Move busctl sources to src/busctl

busctl is not part of libsystemd, and should not be stored under libsystemd.
In particular this is confusing because busctl is linked with libshared, but
stuff in libsystemd is not supposed to depend on libshared.

1 files changed, 0 insertions, 782 deletions

diff --git a/src/libsystemd/sd-bus/busctl-introspect.c b/src/libsystemd/sd-bus/busctl-introspect.c
deleted file mode 100644
index a05794941f..0000000000
--- a/src/libsystemd/sd-bus/busctl-introspect.c
+++ /dev/null
@@ -1,782 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2014 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "sd-bus.h"
-
-#include "alloc-util.h"
-#include "busctl-introspect.h"
-#include "string-util.h"
-#include "util.h"
-#include "xml.h"
-
-#define NODE_DEPTH_MAX 16
-
-typedef struct Context {
-        const XMLIntrospectOps *ops;
-        void *userdata;
-
-        char *interface_name;
-        uint64_t interface_flags;
-
-        char *member_name;
-        char *member_signature;
-        char *member_result;
-        uint64_t member_flags;
-        bool member_writable;
-
-        const char *current;
-        void *xml_state;
-} Context;
-
-static void context_reset_member(Context *c) {
-        free(c->member_name);
-        free(c->member_signature);
-        free(c->member_result);
-
-        c->member_name = c->member_signature = c->member_result = NULL;
-        c->member_flags = 0;
-        c->member_writable = false;
-}
-
-static void context_reset_interface(Context *c) {
-        c->interface_name = mfree(c->interface_name);
-        c->interface_flags = 0;
-
-        context_reset_member(c);
-}
-
-static int parse_xml_annotation(Context *context, uint64_t *flags) {
-
-        enum {
-                STATE_ANNOTATION,
-                STATE_NAME,
-                STATE_VALUE
-        } state = STATE_ANNOTATION;
-
-        _cleanup_free_ char *field = NULL, *value = NULL;
-
-        assert(context);
-
-        for (;;) {
-                _cleanup_free_ char *name = NULL;
-
-                int t;
-
-                t = xml_tokenize(&context->current, &name, &context->xml_state, NULL);
-                if (t < 0) {
-                        log_error("XML parse error.");
-                        return t;
-                }
-
-                if (t == XML_END) {
-                        log_error("Premature end of XML data.");
-                        return -EBADMSG;
-                }
-
-                switch (state) {
-
-                case STATE_ANNOTATION:
-
-                        if (t == XML_ATTRIBUTE_NAME) {
-
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_NAME;
-
-                                else if (streq_ptr(name, "value"))
-                                        state = STATE_VALUE;
-
-                                else {
-                                        log_error("Unexpected <annotation> attribute %s.", name);
-                                        return -EBADMSG;
-                                }
-
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "annotation"))) {
-
-                                if (flags) {
-                                        if (streq_ptr(field, "org.freedesktop.DBus.Deprecated")) {
-
-                                                if (streq_ptr(value, "true"))
-                                                        *flags |= SD_BUS_VTABLE_DEPRECATED;
-
-                                        } else if (streq_ptr(field, "org.freedesktop.DBus.Method.NoReply")) {
-
-                                                if (streq_ptr(value, "true"))
-                                                        *flags |= SD_BUS_VTABLE_METHOD_NO_REPLY;
-
-                                        } else if (streq_ptr(field, "org.freedesktop.DBus.Property.EmitsChangedSignal")) {
-
-                                                if (streq_ptr(value, "const"))
-                                                        *flags = (*flags & ~(SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION|SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE)) | SD_BUS_VTABLE_PROPERTY_CONST;
-                                                else if (streq_ptr(value, "invalidates"))
-                                                        *flags = (*flags & ~(SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_CONST)) | SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION;
-                                                else if (streq_ptr(value, "false"))
-                                                        *flags = *flags & ~(SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION);
-                                        }
-                                }
-
-                                return 0;
-
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in <annotation>. (1)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                free_and_replace(field, name);
-
-                                state = STATE_ANNOTATION;
-                        } else {
-                                log_error("Unexpected token in <annotation>. (2)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_VALUE:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                free_and_replace(value, name);
-
-                                state = STATE_ANNOTATION;
-                        } else {
-                                log_error("Unexpected token in <annotation>. (3)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                default:
-                        assert_not_reached("Bad state");
-                }
-        }
-}
-
-static int parse_xml_node(Context *context, const char *prefix, unsigned n_depth) {
-
-        enum {
-                STATE_NODE,
-                STATE_NODE_NAME,
-                STATE_INTERFACE,
-                STATE_INTERFACE_NAME,
-                STATE_METHOD,
-                STATE_METHOD_NAME,
-                STATE_METHOD_ARG,
-                STATE_METHOD_ARG_NAME,
-                STATE_METHOD_ARG_TYPE,
-                STATE_METHOD_ARG_DIRECTION,
-                STATE_SIGNAL,
-                STATE_SIGNAL_NAME,
-                STATE_SIGNAL_ARG,
-                STATE_SIGNAL_ARG_NAME,
-                STATE_SIGNAL_ARG_TYPE,
-                STATE_SIGNAL_ARG_DIRECTION,
-                STATE_PROPERTY,
-                STATE_PROPERTY_NAME,
-                STATE_PROPERTY_TYPE,
-                STATE_PROPERTY_ACCESS,
-        } state = STATE_NODE;
-
-        _cleanup_free_ char *node_path = NULL, *argument_type = NULL, *argument_direction = NULL;
-        const char *np = prefix;
-        int r;
-
-        assert(context);
-        assert(prefix);
-
-        if (n_depth > NODE_DEPTH_MAX) {
-                log_error("<node> depth too high.");
-                return -EINVAL;
-        }
-
-        for (;;) {
-                _cleanup_free_ char *name = NULL;
-                int t;
-
-                t = xml_tokenize(&context->current, &name, &context->xml_state, NULL);
-                if (t < 0) {
