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Rev Author Line No. Line
4411 leency 1
 
5749 leency 2
 
4677 leency 3
enum { ALIGN_LEFT, ALIGN_CENTER, ALIGN_RIGHT};
4416 leency 4
 
5746 leency 5
struct _style {
4416 leency 6
 
5746 leency 7
	b, i, u, s, h,
8
	pre,
5768 leency 9
	blq,
5746 leency 10
	li,
11
	li_tab,
12
	align;
13
};
14
15
struct TWebBrowser {
16
 
4411 leency 17
	_style style;
4540 leency 18
	DrawBufer DrawBuf;
5746 leency 19
	void Prepare();
4475 leency 20
	void SetStyle();
5766 leency 21
	void DrawStyle();
22
	void DrawPage();
23
	void DrawScroller();
4411 leency 24
	void LoadInternalPage();
25
	void NewLine();
5747 leency 26
	void Perenos();
4650 leency 27
	void BufEncode();
4718 leency 28
} WB1;
5749 leency 29
4686 leency 30
4486 leency 31
 
5746 leency 32
 
33
 
34
	ignor_text,
35
	cur_encoding,
36
	t_html,
37
	t_body;
38
39
dword bufpointer;
40
 
5749 leency 41
dword bufsize;
42
43
dword text_colors[300];
4411 leency 44
 
4417 leency 45
dword link_color_inactive;
46
dword link_color_active;
4491 leency 47
dword bg_color;
48
4417 leency 49
int stroka;
4411 leency 50
 
4417 leency 51
int tab_len;
52
int anchor_line_num;
53
54
char URL[10000];
4636 leency 55
 
5746 leency 56
char line[500];
57
char tagparam[10000];
4417 leency 58
char tag[100];
5746 leency 59
char oldtag[100];
4417 leency 60
char attr[1200];
5768 leency 61
char val[4096];
5746 leency 62
char anchor[256]=0;
63
5768 leency 64
#include "..\TWB\history.h"
4411 leency 65
 
4416 leency 66
#include "..\TWB\colors.h"
4686 leency 67
#include "..\TWB\unicode_tags.h"
4411 leency 68
#include "..\TWB\img_cache.h"
69
#include "..\TWB\parce_tag.h"
70
71
72
 
4475 leency 73
 
5747 leency 74
{
5766 leency 75
	int start_x, start_y, line_length, stolbec_len, body_magrin=5;
4411 leency 76
5766 leency 77
	if (!header)
4411 leency 78
 
79
		ChangeCharset("UTF-8", "CP866", #line);
80
		strcpy(#header, #line);
5718 leency 81
		strcat(#header, " -");
4411 leency 82
		strcat(#header, #version);
83
		line = 0;
84
		return;
85
	}
86
	if (t_html) && (!t_body) return;
87
4637 leency 88
	if (line) && (!anchor)
4411 leency 89
 
5766 leency 90
		start_x = stolbec * list.font_w + body_magrin * DrawBuf.zoom + list.x;
4411 leency 91
		start_y = stroka * list.line_h + body_magrin;
5766 leency 92
		stolbec_len = utf8_strlen(#line) * DrawBuf.zoom;
93
		line_length = stolbec_len * list.font_w;
5768 leency 94
95
		if (style.h) stroka++;
4411 leency 96
 
