diff options
Diffstat (limited to 'ext/sqlite/sqlite.c')
-rw-r--r-- | ext/sqlite/sqlite.c | 1790 |
1 files changed, 0 insertions, 1790 deletions
diff --git a/ext/sqlite/sqlite.c b/ext/sqlite/sqlite.c deleted file mode 100644 index f104167b92..0000000000 --- a/ext/sqlite/sqlite.c +++ /dev/null @@ -1,1790 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2003 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Wez Furlong <wez@thebrainroom.com> | - | Tal Peer <tal@php.net> | - | Marcus Boerger <helly@php.net> | - +----------------------------------------------------------------------+ - - $Id$ -*/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#define PHP_SQLITE_MODULE_VERSION "0.9b" - -#include "php.h" -#include "php_ini.h" -#include "ext/standard/info.h" -#include "php_sqlite.h" - -#if HAVE_TIME_H -# include <time.h> -#endif -#include <unistd.h> - -#include <sqlite.h> - -#ifndef safe_emalloc -#define safe_emalloc(a,b,c) emalloc((a)*(b)+(c)) -#endif - -#ifndef OnUpdateLong -# define OnUpdateLong OnUpdateInt -#endif - -ZEND_DECLARE_MODULE_GLOBALS(sqlite) - -extern int sqlite_encode_binary(const unsigned char *in, int n, unsigned char *out); -extern int sqlite_decode_binary(const unsigned char *in, unsigned char *out); - -static unsigned char arg3_force_ref[] = {3, BYREF_NONE, BYREF_NONE, BYREF_FORCE }; - -static int le_sqlite_db, le_sqlite_result, le_sqlite_pdb; - -static inline void php_sqlite_strtoupper(char *s) -{ - while (*s!='\0') { - *s = toupper(*s); - s++; - } -} - -static inline void php_sqlite_strtolower(char *s) -{ - while (*s!='\0') { - *s = tolower(*s); - s++; - } -} - -/* {{{ PHP_INI - */ -PHP_INI_BEGIN() -STD_PHP_INI_ENTRY_EX("sqlite.assoc_case", "0", PHP_INI_ALL, OnUpdateLong, assoc_case, zend_sqlite_globals, sqlite_globals, display_link_numbers) -PHP_INI_END() -/* }}} */ - - -#define DB_FROM_ZVAL(db, zv) ZEND_FETCH_RESOURCE2(db, struct php_sqlite_db *, zv, -1, "sqlite database", le_sqlite_db, le_sqlite_pdb) - -struct php_sqlite_result { - struct php_sqlite_db *db; - sqlite_vm *vm; - int buffered; - int ncolumns; - int nrows; - int curr_row; - char **col_names; - int alloc_rows; - char **table; - int mode; -}; - -struct php_sqlite_db { - sqlite *db; - int last_err_code; - int is_persistent; - int rsrc_id; - - HashTable callbacks; -}; - -struct php_sqlite_agg_functions { - struct php_sqlite_db *db; - int is_valid; - zval *step; - zval *fini; -}; - - -enum { PHPSQLITE_ASSOC = 1, PHPSQLITE_NUM = 2, PHPSQLITE_BOTH = PHPSQLITE_ASSOC|PHPSQLITE_NUM }; - -function_entry sqlite_functions[] = { - PHP_FE(sqlite_open, arg3_force_ref) - PHP_FE(sqlite_popen, arg3_force_ref) - PHP_FE(sqlite_close, NULL) - PHP_FE(sqlite_query, NULL) - PHP_FE(sqlite_array_query, NULL) - PHP_FE(sqlite_fetch_array, NULL) - PHP_FE(sqlite_fetch_string, NULL) - PHP_FE(sqlite_fetch_all, NULL) - PHP_FE(sqlite_current, NULL) - PHP_FE(sqlite_column, NULL) - PHP_FE(sqlite_libversion, NULL) - PHP_FE(sqlite_libencoding, NULL) - PHP_FE(sqlite_changes, NULL) - PHP_FE(sqlite_last_insert_rowid, NULL) - PHP_FE(sqlite_num_rows, NULL) - PHP_FE(sqlite_num_fields, NULL) - PHP_FE(sqlite_field_name, NULL) - PHP_FE(sqlite_seek, NULL) - PHP_FE(sqlite_rewind, NULL) - PHP_FE(sqlite_next, NULL) - PHP_FE(sqlite_has_more, NULL) - PHP_FE(sqlite_escape_string, NULL) - PHP_FE(sqlite_busy_timeout, NULL) - PHP_FE(sqlite_last_error, NULL) - PHP_FE(sqlite_error_string, NULL) - PHP_FE(sqlite_unbuffered_query, NULL) - PHP_FE(sqlite_create_aggregate, NULL) - PHP_FE(sqlite_create_function, NULL) - {NULL, NULL, NULL} -}; - - -zend_module_entry sqlite_module_entry = { -#if ZEND_MODULE_API_NO >= 20010901 - STANDARD_MODULE_HEADER, -#endif - "sqlite", - sqlite_functions, - PHP_MINIT(sqlite), - NULL, - NULL, - PHP_RSHUTDOWN(sqlite), - PHP_MINFO(sqlite), -#if ZEND_MODULE_API_NO >= 20010901 - PHP_SQLITE_MODULE_VERSION, -#endif - STANDARD_MODULE_PROPERTIES -}; - - -#ifdef COMPILE_DL_SQLITE -ZEND_GET_MODULE(sqlite) -#endif - -static int php_sqlite_callback_invalidator(struct php_sqlite_agg_functions *funcs TSRMLS_DC) -{ - if (!funcs->is_valid) { - return 0; - } - - if (funcs->step) { - zval_ptr_dtor(&funcs->step); - funcs->step = NULL; - } - - if (funcs->fini) { - zval_ptr_dtor(&funcs->fini); - funcs->fini = NULL; - } - - funcs->is_valid = 0; - - return 0; -} - - -static void php_sqlite_callback_dtor(void *pDest) -{ - struct php_sqlite_agg_functions *funcs = (struct php_sqlite_agg_functions*)pDest; - - if (funcs->is_valid) { - TSRMLS_FETCH(); - - php_sqlite_callback_invalidator(funcs TSRMLS_CC); - } -} - -static ZEND_RSRC_DTOR_FUNC(php_sqlite_db_dtor) -{ - if (rsrc->ptr) { - struct php_sqlite_db *db = (struct php_sqlite_db*)rsrc->ptr; - sqlite_close(db->db); - - zend_hash_destroy(&db->callbacks); - - pefree(db, db->is_persistent); - - rsrc->ptr = NULL; - } -} - -static void real_result_dtor(struct php_sqlite_result *res TSRMLS_DC) -{ - int i, j, base; - - if (res->vm) { - sqlite_finalize(res->vm, NULL); - } - - if (res->table) { - if (!res->buffered && res->nrows) { - res->nrows = 1; /* only one row is stored */ - } - for (i = 0; i < res->nrows; i++) { - base = i * res->ncolumns; - for (j = 0; j < res->ncolumns; j++) { - if (res->table[base + j] != NULL) { - efree(res->table[base + j]); - } - } - } - efree(res->table); - } - if (res->col_names) { - for (j = 0; j < res->ncolumns; j++) { - efree(res->col_names[j]); - } - efree(res->col_names); - } - - zend_list_delete(res->db->rsrc_id); - efree(res); -} - -static ZEND_RSRC_DTOR_FUNC(php_sqlite_result_dtor) -{ - struct php_sqlite_result *res = (struct php_sqlite_result *)rsrc->ptr; - real_result_dtor(res TSRMLS_CC); -} - -static int