diff --git a/lib/roken/parse_time.c b/lib/roken/parse_time.c new file mode 100644 index 000000000..dcef563a9 --- /dev/null +++ b/lib/roken/parse_time.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. + */ + +#ifdef HAVE_CONFIG_H +#include +RCSID("$Id$"); +#endif + +#include +#include "parse_time.h" + +static units time_units[] = { + {"year", 365 * 24 * 60 * 60}, + {"month", 30 * 24 * 60 * 60}, + {"week", 7 * 24 * 60 * 60}, + {"day", 24 * 60 * 60}, + {"hour", 60 * 60}, + {"h", 60 * 60}, + {"minute", 60}, + {"m", 60}, + {"second", 1}, + {"s", 1}, + {NULL, 0}, +}; + +int +parse_time (const char *s, const char *def_unit) +{ + return parse_units (s, time_units, def_unit); +} + +size_t +unparse_time (int t, char *s, size_t len) +{ + return unparse_units (t, time_units, s, len); +} diff --git a/lib/roken/parse_time.h b/lib/roken/parse_time.h new file mode 100644 index 000000000..7b5d4d4f1 --- /dev/null +++ b/lib/roken/parse_time.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. + */ + +/* $Id$ */ + +#ifndef __PARSE_TIME_H__ +#define __PARSE_TIME_H__ + +int +parse_time (const char *s, const char *def_unit); + +size_t +unparse_time (int t, char *s, size_t len); + +#endif /* __PARSE_TIME_H__ */ diff --git a/lib/roken/parse_units.c b/lib/roken/parse_units.c new file mode 100644 index 000000000..c19903275 --- /dev/null +++ b/lib/roken/parse_units.c @@ -0,0 +1,154 @@ +/* + * Copyright (c) 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. + */ + +#ifdef HAVE_CONFIG_H +#include +RCSID("$Id$"); +#endif + +#include +#include +#include +#include +#include "parse_units.h" + +/* + * Parse string in `s' according to `units' and return value. + * def_unit defines the default unit. + */ + +int +parse_units (const char *s, const struct units *units, + const char *def_unit) +{ + const char *p; + int res = 0; + int val; + unsigned def_mult = 1; + + if (def_unit != NULL) { + const struct units *u; + + for (u = units; u->name; ++u) { + if (strcasecmp (u->name, def_unit) == 0) { + def_mult = u->mult; + break; + } + } + if (u->name == NULL) + return -1; + } + + p = s; + while (*p) { + double val; + char *next; + const struct units *u, *partial_unit; + size_t u_len; + unsigned partial; + + val = strtod (p, &next); /* strtol(p, &next, 0); */ + if (val == 0 && p == next) + return -1; + p = next; + while (isspace(*p)) + ++p; + if (*p == '\0') { + res += val * def_mult; + break; + } + u_len = strcspn (p, "0123456789 \t"); + partial = NULL; + partial = 0; + if (u_len > 1 && p[u_len - 1] == 's') + --u_len; + for (u = units; u->name; ++u) { + if (strncasecmp (p, u->name, u_len) == 0) { + if (u_len == strlen (u->name)) { + p += u_len; + res += val * u->mult; + break; + } else { + ++partial; + partial_unit = u; + } + } + } + if (u->name == NULL) + if (partial == 1) { + p += u_len; + res += val * partial_unit->mult; + } else { + return -1; + } + if (*p == 's') + ++p; + } + return res; +} + +/* + * Return a string representation according to `units' of `num' in `s' + * with maximum length `len'. + */ + +size_t +unparse_units (int num, const struct units *units, char *s, size_t len) +{ + const struct units *u; + size_t ret = 0, tmp; + + if (num == 0) + return snprintf (s, len, "%u", 0); + + for (u = units; num > 0 && u->name; ++u) { + int div; + + div = num / u->mult; + if (div) { + num %= u->mult; + tmp = snprintf (s, len, "%u %s%s%s", div, u->name, + div == 1 ? "" : "s", + num > 0 ? " " : ""); + len -= tmp; + s += tmp; + ret += tmp; + } + } + return ret; +} diff --git a/lib/roken/parse_units.h b/lib/roken/parse_units.h new file mode 100644 index 000000000..4544767fa --- /dev/null +++ b/lib/roken/parse_units.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. + */ + +/* $Id$ */ + +#ifndef __PARSE_UNITS_H__ +#define __PARSE_UNITS_H__ + +#include + +struct units { + const char *name; + unsigned mult; +}; + +typedef struct units units; + +int +parse_units (const char *s, const struct units *units, + const char *def_unit); + +size_t +unparse_units (int num, const struct units *units, char *s, size_t len); + +#endif /* __PARSE_UNITS_H__ */