git.m6w6.name Git - m6w6/ext-pq/blob - src/php_pq_params.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: pq                                                         |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2013, Michael Wallner <mike@php.net>                 |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 #ifdef HAVE_CONFIG_H
  14 #       include "config.h"
  15 #endif
  16
  17 #include <php.h>
  18 #include <ext/standard/php_string.h>
  19 #if PHP_PQ_HAVE_PHP_JSON_H
  20 #include <php_json.h> /* we've added the include directory to INCLUDES */
  21 #endif
  22
  23 #include <Zend/zend_smart_str.h>
  24 #include <Zend/zend_interfaces.h>
  25
  26 #include <libpq-fe.h>
  27
  28 #include "php_pq.h"
  29 #include "php_pq_params.h"
  30 #include "php_pq_misc.h"
  31 #undef PHP_PQ_TYPE
  32 #include "php_pq_type.h"
  33
  34 void php_pq_params_set_type_conv(php_pq_params_t *p, HashTable *conv)
  35 {
  36         zend_hash_clean(&p->type.conv);
  37         zend_hash_copy(&p->type.conv, conv, (copy_ctor_func_t) zval_add_ref);
  38 }
  39
  40 static int apply_to_oid(zval *ztype, void *arg)
  41 {
  42         Oid **types = arg;
  43
  44         **types = zval_get_long(ztype);
  45         ++*types;
  46
  47         return ZEND_HASH_APPLY_KEEP;
  48 }
  49
  50 unsigned php_pq_params_set_type_oids(php_pq_params_t *p, HashTable *oids)
  51 {
  52         p->type.count = oids ? zend_hash_num_elements(oids) : 0;
  53
  54         if (p->type.oids) {
  55                 efree(p->type.oids);
  56                 p->type.oids = NULL;
  57         }
  58         if (p->type.count) {
  59                 Oid *ptr = ecalloc(p->type.count + 1, sizeof(*p->type.oids));
  60                 /* +1 for when less types than params are specified */
  61                 p->type.oids = ptr;
  62                 zend_hash_apply_with_argument(oids, apply_to_oid, &ptr);
  63         }
  64         return p->type.count;
  65 }
  66
  67 unsigned php_pq_params_add_type_oid(php_pq_params_t *p, Oid type)
  68 {
  69         p->type.oids = safe_erealloc(p->type.oids, ++p->type.count, sizeof(*p->type.oids), sizeof(*p->type.oids));
  70         p->type.oids[p->type.count] = 0;
  71         p->type.oids[p->type.count-1] = type;
  72         return p->type.count;
  73 }
  74
  75
  76 static zend_string *object_param_to_string(php_pq_params_t *p, zval *zobj, Oid type)
  77 {
  78 #if PHP_PQ_HAVE_PHP_JSON_H && defined(PHP_PQ_OID_JSON)
  79         smart_str str = {0};
  80 #endif
  81
  82         switch (type) {
  83 #if PHP_PQ_HAVE_PHP_JSON_H && defined(PHP_PQ_OID_JSON)
  84 #       ifdef PHP_PQ_OID_JSONB
  85         case PHP_PQ_OID_JSONB:
  86 #       endif
  87         case PHP_PQ_OID_JSON:
  88 #       if PHP_VERSION_ID >= 70100
  89                 JSON_G(encode_max_depth) = PHP_JSON_PARSER_DEFAULT_DEPTH;
  90 #       endif
  91                 php_json_encode(&str, zobj, PHP_JSON_UNESCAPED_UNICODE);
  92                 smart_str_0(&str);
  93                 return str.s;
  94 #endif
  95
  96         case PHP_PQ_OID_DATE:
  97                 return php_pqdt_to_string(zobj, "Y-m-d");
  98
  99         case PHP_PQ_OID_ABSTIME:
 100                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s");
 101
 102         case PHP_PQ_OID_TIMESTAMP:
 103                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s.u");
 104
 105         case PHP_PQ_OID_TIMESTAMPTZ:
 106                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s.uO");
 107         }
 108
 109         return zval_get_string(zobj);
 110 }
 111
 112 struct apply_to_param_from_array_arg {
 113         php_pq_params_t *params;
 114         unsigned index;
 115         smart_str *buffer;
 116         Oid type;
 117         char delim;
 118         zval *zconv;
 119 };
 120
 121 static int apply_to_param_from_array(zval *zparam, void *arg_ptr)
 122 {
 123         struct apply_to_param_from_array_arg subarg, *arg = arg_ptr;
 124         char *tmp;
 125         size_t len;
 126         zend_string *str;
 127
 128         if (arg->index++) {
 129                 smart_str_appendc(arg->buffer, arg->delim);
 130         }
 131
 132         if (arg->zconv) {
 133                 zval ztype, rv;
 134
 135                 ZVAL_LONG(&ztype, arg->type);
 136                 zend_call_method_with_2_params(arg->zconv, NULL, NULL, "converttostring", &rv, zparam, &ztype);
 137                 str = zval_get_string(&rv);
