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 #       if PHP_VERSION_ID >= 70100
  87                 JSON_G(encode_max_depth) = PHP_JSON_PARSER_DEFAULT_DEPTH;
  88 #       endif
  89                 php_json_encode(&str, zobj, PHP_JSON_UNESCAPED_UNICODE);
  90                 smart_str_0(&str);
  91                 return str.s;
  92 #endif
  93
  94         case PHP_PQ_OID_DATE:
  95                 return php_pqdt_to_string(zobj, "Y-m-d");
  96
  97         case PHP_PQ_OID_ABSTIME:
  98                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s");
  99
 100         case PHP_PQ_OID_TIMESTAMP:
 101                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s.u");
 102
 103         case PHP_PQ_OID_TIMESTAMPTZ:
 104                 return php_pqdt_to_string(zobj, "Y-m-d H:i:s.uO");
 105         }
 106
 107         return zval_get_string(zobj);
 108 }
 109
 110 struct apply_to_param_from_array_arg {
 111         php_pq_params_t *params;
 112         unsigned index;
 113         smart_str *buffer;
 114         Oid type;
 115         char delim;
 116         zval *zconv;
 117 };
 118
 119 static int apply_to_param_from_array(zval *zparam, void *arg_ptr)
 120 {
 121         struct apply_to_param_from_array_arg subarg, *arg = arg_ptr;
 122         char *tmp;
 123         size_t len;
 124         zend_string *str;
 125
 126         if (arg->index++) {
 127                 smart_str_appendc(arg->buffer, arg->delim);
 128         }
 129
 130         if (arg->zconv) {
 131                 zval ztype, rv;
 132
 133                 ZVAL_LONG(&ztype, arg->type);
 134                 zend_call_method_with_2_params(arg->zconv, NULL, NULL, "converttostring", &rv, zparam, &ztype);
 135                 str = zval_get_string(&rv);
 136                 zval_ptr_dtor(&rv);
 137                 goto append_string;
 138
 139         } else {
 140                 again:
 141                 switch (Z_TYPE_P(zparam)) {
 142                 case IS_REFERENCE:
 143                         ZVAL_DEREF(zparam);
 144                         goto again;
 145
 146                 case IS_NULL:
 147                         smart_str_appends(arg->buffer, "NULL");
 148                         break;
 149
 150                 case IS_TRUE:
 151                         smart_str_appends(arg->buffer, "t");
 152                         break;
 153
 154                 case IS_FALSE:
 155                         smart_str_appends(arg->buffer, "f");
 156                         break;
 157
 158                 case IS_LONG:
 159                         smart_str_append_long(arg->buffer, Z_LVAL_P(zparam));
 160                         break;
 161
 162                 case IS_DOUBLE:
 163                         len = spprintf(&tmp, 0, "%F", Z_DVAL_P(zparam));
 164                         smart_str_appendl(arg->buffer, tmp, len);
 165                         efree(tmp);
 166                         break;
 167
 168                 case IS_ARRAY:
 169                         subarg = *arg;
 170                         subarg.index = 0;
 171                         smart_str_appendc(arg->buffer, '{');
 172                         zend_hash_apply_with_argument(Z_ARRVAL_P(zparam), apply_to_param_from_array, &subarg);
 173                         smart_str_appendc(arg->buffer, '}');
 174                         break;
 175
 176                 case IS_OBJECT:
 177                         if ((str = object_param_to_string(arg->params, zparam, arg->type))) {
 178                                 goto append_string;
 179                         }
 180                         /* no break */
 181                 default:
 182                         str = zval_get_string(zparam);
 183
 184                         append_string:
 185                         str = php_addslashes(str, 1);
 186                         smart_str_appendc(arg->buffer, '"');
 187                         smart_str_appendl(arg->buffer, str->val, str->len);
 188                         smart_str_appendc(arg->buffer, '"');
 189                         zend_string_release(str);
 190                         break;
 191                 }
 192         }
 193         ++arg->index;
 194         return ZEND_HASH_APPLY_KEEP;
 195 }
 196
 197 static zend_string *array_param_to_string(php_pq_params_t *p, zval *zarr, Oid type)
 198 {
 199         smart_str s = {0};
 200         struct apply_to_param_from_array_arg arg = {NULL};
 201
 202         switch (type) {
 203 #if PHP_PQ_HAVE_PHP_JSON_H && defined(PHP_PQ_OID_JSON)
 204 #       ifdef PHP_PQ_OID_JSONB
 205         case PHP_PQ_OID_JSONB:
 206 #       endif
 207         case PHP_PQ_OID_JSON:
 208                 php_json_encode(&s, zarr, PHP_JSON_UNESCAPED_UNICODE);
 209                 break;
 210 #endif
 211
 212         default:
 213                 arg.params = p;
 214                 arg.buffer = &s;
 215                 arg.type = PHP_PQ_TYPE_OF_ARRAY(type);
 216                 arg.delim = PHP_PQ_DELIM_OF_ARRAY(type);
 217                 arg.zconv = zend_hash_index_find(&p->type.conv, PHP_PQ_TYPE_OF_ARRAY(type));
 218                 smart_str_appendc(arg.buffer, '{');
 219                 SEPARATE_ZVAL(zarr);
 220                 zend_hash_apply_with_argument(Z_ARRVAL_P(zarr), apply_to_param_from_array, &arg);
 221                 smart_str_appendc(arg.buffer, '}');
