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Promote warnings to exceptions in ext/xmlreader #6021

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86c8b88
Promote warnings to exceptions in ext/xmlreader
kocsismate Aug 19, 2020
49fa70c
Fix review
kocsismate Aug 24, 2020
541fc02
Review round 2
kocsismate Aug 25, 2020
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108 changes: 59 additions & 49 deletions ext/xmlreader/php_xmlreader.c
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Original file line number Diff line number Diff line change
Expand Up @@ -175,7 +175,7 @@ zval *xmlreader_write_property(zend_object *object, zend_string *name, zval *val
hnd = zend_hash_find_ptr(obj->prop_handler, name);
}
if (hnd != NULL) {
php_error_docref(NULL, E_WARNING, "Cannot write to read-only property");
zend_throw_error(NULL, "Cannot write to read-only property");
} else {
value = zend_std_write_property(object, name, value, cache_slot);
}
Expand Down Expand Up @@ -391,8 +391,8 @@ static void php_xmlreader_string_arg(INTERNAL_FUNCTION_PARAMETERS, xmlreader_rea
}

if (!name_len) {
php_error_docref(NULL, E_WARNING, "Argument cannot be an empty string");
RETURN_FALSE;
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

id = ZEND_THIS;
Expand Down Expand Up @@ -480,8 +480,8 @@ static void php_xmlreader_set_relaxng_schema(INTERNAL_FUNCTION_PARAMETERS, int t
}

if (source != NULL && !source_len) {
php_error_docref(NULL, E_WARNING, "Schema data source is required");
RETURN_FALSE;
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

id = ZEND_THIS;
Expand All @@ -506,15 +506,16 @@ static void php_xmlreader_set_relaxng_schema(INTERNAL_FUNCTION_PARAMETERS, int t
intern->schema = schema;

RETURN_TRUE;
} else {
zend_throw_error(NULL, "Schema contains errors");
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This one should be a warning.

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:/ Both fixed now!

RETURN_FALSE;
}
} else {
zend_throw_error(NULL, "Schema must be set prior to reading");
RETURN_THROWS();
}

php_error_docref(NULL, E_WARNING, "Unable to set schema. This must be set prior to reading or schema contains errors.");

RETURN_FALSE;
#else
php_error_docref(NULL, E_WARNING, "No Schema support built into libxml.");

php_error_docref(NULL, E_WARNING, "No schema support built into libxml");
RETURN_FALSE;
#endif
}
Expand Down Expand Up @@ -585,9 +586,14 @@ PHP_METHOD(XMLReader, getAttributeNs)
RETURN_THROWS();
}

if (name_len == 0 || ns_uri_len == 0) {
php_error_docref(NULL, E_WARNING, "Attribute Name and Namespace URI cannot be empty");
RETURN_FALSE;
if (name_len == 0) {
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

if (ns_uri_len == 0) {
zend_argument_value_error(2, "cannot be empty");
RETURN_THROWS();
}

id = ZEND_THIS;
Expand Down Expand Up @@ -622,8 +628,8 @@ PHP_METHOD(XMLReader, getParserProperty)
retval = xmlTextReaderGetParserProp(intern->ptr,property);
}
if (retval == -1) {
php_error_docref(NULL, E_WARNING, "Invalid parser property");
RETURN_FALSE;
zend_argument_value_error(1, "must be a valid parser property");
RETURN_THROWS();
}

RETURN_BOOL(retval);
Expand Down Expand Up @@ -660,8 +666,8 @@ PHP_METHOD(XMLReader, moveToAttribute)
}

if (name_len == 0) {
php_error_docref(NULL, E_WARNING, "Attribute Name is required");
RETURN_FALSE;
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

id = ZEND_THIS;
Expand Down Expand Up @@ -719,9 +725,14 @@ PHP_METHOD(XMLReader, moveToAttributeNs)
RETURN_THROWS();
}

if (name_len == 0 || ns_uri_len == 0) {
php_error_docref(NULL, E_WARNING, "Attribute Name and Namespace URI cannot be empty");
RETURN_FALSE;
if (name_len == 0) {
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

if (ns_uri_len == 0) {
zend_argument_value_error(2, "cannot be empty");
RETURN_THROWS();
}

id = ZEND_THIS;
Expand Down Expand Up @@ -772,17 +783,16 @@ PHP_METHOD(XMLReader, read)

id = ZEND_THIS;
intern = Z_XMLREADER_P(id);
if (intern != NULL && intern->ptr != NULL) {
retval = xmlTextReaderRead(intern->ptr);
if (retval == -1) {
RETURN_FALSE;
} else {
RETURN_BOOL(retval);
}
if (intern == NULL || intern->ptr == NULL) {
zend_throw_error(NULL, "Data must be loaded before reading");
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Missing a RETURN_THROWS().

}

php_error_docref(NULL, E_WARNING, "Load Data before trying to read");
RETURN_FALSE;
retval = xmlTextReaderRead(intern->ptr);
if (retval == -1) {
RETURN_FALSE;
} else {
RETURN_BOOL(retval);
}
}
/* }}} */

Expand Down Expand Up @@ -816,8 +826,7 @@ PHP_METHOD(XMLReader, next)
}
}

php_error_docref(NULL, E_WARNING, "Load Data before trying to read");
RETURN_FALSE;
zend_throw_error(NULL, "Data must be loaded before reading");
}
/* }}} */

Expand Down Expand Up @@ -848,8 +857,8 @@ PHP_METHOD(XMLReader, open)
}

if (!source_len) {
php_error_docref(NULL, E_WARNING, "Empty string supplied as input");
RETURN_FALSE;
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

valid_file = _xmlreader_get_valid_file_path(source, resolved_path, MAXPATHLEN );
Expand Down Expand Up @@ -920,8 +929,8 @@ PHP_METHOD(XMLReader, setSchema)
}

if (source != NULL && !source_len) {
php_error_docref(NULL, E_WARNING, "Schema data source is required");
RETURN_FALSE;
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

id = ZEND_THIS;
Expand All @@ -932,15 +941,16 @@ PHP_METHOD(XMLReader, setSchema)

if (retval == 0) {
RETURN_TRUE;
} else {
php_error_docref(NULL, E_WARNING, "Schema contains errors");
RETURN_FALSE;
}
} else {
zend_throw_error(NULL, "Schema must be set prior to reading");
RETURN_THROWS();
}

php_error_docref(NULL, E_WARNING, "Unable to set schema. This must be set prior to reading or schema contains errors.");

RETURN_FALSE;
#else
php_error_docref(NULL, E_WARNING, "No Schema support built into libxml.");

php_error_docref(NULL, E_WARNING, "No schema support built into libxml");
RETURN_FALSE;
#endif
}
Expand All @@ -967,8 +977,8 @@ PHP_METHOD(XMLReader, setParserProperty)
retval = xmlTextReaderSetParserProp(intern->ptr,property, value);
}
if (retval == -1) {
php_error_docref(NULL, E_WARNING, "Invalid parser property");
RETURN_FALSE;
zend_argument_value_error(1, "must be a valid parser property");
RETURN_THROWS();
}

RETURN_TRUE;
Expand Down Expand Up @@ -1022,8 +1032,8 @@ PHP_METHOD(XMLReader, XML)
}

if (!source_len) {
php_error_docref(NULL, E_WARNING, "Empty string supplied as input");
RETURN_FALSE;
zend_argument_value_error(1, "cannot be empty");
RETURN_THROWS();
}

inputbfr = xmlParserInputBufferCreateMem(source, source_len, XML_CHAR_ENCODING_NONE);
Expand Down Expand Up @@ -1105,7 +1115,7 @@ PHP_METHOD(XMLReader, expand)
node = xmlTextReaderExpand(intern->ptr);

if (node == NULL) {
php_error_docref(NULL, E_WARNING, "An Error Occurred while expanding ");
php_error_docref(NULL, E_WARNING, "An Error Occurred while expanding");
RETURN_FALSE;
} else {
nodec = xmlDocCopyNode(node, docp, 1);
Expand All @@ -1117,8 +1127,8 @@ PHP_METHOD(XMLReader, expand)
}
}
} else {
php_error_docref(NULL, E_WARNING, "Load Data before trying to expand");
RETURN_FALSE;
zend_throw_error(NULL, "Data must be loaded before expanding");
RETURN_THROWS();
}
#else
php_error(E_WARNING, "DOM support is not enabled");
Expand Down
4 changes: 2 additions & 2 deletions ext/xmlreader/php_xmlreader.stub.php
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ class XMLReader
/** @return bool */
public function close() {}

/** @return string|null|false */
/** @return string|null */
public function getAttribute(string $name) {}

/** @return string|null */
Expand All @@ -22,7 +22,7 @@ public function getParserProperty(int $property) {}
/** @return bool */
public function isValid() {}

/** @return string|null|false */
/** @return string|null */
public function lookupNamespace(string $prefix) {}

/** @return bool */
Expand Down
2 changes: 1 addition & 1 deletion ext/xmlreader/php_xmlreader_arginfo.h
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/* This is a generated file, edit the .stub.php file instead.
* Stub hash: 8bdec18c4ad8574fb1d3e4baca928949d5ec2438 */
* Stub hash: 90e6d525ba87399c54f36965ebf18dbf65084617 */

ZEND_BEGIN_ARG_INFO_EX(arginfo_class_XMLReader_close, 0, 0, 0)
ZEND_END_ARG_INFO()
Expand Down
13 changes: 9 additions & 4 deletions ext/xmlreader/tests/001.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,10 +17,15 @@ while ($reader->read()) {
}
$xmlstring = '';
$reader = new XMLReader();
$reader->XML($xmlstring);

try {
$reader->XML($xmlstring);
} catch (ValueError $exception) {
echo $exception->getMessage() . "\n";
}

?>
--EXPECTF--
--EXPECT--
books
books

Warning: XMLReader::XML(): Empty string supplied as input in %s on line %d
XMLReader::XML(): Argument #1 ($source) cannot be empty
10 changes: 7 additions & 3 deletions ext/xmlreader/tests/002.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,11 @@ $xmlstring = '<?xml version="1.0" encoding="UTF-8"?>
file_put_contents($filename, $xmlstring);

$reader = new XMLReader();
if ($reader->open('')) exit();
try {
$reader->open('');
} catch (ValueError $exception) {
echo $exception->getMessage() . "\n";
}

$reader = new XMLReader();
if (!$reader->open($filename)) {
Expand All @@ -31,7 +35,7 @@ $reader->close();
unlink($filename);

?>
--EXPECTF--
Warning: XMLReader::open(): Empty string supplied as input in %s on line %d
--EXPECT--
XMLReader::open(): Argument #1 ($URI) cannot be empty
books
books
14 changes: 8 additions & 6 deletions ext/xmlreader/tests/003-get-errors.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,12 @@ while ($reader->read()) {
echo $reader->value . "\n";

// Test for call with an empty string argument
$attr = $reader->getAttribute('');
var_dump($attr);
try {
$reader->getAttribute('');
} catch (ValueError $exception) {
echo $exception->getMessage() . "\n";
}

// Ensure that node pointer has not changed position
echo $reader->name . ": ";
echo $reader->value . "\n";
Expand Down Expand Up @@ -61,13 +65,11 @@ $reader->close();
<?php
unlink(__DIR__.'/003-get-errors.xml');
?>
--EXPECTF--
--EXPECT--
book
bool(true)
num: 1

Warning: XMLReader::getAttribute(): Argument cannot be an empty string in %s on line %d
bool(false)
XMLReader::getAttribute(): Argument #1 ($name) cannot be empty
num: 1
NULL
num: 1
Expand Down
14 changes: 8 additions & 6 deletions ext/xmlreader/tests/003-move-errors.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,12 @@ while ($reader->read()) {
echo $reader->value . "\n";

// Test for call with an empty string argument
$attr = $reader->moveToAttribute('');
var_dump($attr);
try {
$reader->moveToAttribute('');
} catch (ValueError $exception) {
echo $exception->getMessage() . "\n";
}

// Ensure that node pointer has not changed position
echo $reader->name . ": ";
echo $reader->value . "\n";
Expand Down Expand Up @@ -60,13 +64,11 @@ $reader->close();
<?php
unlink(__DIR__.'/003-move-errors.xml');
?>
--EXPECTF--
--EXPECT--
book
bool(true)
num: 1

Warning: XMLReader::moveToAttribute(): Attribute Name is required in %s on line %d
bool(false)
XMLReader::moveToAttribute(): Argument #1 ($name) cannot be empty
num: 1
bool(false)
num: 1
Expand Down
12 changes: 7 additions & 5 deletions ext/xmlreader/tests/003.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -68,14 +68,18 @@ while ($reader->read()) {

var_dump($reader->moveToAttributeNo(20));
var_dump($reader->moveToAttribute('missing-attribute'));
var_dump($reader->moveToAttribute(''));
try {
$reader->moveToAttribute('');
} catch (ValueError $exception) {
echo $exception->getMessage() . "\n";
}
}
}
}
$reader->close();
unlink($filename);
?>
--EXPECTF--
--EXPECT--
num: 1
idx: 2
num: 1
Expand All @@ -84,6 +88,4 @@ num: 1
idx: 2
bool(false)
bool(false)

Warning: XMLReader::moveToAttribute(): Attribute Name is required in %s on line %d
bool(false)
XMLReader::moveToAttribute(): Argument #1 ($name) cannot be empty
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