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/**
* Copyright (c) 2014, Timothy Stack
*
* 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.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''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 THE REGENTS OR CONTRIBUTORS 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 ptimec.c
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
const char* PRELUDE
= "\
#include <time.h>\n\
#include <sys/types.h>\n\
#include \"ptimec.hh\"\n\
\n\
";
char*
escape_char(char ch)
{
static char charstr[4];
if (ch == '\'') {
strcpy(charstr, "\\'");
} else {
charstr[0] = ch;
charstr[1] = '\0';
}
return charstr;
}
int
main(int argc, char* argv[])
{
int retval = EXIT_SUCCESS;
fputs(PRELUDE, stdout);
for (int lpc = 1; lpc < argc; lpc++) {
const char* arg = argv[lpc];
printf(
"// %s\n"
"bool ptime_f%d(struct exttm *dst, const char *str, off_t &off, "
"ssize_t len) {\n"
" dst->et_flags = 0;\n"
" // log_debug(\"ptime_f%d\");\n",
arg,
lpc,
lpc);
for (int index = 0; arg[index]; arg++) {
if (arg[index] == '%') {
switch (arg[index + 1]) {
case 'a':
case 'Z':
if (arg[index + 2]) {
printf(
" if (!ptime_Z_upto(dst, str, off, len, "
"'%s')) "
"return false;\n",
escape_char(arg[index + 2]));
} else {
printf(
" if (!ptime_Z_upto_end(dst, str, off, "
"len)) "
"return false;\n");
}
arg += 1;
break;
case '@':
printf(
" if (!ptime_at(dst, str, off, len)) return "
"false;\n");
arg += 1;
break;
default:
printf(
" if (!ptime_%c(dst, str, off, len)) return "
"false;\n",
arg[index + 1]);
arg += 1;
break;
}
} else {
printf(
" if (!ptime_char('%s', str, off, len)) return false;\n",
escape_char(arg[index]));
}
}
printf(" return true;\n");
printf("}\n\n");
}
for (int lpc = 1; lpc < argc; lpc++) {
const char* arg = argv[lpc];
printf(
"void ftime_f%d(char *dst, off_t &off_inout, size_t len, const "
"struct exttm &tm) {\n",
lpc);
for (int index = 0; arg[index]; arg++) {
if (arg[index] == '%') {
switch (arg[index + 1]) {
case '@':
printf(" ftime_at(dst, off_inout, len, tm);\n");
arg += 1;
break;
default:
printf(" ftime_%c(dst, off_inout, len, tm);\n",
arg[index + 1]);
arg += 1;
break;
}
} else {
printf(" ftime_char(dst, off_inout, len, '%s');\n",
escape_char(arg[index]));
}
}
printf(" dst[off_inout] = '\\0';\n");
printf("}\n\n");
}
size_t default_format_index = 0;
printf("struct ptime_fmt PTIMEC_FORMATS[] = {\n");
for (int lpc = 1; lpc < argc; lpc++) {
if (strcmp(argv[lpc], "%Y-%m-%dT%H:%M:%S") == 0) {
default_format_index = lpc - 1;
}
printf(" { \"%s\", ptime_f%d, ftime_f%d },\n", argv[lpc], lpc, lpc);
}
printf("\n");
printf(" { nullptr, nullptr, nullptr }\n");
printf("};\n");
printf("const char *PTIMEC_FORMAT_STR[] = {\n");
for (int lpc = 1; lpc < argc; lpc++) {
printf(" \"%s\",\n", argv[lpc]);
}
printf("\n");
printf(" nullptr\n");
printf("};\n");
printf("\n");
printf("size_t PTIMEC_DEFAULT_FMT_INDEX = %zu;\n", default_format_index);
return retval;
}
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