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charset2html.c
1 /* Copyright (c) 2000, 2002-2004, 2007, 2008 MySQL AB
2  Use is subject to license terms
3 
4  This program is free software; you can redistribute it and/or modify
5  it under the terms of the GNU General Public License as published by
6  the Free Software Foundation; version 2 of the License.
7 
8  This program is distributed in the hope that it will be useful,
9  but WITHOUT ANY WARRANTY; without even the implied warranty of
10  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  GNU General Public License for more details.
12 
13  You should have received a copy of the GNU General Public License
14  along with this program; if not, write to the Free Software
15  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
16  */
17 
18 /*
19  Written by Alexander Barkov to check what
20  a charset is in your favorite web browser
21 */
22 
23 #include <my_global.h>
24 #include <m_ctype.h>
25 #include <my_sys.h>
26 #include <mysql_version.h>
27 
28 #include <stdio.h>
29 
30 typedef struct char_info_st
31 {
32  int cod;
33  int srt;
34  int uni;
35  int low;
36  int upp;
37  int ctp;
38 } MY_CH;
39 
40 static int chcmp(const void *vf, const void *vs)
41 {
42  const MY_CH *f=vf;
43  const MY_CH *s=vs;
44 
45  return f->srt-s->srt ? f->srt-s->srt : f->uni-s->uni;
46 }
47 
48 static void print_cs(CHARSET_INFO *cs)
49 {
50  uint i;
51  int srt;
52  int clr=0;
53  MY_CH ch[256];
54 
55  printf("<HTML>\n");
56  printf("<HEAD>\n");
57  printf("</HEAD>\n");
58  printf("<BODY><PRE>\n");
59  printf("Charset %s\n",cs->name);
60 
61  printf("<TABLE>\n");
62  printf("<TR><TH>Code<TH>Uni<TH>Sort<TH>Ctype<TH>Ch<TH>Lo<TH>Up</TR>");
63 
64  for (i=0; i<256; i++)
65  {
66  ch[i].cod=i;
67  ch[i].srt=cs->sort_order ? cs->sort_order[i] : i;
68  ch[i].uni=cs->tab_to_uni[i];
69  ch[i].low=cs->tab_to_uni[cs->to_lower[i]];
70  ch[i].upp=cs->tab_to_uni[cs->to_upper[i]];
71  ch[i].ctp=cs->ctype[i+1];
72  }
73 
74  qsort(ch,256,sizeof(MY_CH),&chcmp);
75  srt=ch[0].srt;
76 
77  for (i=0; i<256; i++)
78  {
79  clr = (srt!=ch[i].srt) ? !clr : clr;
80 
81  printf("<TR bgcolor=#%s>",clr ? "DDDDDD" : "EEEE99");
82  printf("<TD>%02X",ch[i].cod);
83  printf("<TD>%04X",ch[i].uni);
84  printf("<TD>%02X",ch[i].srt);
85 
86  printf("<TD>%s%s%s%s%s%s%s%s",
87  ch[i].ctp & _MY_U ? "U" : "",
88  ch[i].ctp & _MY_L ? "L" : "",
89  ch[i].ctp & _MY_NMR ? "N" : "",
90  ch[i].ctp & _MY_SPC ? "S" : "",
91  ch[i].ctp & _MY_PNT ? "P" : "",
92  ch[i].ctp & _MY_CTR ? "C" : "",
93  ch[i].ctp & _MY_B ? "B" : "",
94  ch[i].ctp & _MY_X ? "X" : "");
95 
96  if ((ch[i].uni >= 0x80) && (ch[i].uni <= 0x9F))
97  {
98  /*
99  Control characters 0x0080..0x009F are dysplayed by some
100  browers as if they were letters. Don't print them to
101  avoid confusion.
102  */
103  printf("<TD>ctrl<TD>ctrl<TD>ctrl");
104  }
105  else
106  {
107  printf("<TD>&#%d;",ch[i].uni);
108  printf("<TD>&#%d;",ch[i].low);
109  printf("<TD>&#%d;",ch[i].upp);
110  }
111  printf("</TR>\n");
112  srt=ch[i].srt;
113  }
114  printf("</TABLE>\n");
115  printf("</PRE></BODY>\n");
116  printf("</HTML>\n");
117 }
118 
119 static void print_index()
120 {
121  CHARSET_INFO **cs;
122  int clr=0;
123 
124  get_charset_by_name("",MYF(0)); /* To execute init_available_charsets */
125 
126  printf("All charsets\n");
127  printf("<table border=1>\n");
128  printf("<tr bgcolor=EEEE99><th>ID<th>Charset<th>Collation<th>Def<th>Bin<th>Com<th>Comment\n");
129  for (cs=all_charsets ; cs < all_charsets+256; cs++)
130  {
131  if (!cs[0])
132  continue;
133  printf("<tr bgcolor=#%s><td><a href=\"?%s\">%d</a><td>%s<td>%s<td>%s<td>%s<td>%s<td>%s\n",
134  (clr= !clr) ? "DDDDDD" : "EEEE99",
135  cs[0]->name,cs[0]->number,cs[0]->csname,
136  cs[0]->name,
137  (cs[0]->state & MY_CS_PRIMARY) ? "def " : "&nbsp;",
138  (cs[0]->state & MY_CS_BINSORT) ? "bin " : "&nbsp;",
139  (cs[0]->state & MY_CS_COMPILED) ? "com " : "&nbsp;",
140  cs[0]->comment);
141  }
142  printf("</table>\n");
143 }
144 
145 int main(int argc, char **argv) {
146  const char *the_set = NULL;
147  int argcnt = 1;
148  CHARSET_INFO *cs;
149 
150  if (getenv("SCRIPT_NAME"))
151  {
152  printf("Content-Type: text/html\r\n\r\n");
153  }
154  my_init();
155 
156  if (argc > argcnt && argv[argcnt][0] == '-' && argv[argcnt][1] == '#')
157  {
158  DBUG_PUSH(argv[argcnt++]+2);
159  }
160 
161  if (argc > argcnt)
162  the_set = argv[argcnt++];
163 
164  if (argc > argcnt)
165  charsets_dir = argv[argcnt++];
166 
167  if (!the_set)
168  {
169  print_index();
170  return 0;
171  }
172 
173  if (!(cs= get_charset_by_name(the_set, MYF(MY_WME))))
174  return 1;
175 
176  print_cs(cs);
177 
178  return 0;
179 }