PHP与Clucene的接口开发

时间：2010-12-12 来源：moyuhappy

clucene以前在空闲时，研究过PHP的扩展模块开发，苦于没有找到一个比较好的调试方法，因此只做了少量的基本工作，感觉zend公司开发的PHP扩展模块有点过于复杂,调试真是让人头痛的事，若哪位有比跟踪调试的好方法，请留言。 zend　PHP的扩展模块开发帮助方面的，google等能找到，这里把曾经做过的接口部分给出来大家看看
clucene可能有不稳定的部分，在写接口前最好先测试，至于哪里有问题，当时忘做笔记了，暂时忘了
//StandardIctclas
enum {STANDARD_ANALYZER}; static zend_object_handlers index_searcher_object_handlers;
static zend_object_handlers hits_object_handlers; zend_class_entry *index_searcher_class_entry;
zend_class_entry *hits_class_entry;
zend_module_entry clucene_module_entry = {
STANDARD_MODULE_HEADER,
"clucene",
NULL,
PHP_MINIT(clucene),
NULL,
PHP_RINIT(clucene),
NULL,
PHP_MINFO(clucene),
PHP_CLUCENE_MODULE_VERSION,
STANDARD_MODULE_PROPERTIES
}; static void index_searcher_object_dtor(void *object, zend_object_handle handle TSRMLS_DC)
{
index_searcher_object *intern = (index_searcher_object*) object;

zend_hash_destroy(intern->std.properties);
FREE_HASHTABLE(intern->std.properties);

if (intern->searcher != NULL) {
intern->searcher->close();
delete intern->searcher;
}
if (intern->field != NULL) {
delete [] intern->field;
}
efree(object);
}
static zend_object_value index_searcher_object_new(zend_class_entry *class_type TSRMLS_DC)
{
zend_object_value retval;
index_searcher_object *intern;
zval *tmp;

intern = (index_searcher_object*) emalloc(sizeof(index_searcher_object));
memset(intern, 0, sizeof(index_searcher_object));
intern->searcher = NULL;
intern->field    = NULL;
intern->std.ce   = class_type; ALLOC_HASHTABLE(intern->std.properties);
zend_hash_init(intern->std.properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(intern->std.properties,
       &class_type->default_properties,
       (copy_ctor_func_t) zval_add_ref,
       (void *) &tmp, sizeof(zval *));
retval.handle = zend_objects_store_put(intern,
             index_searcher_object_dtor,
             NULL,
             NULL TSRMLS_CC);
retval.handlers = &index_searcher_object_handlers;
return retval;
}
static void hits_object_dtor(void *object, zend_object_handle handle TSRMLS_DC)
{
hits_object *intern = (hits_object*) object;

zend_hash_destroy(intern->std.properties);
FREE_HASHTABLE(intern->std.properties);

if (intern->hits != NULL) {
delete intern->hits;
} efree(object);
}
static zend_object_value hits_object_new(zend_class_entry *class_type TSRMLS_DC)
{
zend_object_value retval;
hits_object *intern;
zval *tmp;

intern = (hits_object*) emalloc(sizeof(hits_object));
memset(intern, 0, sizeof(hits_object));
intern->hits   = NULL;
intern->std.ce = class_type; ALLOC_HASHTABLE(intern->std.properties);
zend_hash_init(intern->std.properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(intern->std.properties,
       &class_type->default_properties,
       (copy_ctor_func_t) zval_add_ref,
       (void *) &tmp, sizeof(zval *));
retval.handle = zend_objects_store_put(intern,
             hits_object_dtor,
             NULL,
             NULL TSRMLS_CC);
retval.handlers = &hits_object_handlers;
return retval; }
static zend_object_value hits_object_create(zend_class_entry *class_type, Hits *hits TSRMLS_DC)
{
zend_object_value retval;
hits_object *intern;
zval *tmp;

intern = (hits_object*) emalloc(sizeof(hits_object));
memset(intern, 0, sizeof(hits_object));
intern->hits = hits;
intern->std.ce = class_type; ALLOC_HASHTABLE(intern->std.properties);
zend_hash_init(intern->std.properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(intern->std.properties,
       &class_type->default_properties,
       (copy_ctor_func_t) zval_add_ref,
       (void *) &tmp, sizeof(zval *));
retval.handle = zend_objects_store_put(intern,
             hits_object_dtor,
             NULL,
             NULL TSRMLS_CC);
retval.handlers = &hits_object_handlers;
return retval;
} #ifdef COMPILE_DL_CLUCENE
extern "C" {
ZEND_GET_MODULE(clucene)
}
#endif
PHP_METHOD(IndexSearcher, __construct);
PHP_METHOD(IndexSearcher, search);
PHP_METHOD(IndexSearcher, close); static zend_function_entry index_searcher_functions[] = {
PHP_ME(IndexSearcher, __construct,    NULL, ZEND_ACC_PUBLIC)
PHP_ME(IndexSearcher, search,         NULL, ZEND_ACC_PUBLIC)
PHP_ME(IndexSearcher, close,          NULL, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
PHP_METHOD(Hits, __construct);
PHP_METHOD(Hits, length);
PHP_METHOD(Hits, get);
PHP_METHOD(Hits, id);
PHP_METHOD(Hits, score);
static zend_function_entry hits_functions[] = {
PHP_ME(Hits, __construct, NULL, ZEND_ACC_PRIVATE)
PHP_ME(Hits, length,      NULL, ZEND_ACC_PUBLIC)
PHP_ME(Hits, get,         NULL, ZEND_ACC_PUBLIC)
PHP_ME(Hits, id,          NULL, ZEND_ACC_PUBLIC)
PHP_ME(Hits, score,       NULL, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
PHP_METHOD(IndexSearcher, __construct)
{
index_searcher_object *intern;
char *path;
long path_len;
zval *fields,**z_item;
const wchar_t **fields_ary;
int i,count;

php_set_error_handling(EH_THROW, zend_exception_get_default()
         TSRMLS_CC);

if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa", &path,
         &path_len,&fields) == FAILURE) {
php_set_error_handling(EH_NORMAL, NULL TSRMLS_CC);
return;
}
//for(i=0;i<)
count = zend_hash_num_elements(Z_ARRVAL_P(fields));
fields_ary =_CL_NEWARRAY(const wchar_t*,count+1);

zend_hash_internal_pointer_reset(Z_ARRVAL_P(fields));
for (i = 0; i < count; i ++) {
      char* key;
      ulong idx;
      // 获取当前数据
      zend_hash_get_current_data(Z_ARRVAL_P(fields), (void**) &z_item);
      convert_to_string_ex(z_item);
      fields_ary[i] = Misc::_charToWide(Z_STRVAL_PP(z_item));

      // 将数组中的内部指针向前移动一位
      zend_hash_move_forward(Z_ARRVAL_P(fields));
}
fields_ary[count]=NULL;
intern = (index_searcher_object*) zend_object_store_get_object(getThis() TSRMLS_CC); php_set_error_handling(EH_NORMAL, NULL TSRMLS_CC); try {
intern->searcher = new IndexSearcher(path);
} catch (CLuceneError& error) {
zend_throw_exception(zend_exception_get_default(), error.what(), 0 TSRMLS_CC);
return;
}
intern->field = fields_ary;
}