#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "Zend/zend_exceptions.h"
#include "php_bbcode.h"
/* XXX: only required for php_debug_zval_dump */
#include "ext/standard/php_var.h"
/* XXX: required for pcre_cache_entry */
#include "ext/pcre/php_pcre.h"
/* If you declare any globals in php_bbcode.h uncomment this:
ZEND_DECLARE_MODULE_GLOBALS(bbcode)
*/
typedef struct _bbcode_object {
HashTable *tag;
HashTable *smiley;
zend_string *root;
zend_long flag;
zend_object std;
} bbcode_object;
/* True global resources - no need for thread safety here */
zend_object_handlers bbcode_handlers;
/* BBCode object */
zend_class_entry *bbcode_ce;
/* BBCode exception object */
zend_class_entry *bbcode_exception_ce;
/* Define all constants */
#ifdef old_code_dropped
GEN(TYPE_ARG) /*BBCODE_TYPE_ARG*/\
GEN(TYPE_NOARG) /*BBCODE_TYPE_NOARG*/\
GEN(TYPE_OPTARG) /*BBCODE_TYPE_OPTARG*/\
#endif
#define BBCODE_DEF(GEN) \
/* Types */ \
GEN(TYPE_ROOT) /*BBCODE_TYPE_ROOT*/\
GEN(TYPE_MULTI) /*BBCODE_TYPE_ARG|BBCODE_TYPE_OPTARG|BBCODE_TYPE_NOARG*/\
GEN(TYPE_SINGLE) /*BBCODE_TYPE_SINGLE*/\
/* TODO: add again each feature when implemented (before beta) */
#if 0
/* Quotes */ \
GEN(QUOTE_DOUBLE) /*BBCODE_ARG_DOUBLE_QUOTE*/\
GEN(QUOTE_SIMPLE) /*BBCODE_ARG_SINGLE_QUOTE*/\
GEN(QUOTE_HTML) /*BBCODE_ARG_HTML_QUOTE*/\
GEN(QUOTE_ESCAPE) /*BBCODE_ARG_QUOTE_ESCAPING*/\
\
/* Corrections */ \
GEN(CORRECT_AUTO) /*BBCODE_AUTO_CORRECT*/\
GEN(CORRECT_REOPEN) /*BBCODE_CORRECT_REOPEN_TAGS*/\
GEN(CORRECT_NOTREE) /*BBCODE_DISABLE_TREE_BUILD*/\
\
/* Smileys */ \
GEN(SMILEY_ON) /*BBCODE_DEFAULT_SMILEYS_ON*/\
GEN(SMILEY_CI) /*BBCODE_SMILEYS_CASE_INSENSITIVE*/\
\
/* Flags */ \
GEN(CLOSE_AUTO) /*BBCODE_FLAGS_ONE_OPEN_PER_LEVEL*/\
GEN(REMOVE_EMPTY) /*BBCODE_FLAGS_REMOVE_IF_EMPTY*/\
GEN(REMOVE_CONTENT) /*BBCODE_FLAGS_CDATA_NOT_ALLOWED*/\
GEN(REMOVE_REOPEN) /*BBCODE_FLAGS_DENY_REOPEN_CHILD*/
#endif
/* Generate enum version */
#define BBCODE_GEN_ENUM(NAME) BBCODE_ ## NAME,
/* Generate zend const version */
#define BBCODE_GEN_CONST(NAME) zend_declare_class_constant_long(bbcode_ce, #NAME, sizeof(#NAME) - 1, BBCODE_ ## NAME TSRMLS_CC);
/* Defined in /usr/include/php/Zend/zend_types.h +382 */
#define BBCODE_GET_TYPE(TYPE) (TYPE==IS_UNDEF)?"undef":( \
(TYPE==IS_NULL)?"null":( \
(TYPE==IS_FALSE)?"false":( \
(TYPE==IS_TRUE)?"true":( \
(TYPE==IS_LONG)?"long":( \
(TYPE==IS_DOUBLE)?"double":( \
(TYPE==IS_STRING)?"string":( \
(TYPE==IS_ARRAY)?"array":( \
(TYPE==IS_OBJECT)?"object":( \
(TYPE==IS_RESOURCE)?"resource":( \
(TYPE==IS_REFERENCE)?"reference":( \
(TYPE==IS_CONSTANT_AST)?"constant":"unknown"\
) \
) \
) \
) \
) \
) \
) \
) \
) \
) \
)
/* All flags enum set */
enum {
BBCODE_DEF(BBCODE_GEN_ENUM)
};
/* Set default flag
* TODO: Implement it in an ini file ? (later maybe) */
#define BBCODE_DEFAULT_FLAG 0
#if 0
#define BBCODE_DEFAULT_FLAG BBCODE_QUOTE_DOUBLE|BBCODE_QUOTE_SIMPLE|BBCODE_QUOTE_ESCAPE|BBCODE_CORRECT_AUTO|BBCODE_CORRECT_REOPEN|BBCODE_SMILEY_ON|BBCODE_CLOSE_AUTO|BBCODE_REMOVE_EMPTY
#endif
/* Set debug flag */
#define BBCODE_DEBUG 0
/* {{{ Function prototypes (bbcode_destroy|bbcode_free|bbcode_clone|bbcode_create) */
static void bbcode_destroy(zend_object *obj TSRMLS_DC);
static void bbcode_free(zend_object *obj TSRMLS_DC);
static zend_object *bbcode_clone(zval *obj TSRMLS_DC);
static zend_object *bbcode_create(zend_class_entry *ce TSRMLS_DC);
/* }}} */
/* {{{ static inline bbcode_object* bbcode_fetch(zend_object *obj TSRMLS_DC) {
* BBCode object fetch function */
static inline bbcode_object* bbcode_fetch(zend_object *obj TSRMLS_DC) {
return (bbcode_object *)((char *)obj - XtOffsetOf(bbcode_object, std));
}
/* }}} */
/* {{{ Z_BBCODE_P(zv) bbcode_fetch(Z_OBJ_P((zv)))
* BBCode object pointer fetch macro */
#define Z_BBCODE_P(zv) bbcode_fetch(Z_OBJ_P((zv)))
/* }}} */
/* {{{ static void bbcode_destroy(zend_object *obj TSRMLS_DC) {
* BBCode object destroy call */
static void bbcode_destroy(zend_object *obj TSRMLS_DC) {
/* Trigger user land destructor on obj */
zend_objects_destroy_object(obj);
}
/* }}} */
/* {{{ static void bbcode_free(zend_object *obj TSRMLS_DC) {
* BBCode object free call */
static void bbcode_free(zend_object *obj TSRMLS_DC) {
/* Retrieve bbcode object from zend object */
bbcode_object *bbobj = bbcode_fetch(obj);
/* Check if root is present */
if (bbobj->root) {
/* Release the root string */
zend_string_release(bbobj->root);
}
/* Check if tag is present */
if (bbobj->tag) {
/* Release the tag hash */
zend_array_destroy(bbobj->tag);
}
/* Check if smiley is present */
if (bbobj->smiley) {
/* Release the smiley hash */
zend_array_destroy(bbobj->smiley);
}
/* Trigger zend object std destructor on obj */
zend_object_std_dtor(obj);
/* Free the bbobj */
efree(bbobj);
}
/* }}} */
/* {{{ static zend_object *bbcode_clone(zval *obj TSRMLS_DC) {
* BBCode object clone call */
static zend_object *bbcode_clone(zval *obj TSRMLS_DC) {
/* Fetch pointer to old bbcode object */
bbcode_object *oldbbobj = Z_BBCODE_P(obj);
/* Create pointer on new obj */
//bbcode_object *newbbobj = bbcode_fetch(bbcode_create(oldbbobj->std.ce));
bbcode_object *newbbobj = bbcode_fetch(bbcode_create(Z_OBJ_P(obj)->ce));
/* Call members cloning function */
zend_objects_clone_members(&newbbobj->std, &oldbbobj->std);
/* Duplicate flag value */
newbbobj->flag = oldbbobj->flag;
/* Set root as null */
newbbobj->root = NULL;
/* Check if root is available */
if (oldbbobj->root) {
/* Duplicate root zend string */
newbbobj->root = zend_string_copy(oldbbobj->root);
}
/* Set tag as null */
newbbobj->tag = NULL;
/* Check if tag is available */
if (oldbbobj->tag) {
/* Duplicate tag zend array */
newbbobj->tag = zend_array_dup(oldbbobj->tag);
}
/* Set smiley as null */
newbbobj->smiley = NULL;
/* Check if smiley is available */
if (oldbbobj->smiley) {
/* Duplicate smiley zend array */
newbbobj->smiley = zend_array_dup(oldbbobj->smiley);
}
/* Return the new object */
return &newbbobj->std;
}
/* }}} */
/* {{{ static zend_object *bbcode_create(zend_class_entry *ce TSRMLS_DC) {
* BBCode object create call */
static zend_object *bbcode_create(zend_class_entry *ce TSRMLS_DC) {
/* Allocate object */
bbcode_object *obj = (bbcode_object *)ecalloc(1, sizeof(bbcode_object) + zend_object_properties_size(ce));
/* Init std member */
zend_object_std_init(&obj->std, ce TSRMLS_CC);
/* Set object properties */
object_properties_init(&obj->std, ce TSRMLS_CC);
/* Duplicate standard object handler */
