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tidy.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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: John Coggeshall <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_tidy.h"
#ifdef HAVE_TIDY
#include "php_ini.h"
#include "ext/standard/info.h"
#ifdef HAVE_TIDY_H
#include "tidy.h"
#elif defined(HAVE_TIDYP_H)
#include "tidyp.h"
#endif
#ifdef HAVE_TIDYBUFFIO_H
#include "tidybuffio.h"
#else
#include "buffio.h"
#endif
#include "tidy_arginfo.h"
/* compatibility with older versions of libtidy */
#ifndef TIDY_CALL
#define TIDY_CALL
#endif
/* {{{ ext/tidy macros */
#define FIX_BUFFER(bptr) do { if ((bptr)->size) { (bptr)->bp[(bptr)->size-1] = '\0'; } } while(0)
#define TIDY_SET_CONTEXT \
zval *object = getThis();
#define TIDY_FETCH_OBJECT \
PHPTidyObj *obj; \
zval *object; \
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &object, tidy_ce_doc) == FAILURE) { \
RETURN_THROWS(); \
} \
obj = Z_TIDY_P(object); \
#define TIDY_FETCH_INITIALIZED_OBJECT \
TIDY_FETCH_OBJECT; \
if (!obj->ptdoc->initialized) { \
zend_throw_error(NULL, "tidy object is not initialized"); \
return; \
}
#define TIDY_FETCH_ONLY_OBJECT \
PHPTidyObj *obj; \
TIDY_SET_CONTEXT; \
if (zend_parse_parameters_none() == FAILURE) { \
RETURN_THROWS(); \
} \
obj = Z_TIDY_P(object); \
#define TIDY_APPLY_CONFIG(_doc, _val_str, _val_ht) \
if (_val_ht) { \
_php_tidy_apply_config_array(_doc, _val_ht); \
} else if (_val_str) { \
TIDY_OPEN_BASE_DIR_CHECK(ZSTR_VAL(_val_str)); \
php_tidy_load_config(_doc, ZSTR_VAL(_val_str)); \
}
#define TIDY_OPEN_BASE_DIR_CHECK(filename) \
if (php_check_open_basedir(filename)) { \
RETURN_FALSE; \
} \
#define TIDY_SET_DEFAULT_CONFIG(_doc) \
if (TG(default_config) && TG(default_config)[0]) { \
php_tidy_load_config(_doc, TG(default_config)); \
}
/* }}} */
/* {{{ ext/tidy structs */
typedef struct _PHPTidyDoc PHPTidyDoc;
typedef struct _PHPTidyObj PHPTidyObj;
typedef enum {
is_node,
is_doc
} tidy_obj_type;
typedef enum {
is_root_node,
is_html_node,
is_head_node,
is_body_node
} tidy_base_nodetypes;
struct _PHPTidyDoc {
TidyDoc doc;
TidyBuffer *errbuf;
unsigned int ref_count;
unsigned int initialized:1;
};
struct _PHPTidyObj {
TidyNode node;
tidy_obj_type type;
PHPTidyDoc *ptdoc;
zend_object std;
};
static inline PHPTidyObj *php_tidy_fetch_object(zend_object *obj) {
return (PHPTidyObj *)((char*)(obj) - XtOffsetOf(PHPTidyObj, std));
}
#define Z_TIDY_P(zv) php_tidy_fetch_object(Z_OBJ_P((zv)))
/* }}} */
/* {{{ ext/tidy prototypes */
static zend_string *php_tidy_file_to_mem(char *, bool);
static void tidy_object_free_storage(zend_object *);
static zend_object *tidy_object_new_node(zend_class_entry *);
static zend_object *tidy_object_new_doc(zend_class_entry *);
static zval *tidy_instantiate(zend_class_entry *, zval *);
static zend_result tidy_doc_cast_handler(zend_object *, zval *, int);
static zend_result tidy_node_cast_handler(zend_object *, zval *, int);
static void tidy_doc_update_properties(PHPTidyObj *);
static void tidy_add_node_default_properties(PHPTidyObj *);
static void *php_tidy_get_opt_val(PHPTidyDoc *, TidyOption, TidyOptionType *);
