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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
			UnsafeDefineButton(start_x-2, start_y-1 + list.y, line_length + 3, DrawBuf.zoom * list.font_h, PageLinks.count + 400 + BT_HIDE, 0xB5BFC9);
5766 leency 104
			PageLinks.AddText(#line, line_length, list.line_h, UNDERLINE);
105
		}
5678 leency 106
		stolbec += stolbec_len;
4411 leency 107
	}
4718 leency 108
}
4411 leency 109
//============================================================================================
110
void TWebBrowser::LoadInternalPage(dword bufpos, in_filesize){
5747 leency 111
	bufsize = in_filesize;
112
	bufpointer = bufpos;
113
	Prepare();
114
}
5766 leency 115
//============================================================================================
5747 leency 116
void TWebBrowser::Prepare(){
117
	word bukva[2];
5766 leency 118
	int j;
4411 leency 119
	byte ignor_param;
4718 leency 120
	char temp[768];
4411 leency 121
	dword bufpos = bufpointer;
122
	int line_len;
4636 leency 123
4726 leency 124
	style.b = style.i = style.u = style.s = style.h = style.blq = t_html = t_body =
4411 leency 125
 
5768 leency 126
	style.align = ALIGN_LEFT;
5749 leency 127
	link_color_inactive = 0x0000FF;
5746 leency 128
	link_color_active = 0xFF0000;
4491 leency 129
	bg_color = 0xFFFFFF;
130
	DrawBuf.Fill(bg_color);
4411 leency 131
	PageLinks.Clear();
4475 leency 132
	strcpy(#header, #version);
4504 leency 133
	stroka = -list.first;
4411 leency 134
	stolbec = 0;
4415 leency 135
	line = 0;
4411 leency 136
137
	//for plaint text use CP866 for other UTF
138
 
5749 leency 139
	{
140
		style.pre = 0;
141
		cur_encoding = CH_CP866;
142
	}
143
	else
144
	{
145
		style.pre = 1;
146
		cur_encoding = CH_UTF8;
147
	}
148
149
	for ( ; (bufpointer+bufsize > bufpos) && (ESBYTE[bufpos]!=0); bufpos++;)
5768 leency 150
 
4718 leency 151
		bukva = ESBYTE[bufpos];
4411 leency 152
		if (ignor_text) && (bukva!='<') continue;
4508 leency 153
		switch (bukva)
4417 leency 154
		{
4411 leency 155
		case 0x0a:
156
			if (style.pre)
157
			{
5746 leency 158
				chrcat(#line, ' ');
4411 leency 159
				bukva = temp = NULL;
4686 leency 160
				Perenos();
4411 leency 161
				break;
4718 leency 162
			}
4726 leency 163
		case '\9':
4411 leency 164
			if (style.pre) //иначе идём на 0x0d
165
			{
5746 leency 166
				tab_len = strlen(#line) % 4;
4411 leency 167
				if (!tab_len) tab_len = 4;
4725 leency 168
				for (j=0; j
169
				break;
4411 leency 170
			}
171
			goto DEFAULT_MARK;
172
173
		case '&': //  and so on
174
 
175
			tag=0;
4508 leency 176
			for (j=0; (ESBYTE[bufpos]<>';') && (j<7);   j++, bufpos++;)
4411 leency 177
			{
4508 leency 178
				bukva = ESBYTE[bufpos];
4411 leency 179
				chrcat(#tag, bukva);
4508 leency 180
			}
4411 leency 181
			if (bukva = GetUnicodeSymbol()) goto DEFAULT_MARK;
182
			break;
4417 leency 183
		case '<':
4411 leency 184
			bufpos++;
185
			if (!strncmp(bufpos,"!--",3))
5749 leency 186
			{
5768 leency 187
				if (!strncmp(bufpos,"-->",3)) || (bufpointer + bufsize <= bufpos) break;
4411 leency 188
				bufpos++;
5768 leency 189
			}
4508 leency 190
			tag = attr = tagparam = ignor_param = NULL;
4411 leency 191
			while (ESBYTE[bufpos] !='>') && (bufpos < bufpointer + bufsize) //получаем тег и его параметры
5768 leency 192
			{
4550 leency 193
				bukva = ESBYTE[bufpos];
4411 leency 194
				if (bukva == '\9') || (bukva == '\x0a') || (bukva == '\x0d') bukva = ' ';
4508 leency 195
				if (!ignor_param) && (bukva <>' ')
4411 leency 196
				{
197
					if (strlen(#tag)
198
				}
4726 leency 199
				else
4411 leency 200
				{
201
					ignor_param = true;
202
					if (!ignor_text) && (strlen(#tagparam)+1
203
				}
204
				bufpos++;
205
			}
4508 leency 206
			strlwr(#tag);
4411 leency 207
208
			if (tag[strlen(#tag)-1]=='/') tag[strlen(#tag)-1]=NULL; //for br/
209
 
210
4726 leency 211
			Perenos();
4411 leency 212
 
5768 leency 213
			line = NULL;
5766 leency 214
			if (tag) SetStyle(WB1.DrawBuf.zoom * 5 + list.x, stroka * list.line_h + list.y + 5); //обработка тегов
4677 leency 215
			strcpy(#oldtag, #tag);
5766 leency 216
			tag = attr = tagparam = ignor_param = NULL;
5768 leency 217
			break;
5746 leency 218
		default:
4411 leency 219
			DEFAULT_MARK:
220
			if (bukva<=15) bukva=' ';
221
			line_len = utf8_strlen(#line);
222
			if (!style.pre) && (bukva == ' ')
5712 leency 223
			{
5746 leency 224
				if (line[line_len-1]==' ') break; //no double spaces
4411 leency 225
				if (!stolbec) && (!line) break; //no paces at the beginning of the line
4726 leency 226
			}
227
			if (line_len < sizeof(line)) chrcat(#line, bukva);
4411 leency 228
			Perenos();
4726 leency 229
		}
5768 leency 230
	}
4411 leency 231
	DrawStyle();
232
	NewLine();
5766 leency 233
	DrawPage();
234
	if (list.first == 0) list.count = stroka;
4692 leency 235
	if (anchor) //если посреди текста появится новый якорь - будет бесконечный цикл
4415 leency 236
	{
4411 leency 237
		anchor=NULL;
238
		list.first=anchor_line_num;
239
		Prepare();
4415 leency 240
	}
5766 leency 241
}
4411 leency 242
//============================================================================================
243
void TWebBrowser::Perenos()
5747 leency 244
{
4718 leency 245
	int perenos_num;
246
	char new_line_text[4096];
247
	if (stolbec + utf8_strlen(#line) < list.column_max) return;
248
	perenos_num = strrchr(#line, ' ');
5768 leency 249
	if (!perenos_num) && (utf8_strlen(#line)>list.column_max) perenos_num=list.column_max;
4718 leency 250
	strcpy(#new_line_text, #line + perenos_num);
5712 leency 251
	line[perenos_num] = 0x00;
4718 leency 252
	DrawStyle();
253
	strcpy(#line, #new_line_text);
5766 leency 254
	NewLine();
4718 leency 255
}
256
//============================================================================================
257
void TWebBrowser::SetStyle(int left1, top1) {
5747 leency 258
	dword hr_color;
5766 leency 259
	byte opened;
4411 leency 260
	byte meta_encoding;
4491 leency 261
	//проверяем тег открывается или закрывается
4636 leency 262
	if (tag[0] == '/')
4411 leency 263
	{
264
		 opened = 0;
265
		 strcpy(#tag, #tag+1);
4491 leency 266
	}
4411 leency 267
	else opened = 1;
268
4491 leency 269
	if (istag("html")) {
5749 leency 270
 
271
		return;
4637 leency 272
	}
4411 leency 273
	if (istag("script")) || (istag("style")) || (istag("binary")) || (istag("select")) { ignor_text = opened; return; }
274
	if (istag("form")) if (!opened) ignor_text = false;
5749 leency 275
	if(istag("title")) {
5746 leency 276
		if (opened) header=NULL;
5749 leency 277
		else if (!stroka) DrawTitle(#header); //тег закрылся - вывели строку
4491 leency 278
		return;
4411 leency 279
	}
280
	if (ignor_text) return;
281
282
	IF(istag("q"))
283
 
5746 leency 284
		if (opened)	strcat(#line, " \"");
4491 leency 285
		if (!opened) strcat(#line, "\" ");
5746 leency 286
		return;
287
	}
5749 leency 288
	if (anchor) && (isattr("id=")) { //очень плохо!!! потому что если не последний тег, работать не будет
4491 leency 289
		if (!strcmp(#anchor, #val))	anchor_line_num=list.first+stroka;
5749 leency 290
	}
5746 leency 291
	if (istag("body")) {
5749 leency 292
		t_body = opened;
293
		do{
4637 leency 294
			if (isattr("link=")) link_color_inactive = GetColor(#val);
4411 leency 295
			if (isattr("alink=")) link_color_active = GetColor(#val);
5746 leency 296
			if (isattr("text=")) text_colors[0]=GetColor(#val);
297
			if (isattr("bgcolor="))
298
			{
299
				bg_color=GetColor(#val);
4411 leency 300
				DrawBuf.Fill(bg_color);
5746 leency 301
			}
4475 leency 302
		} while(GetNextParam());
4411 leency 303
		if (opened) && (cur_encoding==CH_NULL) debugln("Document has no information about encoding, UTF will be used");
304
		return;
5749 leency 305
	}
4411 leency 306
	if (istag("a")) {
307
		if (opened)
5749 leency 308
		{
4491 leency 309
			if (link) IF(text_color_index > 0) text_color_index--; //если предыдущий тег а не был закрыт
4411 leency 310
			do{
311
				if (isattr("href="))
312
				{
5746 leency 313
					if (stroka - 1 > list.visible) || (stroka < -2) return;
4411 leency 314
					text_color_index++;
4415 leency 315
					text_colors[text_color_index] = text_colors[text_color_index-1];
4411 leency 316
					link = 1;
317
					text_colors[text_color_index] = link_color_inactive;
318
					PageLinks.AddLink(#val, DrawBuf.zoom * stolbec * list.font_w + left1, top1-DrawBuf.zoom);
4491 leency 319
				}
5746 leency 320
				if (anchor) && (isattr("name="))
4411 leency 321
				{
5746 leency 322
					if (!strcmp(#anchor, #val))
4411 leency 323
					{
5746 leency 324
						anchor_line_num=list.first+stroka;
4411 leency 325
					}
4415 leency 326
				}
4411 leency 327
			} while(GetNextParam());
328
		}
329
		else {
330
			link = 0;
331
			IF(text_color_index > 0) text_color_index--;
332
		}
333
		return;
334
	}
335
	if (istag("font")) {
336
		if (opened)
5749 leency 337
		{
4491 leency 338
			text_color_index++;
4411 leency 339
			text_colors[text_color_index] = text_colors[text_color_index-1];
340
			do{
341
				if (isattr("color=")) text_colors[text_color_index] = GetColor(#val);
342
			} while(GetNextParam());
5749 leency 343
		}
4411 leency 344
		else if (text_color_index > 0) text_color_index--;
345
		return;
5749 leency 346
	}
4411 leency 347
	if (istag("div")) || (istag("header")) || (istag("article")) || (istag("footer")) {
348
		IF(oldtag[0] != 'h') NewLine();
5746 leency 349
		if (isattr("bgcolor="))
5749 leency 350
		{
5746 leency 351
			bg_color=GetColor(#val);
5493 leency 352
			DrawBuf.Fill(bg_color);
5746 leency 353
		}
5493 leency 354
		return;
355
	}
4411 leency 356
	if (istag("p")) {
357
		IF(oldtag[0] == 'h') return;
5746 leency 358
		NewLine();
4411 leency 359
		IF(opened) NewLine();
4692 leency 360
		return;
361
	}
4411 leency 362
	if (istag("br")) { NewLine(); return; }
363
	if (istag("tr")) { if (opened) { NewLine(); strcat(#line, "| "); } return; }
5749 leency 364
	if (istag("td")) || (istag("th")) { if (!opened) strcat(#line, " | "); return; }
365
	if (istag("b")) || (istag("strong")) || (istag("big")) { style.b = opened; return; }
366
	if (istag("i")) || (istag("em")) || (istag("subtitle")) { style.i=opened; return; }
367
	if (istag("u")) || (istag("ins")) { style.u=opened; return;}
368
	if (istag("s")) || (istag("strike")) || (istag("del")) { style.s=opened; return; }
369
	if (istag("dd")) { stolbec += 5; return; }
370
	if (istag("blockquote")) { style.blq = opened; return; }
371
	if (istag("pre")) || (istag("code")) { style.pre = opened; return; }
372
	if (istag("img")) { ImgCache.Images( left1, top1, WB1.list.w); return; }
373
	if (istag("h1")) || (istag("h2")) || (istag("h3")) || (istag("h4")) || (istag("caption")) {
374
		style.h = opened;
375
		NewLine();
5768 leency 376
		if (opened)
4692 leency 377
		{
4491 leency 378
			WB1.DrawBuf.zoom=2;
4411 leency 379
			WB1.list.SetFont(8, 14, 10111001b);
5768 leency 380
			if (isattr("align=")) && (isval("center")) style.align = ALIGN_CENTER;
381
			if (isattr("align=")) && (isval("right")) style.align = ALIGN_RIGHT;
5746 leency 382
			if (stroka>1) NewLine();
383
		}
5768 leency 384
		else
4411 leency 385
		{
5768 leency 386
			WB1.DrawBuf.zoom=1;
4411 leency 387
			WB1.list.SetFont(8, 14, 10111000b);
5768 leency 388
			style.align = ALIGN_LEFT;
389
		}
5746 leency 390
		return;
4411 leency 391
	}
392
	if (istag("dt")) {
393
		style.li = opened;
5749 leency 394
		if (opened) NewLine();
5746 leency 395
		return;
5749 leency 396
	}
4411 leency 397
	if (istag("li")) || (istag("dt")) //надо сделать вложенные списки
398
	{
5746 leency 399
		style.li = opened;
4411 leency 400
		if (opened)
5746 leency 401
		{
4491 leency 402
			NewLine();
4411 leency 403
			if (stroka > -1) && (stroka - 2 < list.visible)
4692 leency 404
				DrawBuf.DrawBar(style.li_tab * 5 * list.font_w * DrawBuf.zoom + list.x, list.line_h
5678 leency 405
					/ 2 - DrawBuf.zoom - DrawBuf.zoom, DrawBuf.zoom*2, DrawBuf.zoom*2, 0x555555);
5747 leency 406
		}
407
		return;
4411 leency 408
	}
409
	if (istag("ul")) || (istag("ol")) {
410
		if (!opened)
5749 leency 411
		{
412
			style.li = opened;
413
			style.li_tab--;
414
			NewLine();
415
		}
416
		else style.li_tab++;
417
	}
418
	if (istag("hr")) {
419
		if (anchor) || (stroka < -1)
420
		{
4411 leency 421
			stroka+=2;
422
			return;
423
		}
424
		if (strcmp(#attr, "color=") == 0) hr_color = GetColor(#val); else hr_color = 0x999999;
425
		NewLine();
5746 leency 426
		DrawBuf.DrawBar(5, list.line_h/2, list.w-10, 1, hr_color);
4692 leency 427
		NewLine();
4486 leency 428
	}
4692 leency 429
	if (istag("meta")) || (istag("?xml")) {
4411 leency 430
		do{
5749 leency 431
			if (isattr("charset=")) || (isattr("content=")) || (isattr("encoding="))
4411 leency 432
			{
5746 leency 433
				strcpy(#val, #val[strrchr(#val, '=')]); //поиск в content=
4411 leency 434
				strlwr(#val);
5746 leency 435
				if      (isval("utf-8"))        || (isval("utf8"))        meta_encoding = CH_UTF8;
436
				else if (isval("koi8-r"))       || (isval("koi8-u"))      meta_encoding = CH_KOI8;
5749 leency 437
				else if (isval("windows-1251")) || (isval("windows1251")) meta_encoding = CH_CP1251;
5746 leency 438
				else if (isval("iso-8859-5"))   || (isval("iso8859-5"))   meta_encoding = CH_ISO8859_5;
439
				else if (isval("dos"))          || (isval("cp-866"))      meta_encoding = CH_CP866;
440
				if (cur_encoding!=meta_encoding) BufEncode(meta_encoding);
441
				return;
5749 leency 442
			}
4636 leency 443
		} while(GetNextParam());
4411 leency 444
		return;
445
	}
446
}
447
448
void TWebBrowser::BufEncode(int set_new_encoding)
449
 
5749 leency 450
	int bufpointer_realsize;
5704 leency 451
	cur_encoding = set_new_encoding;
452
	if (o_bufpointer==0)
453
	{
454
		o_bufpointer = malloc(bufsize);
455
		strcpy(o_bufpointer, bufpointer);
456
	}
457
	else
458
	{
459
		strcpy(bufpointer, o_bufpointer);
460
	}
461
}
462
//============================================================================================
463
void TWebBrowser::DrawScroller()
5747 leency 464
{
4674 leency 465
	scroll_wv.max_area = list.count;
4411 leency 466
	scroll_wv.cur_area = list.visible;
4416 leency 467
	scroll_wv.position = list.first;
468
469
	scroll_wv.all_redraw = 0;
4411 leency 470
 
5519 leency 471
	scroll_wv.start_y = list.y;
4486 leency 472
4508 leency 473
	scroll_wv.size_y = list.h;
4411 leency 474
 
5678 leency 475
476
	scrollbar_v_draw(#scroll_wv);
5519 leency 477
 
4416 leency 478
//============================================================================================
4411 leency 479
void TWebBrowser::NewLine()
5747 leency 480
{
4692 leency 481
	int onleft, ontop;
4475 leency 482
5678 leency 483
	onleft = list.x + 5;
4692 leency 484
 
485
	if (t_html) && (!t_body) return;
486
	if (stroka * list.line_h + 5 >= 0) && ( stroka + 1 * list.line_h + 5 < list.h) && (!anchor)
4637 leency 487
	{
5678 leency 488
		if (style.align == ALIGN_CENTER) && (DrawBuf.zoom==1) DrawBuf.AlignCenter(onleft,ontop,list.w,list.line_h,stolbec * list.font_w);
4475 leency 489
		if (style.align == ALIGN_RIGHT) && (DrawBuf.zoom==1)  DrawBuf.AlignRight(onleft,ontop,list.w,list.line_h,stolbec * list.font_w);
5746 leency 490
	}
491
	stroka++;
4475 leency 492
	if (style.blq) stolbec = 6; else stolbec = 0;
493
	if (style.li) stolbec = style.li_tab * 5;
5746 leency 494
}
495
//============================================================================================
4488 leency 496
int istag(dword text) { if (!strcmp(#tag,text)) return 1; else return 0; }
5747 leency 497
int isattr(dword text) { if (!strcmp(#attr,text)) return 1; else return 0; }
5746 leency 498
int isval(dword text) { if (!strcmp(#val,text)) return 1; else return 0; }
499
//============================================================================================
500
void TWebBrowser::DrawPage()
5766 leency 501
{
502
	PutPaletteImage(list.first * list.line_h * DrawBuf.bufw * 4 + buf_data+8, DrawBuf.bufw, list.h, DrawBuf.bufx, DrawBuf.bufy, 32, 0);
503
	DrawScroller();
504
}
505
>
506