memcpy(&bbcode_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
/* Set object offset */
bbcode_handlers.offset = XtOffsetOf(bbcode_object, std);
/* Set destructor function */
bbcode_handlers.dtor_obj = (zend_object_dtor_obj_t) bbcode_destroy;
/* Set free function */
bbcode_handlers.free_obj = (zend_object_free_obj_t) bbcode_free;
/* Set clone function */
bbcode_handlers.clone_obj = (zend_object_clone_obj_t) bbcode_clone;
/* Assign custom handler */
obj->std.handlers = &bbcode_handlers;
/* Init tag */
obj->tag = NULL;
/* Init smiley */
obj->smiley = NULL;
/* Init root */
obj->root = NULL;
/* Init flag */
obj->flag = BBCODE_DEFAULT_FLAG;
/* Return the std member address */
return &obj->std;
}
/* }}} */
/* {{{ ZEND_BEGIN_ARG_INFO_EX(bbcode_construct_arginfo) */
// ZEND_BEGIN_ARG_INFO_EX(name, _unused, return_reference, required_num_args)
ZEND_BEGIN_ARG_INFO_EX(bbcode_construct_arginfo, 0, 0, 1)
// ZEND_ARG_ARRAY_INFO(pass_by_ref, name, allow_null)
ZEND_ARG_ARRAY_INFO(0, tag, 0)
ZEND_ARG_ARRAY_INFO(0, smiley, 1)
// ZEND_ARG_INFO(pass_by_ref, name)
ZEND_ARG_INFO(0, flag)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ ZEND_BEGIN_ARG_INFO_EX(bbcode_parse_arginfo) */
// ZEND_BEGIN_ARG_INFO_EX(name, _unused, return_reference, required_num_args)
ZEND_BEGIN_ARG_INFO_EX(bbcode_parse_arginfo, 0, 0, 1)
// ZEND_ARG_INFO(pass_by_ref, name)
ZEND_ARG_INFO(0, str)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ static HashTable *bbcode_gen_child(HashTable *ret, HashTable *tag, zend_string *cur TSRMLS_DC) { */
static HashTable *bbcode_gen_child(HashTable *ret, HashTable *tag, zend_string *cur TSRMLS_DC) {
/* Key string */
zend_string *key;
/* Value */
zval *val;
/* Iterate on each key val until hash end is reached */
ZEND_HASH_FOREACH_STR_KEY_VAL(tag, key, val) {
/* Check if key is not a string, value is null or not an array */
if (key == NULL || val == NULL || Z_TYPE_P(val) != IS_ARRAY) {
/* Return failure, useless to generate a hash when we will trigger an error later */
return NULL;
}
/* Init type val */
zval *type;
/* Check that we have no type or that it's not root type */
/* XXX: it's not possible to have in child the root tag */
if ((type = zend_hash_str_find(Z_ARR_P(val), "type", strlen("type"))) == NULL || Z_LVAL_P(type) != BBCODE_TYPE_ROOT) {
/* Check that we are not on cur key */
/* XXX: not really required, but it's stupid to allow same tag in child */
//if (strcmp(ZSTR_VAL(cur), ZSTR_VAL(key)) != 0) {
/* Init parent val */
zval *parent;
/* Init toInsert bool */
unsigned char toInsert = 0;
/* Check if we find parent key */
if ((parent = zend_hash_str_find(Z_ARR_P(val), "parent", strlen("parent"))) != NULL) {
/* Parent value */
zval *pval;
/* Iterate on each val until hash end is reached */
ZEND_HASH_FOREACH_VAL(Z_ARR_P(parent), pval) {
/* Check that parent val is a string */
if (Z_TYPE_P(pval) != IS_STRING) {
return NULL;
}
/* Check that tkey is a string and is identical */
if (strcmp(Z_STRVAL_P(pval), ZSTR_VAL(cur)) == 0) {
toInsert = 1;
}
} ZEND_HASH_FOREACH_END();
/* No parent key */
} else {
toInsert = 1;
}
/* Add the key */
if (toInsert) {
/* Init child val */
zval cval;
/* Set child val */
ZVAL_STR(&cval, key);
/* Insert the child val in return array */
ZEND_ASSERT(zend_hash_next_index_insert_new(ret, &cval) != NULL);
}
//}
}
} ZEND_HASH_FOREACH_END();
/* Return value */
return ret;
}
/* }}} */
/* {{{ static HashTable *bbcode_gen_parent(HashTable *ret, HashTable *tag, zend_string *cur TSRMLS_DC) { */
static HashTable *bbcode_gen_parent(HashTable *ret, HashTable *tag, zend_string *cur TSRMLS_DC) {
/* Key string */
zend_string *key;
/* Value */
zval *val;
/* Iterate on each key val until hash end is reached */
ZEND_HASH_FOREACH_STR_KEY_VAL(tag, key, val) {
/* Check if key is not a string, value is null or not an array */
if (key == NULL || val == NULL || Z_TYPE_P(val) != IS_ARRAY) {
/* Return failure, useless to generate a hash when we will trigger an error later */
return NULL;
}
/* Init type val */
zval *type;
/* Check that we have no type or that it's not single type */
/* XXX: it's not possible to have in child the root tag */
if ((type = zend_hash_str_find(Z_ARR_P(val), "type", strlen("type"))) == NULL || Z_LVAL_P(type) != BBCODE_TYPE_SINGLE) {
/* Check that we are not on cur key */
/* XXX: not really required, but it's stupid to allow same tag in child */
//if (strcmp(ZSTR_VAL(cur), ZSTR_VAL(key)) != 0) {
/* Init child val */
zval *child;
/* Init toInsert bool */
unsigned char toInsert = 0;
/* Check if we find child key */
if ((child = zend_hash_str_find(Z_ARR_P(val), "child", strlen("child"))) != NULL) {
/* Child value */
zval *cval;
/* Iterate on each val until hash end is reached */
ZEND_HASH_FOREACH_VAL(Z_ARR_P(child), cval) {
/* Check that child val is a string */
if (Z_TYPE_P(cval) != IS_STRING) {
return NULL;
}
/* Check that tkey is a string and is identical */
if (strcmp(Z_STRVAL_P(cval), ZSTR_VAL(cur)) == 0) {
toInsert = 1;
}
} ZEND_HASH_FOREACH_END();
/* No child key */
} else {
toInsert = 1;
}
/* Add the key */
if (toInsert) {
/* Init parent val */
zval pval;
/* Set parent val */
ZVAL_STR(&pval, key);
/* Insert the parent val in return array */
ZEND_ASSERT(zend_hash_next_index_insert_new(ret, &pval) != NULL);
}
//}
}
} ZEND_HASH_FOREACH_END();
/* Return value */
return ret;
}
/* }}} */
/* {{{ static zend_bool *bbcode_check_tag(HashTable *tag TSRMLS_DC) {
* Check that tag hash is valid */
static zend_string *bbcode_check_tag(HashTable *tag TSRMLS_DC) {
/* Key numeric value */
zend_long idx;
/* Key and root string */
zend_string *key, *root = NULL;
/* Value */
zval *val;
/* Key position */
int pos = 0;
/* Has a root */
int hasRoot = 0;
/* Iterate on each key val until hash end is reached */
ZEND_HASH_FOREACH_KEY_VAL(tag, idx, key, val) {
/* Check if key is not a string */
if (key == NULL) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %ld[%d] from argument tag is not an expected string", idx, pos);
/* Return failure */
return NULL;
/* Check that key do not contains a special character */
} else if (strchr(ZSTR_VAL(key), '=') != NULL || strchr(ZSTR_VAL(key), '[') != NULL || strchr(ZSTR_VAL(key), ']') != NULL || strchr(ZSTR_VAL(key), '(') != NULL || strchr(ZSTR_VAL(key), ')') != NULL || strchr(ZSTR_VAL(key), '/') != NULL || strchr(ZSTR_VAL(key), '\\') != NULL) {
/* Display error about key containing a special char */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d] from argument tag contains a special forbidden character: =[]()/\\", ZSTR_VAL(key), pos);