php_sqlite_forget_persistent_id_numbers(zend_rsrc_list_entry *rsrc TSRMLS_DC) -{ - struct php_sqlite_db *db; - - if (Z_TYPE_P(rsrc) != le_sqlite_pdb) { - return 0; - } - - db = (struct php_sqlite_db*)rsrc->ptr; - - db->rsrc_id = FAILURE; - - /* don't leave pending commits hanging around */ - sqlite_exec(db->db, "ROLLBACK", NULL, NULL, NULL); - - /* prevent bad mojo if someone tries to use a previously registered function in the next request */ - zend_hash_apply(&db->callbacks, (apply_func_t)php_sqlite_callback_invalidator TSRMLS_CC); - - return 0; -} - -PHP_RSHUTDOWN_FUNCTION(sqlite) -{ - zend_hash_apply(&EG(persistent_list), (apply_func_t)php_sqlite_forget_persistent_id_numbers TSRMLS_CC); - return SUCCESS; -} - -/* {{{ PHP Function interface */ -static void php_sqlite_generic_function_callback(sqlite_func *func, int argc, const char **argv) -{ - zval *retval = NULL; - zval ***zargs = NULL; - zval funcname; - int i, res; - char *callable = NULL, *errbuf=NULL; - TSRMLS_FETCH(); - - /* sanity check the args */ - if (argc == 0) { - sqlite_set_result_error(func, "not enough parameters", -1); - return; - } - - ZVAL_STRING(&funcname, (char*)argv[0], 0); - - if (!zend_is_callable(&funcname, 0, &callable)) { - spprintf(&errbuf, 0, "function `%s' is not callable", callable); - sqlite_set_result_error(func, errbuf, -1); - efree(errbuf); - efree(callable); - return; - } - efree(callable); - - if (argc > 1) { - zargs = (zval ***)safe_emalloc((argc - 1), sizeof(zval **), 0); - - for (i = 0; i < argc-1; i++) { - zargs[i] = emalloc(sizeof(zval *)); - MAKE_STD_ZVAL(*zargs[i]); - ZVAL_STRING(*zargs[i], (char*)argv[i+1], 1); - } - } - - res = call_user_function_ex(EG(function_table), - NULL, - &funcname, - &retval, - argc-1, - zargs, - 0, NULL TSRMLS_CC); - - if (res == SUCCESS) { - if (retval == NULL) { - sqlite_set_result_string(func, NULL, 0); - } else { - switch (Z_TYPE_P(retval)) { - case IS_STRING: - sqlite_set_result_string(func, Z_STRVAL_P(retval), Z_STRLEN_P(retval)); - break; - case IS_LONG: - case IS_BOOL: - sqlite_set_result_int(func, Z_LVAL_P(retval)); - break; - case IS_DOUBLE: - sqlite_set_result_double(func, Z_DVAL_P(retval)); - break; - case IS_NULL: - default: - sqlite_set_result_string(func, NULL, 0); - } - } - } else { - sqlite_set_result_error(func, "call_user_function_ex failed", -1); - } - - if (retval) { - zval_ptr_dtor(&retval); - } - - if (zargs) { - for (i = 0; i < argc-1; i++) { - zval_ptr_dtor(zargs[i]); - efree(zargs[i]); - } - efree(zargs); - } -} -/* }}} */ - -/* {{{ callback for sqlite_create_function */ -static void php_sqlite_function_callback(sqlite_func *func, int argc, const char **argv) -{ - zval *retval = NULL; - zval ***zargs = NULL; - int i, res; - struct php_sqlite_agg_functions *funcs = sqlite_user_data(func); - TSRMLS_FETCH(); - - if (!funcs->is_valid) { - sqlite_set_result_error(func, "this function has not been correctly defined for this request", -1); - return; - } - - if (argc > 0) { - zargs = (zval ***)safe_emalloc(argc, sizeof(zval **), 0); - - for (i = 0; i < argc; i++) { - zargs[i] = emalloc(sizeof(zval *)); - MAKE_STD_ZVAL(*zargs[i]); - ZVAL_STRING(*zargs[i], (char*)argv[i], 1); - } - } - - res = call_user_function_ex(EG(function_table), - NULL, - funcs->step, - &retval, - argc, - zargs, - 0, NULL TSRMLS_CC); - - if (res == SUCCESS) { - if (retval == NULL) { - sqlite_set_result_string(func, NULL, 0); - } else { - switch (Z_TYPE_P(retval)) { - case IS_STRING: - sqlite_set_result_string(func, Z_STRVAL_P(retval), Z_STRLEN_P(retval)); - break; - case IS_LONG: - case IS_BOOL: - sqlite_set_result_int(func, Z_LVAL_P(retval)); - break; - case IS_DOUBLE: - sqlite_set_result_double(func, Z_DVAL_P(retval)); - break; - case IS_NULL: - default: - sqlite_set_result_string(func, NULL, 0); - } - } - } else { - sqlite_set_result_error(func, "call_user_function_ex failed", -1); - } - - if (retval) { - zval_ptr_dtor(&retval); - } - - if (zargs) { - for (i = 0; i < argc; i++) { - zval_ptr_dtor(zargs[i]); - efree(zargs[i]); - } - efree(zargs); - } -} -/* }}} */ - -/* {{{ callback for sqlite_create_aggregate: step function */ -static void php_sqlite_agg_step_function_callback(sqlite_func *func, int argc, const char **argv) -{ - zval *retval = NULL; - zval ***zargs; - zval **context_p; - int i, res, zargc; - struct php_sqlite_agg_functions *funcs = sqlite_user_data(func); - TSRMLS_FETCH(); - - if (!funcs->is_valid) { - sqlite_set_result_error(func, "this function has not been correctly defined for this request", -1); - return; - } - - /* sanity check the args */ - if (argc < 1) { - return; - } - - zargc = argc + 1; - zargs = (zval ***)safe_emalloc(zargc, sizeof(zval **), 0); - - /* first arg is always the context zval */ - context_p = (zval **)sqlite_aggregate_context(func, sizeof(*context_p)); - - if (*context_p == NULL) { - MAKE_STD_ZVAL(*context_p); - (*context_p)->is_ref = 1; - Z_TYPE_PP(context_p) = IS_NULL; - } - - zargs[0] = context_p; - - /* copy the other args */ - for (i = 0; i < argc; i++) { - zargs[i+1] = emalloc(sizeof(zval *)); - MAKE_STD_ZVAL(*zargs[i+1]); - ZVAL_STRING(*zargs[i+1], (char*)argv[i], 1); - } - - res = call_user_function_ex(EG(function_table), - NULL, - funcs->step, - &retval, - zargc, - zargs, - 0, NULL TSRMLS_CC); - - if (res != SUCCESS) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "call_user_function_ex failed"); - } - - if (retval) { - zval_ptr_dtor(&retval); - } - - if (zargs) { - for (i = 1; i < zargc; i++) { - zval_ptr_dtor(zargs[i]); - efree(zargs[i]); - } - efree(zargs); - } -} -/* }}} */ - -/* {{{ callback for sqlite_create_aggregate: finalize function */ -static void php_sqlite_agg_fini_function_callback(sqlite_func *func) -{ - zval *retval = NULL; - int res; - struct php_sqlite_agg_functions *funcs = sqlite_user_data(func); - zval **context_p; - TSRMLS_FETCH(); - - if (!funcs->is_valid) { - sqlite_set_result_error(func, "this function has not been correctly defined for this request", -1); - return; - } - - context_p = (zval **)sqlite_aggregate_context(func, sizeof(*context_p)); - - res = call_user_function_ex(EG(function_table), - NULL, - funcs->fini, - &retval, - 1, - &context_p, - 0, NULL TSRMLS_CC); - - if (res == SUCCESS) { - if (retval == NULL) { - sqlite_set_result_string(func, NULL, 0); - } else { - switch (Z_TYPE_P(retval)) { - case IS_STRING: - /* TODO: for binary results, need to encode the string */ - sqlite_set_result_string(func, Z_STRVAL_P(retval), Z_STRLEN_P(retval)); - break; - case IS_LONG: - case IS_BOOL: - sqlite_set_result_int(func, Z_LVAL_P(retval)); - break; - case IS_DOUBLE: - sqlite_set_result_double(func, Z_DVAL_P(retval)); - break; - case IS_NULL: - default: - sqlite_set_result_string(func, NULL, 0); - } - } - } else { - sqlite_set_result_error(func, "call_user_function_ex failed", -1); - } - - if (retval) { - zval_ptr_dtor(&retval); - } - - zval_ptr_dtor(context_p); -} -/* }}} */ - -/* {{{ Authorization Callback */ -static int php_sqlite_authorizer(void *autharg, int access_type, const char *arg3, const char *arg4, - const char *arg5, const char *arg6) -{ - switch (access_type) { - case SQLITE_COPY: - { - TSRMLS_FETCH(); - if (PG(safe_mode) && (!php_checkuid(arg4, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { - return SQLITE_DENY; - } - - if (php_check_open_basedir(arg4 TSRMLS_CC)) { - return SQLITE_DENY; - } - } - return SQLITE_OK; -#ifdef SQLITE_ATTACH - case SQLITE_ATTACH: - { - TSRMLS_FETCH(); - if (PG(safe_mode) && (!php_checkuid(arg3, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { - return SQLITE_DENY; - } - - if (php_check_open_basedir(arg3 TSRMLS_CC)) { - return SQLITE_DENY; - } - } - return SQLITE_OK; -#endif - - default: - /* access allowed */ - return SQLITE_OK; - } -} -/* }}} */ - -static int init_sqlite_globals(zend_sqlite_globals *g) -{ - g->assoc_case = 0; - return SUCCESS; -} - -PHP_MINIT_FUNCTION(sqlite) -{ - ZEND_INIT_MODULE_GLOBALS(sqlite, init_sqlite_globals, NULL); - - REGISTER_INI_ENTRIES(); - - le_sqlite_db = zend_register_list_destructors_ex(php_sqlite_db_dtor, NULL, "sqlite database", module_number); - le_sqlite_pdb = zend_register_list_destructors_ex(NULL, php_sqlite_db_dtor, "sqlite database (persistent)", module_number); - le_sqlite_result = zend_register_list_destructors_ex(php_sqlite_result_dtor, NULL, "sqlite result", module_number); - - REGISTER_LONG_CONSTANT("SQLITE_BOTH", PHPSQLITE_BOTH, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_NUM", PHPSQLITE_NUM, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_ASSOC", PHPSQLITE_ASSOC, CONST_CS|CONST_PERSISTENT); - - REGISTER_LONG_CONSTANT("SQLITE_OK", SQLITE_OK, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_ERROR", SQLITE_ERROR, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_INTERNAL", SQLITE_INTERNAL, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_PERM", SQLITE_PERM, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_ABORT", SQLITE_ABORT, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_BUSY", SQLITE_BUSY, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_LOCKED", SQLITE_LOCKED, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_NOMEM", SQLITE_NOMEM, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_READONLY", SQLITE_READONLY, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_INTERRUPT", SQLITE_INTERRUPT, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_IOERR", SQLITE_IOERR, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_CORRUPT", SQLITE_CORRUPT, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_NOTFOUND", SQLITE_NOTFOUND, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_FULL", SQLITE_FULL, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_CANTOPEN", SQLITE_CANTOPEN, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_PROTOCOL", SQLITE_PROTOCOL, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_EMPTY", SQLITE_EMPTY, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_SCHEMA", SQLITE_SCHEMA, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_TOOBIG", SQLITE_TOOBIG, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_CONSTRAINT", SQLITE_CONSTRAINT, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_MISMATCH", SQLITE_MISMATCH, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_MISUSE", SQLITE_MISUSE, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_NOLFS", SQLITE_NOLFS, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_AUTH", SQLITE_AUTH, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_ROW", SQLITE_ROW, CONST_CS|CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("SQLITE_DONE", SQLITE_DONE, CONST_CS|CONST_PERSISTENT); - - return SUCCESS; -} - -PHP_MINFO_FUNCTION(sqlite) -{ - php_info_print_table_start(); - php_info_print_table_header(2, "SQLite support", "enabled"); - php_info_print_table_row(2, "PECL Module version", PHP_SQLITE_MODULE_VERSION " $Id$"); - php_info_print_table_row(2, "SQLite Library", sqlite_libversion()); - php_info_print_table_row(2, "SQLite Encoding", sqlite_libencoding()); - php_info_print_table_end(); - - DISPLAY_INI_ENTRIES(); -} - -static struct php_sqlite_db *php_sqlite_open(char *filename, int mode, char *persistent_id, zval *return_value, zval *errmsg TSRMLS_DC) -{ - char *errtext = NULL; - sqlite *sdb = NULL; - struct php_sqlite_db *db = NULL; - - sdb = sqlite_open(filename, mode, &errtext); - - if (sdb == NULL) { - - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", errtext); - - if (errmsg) { - ZVAL_STRING(errmsg, errtext, 1); - } - - sqlite_freemem(errtext); - - RETVAL_FALSE; - return NULL; - } - - db = (struct php_sqlite_db *)pemalloc(sizeof(struct php_sqlite_db), persistent_id ? 