/* Copyright (c) 2013, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file this utility generates character table for ucl
*/
#include <stdio.h>
#include <ctype.h>
#include <stdbool.h>
static inline int
print_flag (const char *flag, bool *need_or, char *val)
{
int res;
res = sprintf (val, "%s%s", *need_or ? "|" : "", flag);
*need_or |= true;
return res;
}
int
main (int argc, char **argv)
{
int i, col, r;
const char *name = "ucl_chartable";
bool need_or;
char valbuf[2048];
col = 0;
if (argc > 1) {
name = argv[1];
}
printf ("static const unsigned int %s[255] = {\n", name);
for (i = 0; i < 255; i ++) {
need_or = false;
r = 0;
/* UCL_CHARACTER_VALUE_END */
if (i == ' ' || i == '\t') {
r += print_flag ("UCL_CHARACTER_WHITESPACE", &need_or, valbuf + r);
}
if (isspace (i)) {
r += print_flag ("UCL_CHARACTER_WHITESPACE_UNSAFE", &need_or, valbuf + r);
}
if (isalnum (i) || i >= 0x80 || i == '/' || i == '_') {
r += print_flag ("UCL_CHARACTER_KEY_START", &need_or, valbuf + r);
}
if (isalnum (i) || i == '-' || i == '_' || i == '/' || i == '.' || i >= 0x80) {
r += print_flag ("UCL_CHARACTER_KEY", &need_or, valbuf + r);
}
if (i == 0 || i == '\r' || i == '\n' || i == ']' || i == '}' || i == ';' || i == ',' || i == '#') {
r += print_flag ("UCL_CHARACTER_VALUE_END", &need_or, valbuf + r);
}
else {
if (isprint (i) || i >= 0x80) {
r += print_flag ("UCL_CHARACTER_VALUE_STR", &need_or, valbuf + r);
}
if (isdigit (i) || i == '-') {
r += print_flag ("UCL_CHARACTER_VALUE_DIGIT_START", &need_or, valbuf + r);
}
if (isalnum (i) || i == '.' || i == '-' || i == '+') {
r += print_flag ("UCL_CHARACTER_VALUE_DIGIT", &need_or, valbuf + r);
}
}
if (i == '"' || i == '\\' || i == '/' || i == 'b' ||
i == 'f' || i == 'n' || i == 'r' || i == 't' || i == 'u') {
r += print_flag ("UCL_CHARACTER_ESCAPE", &need_or, valbuf + r);
}
if (i == ' ' || i == '\t' || i == ':' || i == '=') {
r += print_flag ("UCL_CHARACTER_KEY_SEP", &need_or, valbuf + r);
}
if (i == '\n' || i == '\r' || i == '\\' || i == '\b' || i == '\t' ||
i == '"' || i == '\f') {
r += print_flag ("UCL_CHARACTER_JSON_UNSAFE", &need_or, valbuf + r);
}
if (i == '\n' || i == '\r' || i == '\\' || i == '\b' || i == '\t' ||
i == '"' || i == '\f' || i == '=' || i == ':' || i == '{' || i == '[' || i == ' ') {
r += print_flag ("UCL_CHARACTER_UCL_UNSAFE", &need_or, valbuf + r);
}
if (!need_or) {
r += print_flag ("UCL_CHARACTER_DENIED", &need_or, valbuf + r);
}
if (isprint (i)) {
r += sprintf (valbuf + r, " /* %c */", i);
}
if (i != 254) {
r += sprintf (valbuf + r, ", ");
}
col += r;
if (col > 80) {
printf ("\n%s", valbuf);
col = r;
}
else {
printf ("%s", valbuf);
}
}
printf ("\n}\n");
return 0;
}