static void php_tidy_create_node(INTERNAL_FUNCTION_PARAMETERS, tidy_base_nodetypes);
static int _php_tidy_set_tidy_opt(TidyDoc, char *, zval *);
static int _php_tidy_apply_config_array(TidyDoc doc, HashTable *ht_options);
static PHP_INI_MH(php_tidy_set_clean_output);
static void php_tidy_clean_output_start(const char *name, size_t name_len);
static php_output_handler *php_tidy_output_handler_init(const char *handler_name, size_t handler_name_len, size_t chunk_size, int flags);
static zend_result php_tidy_output_handler(void **nothing, php_output_context *output_context);
static PHP_MINIT_FUNCTION(tidy);
static PHP_MSHUTDOWN_FUNCTION(tidy);
static PHP_RINIT_FUNCTION(tidy);
static PHP_RSHUTDOWN_FUNCTION(tidy);
static PHP_MINFO_FUNCTION(tidy);
ZEND_DECLARE_MODULE_GLOBALS(tidy)
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("tidy.default_config", "", PHP_INI_SYSTEM, OnUpdateString, default_config, zend_tidy_globals, tidy_globals)
STD_PHP_INI_BOOLEAN("tidy.clean_output", "0", PHP_INI_USER, php_tidy_set_clean_output, clean_output, zend_tidy_globals, tidy_globals)
PHP_INI_END()
static zend_class_entry *tidy_ce_doc, *tidy_ce_node;
static zend_object_handlers tidy_object_handlers_doc;
static zend_object_handlers tidy_object_handlers_node;
zend_module_entry tidy_module_entry = {
STANDARD_MODULE_HEADER,
"tidy",
ext_functions,
PHP_MINIT(tidy),
PHP_MSHUTDOWN(tidy),
PHP_RINIT(tidy),
PHP_RSHUTDOWN(tidy),
PHP_MINFO(tidy),
PHP_TIDY_VERSION,
PHP_MODULE_GLOBALS(tidy),
NULL,
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
#ifdef COMPILE_DL_TIDY
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(tidy)
#endif
static void* TIDY_CALL php_tidy_malloc(size_t len)
{
return emalloc(len);
}
static void* TIDY_CALL php_tidy_realloc(void *buf, size_t len)
{
return erealloc(buf, len);
}
static void TIDY_CALL php_tidy_free(void *buf)
{
efree(buf);
}
static void TIDY_CALL php_tidy_panic(ctmbstr msg)
{
php_error_docref(NULL, E_ERROR, "Could not allocate memory for tidy! (Reason: %s)", (char *)msg);
}
static void php_tidy_load_config(TidyDoc doc, const char *path)
{
int ret = tidyLoadConfig(doc, path);
if (ret < 0) {
php_error_docref(NULL, E_WARNING, "Could not load the Tidy configuration file \"%s\"", path);
} else if (ret > 0) {
php_error_docref(NULL, E_NOTICE, "There were errors while parsing the Tidy configuration file \"%s\"", path);
}
}
static int _php_tidy_set_tidy_opt(TidyDoc doc, char *optname, zval *value)
{
TidyOption opt = tidyGetOptionByName(doc, optname);
zend_string *str, *tmp_str;
zend_long lval;
if (!opt) {
php_error_docref(NULL, E_WARNING, "Unknown Tidy configuration option \"%s\"", optname);
return FAILURE;
}
if (tidyOptIsReadOnly(opt)) {
php_error_docref(NULL, E_WARNING, "Attempting to set read-only option \"%s\"", optname);
return FAILURE;
}
switch(tidyOptGetType(opt)) {
case TidyString:
str = zval_get_tmp_string(value, &tmp_str);
if (tidyOptSetValue(doc, tidyOptGetId(opt), ZSTR_VAL(str))) {
zend_tmp_string_release(tmp_str);
return SUCCESS;
}
zend_tmp_string_release(tmp_str);
break;
case TidyInteger:
lval = zval_get_long(value);
