Files
libguestfs/generator/java.ml
Richard W.M. Jones 62e775c350 Change the handling of private functions, safe_malloc etc.
Rename guestfs_safe_malloc et al to guestfs___safe_malloc etc.

To use the private functions, code now has to define
-DGUESTFS_PRIVATE_FUNCTIONS=1.  This will make it easier for us in
future to work out which programs are using these functions and to
minimize both the number of programs and the functions they are
calling.

Note that the Perl, Python, OCaml, Ruby and Java bindings use
guestfs_safe_* calls.  None of the other bindings do.  This is a bug
(in the bindings using those functions): these functions will call the
out of memory callback on failure.  This function defaults to abort(),
and since this happens from a language binding, there is no way to
change this default.
2012-12-15 19:41:29 +00:00

890 lines
27 KiB
OCaml

(* libguestfs
* Copyright (C) 2009-2012 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(* Please read generator/README first. *)
open Printf
open Types
open Utils
open Pr
open Docstrings
open Optgroups
open Actions
open Structs
open C
(* Generate Java bindings GuestFS.java file. *)
let rec generate_java_java () =
generate_header CStyle LGPLv2plus;
pr "\
package com.redhat.et.libguestfs;
import java.util.HashMap;
import java.util.Map;
/**
* The GuestFS object is a libguestfs handle.
*
* @author rjones
*/
public class GuestFS {
// Load the native code.
static {
System.loadLibrary (\"guestfs_jni\");
}
/**
* The native guestfs_h pointer.
*/
long g;
/**
* Create a libguestfs handle, setting flags.
*
* @throws LibGuestFSException
*/
public GuestFS (Map<String, Object> optargs) throws LibGuestFSException
{
int flags = 0;
/* Unpack optional args. */
Object _optobj;
_optobj = null;
if (optargs != null)
_optobj = optargs.get (\"environment\");
if (_optobj != null && !((Boolean) _optobj).booleanValue())
flags |= 1;
if (optargs != null)
_optobj = optargs.get (\"close_on_exit\");
if (_optobj != null && !((Boolean) _optobj).booleanValue())
flags |= 2;
g = _create (flags);
}
/**
* Create a libguestfs handle.
*
* @throws LibGuestFSException
*/
public GuestFS () throws LibGuestFSException
{
g = _create (0);
}
private native long _create (int flags) throws LibGuestFSException;
/**
* Close a libguestfs handle.
*
* You can also leave handles to be collected by the garbage
* collector, but this method ensures that the resources used
* by the handle are freed up immediately. If you call any
* other methods after closing the handle, you will get an
* exception.
*
* @throws LibGuestFSException
*/
public void close () throws LibGuestFSException
{
if (g != 0)
_close (g);
g = 0;
}
private native void _close (long g) throws LibGuestFSException;
public void finalize () throws LibGuestFSException
{
close ();
}
";
List.iter (
fun ({ name = name; style = (ret, args, optargs as style);
in_docs = in_docs; shortdesc = shortdesc;
longdesc = longdesc; non_c_aliases = non_c_aliases } as f) ->
if in_docs then (
let doc = replace_str longdesc "C<guestfs_" "C<g." in
let doc =
if optargs <> [] then
doc ^ "\n\nOptional arguments are supplied in the final Map<String,Object> parameter, which is a hash of the argument name to its value (cast to Object). Pass an empty Map or null for no optional arguments."
