fix: missing interfaces/exceptions in arrow-ext

src/extension/arrow-ext/php/Flow/Arrow/OutputStream.php

@@ -4,6 +4,10 @@
 
 namespace Flow\Arrow;
 
+if (\extension_loaded('arrow')) {
+    return;
+}
+
 interface OutputStream
 {
     public function append(string $data) : self;

src/extension/arrow-ext/php/Flow/Arrow/Parquet/Exception.php

@@ -4,6 +4,10 @@
 
 namespace Flow\Arrow\Parquet;
 
-final class Exception extends \RuntimeException
+if (\extension_loaded('arrow')) {
+    return;
+}
+
+final class Exception extends \Exception
 {
 }

src/extension/arrow-ext/php/Flow/Arrow/RandomAccessFile.php

@@ -4,6 +4,10 @@
 
 namespace Flow\Arrow;
 
+if (\extension_loaded('arrow')) {
+    return;
+}
+
 interface RandomAccessFile
 {
     public function read(int $length, int $offset) : string;

src/extension/arrow-ext/src/lib.rs

@@ -21,7 +21,24 @@ pub extern "C" fn php_module_info(_module: *mut ModuleEntry) {
     info_table_end!();
 }
 
+pub unsafe extern "C" fn module_startup(_type: i32, _module_number: i32) -> i32 {
+    if let Err(e) = stream::output_stream::register() {
+        eprintln!("arrow: failed to register Flow\\Arrow\\OutputStream: {e}");
+        return -1;
+    }
+    if let Err(e) = stream::random_access_file::register() {
+        eprintln!("arrow: failed to register Flow\\Arrow\\RandomAccessFile: {e}");
+        return -1;
+    }
+    if let Err(e) = parquet::exception::register() {
+        eprintln!("arrow: failed to register Flow\\Arrow\\Parquet\\Exception: {e}");
+        return -1;
+    }
+    0
+}
+
 #[php_module]
+#[php(startup = "module_startup")]
 pub fn get_module(module: ModuleBuilder) -> ModuleBuilder {
     module
         .info_function(php_module_info)

src/extension/arrow-ext/src/parquet/exception.rs

@@ -1,6 +1,21 @@
+use ext_php_rs::builders::ClassBuilder;
+use ext_php_rs::error::Result;
 use ext_php_rs::exception::PhpException;
+use ext_php_rs::flags::ClassFlags;
 use ext_php_rs::zend::{ce, ClassEntry};
 
+fn noop(_ce: &'static mut ClassEntry) {}
+
+pub fn register() -> Result<()> {
+    ClassBuilder::new("Flow\\Arrow\\Parquet\\Exception")
+        .extends((ce::exception, "Exception"))
+        .flags(ClassFlags::Final)
+        .registration(noop)
+        .register()?;
+
+    Ok(())
+}
+
 fn parquet_exception_ce() -> &'static ClassEntry {
     ClassEntry::try_find("Flow\\Arrow\\Parquet\\Exception")
         .unwrap_or_else(|| ce::exception())

src/extension/arrow-ext/src/stream/mod.rs

@@ -1,2 +1,4 @@
+pub mod output_stream;
 pub mod php_destination_stream;
 pub mod php_source_stream;
+pub mod random_access_file;

src/extension/arrow-ext/src/stream/output_stream.rs

@@ -0,0 +1,22 @@
+use ext_php_rs::args::Arg;
+use ext_php_rs::builders::{ClassBuilder, FunctionBuilder};
+use ext_php_rs::error::Result;
+use ext_php_rs::flags::{ClassFlags, DataType, MethodFlags};
+use ext_php_rs::zend::ClassEntry;
+
+fn noop(_ce: &'static mut ClassEntry) {}
+
+pub fn register() -> Result<()> {
+    ClassBuilder::new("Flow\\Arrow\\OutputStream")
+        .flags(ClassFlags::Interface)
+        .registration(noop)
+        .method(
+            FunctionBuilder::new_abstract("append")
+                .arg(Arg::new("data", DataType::String))
+                .returns(DataType::Object(Some("self")), false, false),
+            MethodFlags::Public | MethodFlags::Abstract,
+        )
+        .register()?;
+
+    Ok(())
+}

src/extension/arrow-ext/src/stream/random_access_file.rs

@@ -0,0 +1,28 @@
+use ext_php_rs::args::Arg;
+use ext_php_rs::builders::{ClassBuilder, FunctionBuilder};
+use ext_php_rs::error::Result;
+use ext_php_rs::flags::{ClassFlags, DataType, MethodFlags};
+use ext_php_rs::zend::ClassEntry;
+
+fn noop(_ce: &'static mut ClassEntry) {}
+
+pub fn register() -> Result<()> {
+    ClassBuilder::new("Flow\\Arrow\\RandomAccessFile")
+        .flags(ClassFlags::Interface)
+        .registration(noop)
+        .method(
+            FunctionBuilder::new_abstract("read")
+                .arg(Arg::new("length", DataType::Long))
+                .arg(Arg::new("offset", DataType::Long))
+                .returns(DataType::String, false, false),
+            MethodFlags::Public | MethodFlags::Abstract,
+        )
+        .method(
+            FunctionBuilder::new_abstract("size")
+                .returns(DataType::Long, false, true),
+            MethodFlags::Public | MethodFlags::Abstract,
+        )
+        .register()?;
+
+    Ok(())
+}

src/extension/arrow-ext/tests/phpt/036_interfaces_and_exception_registered.phpt

@@ -0,0 +1,30 @@
+--TEST--
+arrow extension registers OutputStream, RandomAccessFile interfaces and Parquet\Exception class
+--SKIPIF--
+<?php if (!extension_loaded("arrow")) die("skip arrow extension not loaded"); ?>
+--FILE--
+<?php
+var_dump(interface_exists('Flow\Arrow\OutputStream', false));
+var_dump(interface_exists('Flow\Arrow\RandomAccessFile', false));
+var_dump(class_exists('Flow\Arrow\Parquet\Exception', false));
+var_dump(is_subclass_of('Flow\Arrow\Parquet\Exception', \Exception::class));
+
+$r = new ReflectionClass('Flow\Arrow\OutputStream');
+var_dump($r->isInterface());
+var_dump($r->hasMethod('append'));
+
+$r = new ReflectionClass('Flow\Arrow\RandomAccessFile');
+var_dump($r->isInterface());
+var_dump($r->hasMethod('read'));
+var_dump($r->hasMethod('size'));
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(true)