-                        log_error("XML parse error.");
-                        return t;
-                }
-
-                if (t == XML_END) {
-                        log_error("Premature end of XML data.");
-                        return -EBADMSG;
-                }
-
-                switch (state) {
-
-                case STATE_NODE:
-                        if (t == XML_ATTRIBUTE_NAME) {
-
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_NODE_NAME;
-                                else {
-                                        log_error("Unexpected <node> attribute %s.", name);
-                                        return -EBADMSG;
-                                }
-
-                        } else if (t == XML_TAG_OPEN) {
-
-                                if (streq_ptr(name, "interface"))
-                                        state = STATE_INTERFACE;
-                                else if (streq_ptr(name, "node")) {
-
-                                        r = parse_xml_node(context, np, n_depth+1);
-                                        if (r < 0)
-                                                return r;
-                                } else {
-                                        log_error("Unexpected <node> tag %s.", name);
-                                        return -EBADMSG;
-                                }
-
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "node"))) {
-
-                                if (context->ops->on_path) {
-                                        r = context->ops->on_path(node_path ? node_path : np, context->userdata);
-                                        if (r < 0)
-                                                return r;
-                                }
-
-                                return 0;
-
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in <node>. (1)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_NODE_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-
-                                free(node_path);
-
-                                if (name[0] == '/') {
-                                        node_path = name;
-                                        name = NULL;
-                                } else {
-
-                                        if (endswith(prefix, "/"))
-                                                node_path = strappend(prefix, name);
-                                        else
-                                                node_path = strjoin(prefix, "/", name);
-                                        if (!node_path)
-                                                return log_oom();
-                                }
-
-                                np = node_path;
-                                state = STATE_NODE;
-                        } else {
-                                log_error("Unexpected token in <node>. (2)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_INTERFACE:
-
-                        if (t == XML_ATTRIBUTE_NAME) {
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_INTERFACE_NAME;
-                                else {
-                                        log_error("Unexpected <interface> attribute %s.", name);
-                                        return -EBADMSG;
-                                }
-
-                        } else if (t == XML_TAG_OPEN) {
-                                if (streq_ptr(name, "method"))
-                                        state = STATE_METHOD;
-                                else if (streq_ptr(name, "signal"))
-                                        state = STATE_SIGNAL;
-                                else if (streq_ptr(name, "property")) {
-                                        context->member_flags |= SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE;
-                                        state = STATE_PROPERTY;
-                                } else if (streq_ptr(name, "annotation")) {
-                                        r = parse_xml_annotation(context, &context->interface_flags);
-                                        if (r < 0)
-                                                return r;
-                                } else {
-                                        log_error("Unexpected <interface> tag %s.", name);
-                                        return -EINVAL;
-                                }
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "interface"))) {
-
-                                if (n_depth == 0) {
-                                        if (context->ops->on_interface) {
-                                                r = context->ops->on_interface(context->interface_name, context->interface_flags, context->userdata);
-                                                if (r < 0)
-                                                        return r;
-                                        }
-
-                                        context_reset_interface(context);
-                                }
-
-                                state = STATE_NODE;
-
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in <interface>. (1)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_INTERFACE_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                if (n_depth == 0)
-                                        free_and_replace(context->interface_name, name);
-
-                                state = STATE_INTERFACE;
-                        } else {
-                                log_error("Unexpected token in <interface>. (2)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_METHOD:
-
-                        if (t == XML_ATTRIBUTE_NAME) {
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_METHOD_NAME;
-                                else {
-                                        log_error("Unexpected <method> attribute %s", name);
-                                        return -EBADMSG;
-                                }
-                        } else if (t == XML_TAG_OPEN) {
-                                if (streq_ptr(name, "arg"))
-                                        state = STATE_METHOD_ARG;
-                                else if (streq_ptr(name, "annotation")) {
-                                        r = parse_xml_annotation(context, &context->member_flags);
-                                        if (r < 0)
-                                                return r;
-                                } else {
-                                        log_error("Unexpected <method> tag %s.", name);
-                                        return -EINVAL;
-                                }
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "method"))) {
-
-                                if (n_depth == 0) {
-                                        if (context->ops->on_method) {
-                                                r = context->ops->on_method(context->interface_name, context->member_name, context->member_signature, context->member_result, context->member_flags, context->userdata);
-                                                if (r < 0)
-                                                        return r;
-                                        }
-
-                                        context_reset_member(context);
-                                }
-
-                                state = STATE_INTERFACE;
-
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in <method> (1).");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_METHOD_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                if (n_depth == 0)
-                                        free_and_replace(context->member_name, name);
-
-                                state = STATE_METHOD;
-                        } else {
-                                log_error("Unexpected token in <method> (2).");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_METHOD_ARG:
-
-                        if (t == XML_ATTRIBUTE_NAME) {
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_METHOD_ARG_NAME;
-                                else if (streq_ptr(name, "type"))
-                                        state = STATE_METHOD_ARG_TYPE;
-                                else if (streq_ptr(name, "direction"))
-                                        state = STATE_METHOD_ARG_DIRECTION;
-                                else {
-                                        log_error("Unexpected method <arg> attribute %s.", name);
-                                        return -EBADMSG;
-                                }
-                        } else if (t == XML_TAG_OPEN) {
-                                if (streq_ptr(name, "annotation")) {
-                                        r = parse_xml_annotation(context, NULL);
-                                        if (r < 0)
-                                                return r;
-                                } else {
-                                        log_error("Unexpected method <arg> tag %s.", name);
-                                        return -EINVAL;
-                                }
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "arg"))) {
-
-                                if (n_depth == 0) {
-
-                                        if (argument_type) {
-                                                if (!argument_direction || streq(argument_direction, "in")) {
-                                                        if (!strextend(&context->member_signature, argument_type, NULL))
-                                                                return log_oom();
-                                                } else if (streq(argument_direction, "out")) {
-                                                        if (!strextend(&context->member_result, argument_type, NULL))
-                                                                return log_oom();
-                                                } else
-                                                        log_error("Unexpected method <arg> direction value '%s'.", argument_direction);
-                                        }
-
-                                        argument_type = mfree(argument_type);
-                                        argument_direction = mfree(argument_direction);
-                                }
-
-                                state = STATE_METHOD;
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in method <arg>. (1)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_METHOD_ARG_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE)
-                                state = STATE_METHOD_ARG;
-                        else {
-                                log_error("Unexpected token in method <arg>. (2)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_METHOD_ARG_TYPE:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                free_and_replace(argument_type, name);
-
-                                state = STATE_METHOD_ARG;
-                        } else {
-                                log_error("Unexpected token in method <arg>. (3)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_METHOD_ARG_DIRECTION:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                free_and_replace(argument_direction, name);
-
-                                state = STATE_METHOD_ARG;
-                        } else {
-                                log_error("Unexpected token in method <arg>. (4)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_SIGNAL:
-
-                        if (t == XML_ATTRIBUTE_NAME) {
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_SIGNAL_NAME;
-                                else {
-                                        log_error("Unexpected <signal> attribute %s.", name);
-                                        return -EBADMSG;
-                                }
-                        } else if (t == XML_TAG_OPEN) {
-                                if (streq_ptr(name, "arg"))
-                                        state = STATE_SIGNAL_ARG;
-                                else if (streq_ptr(name, "annotation")) {
-                                        r = parse_xml_annotation(context, &context->member_flags);
-                                        if (r < 0)
-                                                return r;
-                                } else {
-                                        log_error("Unexpected <signal> tag %s.", name);
-                                        return -EINVAL;
-                                }
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "signal"))) {
-
-                                if (n_depth == 0) {
-                                        if (context->ops->on_signal) {
-                                                r = context->ops->on_signal(context->interface_name, context->member_name, context->member_signature, context->member_flags, context->userdata);
-                                                if (r < 0)
-                                                        return r;
-                                        }
-
-                                        context_reset_member(context);
-                                }
-
-                                state = STATE_INTERFACE;
-
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in <signal>. (1)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_SIGNAL_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                if (n_depth == 0)
-                                        free_and_replace(context->member_name, name);
-
-                                state = STATE_SIGNAL;
-                        } else {
-                                log_error("Unexpected token in <signal>. (2)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-
-                case STATE_SIGNAL_ARG:
-
-                        if (t == XML_ATTRIBUTE_NAME) {
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_SIGNAL_ARG_NAME;