/* Return failure */
return NULL;
}
/* Check that value exists */
if (val == NULL) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d] from argument tag is NULL instead of expected array", ZSTR_VAL(key), pos);
/* Return failure */
return NULL;
/* Check that value is an array */
} else if (Z_TYPE_P(val) != IS_ARRAY) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d] from argument tag is %s[%d] instead of expected array", ZSTR_VAL(key), pos, BBCODE_GET_TYPE(Z_TYPE_P(val)), Z_TYPE_P(val));
/* Return failure */
return NULL;
}
/* Store child tag array */
HashTable *ctag = Z_ARR_P(val);
/* Child key numeric value */
zend_long cidx;
/* Child key string */
zend_string *ckey;
/* Child value */
zval *cval;
/* Buffer */
char *buf;
/* Child key position */
int cpos = 0, type, len;
/* Detect if entry has a type, parent, child, open, close, default or arg key to display error if mandatory field is missing */
unsigned char hasType = 0, hasParent = 0, hasChild = 0, hasOpen = 0, hasClose = 0, hasDefault = 0, hasArg = 0;
/* Iterate on each ckey cval until hash end is reached */
ZEND_HASH_FOREACH_KEY_VAL(ctag, cidx, ckey, cval) {
/* Check if ckey is a string */
if (!ckey) {
/* Display error about long ckey */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d]/%ld[%d] from argument tag is not an expected string", ZSTR_VAL(key), pos, cidx, cpos);
/* Return failure */
return NULL;
}
/* Check if ckey is empty */
if (ZSTR_LEN(ckey) == 0) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d]/%s[%d] from argument tag is empty not one of expected type|parent|child|open|close|default string", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos);
/* Return failure */
return NULL;
/* Check if current ckey is type */
} else if (strcmp("type", ZSTR_VAL(ckey)) == 0) {
/* Extract type */
type = Z_LVAL_P(cval);
/* Check that current type is valid */
if (
type != BBCODE_TYPE_ROOT &&
type != BBCODE_TYPE_MULTI &&
type != BBCODE_TYPE_SINGLE
) {
/* Display error about unexpected type value */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value '%d' for key %s[%d]/%s[%d] from argument tag is not one of expected BBCODE::TYPE_(ROOT|MULTI|SINGLE) constant", type, ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos);
/* Return failure */
return NULL;
/* Check if root */
} else if (type == BBCODE_TYPE_ROOT) {
/* Grow hasRoot */
hasRoot++;
}
/* Set hasType */
hasType = 1;
/* Check if current key is parent */
} else if (strcmp("parent", ZSTR_VAL(ckey)) == 0) {
/* Check that value exists */
if (cval == NULL) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d] from argument tag is NULL instead of expected array", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos);
/* Return failure */
return NULL;
/* Check that value is an array */
} else if (Z_TYPE_P(cval) != IS_ARRAY) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d] from argument tag is %s[%d] instead of expected array", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos, BBCODE_GET_TYPE(Z_TYPE_P(cval)), Z_TYPE_P(cval));
/* Return failure */
return NULL;
/* Check that value is an non empty array */
} else if (zend_array_count(Z_ARR_P(cval)) == 0) {
/* Display error about empty parent array */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d] from argument tag is an empty array instead of expected filled array", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos);
/* Return failure */
return NULL;
}
/* Parent value */
zval *pval;
/* Child key position */
int ppos = 0;
/* Iterate on each val until hash end is reached */
ZEND_HASH_FOREACH_VAL(Z_ARR_P(cval), pval) {
/* Check that parent val is a string */
/* XXX: pval == NULL case is catched here too */
if (Z_TYPE_P(pval) != IS_STRING) {
/* Display error about not string */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d]/[%d] from argument tag is %s[%d] instead of expected string", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos, ppos, BBCODE_GET_TYPE(Z_TYPE_P(pval)), Z_TYPE_P(pval));
/* Return failure */
return NULL;
}
/* Tag key */
zend_string *tkey;
/* Reset found flag */
unsigned char found = 0;
/* Iterate on each key until hash end is reached */
ZEND_HASH_FOREACH_STR_KEY(tag, tkey) {
/* Check that tkey is a string and is identical */
if (tkey != NULL && strcmp(Z_STRVAL_P(pval), ZSTR_VAL(tkey)) == 0) {
/* We found parent value in tag keys*/
found = 1;
}
} ZEND_HASH_FOREACH_END();
/* Check if we found the key */
if (!found) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d]/%s[%d] from argument tag is not present in tag keys", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos, Z_STRVAL_P(pval), ppos);
/* Return failure */
return NULL;
}
/* Grow ppos */
ppos++;
} ZEND_HASH_FOREACH_END();
/* Set hasParent */
hasParent = 1;
/* Check if current key is child */
} else if (strcmp("child", ZSTR_VAL(ckey)) == 0) {
/* Check that value exists */
if (cval == NULL) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d] from argument tag is NULL instead of expected array", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos);
/* Return failure */
return NULL;
/* Check that value is an array */
} else if (Z_TYPE_P(cval) != IS_ARRAY) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d] from argument tag is %s[%d] instead of expected array", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos, BBCODE_GET_TYPE(Z_TYPE_P(cval)), Z_TYPE_P(cval));
/* Return failure */
return NULL;
}
/* Child value */
zval *ccval;
/* Child key position */
int ccpos = 0;
/* Iterate on each val until hash end is reached */
ZEND_HASH_FOREACH_VAL(Z_ARR_P(cval), ccval) {
/* Check that child val is a string */
/* XXX: ccval == NULL case is catched here too */
if (Z_TYPE_P(ccval) != IS_STRING) {
/* Display error about not string */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d]/%s[%d]/[%d] from argument tag is %s[%d] instead of expected string", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos, ccpos, BBCODE_GET_TYPE(Z_TYPE_P(ccval)), Z_TYPE_P(ccval));
/* Return failure */
return NULL;
}
/* Tag key */
zend_string *tkey;
/* Reset found flag */
unsigned char found = 0;
/* Iterate on each key until hash end is reached */
ZEND_HASH_FOREACH_STR_KEY(tag, tkey) {
/* Check that tkey is a string and is identical */
if (tkey != NULL && strcmp(Z_STRVAL_P(ccval), ZSTR_VAL(tkey)) == 0) {
