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                 zval_ptr_dtor(&rv);
 134                 goto append_string;
 135
 136         } else {
 137                 again:
 138                 switch (Z_TYPE_P(zparam)) {
 139                 case IS_REFERENCE:
 140                         ZVAL_DEREF(zparam);
 141                         goto again;
 142
 143                 case IS_NULL:
 144                         smart_str_appends(arg->buffer, "NULL");
 145                         break;
 146
 147                 case IS_TRUE:
 148                         smart_str_appends(arg->buffer, "t");
 149                         break;
 150
 151                 case IS_FALSE:
 152                         smart_str_appends(arg->buffer, "f");
 153                         break;
 154
 155                 case IS_LONG:
 156                         smart_str_append_long(arg->buffer, Z_LVAL_P(zparam));
 157                         break;
 158
 159                 case IS_DOUBLE:
 160                         len = spprintf(&tmp, 0, "%F", Z_DVAL_P(zparam));
 161                         smart_str_appendl(arg->buffer, tmp, len);
 162                         efree(tmp);
 163                         break;
 164
 165                 case IS_ARRAY:
 166                         subarg = *arg;
 167                         subarg.index = 0;
 168                         smart_str_appendc(arg->buffer, '{');
 169                         zend_hash_apply_with_argument(Z_ARRVAL_P(zparam), apply_to_param_from_array, &subarg);
 170                         smart_str_appendc(arg->buffer, '}');
 171                         break;
 172
 173                 case IS_OBJECT:
 174                         if ((str = object_param_to_string(arg->params, zparam, arg->type))) {
 175                                 goto append_string;
 176                         }
 177                         /* no break */
 178                 default:
 179                         str = zval_get_string(zparam);
 180
 181                         append_string:
 182                         str = php_addslashes(str, 1);
 183                         smart_str_appendc(arg->buffer, '"');
 184                         smart_str_appendl(arg->buffer, str->val, str->len);
 185                         smart_str_appendc(arg->buffer, '"');
 186                         zend_string_release(str);
 187                         break;
 188                 }
 189         }
 190         ++arg->index;
 191         return ZEND_HASH_APPLY_KEEP;
 192 }
 193
 194 static zend_string *array_param_to_string(php_pq_params_t *p, zval *zarr, Oid type)
 195 {
 196         smart_str s = {0};
 197         struct apply_to_param_from_array_arg arg = {NULL};
 198
 199         switch (type) {
 200 #if PHP_PQ_HAVE_PHP_JSON_H && defined(PHP_PQ_OID_JSON)
 201 #       ifdef PHP_PQ_OID_JSONB
 202         case PHP_PQ_OID_JSONB:
 203 #       endif
 204         case PHP_PQ_OID_JSON:
 205                 php_json_encode(&s, zarr, PHP_JSON_UNESCAPED_UNICODE);
 206                 break;
 207 #endif
 208
 209         default:
 210                 arg.params = p;
 211                 arg.buffer = &s;
 212                 arg.type = PHP_PQ_TYPE_OF_ARRAY(type);
 213                 arg.delim = PHP_PQ_DELIM_OF_ARRAY(type);
 214                 arg.zconv = zend_hash_index_find(&p->type.conv, PHP_PQ_TYPE_OF_ARRAY(type));
 215                 smart_str_appendc(arg.buffer, '{');
 216                 SEPARATE_ZVAL(zarr);
 217                 zend_hash_apply_with_argument(Z_ARRVAL_P(zarr), apply_to_param_from_array, &arg);
 218                 smart_str_appendc(arg.buffer, '}');
 219                 break;
 220         }
 221
 222         smart_str_0(&s);
 223         return s.s;
 224 }
 225
 226 static void php_pq_params_set_param(php_pq_params_t *p, unsigned index, zval *zpp)
 227 {
 228         zval *zconv = NULL;
 229         Oid type = p->type.count > index ? p->type.oids[index] : 0;
 230
 231         if (type && (zconv = zend_hash_index_find(&p->type.conv, type))) {
 232                 zval ztype, rv;
 233
 234                 ZVAL_NULL(&rv);
 235                 ZVAL_LONG(&ztype, type);
 236                 zend_call_method_with_2_params(zconv, NULL, NULL, "converttostring", &rv, zpp, &ztype);
 237                 convert_to_string(&rv);
 238                 p->param.strings[index] = Z_STRVAL_P(&rv);
 239                 zend_hash_next_index_insert(&p->param.dtor, &rv);
 240         } else {
