Subversion Repositories Kolibri OS

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

int	downloader_id;

dword

	buf,

	filesize,

	blink;

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

char search_path[]="http://nigma.ru/index.php?s=";

struct lines{

	int visible, all, first, column_max;

};

struct TWebBrowser {

	llist list;

	void GetNewUrl();

	void OpenPage();

	void ReadHtml(byte);

	void ShowPage();

	void ParseHTML(dword);

	void WhatTextStyle(int left1, top1, width1);

	void DrawPage();

	void DrawScroller();

};

TWebBrowser WB1;

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

	link, ignor_text, li_tab, cur_encoding, text_align;

enum { ALIGN_LEFT, ALIGN_CENTER, ALIGN_RIGHT};

dword text_colors[300],

	text_color_index,

	link_color,

	bg_color;

int stroka,

	stolbec,

	tab_len,

	anchor_line_num;

char line[500],

	tag[100],

	tagparam[10000],

	parametr[1200],

	options[4096],

	anchor[256];

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

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

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

#include "..\TWB\some_code.h"

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

#include "..\TWB\draw_buf.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 < lines.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, drawbuf);

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

		IF (i_text) DrawBufSkew(start_x, 0, line_length, list.line_h);

		IF (s_text) DrawBufBar(start_x, 4, line_length, 1, text_colors[text_color_index]);

		IF (u_text) DrawBufBar(start_x, 8, line_length, 1, text_colors[text_color_index]);

		IF (link) {

			UnsafeDefineButton(start_x-2, start_y, line_length + 3, 9, blink + BT_HIDE, 0xB5BFC9);

			DrawBufBar(start_x, 8, line_length, 1, text_colors[text_color_index]);

		}

		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 (!strcmp(get_URL_part(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 (!strcmp(get_URL_part(5),"http:")))

		file_size stdcall (#download_path);

	else

		file_size stdcall (#URL);

	filesize = EBX;

	if (!filesize) return;

	mem_Free(buf);

	buf = mem_Alloc(filesize);

	if (!strcmp(get_URL_part(5),"http:")))

		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::OpenPage()

{

	if (GetProcessSlot(downloader_id)<>0) PutPaletteImage(#toolbar,200,42,0,0,8,#toolbar_pal);

	KillProcess(downloader_id);

	strcpy(#editURL, #URL);

	BrowserHistory.AddUrl();

	strcpy(#header, #version);

	pre_text =0;

	if (!strcmp(get_URL_part(5),"http:")))

	{

		KillProcess(downloader_id); //óáèâàåì ñòàðûé ïðîöåññ

		DeleteFile(#download_path);

		IF (URL[strlen(#URL)-1]=='/') URL[strlen(#URL)-1]=NULL;

		downloader_id = RunProgram("/sys/network/downloader", #URL);

		//Browser Hack v2.0

		/*

		pause(60);

		if (GetProcessSlot(downloader_id)<>0)

		{

			debug("Browser Hack v2.0: Killing downloader and trying to run it one more!");

			KillProcess(downloader_id); //óáèâàåì ñòàðûé ïðîöåññ

			downloader_id = RunProgram("/sys/network/downloader", #URL);

		}

		*/

		IF (downloader_id<0) RunProgram("@notify", "Error running Downloader. Internet unavilable.");

		Draw_Window();

		return;

	}

	lines.first = lines.all =0;

	ReadHtml(_WIN);

	WB1.ShowPage();

}

void TWebBrowser::ShowPage()

{

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

	address_box.offset=0;

	edit_box_draw stdcall(#address_box);

	if (!filesize)

	{

		DrawBar(list.x, list.y, list.w+scroll1.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 (!strcmp(get_URL_part(5),"http:"))) 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];

	if (blink<400) blink=400; else for ( ; blink>400; blink--;) DeleteButton(blink);

	b_text = i_text = u_text = s_text = blq_text =

	li_text = link = ignor_text = text_color_index = text_colors[0] = li_tab = 0; //îáíóëÿåì òåãè

	text_align = ALIGN_LEFT;

	link_color = 0x0000FF;

	bg_color = 0xFFFFFF;

	DrawBufFill();

	strcpy(#page_links,"|");

	strcpy(#header, #version);

	stroka = -lines.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;

		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);

			}

			bukva = GetUnicodeSymbol();

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

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

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

			{

				perenos_num = strrchr(#line, ' ');

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

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

				line[perenos_num] = 0x00;

				if (stroka-1 > lines.visible) && (lines.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();

			line=NULL;

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

			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) > lines.column_max)

			{

			NEXT_MARK:

				perenos_num = strrchr(#line, ' ');

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

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

				line[perenos_num] = 0x00;

				if (stroka-1 > lines.visible) && (lines.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 (lines.visible * 10 + 25 <= list.h)

