m

README

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+1:
+    acfilter 用于实现查询某段文本中是否含有指定的词;在词库够大的情况下，能实现一定的分词的功能;
+2:
+    acfilter 基于发布于http://code.google.com/p/pysoft/上的acseg完成,原有代码发布的license为New BSD license;
+    acfilter 仍使用New BSD lincense;
+3:
+    有任何Bug,请发信给:[email protected],谢谢！
+

acfilter.c

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+/*
+  +----------------------------------------------------------------------+
+  | PHP Version 5                                                        |
+  +----------------------------------------------------------------------+
+  | Copyright (c) 1997-2007 The PHP Group                                |
+  +----------------------------------------------------------------------+
+  | This source file is subject to version 3.01 of the PHP license,      |
+  | that is bundled with this package in the file LICENSE, and is        |
+  | available through the world-wide-web at the following url:           |
+  | http://www.php.net/license/3_01.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          |
+  | [email protected] so we can mail you a copy immediately.               |
+  +----------------------------------------------------------------------+
+  | Author:                                                              |
+  +----------------------------------------------------------------------+
+*/
+
+/* $Id: header 226204 2007-01-01 19:32:10Z iliaa $ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "php.h"
+#include "php_ini.h"
+#include "ext/standard/info.h"
+#include "php_acfilter.h"
+
+#include "mem_collector.h"
+#include "acseg_tree.h"
+#define DD printf("debug:%d %s\n",__LINE__,__FILE__);
+
+/* If you declare any globals in php_acfilter.h uncomment this:
+ZEND_DECLARE_MODULE_GLOBALS(acfilter)
+*/
+
+/* True global resources - no need for thread safety here */
+static int le_acfilter;
+#define le_acfilter_name "Acfilter Index"
+/* {{{ acfilter_functions[]
+ *
+ * Every user visible function must have an entry in acfilter_functions[].
+ */
+zend_function_entry acfilter_functions[] = {
+	PHP_FE(confirm_acfilter_compiled,	NULL)		/* For testing, remove later. */
+	PHP_FE(acfilter_new,	NULL)
+	PHP_FE(acfilter_load_dict,	NULL)
+	PHP_FE(acfilter_add_word,	NULL)
+	PHP_FE(acfilter_prepare,	NULL)
+	PHP_FE(acfilter_check_text,	NULL)
+	PHP_FE(acfilter_close,	NULL)
+	//PHP_FE(array_experiments,NULL)
+	{NULL, NULL, NULL}	/* Must be the last line in acfilter_functions[] */
+};
+/* }}} */
+
+/* {{{ acfilter_module_entry
+ */
+zend_module_entry acfilter_module_entry = {
+#if ZEND_MODULE_API_NO >= 20010901
+	STANDARD_MODULE_HEADER,
+#endif
+	"acfilter",
+	acfilter_functions,
+	PHP_MINIT(acfilter),
+	PHP_MSHUTDOWN(acfilter),
+	PHP_RINIT(acfilter),		/* Replace with NULL if there's nothing to do at request start */
+	PHP_RSHUTDOWN(acfilter),	/* Replace with NULL if there's nothing to do at request end */
+	PHP_MINFO(acfilter),
+#if ZEND_MODULE_API_NO >= 20010901
+	"0.1", /* Replace with version number for your extension */
+#endif
+	STANDARD_MODULE_PROPERTIES
+};
+/* }}} */
+
+#ifdef COMPILE_DL_ACFILTER
+ZEND_GET_MODULE(acfilter)
+#endif
+
+static void acfilter_destructor_acindex(zend_rsrc_list_entry *rsrc TSRMLS_DC){
+	acseg_index_t * acseg_index;
+	acseg_index = (acseg_index_t * )rsrc->ptr;
+	if(acseg_index)
+		acseg_destory_index(&acseg_index);
+}
+/* {{{ PHP_INI
+ */
+/* Remove comments and fill if you need to have entries in php.ini
+PHP_INI_BEGIN()
+    STD_PHP_INI_ENTRY("acfilter.global_value",      "42", PHP_INI_ALL, OnUpdateLong, global_value, zend_acfilter_globals, acfilter_globals)
+    STD_PHP_INI_ENTRY("acfilter.global_string", "foobar", PHP_INI_ALL, OnUpdateString, global_string, zend_acfilter_globals, acfilter_globals)
+PHP_INI_END()
+*/
+/* }}} */
+
