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         smart_str str = {0};
  79
  80         switch (type) {
  81 #if PHP_PQ_HAVE_PHP_JSON_H && defined(PHP_PQ_OID_JSON)
  82 #       ifdef PHP_PQ_OID_JSONB
  83         case PHP_PQ_OID_JSONB:
  84 #       endif
  85         case PHP_PQ_OID_JSON:
  86                 php_json_encode(&str, zobj, PHP_JSON_UNESCAPED_UNICODE);
  87                 smart_str_0(&str);
  88                 return str.s;
  89 #endif
  90
  91         case PHP_PQ_OID_DATE:
  92                 return php_pqdt_to_string(zobj, "Y-m-d");
  93
  94         case PHP_PQ_OID_ABSTIME:
  95                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s");
  96
  97         case PHP_PQ_OID_TIMESTAMP:
  98                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s.u");
  99
 100         case PHP_PQ_OID_TIMESTAMPTZ:
 101                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s.uO");
 102         }
 103
 104         return zval_get_string(zobj);
 105 }
 106
 107 struct apply_to_param_from_array_arg {
 108         php_pq_params_t *params;
 109         unsigned index;
 110         smart_str *buffer;
 111         Oid type;
 112         char delim;
 113         zval *zconv;
 114 };
 115
 116 static int apply_to_param_from_array(zval *zparam, void *arg_ptr)
 117 {
 118         struct apply_to_param_from_array_arg subarg, *arg = arg_ptr;
 119         char *tmp;
 120         size_t len;
 121         zend_string *str;
 122
 123         if (arg->index++) {
 124                 smart_str_appendc(arg->buffer, arg->delim);
 125         }
 126
 127         if (arg->zconv) {
 128                 zval ztype, rv;
 129
 130                 ZVAL_LONG(&ztype, arg->type);
 131                 zend_call_method_with_2_params(arg->zconv, NULL, NULL, "converttostring", &rv, zparam, &ztype);
 132                 str = zval_get_string(&rv);
 133                 goto append_string;
 134
 135         } else {
 136                 switch (Z_TYPE_P(zparam)) {
 137                 case IS_NULL:
 138                         smart_str_appends(arg->buffer, "NULL");
 139                         break;
 140
 141                 case IS_TRUE:
 142                         smart_str_appends(arg->buffer, "t");
 143                         break;
 144
 145                 case IS_FALSE:
 146                         smart_str_appends(arg->buffer, "f");
 147                         break;
 148
 149                 case IS_LONG:
 150                         smart_str_append_long(arg->buffer, Z_LVAL_P(zparam));
 151                         break;
 152
 153                 case IS_DOUBLE:
 154                         len = spprintf(&tmp, 0, "%F", Z_DVAL_P(zparam));
 155                         smart_str_appendl(arg->buffer, tmp, len);
 156                         efree(tmp);
 157                         break;
 158
 159                 case IS_ARRAY:
 160                         subarg = *arg;
 161                         subarg.index = 0;
 162                         smart_str_appendc(arg->buffer, '{');
 163                         zend_hash_apply_with_argument(Z_ARRVAL_P(zparam), apply_to_param_from_array, &subarg);
 164                         smart_str_appendc(arg->buffer, '}');
 165                         break;
 166
 167                 case IS_OBJECT:
 168                         if ((str = object_param_to_string(arg->params, zparam, arg->type))) {
 169                                 goto append_string;
 170                         }
 171                         /* no break */
 172                 default:
 173                         str = zval_get_string(zparam);
 174
 175                         append_string:
 176                         str = php_addslashes(str, 1);
 177                         smart_str_appendc(arg->buffer, '"');
 178                         smart_str_appendl(arg->buffer, str->val, str->len);
 179                         smart_str_appendc(arg->buffer, '"');
 180                         zend_string_release(str);
 181                         break;
 182                 }
 183         }
 184         ++arg->index;
 185         return ZEND_HASH_APPLY_KEEP;
 186 }
 187
 188 static zend_string *array_param_to_string(php_pq_params_t *p, zval *zarr, Oid type)
 189 {
 190         smart_str s = {0};
 191         struct apply_to_param_from_array_arg arg = {NULL};
 192
 193         switch (type) {
 194 #if PHP_PQ_HAVE_PHP_JSON_H && defined(PHP_PQ_OID_JSON)
 195 #       ifdef PHP_PQ_OID_JSONB
 196         case PHP_PQ_OID_JSONB:
 197 #       endif
 198         case PHP_PQ_OID_JSON:
 199                 php_json_encode(&s, zarr, PHP_JSON_UNESCAPED_UNICODE);
 200                 break;
 201 #endif
 202
 203         default:
 204                 arg.params = p;
 205                 arg.buffer = &s;
 206                 arg.type = PHP_PQ_TYPE_OF_ARRAY(type);
 207                 arg.delim = PHP_PQ_DELIM_OF_ARRAY(type);
 208                 arg.zconv = zend_hash_index_find(&p->type.conv, PHP_PQ_TYPE_OF_ARRAY(type));
 209                 smart_str_appendc(arg.buffer, '{');
 210                 SEPARATE_ZVAL(zarr);
 211                 zend_hash_apply_with_argument(Z_ARRVAL_P(zarr), apply_to_param_from_array, &arg);