5768 leency 97
		if (style.b) WriteBufText(start_x+1, start_y, list.font_type, text_colors[text_color_index], #line, buf_data);
5766 leency 98
		if (style.i) { stolbec++; DrawBuf.Skew(start_x, start_y, line_length, list.line_h); } // bug with zoom>1
99
		if (style.s) DrawBuf.DrawBar(start_x, list.line_h / 2 - DrawBuf.zoom + start_y, line_length, DrawBuf.zoom, text_colors[text_color_index]);
100
		if (style.u) DrawBuf.DrawBar(start_x, list.line_h - DrawBuf.zoom - DrawBuf.zoom + start_y, line_length, DrawBuf.zoom, text_colors[text_color_index]);
101
		if (link) {
102
			DrawBuf.DrawBar(start_x, list.line_h - DrawBuf.zoom - DrawBuf.zoom + start_y, line_length, DrawBuf.zoom, text_colors[text_color_index]);
5519 leency 103
			PageLinks.AddText(#line, line_length, list.line_h, UNDERLINE);
5766 leency 104
		}
5678 leency 105
		stolbec += stolbec_len;
4411 leency 106
	}
4718 leency 107
}
4411 leency 108
//============================================================================================
109
void TWebBrowser::LoadInternalPage(dword bufpos, in_filesize){
5747 leency 110
	bufsize = in_filesize;
111
	bufpointer = bufpos;
112
	Prepare();
113
}
5766 leency 114
//============================================================================================
5747 leency 115
void TWebBrowser::Prepare(){
116
	word bukva[2];
5766 leency 117
	int j;
4411 leency 118
	byte ignor_param;
4718 leency 119
	char temp[768];
4411 leency 120
	dword bufpos = bufpointer;
121
	int line_len;
4636 leency 122
4726 leency 123
	style.b = style.i = style.u = style.s = style.h = style.blq = t_html = t_body =
4411 leency 124
 
5768 leency 125
	style.align = ALIGN_LEFT;
5749 leency 126
	link_color_inactive = 0x0000FF;
5746 leency 127
	link_color_active = 0xFF0000;
4491 leency 128
	bg_color = 0xFFFFFF;
129
	DrawBuf.Fill(bg_color);
4411 leency 130
	PageLinks.Clear();
4475 leency 131
	strcpy(#header, #version);
4504 leency 132
	stroka = -list.first;
4411 leency 133
	stolbec = 0;
4415 leency 134
	line = 0;
4411 leency 135
136
	//for plaint text use CP866 for other UTF
137
 
5749 leency 138
	{
139
		style.pre = 0;
140
		cur_encoding = CH_CP866;
141
	}
142
	else
143
	{
144
		style.pre = 1;
145
		cur_encoding = CH_UTF8;
146
	}
147
148
	for ( ; (bufpointer+bufsize > bufpos) && (ESBYTE[bufpos]!=0); bufpos++;)
5768 leency 149
 
4718 leency 150
		bukva = ESBYTE[bufpos];
4411 leency 151
		if (ignor_text) && (bukva!='<') continue;
4508 leency 152
		switch (bukva)
4417 leency 153
		{
4411 leency 154
		case 0x0a:
155
			if (style.pre)
156
			{
5746 leency 157
				chrcat(#line, ' ');
4411 leency 158
				bukva = temp = NULL;
4686 leency 159
				Perenos();
4411 leency 160
				break;
4718 leency 161
			}
4726 leency 162
		case '\9':
4411 leency 163
			if (style.pre) //иначе идём на 0x0d
164
			{
5746 leency 165
				tab_len = strlen(#line) % 4;
4411 leency 166
				if (!tab_len) tab_len = 4;
4725 leency 167
				for (j=0; j
168
				break;
4411 leency 169
			}
170
			goto DEFAULT_MARK;
171
172
		case '&': //  and so on
173
 