else doc in
let doc =
if f.protocol_limit_warning then
doc ^ "\n\n" ^ protocol_limit_warning
else doc in
let doc =
match deprecation_notice f with
| None -> doc
| Some txt -> doc ^ "\n\n" ^ txt in
let doc = pod2text ~width:60 name doc in
let doc = List.map ( (* RHBZ#501883 *)
function
| "" -> "<p>"
| nonempty -> nonempty
) doc in
let doc = String.concat "\n * " doc in
pr " /**\n";
pr " * %s\n" shortdesc;
pr " * <p>\n";
pr " * %s\n" doc;
pr " * @throws LibGuestFSException\n";
pr " */\n";
);
pr " ";
generate_java_prototype ~public:true ~semicolon:false name style;
pr "\n";
pr " {\n";
pr " if (g == 0)\n";
pr " throw new LibGuestFSException (\"%s: handle is closed\");\n"
name;
if optargs <> [] then (
pr "\n";
pr " /* Unpack optional args. */\n";
pr " Object _optobj;\n";
pr " long _optargs_bitmask = 0;\n";
iteri (
fun i argt ->
let t, boxed_t, convert, n, default =
match argt with
| OBool n -> "boolean", "Boolean", ".booleanValue()", n, "false"
| OInt n -> "int", "Integer", ".intValue()", n, "0"
| OInt64 n -> "long", "Long", ".longValue()", n, "0"
| OString n -> "String", "String", "", n, "\"\""
| OStringList n -> "String[]", "String[]", "", n, "new String[]{}" in
pr " %s %s = %s;\n" t n default;
pr " _optobj = null;\n";
pr " if (optargs != null)\n";
pr " _optobj = optargs.get (\"%s\");\n" n;
pr " if (_optobj != null) {\n";
pr " %s = ((%s) _optobj)%s;\n" n boxed_t convert;
pr " _optargs_bitmask |= %LdL;\n"
(Int64.shift_left Int64.one i);
pr " }\n";
) optargs
);
pr "\n";
(match ret with
| RErr ->
pr " _%s " name;
generate_java_call_args ~handle:"g" style;
pr ";\n"
| RHashtable _ ->
pr " String[] r = _%s " name;
generate_java_call_args ~handle:"g" style;
pr ";\n";
pr "\n";
pr " HashMap<String, String> rhash = new HashMap<String, String> ();\n";
pr " for (int i = 0; i < r.length; i += 2)\n";
pr " rhash.put (r[i], r[i+1]);\n";
pr " return rhash;\n"
| _ ->
pr " return _%s " name;
generate_java_call_args ~handle:"g" style;
pr ";\n"
);
pr " }\n";
pr "\n";
(* Generate an overloaded method that has no optargs argument,
* and make it call the method above with 'null' for the last
* arg.
*)
if optargs <> [] then (
pr " ";
generate_java_prototype ~public:true ~semicolon:false
name (ret, args, []);
pr "\n";
pr " {\n";
(match ret with
| RErr -> pr " "
| _ -> pr " return "
);
pr "%s (" name;
List.iter (fun arg -> pr "%s, " (name_of_argt arg)) args;
pr "null);\n";
pr " }\n";
pr "\n"
);
(* Aliases. *)
List.iter (
fun alias ->
pr " ";
generate_java_prototype ~public:true ~semicolon:false alias style;
pr "\n";
pr " {\n";
(match ret with
| RErr -> pr " "
| _ -> pr " return "
);
pr "%s (" name;
let needs_comma = ref false in
List.iter (
fun arg ->
if !needs_comma then pr ", ";
needs_comma := true;
pr "%s" (name_of_argt arg)
) args;
if optargs <> [] then (
if !needs_comma then pr ", ";
needs_comma := true;
pr "optargs"
);
pr ");\n";
pr " }\n";
pr "\n";
if optargs <> [] then (
pr " ";
generate_java_prototype ~public:true ~semicolon:false
alias (ret, args, []);
pr "\n";
pr " {\n";
(match ret with
| RErr -> pr " "
| _ -> pr " return "
);
pr "%s (" name;
List.iter (fun arg -> pr "%s, " (name_of_argt arg)) args;