/* We found child value in tag keys*/
found = 1;
}
} ZEND_HASH_FOREACH_END();
/* Check if we found the key */
if (!found) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Child value %s for key %s[%d]/%s[%d] is not present in tag keys", Z_STRVAL_P(ccval), ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos);
/* Return failure */
return NULL;
}
/* Grow ccpos */
ccpos++;
} ZEND_HASH_FOREACH_END();
/* Set hasChild */
hasChild = 1;
/* Check if current key is open */
} else if (strcmp("open", ZSTR_VAL(ckey)) == 0) {
/* Set hasOpen */
hasOpen = 1;
/* Check if current key is close */
} else if (strcmp("close", ZSTR_VAL(ckey)) == 0) {
/* Set hasClose */
hasClose = 1;
/* Check if current key is default */
} else if (strcmp("default", ZSTR_VAL(ckey)) == 0) {
/* Set hasDefault */
hasDefault = 1;
/* Check if current key is arg */
} else if (strcmp("arg", ZSTR_VAL(ckey)) == 0) {
/* Set hasArg */
hasArg = 1;
/* Check if current key is unknown */
} else {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d]/%s[%d] from argument tag is not one of expected type|parent|child|open|close|default string", ZSTR_VAL(key), pos, ZSTR_VAL(ckey), cpos);
/* Return failure */
return NULL;
}
/* Grow cpos */
cpos++;
} ZEND_HASH_FOREACH_END();
/* Check if val array is immutable */
/* XXX: this strange case happen with empty val array, the zend engine don't initialize a usable hashtable, to avoid triggering a segfault later when using the array, we fix it here */
if ((Z_GC_FLAGS_P(val) & GC_IMMUTABLE) == GC_IMMUTABLE) {
/* Allocate hash table */
/* XXX: this is required to avoid segfault in zend_hash_add when the array is immutable */
ALLOC_HASHTABLE(Z_ARR_P(val));
/* Init hash table */
zend_hash_init(Z_ARR_P(val), 0, NULL, ZVAL_PTR_DTOR, 0);
/* Copy old values in new array */
//XXX: disabled for now, array shoudln't need to be copied, immutable flag seems only present on empty arrays
//zend_hash_copy(Z_ARR_P(val), ctag, (copy_ctor_func_t) zval_add_ref);
}
/* Check if entry has no type */
/* TODO: make depend this code on a parse flag ? */
if (!hasType) {
/* Type key */
zend_string *tkey = zend_string_init("type", strlen("type"), 0);
/* Type value */
zval tval;
/* Check if key is '' */
if (ZSTR_LEN(key) == 0) {
/* Set tval value to root */
ZVAL_LONG(&tval, (type = BBCODE_TYPE_ROOT));
/* Grow hasRoot */
hasRoot++;
/* Check if key is img */
} else if (strcmp("img", ZSTR_VAL(key)) == 0) {
/* Set tval value to single */
ZVAL_LONG(&tval, (type = BBCODE_TYPE_SINGLE));
/* Handle other key as multi */
} else {
/* Set tval value to multi */
ZVAL_LONG(&tval, (type = BBCODE_TYPE_MULTI));
}
/* Add new type key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), tkey, &tval) != NULL);
/* Free type key */
zend_string_release(tkey);
/* Set hasType */
hasType = 1;
}
/* Check for root type */
if (type == BBCODE_TYPE_ROOT) {
/* Set root */
root = key;
/* Check if has parent */
if (hasParent) {
/* Display error about parent entry */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d] from argument tag of type BBCODE::TYPE_ROOT cannot have a parent entry", ZSTR_VAL(key), pos);
/* Return failure */
return NULL;
}
/* Check if has open entry */
if (!hasOpen) {
/* Key string */
zend_string *mkey = zend_string_init("open", strlen("open"), 0);
/* Value */
zval mval;
/* Check if tag is empty */
if (ZSTR_LEN(key) == 0) {
/* Init new value */
ZVAL_EMPTY_STRING(&mval);
/* Non empty tag */
} else {
/* Init buffer and length */
buf = (char *)malloc((len = strlen("<>") + ZSTR_LEN(key) + (hasArg?strlen("%s"):0))*sizeof(char));
/* Generate string in */
ZEND_ASSERT(sprintf(buf, "<%s%s>", ZSTR_VAL(key), hasArg?"%s":"") == len);
/* Init new value */
ZVAL_STRINGL(&mval, buf, len);
/* Free buffer */
free(buf);
}
/* Add new key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), mkey, &mval) != NULL);
/* Free key */
zend_string_release(mkey);
/* Set hasOpen */
hasOpen = 1;
}
/* Check if has close entry */
if (!hasClose) {
/* Key string */
zend_string *mkey = zend_string_init("close", strlen("close"), 0);
/* Value */
zval mval;
/* Check if tag is empty */
if (ZSTR_LEN(key) == 0) {
/* Init new value */
ZVAL_EMPTY_STRING(&mval);
/* Non empty tag */
} else {
/* Init buffer and length */
buf = (char *)malloc((len = strlen("") + ZSTR_LEN(key))*sizeof(char));
/* Generate string in */
ZEND_ASSERT(sprintf(buf, "", ZSTR_VAL(key)) == len);
/* Init new value */
ZVAL_STRINGL(&mval, buf, len);
/* Free buffer */
free(buf);
}
/* Add new key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), mkey, &mval) != NULL);
/* Free key */
zend_string_release(mkey);
/* Set hasClose */
hasClose = 1;
}
/* Check if has not default */
if (!hasDefault) {
/* Key string */
zend_string *mkey = zend_string_init("default", strlen("default"), 0);
/* Value */
zval mval;
/* Set value */
ZVAL_STRING(&mval, "%s");
/* Add new key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), mkey, &mval) != NULL);
/* Free key */
zend_string_release(mkey);
/* Set hasDefault */
hasDefault = 1;
}
/* Compute child here */
if (!hasChild) {
/* Child value */
zval cval;
/* Init new child val array */
ZVAL_NEW_ARR(&cval);
/* Init hash table */
zend_hash_init(Z_ARR(cval), 0, NULL, ZVAL_PTR_DTOR, 0);
/* Compute and set child here */
/* XXX: we don't check or trigger error inside this function as these tests are done in current loop */
if (bbcode_gen_child(Z_ARR(cval), tag, key) != NULL) {
/* Child key string */
zend_string *ckey = zend_string_init("child", strlen("child"), 0);
/* Add new child key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), ckey, &cval) != NULL);
/* Free type key */
zend_string_release(ckey);
/* Set hasChild */
hasChild = 1;
/* Child generation reached an error case */
/* XXX: it will trigger error later */
} else {
/* Release hash table */
zend_array_destroy(Z_ARR(cval));
}
}
/* Check for multi type */
} else if (type == BBCODE_TYPE_MULTI) {
/* Check if has open entry */
if (!hasOpen) {
/* Key string */
zend_string *mkey = zend_string_init("open", strlen("open"), 0);
/* Value */
zval mval;
/* Check if tag is empty */
if (ZSTR_LEN(key) == 0) {
/* Init new value */
ZVAL_EMPTY_STRING(&mval);
/* Non empty tag */
} else {
/* Init buffer and length */
buf = (char *)malloc((len = strlen("<>") + ZSTR_LEN(key) + (hasArg?strlen("%s"):0))*sizeof(char));
/* Generate string in */
ZEND_ASSERT(sprintf(buf, "<%s%s>", ZSTR_VAL(key), hasArg?"%s":"") == len);
/* Init new value */
ZVAL_STRINGL(&mval, buf, len);
