diff options
Diffstat (limited to 'lib/libc/iconv/citrus_pivot_factory.c')
| -rw-r--r-- | lib/libc/iconv/citrus_pivot_factory.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/lib/libc/iconv/citrus_pivot_factory.c b/lib/libc/iconv/citrus_pivot_factory.c new file mode 100644 index 0000000..0f279b1 --- /dev/null +++ b/lib/libc/iconv/citrus_pivot_factory.c @@ -0,0 +1,225 @@ +/* $FreeBSD$ */ +/* $NetBSD: citrus_pivot_factory.c,v 1.7 2009/04/12 14:20:19 lukem Exp $ */ + +/*- + * Copyright (c)2003 Citrus Project, + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + */ + +#include <sys/cdefs.h> +#include <sys/queue.h> + +#include <assert.h> +#include <ctype.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "citrus_namespace.h" +#include "citrus_region.h" +#include "citrus_bcs.h" +#include "citrus_db_factory.h" +#include "citrus_db_hash.h" +#include "citrus_pivot_file.h" +#include "citrus_pivot_factory.h" + +struct src_entry { + char *se_name; + struct _citrus_db_factory *se_df; + STAILQ_ENTRY(src_entry) se_entry; +}; +STAILQ_HEAD(src_head, src_entry); + +static int +find_src(struct src_head *sh, struct src_entry **rse, const char *name) +{ + int ret; + struct src_entry *se; + + STAILQ_FOREACH(se, sh, se_entry) { + if (_bcs_strcasecmp(se->se_name, name) == 0) { + *rse = se; + return (0); + } + } + se = malloc(sizeof(*se)); + if (se == NULL) + return (errno); + se->se_name = strdup(name); + if (se->se_name == NULL) { + ret = errno; + free(se); + return (ret); + } + ret = _db_factory_create(&se->se_df, &_db_hash_std, NULL); + if (ret) { + free(se->se_name); + free(se); + return (ret); + } + STAILQ_INSERT_TAIL(sh, se, se_entry); + *rse = se; + + return (0); +} + +static void +free_src(struct src_head *sh) +{ + struct src_entry *se; + + while ((se = STAILQ_FIRST(sh)) != NULL) { + STAILQ_REMOVE_HEAD(sh, se_entry); + _db_factory_free(se->se_df); + free(se->se_name); + free(se); + } +} + + +#define T_COMM '#' +static int +convert_line(struct src_head *sh, const char *line, size_t len) +{ + struct src_entry *se; + const char *p; + char key1[LINE_MAX], key2[LINE_MAX], data[LINE_MAX]; + char *ep; + uint32_t val; + int ret; + + se = NULL; + + /* cut off trailing comment */ + p = memchr(line, T_COMM, len); + if (p) + len = p - line; + + /* key1 */ + line = _bcs_skip_ws_len(line, &len); + if (len == 0) + return (0); + p = _bcs_skip_nonws_len(line, &len); + if (p == line) + return (0); + snprintf(key1, sizeof(key1), "%.*s", (int)(p - line), line); + + /* key2 */ + line = _bcs_skip_ws_len(p, &len); + if (len == 0) + return (0); + p = _bcs_skip_nonws_len(line, &len); + if (p == line) + return (0); + snprintf(key2, sizeof(key2), "%.*s", (int)(p - line), line); + + /* data */ + line = _bcs_skip_ws_len(p, &len); + _bcs_trunc_rws_len(line, &len); + snprintf(data, sizeof(data), "%.*s", (int)len, line); + val = strtoul(data, &ep, 0); + if (*ep != '\0') + return (EFTYPE); + + /* insert to DB */ + ret = find_src(sh, &se, key1); + if (ret) + return (ret); + + return (_db_factory_add32_by_s(se->se_df, key2, val)); +} + +static int +dump_db(struct src_head *sh, struct _region *r) +{ + struct _db_factory *df; + struct src_entry *se; + struct _region subr; + void *ptr; + size_t size; + int ret; + + ret = _db_factory_create(&df, &_db_hash_std, NULL); + if (ret) + return (ret); + + STAILQ_FOREACH(se, sh, se_entry) { + size = _db_factory_calc_size(se->se_df); + ptr = malloc(size); + if (ptr == NULL) + goto quit; + _region_init(&subr, ptr, size); + ret = _db_factory_serialize(se->se_df, _CITRUS_PIVOT_SUB_MAGIC, + &subr); + if (ret) + goto quit; + ret = _db_factory_add_by_s(df, se->se_name, &subr, 1); + if (ret) + goto quit; + } + + size = _db_factory_calc_size(df); + ptr = malloc(size); + if (ptr == NULL) + goto quit; + _region_init(r, ptr, size); + + ret = _db_factory_serialize(df, _CITRUS_PIVOT_MAGIC, r); + ptr = NULL; + +quit: + free(ptr); + _db_factory_free(df); + return (ret); +} + +int +_citrus_pivot_factory_convert(FILE *out, FILE *in) +{ + struct src_head sh; + struct _region r; + char *line; + size_t size; + int ret; + + STAILQ_INIT(&sh); + + while ((line = fgetln(in, &size)) != NULL) + if ((ret = convert_line(&sh, line, size))) { + free_src(&sh); + return (ret); + } + + ret = dump_db(&sh, &r); + free_src(&sh); + if (ret) + return (ret); + + if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1) + return (errno); + + return (0); +} |