1 : 0); - db->is_persistent = persistent_id ? 1 : 0; - db->last_err_code = SQLITE_OK; - db->db = sdb; - - zend_hash_init(&db->callbacks, 0, NULL, php_sqlite_callback_dtor, db->is_persistent); - - /* register the PHP functions */ - sqlite_create_function(sdb, "php", -1, php_sqlite_generic_function_callback, 0); - - /* set default busy handler; keep retrying up until 1/2 second has passed, - * then fail with a busy status code */ - sqlite_busy_timeout(sdb, 500); - - /* authorizer hook so we can enforce safe mode - * Note: the declaration of php_sqlite_authorizer is correct for 2.8.2 of libsqlite, - * and IS backwards binary compatible with earlier versions */ - sqlite_set_authorizer(sdb, php_sqlite_authorizer, NULL); - - db->rsrc_id = ZEND_REGISTER_RESOURCE(return_value, db, persistent_id ? le_sqlite_pdb : le_sqlite_db); - - if (persistent_id) { - list_entry le; - - Z_TYPE(le) = le_sqlite_pdb; - le.ptr = db; - - if (FAILURE == zend_hash_update(&EG(persistent_list), persistent_id, - strlen(persistent_id)+1, - (void *)&le, sizeof(le), NULL)) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to register persistent resource"); - } - } - - return db; -} - -/* {{{ proto resource sqlite_popen(string filename [, int mode, string &errmessage]) - Opens a persistent handle to an SQLite database. Will create the database if it does not exist */ -PHP_FUNCTION(sqlite_popen) -{ - int mode = 0666; - char *filename, *fullpath, *hashkey; - long filename_len, hashkeylen; - zval *errmsg = NULL; - struct php_sqlite_db *db = NULL; - list_entry *le; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lz/", - &filename, &filename_len, &mode, &errmsg)) { - return; - } - - if (strncmp(filename, ":memory:", sizeof(":memory:") - 1)) { - /* resolve the fully-qualified path name to use as the hash key */ - fullpath = expand_filepath(filename, NULL TSRMLS_CC); - - if (PG(safe_mode) && (!php_checkuid(fullpath, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { - RETURN_FALSE; - } - - if (php_check_open_basedir(fullpath TSRMLS_CC)) { - RETURN_FALSE; - } - } else { - fullpath = estrndup(filename, filename_len); - } - - hashkeylen = spprintf(&hashkey, 0, "sqlite_pdb_%s:%d", fullpath, mode); - - /* do we have an existing persistent connection ? */ - if (SUCCESS == zend_hash_find(&EG(persistent_list), hashkey, hashkeylen+1, (void*)&le)) { - if (Z_TYPE_P(le) == le_sqlite_pdb) { - db = (struct php_sqlite_db*)le->ptr; - - if (db->rsrc_id == FAILURE) { - /* give it a valid resource id for this request */ - db->rsrc_id = ZEND_REGISTER_RESOURCE(return_value, db, le_sqlite_pdb); - } else { - /* already accessed this request; map it */ - ZVAL_RESOURCE(return_value, db->rsrc_id); - } - - /* all set */ - efree(fullpath); - efree(hashkey); - return; - } - - php_error_docref(NULL TSRMLS_CC, E_WARNING, "some other type of persistent resource is using this hash key!?"); - RETURN_FALSE; - } - - /* now we need to open the database */ - php_sqlite_open(fullpath, mode, hashkey, return_value, errmsg TSRMLS_CC); - - efree(fullpath); - efree(hashkey); -} -/* }}} */ - -/* {{{ proto resource sqlite_open(string filename [, int mode, string &errmessage]) - Opens an SQLite database. Will create the database if it does not exist */ -PHP_FUNCTION(sqlite_open) -{ - int mode = 0666; - char *filename; - long filename_len; - zval *errmsg = NULL; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lz/", - &filename, &filename_len, &mode, &errmsg)) { - return; - } - - if (strncmp(filename, ":memory:", sizeof(":memory:") - 1)) { - if (PG(safe_mode) && (!php_checkuid(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { - RETURN_FALSE; - } - - if (php_check_open_basedir(filename TSRMLS_CC)) { - RETURN_FALSE; - } - } - - php_sqlite_open(filename, mode, NULL, return_value, errmsg TSRMLS_CC); -} -/* }}} */ - -/* {{{ proto void sqlite_busy_timeout(resource db, int ms) - Set busy timeout duration. If ms <= 0, all busy handlers are disabled */ -PHP_FUNCTION(sqlite_busy_timeout) -{ - zval *zdb; - struct php_sqlite_db *db; - long ms; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &zdb, &ms)) { - return; - } - - DB_FROM_ZVAL(db, &zdb); - - sqlite_busy_timeout(db->db, ms); -} -/* }}} */ - -/* {{{ proto void sqlite_close(resource db) - Closes an open sqlite database */ -PHP_FUNCTION(sqlite_close) -{ - zval *zdb; - struct php_sqlite_db *db; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zdb)) { - return; - } - DB_FROM_ZVAL(db, &zdb); - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zdb)) { - return; - } - - DB_FROM_ZVAL(db, &zdb); - - zend_list_delete(Z_RESVAL_P(zdb)); -} -/* }}} */ - -/* {{{ php_sqlite_fetch */ -int php_sqlite_fetch(struct php_sqlite_result *rres TSRMLS_DC) -{ - const char **rowdata, **colnames; - int ret, i, base; - char *errtext = NULL, *colname; - -next_row: - ret = sqlite_step(rres->vm, &rres->ncolumns, &rowdata, &colnames); - if (!rres->nrows) { - /* first row - lets copy the column names */ - rres->col_names = safe_emalloc(rres->ncolumns, sizeof(char *), 0); - for (i = 0; i < rres->ncolumns; i++) { - colname = strchr(colnames[i], '.'); - if (!colname++) { - colname = (char*)colnames[i]; - } - if (SQLITE_G(assoc_case) == 1) { - php_sqlite_strtoupper(colname); - } else if (SQLITE_G(assoc_case) == 2) { - php_sqlite_strtolower(colname); - } - rres->col_names[i] = estrdup(colname); - } - if (!rres->buffered) { - /* non