 212                 zval_ptr_dtor(zarr);
 213                 smart_str_appendc(arg.buffer, '}');
 214                 break;
 215         }
 216
 217         smart_str_0(&s);
 218         return s.s;
 219 }
 220
 221 static void php_pq_params_set_param(php_pq_params_t *p, unsigned index, zval *zpp)
 222 {
 223         zval *zconv = NULL;
 224         Oid type = p->type.count > index ? p->type.oids[index] : 0;
 225
 226         if (type && (zconv = zend_hash_index_find(&p->type.conv, type))) {
 227                 zval ztype, rv;
 228
 229                 ZVAL_NULL(&rv);
 230                 ZVAL_LONG(&ztype, type);
 231                 zend_call_method_with_2_params(zconv, NULL, NULL, "converttostring", &rv, zpp, &ztype);
 232                 convert_to_string(&rv);
 233                 p->param.strings[index] = Z_STRVAL_P(&rv);
 234                 zend_hash_next_index_insert(&p->param.dtor, &rv);
 235         } else {
 236                 zval tmp;
 237                 zend_string *str = NULL;
 238                 char tmp_str[64];
 239                 size_t tmp_len = 0;
 240
 241                 switch (Z_TYPE_P(zpp)) {
 242                 case IS_NULL:
 243                         p->param.strings[index] = NULL;
 244                         return;
 245
 246                 case IS_TRUE:
 247                         p->param.strings[index] = "t";
 248                         break;
 249
 250                 case IS_FALSE:
 251                         p->param.strings[index] = "f";
 252                         return;
 253
 254                 case IS_DOUBLE:
 255                         tmp_len = slprintf(tmp_str, sizeof(tmp_str), "%F", Z_DVAL_P(zpp));
 256                         str = zend_string_init(tmp_str, tmp_len, 0);
 257                         break;
 258
 259                 case IS_ARRAY:
 260                         str = array_param_to_string(p, &tmp, type);
 261                         break;
 262
 263                 case IS_OBJECT:
 264                         if ((str = object_param_to_string(p, zpp, type))) {
 265                                 break;
 266                         }
 267                         /* no break */
 268
 269                 default:
 270                         str = zval_get_string(zpp);
 271                         break;
 272                 }
 273
 274                 if (str) {
 275                         ZVAL_STR(&tmp, str);
 276                         p->param.strings[index] = Z_STRVAL(tmp);
 277                         zend_hash_next_index_insert(&p->param.dtor, &tmp);
 278                 }
 279         }
 280 }
 281
 282 struct apply_to_params_arg {
 283         php_pq_params_t *params;
 284         unsigned index;
 285 };
 286
 287 static int apply_to_params(zval *zp, void *arg_ptr)
 288 {
 289         struct apply_to_params_arg *arg = arg_ptr;
 290
 291         SEPARATE_ZVAL_IF_NOT_REF(zp);
 292         php_pq_params_set_param(arg->params, arg->index++, zp);
 293         return ZEND_HASH_APPLY_KEEP;
 294 }
 295
 296 unsigned php_pq_params_add_param(php_pq_params_t *p, zval *param)
 297 {
 298         p->param.strings = safe_erealloc(p->param.strings, ++p->param.count, sizeof(*p->param.strings), 0);
 299         php_pq_params_set_param(p, p->param.count-1, param);
 300         return p->type.count;
 301 }
 302
 303 unsigned php_pq_params_set_params(php_pq_params_t *p, HashTable *params)
 304 {
 305         p->param.count = params ? zend_hash_num_elements(params) : 0;
 306
 307         if (p->param.strings) {
 308                 efree(p->param.strings);
 309                 p->param.strings = NULL;
 310         }
 311         zend_hash_clean(&p->param.dtor);
 312         if (p->param.count) {
 313                 struct apply_to_params_arg arg = {p, 0};
 314                 p->param.strings = ecalloc(p->param.count, sizeof(*p->param.strings));
 315                 zend_hash_apply_with_argument(params, apply_to_params, &arg);
 316         }
 317         return p->param.count;
 318 }
 319
 320 void php_pq_params_free(php_pq_params_t **p)
 321 {
 322         if (*p) {
 323                 php_pq_params_set_type_oids(*p, NULL);
 324                 php_pq_params_set_params(*p, NULL);
 325
 326                 zend_hash_destroy(&(*p)->param.dtor);
 327                 zend_hash_destroy(&(*p)->type.conv);
 328
 329                 efree(*p);
 330                 *p = NULL;
 331         }
 332 }
 333
 334 php_pq_params_t *php_pq_params_init(HashTable *conv, HashTable *oids, HashTable *params)
 335 {
 336         php_pq_params_t *p = ecalloc(1, sizeof(*p));
 337
 338         zend_hash_init(&p->type.conv, 0, NULL, ZVAL_PTR_DTOR, 0);
 339         zend_hash_init(&p->param.dtor, 0, NULL, ZVAL_PTR_DTOR, 0);
 340
 341         if (conv) {
 342                 php_pq_params_set_type_conv(p, conv);
 343         }
 344         if (oids) {
 345                 php_pq_params_set_type_oids(p, oids);
 346         }
 347         if (params) {
 348                 php_pq_params_set_params(p, params);
 349         }
 350
 351         return p;
 352 }
 353
 354 /*
 355  * Local variables:
 356  * tab-width: 4
 357  * c-basic-offset: 4
 358  * End:
 359  * vim600: noet sw=4 ts=4 fdm=marker
 360  * vim<600: noet sw=4 ts=4
 361  */