.column_max;

				strcpy(#temp, #line + perenos_num); //ïåðåíîñ ïî ñëîâàì

				line[perenos_num] = 0x00;

				if (stroka-1 > list.visible) && (list.first <>0) break 1; //óõîäèì...

				DrawPage();

				strcpy(#line, #temp);

				TextGoDown(list.x + 5, stroka * 10 + list.y + 5, list.w - 20); //çàêðàøèâàåì ñëåäóùóþ ñòðîêó

			}

			DrawPage();

			if (tag) WhatTextStyle(list.x + 5, stroka * 10 + list.y + 5, list.w - 20); //îáðàáîòêà òåãîâ

			line=NULL;

			tag = parametr = tagparam = ignor_param = NULL;

			break;

		default:

			DEFAULT_MARK:

			if (bukva<=15) bukva=' ';

			if (!pre_text) && (bukva == ' ')

			{

				if (line[strlen(#line)-1]==' ') break; //óáðàòü 2 ïðîáåëà ïîäðÿä

				if (!stolbec) && (!line) break; //ñòðîêà íå ìîæåò íà÷èíàòüñÿ ñ ïðîáåëà

			}

			if (strlen(#line)

			if (stolbec + strlen(#line) > list.column_max)

			{

			NEXT_MARK:

				perenos_num = strrchr(#line, ' ');

				if (!perenos_num) && (strlen(#line)>list.column_max) perenos_num=list.column_max;

				strcpy(#temp, #line + perenos_num); //ïåðåíîñ ïî ñëîâàì

				line[perenos_num] = 0x00;

				if (stroka-1 > list.visible) && (list.first <>0) break 1; //óõîäèì...

				DrawPage();

				strcpy(#line, #temp);

				TextGoDown(list.x + 5, stroka * 10 + list.y + 5, list.w - 20); //çàêðàøèâàåì ñëåäóùóþ ñòðîêó

			}

		}

	}

	DrawPage(); //ðèñóåò ïîñëåäíþþ ñòðîêó, ïîòîì ýòî íàäî óáðàòü, îïòèìèçèðîâàâ êîä

	TextGoDown(list.x + 5, stroka * 10 + list.y + 5, list.w - 20); //çàêðàøèâàåì ñëåäóùóþ ñòðîêó

	if (list.visible * 10 + 25 <= list.h)

		DrawBar(list.x, list.visible * 10 + list.y + 25, list.w, -list.visible * 10 + list.h - 25, bg_color);

	if (stroka * 10 + 5 <= list.h)

		DrawBar(list.x, stroka * 10 + list.y + 5, list.w, -stroka * 10 + list.h - 5, bg_color); //çàêðàøèâàåì âñ¸ äî êîíöà

	if (list.first == 0) list.count = stroka;

	if (anchor) //åñëè ïîñðåäè òåêñòà ïîÿâèòñÿ íîâûé ÿêîðü - áóäåò áåñêîíå÷íûé öèêë

	{

		anchor=NULL;

		list.first=anchor_line_num;

		ParseHTML(buf);

	}

	DrawScroller();

}

char oldtag[100];

void TWebBrowser::WhatTextStyle(int left1, top1, width1) {

	dword hr_color;

	byte opened;

	//ïðîâåðÿåì òåã îòêðûâàåòñÿ èëè çàêðûâàåòñÿ

	if (tag[0] == '/')

	{

		 opened = 0;

		 strcpy(#tag, #tag+1);

	}

	else opened = 1;

	if (isTag("html"))

	{

		IF(!strcmp(#URL + strlen(#URL) - 4, ".mht")) IF (opened==0) ignor_text = 1; ELSE ignor_text = 0;

		return;

	}

	if (isTag("script")) || (isTag("style")) || (isTag("binary")) ignor_text = opened;

	if(isTag("title"))

	{

		if (opened) header=NULL;

		else if (!stroka) DrawTitle(#header); //òåã çàêðûëñÿ - âûâåëè ñòðîêó

		return;

	}

	if (ignor_text) return;

	IF(isTag("q"))

	{

		if (opened)

		{

			TextGoDown(left1, top1, width1);

			strcat(#line, ' \"');

		}

		if (!opened)

		{

			chrcat(#line, '\"');

			TextGoDown(left1, top1, width1);