/* Free buffer */
free(buf);
}
/* Add new key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), mkey, &mval) != NULL);
/* Free key */
zend_string_release(mkey);
/* Set hasOpen */
hasOpen = 1;
}
/* Check if has close entry */
if (!hasClose) {
/* Key string */
zend_string *mkey = zend_string_init("close", strlen("close"), 0);
/* Value */
zval mval;
/* Check if tag is empty */
if (ZSTR_LEN(key) == 0) {
/* Init new value */
ZVAL_EMPTY_STRING(&mval);
/* Non empty tag */
} else {
/* Init buffer and length */
buf = (char *)malloc((len = strlen("") + ZSTR_LEN(key))*sizeof(char));
/* Generate string in */
ZEND_ASSERT(sprintf(buf, "", ZSTR_VAL(key)) == len);
/* Init new value */
ZVAL_STRINGL(&mval, buf, len);
/* Free buffer */
free(buf);
}
/* Add new key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), mkey, &mval) != NULL);
/* Free key */
zend_string_release(mkey);
/* Set hasClose */
hasClose = 1;
}
/* Check if has not default */
if (!hasDefault) {
/* Key string */
zend_string *mkey = zend_string_init("default", strlen("default"), 0);
/* Value */
zval mval;
/* Set value */
ZVAL_STRING(&mval, "%s");
/* Add new key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), mkey, &mval) != NULL);
/* Free key */
zend_string_release(mkey);
/* Set hasDefault */
hasDefault = 1;
}
/* Compute parent here */
if (!hasParent) {
/* Parent key string */
zend_string *pkey = zend_string_init("parent", strlen("parent"), 0);
/* Parent value */
zval pval;
/* Init new parent val array */
ZVAL_NEW_ARR(&pval);
/* Init hash table */
zend_hash_init(Z_ARR(pval), 0, NULL, ZVAL_PTR_DTOR, 0);
/* Compute and set parent here */
/* XXX: we don't check or trigger error inside this function as these tests are done in current loop */
/* TODO: change this assert to a if() and free pval on error, error will trigger in later loop (code coverage tests to do) */
ZEND_ASSERT(bbcode_gen_parent(Z_ARR(pval), tag, key) != NULL);
/* Add new parent key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), pkey, &pval) != NULL);
/* Free type key */
zend_string_release(pkey);
/* Set hasParent */
hasParent = 1;
}
/* Compute child here */
if (!hasChild) {
/* Child value */
zval cval;
/* Init new child val array */
ZVAL_NEW_ARR(&cval);
/* Init hash table */
zend_hash_init(Z_ARR(cval), 0, NULL, ZVAL_PTR_DTOR, 0);
/* Compute and set child here */
/* XXX: we don't check or trigger error inside this function as these tests are done in current loop */
if (bbcode_gen_child(Z_ARR(cval), tag, key) != NULL) {
/* Child key string */
zend_string *ckey = zend_string_init("child", strlen("child"), 0);
/* Add new child key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), ckey, &cval) != NULL);
/* Free type key */
zend_string_release(ckey);
/* Set hasChild */
hasChild = 1;
/* Child generation reached an error case */
/* XXX: it will trigger error later */
} else {
/* Release hash table */
zend_array_destroy(Z_ARR(cval));
}
}
/* Check for single type */
} else if (type == BBCODE_TYPE_SINGLE) {
/* Check if has open entry */
if (hasOpen) {
/* Display error about open entry */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d] from argument tag of type BBCODE::TYPE_SINGLE cannot have an open entry", ZSTR_VAL(key), pos);
/* Return failure */
return NULL;
}
/* Check if has close entry */
if (hasClose) {
/* Display error about close entry */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d] from argument tag of type BBCODE::TYPE_SINGLE cannot have a close entry", ZSTR_VAL(key), pos);
/* Return failure */
return NULL;
}
/* Check if has not default */
if (!hasDefault) {
/* Key string */
zend_string *skey = zend_string_init("default", strlen("default"), 0);
/* Value */
zval sval;
/* Check if key is img */
if (strcmp("img", ZSTR_VAL(key)) == 0) {
/* Init buffer and length */
buf = (char *)malloc((len = strlen("![](\"%s\"/)
") + (hasArg?strlen("%s"):0))*sizeof(char));
/* Generate string in */
ZEND_ASSERT(sprintf(buf, "![](\"%%s\"%s/)
", hasArg?"%s":"") == len);
} else {
/* Init buffer and length */
buf = (char *)malloc((len = strlen("") + ZSTR_LEN(key) + (hasArg?strlen("%s"):0))*sizeof(char));
/* Generate string in */
ZEND_ASSERT(sprintf(buf, "<%s%s/>", ZSTR_VAL(key), hasArg?"%s":"") == len);
}
/* Init new value */
ZVAL_STRINGL(&sval, buf, len);
/* Free buffer */
free(buf);
/* Add new key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), skey, &sval) != NULL);
/* Free key */
zend_string_release(skey);
/* Set hasDefault */
hasDefault = 1;
}
/* Check if has child */
if (hasChild) {
/* Display error about child entry */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %s[%d] from argument tag of type BBCODE::TYPE_SINGLE cannot have a child entry", ZSTR_VAL(key), pos);
/* Return failure */
return NULL;
}
/* Compute parent here */
if (!hasParent) {
/* Parent key string */
zend_string *pkey = zend_string_init("parent", strlen("parent"), 0);
/* Parent value */
zval pval;
/* Init new parent val array */
ZVAL_NEW_ARR(&pval);
/* Init hash table */
zend_hash_init(Z_ARR(pval), 0, NULL, ZVAL_PTR_DTOR, 0);
/* Compute and set parent here */
/* XXX: we don't check or trigger error inside this function as these tests are done in current loop */
/* TODO: change this asser to a if() and free pval on error, error will trigger in later loop (code coverage tests to do) */
ZEND_ASSERT(bbcode_gen_parent(Z_ARR(pval), tag, key) != NULL);
/* Add new parent key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), pkey, &pval) != NULL);
/* Free type key */
zend_string_release(pkey);
/* Set hasParent */
hasParent = 1;
}
}
/* Generate open and close pattern for tag with child */
if (hasChild) {
/* Child array and value */
zval *child, *ccval;
/* Close pattern length */
int len2, cpos2;
/* Close pattern buf */
char *buf2;
/* Retrieve child array */
/* XXX: child should exists here and be an array */
ZEND_ASSERT(((child = zend_hash_str_find(Z_ARR_P(val), "child", strlen("child"))) != NULL) && Z_TYPE_P(child) == IS_ARRAY);
/* Init open pattern buffer and length */
/* XXX: lagest bbcode tag length seems to be 7, we guess that 10 is enough to contain every tag and pipe */
buf = (char *)malloc((len = strlen("/\\[()(?:=([^\\]]*))?\\]/") + zend_array_count(Z_ARR_P(child))*10)*sizeof(char));
/* Init close pattern buffer and length */
/* XXX: lagest bbcode tag length seems to be 7, we guess that 10 is enough to contain every tag and pipe */
