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Diffstat (limited to 'src/ptimec.c')
| -rw-r--r-- | src/ptimec.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/ptimec.c b/src/ptimec.c new file mode 100644 index 0000000..45059d6 --- /dev/null +++ b/src/ptimec.c @@ -0,0 +1,157 @@ +/** + * 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 <string.h> +#include <stdlib.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_upto('%s', str, off, len)) " + "return false;\n", + escape_char(arg[index + 2])); + } else { + printf( + " if (!ptime_upto_end(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"); + } + + printf("struct ptime_fmt PTIMEC_FORMATS[] = {\n"); + for (int lpc = 1; lpc < argc; lpc++) { + 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"); + + return retval; +} |