pr "null);\n";
pr " }\n";
pr "\n"
)
) non_c_aliases;
(* Prototype for the native method. *)
pr " ";
generate_java_prototype ~privat:true ~native:true name style;
pr "\n";
pr "\n";
) all_functions;
pr "}\n"
(* Generate Java call arguments, eg "(handle, foo, bar)" *)
and generate_java_call_args ~handle (_, args, optargs) =
pr "(%s" handle;
List.iter (fun arg -> pr ", %s" (name_of_argt arg)) args;
if optargs <> [] then (
pr ", _optargs_bitmask";
List.iter (fun arg -> pr ", %s" (name_of_optargt arg)) optargs
);
pr ")"
and generate_java_prototype ?(public=false) ?(privat=false) ?(native=false)
?(semicolon=true) name (ret, args, optargs) =
if privat then pr "private ";
if public then pr "public ";
if native then pr "native ";
(* return type *)
(match ret with
| RErr -> pr "void ";
| RInt _ -> pr "int ";
| RInt64 _ -> pr "long ";
| RBool _ -> pr "boolean ";
| RConstString _ | RConstOptString _ | RString _
| RBufferOut _ -> pr "String ";
| RStringList _ -> pr "String[] ";
| RStruct (_, typ) ->
let name = camel_name_of_struct typ in
pr "%s " name;
| RStructList (_, typ) ->
let name = camel_name_of_struct typ in
pr "%s[] " name;
| RHashtable _ ->
if not native then
pr "Map<String,String> "
else
pr "String[] ";
);
if native then pr "_%s " name else pr "%s " name;
pr "(";
let needs_comma = ref false in
if native then (
pr "long g";
needs_comma := true
);
(* args *)
List.iter (
fun arg ->
if !needs_comma then pr ", ";
needs_comma := true;
match arg with
| Pathname n
| Device n | Dev_or_Path n
| String n
| OptString n
| FileIn n
| FileOut n
| Key n ->
pr "String %s" n
| BufferIn n ->
pr "byte[] %s" n
| StringList n | DeviceList n ->
pr "String[] %s" n
| Bool n ->
pr "boolean %s" n
| Int n ->
pr "int %s" n
| Int64 n | Pointer (_, n) ->
pr "long %s" n
) args;
if optargs <> [] then (
if !needs_comma then pr ", ";
needs_comma := true;
if not native then
pr "Map<String, Object> optargs"
else (
pr "long _optargs_bitmask";
List.iter (
fun argt ->
match argt with
| OBool n -> pr ", boolean %s" n
| OInt n -> pr ", int %s" n
| OInt64 n -> pr ", long %s" n
| OString n -> pr ", String %s" n
| OStringList n -> pr ", String[] %s" n
) optargs
)
);
pr ")\n";
pr " throws LibGuestFSException";
if semicolon then pr ";"
and generate_java_struct jtyp cols () =
generate_header CStyle LGPLv2plus;
pr "\
package com.redhat.et.libguestfs;
/**
* Libguestfs %s structure.
*
* @author rjones
* @see GuestFS
*/
public class %s {
" jtyp jtyp;
List.iter (
function
| name, FString
| name, FUUID
| name, FBuffer -> pr " public String %s;\n" name
| name, (FBytes|FUInt64|FInt64) -> pr " public long %s;\n" name
| name, (FUInt32|FInt32) -> pr " public int %s;\n" name
| name, FChar -> pr " public char %s;\n" name
| name, FOptPercent ->
pr " /* The next field is [0..100] or -1 meaning 'not present': */\n";
pr " public float %s;\n" name
) cols;
pr "}\n"
and generate_java_c () =
generate_header CStyle LGPLv2plus;
pr "\
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include \"com_redhat_et_libguestfs_GuestFS.h\"
#include \"guestfs.h\"
/* Note that this function returns. The exception is not thrown
* until after the wrapper function returns.