if (tidyOptSetInt(doc, tidyOptGetId(opt), lval)) {
return SUCCESS;
}
break;
case TidyBoolean:
lval = zval_get_long(value);
if (tidyOptSetBool(doc, tidyOptGetId(opt), lval)) {
return SUCCESS;
}
break;
default:
php_error_docref(NULL, E_WARNING, "Unable to determine type of configuration option");
break;
}
return FAILURE;
}
static void php_tidy_quick_repair(INTERNAL_FUNCTION_PARAMETERS, bool is_file)
{
char *enc = NULL;
size_t enc_len = 0;
TidyDoc doc;
TidyBuffer *errbuf;
zend_string *data, *arg1, *config_str = NULL;
HashTable *config_ht = NULL;
if (is_file) {
bool use_include_path = 0;
ZEND_PARSE_PARAMETERS_START(1, 4)
Z_PARAM_PATH_STR(arg1)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(config_ht, config_str)
Z_PARAM_STRING(enc, enc_len)
Z_PARAM_BOOL(use_include_path)
ZEND_PARSE_PARAMETERS_END();
if (!(data = php_tidy_file_to_mem(ZSTR_VAL(arg1), use_include_path))) {
RETURN_FALSE;
}
} else {
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_STR(arg1)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(config_ht, config_str)
Z_PARAM_STRING(enc, enc_len)
ZEND_PARSE_PARAMETERS_END();
data = arg1;
}
if (ZEND_SIZE_T_UINT_OVFL(ZSTR_LEN(data))) {
zend_argument_value_error(1, "is too long");
RETURN_THROWS();
}
doc = tidyCreate();
errbuf = emalloc(sizeof(TidyBuffer));
tidyBufInit(errbuf);
if (tidySetErrorBuffer(doc, errbuf) != 0) {
tidyBufFree(errbuf);
efree(errbuf);
tidyRelease(doc);
php_error_docref(NULL, E_ERROR, "Could not set Tidy error buffer");
}
tidyOptSetBool(doc, TidyForceOutput, yes);
tidyOptSetBool(doc, TidyMark, no);
TIDY_SET_DEFAULT_CONFIG(doc);
TIDY_APPLY_CONFIG(doc, config_str, config_ht);
if(enc_len) {
if (tidySetCharEncoding(doc, enc) < 0) {
php_error_docref(NULL, E_WARNING, "Could not set encoding \"%s\"", enc);
RETVAL_FALSE;
}
}
if (data) {
TidyBuffer buf;
tidyBufInit(&buf);
tidyBufAttach(&buf, (byte *) ZSTR_VAL(data), (uint32_t)ZSTR_LEN(data));
if (tidyParseBuffer(doc, &buf) < 0) {
php_error_docref(NULL, E_WARNING, "%s", errbuf->bp);
RETVAL_FALSE;
} else {
if (tidyCleanAndRepair(doc) >= 0) {
TidyBuffer output;
tidyBufInit(&output);
tidySaveBuffer (doc, &output);
FIX_BUFFER(&output);
RETVAL_STRINGL((char *) output.bp, output.size ? output.size-1 : 0);
tidyBufFree(&output);
} else {
RETVAL_FALSE;
}
}
}
if (is_file) {
zend_string_release_ex(data, 0);
}
tidyBufFree(errbuf);
efree(errbuf);
tidyRelease(doc);
}
static zend_string *php_tidy_file_to_mem(char *filename, bool use_include_path)
{
php_stream *stream;
zend_string *data = NULL;
if (!(stream = php_stream_open_wrapper(filename, "rb", (use_include_path ? USE_PATH : 0), NULL))) {
return NULL;
}
if ((data = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) == NULL) {
data = ZSTR_EMPTY_ALLOC();
}
php_stream_close(stream);
return data;
}
static void tidy_object_free_storage(zend_object *object)
{
PHPTidyObj *intern = php_tidy_fetch_object(object);
zend_object_std_dtor(&intern->std);
if (intern->ptdoc) {
intern->ptdoc->ref_count--;
if (intern->ptdoc->ref_count <= 0) {
tidyBufFree(intern->ptdoc->errbuf);
efree(intern->ptdoc->errbuf);
tidyRelease(intern->ptdoc->doc);
efree(intern->ptdoc);