buffered mode - also fetch memory for on single row */ - rres->table = safe_emalloc(rres->ncolumns, sizeof(char *), 0); - } - } - - switch (ret) { - case SQLITE_ROW: - if (rres->buffered) { - /* add the row to our collection */ - if (rres->nrows + 1 >= rres->alloc_rows) { - rres->alloc_rows = rres->alloc_rows ? rres->alloc_rows * 2 : 16; - rres->table = erealloc(rres->table, rres->alloc_rows * rres->ncolumns * sizeof(char *)); - } - base = rres->nrows * rres->ncolumns; - for (i = 0; i < rres->ncolumns; i++) { - if (rowdata[i]) { - rres->table[base + i] = estrdup(rowdata[i]); - } else { - rres->table[base + i] = NULL; - } - } - rres->nrows++; - goto next_row; - } else { - /* non buffered: only fetch one row but first free data if not first row */ - if (rres->nrows++) { - for (i = 0; i < rres->ncolumns; i++) { - if (rres->table[i]) { - efree(rres->table[i]); - } - } - } - for (i = 0; i < rres->ncolumns; i++) { - if (rowdata[i]) { - rres->table[i] = estrdup(rowdata[i]); - } else { - rres->table[i] = NULL; - } - } - } - ret = SQLITE_OK; - break; - - case SQLITE_BUSY: - case SQLITE_ERROR: - case SQLITE_MISUSE: - case SQLITE_DONE: - default: - if (rres->vm) { - ret = sqlite_finalize(rres->vm, &errtext); - } - rres->vm = NULL; - if (ret != SQLITE_OK) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", errtext); - sqlite_freemem(errtext); - } - break; - } - rres->db->last_err_code = ret; - - return ret; -} -/* }}} */ - -/* {{{ sqlite_query */ -void sqlite_query(struct php_sqlite_db *db, char *sql, long sql_len, int mode, int buffered, zval *return_value, struct php_sqlite_result *rres TSRMLS_DC) -{ - struct php_sqlite_result res; - int ret; - char *errtext = NULL; - const char *tail; - - memset(&res, 0, sizeof(res)); - res.buffered = buffered; - res.mode = mode; - - ret = sqlite_compile(db->db, sql, &tail, &res.vm, &errtext); - db->last_err_code = ret; - - if (ret != SQLITE_OK) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", errtext); - sqlite_freemem(errtext); - - RETURN_FALSE; - } - - if (!rres) { - rres = (struct php_sqlite_result*)emalloc(sizeof(*rres)); - } - memcpy(rres, &res, sizeof(*rres)); - rres->db = db; - zend_list_addref(db->rsrc_id); - - - /* now the result set is ready for stepping: get first row */ - if (php_sqlite_fetch(rres TSRMLS_CC) != SQLITE_OK) { - real_result_dtor(rres TSRMLS_CC); - RETURN_FALSE; - } - - rres->curr_row = 0; - - if (return_value) { - ZEND_REGISTER_RESOURCE(return_value, rres, le_sqlite_result); - } -} -/* }}} */ - -/* {{{ proto resource sqlite_unbuffered_query(string query, resource db [ , int result_type ]) - Execute a query that does not prefetch and buffer all data */ -PHP_FUNCTION(sqlite_unbuffered_query) -{ - zval *zdb; - struct php_sqlite_db *db; - char *sql; - long sql_len; - int mode = PHPSQLITE_BOTH; - char *errtext = NULL; - - if (FAILURE == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, - ZEND_NUM_ARGS() TSRMLS_CC, "sr|l", &sql, &sql_len, &zdb, &mode) && - FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &zdb, &sql, &sql_len, &mode)) { - return; - } - - DB_FROM_ZVAL(db, &zdb); - - /* avoid doing work if we can */ - if (!return_value_used) { - db->last_err_code = sqlite_exec(db->db, sql, NULL, NULL, &errtext); - - if (db->last_err_code != SQLITE_OK) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", errtext); - sqlite_freemem(errtext); - } - return; - } - - sqlite_query(db, sql, sql_len, mode, 0, return_value, NULL TSRMLS_CC); -} -/* }}} */ - -/* {{{ proto resource sqlite_query(string query, resource db [ , int result_type ]) - Executes a query against a given database and returns a result handle */ -PHP_FUNCTION(sqlite_query) -{ - zval *zdb; - struct php_sqlite_db *db; - char *sql; - long sql_len; - int mode = PHPSQLITE_BOTH; - char *errtext = NULL; - - if (FAILURE == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, - ZEND_NUM_ARGS() TSRMLS_CC, "sr|l", &sql, &sql_len, &zdb, &mode) && - FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &zdb, &sql, &sql_len, &mode)) { - return; - } - DB_FROM_ZVAL(db, &zdb); - - /* avoid doing work if we can */ - if (!return_value_used) { - db->last_err_code = sqlite_exec(db->db, sql, NULL, NULL, &errtext); - - if (db->last_err_code != SQLITE_OK) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", errtext); - sqlite_freemem(errtext); - } - return; - } - - sqlite_query(db, sql, sql_len, mode, 1, return_value, NULL TSRMLS_CC); -} -/* }}} */ - -/* {{{ php_sqlite_fetch_array */ -static void php_sqlite_fetch_array(struct php_sqlite_result *res, int mode, zend_bool decode_binary, int move_next, zval *return_value TSRMLS_DC) -{ - int j, buffered = res->buffered; - const char **rowdata, **colnames; - - /* check range of the row */ - if (res->curr_row >= res->nrows) { - /* no more */ - RETURN_FALSE; - } - colnames = (const char**)res->col_names; - if (res->buffered) { - rowdata = (const char**)&res->table[res->curr_row * res->ncolumns]; - } else { - rowdata = (const char**)res->table; - } - - /* now populate the result */ - array_init(return_value); - - for (j = 0; j < res->ncolumns; j++) { - zval *decoded; - MAKE_STD_ZVAL(decoded); - - if (rowdata[j] == NULL) { - ZVAL_NULL(decoded); - } else if (decode_binary && rowdata[j][0] == '\x01') { - int l = strlen(rowdata[j]); - Z_STRVAL_P(decoded) = emalloc(l); - Z_STRLEN_P(decoded) = l = sqlite_decode_binary(rowdata[j]+1, Z_STRVAL_P(decoded)); - Z_STRVAL_P(decoded)[l] = '\0'; - Z_TYPE_P(decoded) = IS_STRING; - if (!buffered) { - efree((char*)rowdata[j]); - rowdata[j] = NULL; - } - } else { - ZVAL_STRING(decoded, (char*)rowdata[j], buffered); - if (!buffered) { - rowdata[j] = NULL; - } - } - - if (mode & PHPSQLITE_NUM) { - add_index_zval(return_value, j, decoded); - if (mode & PHPSQLITE_ASSOC) { - ZVAL_ADDREF(decoded); - add_assoc_zval(return_value, (char*)colnames[j], decoded); - } - } else { - add_assoc_zval(return_value, (char*)colnames[j], decoded); - } - } - - if (move_next) { - if (!res->buffered) { - /* non buffered: fetch next row */ - php_sqlite_fetch(res TSRMLS_CC); - } - /* advance the row pointer */ - res->curr_row++; - } -} -/* }}} */ - -/* {{{ php_sqlite_fetch_column */ -static void php_sqlite_fetch_column(struct php_sqlite_result *res, zval *which, zend_bool decode_binary, zval *return_value TSRMLS_DC) -{ - int j; - const char **rowdata, **colnames; - - /* check range of the row */ - if (res->curr_row >= res->nrows) { - /* no more */ - RETURN_FALSE; - } - colnames = (const char**)res->col_names; - - if (Z_TYPE_P(which) == IS_LONG) { - j = Z_LVAL_P(which); - } else { - convert_to_string_ex(&which); - for (j = 0; j < res->ncolumns; j++) { - if (!strcasecmp((char*)colnames[j], Z_STRVAL_P(which))) { - break; - } - } - } - if (j < 0 || j >= res->ncolumns) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "No such column %d", j); - RETURN_FALSE; - } - - if (res->buffered) { - rowdata = (const char**)&res->table[res->curr_row * res->ncolumns]; - } else { - rowdata = (const char**)res->table; - } - - if (rowdata[j] == NULL) { - RETURN_NULL(); - } else if (decode_binary && rowdata[j][0] == '\x01') { - int l = strlen(rowdata[j]); - char *decoded = emalloc(l); - l = sqlite_decode_binary(rowdata[j]+1, decoded); - decoded[l] = '\0'; - RETVAL_STRINGL(decoded, l, 0); - if (!res->buffered) { - efree((char*)rowdata[j]); - rowdata[j] = NULL; - } - } else { - RETVAL_STRING((char*)rowdata[j], res->buffered); - if (!res->buffered) { - rowdata[j] = NULL; - } - } -} -/* }}} */ - -/* {{{ proto array sqlite_fetch_all(resource result [, int result_type, bool decode_binary]) - Fetches all rows from a result set as an array */ -PHP_FUNCTION(sqlite_fetch_all) -{ - zval *zres, *ent; - int mode = PHPSQLITE_BOTH; - zend_bool decode_binary = 1; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|lb", &zres, &mode, &decode_binary)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - if (ZEND_NUM_ARGS() < 2) { - mode = res->mode; - } - - if (res->curr_row >= res->nrows && res->nrows) { - if (!res->buffered) { - php_error_docref(NULL TSRMLS_CC, E_NOTICE, "One or more rowsets were already returned"); - } else { - res->curr_row = 0; - } - } - - array_init(return_value); - - while (res->curr_row < res->nrows) { - MAKE_STD_ZVAL(ent); - php_sqlite_fetch_array(res, mode, decode_binary, 1, ent TSRMLS_CC); - add_next_index_zval(return_value, ent); - } -} -/* }}} */ - -/* {{{ proto array sqlite_fetch_array(resource result [, int result_type, bool decode_binary]) - Fetches the next row from a result set as an array */ -PHP_FUNCTION(sqlite_fetch_array) -{ - zval *zres; - int mode = PHPSQLITE_BOTH; - zend_bool decode_binary = 1; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|lb", &zres, &mode, &decode_binary)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - if (ZEND_NUM_ARGS() < 2) { - mode = res->mode; - } - - php_sqlite_fetch_array(res, mode, decode_binary, 1, return_value TSRMLS_CC); -} -/* }}} */ - -/* {{{ proto array sqlite_array_query(resource db, string query [ , int result_type, bool decode_binary ]) - Executes a query against a given database and returns an array */ -PHP_FUNCTION(sqlite_array_query) -{ - zval *zdb, *ent; - struct php_sqlite_db *db; - struct php_sqlite_result *rres; - char *sql; - long sql_len; - int mode = PHPSQLITE_BOTH; - char *errtext = NULL; - zend_bool decode_binary = 1; - - if (FAILURE == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, - ZEND_NUM_ARGS() TSRMLS_CC, "sr|l", &sql, &sql_len, &zdb, &mode, &decode_binary) && - FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &zdb, &sql, &sql_len, &mode, &decode_binary)) { - return; - } - DB_FROM_ZVAL(db, &zdb); - - /* avoid doing work if we can */ - if (!return_value_used) { - db->last_err_code = sqlite_exec(db->db, sql, NULL, NULL, &errtext); - - if (db->last_err_code != SQLITE_OK) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", errtext); - sqlite_freemem(errtext); - } - return; - } - - rres = (struct php_sqlite_result *)emalloc(sizeof(*rres)); - sqlite_query(db, sql, sql_len, mode, 0, NULL, rres TSRMLS_CC); - - array_init(return_value); - - while (rres->curr_row < rres->nrows) { - MAKE_STD_ZVAL(ent); - php_sqlite_fetch_array(rres, mode, decode_binary, 1, ent TSRMLS_CC); - add_next_index_zval(return_value, ent); - } - real_result_dtor(rres TSRMLS_CC); -} -/* }}} */ - -/* {{{ proto string sqlite_fetch_array(resource result [, bool decode_binary]) - Fetches first column of a result set as a string */ -PHP_FUNCTION(sqlite_fetch_string) -{ - zval *zres; - zend_bool decode_binary = 1; - struct php_sqlite_result *res; - char *decoded = NULL; - int decoded_len; - const char **rowdata; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|b", &zres, &decode_binary)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - /* check if there are any more rows on the cursor */ - if (res->curr_row >= res->nrows) { - RETURN_FALSE; - } - - if (res->buffered) { - rowdata = (const char**)&res->table[res->curr_row * res->ncolumns]; - } else { - rowdata = (const char**)res->table; - } - - if (decode_binary && rowdata[0] != NULL && rowdata[0][0] == '\x01') { - decoded = do_alloca(strlen(rowdata[0])); - decoded_len = sqlite_decode_binary(rowdata[0]+1, decoded); - } else { - decoded = (char*)rowdata[0]; - decoded_len = decoded ? strlen(decoded) : 0; - } - - if (!res->buffered) { - /* non