*/
static void
throw_exception (JNIEnv *env, const char *msg)
{
jclass cl;
cl = (*env)->FindClass (env,
\"com/redhat/et/libguestfs/LibGuestFSException\");
(*env)->ThrowNew (env, cl, msg);
}
JNIEXPORT jlong JNICALL
Java_com_redhat_et_libguestfs_GuestFS__1create (JNIEnv *env,
jobject obj_unused, jint flags)
{
guestfs_h *g;
g = guestfs_create_flags ((int) flags);
if (g == NULL) {
throw_exception (env, \"GuestFS.create: failed to allocate handle\");
return 0;
}
guestfs_set_error_handler (g, NULL, NULL);
return (jlong) (long) g;
}
JNIEXPORT void JNICALL
Java_com_redhat_et_libguestfs_GuestFS__1close
(JNIEnv *env, jobject obj, jlong jg)
{
guestfs_h *g = (guestfs_h *) (long) jg;
guestfs_close (g);
}
";
List.iter (
fun { name = name; style = (ret, args, optargs as style);
c_function = c_function } ->
pr "JNIEXPORT ";
(match ret with
| RErr -> pr "void ";
| RInt _ -> pr "jint ";
| RInt64 _ -> pr "jlong ";
| RBool _ -> pr "jboolean ";
| RConstString _ | RConstOptString _ | RString _
| RBufferOut _ -> pr "jstring ";
| RStruct _ | RHashtable _ ->
pr "jobject ";
| RStringList _ | RStructList _ ->
pr "jobjectArray ";
);
pr "JNICALL\n";
pr "Java_com_redhat_et_libguestfs_GuestFS_";
pr "%s" (replace_str ("_" ^ name) "_" "_1");
pr " (JNIEnv *env, jobject obj, jlong jg";
List.iter (
function
| Pathname n
| Device n | Dev_or_Path n
| String n
| OptString n
| FileIn n
| FileOut n
| Key n ->
pr ", jstring j%s" n
| BufferIn n ->
pr ", jbyteArray j%s" n
| StringList n | DeviceList n ->
pr ", jobjectArray j%s" n
| Bool n ->
pr ", jboolean j%s" n
| Int n ->
pr ", jint j%s" n
| Int64 n | Pointer (_, n) ->
pr ", jlong j%s" n
) args;
if optargs <> [] then (
pr ", jlong joptargs_bitmask";
List.iter (
function
| OBool n -> pr ", jboolean j%s" n
| OInt n -> pr ", jint j%s" n
| OInt64 n -> pr ", jlong j%s" n
| OString n -> pr ", jstring j%s" n
| OStringList n -> pr ", jobjectArray j%s" n
) optargs
);
pr ")\n";
pr "{\n";
pr " guestfs_h *g = (guestfs_h *) (long) jg;\n";
(match ret with
| RErr -> pr " int r;\n"
| RBool _
| RInt _ -> pr " int r;\n"
| RInt64 _ -> pr " int64_t r;\n"
| RConstString _ -> pr " const char *r;\n"
| RConstOptString _ -> pr " const char *r;\n"
| RString _ ->
pr " jstring jr;\n";
pr " char *r;\n"
| RStringList _
| RHashtable _ ->
pr " jobjectArray jr;\n";
pr " size_t r_len;\n";
pr " jclass cl;\n";
pr " jstring jstr;\n";
pr " char **r;\n"
| RStruct (_, typ) ->
pr " jobject jr;\n";
pr " jclass cl;\n";
pr " jfieldID fl;\n";
pr " struct guestfs_%s *r;\n" typ
| RStructList (_, typ) ->
pr " jobjectArray jr;\n";
pr " jclass cl;\n";
pr " jfieldID fl;\n";
pr " jobject jfl;\n";
pr " struct guestfs_%s_list *r;\n" typ
| RBufferOut _ ->
pr " jstring jr;\n";
pr " char *r;\n";
pr " size_t size;\n"
);
List.iter (
function
| Pathname n
| Device n | Dev_or_Path n
| String n
| OptString n
| FileIn n
| FileOut n
| Key n ->
pr " const char *%s;\n" n
| BufferIn n ->
pr " char *%s;\n" n;
pr " size_t %s_size;\n" n
| StringList n | DeviceList n ->
pr " size_t %s_len;\n" n;
pr " char **%s;\n" n
| Bool n
| Int n ->
pr " int %s;\n" n
| Int64 n ->
pr " int64_t %s;\n" n
| Pointer (t, n) ->
pr " %s %s;\n" t n
) args;
if optargs <> [] then (
pr " struct %s optargs_s;\n" c_function;
pr " const struct %s *optargs = &optargs_s;\n" c_function;
List.iter (
function
| OBool _ | OInt _ | OInt64 _ | OString _ -> ()
| OStringList n ->
pr " size_t %s_len;\n" n;
pr " char **%s;\n" n
) optargs
);
let needs_i =
(match ret with
| RStringList _ | RStructList _ | RHashtable _ -> true
| RErr | RBool _ | RInt _ | RInt64 _ | RConstString _
| RConstOptString _
| RString _ | RBufferOut _ | RStruct _ -> false) ||
List.exists (function
| StringList _ -> true
| DeviceList _ -> true
| _ -> false) args ||
List.exists (function
| OStringList _ -> true
| _ -> false) optargs in
if needs_i then
pr " size_t i;\n";
pr "\n";
(* Get the parameters. *)
List.iter (
function
| Pathname n
| Device n | Dev_or_Path n
| String n
| FileIn n
| FileOut n
| Key n ->
pr " %s = (*env)->GetStringUTFChars (env, j%s, NULL);\n" n n
| OptString n ->
(* This is completely undocumented, but Java null becomes
* a NULL parameter.