buf2 = (char *)malloc((len2 = strlen("/\\[\\/()\\]/") + zend_array_count(Z_ARR_P(child))*10)*sizeof(char));
/* Init cpos and cpos2 */
cpos = 4; cpos2 = 6;
/* Assign open pattern begin */
ZEND_ASSERT(memcpy(buf, &"/\\[(", 4) != NULL);
/* Assign close pattern begin */
ZEND_ASSERT(memcpy(buf2, &"/\\[\\/(", 6) != NULL);
/* Iterate on each val until hash end is reached */
ZEND_HASH_FOREACH_VAL(Z_ARR_P(child), ccval) {
/* Check that child val is a string */
/* XXX: ccval should be an array here */
ZEND_ASSERT(Z_TYPE_P(ccval) == IS_STRING);
/* Init zval node and type */
zval *znode, *ztype;
/* Init zend_long type */
zend_long ltype;
/* Retrieve the node */
ZEND_ASSERT((znode = zend_hash_find(tag, Z_STR_P(ccval))) != NULL && Z_TYPE_P(znode) == IS_ARRAY);
/* Try to retrieve the type */
//ZEND_ASSERT((ztype = zend_hash_str_find(Z_ARR_P(znode), "type", strlen("type"))) != NULL && Z_TYPE_P(ztype) == IS_LONG);
/* XXX: the type may not yet available here, it is fixed when checking the tag itself later */
if ((ztype = zend_hash_str_find(Z_ARR_P(znode), "type", strlen("type"))) == NULL || Z_TYPE_P(ztype) != IS_LONG) {
/* Check if empty tag */
if (Z_STRLEN_P(ccval) == 0) {
/* Set as root */
ltype = BBCODE_TYPE_ROOT;
} else if (strcmp("img", Z_STRVAL_P(ccval)) == 0) {
/* Set as single */
ltype = BBCODE_TYPE_SINGLE;
} else {
/* Set as multi */
ltype = BBCODE_TYPE_MULTI;
}
/* Type zval available and usable */
} else {
/* Set type from zval value */
ltype = Z_LVAL_P(ztype);
}
/* Check if not first string to add */
if (cpos > 4) {
/* Set pipe before next tag */
*(buf+cpos) = '|';
/* Move position */
cpos++;
/* Check if not single type */
if (ltype != BBCODE_TYPE_SINGLE) {
/* Set pipe before next tag */
*(buf2+cpos2) = '|';
/* Move position */
cpos2++;
}
}
/* Check if not single type */
if (ltype != BBCODE_TYPE_SINGLE) {
/* Grow buf if necessary */
if (cpos + Z_STRLEN_P(ccval) + 18 > len) {
/* We resize buf to current length(cpos), the string size plus eighteen char for trailing pattern */
buf = (char *)realloc(buf, (len = cpos + Z_STRLEN_P(ccval) + 18)*sizeof(char));
}
/* Copy string in buf */
ZEND_ASSERT(memcpy(buf+cpos, Z_STRVAL_P(ccval), Z_STRLEN_P(ccval)) != NULL);
/* Move cpos */
cpos += Z_STRLEN_P(ccval);
/* Grow buf2 if necessary */
if (cpos2 + Z_STRLEN_P(ccval) + 4 > len2) {
/* We resize buf2 to current length(cpos2), the string size plus four char for trailing pattern */
buf2 = (char *)realloc(buf2, (len2 = cpos2 + Z_STRLEN_P(ccval) + 4)*sizeof(char));
}
/* Copy string in buf2 */
ZEND_ASSERT(memcpy(buf2+cpos2, Z_STRVAL_P(ccval), Z_STRLEN_P(ccval)) != NULL);
/* Move cpos2 */
cpos2 += Z_STRLEN_P(ccval);
/* Single type case */
} else {
/* Grow buf if necessary */
if (cpos + Z_STRLEN_P(ccval) + strlen("(?:\\/)?") + 18 > len) {
/* We resize buf to current length(cpos), the string size plus three plus eighteen char for trailing pattern */
buf = (char *)realloc(buf, (len = cpos + Z_STRLEN_P(ccval) + strlen("(?:\\/)?") + 18)*sizeof(char));
}
/* Copy string in buf */
ZEND_ASSERT(memcpy(buf+cpos, Z_STRVAL_P(ccval), Z_STRLEN_P(ccval)) != NULL);
/* Append pattern in buf */
ZEND_ASSERT(memcpy(buf+cpos+Z_STRLEN_P(ccval), &"(?:\\/)?", strlen("(?:\\/)?")) != NULL);
/* Move cpos */
cpos += Z_STRLEN_P(ccval) + strlen("(?:\\/)?");
}
} ZEND_HASH_FOREACH_END();
/* Assign open pattern begin */
ZEND_ASSERT(memcpy(buf+cpos, &")(?:=([^\\]]*))?\\]/", 18) != NULL);
/* Assign open pattern begin */
ZEND_ASSERT(memcpy(buf2+cpos2, &")\\]/", 4) != NULL);
/* Open key string */
zend_string *okey = zend_string_init("opattern", strlen("opattern"), 0);
/* Close key string */
zend_string *ckey = zend_string_init("cpattern", strlen("cpattern"), 0);
/* Open and close value */
zval oval, cval;
/* Set open value */
ZVAL_STRINGL(&oval, buf, cpos + 18);
/* Set close value */
ZVAL_STRINGL(&cval, buf2, cpos2 + 4);
/* Free buffers */
free(buf); free(buf2);
/* Add open key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), okey, &oval) != NULL);
/* Add close key */
ZEND_ASSERT(zend_hash_add(Z_ARR_P(val), ckey, &cval) != NULL);
/* Free open key */
zend_string_release(okey);
/* Free close key */
zend_string_release(ckey);
}
/* Grow pos */
pos++;
} ZEND_HASH_FOREACH_END();
/* Check if not one unique root */
if (hasRoot != 1) {
/* Display error about multiple root */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Tag array has %d BBCODE::TYPE_ROOT entry instead of expected unique one", hasRoot);
/* Return failure */
return NULL;
}
/* Duplicate root zend string to avoid it beeing freed */
return zend_string_copy(root);
#if 0
/* Return success */
return root;
#endif
}
/* }}} */
/* {{{ static zend_bool *bbcode_check_smiley(HashTable *smiley TSRMLS_DC) {
* Check that smiley hash is valid */
static zend_bool bbcode_check_smiley(HashTable *smiley TSRMLS_DC) {
/* Key numeric value */
zend_long idx;
/* Key string */
zend_string *key;
/* Value */
zval *val;
/* Key position */
int pos = 0;
/* Iterate on each key val until hash end is reached */
ZEND_HASH_FOREACH_KEY_VAL(smiley, idx, key, val) {
/* Check that key is a string */
if (key == NULL) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Key %ld[%d] from argument smiley is not an expected string", idx, pos);
/* Return failure */
return 0;
}
/* Check that value exists */
if (val == NULL) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d] from argument smiley is NULL instead of expected array", ZSTR_VAL(key), pos);
/* Return failure */
return 0;
/* Check that value is not an array */
} else if (Z_TYPE_P(val) == IS_ARRAY) {
/* Display error about long key */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Value for key %s[%d] from argument smiley is an array instead of expected string", ZSTR_VAL(key), pos);
/* Return failure */
return 0;
}
/* Grow pos */
pos++;
} ZEND_HASH_FOREACH_END();
/* Return success */
return 1;
}
/* }}} */
/* {{{ PHP_METHOD(BBCode, __construct) { */
PHP_METHOD(BBCode, __construct) {
/* Init tag hash */
HashTable *tag = NULL;
/* Init smiley hash */
HashTable *smiley = NULL;
/* Init flag long */
zend_long flag = BBCODE_DEFAULT_FLAG;
/* Zend error handling */
zend_error_handling error_handling;
/* TODO: set tag array to a default value like this in case of missing/empty tag array :
* [ '' => [ ? ] ]
* (maybe later)
*/
/* TODO: init smiley with default list ? what about img storage ?
* TODO: use prefix in an ini parameter ? ini_setable ?
* TODO: make sure it's not really a global and per-app param ?