174
			tag=0;
4508 leency 175
			for (j=0; (ESBYTE[bufpos]<>';') && (j<7);   j++, bufpos++;)
4411 leency 176
			{
4508 leency 177
				bukva = ESBYTE[bufpos];
4411 leency 178
				chrcat(#tag, bukva);
4508 leency 179
			}
4411 leency 180
			if (bukva = GetUnicodeSymbol()) goto DEFAULT_MARK;
181
			break;
4417 leency 182
		case '<':
4411 leency 183
			bufpos++;
184
			if (!strncmp(bufpos,"!--",3))
5749 leency 185
			{
5768 leency 186
				if (!strncmp(bufpos,"-->",3)) || (bufpointer + bufsize <= bufpos) break;
4411 leency 187
				bufpos++;
5768 leency 188
			}
4508 leency 189
			tag = attr = tagparam = ignor_param = NULL;
4411 leency 190
			while (ESBYTE[bufpos] !='>') && (bufpos < bufpointer + bufsize) //получаем тег и его параметры
5768 leency 191
			{
4550 leency 192
				bukva = ESBYTE[bufpos];
4411 leency 193
				if (bukva == '\9') || (bukva == '\x0a') || (bukva == '\x0d') bukva = ' ';
4508 leency 194
				if (!ignor_param) && (bukva <>' ')
4411 leency 195
				{
196
					if (strlen(#tag)
197
				}
4726 leency 198
				else
4411 leency 199
				{
200
					ignor_param = true;
201
					if (!ignor_text) && (strlen(#tagparam)+1
202
				}
203
				bufpos++;
204
			}
4508 leency 205
			strlwr(#tag);
4411 leency 206
207
			if (tag[strlen(#tag)-1]=='/') tag[strlen(#tag)-1]=NULL; //for br/
208
 
209
4726 leency 210
			Perenos();
4411 leency 211
 
5768 leency 212
			line = NULL;
5766 leency 213
			if (tag) SetStyle(WB1.DrawBuf.zoom * 5 + list.x, stroka * list.line_h + list.y + 5); //обработка тегов
4677 leency 214
			strcpy(#oldtag, #tag);
5766 leency 215
			tag = attr = tagparam = ignor_param = NULL;
5768 leency 216
			break;
5746 leency 217
		default:
4411 leency 218
			DEFAULT_MARK:
219
			if (bukva<=15) bukva=' ';
220
			line_len = utf8_strlen(#line);
221
			if (!style.pre) && (bukva == ' ')
5712 leency 222
			{
5746 leency 223
				if (line[line_len-1]==' ') break; //no double spaces
4411 leency 224
				if (!stolbec) && (!line) break; //no paces at the beginning of the line
4726 leency 225
			}
226
			if (line_len < sizeof(line)) chrcat(#line, bukva);
4411 leency 227
			Perenos();
4726 leency 228
		}
5768 leency 229
	}
4411 leency 230
	DrawStyle();
231
	NewLine();
5766 leency 232
	DrawPage();
233
	if (list.first == 0) list.count = stroka;
4692 leency 234
	if (anchor) //если посреди текста появится новый якорь - будет бесконечный цикл
4415 leency 235
	{
4411 leency 236
		anchor=NULL;
237
		list.first=anchor_line_num;
238
		Prepare();
4415 leency 239
	}
5766 leency 240
}
4411 leency 241
//============================================================================================
242
void TWebBrowser::Perenos()
5747 leency 243
{
4718 leency 244
	int perenos_num;
245
	char new_line_text[4096];
246
	if (stolbec + utf8_strlen(#line) < list.column_max) return;
247
	perenos_num = strrchr(#line, ' ');
5768 leency 248
	if (!perenos_num) && (utf8_strlen(#line)>list.column_max) perenos_num=list.column_max;
4718 leency 249
	strcpy(#new_line_text, #line + perenos_num);
5712 leency 250
	line[perenos_num] = 0x00;
4718 leency 251
	DrawStyle();
252
	strcpy(#line, #new_line_text);
5766 leency 253
	NewLine();
4718 leency 254
}
255
//============================================================================================
256
void TWebBrowser::SetStyle(int left1, top1) {
5747 leency 257
	dword hr_color;
5766 leency 258
	byte opened;
4411 leency 259
	byte meta_encoding;
4491 leency 260
	//проверяем тег открывается или закрывается
4636 leency 261
	if (tag[0] == '/')
4411 leency 262
	{
263
		 opened = 0;
264
		 strcpy(#tag, #tag+1);
4491 leency 265
	}
4411 leency 266
	else opened = 1;
267
4491 leency 268
	if (istag("html")) {
5749 leency 269
 