*)
pr " %s = j%s ? (*env)->GetStringUTFChars (env, j%s, NULL) : NULL;\n" n n n
| BufferIn n ->
pr " %s = (char *) (*env)->GetByteArrayElements (env, j%s, NULL);\n" n n;
pr " %s_size = (*env)->GetArrayLength (env, j%s);\n" n n
| StringList n | DeviceList n ->
pr " %s_len = (*env)->GetArrayLength (env, j%s);\n" n n;
pr " %s = guestfs___safe_malloc (g, sizeof (char *) * (%s_len+1));\n" n n;
pr " for (i = 0; i < %s_len; ++i) {\n" n;
pr " jobject o = (*env)->GetObjectArrayElement (env, j%s, i);\n"
n;
pr " %s[i] = (char *) (*env)->GetStringUTFChars (env, o, NULL);\n" n;
pr " }\n";
pr " %s[%s_len] = NULL;\n" n n;
| Bool n
| Int n
| Int64 n ->
pr " %s = j%s;\n" n n
| Pointer (t, n) ->
pr " %s = (%s) j%s;\n" n t n
) args;
if optargs <> [] then (
pr "\n";
List.iter (
function
| OBool n | OInt n | OInt64 n ->
pr " optargs_s.%s = j%s;\n" n n
| OString n ->
pr " optargs_s.%s = (*env)->GetStringUTFChars (env, j%s, NULL);\n"
n n
| OStringList n ->
pr " %s_len = (*env)->GetArrayLength (env, j%s);\n" n n;
pr " %s = guestfs___safe_malloc (g, sizeof (char *) * (%s_len+1));\n" n n;
pr " for (i = 0; i < %s_len; ++i) {\n" n;
pr " jobject o = (*env)->GetObjectArrayElement (env, j%s, i);\n"
n;
pr " %s[i] = (char *) (*env)->GetStringUTFChars (env, o, NULL);\n" n;
pr " }\n";
pr " %s[%s_len] = NULL;\n" n n;
pr " optargs_s.%s = %s;\n" n n
) optargs;
pr " optargs_s.bitmask = joptargs_bitmask;\n";
);
pr "\n";
(* Make the call. *)
pr " r = %s " c_function;
generate_c_call_args ~handle:"g" style;
pr ";\n";
pr "\n";
(* Release the parameters. *)
List.iter (
function
| Pathname n
| Device n | Dev_or_Path n
| String n
| FileIn n
| FileOut n
| Key n ->
pr " (*env)->ReleaseStringUTFChars (env, j%s, %s);\n" n n
| OptString n ->
pr " if (j%s)\n" n;
pr " (*env)->ReleaseStringUTFChars (env, j%s, %s);\n" n n
| BufferIn n ->
pr " (*env)->ReleaseByteArrayElements (env, j%s, (jbyte *) %s, 0);\n" n n
| StringList n | DeviceList n ->
pr " for (i = 0; i < %s_len; ++i) {\n" n;
pr " jobject o = (*env)->GetObjectArrayElement (env, j%s, i);\n"
n;
pr " (*env)->ReleaseStringUTFChars (env, o, %s[i]);\n" n;
pr " }\n";
pr " free (%s);\n" n
| Bool _
| Int _
| Int64 _
| Pointer _ -> ()
) args;
List.iter (
function
| OBool n | OInt n | OInt64 n -> ()
| OString n ->
pr " (*env)->ReleaseStringUTFChars (env, j%s, optargs_s.%s);\n" n n
| OStringList n ->
pr " for (i = 0; i < %s_len; ++i) {\n" n;
pr " jobject o = (*env)->GetObjectArrayElement (env, j%s, i);\n"
n;
pr " (*env)->ReleaseStringUTFChars (env, o, optargs_s.%s[i]);\n" n;
pr " }\n";
pr " free (%s);\n" n
) optargs;
pr "\n";
(* Check for errors. *)
(match errcode_of_ret ret with
| `CannotReturnError -> ()
| (`ErrorIsMinusOne|`ErrorIsNULL) as errcode ->
(match errcode with
| `ErrorIsMinusOne ->
pr " if (r == -1) {\n";