* (maybe later)
*/
zend_replace_error_handling(EH_THROW, bbcode_exception_ce, &error_handling);
/* Parse parameters */
/*if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "h|hl", &tag, &smiley, &flag) == FAILURE) { return; }*/
ZEND_PARSE_PARAMETERS_START(1, 3)
/* Tag arg is required */
Z_PARAM_ARRAY_HT(tag)
/* We switch to optional args */
Z_PARAM_OPTIONAL
/* Smiley arg is optional and may be null */
Z_PARAM_ARRAY_HT_EX(smiley, 1, 0)
/* Flag arg is optional and may be null */
Z_PARAM_LONG(flag)
/* End parameters parse */
ZEND_PARSE_PARAMETERS_END();
/* Retrieve the pointer to this object */
bbcode_object *obj = Z_BBCODE_P(getThis());
/* Verify that the pointer is leading somewhere */
assert(obj != NULL);
/* Set flag value */
obj->flag = flag;
/* Duplicate hash to avoid modifications on original argument */
obj->tag = zend_array_dup(tag);
/* Save tag argument hash in current object */
if ((obj->root = bbcode_check_tag(obj->tag)) == NULL) {
/* Restore error handler */
zend_restore_error_handling(&error_handling);
/* Release the tag hash */
zend_array_destroy(obj->tag);
/* Free the zend object */
//XXX: seems useless, it don't seems possible to null the contructor return value...
ZVAL_NULL(getThis() TSRMLS_CC);
/* Free the object */
efree(obj);
/* Stop here */
return;
}
/* Check if smiley argument is available */
if (smiley) {
/* Duplicate hash to avoid modifications on original argument */
obj->smiley = zend_array_dup(smiley);
/* Save smiley argument hash in current object */
if (!bbcode_check_smiley(obj->smiley)) {
/* Restore error handler */
zend_restore_error_handling(&error_handling);
/* Release the root string */
zend_string_release(obj->root);
/* Release the tag hash */
zend_array_destroy(obj->tag);
/* Release the smiley hash */
zend_array_destroy(obj->smiley);
/* Free the object */
//XXX: seems useless, it don't seems possible to null the contructor return value...
ZVAL_NULL(getThis() TSRMLS_CC);
/* Free the object */
efree(obj);
/* Stop here */
return;
}
}
/* Restore error handler */
zend_restore_error_handling(&error_handling);
}
/* }}} */
/* {{{ PHP_METHOD(BBCode, __destruct) {
* XXX: this function is called by bbcode_destroy function
*/
PHP_METHOD(BBCode, __destruct) {
//XXX: disable this code, we don't need to retrieve obj as we do nothing with userland destructor for now
#if 0
/* Retrieve the pointer to this object */
bbcode_object *obj = Z_BBCODE_P(getThis());
/* Verify that the pointer is leading somewhere */
assert(obj != NULL);
#endif
}
/* }}} */
/* */
//[HashTable *ret][zend_string *current][char *str][int offset][int length]
static char *bbcode_parse(HashTable *tag, zend_string *cur, char *rs, int *ros, int *rlen, char *str, int len TSRMLS_DC) {
/* Check if return string is not initialized or shorter than wanted length */
if (rs == NULL || *rlen - *ros <= 1024) {
/* Compute new length */
*rlen = (rs == NULL) ? 2048 : *rlen + 1024;
/* Grow the return string */
ZEND_ASSERT((rs = (char *)realloc(rs, (*rlen)*sizeof(char))) != NULL);
}
//DEBUG: for reminder
//str=skip0[r]string0[a=arg0]string1[/a]string2[b]string3[/b][/r]skip1
//len=64
/* Init zval for current node and type */
zval *znode, *ztype;
/* Retrieve current tag hash as zval */
ZEND_ASSERT((znode = zend_hash_find(tag, cur)) != NULL && Z_TYPE_P(znode) == IS_ARRAY);
/* Retrieve current tag type */
ZEND_ASSERT((ztype = zend_hash_str_find(Z_ARR_P(znode), "type", strlen("type"))) != NULL && Z_TYPE_P(ztype) == IS_LONG);
/* Retrieve current tag open */
/* XXX: may be NULL if not present */
zval *zopen = zend_hash_str_find(Z_ARR_P(znode), "open", strlen("open"));
/* Retrieve current tag close */
/* XXX: may be NULL if not present */
zval *zclose = zend_hash_str_find(Z_ARR_P(znode), "close", strlen("close"));
/* Retrieve current tag default */
/* XXX: may be NULL if not present */
zval *zdefault = zend_hash_str_find(Z_ARR_P(znode), "default", strlen("default"));
/* Retrieve current tag arg */
/* XXX: may be NULL if not present */
zval *zarg = zend_hash_str_find(Z_ARR_P(znode), "arg", strlen("arg"));
/* The arg zend string */
zend_string *argstr = NULL;
/* Check if we have a not root and not empty tag */
if (Z_LVAL_P(ztype) != BBCODE_TYPE_ROOT && strcmp(ZSTR_VAL(cur), "") != 0) {
/* Regular expression */
zend_string *regex;
/* Open and close pattern */
char *openstr, *closestr, *found;
/* Open and close pattern length */
int openlen, closelen;
/* Alloc open pattern buffer and set length */
openstr = (char *)malloc(((openlen = strlen("/\\[\\]/") + (zarg == NULL ? strlen("(?:=[^\\]]*)?") : strlen("(?:=([^\\]]*))?")) + ZSTR_LEN(cur)) + 1)*sizeof(char));
/* Alloc close pattern buffer and set length */
closestr = (char *)malloc(((closelen = strlen("[/]") + ZSTR_LEN(cur)) + 1)*sizeof(char));
/* Create open tag string */
ZEND_ASSERT(snprintf(openstr, openlen + 1, "/\\[%s%s\\]/", ZSTR_VAL(cur), (zarg == NULL ? "(?:=[^\\]]*)?" : "(?:=([^\\]]*))?")) == openlen);
/* Duplicate open tag in regex */
regex = zend_string_init(openstr, openlen, 0);
/* Free the close string */
free(closestr);
/* Compiled regular expression */
pcre_cache_entry *pce;
/* Array for subpatterns and return value */
zval rv, subpats;
/* Init subpats array */
/* XXX: if we don't initialize the array first, some strange memory corruption happen inside php_pcre_match_impl call */
array_init(&subpats);
/* Compile regex or get it from cache. */
/* TODO: see if we handle the error here ? (maybe later)
* XXX: it seems unlikely any error could be recoverable if pcre function throw something
* XXX: special char in tag is already protected earlier
* XXX: maybe just check that the pcre error trigger an exception or something uncatchable in all case
* XXX: see function pcre_get_compiled_regex_cache in ext/pcre/php_pcre.c +530 */
ZEND_ASSERT((pce = pcre_get_compiled_regex_cache(regex)) != NULL);
/* Increase pce refcount */
/* XXX: we use this instead of pce->refcount++; to avoid dereferencing compile error */
php_pcre_pce_incref(pce);
/* Call zend pcre implementation */
php_pcre_match_impl(pce, str, len, &rv, &subpats, 0, 0, 0, 0);
/* Decrease pce refcount */
/* XXX: we use this instead of pce->refcount--; to avoid dereferencing compile error */
php_pcre_pce_decref(pce);
/* Check that we found an occurence */
if (Z_TYPE(rv) == IS_LONG && Z_LVAL(rv) == 1) {
/* Init match zval */
zval *match;
/* Init the matched tag string */
//char *tstr;
/* Test that subpats is an array */
ZEND_ASSERT(Z_TYPE(subpats) == IS_ARRAY);
/* Test that subpats members count is right */
ZEND_ASSERT(zend_array_count(Z_ARR(subpats)) == (zarg == NULL ? 1 : 2));
/* Retrieve the matched full tag string */
ZEND_ASSERT((match = zend_hash_index_find(Z_ARR(subpats), 0)) != NULL);
/* Test that match is a string */
ZEND_ASSERT(Z_TYPE_P(match) == IS_STRING);
/* Find the tag in string */
if ((found = (char *)zend_memnstr(str, Z_STRVAL_P(match), Z_STRLEN_P(match), str+len))) {
/* Move str to found position + matched tag string */