buffered: fetch next row */ - php_sqlite_fetch(res TSRMLS_CC); - } - /* advance the row pointer */ - res->curr_row++; - - if (decoded == NULL) { - RETURN_NULL(); - } else { - RETURN_STRINGL(decoded, decoded_len, 1); - } -} -/* }}} */ - -/* {{{ proto array sqlite_fetch_array(resource result [, int result_type, bool decode_binary]) - Fetches the current row from a result set as an array */ -PHP_FUNCTION(sqlite_current) -{ - zval *zres; - int mode = PHPSQLITE_BOTH; - zend_bool decode_binary = 1; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|lb", &zres, &mode, &decode_binary)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - if (ZEND_NUM_ARGS() < 2) { - mode = res->mode; - } - - php_sqlite_fetch_array(res, mode, decode_binary, 0, return_value TSRMLS_CC); -} -/* }}} */ - -/* {{{ proto array sqlite_column(resource result, mixed index_or_name [, bool decode_binary]) - Fetches a column from the current row from a result set */ -PHP_FUNCTION(sqlite_column) -{ - zval *zres; - zval *which; - zend_bool decode_binary = 1; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rz|b", &zres, &which, &decode_binary)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - php_sqlite_fetch_column(res, which, decode_binary, return_value TSRMLS_CC); -} -/* }}} */ - -/* {{{ proto string sqlite_libversion() - Returns the version of the linked SQLite library */ -PHP_FUNCTION(sqlite_libversion) -{ - if (ZEND_NUM_ARGS() != 0) { - WRONG_PARAM_COUNT; - } - RETURN_STRING((char*)sqlite_libversion(), 1); -} -/* }}} */ - -/* {{{ proto string sqlite_libencoding() - Returns the encoding (iso8859 or UTF-8) of the linked SQLite library */ -PHP_FUNCTION(sqlite_libencoding) -{ - if (ZEND_NUM_ARGS() != 0) { - WRONG_PARAM_COUNT; - } - RETURN_STRING((char*)sqlite_libencoding(), 1); -} -/* }}} */ - -/* {{{ proto int sqlite_changes(resource db) - Returns the number of rows that were changed by the most recent SQL statement */ -PHP_FUNCTION(sqlite_changes) -{ - zval *zdb; - struct php_sqlite_db *db; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zdb)) { - return; - } - - DB_FROM_ZVAL(db, &zdb); - - RETURN_LONG(sqlite_changes(db->db)); -} -/* }}} */ - -/* {{{ proto int sqlite_last_insert_rowid(resource db) - Returns the rowid of the most recently inserted row */ -PHP_FUNCTION(sqlite_last_insert_rowid) -{ - zval *zdb; - struct php_sqlite_db *db; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zdb)) { - return; - } - - DB_FROM_ZVAL(db, &zdb); - - RETURN_LONG(sqlite_last_insert_rowid(db->db)); -} -/* }}} */ - -/* {{{ proto int sqlite_num_rows(resource result) - Returns the number of rows in a result set */ -PHP_FUNCTION(sqlite_num_rows) -{ - zval *zres; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zres)) { - return; - } - - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - if (res->buffered) { - RETURN_LONG(res->nrows); - } else { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Row count is not available for unbuffered queries"); - RETURN_FALSE; - } -} -/* }}} */ - -/* {{{ proto bool sqlite_has_more(resource result) - Returns whether or not more rows are available */ -PHP_FUNCTION(sqlite_has_more) -{ - zval *zres; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zres)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - RETURN_BOOL(res->nrows && res->curr_row < res->nrows); /* curr_row may be -1 */ -} -/* }}} */ - -/* {{{ proto int sqlite_num_fields(resource result) - Returns the number of fields in a result set */ -PHP_FUNCTION(sqlite_num_fields) -{ - zval *zres; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zres)) { - return; - } - - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - RETURN_LONG(res->ncolumns); -} -/* }}} */ - -/* {{{ proto string sqlite_field_name(resource result, int field) - Returns the name of a particular field */ -PHP_FUNCTION(sqlite_field_name) -{ - zval *zres; - struct php_sqlite_result *res; - int field; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &zres, &field)) { - return; - } - - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - if (field < 0 || field >= res->ncolumns) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "field %d out of range", field); - RETURN_FALSE; - } - - RETURN_STRING(res->col_names[field], 1); -} -/* }}} */ - -/* {{{ proto bool sqlite_seek(resource result, int row) - Seek to a particular row number */ -PHP_FUNCTION(sqlite_seek) -{ - zval *zres; - struct php_sqlite_result *res; - int row; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &zres, &row)) { - return; - } - - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - if (!res->buffered) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot seek an unbuffered result set"); - RETURN_FALSE; - } - - if (row < 1 || row >= res->nrows) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "row %d out of range", row); - RETURN_FALSE; - } - - res->curr_row = row; - RETURN_TRUE; -} -/* }}} */ - -/* {{{ proto bool sqlite_rewind(resource result) - Seek to first row number */ -PHP_FUNCTION(sqlite_rewind) -{ - zval *zres; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zres)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - if (!res->buffered) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot seek an unbuffered result set"); - RETURN_FALSE; - } - - if (!res->nrows) { - php_error_docref(NULL TSRMLS_CC, E_NOTICE, "no rows received"); - RETURN_FALSE; - } - - res->curr_row = 0; - RETURN_TRUE; -} -/* }}} */ - -/* {{{ proto bool sqlite_next(resource result) - Seek to next row number */ -PHP_FUNCTION(sqlite_next) -{ - zval *zres; - struct php_sqlite_result *res; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zres)) { - return; - } - ZEND_FETCH_RESOURCE(res, struct