}
}
}
static zend_object *tidy_object_new(zend_class_entry *class_type, zend_object_handlers *handlers, tidy_obj_type objtype)
{
PHPTidyObj *intern;
intern = zend_object_alloc(sizeof(PHPTidyObj), class_type);
zend_object_std_init(&intern->std, class_type);
object_properties_init(&intern->std, class_type);
switch(objtype) {
case is_node:
break;
case is_doc:
intern->ptdoc = emalloc(sizeof(PHPTidyDoc));
intern->ptdoc->doc = tidyCreate();
intern->ptdoc->ref_count = 1;
intern->ptdoc->initialized = 0;
intern->ptdoc->errbuf = emalloc(sizeof(TidyBuffer));
tidyBufInit(intern->ptdoc->errbuf);
if (tidySetErrorBuffer(intern->ptdoc->doc, intern->ptdoc->errbuf) != 0) {
tidyBufFree(intern->ptdoc->errbuf);
efree(intern->ptdoc->errbuf);
tidyRelease(intern->ptdoc->doc);
efree(intern->ptdoc);
efree(intern);
php_error_docref(NULL, E_ERROR, "Could not set Tidy error buffer");
}
tidyOptSetBool(intern->ptdoc->doc, TidyForceOutput, yes);
tidyOptSetBool(intern->ptdoc->doc, TidyMark, no);
TIDY_SET_DEFAULT_CONFIG(intern->ptdoc->doc);
break;
}
intern->std.handlers = handlers;
return &intern->std;
}
static zend_object *tidy_object_new_node(zend_class_entry *class_type)
{
return tidy_object_new(class_type, &tidy_object_handlers_node, is_node);
}
static zend_object *tidy_object_new_doc(zend_class_entry *class_type)
{
return tidy_object_new(class_type, &tidy_object_handlers_doc, is_doc);
}
static zval *tidy_instantiate(zend_class_entry *pce, zval *object)
{
object_init_ex(object, pce);
return object;
}
static zend_result tidy_doc_cast_handler(zend_object *in, zval *out, int type)
{
TidyBuffer output;
PHPTidyObj *obj;
switch (type) {
case IS_LONG:
case _IS_NUMBER:
ZVAL_LONG(out, 0);
break;
case IS_DOUBLE:
ZVAL_DOUBLE(out, 0);
break;
case _IS_BOOL:
ZVAL_TRUE(out);
break;
case IS_STRING:
obj = php_tidy_fetch_object(in);
tidyBufInit(&output);
tidySaveBuffer (obj->ptdoc->doc, &output);
if (output.size) {
ZVAL_STRINGL(out, (char *) output.bp, output.size-1);
} else {
ZVAL_EMPTY_STRING(out);
}
tidyBufFree(&output);
break;
default:
return FAILURE;
}
return SUCCESS;
}
static zend_result tidy_node_cast_handler(zend_object *in, zval *out, int type)
{
TidyBuffer buf;
PHPTidyObj *obj;
switch(type) {
case IS_LONG:
case _IS_NUMBER:
ZVAL_LONG(out, 0);
break;
case IS_DOUBLE:
ZVAL_DOUBLE(out, 0);
break;
case _IS_BOOL:
ZVAL_TRUE(out);
break;
case IS_STRING:
obj = php_tidy_fetch_object(in);
tidyBufInit(&buf);
if (obj->ptdoc) {
tidyNodeGetText(obj->ptdoc->doc, obj->node, &buf);
ZVAL_STRINGL(out, (char *) buf.bp, buf.size-1);
} else {
ZVAL_EMPTY_STRING(out);
}
tidyBufFree(&buf);
break;
default:
return FAILURE;
}
return SUCCESS;
}
static void tidy_doc_update_properties(PHPTidyObj *obj)
{
TidyBuffer output;
tidyBufInit(&output);
tidySaveBuffer (obj->ptdoc->doc, &output);
if (output.size) {
zend_update_property_stringl(
tidy_ce_doc,
&obj->std,
"value",
sizeof("value") - 1,
(char*) output.bp,
output.size-1
);
}
tidyBufFree(&output);
if (obj->ptdoc->errbuf->size) {
zend_update_property_stringl(
tidy_ce_doc,
&obj->std,
"errorBuffer",
sizeof("errorBuffer") - 1,
(char*) obj->ptdoc->errbuf->bp,
obj->ptdoc->errbuf->size-1
);
}
}
static void tidy_add_node_default_properties(PHPTidyObj *obj)
{
TidyBuffer buf;
TidyAttr tempattr;
TidyNode tempnode;
zval attribute, children, temp;
PHPTidyObj *newobj;
char *name;
tidyBufInit(&buf);
tidyNodeGetText(obj->ptdoc->doc, obj->node, &buf);
zend_update_property_stringl(
tidy_ce_node,
&obj->std,
"value",
sizeof("value") - 1,
buf.size ? (char *) buf.bp : "",
buf.size ? buf.size - 1 : 0
);
tidyBufFree(&buf);
name = (char *) tidyNodeGetName(obj->node);
zend_update_property_string(
tidy_ce_node,
&obj->std,
"name",
sizeof("name") - 1,
name ? name : ""
);
zend_update_property_long(
tidy_ce_node,
&obj->std,
"type",
sizeof("type") - 1,
tidyNodeGetType(obj->node)
);
zend_update_property_long(
tidy_ce_node,
&obj->std,
"line",
sizeof("line") - 1,
tidyNodeLine(obj->node)
);
zend_update_property_long(
tidy_ce_node,
&obj->std,
"column",
sizeof("column") - 1,
tidyNodeColumn(obj->node)
);
zend_update_property_bool(
tidy_ce_node,
&obj->std,
"proprietary",
sizeof("proprietary") - 1,
tidyNodeIsProp(obj->ptdoc->doc, obj->node)
);
switch(tidyNodeGetType(obj->node)) {
case TidyNode_Root:
case TidyNode_DocType:
case TidyNode_Text:
case TidyNode_Comment:
zend_update_property_null(
tidy_ce_node,
&obj->std,
"id",
sizeof("id") - 1
);
break;
default:
zend_update_property_long(
tidy_ce_node,
&obj->std,
"id",
sizeof("id") - 1,
tidyNodeGetId(obj->node)
);
}
tempattr = tidyAttrFirst(obj->node);
if (tempattr) {
char *name, *val;
array_init(&attribute);
do {
name = (char *)tidyAttrName(tempattr);
val = (char *)tidyAttrValue(tempattr);
if (name) {
if (val) {
add_assoc_string(&attribute, name, val);
} else {
add_assoc_str(&attribute, name, zend_empty_string);
}
}
} while((tempattr = tidyAttrNext(tempattr)));
} else {
ZVAL_NULL(&attribute);
}
zend_update_property(
tidy_ce_node,
&obj->std,
"attribute",
sizeof("attribute") - 1,
&attribute
);
zval_ptr_dtor(&attribute);
tempnode = tidyGetChild(obj->node);
if (tempnode) {
array_init(&children);
do {
tidy_instantiate(tidy_ce_node, &temp);
newobj = Z_TIDY_P(&temp);
newobj->node = tempnode;
newobj->type = is_node;
newobj->ptdoc = obj->ptdoc;
newobj->ptdoc->ref_count++;
tidy_add_node_default_properties(newobj);
add_next_index_zval(&children, &temp);
} while((tempnode = tidyGetNext(tempnode)));
} else {
ZVAL_NULL(&children);
}
zend_update_property(
tidy_ce_node,
&obj->std,
"child",
sizeof("child") - 1,
&children
);
zval_ptr_dtor(&children);
}
static void *php_tidy_get_opt_val(PHPTidyDoc *ptdoc, TidyOption opt, TidyOptionType *type)
{
*type = tidyOptGetType(opt);
switch (*type) {
case TidyString: {
char *val = (char *) tidyOptGetValue(ptdoc->doc, tidyOptGetId(opt));
if (val) {
return (void *) zend_string_init(val, strlen(val), 0);
} else {
return (void *) ZSTR_EMPTY_ALLOC();
}
}
break;
case TidyInteger:
return (void *) (uintptr_t) tidyOptGetInt(ptdoc->doc, tidyOptGetId(opt));
break;
case TidyBoolean:
return (void *) tidyOptGetBool(ptdoc->doc, tidyOptGetId(opt));
break;
}
/* should not happen */
return NULL;
}
static void php_tidy_create_node(INTERNAL_FUNCTION_PARAMETERS, tidy_base_nodetypes node_type)
{
PHPTidyObj *newobj;