| `ErrorIsNULL ->
pr " if (r == NULL) {\n";
);
pr " throw_exception (env, guestfs_last_error (g));\n";
(match ret with
| RErr ->
pr " return;\n"
| RInt _
| RInt64 _
| RBool _ ->
pr " return -1;\n"
| RConstString _ | RConstOptString _ | RString _
| RBufferOut _
| RStruct _ | RHashtable _
| RStringList _ | RStructList _ ->
pr " return NULL;\n"
);
pr " }\n"
);
(* Return value. *)
(match ret with
| RErr -> ()
| RInt _ -> pr " return (jint) r;\n"
| RBool _ -> pr " return (jboolean) r;\n"
| RInt64 _ -> pr " return (jlong) r;\n"
| RConstString _ -> pr " return (*env)->NewStringUTF (env, r);\n"
| RConstOptString _ ->
pr " return (*env)->NewStringUTF (env, r); /* XXX r NULL? */\n"
| RString _ ->
pr " jr = (*env)->NewStringUTF (env, r);\n";
pr " free (r);\n";
pr " return jr;\n"
| RStringList _
| RHashtable _ ->
pr " for (r_len = 0; r[r_len] != NULL; ++r_len) ;\n";
pr " cl = (*env)->FindClass (env, \"java/lang/String\");\n";
pr " jstr = (*env)->NewStringUTF (env, \"\");\n";
pr " jr = (*env)->NewObjectArray (env, r_len, cl, jstr);\n";
pr " for (i = 0; i < r_len; ++i) {\n";
pr " jstr = (*env)->NewStringUTF (env, r[i]);\n";
pr " (*env)->SetObjectArrayElement (env, jr, i, jstr);\n";
pr " free (r[i]);\n";
pr " }\n";
pr " free (r);\n";
pr " return jr;\n"
| RStruct (_, typ) ->
let jtyp = camel_name_of_struct typ in
let cols = cols_of_struct typ in
generate_java_struct_return typ jtyp cols
| RStructList (_, typ) ->
let jtyp = camel_name_of_struct typ in
let cols = cols_of_struct typ in
generate_java_struct_list_return typ jtyp cols
| RBufferOut _ ->
pr " jr = (*env)->NewStringUTF (env, r); // XXX size\n";
pr " free (r);\n";
pr " return jr;\n"
);
pr "}\n";
pr "\n"
) all_functions
and generate_java_struct_return typ jtyp cols =
pr " cl = (*env)->FindClass (env, \"com/redhat/et/libguestfs/%s\");\n" jtyp;
pr " jr = (*env)->AllocObject (env, cl);\n";
List.iter (
function
| name, FString ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
pr " (*env)->SetObjectField (env, jr, fl, (*env)->NewStringUTF (env, r->%s));\n" name;
| name, FUUID ->
pr " {\n";
pr " char s[33];\n";
pr " memcpy (s, r->%s, 32);\n" name;
pr " s[32] = 0;\n";
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
pr " (*env)->SetObjectField (env, jr, fl, (*env)->NewStringUTF (env, s));\n";
pr " }\n";
| name, FBuffer ->
pr " {\n";
pr " size_t len = r->%s_len;\n" name;
pr " char s[len+1];\n";
pr " memcpy (s, r->%s, len);\n" name;
pr " s[len] = 0;\n";
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
pr " (*env)->SetObjectField (env, jr, fl, (*env)->NewStringUTF (env, s));\n";
pr " }\n";
| name, (FBytes|FUInt64|FInt64) ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"J\");\n" name;
pr " (*env)->SetLongField (env, jr, fl, r->%s);\n" name;