		}

	}

	if (anchor) && (!strcmp(#parametr, "id=")) //î÷åíü ïëîõî!!! ïîòîìó ÷òî åñëè íå ïîñëåäíèé òåã, ðàáîòàòü íå áóäåò

	{

		if (!strcmp(#anchor, #options))	anchor_line_num=list.first+stroka;

	}

	if (isTag("body"))

	{

		do{

			if (!strcmp(#parametr, "condition_max=")) condition_max = atoi(#options);

			if (!strcmp(#parametr, "link=")) link_color_inactive = GetColor(#options);

			if (!strcmp(#parametr, "alink=")) link_color_active = GetColor(#options);

			if (!strcmp(#parametr, "text=")) text_colors[0]=GetColor(#options);

			if (!strcmp(#parametr, "bgcolor="))

			{

				bg_color=GetColor(#options);

				DrawBuf.Fill(bg_color);

			}

		} while(GetNextParam());

		return;

	}

	if (isTag("a"))

	{

		if (opened)

		{

			if (link) IF(text_color_index > 0) text_color_index--; //åñëè ïðåäûäóùèé òåã à íå áûë çàêðûò

			do{

				if (!strcmp(#parametr, "href="))

				{

					if (stroka - 1 > list.visible) || (stroka < -2) return;

					text_color_index++;

					text_colors[text_color_index] = text_colors[text_color_index-1];

					link = 1;

					text_colors[text_color_index] = link_color_inactive;

					PageLinks.AddLink(#options, stolbec*6+left1, top1);

				}

				if (anchor) && (!strcmp(#parametr, "name="))

				{

					if (!strcmp(#anchor, #options))

					{

						anchor_line_num=list.first+stroka;

					}

				}

			} while(GetNextParam());

		}

		else {

			link = 0;

			IF(text_color_index > 0) text_color_index--;

		}

		return;

	}

	if (isTag("font"))

	{

		if (opened)

		{

			text_color_index++;

			text_colors[text_color_index] = text_colors[text_color_index-1];

			do{

				if (strcmp(#parametr, "color=") == 0) //&& (parametr[1] == '#')

				{

					text_colors[text_color_index] = GetColor(#options);

				}

			} while(GetNextParam());

		}

		else

			if (text_color_index > 0) text_color_index--;

		return;

	}

	if(isTag("tr")) || (isTag("br")) {

		TextGoDown(left1, top1, width1);

		return;

	}

	if (isTag("div")) {

		IF(oldtag[0] <>'h') TextGoDown(left1, top1, width1);

		return;

	}

	if (isTag("p")) {

		IF(oldtag[0] == 'h') return;

		TextGoDown(left1, top1, width1);

		IF(opened) TextGoDown(left1, top1 + 10, width1);

		return;

	}

	/*

	if (isTag("center"))

	{

		if (opened) text_align = ALIGN_CENTER;

		if (!opened)

		{

			TextGoDown(left1, top1, width1);

			text_align = ALIGN_LEFT;

		}

		return;

	}

	if (isTag("right"))

	{

		if (opened) text_align = ALIGN_RIGHT;

		if (!opened)

		{

			TextGoDown(left1, top1, width1);

			text_align = ALIGN_LEFT;

		}

		return;

	}

	*/

	if (isTag("h1")) || (isTag("h2")) || (isTag("h3")) || (isTag("h4")) {

		TextGoDown(left1, top1, width1);

		if (opened) && (stroka>1) TextGoDown(left1, top1 + 10, width1);

		strcpy(#oldtag, #tag);

		if (opened)

		{

			if (!strcmp(#parametr, "align=")) && (!strcmp(#options,"center")) text_align = ALIGN_CENTER;

			if (!strcmp(#parametr, "align=")) && (!strcmp(#options,"right")) text_align = ALIGN_RIGHT;

			b_text = 1;

		}

		if (!opened)

		{

			text_align = ALIGN_LEFT;

			b_text = 0;

		}

		return;

	}

	else

		oldtag=NULL;

	if (isTag("b")) || (isTag("strong")) || (isTag("big")) {

		b_text = opened;

		return;

	}

	if(isTag("i")) || (isTag("em")) || (isTag("subtitle")) {

		i_text = opened;

		return;

	}

	if (isTag("dt"))

	{

		li_text = opened;

		IF(opened == 0) return;