270
		return;
4637 leency 271
	}
4411 leency 272
	if (istag("script")) || (istag("style")) || (istag("binary")) || (istag("select")) { ignor_text = opened; return; }
273
	if (istag("form")) if (!opened) ignor_text = false;
5749 leency 274
	if(istag("title")) {
5746 leency 275
		if (opened) header=NULL;
5749 leency 276
		else if (!stroka) DrawTitle(#header); //тег закрылся - вывели строку
4491 leency 277
		return;
4411 leency 278
	}
279
	if (ignor_text) return;
280
281
	IF(istag("q"))
282
 
5746 leency 283
		if (opened)	strcat(#line, " \"");
4491 leency 284
		if (!opened) strcat(#line, "\" ");
5746 leency 285
		return;
286
	}
5749 leency 287
	if (anchor) && (isattr("id=")) { //очень плохо!!! потому что если не последний тег, работать не будет
4491 leency 288
		if (!strcmp(#anchor, #val))	anchor_line_num=list.first+stroka;
5749 leency 289
	}
5746 leency 290
	if (istag("body")) {
5749 leency 291
		t_body = opened;
292
		do{
4637 leency 293
			if (isattr("link=")) link_color_inactive = GetColor(#val);
4411 leency 294
			if (isattr("alink=")) link_color_active = GetColor(#val);
5746 leency 295
			if (isattr("text=")) text_colors[0]=GetColor(#val);
296
			if (isattr("bgcolor="))
297
			{
298
				bg_color=GetColor(#val);
4411 leency 299
				DrawBuf.Fill(bg_color);
5746 leency 300
			}
4475 leency 301
		} while(GetNextParam());
4411 leency 302
		if (opened) && (cur_encoding==CH_NULL) debugln("Document has no information about encoding, UTF will be used");
303
		return;
5749 leency 304
	}
4411 leency 305
	if (istag("a")) {
306
		if (opened)
5749 leency 307
		{
4491 leency 308
			if (link) IF(text_color_index > 0) text_color_index--; //если предыдущий тег а не был закрыт
4411 leency 309
			do{
310
				if (isattr("href="))
311
				{
5746 leency 312
					text_color_index++;
4411 leency 313
					text_colors[text_color_index] = text_colors[text_color_index-1];
314
					link = 1;
315
					text_colors[text_color_index] = link_color_inactive;
316
					PageLinks.AddLink(#val, DrawBuf.zoom * stolbec * list.font_w + left1, top1-DrawBuf.zoom);
4491 leency 317
				}
5746 leency 318
				if (anchor) && (isattr("name="))
4411 leency 319
				{
5746 leency 320
					if (!strcmp(#anchor, #val))
4411 leency 321
					{
5746 leency 322
						anchor_line_num=list.first+stroka;
4411 leency 323
					}
4415 leency 324
				}
4411 leency 325
			} while(GetNextParam());
326
		}
327
		else {
328
			link = 0;
329
			IF(text_color_index > 0) text_color_index--;
330
		}
331
		return;
332
	}
333
	if (istag("font")) {
334
		if (opened)
5749 leency 335
		{
4491 leency 336
			text_color_index++;
4411 leency 337
			text_colors[text_color_index] = text_colors[text_color_index-1];
338
			do{
339
				if (isattr("color=")) text_colors[text_color_index] = GetColor(#val);
340
			} while(GetNextParam());
5749 leency 341
		}
4411 leency 342
		else if (text_color_index > 0) text_color_index--;
343
		return;
5749 leency 344
	}
4411 leency 345
	if (istag("div")) || (istag("header")) || (istag("article")) || (istag("footer")) {
346
		IF(oldtag[0] != 'h') NewLine();
5746 leency 347
		if (isattr("bgcolor="))
5749 leency 348
		{
5746 leency 349
			bg_color=GetColor(#val);
5493 leency 350
			DrawBuf.Fill(bg_color);
5746 leency 351
		}
5493 leency 352
		return;
353
	}
4411 leency 354
	if (istag("p")) {
355
		IF(oldtag[0] == 'h') return;
5746 leency 356
		NewLine();
4411 leency 357
		IF(opened) NewLine();
4692 leency 358
		return;
359
	}
4411 leency 360
	if (istag("br")) { NewLine(); return; }
361
	if (istag("tr")) { if (opened) { NewLine(); strcat(#line, "| "); } return; }
5749 leency 362
	if (istag("td")) || (istag("th")) { if (!opened) strcat(#line, " | "); return; }