| name, (FUInt32|FInt32) ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"I\");\n" name;
pr " (*env)->SetLongField (env, jr, fl, r->%s);\n" name;
| name, FOptPercent ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"F\");\n" name;
pr " (*env)->SetFloatField (env, jr, fl, r->%s);\n" name;
| name, FChar ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"C\");\n" name;
pr " (*env)->SetLongField (env, jr, fl, r->%s);\n" name;
) cols;
pr " free (r);\n";
pr " return jr;\n"
and generate_java_struct_list_return typ jtyp cols =
pr " cl = (*env)->FindClass (env, \"com/redhat/et/libguestfs/%s\");\n" jtyp;
pr " jr = (*env)->NewObjectArray (env, r->len, cl, NULL);\n";
pr " for (i = 0; i < r->len; ++i) {\n";
pr " jfl = (*env)->AllocObject (env, cl);\n";
List.iter (
function
| name, FString ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
pr " (*env)->SetObjectField (env, jfl, fl, (*env)->NewStringUTF (env, r->val[i].%s));\n" name;
| name, FUUID ->
pr " {\n";
pr " char s[33];\n";
pr " memcpy (s, r->val[i].%s, 32);\n" name;
pr " s[32] = 0;\n";
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
pr " (*env)->SetObjectField (env, jfl, fl, (*env)->NewStringUTF (env, s));\n";
pr " }\n";
| name, FBuffer ->
pr " {\n";
pr " size_t len = r->val[i].%s_len;\n" name;
pr " char s[len+1];\n";
pr " memcpy (s, r->val[i].%s, len);\n" name;
pr " s[len] = 0;\n";
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
pr " (*env)->SetObjectField (env, jfl, fl, (*env)->NewStringUTF (env, s));\n";
pr " }\n";
| name, (FBytes|FUInt64|FInt64) ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"J\");\n" name;
pr " (*env)->SetLongField (env, jfl, fl, r->val[i].%s);\n" name;
| name, (FUInt32|FInt32) ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"I\");\n" name;
pr " (*env)->SetLongField (env, jfl, fl, r->val[i].%s);\n" name;
| name, FOptPercent ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"F\");\n" name;
pr " (*env)->SetFloatField (env, jfl, fl, r->val[i].%s);\n" name;
| name, FChar ->
pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"C\");\n" name;
pr " (*env)->SetLongField (env, jfl, fl, r->val[i].%s);\n" name;
) cols;
pr " (*env)->SetObjectArrayElement (env, jfl, i, jfl);\n";
pr " }\n";
pr " guestfs_free_%s_list (r);\n" typ;
pr " return jr;\n"
and generate_java_makefile_inc () =
generate_header HashStyle GPLv2plus;
let jtyps = List.map (fun { s_camel_name = jtyp } -> jtyp) structs in
let jtyps = List.sort compare jtyps in
pr "java_built_sources = \\\n";
List.iter (
pr "\tcom/redhat/et/libguestfs/%s.java \\\n"
) jtyps;
pr "\tcom/redhat/et/libguestfs/GuestFS.java\n"
and generate_java_gitignore () =
let jtyps = List.map (fun { s_camel_name = jtyp } -> jtyp) structs in
let jtyps = List.sort compare jtyps in
List.iter (pr "%s.java\n") jtyps