		TextGoDown(left1, top1, width1);

		return;

	}

	if (isTag("condition"))

	{

		condition_text_active = opened;

		if (opened) && (!strcmp(#parametr, "show_if=")) condition_text_val = atoi(#options);

		return;

	}

	if (isTag("li")) || (isTag("dt")) //íàäî ñäåëàòü âëîæåííûå ñïèñêè

	{

		li_text = opened;

		if (opened)

		{

			TextGoDown(left1, top1, width1);

			if (stroka > -1) && (stroka - 2 < list.visible) DrawBuf.DrawBar(li_tab * 5 * 6 + left1 - 5, list.line_h/2-3, 2, 2, 0x555555);

		}

		return;

	}

	if (isTag("u")) || (isTag("ins")) u_text = opened;

	if (isTag("s")) || (isTag("strike")) || (isTag("del")) s_text = opened;

	if (isTag("ul")) || (isTag("ol")) IF(!opened)

	{

		li_text = opened;

		li_tab--;

		TextGoDown(left1, top1, width1);

	} ELSE li_tab++;

	if (isTag("dd")) stolbec += 5;

	if (isTag("blockquote")) blq_text = opened;

	if (isTag("pre")) pre_text = opened;

	if (isTag("hr"))

	{

		if (anchor) || (stroka < -1)

		{

			stroka+=2;

			return;

		}

		if (strcmp(#parametr, "color=") == 0) hr_color = GetColor(#options); else hr_color = 0x999999;

		TextGoDown(left1, top1, width1);

		DrawBuf.DrawBar(5, list.line_h/2, list.w-10, 1, hr_color);

		TextGoDown(left1, top1+list.line_h, width1);

	}

	if (isTag("img"))

	{

		ImgCache.Images( left1, top1, width1);

		return;

	}

	if (isTag("meta")) || (isTag("?xml"))

	{

		do{

			if (!strcmp(#parametr, "charset=")) || (!strcmp(#parametr, "content=")) || (!strcmp(#parametr, "encoding="))

			{

				strcpy(#options, #options[strrchr(#options, '=')]); //ïîèñê â content=

				if (!strcmp(#options, "utf-8"))  || (!strcmp(#options,"utf8"))      ReadHtml(_UTF);

				if (!strcmp(#options, "koi8-r")) || (!strcmp(#options, "koi8-u"))   ReadHtml(_KOI);

				if (!strcmp(#options, "dos"))    || (!strcmp(#options, "cp-866"))   ReadHtml(_DOS);

			}

		} while(GetNextParam());

		return;

	}

}

/*

char *encodings = {

	"utf-8",  _UTF,

	"utf8",   _UTF,

	"koi8-r", _KOI,

	"koi8-u", _KOI,

	"dos",    _DOS,

	"cp-866", _DOS

};

*/

void TWebBrowser::DrawScroller() //íå îïòèìàëüíàÿ îòðèñîâêà, íî çàòî â îäíîì ìåñòå

{

	scroll_wv.max_area = list.count;

	scroll_wv.cur_area = list.visible;

	scroll_wv.position = list.first;

	scroll_wv.all_redraw=1;

	scroll_wv.start_x = list.x + list.w;

	scroll_wv.size_y=list.h;

	scrollbar_v_draw(#scroll_wv);

}

void TWebBrowser::TextGoDown(int left1, top1, width1)

{

	if (!stroka) DrawBar(list.x, list.y, list.w, 5, bg_color); //çàêðàøèâàåì ôîí íàä ïåðâîé ñòðîêîé

	if (top1>=list.y) && ( top1 < list.h+list.y-10)  && (!anchor)

	{

		if (text_align == ALIGN_CENTER) DrawBuf.AlignCenter(left1,top1,list.w,list.line_h,stolbec * 6);

		if (text_align == ALIGN_RIGHT) DrawBuf.AlignRight(left1,top1,list.w,list.line_h,stolbec * 6);

		PutPaletteImage(buf_data+8, list.w, list.line_h, left1-5, top1, 32,0);

		DrawBuf.Fill(bg_color);

	}

	stroka++;

	if (blq_text) stolbec = 8; else stolbec = 0;

	if (li_text) stolbec = li_tab * 5;

}

int isTag(dword text)

{

	if (!strcmp(#tag,text)) return 1; else return 0;

}