+/* {{{ php_acfilter_init_globals
+ */
+/* Uncomment this function if you have INI entries
+static void php_acfilter_init_globals(zend_acfilter_globals *acfilter_globals)
+{
+	acfilter_globals->global_value = 0;
+	acfilter_globals->global_string = NULL;
+}
+*/
+/* }}} */
+
+/* {{{ PHP_MINIT_FUNCTION
+ */
+PHP_MINIT_FUNCTION(acfilter)
+{
+	/* If you have INI entries, uncomment these lines 
+	REGISTER_INI_ENTRIES();
+	*/
+	 le_acfilter= zend_register_list_destructors_ex(acfilter_destructor_acindex,NULL,le_acfilter_name,module_number);
+	return SUCCESS;
+}
+/* }}} */
+
+/* {{{ PHP_MSHUTDOWN_FUNCTION
+ */
+PHP_MSHUTDOWN_FUNCTION(acfilter)
+{
+	/* uncomment this line if you have INI entries
+	UNREGISTER_INI_ENTRIES();
+	*/
+	return SUCCESS;
+}
+/* }}} */
+
+/* Remove if there's nothing to do at request start */
+/* {{{ PHP_RINIT_FUNCTION
+ */
+PHP_RINIT_FUNCTION(acfilter)
+{
+	return SUCCESS;
+}
+/* }}} */
+
+/* Remove if there's nothing to do at request end */
+/* {{{ PHP_RSHUTDOWN_FUNCTION
+ */
+PHP_RSHUTDOWN_FUNCTION(acfilter)
+{
+	return SUCCESS;
+}
+/* }}} */
+
+/* {{{ PHP_MINFO_FUNCTION
+ */
+PHP_MINFO_FUNCTION(acfilter)
+{
+	php_info_print_table_start();
+	php_info_print_table_header(2, "acfilter support", "enabled");
+	php_info_print_table_row(2, "acfilter version", "1.0.0");
+	php_info_print_table_row(2, "acfilter author", "162cm");
+	php_info_print_table_row(2, "acfilter homepage", "http://www.162cm.com/");
+	php_info_print_table_end();
+
+	/* Remove comments if you have entries in php.ini
+	DISPLAY_INI_ENTRIES();
+	*/
+}
+/* }}} */
+
+
+/* Remove the following function when you have succesfully modified config.m4
+   so that your module can be compiled into PHP, it exists only for testing
+   purposes. */
+
+/* Every user-visible function in PHP should document itself in the source */
+/* {{{ proto string confirm_acfilter_compiled(string arg)
+   Return a string to confirm that the module is compiled in */
+PHP_FUNCTION(confirm_acfilter_compiled)
+{
+	char *arg = NULL;
+	int arg_len, len;
+	char *strg;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &arg, &arg_len) == FAILURE) {
+		return;
+	}
+
+	len = spprintf(&strg, 0, "Congratulations! You have successfully modified ext/%.78s/config.m4. Module %.78s is now compiled into PHP.", "acfilter", arg);
+	RETURN_STRINGL(strg, len, 0);
+}
+/* }}} */
+/* The previous line is meant for vim and emacs, so it can correctly fold and 
+   unfold functions in source code. See the corresponding marks just before 
+   function definition, where the functions purpose is also documented. Please 
+   follow this convention for the convenience of others editing your code.
+*/
+
+/* {{{ proto resource acfilter_new()
+    */
+PHP_FUNCTION(acfilter_new)
+{
+	if (ZEND_NUM_ARGS() != 0) {
+		WRONG_PARAM_COUNT;
+	}
+	//php_error(E_WARNING, "acfilter_new: not yet implemented");
+	acseg_index_t * acseg_index;
+	acseg_index = acseg_index_init();
+	ZEND_REGISTER_RESOURCE(return_value,acseg_index,le_acfilter);
+}
+/* }}} */
+
+/* {{{ proto  acfilter_load_dict(resource acindex, string dict_file_path)
+    */
+PHP_FUNCTION(acfilter_load_dict)
+{
+	char *dict_file_path = NULL;
+	int argc = ZEND_NUM_ARGS();
+	int acindex_id = -1;
+	int dict_file_path_len;
+	zval *acindex = NULL;
+	acseg_index_t * acseg_index;
+	if (zend_parse_parameters(argc TSRMLS_CC, "rs", &acindex, &dict_file_path, &dict_file_path_len) == FAILURE) {
+		php_error(E_WARNING,"acfilter_load_dict :wrong number of parameters ");
+		RETURN_FALSE;
+	}
+
+	if (acindex) {
+		ZEND_FETCH_RESOURCE(acseg_index, acseg_index_t *, &acindex,acindex_id,le_acfilter_name, le_acfilter);
+	}
+	else{
+		php_error(E_WARNING,"acfilter_load_dict got an invalid resource as first parameter");
+		RETURN_FALSE;
+	}
+	acseg_index=acseg_index_load(acseg_index,dict_file_path);
+	if(acseg_index ==NULL){
+		php_error(E_WARNING,"acfilter_load_dict failed");
+		RETURN_FALSE;
+	}
+	RETURN_TRUE;
+}
+/* }}} */
+
+/* {{{ proto  acfilter_add_word(resource acindex, string word)
+    */
+PHP_FUNCTION(acfilter_add_word)
+{
+	char *word = NULL;
+	int argc = ZEND_NUM_ARGS();
+	int acindex_id = -1;
+	int word_len;
+	zval *acindex = NULL;
+	acseg_index_t * acseg_index;
+
+	if (zend_parse_parameters(argc TSRMLS_CC, "rs", &acindex, &word, &word_len) == FAILURE) 
+		return;
+
+	if (acindex) {
+		ZEND_FETCH_RESOURCE(acseg_index, acseg_index_t *, &acindex,acindex_id,le_acfilter_name, le_acfilter);
+	}
+	acseg_str_t  phrase;
+	phrase.data=word;
+	phrase.len=word_len;
+
+	acseg_index=acseg_index_add(acseg_index,&phrase);
+	if(acseg_index ==NULL){
+		php_error(E_WARNING,"acfilter_load_dict failed");
+		RETURN_FALSE;
+	}
+	RETURN_TRUE;
+}
+/* }}} */
+
+/* {{{ proto  acfilter_prepare(resource acindex)
+    */
+PHP_FUNCTION(acfilter_prepare)
+{
+	int argc = ZEND_NUM_ARGS();
+	int acindex_id = -1;
+	zval *acindex = NULL;
+	acseg_index_t * acseg_index;
+	if (zend_parse_parameters(argc TSRMLS_CC, "r", &acindex) == FAILURE) {
+		WRONG_PARAM_COUNT;
+		RETURN_FALSE;
+	}
+	if (acindex) {
+		ZEND_FETCH_RESOURCE(acseg_index, acseg_index_t *, &acindex,acindex_id,le_acfilter_name, le_acfilter);
+	}
+	acseg_index_fix(acseg_index);	
+	RETURN_TRUE;
+}
+/* }}} */
+
+/* {{{ proto string acfilter_check_text(resource acindex, string text)
+    */
+PHP_FUNCTION(acfilter_check_text)
+{
+	char *text = NULL;
+	int argc = ZEND_NUM_ARGS();
+	int acindex_id = -1;
+	int text_len;
+	zval *acindex = NULL;
+	acseg_index_t * acseg_index;
+
+	if (zend_parse_parameters(argc TSRMLS_CC, "rs", &acindex, &text, &text_len) == FAILURE) 
+		return;
+
+	if (acindex) {
+		ZEND_FETCH_RESOURCE(acseg_index, acseg_index_t *, &acindex,acindex_id,le_acfilter_name, le_acfilter);
+	}
+
+	acseg_result_t * seg_result;
+	acseg_str_t acseg_text;
+	acseg_text.data=text;
+	acseg_text.len=text_len;
+	seg_result = acseg_full_seg(acseg_index, &acseg_text);
+	acseg_str_t *phrase;
+	acseg_list_item_t *result_item;
+	result_item = seg_result->list->first;
+
+	char * ret;
+	ret=malloc(sizeof(char)*2*text_len);
+	bzero(ret,sizeof(char)*2*text_len);
+	if(!ret){
+		php_error(E_ERROR,"acfilter:can't alloc enough memory");
+	}
+	while (result_item) {
+		phrase = (acseg_str_t *) result_item->data; 
+		result_item = result_item->next;
+		strncat(ret,phrase->data,phrase->len);
+		strcat(ret," ");
+	}
+	acseg_destory_result(&seg_result);
+	//RETURN_TRUE;
+	RETURN_STRING(ret,1);
+}
+/* }}} */
+
+/* {{{ proto  acfilter_close(resource acindex)
+    */
+PHP_FUNCTION(acfilter_close)
+{
+	int argc = ZEND_NUM_ARGS();
+	int acindex_id = -1;
+	zval *acindex = NULL;
+	acseg_index_t * acseg_index;
+
+	if (zend_parse_parameters(argc TSRMLS_CC, "r", &acindex) == FAILURE) 
+		return;
+
+	if (acindex) {
+		ZEND_FETCH_RESOURCE(acseg_index, acseg_index_t *, &acindex,acindex_id,le_acfilter_name, le_acfilter);
+	}
+	RETURN_BOOL(zend_list_delete(Z_LVAL_P(acindex)) == SUCCESS);
+	RETURN_TRUE;
+}
+/* }}} */
+
+PHP_FUNCTION(array_experiments) 
+{ 
+   zval *new_element;
+
+   MAKE_STD_ZVAL(new_element);
+
+   array_init(return_value);
+
+   ZVAL_LONG(new_element, 10); 
+   zend_hash_index_update(HASH_OF(return_value), 3, (void *)&new_element, sizeof(zval *), NULL); 
+   add_next_index_long(return_value, 20); 
+}
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */

acfilter.php

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+<?php
+$br = (php_sapi_name() == "cli")? "":"<br>";
+
+$ac=acfilter_new();
+var_dump($ac);
+//acfilter_load_dict($ac,"/home/renlu/dict.txt");
+acfilter_add_word($ac,"河边");
+acfilter_prepare($ac);
+var_dump(acfilter_check_text($ac,"我们一起来到河边"));
+acfilter_close($ac);
+//var_dump(array_experiments());
+?>