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Commit 1e55758

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Prototype XSLTProcessor::transformToStream()
1 parent 7f27a81 commit 1e55758

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6 files changed

+185
-1
lines changed

6 files changed

+185
-1
lines changed

‎ext/xsl/php_xsl.stub.php

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Original file line numberDiff line numberDiff line change
@@ -91,6 +91,12 @@ public function importStylesheet(object $stylesheet): bool {}
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*/
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public function transformToDoc(object $document, ?string $returnClass = null): object|false {}
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/**
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* @param DOMDocument|Dom\Document|SimpleXMLElement $document
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* @param resource $stream
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*/
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public function transformToStream(object $document, $stream, ?string $encoding = null): int {}
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/**
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* @param DOMDocument|Dom\Document|SimpleXMLElement $document
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* @tentative-return-type

‎ext/xsl/php_xsl_arginfo.h

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‎ext/xsl/tests/transform_to_stream.phpt

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--TEST--
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XSLTProcessor::transformToStream() function - normal
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--EXTENSIONS--
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xsl
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--FILE--
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<?php
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include("prepare.inc");
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$proc->importStylesheet($xsl);
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$stream = fopen('php://output', 'w');
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$written = $proc->transformToStream($dom, $stream);
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fclose($stream);
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echo "\n";
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var_dump($written);
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$stream = fopen('php://output', 'w');
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$written = $proc->transformToStream($dom, $stream, 'iso-8859-1');
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fclose($stream);
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echo "\n";
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var_dump($written);
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?>
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--EXPECT--
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<?xml version="1.0" encoding="iso-8859-1"?>
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<html><body>bar
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a1 b1 c1 <br/>
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a2 c2 <br/>
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ä3 b3 c3 <br/>
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</body></html>
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int(120)
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<?xml version="1.0" encoding="iso-8859-1"?>
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<html><body>bar
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a1 b1 c1 <br/>
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a2 c2 <br/>
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ä3 b3 c3 <br/>
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</body></html>
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int(119)
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--TEST--
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XSLTProcessor::transformToStream() function - broken stream
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--EXTENSIONS--
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xsl
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--FILE--
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<?php
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class MyStream {
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public $context;
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private bool $first = true;
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public function stream_write(string $data): int {
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if ($this->first) {
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$this->first = false;
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var_dump($data);
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}
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throw new Error("broken");
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}
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public function stream_open(string $path, string $mode, int $options, ?string &$opened_path) {
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return true;
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}
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public function stream_close(): void {
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}
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public function stream_eof(): bool {
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return !$this->first;
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}
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}
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stream_wrapper_register("foo", MyStream::class);
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include("prepare.inc");
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$proc->importStylesheet($xsl);
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$stream = fopen('foo://', 'w');
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stream_set_chunk_size($stream, 4);
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$written = $proc->transformToStream($dom, $stream);
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fclose($stream);
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echo "\n";
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var_dump($written);
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?>
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--EXPECTF--
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string(4) "<?xm"
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Fatal error: Uncaught Error: broken in %s:%d
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Stack trace:
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#0 [internal function]: MyStream->stream_write('<?xm')
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#1 %s(%d): XSLTProcessor->transformToStream(Object(DOMDocument), Resource id #%d)
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#2 {main}
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thrown in %s on line %d
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--TEST--
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XSLTProcessor::transformToStream() function - errors
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--EXTENSIONS--
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xsl
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--FILE--
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<?php
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include("prepare.inc");
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$proc->importStylesheet($xsl);
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$stream = fopen('php://output', 'w');
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try {
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$proc->transformToStream($dom, $stream, 'nope');
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} catch (ValueError $e) {
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echo $e->getMessage(), "\n";
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}
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fclose($stream);
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?>
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--EXPECT--
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XSLTProcessor::transformToStream(): Argument #3 ($encoding) is not a valid document encoding

‎ext/xsl/xsltprocessor.c

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Original file line numberDiff line numberDiff line change
@@ -21,6 +21,7 @@
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#include "php.h"
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#include "php_xsl.h"
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#include "Zend/zend_exceptions.h"
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#include <libxslt/variables.h>
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#include "ext/libxml/php_libxml.h"
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#include "ext/dom/namespace_compat.h"
@@ -481,6 +482,66 @@ PHP_METHOD(XSLTProcessor, transformToDoc)
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}
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/* }}} end XSLTProcessor::transformToDoc */
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static int xsl_stream_write(void *context, const char *buffer, int len)
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{
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zend_resource *resource = context;
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if (EXPECTED(resource->ptr)) {
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php_stream *stream = resource->ptr;
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return php_stream_write(stream, buffer, len);
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}
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return -1;
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}
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PHP_METHOD(XSLTProcessor, transformToStream)
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{
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zval *docp, *stream_zv;
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php_stream *stream;
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const char *encoding = NULL;
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size_t encoding_len;
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if (zend_parse_parameters(ZEND_NUM_ARGS(), "or|p!", &docp, &stream_zv, &encoding, &encoding_len) == FAILURE) {
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RETURN_THROWS();
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}
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php_stream_from_res(stream, Z_RES_P(stream_zv));
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xmlCharEncodingHandlerPtr handler = NULL;
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if (encoding) {
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handler = xmlFindCharEncodingHandler(encoding);
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if (UNEXPECTED(!handler)) {
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zend_argument_value_error(3, "is not a valid document encoding");
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RETURN_THROWS();
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}
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}
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xsl_object *intern = Z_XSL_P(ZEND_THIS);
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xsltStylesheetPtr sheetp = intern->ptr;
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xmlOutputBufferPtr out = xmlOutputBufferCreateIO(xsl_stream_write, NULL, stream->res, handler);
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if (UNEXPECTED(!out)) {
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zend_throw_error(zend_ce_exception, "Failed to create output buffer");
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RETURN_THROWS();
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}
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xmlDocPtr newdocp = php_xsl_apply_stylesheet(ZEND_THIS, intern, sheetp, docp);
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int ret = -1;
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if (newdocp) {
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ret = xsltSaveResultTo(out, newdocp, sheetp);
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xmlFreeDoc(newdocp);
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}
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xmlOutputBufferClose(out);
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if (ret < 0) {
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if (!EG(exception)) {
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zend_throw_error(zend_ce_exception, "Failed to transform and write document");
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}
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RETURN_THROWS();
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}
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RETURN_LONG(ret);
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}
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/* {{{ */
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PHP_METHOD(XSLTProcessor, transformToUri)
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{

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