php_sqlite_result *, &zres, -1, "sqlite result", le_sqlite_result); - - if (!res->buffered && res->vm) { - php_sqlite_fetch(res TSRMLS_CC); - } - - if (res->curr_row >= res->nrows) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "no more rows available"); - RETURN_FALSE; - } - - res->curr_row++; - - RETURN_TRUE; -} -/* }}} */ - -/* {{{ proto string sqlite_escape_string(string item) - Escapes a string for use as a query parameter */ -PHP_FUNCTION(sqlite_escape_string) -{ - char *string = NULL; - long stringlen; - char *ret; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &string, &stringlen)) { - return; - } - - if (stringlen && (string[0] == '\x01' || memchr(string, '\0', stringlen) != NULL)) { - /* binary string */ - int enclen; - - ret = emalloc( 1 + ((256 * stringlen + 1262) / 253) ); - ret[0] = '\x01'; - enclen = sqlite_encode_binary((const unsigned char*)string, stringlen, ret+1); - RETVAL_STRINGL(ret, enclen+1, 0); - - } else { - ret = sqlite_mprintf("%q", string); - if (ret) { - RETVAL_STRING(ret, 1); - sqlite_freemem(ret); - } - } -} -/* }}} */ - -/* {{{ proto int sqlite_last_error(resource db) - Returns the error code of the last error for a database */ -PHP_FUNCTION(sqlite_last_error) -{ - zval *zdb; - struct php_sqlite_db *db; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zdb)) { - return; - } - - DB_FROM_ZVAL(db, &zdb); - - RETURN_LONG(db->last_err_code); -} -/* }}} */ - -/* {{{ proto string sqlite_error_string(int error_code) - Returns the textual description of an error code */ -PHP_FUNCTION(sqlite_error_string) -{ - long code; - const char *msg; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &code)) { - return; - } - - msg = sqlite_error_string(code); - - if (msg) { - RETURN_STRING((char*)msg, 1); - } else { - RETURN_NULL(); - } -} -/* }}} */ - -/* manages duplicate registrations of a particular function, and - * also handles the case where the db is using a persistent connection */ -enum callback_prep_t { DO_REG, SKIP_REG, ERR }; - -static enum callback_prep_t prep_callback_struct(struct php_sqlite_db *db, int is_agg, - char *funcname, - zval *step, zval *fini, struct php_sqlite_agg_functions **funcs) -{ - struct php_sqlite_agg_functions *alloc_funcs, func_tmp; - char *hashkey; - int hashkeylen; - enum callback_prep_t ret; - - hashkeylen = spprintf(&hashkey, 0, "%s-%s", is_agg ? "agg" : "reg", funcname); - - /* is it already registered ? */ - if (SUCCESS == zend_hash_find(&db->callbacks, hashkey, hashkeylen+1, (void*)&alloc_funcs)) { - /* override the previous definition */ - - if (alloc_funcs->is_valid) { - /* release these */ - - if (alloc_funcs->step) { - zval_ptr_dtor(&alloc_funcs->step); - alloc_funcs->step = NULL; - } - - if (alloc_funcs->fini) { - zval_ptr_dtor(&alloc_funcs->fini); - alloc_funcs->fini = NULL; - } - } - - ret = SKIP_REG; - } else { - /* add a new one */ - func_tmp.db = db; - - ret = SUCCESS == zend_hash_update(&db->callbacks, hashkey, hashkeylen+1, - (void*)&func_tmp, sizeof(func_tmp), (void**)&alloc_funcs) ? DO_REG : ERR; - } - - efree(hashkey); - - MAKE_STD_ZVAL(alloc_funcs->step); - *(alloc_funcs->step) = *step; - zval_copy_ctor(alloc_funcs->step); - - if (is_agg) { - MAKE_STD_ZVAL(alloc_funcs->fini); - *(alloc_funcs->fini) = *fini; - zval_copy_ctor(alloc_funcs->fini); - } else { - alloc_funcs->fini = NULL; - } - alloc_funcs->is_valid = 1; - *funcs = alloc_funcs; - - return ret; -} - - -/* {{{ proto bool sqlite_create_aggregate(resource db, string funcname, mixed step_func, mixed finalize_func[, long num_args]) - Registers an aggregated function for queries*/ -PHP_FUNCTION(sqlite_create_aggregate) -{ - char *funcname = NULL; - long funcname_len; - zval *zstep, *zfinal, *zdb; - struct php_sqlite_db *db; - struct php_sqlite_agg_functions *funcs; - char *callable = NULL; - long num_args = -1; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rszz|l", &zdb, &funcname, &funcname_len, &zstep, &zfinal, &num_args)) { - return; - } - DB_FROM_ZVAL(db, &zdb); - - if (!zend_is_callable(zstep, 0, &callable)) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "step function `%s' is not callable", callable); - efree(callable); - return; - } - efree(callable); - - if (!zend_is_callable(zfinal, 0, &callable)) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "finalize function `%s' is not callable", callable); - efree(callable); - return; - } - efree(callable); - - if (prep_callback_struct(db, 1, funcname, zstep, zfinal, &funcs) == DO_REG) { - sqlite_create_aggregate(db->db, funcname, num_args, - php_sqlite_agg_step_function_callback, - php_sqlite_agg_fini_function_callback, funcs); - } - - -} -/* }}} */ - -/* {{{ proto bool sqlite_create_function(resource db, string funcname, mixed callback[, long num_args]) - Registers a "regular" function for queries */ -PHP_FUNCTION(sqlite_create_function) -{ - char *funcname = NULL; - long funcname_len; - zval *zcall, *zdb; - struct php_sqlite_db *db; - struct php_sqlite_agg_functions *funcs; - char *callable = NULL; - long num_args = -1; - - if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz|l", &zdb, &funcname, &funcname_len, &zcall, &num_args)) { - return; - } - DB_FROM_ZVAL(db, &zdb); - - if (!zend_is_callable(zcall, 0, &callable)) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "function `%s' is not callable", callable); - efree(callable); - return; - } - efree(callable); - - if (prep_callback_struct(db, 0, funcname, zcall, NULL, &funcs) == DO_REG) { - sqlite_create_function(db->db, funcname, num_args, php_sqlite_function_callback, funcs); - } -} -/* }}} */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |