File: exp-html.c

package info (click to toggle)
alevt 1:1.6.2-4
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 956 kB
  • ctags: 662
  • sloc: ansic: 6,284; makefile: 119; perl: 104; sh: 15
file content (296 lines) | stat: -rw-r--r-- 6,513 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
/* Copyright 1999 by Paul Ortyl <ortylp@from.pl> */

#include <stdio.h>
#include <string.h>
#include "lang.h"
#include "export.h"

static int html_open(struct export *e);
static int html_option(struct export *e, int opt, char *arg);
static int html_output(struct export *e, char *name, struct fmt_page *pg);

static char *html_opts[] =	// module options
{
  "gfx-chr=<char>",             // substitute <char> for gfx-symbols
  "bare",                     // no headers  
   0                      
};

struct html_data			// private data in struct export
{
  u8 gfx_chr;
  u8 bare;
};

struct export_module export_html =	// exported module definition
{
    "html",			// id
    "html",			// extension
    html_opts,			// options
    sizeof(struct html_data),	// size
    html_open,			// open
    0,				// close
    html_option,		// option
    html_output			// output
};

#define D  ((struct html_data *)e->data)

static int
html_open(struct export *e)
{
    D->gfx_chr = '#';
    D->bare = 0;
    //e->reveal=1;	// the default should be the same for all formats.
    return 0;
}

static int
html_option(struct export *e, int opt, char *arg)
{
  
  switch (opt)
    {
    case 1: // gfx-chr=
      D->gfx_chr = *arg ?: ' ';
      break;
    case 2: // bare (no headers)
      D->bare=1;
      break;
    }
  return 0;
}

///////////////////////////////////////////////////////

#define HTML_BLACK   "#000000"
#define HTML_RED     "#FF0000"
#define HTML_GREEN   "#00FF00"
#define HTML_YELLOW  "#FFFF00"
#define HTML_BLUE    "#0000FF"
#define HTML_MAGENTA "#FF00FF"
#define HTML_CYAN    "#00FFFF"
#define HTML_WHITE   "#FFFFFF"

#undef UNREADABLE_HTML //no '\n'
#define STRIPPED_HTML   //only necessary fields in header

static int html_output(struct export *e, char *name, struct fmt_page *pg)
{
    
  const char* html_colours[]={ HTML_BLACK,
			       HTML_RED,
			       HTML_GREEN,
			       HTML_YELLOW,
			       HTML_BLUE,
			       HTML_MAGENTA,
			       HTML_CYAN,
			       HTML_WHITE};
  FILE *fp;
  int x, y;

#ifdef UNREADABLE_HTML
#define HTML_NL
#else
#define HTML_NL fputc('\n',fp);
#endif
  
  if (not(fp = fopen(name, "w")))
    {
      export_error("cannot create file");
      return -1;
    }

if (!D->bare)
  {
#ifndef STRIPPED_HTML  
    fputs("<!doctype html public \"-//w3c//dtd html 4.0 transitional//en\">",fp);
    HTML_NL
#endif
      fputs("<html><head>",fp);
    HTML_NL
#ifndef STRIPPED_HTML
      fputs("<meta http-equiv=\"Content-Type\" content=\"text/html;",fp);
    fprintf(fp,"charset=iso-8859-%d\">",(latin1 ? 1 : 2));
    HTML_NL
      fputs("<meta name=\"GENERATOR\" content=\"alevt-cap\">",fp);
    HTML_NL
#else
      fprintf(fp,"<meta charset=\"iso-8859-%d\">",(latin1 ? 1 : 2));
    HTML_NL
#endif
      fputs("</head>",fp);
    fputs("<body text=\"#FFFFFF\" bgcolor=\"#000000\">",fp);
    HTML_NL
      } //bare

      fputs("<tt><b>",fp);
    HTML_NL
      

  // write tables in form of HTML format
  for (y = 0; y < 25; ++y)
    { 
      int last_nonblank=0;
      int first_unprinted=0;
      int last_space=1;
      // previous char was &nbsp;
      // is used for deciding to put semicolon or not
      int nbsp=0; 

