ncurses 5.9 - patch 20121026
[ncurses.git] / ncurses / base / MKunctrl.awk
1 # $Id: MKunctrl.awk,v 1.27 2012/06/09 20:29:33 tom Exp $
2 ##############################################################################
3 # Copyright (c) 1998-2009,2012 Free Software Foundation, Inc.                #
4 #                                                                            #
5 # Permission is hereby granted, free of charge, to any person obtaining a    #
6 # copy of this software and associated documentation files (the "Software"), #
7 # to deal in the Software without restriction, including without limitation  #
8 # the rights to use, copy, modify, merge, publish, distribute, distribute    #
9 # with modifications, sublicense, and/or sell copies of the Software, and to #
10 # permit persons to whom the Software is furnished to do so, subject to the  #
11 # following conditions:                                                      #
12 #                                                                            #
13 # The above copyright notice and this permission notice shall be included in #
14 # all copies or substantial portions of the Software.                        #
15 #                                                                            #
16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
19 # THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
21 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
22 # DEALINGS IN THE SOFTWARE.                                                  #
23 #                                                                            #
24 # Except as contained in this notice, the name(s) of the above copyright     #
25 # holders shall not be used in advertising or otherwise to promote the sale, #
26 # use or other dealings in this Software without prior written               #
27 # authorization.                                                             #
28 ##############################################################################
29 #
30 # Author: Thomas E. Dickey (1997-on)
31 #
32
33 BEGIN   {
34                 print "/* generated by MKunctrl.awk */"
35                 print ""
36                 print "#include <curses.priv.h>"
37                 print "#include <ctype.h>"
38                 print ""
39                 print "#undef unctrl"
40                 print ""
41         }
42 END     {
43                 print "NCURSES_EXPORT(NCURSES_CONST char *) safe_unctrl(SCREEN *sp, chtype ch)"
44                 print "{"
45                 blob=""
46                 offset=0
47                 if (bigstrings) {
48                         printf "static const short unctrl_table[] = {"
49                 } else {
50                         printf "static const char* const unctrl_table[] = {"
51                 }
52                 for ( ch = 0; ch < 256; ch++ ) {
53                         gap = ","
54                         part=""
55                         if ((ch % 8) == 0) {
56                                 printf "\n    "
57                                 if (ch != 0)
58                                         blob = blob "\""
59                                 blob = blob "\n    \""
60                         }
61                         if (bigstrings)
62                                 printf "%4d%s", offset, gap;
63                         if (ch < 32) {
64                                 part = sprintf ("^\\%03o", ch + 64);
65                                 offset = offset + 3;
66                         } else if (ch == 127) {
67                                 part = "^?";
68                                 offset = offset + 3;
69                         } else if (ch >= 128 && ch < 160) {
70                                 part = sprintf("~\\%03o", ch - 64);
71                                 offset = offset + 3;
72                         } else if (ch == 255) {
73                                 part = "~?";
74                                 offset = offset + 3;
75                         } else if (ch >= 160) {
76                                 part = sprintf("M-\\%03o", ch - 128);
77                                 offset = offset + 4;
78                         } else {
79                                 gap = gap " "
80                                 part = sprintf("\\%03o", ch);
81                                 offset = offset + 2;
82                         }
83                         if (ch == 255)
84                                 gap = "\n"
85                         else if (((ch + 1) % 8) != 0)
86                                 gap = gap " "
87                         if (bigstrings) {
88                                 blob = blob part "\\0";
89                         } else {
90                                 printf "\"%s\"%s", part, gap
91                         }
92                 }
93                 print "};"
94                 blob = blob "\"";
95
96                 print ""
97                 printf "#if NCURSES_EXT_FUNCS\n";
98                 if (bigstrings) {
99                         blob = blob "\n/* printable values in 128-255 range */"
100                         printf "static const short unctrl_c1[] = {"
101                 } else {
102                         printf "static const char* const unctrl_c1[] = {"
103                 }
104                 for ( ch = 128; ch < 256; ch++ ) {
105                         gap = ","
106                         if ((ch % 8) == 0) {
107                                 if (ch != 128)
108                                         blob = blob "\""
109                                 printf "\n    "
110                                 blob = blob "\n    \""
111                         }
112                         if (bigstrings) {
113                                 printf "%4d%s", offset, gap;
114                                 part = sprintf("\\%03o\\0", ch);
115                                 blob = blob part
116                                 offset = offset + 2;
117                                 if (((ch + 1) % 8) != 0)
118                                         gap = gap " "
119                         } else {
120                                 if (ch >= 128) {
121                                         printf "\"\\%03o\"", ch
122                                         gap = gap " "
123                                 }
124                                 if (ch == 255)
125                                         gap = "\n"
126                                 else if (((ch + 1) % 8) != 0)
127                                         gap = gap " "
128                                 printf "%s", gap
129                         }
130                 }
131                 print "};"
132                 print "#endif /* NCURSES_EXT_FUNCS */"
133                 blob = blob "\"\n"
134
135                 print ""
136                 if (bigstrings) {
137                         print "static const char unctrl_blob[] = "blob";"
138                         print ""
139                         stringname = "unctrl_blob + unctrl"
140                 } else {
141                         stringname = "unctrl"
142                 }
143                 print  "\tint check = (int) ChCharOf(ch);"
144                 print  "\tconst char *result;"
145                 print  ""
146                 print  "\tif (check >= 0 && check < (int)SIZEOF(unctrl_table)) {"
147                 print  "#if NCURSES_EXT_FUNCS"
148                 print  "\t\tif ((sp != 0)"
149                 print  "\t\t && (sp->_legacy_coding > 1)"
150                 print  "\t\t && (check >= 128)"
151                 print  "\t\t && (check < 160))"
152                 printf "\t\t\tresult = %s_c1[check - 128];\n", stringname;
153                 print  "\t\telse"
154                 print  "\t\tif ((check >= 160)"
155                 print  "\t\t && (check < 256)"
156                 print  "\t\t && ((sp != 0)"
157                 print  "\t\t  && ((sp->_legacy_coding > 0)"
158                 print  "\t\t   || (sp->_legacy_coding == 0"
159                 print  "\t\t       && isprint(check)))))"
160                 printf "\t\t\tresult = %s_c1[check - 128];\n", stringname;
161                 print  "\t\telse"
162                 print  "#endif /* NCURSES_EXT_FUNCS */"
163                 printf "\t\t\tresult = %s_table[check];\n", stringname;
164                 print  "\t} else {"
165                 print  "\t\tresult = 0;"
166                 print  "\t}"
167                 print  "\treturn (NCURSES_CONST char *)result;"
168                 print  "}"
169                 print  ""
170                 print  "NCURSES_EXPORT(NCURSES_CONST char *) unctrl (chtype ch)"
171                 print  "{"
172                 print  "\treturn safe_unctrl(CURRENT_SCREEN, ch);"
173                 print  "}"
174         }