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166 lines
5.4 KiB
C
166 lines
5.4 KiB
C
/**
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* Copyright (c) 2014, Timothy Stack
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*
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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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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''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 THE REGENTS OR CONTRIBUTORS 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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* @file ptimec.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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const char* PRELUDE
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= "\
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#include <time.h>\n\
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#include <sys/types.h>\n\
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#include \"ptimec.hh\"\n\
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\n\
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";
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char*
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escape_char(char ch)
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{
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static char charstr[4];
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if (ch == '\'') {
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strcpy(charstr, "\\'");
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} else {
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charstr[0] = ch;
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charstr[1] = '\0';
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}
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return charstr;
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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 retval = EXIT_SUCCESS;
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fputs(PRELUDE, stdout);
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for (int lpc = 1; lpc < argc; lpc++) {
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const char* arg = argv[lpc];
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printf(
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"// %s\n"
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"bool ptime_f%d(struct exttm *dst, const char *str, off_t &off, "
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"ssize_t len) {\n"
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" dst->et_flags = 0;\n"
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" // log_debug(\"ptime_f%d\");\n",
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arg,
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lpc,
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lpc);
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for (int index = 0; arg[index]; arg++) {
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if (arg[index] == '%') {
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switch (arg[index + 1]) {
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case 'a':
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case 'Z':
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if (arg[index + 2]) {
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printf(
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" if (!ptime_Z_upto(dst, str, off, len, "
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"'%s')) "
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"return false;\n",
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escape_char(arg[index + 2]));
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} else {
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printf(
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" if (!ptime_Z_upto_end(dst, str, off, "
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"len)) "
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"return false;\n");
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}
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arg += 1;
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break;
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case '@':
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printf(
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" if (!ptime_at(dst, str, off, len)) return "
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"false;\n");
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arg += 1;
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break;
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default:
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printf(
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" if (!ptime_%c(dst, str, off, len)) return "
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"false;\n",
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arg[index + 1]);
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arg += 1;
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break;
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}
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} else {
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printf(
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" if (!ptime_char('%s', str, off, len)) return false;\n",
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escape_char(arg[index]));
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}
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}
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printf(" return true;\n");
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printf("}\n\n");
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}
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for (int lpc = 1; lpc < argc; lpc++) {
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const char* arg = argv[lpc];
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printf(
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"void ftime_f%d(char *dst, off_t &off_inout, size_t len, const "
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"struct exttm &tm) {\n",
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lpc);
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for (int index = 0; arg[index]; arg++) {
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if (arg[index] == '%') {
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switch (arg[index + 1]) {
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case '@':
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printf(" ftime_at(dst, off_inout, len, tm);\n");
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arg += 1;
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break;
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default:
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printf(" ftime_%c(dst, off_inout, len, tm);\n",
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arg[index + 1]);
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arg += 1;
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break;
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}
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} else {
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printf(" ftime_char(dst, off_inout, len, '%s');\n",
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escape_char(arg[index]));
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}
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}
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printf(" dst[off_inout] = '\\0';\n");
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printf("}\n\n");
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}
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printf("struct ptime_fmt PTIMEC_FORMATS[] = {\n");
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for (int lpc = 1; lpc < argc; lpc++) {
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printf(" { \"%s\", ptime_f%d, ftime_f%d },\n", argv[lpc], lpc, lpc);
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}
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printf("\n");
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printf(" { nullptr, nullptr, nullptr }\n");
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printf("};\n");
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printf("const char *PTIMEC_FORMAT_STR[] = {\n");
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for (int lpc = 1; lpc < argc; lpc++) {
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printf(" \"%s\",\n", argv[lpc]);
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}
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printf("\n");
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printf(" nullptr\n");
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printf("};\n");
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return retval;
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}
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