 222                 break;
 223         }
 224
 225         smart_str_0(&s);
 226         return s.s;
 227 }
 228
 229 static void php_pq_params_set_param(php_pq_params_t *p, unsigned index, zval *zpp)
 230 {
 231         zval *zconv = NULL;
 232         Oid type = p->type.count > index ? p->type.oids[index] : 0;
 233
 234         if (type && (zconv = zend_hash_index_find(&p->type.conv, type))) {
 235                 zval ztype, rv;
 236
 237                 ZVAL_NULL(&rv);
 238                 ZVAL_LONG(&ztype, type);
 239                 zend_call_method_with_2_params(zconv, NULL, NULL, "converttostring", &rv, zpp, &ztype);
 240                 convert_to_string(&rv);
 241                 p->param.strings[index] = Z_STRVAL_P(&rv);
 242                 zend_hash_next_index_insert(&p->param.dtor, &rv);
 243         } else {
 244                 zval tmp;
 245                 zend_string *str = NULL;
 246                 char tmp_str[64];
 247                 size_t tmp_len = 0;
 248
 249                 again:
 250                 switch (Z_TYPE_P(zpp)) {
 251                 case IS_REFERENCE:
 252                         ZVAL_DEREF(zpp);
 253                         goto again;
 254
 255                 case IS_NULL:
 256                         p->param.strings[index] = NULL;
 257                         return;
 258
 259                 case IS_TRUE:
 260                         p->param.strings[index] = "t";
 261                         break;
 262
 263                 case IS_FALSE:
 264                         p->param.strings[index] = "f";
 265                         return;
 266
 267                 case IS_DOUBLE:
 268                         tmp_len = slprintf(tmp_str, sizeof(tmp_str), "%F", Z_DVAL_P(zpp));
 269                         str = zend_string_init(tmp_str, tmp_len, 0);
 270                         break;
 271
 272                 case IS_ARRAY:
 273                         str = array_param_to_string(p, zpp, type);
 274                         break;
 275
 276                 case IS_OBJECT:
 277                         if ((str = object_param_to_string(p, zpp, type))) {
 278                                 break;
 279                         }
 280                         /* no break */
 281                 default:
 282                         str = zval_get_string(zpp);
 283                         break;
 284                 }
 285
 286                 if (str) {
 287                         ZVAL_STR(&tmp, str);
 288                         p->param.strings[index] = Z_STRVAL(tmp);
 289                         zend_hash_next_index_insert(&p->param.dtor, &tmp);
 290                 }
 291         }
 292 }
 293
 294 struct apply_to_params_arg {
 295         php_pq_params_t *params;
 296         unsigned index;
 297 };
 298
 299 static int apply_to_params(zval *zp, void *arg_ptr)
 300 {
 301         struct apply_to_params_arg *arg = arg_ptr;
 302
 303         SEPARATE_ZVAL_IF_NOT_REF(zp);
 304         php_pq_params_set_param(arg->params, arg->index++, zp);
 305         return ZEND_HASH_APPLY_KEEP;
 306 }
 307
 308 unsigned php_pq_params_add_param(php_pq_params_t *p, zval *param)
 309 {
 310         p->param.strings = safe_erealloc(p->param.strings, ++p->param.count, sizeof(*p->param.strings), 0);
 311         php_pq_params_set_param(p, p->param.count-1, param);
 312         return p->type.count;
 313 }
 314
 315 unsigned php_pq_params_set_params(php_pq_params_t *p, HashTable *params)
 316 {
 317         p->param.count = params ? zend_hash_num_elements(params) : 0;
 318
 319         if (p->param.strings) {
 320                 efree(p->param.strings);
 321                 p->param.strings = NULL;
 322         }
 323         zend_hash_clean(&p->param.dtor);
 324         if (p->param.count) {
 325                 struct apply_to_params_arg arg = {p, 0};
 326                 p->param.strings = ecalloc(p->param.count, sizeof(*p->param.strings));
 327                 zend_hash_apply_with_argument(params, apply_to_params, &arg);
 328         }
 329         return p->param.count;
 330 }
 331
 332 void php_pq_params_free(php_pq_params_t **p)
 333 {
 334         if (*p) {
 335                 php_pq_params_set_type_oids(*p, NULL);
 336                 php_pq_params_set_params(*p, NULL);
 337
 338                 zend_hash_destroy(&(*p)->param.dtor);
 339                 zend_hash_destroy(&(*p)->type.conv);
 340
 341                 efree(*p);
 342                 *p = NULL;
 343         }
 344 }
 345
 346 php_pq_params_t *php_pq_params_init(HashTable *conv, HashTable *oids, HashTable *params)
 347 {
 348         php_pq_params_t *p = ecalloc(1, sizeof(*p));
 349
 350         zend_hash_init(&p->type.conv, 0, NULL, ZVAL_PTR_DTOR, 0);
 351         zend_hash_init(&p->param.dtor, 0, NULL, ZVAL_PTR_DTOR, 0);
 352
 353         if (conv) {
 354                 php_pq_params_set_type_conv(p, conv);
 355         }
 356         if (oids) {
 357                 php_pq_params_set_type_oids(p, oids);
 358         }
 359         if (params) {
 360                 php_pq_params_set_params(p, params);
 361         }
 362
 363         return p;
 364 }
 365
 366 /*
 367  * Local variables:
 368  * tab-width: 4
 369  * c-basic-offset: 4
 370  * End:
 371  * vim600: noet sw=4 ts=4 fdm=marker
 372  * vim<600: noet sw=4 ts=4
 373  */