		DrawBar(list.x, lines.visible * 10 + list.y + 25, list.w, -lines.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 (lines.first == 0) lines.all = stroka;

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

	{

		anchor=NULL;

		lines.first=anchor_line_num;

		ParseHTML(buf);

	}

	DrawScroller();

}

char oldtag[100];

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

	dword hr_color;

	//ïðîâåðÿåì òåã îòêðûâàåòñÿ èëè çàêðûâàåòñÿ

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

	{

		 rez = 0;

		 strcpy(#tag, #tag+1);

	}

	else rez = 1;

	if (!chTag("html"))

	{

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

		return;

	}

	if (!chTag("script")) || (!chTag("style")) || (!chTag("binary")) ignor_text = rez;

	if(!chTag("title"))

	{

		if (rez) header=NULL;

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

		return;

	}

	if (ignor_text) return;

	IF(!chTag("q")) chrcat(#line, '\"');

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

	{

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

	}

	if (!chTag("body"))

	{

		do{

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

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

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

			{

				bg_color=GetColor(#options);

				DrawBufFill();

			}

		} while(GetNextParam());

		return;

	}

	if (!chTag("a"))

	{

		if (rez)

		{

			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 > lines.visible) || (stroka < -2) return;

					text_color_index++;

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

					link = 1;

					blink++;

					text_colors[text_color_index] = link_color;

					strcat(#page_links, #options);

					strcat(#page_links, "|");

				}

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

				{

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

					{

						anchor_line_num=lines.first+stroka;

					}

				}

			} while(GetNextParam());

		}

		else {

			link = 0;

			IF(text_color_index > 0) text_color_index--;

		}

		return;

	}

	if (!chTag("font"))

	{

		if (rez)

		{

			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(!chTag("tr")) || (!chTag("br")) {

		TextGoDown(left1, top1, width1);

		return;

	}

	if (!chTag("div")) {

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

		return;

	}

	if (!chTag("p")) {

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

		TextGoDown(left1, top1, width1);

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

		return;

	}

	if (!chTag("center"))

	{

		if (rez) text_align = ALIGN_CENTER;

		if (!rez)

		{

			TextGoDown(left1, top1, width1);

			text_align = ALIGN_LEFT;

		}

		return;

	}

	if (!chTag("right"))

	{

		if (rez) text_align = ALIGN_RIGHT;

		if (!rez)

		{

			TextGoDown(left1, top1, width1);

			text_align = ALIGN_LEFT;

		}

		return;

	}

	if (!chTag("h1")) || (!chTag("h2")) || (!chTag("h3")) || (!chTag("h4")) {

		TextGoDown(left1, top1, width1);

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

		strcpy(#oldtag, #tag);

		if (rez)

		{

			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 (!rez)

		{

			text_align = ALIGN_LEFT;

			b_text = 0;

		}

		return;

	}

	else

		oldtag=NULL;

	if (!chTag("b")) || (!chTag("strong")) || (!chTag("big")) {

		b_text = rez;

		return;

	}

	if(!chTag("i")) || (!chTag("em")) || (!chTag("subtitle")) {

		i_text = rez;

		return;

	}

	if (!chTag("dt"))

	{

		li_text = rez;

		IF(rez == 0) return;

		TextGoDown(left1, top1, width1);

		return;

	}

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

	{

		li_text = rez;

		if (rez)

		{

			TextGoDown(left1, top1, width1);

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

		}

		return;

	}

	if (!chTag("u")) || (!chTag("ins")) u_text = rez;

	if (!chTag("s")) || (!chTag("strike")) || (!chTag("del")) s_text = rez;

	if (!chTag("ul")) || (!chTag("ol")) IF(!rez)

	{

		li_text = rez;

		li_tab--;

		TextGoDown(left1, top1, width1);

	} ELSE li_tab++;

	if (!chTag("dd")) stolbec += 5;

	if (!chTag("blockquote")) blq_text = rez;

	if (!chTag("pre")) pre_text = rez;

	if (!chTag("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);

		DrawBufBar(5, WB1.list.line_h/2, WB1.list.w-10, 1, hr_color);

		TextGoDown(left1, top1+WB1.list.line_h, width1);

	}

	if (!chTag("img"))

	{

		Images( left1, top1, width1);

		return;

	}

	if (!chTag("meta")) || (!chTag("?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;

	}

}

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

{

	scroll1.max_area = lines.all;

	scroll1.cur_area = lines.visible;

	scroll1.position = lines.first;

	scroll1.all_redraw=1;

	scroll1.start_x = WB1.list.x + WB1.list.w;

	scroll1.size_y=WB1.list.h;

	scrollbar_v_draw(#scroll1);

}