str = found + Z_STRLEN_P(match);
}
/* Check if have and arg to retrieve */
if (zarg != NULL) {
/* Retrieve the matched arg string */
ZEND_ASSERT((match = zend_hash_index_find(Z_ARR(subpats), 1)) != NULL);
/* Test that match is a string */
ZEND_ASSERT(Z_TYPE_P(match) == IS_STRING);
/* Save arg string */
argstr = Z_STR_P(match);
}
//XXX: code unfinished, these todo are normal, work start here :)
//TODO: set the new search position to the current offset plus found subpats[0] string length
//TODO: save argument string for appending in return string if zarg is not NULL
//TODO: see what happen if we find start tag and not end
//TODO: see what happen if we find no start tag and no end
//TODO: see what happen if we find no start tag and no end
/* No occurence found */
} else {
/* XXX: nothing to do ? skip end tag search ??? return to parent level ? */
}
/* Destroy subpats array */
zend_array_destroy(Z_ARR(subpats));
/* Create close tag string */
//ZEND_ASSERT(snprintf(closestr, closelen + 1, "/\\[\\/%s\\]/", ZSTR_VAL(cur)) == closelen);
ZEND_ASSERT(snprintf(closestr, closelen + 1, "[/%s]", ZSTR_VAL(cur)) == closelen);
/* Look for close tag */
/* XXX: watch out, this is a maximum length to consider, the close tag may be present earlier for current leaf */
if ((found = (char *)zend_memnrstr(str, closestr, closelen, str+len))) {
/* Reduce len by the size of trailing string since close tag */
len -= len + str - found;
}
/* Free openstr and closestr */
free(openstr);
}
printf("str=%.*s\n", len, str);
fflush(NULL);
return NULL;
#if 0
fflush(NULL);
printf("str=%s\n", str);
#endif
/* XXX: debug */
zval ztag;
ZVAL_ARR(&ztag, tag);
php_debug_zval_dump(&ztag, 0);
fflush(NULL);
exit(1);
php_debug_zval_dump(zopen, 0);
php_debug_zval_dump(zclose, 0);
php_debug_zval_dump(zdefault, 0);
fflush(NULL);
exit(1);
if (argstr != NULL) {
printf("arg=%s[%ld]\n", ZSTR_VAL(argstr), ZSTR_LEN(argstr));
fflush(NULL);
exit(1);
}
//XXX: same here unfinished, code start here :)
//TODO: check what happen when we have something like that : [t]s[/t][t]p[/t]
//1: compute open and close tag
//2: extract end of open tag position and begin of close tag reverse searched in current space
//(if we don't find end tag, consider positionning to end of string or rise error ? parse flag involved here)
//3: append to return string open tag
//4: loop for child tags in subspace and trigger recursion on space between current open and close tags
//(loop involved here)
//5: duplicate plain strings between each child in return string
//6: append the close tag
#if 0
/* Check if non empty string (other tag that empty root) */
if (strcmp(ZSTR_VAL(cur), "") != 0) {
//TODO: generate search patterns for opening tag and closing tag
//TODO: search position of opening tag
//TODO: search close tag
//TODO: search for child tag
/* Non root tag */
} else {
//Nothing to do, search offset for child will be 0 and length of search to len
//TODO: search current end tag here ?
}
/* Search next child node */
/**/
//bbcode_search_node(ret,
#endif
/* Return string by default */
return rs;
}
/* { { { PHP_METHOD(BBCode, parse) {
*/
PHP_METHOD(BBCode, parse) {
/* Init string to parse */
zend_string *str = NULL;
/* Return string */
//TODO: voir si on crée pas une struct pour éviter de trainer 3 arguments
char *rs = NULL;
/* Return offset and length */
int ros = 0, rlen = 0;
/* Parse parameters */
/*if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S", &str) == FAILURE) { return; }*/
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_STR(str)
ZEND_PARSE_PARAMETERS_END();
/* Retrieve the pointer to this object */
bbcode_object *obj = Z_BBCODE_P(getThis());
/* Init return string and set length to string * 2 plus last null char */
//ZEND_ASSERT((rs = (char *)malloc((rlen = (2*Z_STRLEN(str)) + 1)*sizeof(char)) != NULL);
/* Go compute the tree */
bbcode_parse(obj->tag, obj->root, rs, &ros, &rlen, ZSTR_VAL(str), ZSTR_LEN(str));
/* Free return string */
free(rs);
#if 0
/* Retrieve root node */
zval *root = zend_hash_find(obj->tag, obj->root);
bbcode_
/* Retrieve child array */
/* XXX: child should exists here and be an array */
ZEND_ASSERT(((child = zend_hash_str_find(Z_ARR_P(val), "child", strlen("child"))) != NULL) && Z_TYPE_P(child) == IS_ARRAY);
#endif
#if BBCODE_DEBUG
/* Tag */
zval tag;
/* Init new child val array */
ZVAL_ARR(&tag, obj->tag);
php_debug_zval_dump(&tag, 0);
fflush(NULL);
#endif
//printf("flag=%ld\n", obj->flag);
//printf("die ici: %s +%d\n", __FILE__, __LINE__);
//TODO: create a tree for storing result
//TODO: apply recursively search of next possible tags (or a closing parent tag ?) regexp and store result inside
//TODO: d
//TODO: apply the smiley parsing on string
/* TODO: the return string */
RETURN_STR(str);
}
/* }}} */
/* {{{ bbcode_methods[]
*
* Every BBCode visible function must have an entry in bbcode_methods[].
*/
const zend_function_entry bbcode_methods[] = {
PHP_ME(BBCode, __construct, bbcode_construct_arginfo, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
PHP_ME(BBCode, __destruct, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_DTOR)
PHP_ME(BBCode, parse, bbcode_parse_arginfo, ZEND_ACC_PUBLIC)
PHP_FE_END
};
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(bbcode) {
/* If you have INI entries, uncomment these lines
REGISTER_INI_ENTRIES();
*/
/* Tmp zend class entry*/
zend_class_entry tmp_ce;
/* Init BBCode class entry */
INIT_CLASS_ENTRY(tmp_ce, "BBCode", bbcode_methods);
/* Register BBCode class entry */
bbcode_ce = zend_register_internal_class(&tmp_ce TSRMLS_CC);
bbcode_ce->create_object = bbcode_create;
/* Generate const */
BBCODE_DEF(BBCODE_GEN_CONST)
/* Init BBCodeException class entry */
INIT_CLASS_ENTRY(tmp_ce, "BBCodeException", NULL);
/* Register BBCodeException class entry */
bbcode_exception_ce = zend_register_internal_class_ex(&tmp_ce, zend_exception_get_default(TSRMLS_C) TSRMLS_CC);
/* Send success */
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(bbcode) {
/* uncomment this line if you have INI entries
UNREGISTER_INI_ENTRIES();
*/
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(bbcode) {
php_info_print_table_start();
php_info_print_table_header(2, PHP_BBCODE_NAME " support", "enabled");
php_info_print_table_row(2, "Extension version", PHP_BBCODE_VERSION);
php_info_print_table_end();
/* Remove comments if you have entries in php.ini
DISPLAY_INI_ENTRIES();
*/
}
/* }}} */
/* {{{ bbcode_module_entry
*/
zend_module_entry bbcode_module_entry = {
STANDARD_MODULE_HEADER,
PHP_BBCODE_NAME, /* extension name */
NULL, /* function list */
PHP_MINIT(bbcode), /* process startup */
PHP_MSHUTDOWN(bbcode), /* process shutdown */
NULL, /* request startup */
NULL, /* request shutdown */
PHP_MINFO(bbcode), /* extension info */
PHP_BBCODE_VERSION, /* extension version */
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_BBCODE
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(bbcode)
#endif
/*
* 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
*/