mirror of
https://github.com/freebsd/freebsd-src
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129 lines
4 KiB
C
129 lines
4 KiB
C
/* Copyright (c) 2013, Vsevolod Stakhov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file this utility generates character table for ucl
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <stdbool.h>
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static inline int
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print_flag (const char *flag, bool *need_or, char *val)
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{
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int res;
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res = sprintf (val, "%s%s", *need_or ? "|" : "", flag);
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*need_or |= true;
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return res;
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}
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int
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main (int argc, char **argv)
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{
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int i, col, r;
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const char *name = "ucl_chartable";
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bool need_or;
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char valbuf[2048];
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col = 0;
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if (argc > 1) {
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name = argv[1];
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}
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printf ("static const unsigned int %s[256] = {\n", name);
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for (i = 0; i < 256; i ++) {
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need_or = false;
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r = 0;
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/* UCL_CHARACTER_VALUE_END */
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if (i == ' ' || i == '\t') {
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r += print_flag ("UCL_CHARACTER_WHITESPACE", &need_or, valbuf + r);
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}
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if (isspace (i)) {
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r += print_flag ("UCL_CHARACTER_WHITESPACE_UNSAFE", &need_or, valbuf + r);
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}
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if (isalnum (i) || i >= 0x80 || i == '/' || i == '_') {
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r += print_flag ("UCL_CHARACTER_KEY_START", &need_or, valbuf + r);
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}
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if (isalnum (i) || i == '-' || i == '_' || i == '/' || i == '.' || i >= 0x80) {
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r += print_flag ("UCL_CHARACTER_KEY", &need_or, valbuf + r);
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}
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if (i == 0 || i == '\r' || i == '\n' || i == ']' || i == '}' || i == ';' || i == ',' || i == '#') {
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r += print_flag ("UCL_CHARACTER_VALUE_END", &need_or, valbuf + r);
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}
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else {
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if (isprint (i) || i >= 0x80) {
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r += print_flag ("UCL_CHARACTER_VALUE_STR", &need_or, valbuf + r);
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}
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if (isdigit (i) || i == '-') {
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r += print_flag ("UCL_CHARACTER_VALUE_DIGIT_START", &need_or, valbuf + r);
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}
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if (isalnum (i) || i == '.' || i == '-' || i == '+') {
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r += print_flag ("UCL_CHARACTER_VALUE_DIGIT", &need_or, valbuf + r);
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}
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}
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if (i == '"' || i == '\\' || i == '/' || i == 'b' ||
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i == 'f' || i == 'n' || i == 'r' || i == 't' || i == 'u') {
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r += print_flag ("UCL_CHARACTER_ESCAPE", &need_or, valbuf + r);
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}
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if (i == ' ' || i == '\t' || i == ':' || i == '=') {
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r += print_flag ("UCL_CHARACTER_KEY_SEP", &need_or, valbuf + r);
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}
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if (i == '\n' || i == '\r' || i == '\\' || i == '\b' || i == '\t' ||
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i == '"' || i == '\f') {
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r += print_flag ("UCL_CHARACTER_JSON_UNSAFE", &need_or, valbuf + r);
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}
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if (i == '\n' || i == '\r' || i == '\\' || i == '\b' || i == '\t' ||
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i == '"' || i == '\f' || i == '=' || i == ':' || i == '{' || i == '[' || i == ' ') {
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r += print_flag ("UCL_CHARACTER_UCL_UNSAFE", &need_or, valbuf + r);
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}
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if (!need_or) {
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r += print_flag ("UCL_CHARACTER_DENIED", &need_or, valbuf + r);
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}
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if (isprint (i)) {
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r += sprintf (valbuf + r, " /* %c */", i);
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}
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if (i != 255) {
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r += sprintf (valbuf + r, ", ");
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}
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col += r;
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if (col > 80) {
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printf ("\n%s", valbuf);
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col = r;
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}
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else {
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printf ("%s", valbuf);
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}
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}
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printf ("\n}\n");
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return 0;
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}
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