363
	if (istag("b")) || (istag("strong")) || (istag("big")) { style.b = opened; return; }
364
	if (istag("i")) || (istag("em")) || (istag("subtitle")) { style.i=opened; return; }
365
	if (istag("u")) || (istag("ins")) { style.u=opened; return;}
366
	if (istag("s")) || (istag("strike")) || (istag("del")) { style.s=opened; return; }
367
	if (istag("dd")) { stolbec += 5; return; }
368
	if (istag("blockquote")) { style.blq = opened; return; }
369
	if (istag("pre")) || (istag("code")) { style.pre = opened; return; }
370
	if (istag("img")) { ImgCache.Images( left1, top1, WB1.list.w); return; }
371
	if (istag("h1")) || (istag("h2")) || (istag("h3")) || (istag("h4")) || (istag("caption")) {
372
		style.h = opened;
373
		NewLine();
5768 leency 374
		if (opened)
4692 leency 375
		{
4491 leency 376
			WB1.DrawBuf.zoom=2;
4411 leency 377
			WB1.list.SetFont(8, 14, 10111001b);
5768 leency 378
			if (isattr("align=")) && (isval("center")) style.align = ALIGN_CENTER;
379
			if (isattr("align=")) && (isval("right")) style.align = ALIGN_RIGHT;
5746 leency 380
			if (stroka>1) NewLine();
381
		}
5768 leency 382
		else
4411 leency 383
		{
5768 leency 384
			WB1.DrawBuf.zoom=1;
4411 leency 385
			WB1.list.SetFont(8, 14, 10111000b);
5768 leency 386
			style.align = ALIGN_LEFT;
387
		}
5746 leency 388
		return;
4411 leency 389
	}
390
	if (istag("dt")) {
391
		style.li = opened;
5749 leency 392
		if (opened) NewLine();
5746 leency 393
		return;
5749 leency 394
	}
4411 leency 395
	if (istag("li")) || (istag("dt")) //надо сделать вложенные списки
396
	{
5746 leency 397
		style.li = opened;
4411 leency 398
		if (opened)
5746 leency 399
		{
4491 leency 400
			NewLine();
4411 leency 401
			if (stroka > -1) && (stroka - 2 < list.visible)
4692 leency 402
				DrawBuf.DrawBar(style.li_tab * 5 * list.font_w * DrawBuf.zoom + list.x, list.line_h
5678 leency 403
					/ 2 - DrawBuf.zoom - DrawBuf.zoom, DrawBuf.zoom*2, DrawBuf.zoom*2, 0x555555);
5747 leency 404
		}
405
		return;
4411 leency 406
	}
407
	if (istag("ul")) || (istag("ol")) {
408
		if (!opened)
5749 leency 409
		{
410
			style.li = opened;
411
			style.li_tab--;
412
			NewLine();
413
		}
414
		else style.li_tab++;
415
	}
416
	if (istag("hr")) {
417
		if (anchor) || (stroka < -1)
418
		{
4411 leency 419
			stroka+=2;
420
			return;
421
		}
422
		if (strcmp(#attr, "color=") == 0) hr_color = GetColor(#val); else hr_color = 0x999999;
423
		NewLine();
5746 leency 424
		DrawBuf.DrawBar(5, list.line_h/2, list.w-10, 1, hr_color);
4692 leency 425
		NewLine();
4486 leency 426
	}
4692 leency 427
	if (istag("meta")) || (istag("?xml")) {
4411 leency 428
		do{
5749 leency 429
			if (isattr("charset=")) || (isattr("content=")) || (isattr("encoding="))
4411 leency 430
			{
5746 leency 431
				strcpy(#val, #val[strrchr(#val, '=')]); //поиск в content=
4411 leency 432
				strlwr(#val);
5746 leency 433
				if      (isval("utf-8"))        || (isval("utf8"))        meta_encoding = CH_UTF8;
434
				else if (isval("koi8-r"))       || (isval("koi8-u"))      meta_encoding = CH_KOI8;
5749 leency 435
				else if (isval("windows-1251")) || (isval("windows1251")) meta_encoding = CH_CP1251;
5746 leency 436
				else if (isval("iso-8859-5"))   || (isval("iso8859-5"))   meta_encoding = CH_ISO8859_5;
437
				else if (isval("dos"))          || (isval("cp-866"))      meta_encoding = CH_CP866;
438
				if (cur_encoding!=meta_encoding) BufEncode(meta_encoding);
439
				return;
5749 leency 440
			}
4636 leency 441
		} while(GetNextParam());
4411 leency 442
		return;
443
	}
444
}
445
446
void TWebBrowser::BufEncode(int set_new_encoding)
447
 
