add image type sniffers

add vips_foreign_find_load() and vips_foreign_find_load_buffer(), plus
tests

bump version to 1.0.5

Author: jcupitt

ChangeLog

@@ -1,9 +1,10 @@
 vips extension changelog
 
-dev
----
+Version 1.0.5 (2017-3-11)
+--------------------------
 	* Use VIPS_SONAME, if we can
 	* More stuff in php_info(), see https://github.com/jcupitt/php-vips/issues/32
+	* Add vips_foreign_find_load() and vips_foreign_find_load_buffer(), see https://github.com/jcupitt/php-vips/issues/37
 
 Version 1.0.4 (2016-12-30)
 --------------------------

RELEASE-1.0.4 renamed to RELEASE-1.0.5

@@ -15,9 +15,9 @@ http://pear.php.net/dtd/package-2.0.xsd">
   <email>jcupitt@php.net</email>
   <active>yes</active>
  </lead>
- <date>2016-12-30</date>
+ <date>2017-03-11</date>
  <version>
-  <release>1.0.4</release>
+  <release>1.0.5</release>
   <api>1.0.0</api>
  </version>
  <stability>
@@ -26,16 +26,17 @@ http://pear.php.net/dtd/package-2.0.xsd">
  </stability>
  <license filesource="LICENSE.txt">MIT</license>
  <notes>
-* Improve graceful fix from 1.0.3, see https://github.com/jcupitt/php-vips/issues/27
-* Better notes section in package.xml, see https://github.com/jcupitt/php-vips/issues/28
+* Use VIPS_SONAME, if we can
+* More stuff in php_info(), see https://github.com/jcupitt/php-vips/issues/32
+* Add vips_foreign_find_load() and vips_foreign_find_load_buffer(), see https://github.com/jcupitt/php-vips/issues/37
  </notes>
  <contents>
   <dir name="/">
    <file role='doc' name='API-1.0.0'/>
    <file role='doc' name='CREDITS'/>
    <file role='doc' name='LICENSE.txt'/>
    <file role='doc' name='README.md'/>
-   <file role='doc' name='RELEASE-1.0.4'/>
+   <file role='doc' name='RELEASE-1.0.5'/>
    <file role='doc' name='ChangeLog'/>
 
    <file role='src' name='config.m4'/>
@@ -90,6 +91,17 @@ http://pear.php.net/dtd/package-2.0.xsd">
  </extsrcrelease>
  <changelog>
 
+   <release>
+   <stability><release>stable</release><api>stable</api></stability>
+   <version><release>1.0.5</release><api>1.0.0</api></version>
+   <date>2017-03-11</date>
+   <notes>
+	* Use VIPS_SONAME, if we can
+	* More stuff in php_info(), see https://github.com/jcupitt/php-vips/issues/32
+	* Add vips_foreign_find_load() and vips_foreign_find_load_buffer(), see https://github.com/jcupitt/php-vips/issues/37
+   </notes>
+  </release>
+
    <release>
    <stability><release>stable</release><api>stable</api></stability>
    <version><release>1.0.4</release><api>1.0.0</api></version>

package.xml

@@ -0,0 +1,17 @@
+--TEST--
+foreign_find_load_buffer works
+--SKIPIF--
+<?php if (!extension_loaded("vips")) print "skip"; ?>
+--FILE--
+<?php 
+  $filename = dirname(__FILE__) . "/images/img_0076.jpg";
+  $buffer = file_get_contents($filename);
+
+  $loader = vips_foreign_find_load_buffer($buffer);
+
+  if ($loader == "VipsForeignLoadJpegBuffer") { 
+	echo "pass";
+  }
+?>
+--EXPECT--
+pass

tests/032.phpt

@@ -0,0 +1,16 @@
+--TEST--
+foreign_find_load works
+--SKIPIF--
+<?php if (!extension_loaded("vips")) print "skip"; ?>
+--FILE--
+<?php 
+  $filename = dirname(__FILE__) . "/images/img_0076.jpg";
+
+  $loader = vips_foreign_find_load($filename);
+
+  if ($loader == "VipsForeignLoadJpegFile") { 
+	echo "pass";
+  }
+?>
+--EXPECT--
+pass

tests/033.phpt

@@ -1331,6 +1331,48 @@ PHP_FUNCTION(vips_image_write_to_buffer)
 }
 /* }}} */
 
+/* {{{ proto string|long vips_foreign_find_load(string filename)
+   Find a loader for a file */
+PHP_FUNCTION(vips_foreign_find_load)
+{
+	char *filename;
+	size_t filename_len;
+	const char *operation_name;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", 
+		&filename, &filename_len) == FAILURE) {
+		RETURN_LONG(-1);
+	}
+
+	if (!(operation_name = vips_foreign_find_load(filename))) {
+		RETURN_LONG(-1);
+	}
+
+	RETVAL_STRING(strdup(operation_name));
+}
+/* }}} */
+
+/* {{{ proto string|long vips_foreign_find_load_buffer(string buffer)
+   Find a loader for a buffer */
+PHP_FUNCTION(vips_foreign_find_load_buffer)
+{
+	char *buffer;
+	size_t buffer_len;
+	const char *operation_name;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", 
+		&buffer, &buffer_len) == FAILURE) {
+		RETURN_LONG(-1);
+	}
+
+	if (!(operation_name = vips_foreign_find_load_buffer(buffer, buffer_len))) {
+		RETURN_LONG(-1);
+	}
+
+	RETVAL_STRING(strdup(operation_name));
+}
+/* }}} */
+
 /* {{{ proto array vips_image_get(resource image, string field)
    Fetch field from image */
 PHP_FUNCTION(vips_image_get)
@@ -1811,6 +1853,14 @@ ZEND_BEGIN_ARG_INFO(arginfo_vips_image_write_to_buffer, 0)
 	ZEND_ARG_INFO(0, options)
 ZEND_END_ARG_INFO()
 
+ZEND_BEGIN_ARG_INFO(arginfo_vips_foreign_find_load, 0)
+	ZEND_ARG_INFO(0, filename)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO(arginfo_vips_foreign_find_load_buffer, 0)
+	ZEND_ARG_INFO(0, buffer)
+ZEND_END_ARG_INFO()
+
 ZEND_BEGIN_ARG_INFO(arginfo_vips_call, 0)
 	ZEND_ARG_INFO(0, operation_name)
 	ZEND_ARG_INFO(0, instance)
@@ -1866,6 +1916,9 @@ const zend_function_entry vips_functions[] = {
 	PHP_FE(vips_image_new_from_array, arginfo_vips_image_new_from_array)
 	PHP_FE(vips_image_write_to_file, arginfo_vips_image_write_to_file)
 	PHP_FE(vips_image_write_to_buffer, arginfo_vips_image_write_to_buffer)
+	PHP_FE(vips_foreign_find_load, arginfo_vips_foreign_find_load)
+	PHP_FE(vips_foreign_find_load_buffer, arginfo_vips_foreign_find_load_buffer)
+
 	PHP_FE(vips_call, arginfo_vips_call)
 	PHP_FE(vips_image_get, arginfo_vips_image_get)
 	PHP_FE(vips_image_get_typeof, arginfo_vips_image_get_typeof)