1/* $NetBSD: citrus_pivot_factory.c,v 1.6 2008/02/09 14:56:20 junyoung Exp $ */ 2 3/*- 4 * Copyright (c)2003 Citrus Project, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#if HAVE_NBTOOL_CONFIG_H 30#include "nbtool_config.h" 31#endif 32 33#include <sys/cdefs.h> 34#if defined(LIBC_SCCS) && !defined(lint) 35__RCSID("$NetBSD: citrus_pivot_factory.c,v 1.6 2008/02/09 14:56:20 junyoung Exp $"); 36#endif /* LIBC_SCCS and not lint */ 37 38#include <assert.h> 39#include <stdio.h> 40#include <stdlib.h> 41#include <string.h> 42#include <errno.h> 43#include <ctype.h> 44#include <limits.h> 45#include <sys/queue.h> 46 47#include "citrus_namespace.h" 48#include "citrus_region.h" 49#include "citrus_bcs.h" 50#include "citrus_db_factory.h" 51#include "citrus_db_hash.h" 52#include "citrus_pivot_file.h" 53#include "citrus_pivot_factory.h" 54 55struct src_entry { 56 char *se_name; 57 struct _citrus_db_factory *se_df; 58 SIMPLEQ_ENTRY(src_entry) se_entry; 59}; 60SIMPLEQ_HEAD(src_head, src_entry); 61 62static int 63find_src(struct src_head *sh, struct src_entry **rse, const char *name) 64{ 65 int ret; 66 struct src_entry *se; 67 68 SIMPLEQ_FOREACH(se, sh, se_entry) { 69 if (_bcs_strcasecmp(se->se_name, name) == 0) { 70 *rse = se; 71 return 0; 72 } 73 } 74 se = malloc(sizeof(*se)); 75 if (se == NULL) 76 return errno; 77 se->se_name = strdup(name); 78 if (se->se_name == NULL) { 79 ret = errno; 80 free(se); 81 return ret; 82 } 83 ret = _db_factory_create(&se->se_df, &_db_hash_std, NULL); 84 if (ret) { 85 free(se->se_name); 86 free(se); 87 return ret; 88 } 89 SIMPLEQ_INSERT_TAIL(sh, se, se_entry); 90 *rse = se; 91 92 return 0; 93} 94 95static void 96free_src(struct src_head *sh) 97{ 98 struct src_entry *se; 99 100 while ((se = SIMPLEQ_FIRST(sh)) != NULL) { 101 SIMPLEQ_REMOVE_HEAD(sh, se_entry); 102 _db_factory_free(se->se_df); 103 free(se->se_name); 104 free(se); 105 } 106} 107 108 109#define T_COMM '#' 110static int 111convert_line(struct src_head *sh, const char *line, size_t len) 112{ 113 int ret; 114 struct src_entry *se; 115 const char *p; 116 char key1[LINE_MAX], key2[LINE_MAX], data[LINE_MAX]; 117 char *ep; 118 uint32_t val; 119 120 se = NULL; /* XXX gcc */ 121 122 /* cut off trailing comment */ 123 p = memchr(line, T_COMM, len); 124 if (p) 125 len = p - line; 126 127 /* key1 */ 128 line = _bcs_skip_ws_len(line, &len); 129 if (len == 0) 130 return 0; 131 p = _bcs_skip_nonws_len(line, &len); 132 if (p==line) 133 return 0; 134 snprintf(key1, sizeof(key1), "%.*s", (int)(p-line), line); 135 136 /* key2 */ 137 line = _bcs_skip_ws_len(p, &len); 138 if (len == 0) 139 return 0; 140 p = _bcs_skip_nonws_len(line, &len); 141 if (p==line) 142 return 0; 143 snprintf(key2, sizeof(key2), "%.*s", (int)(p-line), line); 144 145 /* data */ 146 line = _bcs_skip_ws_len(p, &len); 147 _bcs_trunc_rws_len(line, &len); 148 snprintf(data, sizeof(data), "%.*s", (int)len, line); 149 val = strtoul(data, &ep, 0); 150 if (*ep != '\0') 151 return EFTYPE; 152 153 /* insert to DB */ 154 ret = find_src(sh, &se, key1); 155 if (ret) 156 return ret; 157 158 return _db_factory_add32_by_s(se->se_df, key2, val); 159} 160 161static int 162dump_db(struct src_head *sh, struct _region *r) 163{ 164 int ret; 165 struct _db_factory *df; 166 struct src_entry *se; 167 size_t size; 168 void *ptr; 169 struct _region subr; 170 171 ret = _db_factory_create(&df, &_db_hash_std, NULL); 172 if (ret) 173 return ret; 174 175 SIMPLEQ_FOREACH(se, sh, se_entry) { 176 size = _db_factory_calc_size(se->se_df); 177 ptr = malloc(size); 178 if (ptr == NULL) 179 goto quit; 180 _region_init(&subr, ptr, size); 181 ret = _db_factory_serialize(se->se_df, _CITRUS_PIVOT_SUB_MAGIC, 182 &subr); 183 if (ret) 184 goto quit; 185 ret = _db_factory_add_by_s(df, se->se_name, &subr, 1); 186 if (ret) 187 goto quit; 188 } 189 190 size = _db_factory_calc_size(df); 191 ptr = malloc(size); 192 if (ptr == NULL) 193 goto quit; 194 _region_init(r, ptr, size); 195 196 ret = _db_factory_serialize(df, _CITRUS_PIVOT_MAGIC, r); 197 ptr = NULL; 198 199quit: 200 free(ptr); 201 _db_factory_free(df); 202 return ret; 203} 204 205int 206_citrus_pivot_factory_convert(FILE *out, FILE *in) 207{ 208 struct src_head sh; 209 struct _region r; 210 char *line; 211 size_t size; 212 int ret; 213 214 SIMPLEQ_INIT(&sh); 215 216 while ((line = fgetln(in, &size)) != NULL) 217 if ((ret = convert_line(&sh, line, size))) { 218 free_src(&sh); 219 return ret; 220 } 221 222 ret = dump_db(&sh, &r); 223 free_src(&sh); 224 if (ret) 225 return ret; 226 227 if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1) 228 return errno; 229 230 return 0; 231} 232