--- /dev/null
+(* libguestfs
+ * Copyright (C) 2009-2010 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 Generator_types
+open Generator_utils
+open Generator_pr
+open Generator_docstrings
+open Generator_optgroups
+open Generator_actions
+open Generator_structs
+open Generator_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 com.redhat.et.libguestfs.LibGuestFSException;
+import com.redhat.et.libguestfs.PV;
+import com.redhat.et.libguestfs.VG;
+import com.redhat.et.libguestfs.LV;
+import com.redhat.et.libguestfs.Stat;
+import com.redhat.et.libguestfs.StatVFS;
+import com.redhat.et.libguestfs.IntBool;
+import com.redhat.et.libguestfs.Dirent;
+
+/**
+ * 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.
+ *
+ * @throws LibGuestFSException
+ */
+ public GuestFS () throws LibGuestFSException
+ {
+ g = _create ();
+ }
+ private native long _create () 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, style, _, flags, _, shortdesc, longdesc) ->
+ if not (List.mem NotInDocs flags); then (
+ let doc = replace_str longdesc "C<guestfs_" "C<g." in
+ let doc =
+ if List.mem ProtocolLimitWarning flags then
+ doc ^ "\n\n" ^ protocol_limit_warning
+ else doc in
+ let doc =
+ if List.mem DangerWillRobinson flags then
+ doc ^ "\n\n" ^ danger_will_robinson
+ else doc in
+ let doc =
+ match deprecation_notice flags 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;
+ pr " ";
+ if fst style <> RErr then pr "return ";
+ pr "_%s " name;
+ generate_java_call_args ~handle:"g" (snd style);
+ pr ";\n";
+ pr " }\n";
+ 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 =
+ pr "(%s" handle;
+ List.iter (fun arg -> pr ", %s" (name_of_argt arg)) args;
+ pr ")"
+
+and generate_java_prototype ?(public=false) ?(privat=false) ?(native=false)
+ ?(semicolon=true) name style =
+ if privat then pr "private ";
+ if public then pr "public ";
+ if native then pr "native ";
+
+ (* return type *)
+ (match fst style 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 = java_name_of_struct typ in
+ pr "%s " name;
+ | RStructList (_, typ) ->
+ let name = java_name_of_struct typ in
+ pr "%s[] " name;
+ | RHashtable _ -> pr "HashMap<String,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 ->
+ pr "long %s" n
+ ) (snd style);
+
+ 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 <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)
+{
+ guestfs_h *g;
+
+ g = guestfs_create ();
+ 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, style, _, _, _, _, _) ->
+ pr "JNIEXPORT ";
+ (match fst style 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 "\n";
+ 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 ->
+ pr ", jlong j%s" n
+ ) (snd style);
+ pr ")\n";
+ pr "{\n";
+ pr " guestfs_h *g = (guestfs_h *) (long) jg;\n";
+ let error_code, no_ret =
+ match fst style with
+ | RErr -> pr " int r;\n"; "-1", ""
+ | RBool _
+ | RInt _ -> pr " int r;\n"; "-1", "0"
+ | RInt64 _ -> pr " int64_t r;\n"; "-1", "0"
+ | RConstString _ -> pr " const char *r;\n"; "NULL", "NULL"
+ | RConstOptString _ -> pr " const char *r;\n"; "NULL", "NULL"
+ | RString _ ->
+ pr " jstring jr;\n";
+ pr " char *r;\n"; "NULL", "NULL"
+ | RStringList _ ->
+ pr " jobjectArray jr;\n";
+ pr " int r_len;\n";
+ pr " jclass cl;\n";
+ pr " jstring jstr;\n";
+ pr " char **r;\n"; "NULL", "NULL"
+ | RStruct (_, typ) ->
+ pr " jobject jr;\n";
+ pr " jclass cl;\n";
+ pr " jfieldID fl;\n";
+ pr " struct guestfs_%s *r;\n" typ; "NULL", "NULL"
+ | 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; "NULL", "NULL"
+ | RHashtable _ -> pr " char **r;\n"; "NULL", "NULL"
+ | RBufferOut _ ->
+ pr " jstring jr;\n";
+ pr " char *r;\n";
+ pr " size_t size;\n";
+ "NULL", "NULL" in
+ 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 " jbyte *%s;\n" n;
+ pr " size_t %s_size;\n" n
+ | StringList n | DeviceList n ->
+ pr " int %s_len;\n" n;
+ pr " const char **%s;\n" n
+ | Bool n
+ | Int n ->
+ pr " int %s;\n" n
+ | Int64 n ->
+ pr " int64_t %s;\n" n
+ ) (snd style);
+
+ let needs_i =
+ (match fst style with
+ | RStringList _ | RStructList _ -> true
+ | RErr | RBool _ | RInt _ | RInt64 _ | RConstString _
+ | RConstOptString _
+ | RString _ | RBufferOut _ | RStruct _ | RHashtable _ -> false) ||
+ List.exists (function
+ | StringList _ -> true
+ | DeviceList _ -> true
+ | _ -> false) (snd style) 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 = (*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] = (*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
+ ) (snd style);
+
+ (* Make the call. *)
+ pr " r = guestfs_%s " name;
+ generate_c_call_args ~handle:"g" style;
+ 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, %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 n
+ | Int n
+ | Int64 n -> ()
+ ) (snd style);
+
+ (* Check for errors. *)
+ pr " if (r == %s) {\n" error_code;
+ pr " throw_exception (env, guestfs_last_error (g));\n";
+ pr " return %s;\n" no_ret;
+ pr " }\n";
+
+ (* Return value. *)
+ (match fst style 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 _ ->
+ 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 = java_name_of_struct typ in
+ let cols = cols_of_struct typ in
+ generate_java_struct_return typ jtyp cols
+ | RStructList (_, typ) ->
+ let jtyp = java_name_of_struct typ in
+ let cols = cols_of_struct typ in
+ generate_java_struct_list_return typ jtyp cols
+ | RHashtable _ ->
+ (* XXX *)
+ pr " throw_exception (env, \"%s: internal error: please let us know how to make a Java HashMap from JNI bindings!\");\n" name;
+ pr " return NULL;\n"
+ | 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 " int 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 " int 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;
+
+ pr "java_built_sources = \\\n";
+ List.iter (
+ fun (typ, jtyp) ->
+ pr "\tcom/redhat/et/libguestfs/%s.java \\\n" jtyp;
+ ) java_structs;
+ pr "\tcom/redhat/et/libguestfs/GuestFS.java\n"
git.annexia.org / libguestfs.git / blobdiff