TidyNode node;
TIDY_FETCH_OBJECT;
switch (node_type) {
case is_root_node:
node = tidyGetRoot(obj->ptdoc->doc);
break;
case is_html_node:
node = tidyGetHtml(obj->ptdoc->doc);
break;
case is_head_node:
node = tidyGetHead(obj->ptdoc->doc);
break;
case is_body_node:
node = tidyGetBody(obj->ptdoc->doc);
break;
EMPTY_SWITCH_DEFAULT_CASE()
}
if (!node) {
RETURN_NULL();
}
tidy_instantiate(tidy_ce_node, return_value);
newobj = Z_TIDY_P(return_value);
newobj->type = is_node;
newobj->ptdoc = obj->ptdoc;
newobj->node = node;
newobj->ptdoc->ref_count++;
tidy_add_node_default_properties(newobj);
}
static int _php_tidy_apply_config_array(TidyDoc doc, HashTable *ht_options)
{
zval *opt_val;
zend_string *opt_name;
if (!HT_IS_PACKED(ht_options)) {
ZEND_HASH_MAP_FOREACH_STR_KEY_VAL(ht_options, opt_name, opt_val) {
if (opt_name == NULL) {
continue;
}
_php_tidy_set_tidy_opt(doc, ZSTR_VAL(opt_name), opt_val);
} ZEND_HASH_FOREACH_END();
}
return SUCCESS;
}
static int php_tidy_parse_string(PHPTidyObj *obj, char *string, uint32_t len, char *enc)
{
TidyBuffer buf;
if(enc) {
if (tidySetCharEncoding(obj->ptdoc->doc, enc) < 0) {
php_error_docref(NULL, E_WARNING, "Could not set encoding \"%s\"", enc);
return FAILURE;
}
}
obj->ptdoc->initialized = 1;
tidyBufInit(&buf);
tidyBufAttach(&buf, (byte *) string, len);
if (tidyParseBuffer(obj->ptdoc->doc, &buf) < 0) {
php_error_docref(NULL, E_WARNING, "%s", obj->ptdoc->errbuf->bp);
return FAILURE;
}
tidy_doc_update_properties(obj);
return SUCCESS;
}
static PHP_MINIT_FUNCTION(tidy)
{
tidySetMallocCall(php_tidy_malloc);
tidySetReallocCall(php_tidy_realloc);
tidySetFreeCall(php_tidy_free);
tidySetPanicCall(php_tidy_panic);
REGISTER_INI_ENTRIES();
tidy_ce_doc = register_class_tidy();
tidy_ce_doc->create_object = tidy_object_new_doc;
memcpy(&tidy_object_handlers_doc, &std_object_handlers, sizeof(zend_object_handlers));
tidy_object_handlers_doc.clone_obj = NULL;
tidy_ce_node = register_class_tidyNode();
tidy_ce_node->create_object = tidy_object_new_node;
memcpy(&tidy_object_handlers_node, &std_object_handlers, sizeof(zend_object_handlers));
tidy_object_handlers_node.clone_obj = NULL;
tidy_object_handlers_doc.cast_object = tidy_doc_cast_handler;
tidy_object_handlers_node.cast_object = tidy_node_cast_handler;
tidy_object_handlers_node.offset = tidy_object_handlers_doc.offset = XtOffsetOf(PHPTidyObj, std);
tidy_object_handlers_node.free_obj = tidy_object_handlers_doc.free_obj = tidy_object_free_storage;
register_tidy_symbols(module_number);
php_output_handler_alias_register(ZEND_STRL("ob_tidyhandler"), php_tidy_output_handler_init);
return SUCCESS;
}
static PHP_RINIT_FUNCTION(tidy)
{
#if defined(COMPILE_DL_TIDY) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
php_tidy_clean_output_start(ZEND_STRL("ob_tidyhandler"));
return SUCCESS;
}
static PHP_RSHUTDOWN_FUNCTION(tidy)
{
TG(clean_output) = INI_ORIG_BOOL("tidy.clean_output");
return SUCCESS;
}
static PHP_MSHUTDOWN_FUNCTION(tidy)
{
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
static PHP_MINFO_FUNCTION(tidy)
{
php_info_print_table_start();
php_info_print_table_row(2, "Tidy support", "enabled");