 138                 zval_ptr_dtor(&rv);
 139                 goto append_string;
 140
 141         } else {
 142                 again:
 143                 switch (Z_TYPE_P(zparam)) {
 144                 case IS_REFERENCE:
 145                         ZVAL_DEREF(zparam);
 146                         goto again;
 147
 148                 case IS_NULL:
 149                         smart_str_appends(arg->buffer, "NULL");
 150                         break;
 151
 152                 case IS_TRUE:
 153                         smart_str_appends(arg->buffer, "t");
 154                         break;
 155
 156                 case IS_FALSE:
 157                         smart_str_appends(arg->buffer, "f");
 158                         break;
 159
 160                 case IS_LONG:
 161                         smart_str_append_long(arg->buffer, Z_LVAL_P(zparam));
 162                         break;
 163
 164                 case IS_DOUBLE:
 165                         len = spprintf(&tmp, 0, "%F", Z_DVAL_P(zparam));
 166                         smart_str_appendl(arg->buffer, tmp, len);
 167                         efree(tmp);
 168                         break;
 169
 170                 case IS_ARRAY:
 171                         subarg = *arg;
 172                         subarg.index = 0;
 173                         smart_str_appendc(arg->buffer, '{');
 174                         zend_hash_apply_with_argument(Z_ARRVAL_P(zparam), apply_to_param_from_array, &subarg);
 175                         smart_str_appendc(arg->buffer, '}');
 176                         break;
 177
 178                 case IS_OBJECT:
 179                         if ((str = object_param_to_string(arg->params, zparam, arg->type))) {
 180                                 goto append_string;
 181                         }
 182                         /* no break */
 183                 default:
 184                         str = zval_get_string(zparam);
 185
 186                         append_string:
 187                         str = php_addslashes(str, 1);
 188                         smart_str_appendc(arg->buffer, '"');
 189                         smart_str_appendl(arg->buffer, str->val, str->len);
 190                         smart_str_appendc(arg->buffer, '"');
 191                         zend_string_release(str);
 192                         break;
 193                 }
 194         }
 195         ++arg->index;
 196         return ZEND_HASH_APPLY_KEEP;
 197 }
 198
 199 static zend_string *array_param_to_string(php_pq_params_t *p, zval *zarr, Oid type)
 200 {
 201         smart_str s = {0};
 202         struct apply_to_param_from_array_arg arg = {NULL};
 203
 204         switch (type) {
 205 #if PHP_PQ_HAVE_PHP_JSON_H && defined(PHP_PQ_OID_JSON)
 206 #       ifdef PHP_PQ_OID_JSONB
 207         case PHP_PQ_OID_JSONB:
 208 #       endif
 209         case PHP_PQ_OID_JSON:
 210                 php_json_encode(&s, zarr, PHP_JSON_UNESCAPED_UNICODE);
 211                 break;
 212 #endif
 213
 214         default:
 215                 arg.params = p;
 216                 arg.buffer = &s;
 217                 arg.type = PHP_PQ_TYPE_OF_ARRAY(type);
 218                 arg.delim = PHP_PQ_DELIM_OF_ARRAY(type);
 219                 arg.zconv = zend_hash_index_find(&p->type.conv, PHP_PQ_TYPE_OF_ARRAY(type));
 220                 smart_str_appendc(arg.buffer, '{');
 221                 SEPARATE_ZVAL(zarr);
 222                 zend_hash_apply_with_argument(Z_ARRVAL_P(zarr), apply_to_param_from_array, &arg);
 223                 smart_str_appendc(arg.buffer, '}');
 224                 break;
 225         }
 226
 227         smart_str_0(&s);
 228         return s.s;
 229 }
 230
 231 static void php_pq_params_set_param(php_pq_params_t *p, unsigned index, zval *zpp)
 232 {
 233         zval *zconv = NULL;
 234         Oid type = p->type.count > index ? p->type.oids[index] : 0;
 235
 236         if (type && (zconv = zend_hash_index_find(&p->type.conv, type))) {
 237                 zval ztype, rv;
 238
 239                 ZVAL_NULL(&rv);
 240                 ZVAL_LONG(&ztype, type);
 241                 zend_call_method_with_2_params(zconv, NULL, NULL, "converttostring", &rv, zpp, &ztype);
 242                 convert_to_string(&rv);
 243                 p->param.strings[index] = Z_STRVAL_P(&rv);
 244                 zend_hash_next_index_insert(&p->param.dtor, &rv);
 245         } else {
 246                 zval tmp;
 247                 zend_string *str = NULL;
 248                 char tmp_str[64];
 249                 size_t tmp_len = 0;
 250
 251                 again:
 252                 switch (Z_TYPE_P(zpp)) {
 253                 case IS_REFERENCE:
 254                         ZVAL_DEREF(zpp);
 255                         goto again;
 256
 257                 case IS_NULL:
 258                         p->param.strings[index] = NULL;
 259                         return;
 260
 261                 case IS_TRUE:
 262                         p->param.strings[index] = "t";
 263                         break;
 264
 265                 case IS_FALSE:
 266                         p->param.strings[index] = "f";
 267                         return;
 268
 269                 case IS_DOUBLE:
 270                         tmp_len = slprintf(tmp_str, sizeof(tmp_str), "%F", Z_DVAL_P(zpp));
 271                         str = zend_string_init(tmp_str, tmp_len, 0);
 272                         break;
 273
 274                 case IS_ARRAY:
 275                         str = array_param_to_string(p, zpp, type);
 276                         break;
 277
 278                 case IS_OBJECT:
 279                         if ((str = object_param_to_string(p, zpp, type))) {
 280                                 break;
 281                         }
 282                         /* no break */
 283                 default:
 284                         str = zval_get_string(zpp);
 285                         break;
 286                 }
 287
 288                 if (str) {
 289                         ZVAL_STR(&tmp, str);
 290                         p->param.strings[index] = Z_STRVAL(tmp);
 291                         zend_hash_next_index_insert(&p->param.dtor, &tmp);
 292                 }
 293         }
 294 }
 295
 296 struct apply_to_params_arg {
 297         php_pq_params_t *params;
 298         unsigned index;
 299 };
 300
 301 static int apply_to_params(zval *zp, void *arg_ptr)
 302 {
 303         struct apply_to_params_arg *arg = arg_ptr;
 304
 305         SEPARATE_ZVAL_IF_NOT_REF(zp);
 306         php_pq_params_set_param(arg->params, arg->index++, zp);
 307         return ZEND_HASH_APPLY_KEEP;
 308 }
 309
 310 unsigned php_pq_params_add_param(php_pq_params_t *p, zval *param)
 311 {
 312         p->param.strings = safe_erealloc(p->param.strings, ++p->param.count, sizeof(*p->param.strings), 0);
 313         php_pq_params_set_param(p, p->param.count-1, param);
 314         return p->type.count;
 315 }
 316
 317 unsigned php_pq_params_set_params(php_pq_params_t *p, HashTable *params)
 318 {
 319         p->param.count = params ? zend_hash_num_elements(params) : 0;
 320
 321         if (p->param.strings) {
 322                 efree(p->param.strings);
 323                 p->param.strings = NULL;
 324         }
 325         zend_hash_clean(&p->param.dtor);
 326         if (p->param.count) {
 327                 struct apply_to_params_arg arg = {p, 0};
 328                 p->param.strings = ecalloc(p->param.count, sizeof(*p->param.strings));
 329                 zend_hash_apply_with_argument(params, apply_to_params, &arg);
 330         }
 331         return p->param.count;
 332 }
 333
 334 void php_pq_params_free(php_pq_params_t **p)
 335 {
 336         if (*p) {
 337                 php_pq_params_set_type_oids(*p, NULL);
 338                 php_pq_params_set_params(*p, NULL);
 339
 340                 zend_hash_destroy(&(*p)->param.dtor);
 341                 zend_hash_destroy(&(*p)->type.conv);
 342
 343                 efree(*p);
 344                 *p = NULL;
 345         }
 346 }
 347
 348 php_pq_params_t *php_pq_params_init(HashTable *conv, HashTable *oids, HashTable *params)
 349 {
 350         php_pq_params_t *p = ecalloc(1, sizeof(*p));
 351
 352         zend_hash_init(&p->type.conv, 0, NULL, ZVAL_PTR_DTOR, 0);
 353         zend_hash_init(&p->param.dtor, 0, NULL, ZVAL_PTR_DTOR, 0);
 354
 355         if (conv) {
 356                 php_pq_params_set_type_conv(p, conv);
 357         }
 358         if (oids) {
 359                 php_pq_params_set_type_oids(p, oids);
 360         }
 361         if (params) {
 362                 php_pq_params_set_params(p, params);
 363         }
 364
 365         return p;
 366 }
 367
 368 /*
 369  * Local variables:
 370  * tab-width: 4
 371  * c-basic-offset: 4
 372  * End:
 373  * vim600: noet sw=4 ts=4 fdm=marker
 374  * vim<600: noet sw=4 ts=4
 375  */