5749 leency 448
	int bufpointer_realsize;
5704 leency 449
	cur_encoding = set_new_encoding;
450
	if (o_bufpointer==0)
451
	{
452
		o_bufpointer = malloc(bufsize);
453
		strcpy(o_bufpointer, bufpointer);
454
	}
455
	else
456
	{
457
		strcpy(bufpointer, o_bufpointer);
458
	}
459
}
460
//============================================================================================
461
void TWebBrowser::DrawScroller()
5747 leency 462
{
4674 leency 463
	scroll_wv.max_area = list.count;
4411 leency 464
	scroll_wv.cur_area = list.visible;
4416 leency 465
	scroll_wv.position = list.first;
466
467
	scroll_wv.all_redraw = 0;
4411 leency 468
 
5519 leency 469
	scroll_wv.start_y = list.y;
4486 leency 470
4508 leency 471
	scroll_wv.size_y = list.h;
4411 leency 472
 
5678 leency 473
474
	scrollbar_v_draw(#scroll_wv);
5519 leency 475
 
4416 leency 476
//============================================================================================
4411 leency 477
void TWebBrowser::NewLine()
5747 leency 478
{
4692 leency 479
	int onleft, ontop;
4475 leency 480
5678 leency 481
	onleft = list.x + 5;
4692 leency 482
 
483
	if (t_html) && (!t_body) return;
484
	if (stroka * list.line_h + 5 >= 0) && ( stroka + 1 * list.line_h + 5 < list.h) && (!anchor)
4637 leency 485
	{
5678 leency 486
		if (style.align == ALIGN_CENTER) && (DrawBuf.zoom==1) DrawBuf.AlignCenter(onleft,ontop,list.w,list.line_h,stolbec * list.font_w);
4475 leency 487
		if (style.align == ALIGN_RIGHT) && (DrawBuf.zoom==1)  DrawBuf.AlignRight(onleft,ontop,list.w,list.line_h,stolbec * list.font_w);
5746 leency 488
	}
489
	stroka++;
4475 leency 490
	if (style.blq) stolbec = 6; else stolbec = 0;
491
	if (style.li) stolbec = style.li_tab * 5;
5746 leency 492
}
493
//============================================================================================
4488 leency 494
int istag(dword text) { if (!strcmp(#tag,text)) return 1; else return 0; }
5747 leency 495
int isattr(dword text) { if (!strcmp(#attr,text)) return 1; else return 0; }
5746 leency 496
int isval(dword text) { if (!strcmp(#val,text)) return 1; else return 0; }
497
//============================================================================================
498
void TWebBrowser::DrawPage()
5766 leency 499
{
500
	PutPaletteImage(list.first * list.line_h * DrawBuf.bufw * 4 + buf_data+8, DrawBuf.bufw, list.h, DrawBuf.bufx, DrawBuf.bufy, 32, 0);
501
	DrawScroller();
502
}
503
>
504