mirror of
https://github.com/php/php-src.git
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1084 lines
30 KiB
C
1084 lines
30 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2006 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Zeev Suraski <zeev@zend.com> |
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| Thies C. Arntzen <thies@thieso.net> |
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| Marcus Boerger <helly@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php.h"
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#include "ext/standard/head.h"
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#include "ext/standard/basic_functions.h"
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#include "ext/standard/url_scanner_ex.h"
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#if HAVE_ZLIB && !defined(COMPILE_DL_ZLIB)
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#include "ext/zlib/php_zlib.h"
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#endif
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#include "SAPI.h"
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#define OB_DEFAULT_HANDLER_NAME "default output handler"
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/* output functions */
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static int php_b_body_write(const char *str, uint str_length TSRMLS_DC);
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static int php_ob_init(uint initial_size, uint block_size, zval *output_handler, uint chunk_size, zend_bool erase TSRMLS_DC);
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static void php_ob_append(const char *text, uint text_length TSRMLS_DC);
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#if 0
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static void php_ob_prepend(const char *text, uint text_length);
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#endif
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#ifdef ZTS
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int output_globals_id;
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#else
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php_output_globals output_globals;
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#endif
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/* {{{ php_default_output_func */
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PHPAPI int php_default_output_func(const char *str, uint str_len TSRMLS_DC)
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{
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fwrite(str, 1, str_len, stderr);
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return str_len;
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}
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/* }}} */
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/* {{{ php_output_init_globals */
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static void php_output_init_globals(php_output_globals *output_globals_p TSRMLS_DC)
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{
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OG(php_body_write) = php_default_output_func;
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OG(php_header_write) = php_default_output_func;
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OG(implicit_flush) = 0;
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OG(output_start_filename) = NULL;
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OG(output_start_lineno) = 0;
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}
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/* }}} */
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/* {{{ php_output_startup
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Start output layer */
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PHPAPI void php_output_startup(void)
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{
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#ifdef ZTS
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ts_allocate_id(&output_globals_id, sizeof(php_output_globals), (ts_allocate_ctor) php_output_init_globals, NULL);
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#else
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php_output_init_globals(&output_globals TSRMLS_CC);
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#endif
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}
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/* }}} */
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/* {{{ php_output_activate
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Initilize output global for activation */
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PHPAPI void php_output_activate(TSRMLS_D)
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{
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OG(php_body_write) = php_ub_body_write;
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OG(php_header_write) = sapi_module.ub_write;
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OG(ob_nesting_level) = 0;
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OG(ob_lock) = 0;
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OG(disable_output) = 0;
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OG(output_start_filename) = NULL;
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OG(output_start_lineno) = 0;
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}
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/* }}} */
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/* {{{ php_output_set_status
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Toggle output status. Do NOT use in application code, only in SAPIs where appropriate. */
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PHPAPI void php_output_set_status(zend_bool status TSRMLS_DC)
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{
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OG(disable_output) = !status;
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}
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/* }}} */
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/* {{{ php_output_register_constants */
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void php_output_register_constants(TSRMLS_D)