 241                 zval tmp;
 242                 zend_string *str = NULL;
 243                 char tmp_str[64];
 244                 size_t tmp_len = 0;
 245
 246                 again:
 247                 switch (Z_TYPE_P(zpp)) {
 248                 case IS_REFERENCE:
 249                         ZVAL_DEREF(zpp);
 250                         goto again;
 251
 252                 case IS_NULL:
 253                         p->param.strings[index] = NULL;
 254                         return;
 255
 256                 case IS_TRUE:
 257                         p->param.strings[index] = "t";
 258                         break;
 259
 260                 case IS_FALSE:
 261                         p->param.strings[index] = "f";
 262                         return;
 263
 264                 case IS_DOUBLE:
 265                         tmp_len = slprintf(tmp_str, sizeof(tmp_str), "%F", Z_DVAL_P(zpp));
 266                         str = zend_string_init(tmp_str, tmp_len, 0);
 267                         break;
 268
 269                 case IS_ARRAY:
 270                         str = array_param_to_string(p, zpp, type);
 271                         break;
 272
 273                 case IS_OBJECT:
 274                         if ((str = object_param_to_string(p, zpp, type))) {
 275                                 break;
 276                         }
 277                         /* no break */
 278                 default:
 279                         str = zval_get_string(zpp);
 280                         break;
 281                 }
 282
 283                 if (str) {
 284                         ZVAL_STR(&tmp, str);
 285                         p->param.strings[index] = Z_STRVAL(tmp);
 286                         zend_hash_next_index_insert(&p->param.dtor, &tmp);
 287                 }
 288         }
 289 }
 290
 291 struct apply_to_params_arg {
 292         php_pq_params_t *params;
 293         unsigned index;
 294 };
 295
 296 static int apply_to_params(zval *zp, void *arg_ptr)
 297 {
 298         struct apply_to_params_arg *arg = arg_ptr;
 299
 300         SEPARATE_ZVAL_IF_NOT_REF(zp);
 301         php_pq_params_set_param(arg->params, arg->index++, zp);
 302         return ZEND_HASH_APPLY_KEEP;
 303 }
 304
 305 unsigned php_pq_params_add_param(php_pq_params_t *p, zval *param)
 306 {
 307         p->param.strings = safe_erealloc(p->param.strings, ++p->param.count, sizeof(*p->param.strings), 0);
 308         php_pq_params_set_param(p, p->param.count-1, param);
 309         return p->type.count;
 310 }
 311
 312 unsigned php_pq_params_set_params(php_pq_params_t *p, HashTable *params)
 313 {
 314         p->param.count = params ? zend_hash_num_elements(params) : 0;
 315
 316         if (p->param.strings) {
 317                 efree(p->param.strings);
 318                 p->param.strings = NULL;
 319         }
 320         zend_hash_clean(&p->param.dtor);
 321         if (p->param.count) {
 322                 struct apply_to_params_arg arg = {p, 0};
 323                 p->param.strings = ecalloc(p->param.count, sizeof(*p->param.strings));
 324                 zend_hash_apply_with_argument(params, apply_to_params, &arg);
 325         }
 326         return p->param.count;
 327 }
 328
 329 void php_pq_params_free(php_pq_params_t **p)
 330 {
 331         if (*p) {
 332                 php_pq_params_set_type_oids(*p, NULL);
 333                 php_pq_params_set_params(*p, NULL);
 334
 335                 zend_hash_destroy(&(*p)->param.dtor);
 336                 zend_hash_destroy(&(*p)->type.conv);
 337
 338                 efree(*p);
 339                 *p = NULL;
 340         }
 341 }
 342
 343 php_pq_params_t *php_pq_params_init(HashTable *conv, HashTable *oids, HashTable *params)
 344 {
 345         php_pq_params_t *p = ecalloc(1, sizeof(*p));
 346
 347         zend_hash_init(&p->type.conv, 0, NULL, ZVAL_PTR_DTOR, 0);
 348         zend_hash_init(&p->param.dtor, 0, NULL, ZVAL_PTR_DTOR, 0);
 349
 350         if (conv) {
 351                 php_pq_params_set_type_conv(p, conv);
 352         }
 353         if (oids) {
 354                 php_pq_params_set_type_oids(p, oids);
 355         }
 356         if (params) {
 357                 php_pq_params_set_params(p, params);
 358         }
 359
 360         return p;
 361 }
 362
 363 /*
 364  * Local variables:
 365  * tab-width: 4
 366  * c-basic-offset: 4
 367  * End:
 368  * vim600: noet sw=4 ts=4 fdm=marker
 369  * vim<600: noet sw=4 ts=4
 370  */