#ifdef HAVE_TIDYBUFFIO_H
php_info_print_table_row(2, "libTidy Version", (char *)tidyLibraryVersion());
#elif defined(HAVE_TIDYP_H)
php_info_print_table_row(2, "libtidyp Version", (char *)tidyVersion());
#endif
#ifdef HAVE_TIDYRELEASEDATE
php_info_print_table_row(2, "libTidy Release", (char *)tidyReleaseDate());
#endif
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
static PHP_INI_MH(php_tidy_set_clean_output)
{
int status;
bool value;
value = zend_ini_parse_bool(new_value);
if (stage == PHP_INI_STAGE_RUNTIME) {
status = php_output_get_status();
if (value && (status & PHP_OUTPUT_WRITTEN)) {
php_error_docref(NULL, E_WARNING, "Cannot enable tidy.clean_output - there has already been output");
return FAILURE;
}
if (status & PHP_OUTPUT_SENT) {
php_error_docref(NULL, E_WARNING, "Cannot change tidy.clean_output - headers already sent");
return FAILURE;
}
}
status = OnUpdateBool(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
if (stage == PHP_INI_STAGE_RUNTIME && value) {
if (!php_output_handler_started(ZEND_STRL("ob_tidyhandler"))) {
php_tidy_clean_output_start(ZEND_STRL("ob_tidyhandler"));
}
}
return status;
}
/*
* NOTE: tidy does not support iterative/cumulative parsing, so chunk-sized output handler is not possible
*/
static void php_tidy_clean_output_start(const char *name, size_t name_len)
{
php_output_handler *h;
if (TG(clean_output) && (h = php_tidy_output_handler_init(name, name_len, 0, PHP_OUTPUT_HANDLER_STDFLAGS))) {
php_output_handler_start(h);
}
}
static php_output_handler *php_tidy_output_handler_init(const char *handler_name, size_t handler_name_len, size_t chunk_size, int flags)
{
if (chunk_size) {
php_error_docref(NULL, E_WARNING, "Cannot use a chunk size for ob_tidyhandler");
return NULL;
}
if (!TG(clean_output)) {
TG(clean_output) = 1;
}
return php_output_handler_create_internal(handler_name, handler_name_len, php_tidy_output_handler, chunk_size, flags);
}
static zend_result php_tidy_output_handler(void **nothing, php_output_context *output_context)
{
zend_result status = FAILURE;
TidyDoc doc;
TidyBuffer inbuf, outbuf, errbuf;
if (TG(clean_output) && (output_context->op & PHP_OUTPUT_HANDLER_START) && (output_context->op & PHP_OUTPUT_HANDLER_FINAL)) {
doc = tidyCreate();
tidyBufInit(&errbuf);
if (0 == tidySetErrorBuffer(doc, &errbuf)) {
tidyOptSetBool(doc, TidyForceOutput, yes);
tidyOptSetBool(doc, TidyMark, no);
if (ZEND_SIZE_T_UINT_OVFL(output_context->in.used)) {
php_error_docref(NULL, E_WARNING, "Input string is too long");
return status;
}
TIDY_SET_DEFAULT_CONFIG(doc);
tidyBufInit(&inbuf);
tidyBufAttach(&inbuf, (byte *) output_context->in.data, (uint32_t)output_context->in.used);
if (0 <= tidyParseBuffer(doc, &inbuf) && 0 <= tidyCleanAndRepair(doc)) {
tidyBufInit(&outbuf);
tidySaveBuffer(doc, &outbuf);
FIX_BUFFER(&outbuf);
output_context->out.data = (char *) outbuf.bp;
output_context->out.used = outbuf.size ? outbuf.size-1 : 0;
output_context->out.free = 1;
status = SUCCESS;
}
}
tidyRelease(doc);
tidyBufFree(&errbuf);
}
return status;
}
/* {{{ Parse a document stored in a string */
PHP_FUNCTION(tidy_parse_string)
{