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{
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REGISTER_MAIN_LONG_CONSTANT("PHP_OUTPUT_HANDLER_START", PHP_OUTPUT_HANDLER_START, CONST_CS | CONST_PERSISTENT);
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REGISTER_MAIN_LONG_CONSTANT("PHP_OUTPUT_HANDLER_CONT", PHP_OUTPUT_HANDLER_CONT, CONST_CS | CONST_PERSISTENT);
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REGISTER_MAIN_LONG_CONSTANT("PHP_OUTPUT_HANDLER_END", PHP_OUTPUT_HANDLER_END, CONST_CS | CONST_PERSISTENT);
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}
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/* }}} */
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/* {{{ php_body_wirte
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* Write body part */
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PHPAPI int php_body_write(const char *str, uint str_length TSRMLS_DC)
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{
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return OG(php_body_write)(str, str_length TSRMLS_CC);
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}
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/* }}} */
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/* {{{ php_header_wirte
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* Write HTTP header */
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PHPAPI int php_header_write(const char *str, uint str_length TSRMLS_DC)
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{
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if (OG(disable_output)) {
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return 0;
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} else {
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return OG(php_header_write)(str, str_length TSRMLS_CC);
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}
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}
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/* }}} */
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/* {{{ php_start_ob_buffer
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* Start output buffering */
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PHPAPI int php_start_ob_buffer(zval *output_handler, uint chunk_size, zend_bool erase TSRMLS_DC)
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{
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uint initial_size, block_size;
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if (OG(ob_lock)) {
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if (SG(headers_sent) && !SG(request_info).headers_only) {
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OG(php_body_write) = php_ub_body_write_no_header;
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} else {
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OG(php_body_write) = php_ub_body_write;
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}
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OG(ob_nesting_level) = 0;
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php_error_docref("ref.outcontrol" TSRMLS_CC, E_ERROR, "Cannot use output buffering in output buffering display handlers");
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return FAILURE;
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}
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if (chunk_size > 0) {
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if (chunk_size==1) {
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chunk_size = 4096;
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}
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initial_size = (chunk_size*3/2);
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block_size = chunk_size/2;
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} else {
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initial_size = 40*1024;
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block_size = 10*1024;
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}
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return php_ob_init(initial_size, block_size, output_handler, chunk_size, erase TSRMLS_CC);
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}
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/* }}} */
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/* {{{ php_start_ob_buffer_named
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* Start output buffering */
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PHPAPI int php_start_ob_buffer_named(const char *output_handler_name, uint chunk_size, zend_bool erase TSRMLS_DC)
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{
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zval *output_handler;
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int result;
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ALLOC_INIT_ZVAL(output_handler);
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Z_STRLEN_P(output_handler) = strlen(output_handler_name); /* this can be optimized */
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Z_STRVAL_P(output_handler) = estrndup(output_handler_name, Z_STRLEN_P(output_handler));
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Z_TYPE_P(output_handler) = IS_STRING;
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result = php_start_ob_buffer(output_handler, chunk_size, erase TSRMLS_CC);
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zval_dtor(output_handler);
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FREE_ZVAL(output_handler);
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return result;
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}
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/* }}} */
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/* {{{ php_end_ob_buffer
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* End output buffering (one level) */
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PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush TSRMLS_DC)
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{
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char *final_buffer=NULL;
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unsigned int final_buffer_length=0;
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zval *alternate_buffer=NULL;
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char *to_be_destroyed_buffer, *to_be_destroyed_handler_name;
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char *to_be_destroyed_handled_output[2] = { 0, 0 };
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int status;
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php_ob_buffer *prev_ob_buffer_p=NULL;
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php_ob_buffer orig_ob_buffer;
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if (OG(ob_nesting_level)==0) {
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return;
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}
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status = 0;
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if (!OG(active_ob_buffer).status & PHP_OUTPUT_HANDLER_START) {
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/* our first call */
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status |= PHP_OUTPUT_HANDLER_START;
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}
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if (just_flush) {
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status |= PHP_OUTPUT_HANDLER_CONT;
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} else {
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status |= PHP_OUTPUT_HANDLER_END;
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}
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#if 0
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{
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FILE *fp;
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fp = fopen("/tmp/ob_log", "a");
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fprintf(fp, "NestLevel: %d ObStatus: %d HandlerName: %s\n", OG(ob_nesting_level), status, OG(active_ob_buffer).handler_name);
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fclose(fp);
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}
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#endif
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if (OG(active_ob_buffer).internal_output_handler) {
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final_buffer = OG(active_ob_buffer).internal_output_handler_buffer;
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final_buffer_length = OG(active_ob_buffer).internal_output_handler_buffer_size;
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OG(active_ob_buffer).internal_output_handler(OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, &final_buffer, &final_buffer_length, status TSRMLS_CC);
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} else if (OG(active_ob_buffer).output_handler) {
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zval **params[2];
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zval *orig_buffer;
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zval *z_status;
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ALLOC_INIT_ZVAL(orig_buffer);
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ZVAL_STRINGL(orig_buffer, OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, 1);
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orig_buffer->refcount=2; /* don't let call_user_function() destroy our buffer */
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orig_buffer->is_ref=1;
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ALLOC_INIT_ZVAL(z_status);
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ZVAL_LONG(z_status, status);
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params[0] = &orig_buffer;
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params[1] = &z_status;
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OG(ob_lock) = 1;
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if (call_user_function_ex(CG(function_table), NULL, OG(active_ob_buffer).output_handler, &alternate_buffer, 2, params, 1, NULL TSRMLS_CC)==SUCCESS) {
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if (alternate_buffer && !(Z_TYPE_P(alternate_buffer)==IS_BOOL && Z_BVAL_P(alternate_buffer)==0)) {
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convert_to_string_ex(&alternate_buffer);
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final_buffer = Z_STRVAL_P(alternate_buffer);
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final_buffer_length = Z_STRLEN_P(alternate_buffer);
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}
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}
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OG(ob_lock) = 0;
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if (!just_flush) {
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zval_ptr_dtor(&OG(active_ob_buffer).output_handler);
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}
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orig_buffer->refcount -=2;
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if (orig_buffer->refcount <= 0) { /* free the zval */
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zval_dtor(orig_buffer);
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FREE_ZVAL(orig_buffer);
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}
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zval_ptr_dtor(&z_status);
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}
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if (!final_buffer) {
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final_buffer = OG(active_ob_buffer).buffer;
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final_buffer_length = OG(active_ob_buffer).text_length;
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}
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if (OG(ob_nesting_level)==1) { /* end buffering */
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if (SG(headers_sent) && !SG(request_info).headers_only) {
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OG(php_body_write) = php_ub_body_write_no_header;
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} else {
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OG(php_body_write) = php_ub_body_write;
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}
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}
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to_be_destroyed_buffer = OG(active_ob_buffer).buffer;
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to_be_destroyed_handler_name = OG(active_ob_buffer).handler_name;
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if (OG(active_ob_buffer).internal_output_handler
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&& (final_buffer != OG(active_ob_buffer).internal_output_handler_buffer)
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&& (final_buffer != OG(active_ob_buffer).buffer)) {
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to_be_destroyed_handled_output[0] = final_buffer;
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}
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if (!just_flush) {
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if (OG(active_ob_buffer).internal_output_handler) {
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to_be_destroyed_handled_output[1] = OG(active_ob_buffer).internal_output_handler_buffer;
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}
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}
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if (OG(ob_nesting_level)>1) { /* restore previous buffer */
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zend_stack_top(&OG(ob_buffers), (void **) &prev_ob_buffer_p);
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orig_ob_buffer = OG(active_ob_buffer);
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OG(active_ob_buffer) = *prev_ob_buffer_p;
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zend_stack_del_top(&OG(ob_buffers));
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if (!just_flush && OG(ob_nesting_level)==2) { /* destroy the stack */
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zend_stack_destroy(&OG(ob_buffers));
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}
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}
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OG(ob_nesting_level)--;
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if (send_buffer) {
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if (just_flush) { /* if flush is called prior to proper end, ensure presence of NUL */
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final_buffer[final_buffer_length] = '\0';
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}
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OG(php_body_write)(final_buffer, final_buffer_length TSRMLS_CC);
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}
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if (just_flush) { /* we restored the previous ob, return to the current */
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if (prev_ob_buffer_p) {
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zend_stack_push(&OG(ob_buffers), &OG(active_ob_buffer), sizeof(php_ob_buffer));
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OG(active_ob_buffer) = orig_ob_buffer;
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}
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OG(ob_nesting_level)++;
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}
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if (alternate_buffer) {
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zval_ptr_dtor(&alternate_buffer);
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}
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if (status & PHP_OUTPUT_HANDLER_END) {
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efree(to_be_destroyed_handler_name);
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}
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if (!just_flush) {
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efree(to_be_destroyed_buffer);
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} else {
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OG(active_ob_buffer).text_length = 0;
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OG(active_ob_buffer).status |= PHP_OUTPUT_HANDLER_START;
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OG(php_body_write) = php_b_body_write;
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}
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if (to_be_destroyed_handled_output[0]) {
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efree(to_be_destroyed_handled_output[0]);
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}
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if (to_be_destroyed_handled_output[1]) {
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efree(to_be_destroyed_handled_output[1]);
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}
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}
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/* }}} */
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/* {{{ php_end_ob_buffers
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* End output buffering (all buffers) */
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PHPAPI void php_end_ob_buffers(zend_bool send_buffer TSRMLS_DC)
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{
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while (OG(ob_nesting_level)!=0) {
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php_end_ob_buffer(send_buffer, 0 TSRMLS_CC);
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}
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}
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/* }}} */
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/* {{{ php_start_implicit_flush
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*/
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PHPAPI void php_start_implicit_flush(TSRMLS_D)
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{
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OG(implicit_flush)=1;
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}
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/* }}} */
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/* {{{ php_end_implicit_flush
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*/
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PHPAPI void php_end_implicit_flush(TSRMLS_D)
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{
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OG(implicit_flush)=0;
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}
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/* }}} */
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/* {{{ php_ob_set_internal_handler
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*/
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PHPAPI void php_ob_set_internal_handler(php_output_handler_func_t internal_output_handler, uint buffer_size, char *handler_name, zend_bool erase TSRMLS_DC)
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{
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if (OG(ob_nesting_level)==0 || OG(active_ob_buffer).internal_output_handler || strcmp(OG(active_ob_buffer).handler_name, OB_DEFAULT_HANDLER_NAME)) {
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php_start_ob_buffer(NULL, buffer_size, erase TSRMLS_CC);
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}
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OG(active_ob_buffer).internal_output_handler = internal_output_handler;
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OG(active_ob_buffer).internal_output_handler_buffer = (char *) emalloc(buffer_size);
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OG(active_ob_buffer).internal_output_handler_buffer_size = buffer_size;
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if (OG(active_ob_buffer).handler_name) {
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efree(OG(active_ob_buffer).handler_name);
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}
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OG(active_ob_buffer).handler_name = estrdup(handler_name);
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OG(active_ob_buffer).erase = erase;
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}
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/* }}} */
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/*
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* Output buffering - implementation
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*/
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/* {{{ php_ob_allocate
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*/
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static inline void php_ob_allocate(uint text_length TSRMLS_DC)
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{
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uint new_len = OG(active_ob_buffer).text_length + text_length;
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if (OG(active_ob_buffer).size < new_len) {
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uint buf_size = OG(active_ob_buffer).size;
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while (buf_size <= new_len) {
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buf_size += OG(active_ob_buffer).block_size;
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}
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OG(active_ob_buffer).buffer = (char *) erealloc(OG(active_ob_buffer).buffer, buf_size+1);
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OG(active_ob_buffer).size = buf_size;
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}
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OG(active_ob_buffer).text_length = new_len;
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}
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/* }}} */
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/* {{{ php_ob_init_conflict
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* Returns 1 if handler_set is already used and generates error message
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*/
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PHPAPI int php_ob_init_conflict(char *handler_new, char *handler_set TSRMLS_DC)
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{
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if (php_ob_handler_used(handler_set TSRMLS_CC)) {
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php_error_docref("ref.outcontrol" TSRMLS_CC, E_WARNING, "output handler '%s' conflicts with '%s'", handler_new, handler_set);
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return 1;
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}
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return 0;
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}
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/* }}} */
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/* {{{ php_ob_init_named
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*/
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static int php_ob_init_named(uint initial_size, uint block_size, char *handler_name, zval *output_handler, uint chunk_size, zend_bool erase TSRMLS_DC)
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{
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if (output_handler && !zend_is_callable(output_handler, 0, NULL)) {
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return FAILURE;
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}
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if (OG(ob_nesting_level)>0) {
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#if HAVE_ZLIB && !defined(COMPILE_DL_ZLIB)
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if (!strncmp(handler_name, "ob_gzhandler", sizeof("ob_gzhandler")) && php_ob_gzhandler_check(TSRMLS_C)) {
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return FAILURE;
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}
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#endif
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if (OG(ob_nesting_level)==1) { /* initialize stack */
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zend_stack_init(&OG(ob_buffers));
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}
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zend_stack_push(&OG(ob_buffers), &OG(active_ob_buffer), sizeof(php_ob_buffer));
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}
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OG(ob_nesting_level)++;
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OG(active_ob_buffer).block_size = block_size;
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OG(active_ob_buffer).size = initial_size;
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OG(active_ob_buffer).buffer = (char *) emalloc(initial_size+1);
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OG(active_ob_buffer).text_length = 0;
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OG(active_ob_buffer).output_handler = output_handler;
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OG(active_ob_buffer).chunk_size = chunk_size;
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OG(active_ob_buffer).status = 0;
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OG(active_ob_buffer).internal_output_handler = NULL;
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OG(active_ob_buffer).handler_name = estrdup(handler_name&&handler_name[0]?handler_name:OB_DEFAULT_HANDLER_NAME);
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OG(active_ob_buffer).erase = erase;
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OG(php_body_write) = php_b_body_write;
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return SUCCESS;
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}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ob_handler_from_string
|
|
* Create zval output handler from string
|
|
*/
|
|
static zval* php_ob_handler_from_string(const char *handler_name, int len TSRMLS_DC)
|
|
{
|
|
zval *output_handler;
|
|
|
|
ALLOC_INIT_ZVAL(output_handler);
|
|
Z_STRLEN_P(output_handler) = len;
|
|
Z_STRVAL_P(output_handler) = estrndup(handler_name, len);
|
|
Z_TYPE_P(output_handler) = IS_STRING;
|
|
return output_handler;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ob_init
|
|
*/
|
|
static int php_ob_init(uint initial_size, uint block_size, zval *output_handler, uint chunk_size, zend_bool erase TSRMLS_DC)
|
|
{
|
|
int result = FAILURE, handler_len, len;
|
|
char *handler_name, *next_handler_name;
|
|
HashPosition pos;
|
|
zval **tmp;
|
|
zval *handler_zval;
|
|
|
|
if (output_handler && output_handler->type == IS_STRING) {
|
|
handler_name = Z_STRVAL_P(output_handler);
|
|
handler_len = Z_STRLEN_P(output_handler);
|
|
|
|
result = SUCCESS;
|
|
if (handler_len && handler_name[0] != '\0') {
|
|
while ((next_handler_name=strchr(handler_name, ',')) != NULL) {
|
|
len = next_handler_name-handler_name;
|
|
next_handler_name = estrndup(handler_name, len);
|
|
handler_zval = php_ob_handler_from_string(next_handler_name, len TSRMLS_CC);
|
|
result = php_ob_init_named(initial_size, block_size, next_handler_name, handler_zval, chunk_size, erase TSRMLS_CC);
|
|
if (result != SUCCESS) {
|
|
zval_dtor(handler_zval);
|
|
FREE_ZVAL(handler_zval);
|
|
}
|
|
handler_name += len+1;
|
|
handler_len -= len+1;
|
|
efree(next_handler_name);
|
|
}
|
|
}
|
|
if (result == SUCCESS) {
|
|
handler_zval = php_ob_handler_from_string(handler_name, handler_len TSRMLS_CC);
|
|
result = php_ob_init_named(initial_size, block_size, handler_name, handler_zval, chunk_size, erase TSRMLS_CC);
|
|
if (result != SUCCESS) {
|
|
zval_dtor(handler_zval);
|
|
FREE_ZVAL(handler_zval);
|
|
}
|
|
}
|
|
} else if (output_handler && output_handler->type == IS_ARRAY) {
|
|
/* do we have array(object,method) */
|
|
if (zend_is_callable(output_handler, 0, &handler_name)) {
|
|
SEPARATE_ZVAL(&output_handler);
|
|
output_handler->refcount++;
|
|
result = php_ob_init_named(initial_size, block_size, handler_name, output_handler, chunk_size, erase TSRMLS_CC);
|
|
efree(handler_name);
|
|
} else {
|
|
efree(handler_name);
|
|
/* init all array elements recursively */
|
|
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(output_handler), &pos);
|
|
while (zend_hash_get_current_data_ex(Z_ARRVAL_P(output_handler), (void **)&tmp, &pos) == SUCCESS) {
|
|
result = php_ob_init(initial_size, block_size, *tmp, chunk_size, erase TSRMLS_CC);
|
|
if (result == FAILURE) {
|
|
break;
|
|
}
|
|
zend_hash_move_forward_ex(Z_ARRVAL_P(output_handler), &pos);
|
|
}
|
|
}
|
|
} else if (output_handler && output_handler->type == IS_OBJECT) {
|
|
php_error_docref(NULL TSRMLS_CC, E_ERROR, "No method name given: use ob_start(array($object,'method')) to specify instance $object and the name of a method of class %s to use as output handler", Z_OBJCE_P(output_handler)->name);
|
|
result = FAILURE;
|
|
} else {
|
|
result = php_ob_init_named(initial_size, block_size, OB_DEFAULT_HANDLER_NAME, NULL, chunk_size, erase TSRMLS_CC);
|
|
}
|
|
return result;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ob_list_each
|
|
*/
|
|
static int php_ob_list_each(php_ob_buffer *ob_buffer, zval *ob_handler_array)
|
|
{
|
|
add_next_index_string(ob_handler_array, ob_buffer->handler_name, 1);
|
|
return 0;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto false|array ob_list_handlers()
|
|
* List all output_buffers in an array
|
|
*/
|
|
PHP_FUNCTION(ob_list_handlers)
|
|
{
|
|
if (ZEND_NUM_ARGS()!=0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
array_init(return_value);
|
|
if (OG(ob_nesting_level)) {
|
|
if (OG(ob_nesting_level)>1) {
|
|
zend_stack_apply_with_argument(&OG(ob_buffers), ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_ob_list_each, return_value);
|
|
}
|
|
php_ob_list_each(&OG(active_ob_buffer), return_value);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ob_used_each
|
|
* Sets handler_name to NULL is found
|
|
*/
|
|
static int php_ob_handler_used_each(php_ob_buffer *ob_buffer, char **handler_name)
|
|
{
|
|
if (!strcmp(ob_buffer->handler_name, *handler_name)) {
|
|
*handler_name = NULL;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ob_used
|
|
* returns 1 if given handler_name is used as output_handler
|
|
*/
|
|
PHPAPI int php_ob_handler_used(char *handler_name TSRMLS_DC)
|
|
{
|
|
char *tmp = handler_name;
|
|
|
|
if (OG(ob_nesting_level)) {
|
|
if (!strcmp(OG(active_ob_buffer).handler_name, handler_name)) {
|
|
return 1;
|
|
}
|
|
if (OG(ob_nesting_level)>1) {
|
|
zend_stack_apply_with_argument(&OG(ob_buffers), ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_ob_handler_used_each, &tmp);
|
|
}
|
|
}
|
|
return tmp ? 0 : 1;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ob_append
|
|
*/
|
|
static inline void php_ob_append(const char *text, uint text_length TSRMLS_DC)
|
|
{
|
|
char *target;
|
|
int original_ob_text_length;
|
|
|
|
original_ob_text_length=OG(active_ob_buffer).text_length;
|
|
|
|
php_ob_allocate(text_length TSRMLS_CC);
|
|
target = OG(active_ob_buffer).buffer+original_ob_text_length;
|
|
memcpy(target, text, text_length);
|
|
target[text_length]=0;
|
|
|
|
/* If implicit_flush is On or chunked buffering, send contents to next buffer and return. */
|
|
if (OG(active_ob_buffer).chunk_size
|
|
&& OG(active_ob_buffer).text_length >= OG(active_ob_buffer).chunk_size) {
|
|
zval *output_handler = OG(active_ob_buffer).output_handler;
|
|
|
|
if (output_handler) {
|
|
output_handler->refcount++;
|
|
}
|
|
php_end_ob_buffer(1, 1 TSRMLS_CC);
|
|
return;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
#if 0
|
|
static inline void php_ob_prepend(const char *text, uint text_length)
|
|
{
|
|
char *p, *start;
|
|
TSRMLS_FETCH();
|
|
|
|
php_ob_allocate(text_length TSRMLS_CC);
|
|
|
|
/* php_ob_allocate() may change OG(ob_buffer), so we can't initialize p&start earlier */
|
|
p = OG(ob_buffer)+OG(ob_text_length);
|
|
start = OG(ob_buffer);
|
|
|
|
while (--p>=start) {
|
|
p[text_length] = *p;
|
|
}
|
|
memcpy(OG(ob_buffer), text, text_length);
|
|
OG(ob_buffer)[OG(active_ob_buffer).text_length]=0;
|
|
}
|
|
#endif
|
|
|
|
|
|
/* {{{ php_ob_get_buffer
|
|
* Return the current output buffer */
|
|
PHPAPI int php_ob_get_buffer(zval *p TSRMLS_DC)
|
|
{
|
|
if (OG(ob_nesting_level)==0) {
|
|
return FAILURE;
|
|
}
|
|
ZVAL_STRINGL(p, OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, 1);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ob_get_length
|
|
* Return the size of the current output buffer */
|
|
PHPAPI int php_ob_get_length(zval *p TSRMLS_DC)
|
|
{
|
|
if (OG(ob_nesting_level) == 0) {
|
|
return FAILURE;
|
|
}
|
|
ZVAL_LONG(p, OG(active_ob_buffer).text_length);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/*
|
|
* Wrapper functions - implementation
|
|
*/
|
|
|
|
|
|
/* buffered output function */
|
|
static int php_b_body_write(const char *str, uint str_length TSRMLS_DC)
|
|
{
|
|
php_ob_append(str, str_length TSRMLS_CC);
|
|
return str_length;
|
|
}
|
|
|
|
/* {{{ php_ub_body_write_no_header
|
|
*/
|
|
PHPAPI int php_ub_body_write_no_header(const char *str, uint str_length TSRMLS_DC)
|
|
{
|
|
int result;
|
|
|
|
if (OG(disable_output)) {
|
|
return 0;
|
|
}
|
|
|
|
result = OG(php_header_write)(str, str_length TSRMLS_CC);
|
|
|
|
if (OG(implicit_flush)) {
|
|
sapi_flush(TSRMLS_C);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ub_body_write
|
|
*/
|
|
PHPAPI int php_ub_body_write(const char *str, uint str_length TSRMLS_DC)
|
|
{
|
|
int result = 0;
|
|
|
|
if (SG(request_info).headers_only) {
|
|
if(SG(headers_sent)) {
|
|
return 0;
|
|
}
|
|
php_header(TSRMLS_C);
|
|
zend_bailout();
|
|
}
|
|
if (php_header(TSRMLS_C)) {
|
|
if (zend_is_compiling(TSRMLS_C)) {
|
|
OG(output_start_filename) = zend_get_compiled_filename(TSRMLS_C);
|
|
OG(output_start_lineno) = zend_get_compiled_lineno(TSRMLS_C);
|
|
} else if (zend_is_executing(TSRMLS_C)) {
|
|
OG(output_start_filename) = zend_get_executed_filename(TSRMLS_C);
|
|
OG(output_start_lineno) = zend_get_executed_lineno(TSRMLS_C);
|
|
}
|
|
|
|
OG(php_body_write) = php_ub_body_write_no_header;
|
|
result = php_ub_body_write_no_header(str, str_length TSRMLS_CC);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
/* }}} */
|
|
|
|
/*
|
|
* HEAD support
|
|
*/
|
|
|
|
/* {{{ proto bool ob_start([ string|array user_function [, int chunk_size [, bool erase]]])
|
|
Turn on Output Buffering (specifying an optional output handler). */
|
|
PHP_FUNCTION(ob_start)
|
|
{
|
|
zval *output_handler=NULL;
|
|
long chunk_size=0;
|
|
zend_bool erase=1;
|
|
int argc = ZEND_NUM_ARGS();
|
|
|
|
if (zend_parse_parameters(argc TSRMLS_CC, "|zlb", &output_handler, &chunk_size, &erase) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (chunk_size < 0)
|
|
chunk_size = 0;
|
|
|
|
if (php_start_ob_buffer(output_handler, chunk_size, erase TSRMLS_CC)==FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool ob_flush(void)
|
|
Flush (send) contents of the output buffer. The last buffer content is sent to next buffer */
|
|
PHP_FUNCTION(ob_flush)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
if (!OG(ob_nesting_level)) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to flush buffer. No buffer to flush.");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
php_end_ob_buffer(1, 1 TSRMLS_CC);
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ proto bool ob_clean(void)
|
|
Clean (delete) the current output buffer */
|
|
PHP_FUNCTION(ob_clean)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
if (!OG(ob_nesting_level)) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer. No buffer to delete.");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (!OG(active_ob_buffer).status && !OG(active_ob_buffer).erase) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer %s.", OG(active_ob_buffer).handler_name);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
php_end_ob_buffer(0, 1 TSRMLS_CC);
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool ob_end_flush(void)
|
|
Flush (send) the output buffer, and delete current output buffer */
|
|
PHP_FUNCTION(ob_end_flush)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
if (!OG(ob_nesting_level)) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete and flush buffer. No buffer to delete or flush.");
|
|
RETURN_FALSE;
|
|
}
|
|
if (OG(ob_nesting_level) && !OG(active_ob_buffer).status && !OG(active_ob_buffer).erase) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer %s.", OG(active_ob_buffer).handler_name);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
php_end_ob_buffer(1, 0 TSRMLS_CC);
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool ob_end_clean(void)
|
|
Clean the output buffer, and delete current output buffer */
|
|
PHP_FUNCTION(ob_end_clean)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
if (!OG(ob_nesting_level)) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer. No buffer to delete.");
|
|
RETURN_FALSE;
|
|
}
|
|
if (OG(ob_nesting_level) && !OG(active_ob_buffer).status && !OG(active_ob_buffer).erase) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer %s.", OG(active_ob_buffer).handler_name);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
php_end_ob_buffer(0, 0 TSRMLS_CC);
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool ob_get_flush(void)
|
|
Get current buffer contents, flush (send) the output buffer, and delete current output buffer */
|
|
PHP_FUNCTION(ob_get_flush)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
/* get contents */
|
|
if (php_ob_get_buffer(return_value TSRMLS_CC)==FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
/* error checks */
|
|
if (!OG(ob_nesting_level)) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete and flush buffer. No buffer to delete or flush.");
|
|
RETURN_FALSE;
|
|
}
|
|
if (OG(ob_nesting_level) && !OG(active_ob_buffer).status && !OG(active_ob_buffer).erase) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer %s.", OG(active_ob_buffer).handler_name);
|
|
RETURN_FALSE;
|
|
}
|
|
/* flush */
|
|
php_end_ob_buffer(1, 0 TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool ob_get_clean(void)
|
|
Get current buffer contents and delete current output buffer */
|
|
PHP_FUNCTION(ob_get_clean)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0)
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
|
|
/* get contents */
|
|
if (php_ob_get_buffer(return_value TSRMLS_CC)==FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
/* error checks */
|
|
if (!OG(ob_nesting_level)) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer. No buffer to delete.");
|
|
RETURN_FALSE;
|
|
}
|
|
if (OG(ob_nesting_level) && !OG(active_ob_buffer).status && !OG(active_ob_buffer).erase) {
|
|
php_error_docref("ref.outcontrol" TSRMLS_CC, E_NOTICE, "failed to delete buffer %s.", OG(active_ob_buffer).handler_name);
|
|
RETURN_FALSE;
|
|
}
|
|
/* delete buffer */
|
|
php_end_ob_buffer(0, 0 TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string ob_get_contents(void)
|
|
Return the contents of the output buffer */
|
|
PHP_FUNCTION(ob_get_contents)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
if (php_ob_get_buffer(return_value TSRMLS_CC)==FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int ob_get_level(void)
|
|
Return the nesting level of the output buffer */
|
|
PHP_FUNCTION(ob_get_level)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
RETURN_LONG (OG(ob_nesting_level));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int ob_get_length(void)
|
|
Return the length of the output buffer */
|
|
PHP_FUNCTION(ob_get_length)
|
|
{
|
|
if (ZEND_NUM_ARGS() != 0) {
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
}
|
|
|
|
if (php_ob_get_length(return_value TSRMLS_CC)==FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ int php_ob_buffer_status(php_ob_buffer *ob_buffer, zval *result) */
|
|
static int php_ob_buffer_status(php_ob_buffer *ob_buffer, zval *result)
|
|
{
|
|
zval *elem;
|
|
|
|
MAKE_STD_ZVAL(elem);
|
|
array_init(elem);
|
|
|
|
add_assoc_long(elem, "chunk_size", ob_buffer->chunk_size);
|
|
if (!ob_buffer->chunk_size) {
|
|
add_assoc_long(elem, "size", ob_buffer->size);
|
|
add_assoc_long(elem, "block_size", ob_buffer->block_size);
|
|
}
|
|
if (ob_buffer->internal_output_handler) {
|
|
add_assoc_long(elem, "type", PHP_OUTPUT_HANDLER_INTERNAL);
|
|
add_assoc_long(elem, "buffer_size", ob_buffer->internal_output_handler_buffer_size);
|
|
}
|
|
else {
|
|
add_assoc_long(elem, "type", PHP_OUTPUT_HANDLER_USER);
|
|
}
|
|
add_assoc_long(elem, "status", ob_buffer->status);
|
|
add_assoc_string(elem, "name", ob_buffer->handler_name, 1);
|
|
add_assoc_bool(elem, "del", ob_buffer->erase);
|
|
add_next_index_zval(result, elem);
|
|
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ proto false|array ob_get_status([bool full_status])
|
|
Return the status of the active or all output buffers */
|
|
PHP_FUNCTION(ob_get_status)
|
|
{
|
|
int argc = ZEND_NUM_ARGS();
|
|
zend_bool full_status = 0;
|
|
|
|
if (zend_parse_parameters(argc TSRMLS_CC, "|b", &full_status) == FAILURE )
|
|
RETURN_FALSE;
|
|
|
|
array_init(return_value);
|
|
|
|
if (full_status) {
|
|
if (OG(ob_nesting_level)>1) {
|
|
zend_stack_apply_with_argument(&OG(ob_buffers), ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *elem, void *))php_ob_buffer_status, return_value);
|
|
}
|
|
if (OG(ob_nesting_level)>0 && php_ob_buffer_status(&OG(active_ob_buffer), return_value)==FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
} else if (OG(ob_nesting_level)>0) {
|
|
add_assoc_long(return_value, "level", OG(ob_nesting_level));
|
|
if (OG(active_ob_buffer).internal_output_handler) {
|
|
add_assoc_long(return_value, "type", PHP_OUTPUT_HANDLER_INTERNAL);
|
|
} else {
|
|
add_assoc_long(return_value, "type", PHP_OUTPUT_HANDLER_USER);
|
|
}
|
|
add_assoc_long(return_value, "status", OG(active_ob_buffer).status);
|
|
add_assoc_string(return_value, "name", OG(active_ob_buffer).handler_name, 1);
|
|
add_assoc_bool(return_value, "del", OG(active_ob_buffer).erase);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ proto void ob_implicit_flush([int flag])
|
|
Turn implicit flush on/off and is equivalent to calling flush() after every output call */
|
|
PHP_FUNCTION(ob_implicit_flush)
|
|
{
|
|
zval **zv_flag;
|
|
int flag;
|
|
|
|
switch(ZEND_NUM_ARGS()) {
|
|
case 0:
|
|
flag = 1;
|
|
break;
|
|
case 1:
|
|
if (zend_get_parameters_ex(1, &zv_flag)==FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
convert_to_long_ex(zv_flag);
|
|
flag = Z_LVAL_PP(zv_flag);
|
|
break;
|
|
default:
|
|
ZEND_WRONG_PARAM_COUNT();
|
|
break;
|
|
}
|
|
if (flag) {
|
|
php_start_implicit_flush(TSRMLS_C);
|
|
} else {
|
|
php_end_implicit_flush(TSRMLS_C);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ char *php_get_output_start_filename(TSRMLS_D)
|
|
Return filename start output something */
|
|
PHPAPI char *php_get_output_start_filename(TSRMLS_D)
|
|
{
|
|
return OG(output_start_filename);
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ char *php_get_output_start_lineno(TSRMLS_D)
|
|
Return line number start output something */
|
|
PHPAPI int php_get_output_start_lineno(TSRMLS_D)
|
|
{
|
|
return OG(output_start_lineno);
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ proto bool output_reset_rewrite_vars(void)
|
|
Reset(clear) URL rewriter values */
|
|
PHP_FUNCTION(output_reset_rewrite_vars)
|
|
{
|
|
if (php_url_scanner_reset_vars(TSRMLS_C) == SUCCESS) {
|
|
RETURN_TRUE;
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ proto bool output_add_rewrite_var(string name, string value)
|
|
Add URL rewriter values */
|
|
PHP_FUNCTION(output_add_rewrite_var)
|
|
{
|
|
char *name, *value;
|
|
int name_len, value_len;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &name, &name_len, &value, &value_len) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (php_url_scanner_add_var(name, name_len, value, value_len, 1 TSRMLS_CC) == SUCCESS) {
|
|
RETURN_TRUE;
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|