      // for output filled with ' ' up to 40 chars
      // set last_nonblank=39
      for (x = 0 ; x < 40; ++x) 
	{ 
	  if (pg->data[y][x].attr & EA_GRAPHIC)
	    {pg->data[y][x].ch= D->gfx_chr;}
	  
	  if (pg->data[y][x].ch!=' ') 
	  {
	    last_nonblank=x;    // <-----
	  } 
	}

      for (x = 0 ; x <= last_nonblank ; ++x)
	{
	  if (pg->data[y][x].ch==' ')
	    {
	      // if single space between blinking/colour words
	      // then make the space blinking/colour too
	      if ((x)&&(x<39))
		{
		  if ((pg->data[y][x-1].ch!=' ')
		      &&(pg->data[y][x+1].ch!=' ')
		      &&(pg->data[y][x-1].attr & EA_BLINK)
		      &&(pg->data[y][x+1].attr & EA_BLINK))
		    {pg->data[y][x].attr |= EA_BLINK;}
		  else 		    
		    {pg->data[y][x].attr &= ~EA_BLINK;}
		  	    
		  if ((pg->data[y][x-1].ch!=' ')
		      &&(pg->data[y][x+1].ch!=' ')
		      &&(pg->data[y][x-1].fg==pg->data[y][x+1].fg))
		    {pg->data[y][x].fg=pg->data[y][x-1].fg;}
		  else
		    pg->data[y][x].fg=7;
		}
	      else
		{
		  pg->data[y][x].attr &= ~EA_BLINK;
		  pg->data[y][x].fg=7;
		}
	    }
	  else
	    {
	      // if foreground is black set the foreground to previous 
	      // background colour to let it be visible
	      if (!pg->data[y][x].fg) 
		{pg->data[y][x].fg=pg->data[y][x].bg;}
	    }
	  //check if attributes changed, 
	  //if yes then print chars and update first_unprinted
	  //if not then go to next char
	  if (x)
	    {
	      if (((
		    (pg->data[y][x].attr & EA_BLINK)
		    ==
		    (pg->data[y][x-1].attr & EA_BLINK)
		    )
		   &&
		   (
		    pg->data[y][x].fg == pg->data[y][x-1].fg
		    ))
		  &&(x!=last_nonblank))
		
		{ continue; }
	    }
	  else continue;
	    
	  {
	    int z=first_unprinted;
	    //	    last_space=0;
	    for(;(pg->data[y][z].ch==' ') && (z<x);z++)
	      {
		if (last_space)
		  {
		    fprintf(fp,"&nbsp");
		    last_space=0;
		    nbsp=1;
		  }
		else 
		  {
		    fputc(' ',fp);
		    last_space=1;
		    nbsp=0;
		  }
	      }
	   
	    first_unprinted=z;
	    
	    if (z==x) continue; 
	    
	    if (pg->data[y][first_unprinted].attr & EA_BLINK) 
	      {
		fprintf(fp,"<blink>");
		nbsp=0;
	      }
	    
	    if (pg->data[y][first_unprinted].fg!=7)
	      {
		fprintf(fp,"<font color=\"%s\">",
			html_colours[pg->data[y][first_unprinted].fg]);
		nbsp=0;
	      }
	    for(;(z<x)||(z==last_nonblank);z++)
	      {
		
		if (pg->data[y][z].ch==' ')
		  {
		    for(;(pg->data[y][z].ch==' ') && (z<x);z++)
		      {
			if (last_space)
			  {
			    fprintf(fp,"&nbsp");
			    last_space=0;
			    nbsp=1;
			  }
			else 
			  {
			    fputc(' ',fp);
			    last_space=1;
			    nbsp=0;
			  }
		      }
		    z--;
		  }
		else
		  {
		    //if previous nbsp --> put semicolon!!!
		    if (nbsp) fputc(';',fp);
		    fputc(pg->data[y][z].ch,fp);
		    last_space=0;
		    nbsp=0;
		  }
	      }
	    if (pg->data[y][first_unprinted].fg!=7)
	      {
		fprintf(fp,"</font>");
	      }
	    if (pg->data[y][first_unprinted].attr & EA_BLINK)
	      fprintf(fp,"</blink>");
	    
	    first_unprinted=z;
	  }
	}
      fputs("<br>",fp);
      HTML_NL
    }
  fputs("</b></tt>",fp);
  if (!D->bare)
    fputs("</body></html>",fp);
  fclose(fp);
  return 0;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////