-                                else if (streq_ptr(name, "type"))
-                                        state = STATE_SIGNAL_ARG_TYPE;
-                                else if (streq_ptr(name, "direction"))
-                                        state = STATE_SIGNAL_ARG_DIRECTION;
-                                else {
-                                        log_error("Unexpected signal <arg> attribute %s.", name);
-                                        return -EBADMSG;
-                                }
-                        } else if (t == XML_TAG_OPEN) {
-                                if (streq_ptr(name, "annotation")) {
-                                        r = parse_xml_annotation(context, NULL);
-                                        if (r < 0)
-                                                return r;
-                                } else {
-                                        log_error("Unexpected signal <arg> tag %s.", name);
-                                        return -EINVAL;
-                                }
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "arg"))) {
-
-                                if (argument_type) {
-                                        if (!argument_direction || streq(argument_direction, "out")) {
-                                                if (!strextend(&context->member_signature, argument_type, NULL))
-                                                        return log_oom();
-                                        } else
-                                                log_error("Unexpected signal <arg> direction value '%s'.", argument_direction);
-
-                                        argument_type = mfree(argument_type);
-                                }
-
-                                state = STATE_SIGNAL;
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in signal <arg> (1).");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_SIGNAL_ARG_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE)
-                                state = STATE_SIGNAL_ARG;
-                        else {
-                                log_error("Unexpected token in signal <arg> (2).");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_SIGNAL_ARG_TYPE:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                free_and_replace(argument_type, name);
-
-                                state = STATE_SIGNAL_ARG;
-                        } else {
-                                log_error("Unexpected token in signal <arg> (3).");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_SIGNAL_ARG_DIRECTION:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                free_and_replace(argument_direction, name);
-
-                                state = STATE_SIGNAL_ARG;
-                        } else {
-                                log_error("Unexpected token in signal <arg>. (4)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_PROPERTY:
-
-                        if (t == XML_ATTRIBUTE_NAME) {
-                                if (streq_ptr(name, "name"))
-                                        state = STATE_PROPERTY_NAME;
-                                else if (streq_ptr(name, "type"))
-                                        state  = STATE_PROPERTY_TYPE;
-                                else if (streq_ptr(name, "access"))
-                                        state  = STATE_PROPERTY_ACCESS;
-                                else {
-                                        log_error("Unexpected <property> attribute %s.", name);
-                                        return -EBADMSG;
-                                }
-                        } else if (t == XML_TAG_OPEN) {
-
-                                if (streq_ptr(name, "annotation")) {
-                                        r = parse_xml_annotation(context, &context->member_flags);
-                                        if (r < 0)
-                                                return r;
-                                } else {
-                                        log_error("Unexpected <property> tag %s.", name);
-                                        return -EINVAL;
-                                }
-
-                        } else if (t == XML_TAG_CLOSE_EMPTY ||
-                                   (t == XML_TAG_CLOSE && streq_ptr(name, "property"))) {
-
-                                if (n_depth == 0) {
-                                        if (context->ops->on_property) {
-                                                r = context->ops->on_property(context->interface_name, context->member_name, context->member_signature, context->member_writable, context->member_flags, context->userdata);
-                                                if (r < 0)
-                                                        return r;
-                                        }
-
-                                        context_reset_member(context);
-                                }
-
-                                state = STATE_INTERFACE;
-
-                        } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                                log_error("Unexpected token in <property>. (1)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_PROPERTY_NAME:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                if (n_depth == 0)
-                                        free_and_replace(context->member_name, name);
-
-                                state = STATE_PROPERTY;
-                        } else {
-                                log_error("Unexpected token in <property>. (2)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_PROPERTY_TYPE:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-                                if (n_depth == 0)
-                                        free_and_replace(context->member_signature, name);
-
-                                state = STATE_PROPERTY;
-                        } else {
-                                log_error("Unexpected token in <property>. (3)");
-                                return -EINVAL;
-                        }
-
-                        break;
-
-                case STATE_PROPERTY_ACCESS:
-
-                        if (t == XML_ATTRIBUTE_VALUE) {
-
-                                if (streq(name, "readwrite") || streq(name, "write"))
-                                        context->member_writable = true;
-
-                                state = STATE_PROPERTY;
-                        } else {
-                                log_error("Unexpected token in <property>. (4)");
-                                return -EINVAL;
-                        }
-
-                        break;
-                }
-        }
-}
-
-int parse_xml_introspect(const char *prefix, const char *xml, const XMLIntrospectOps *ops, void *userdata) {
-        Context context = {
-                .ops = ops,
-                .userdata = userdata,
-                .current = xml,
-        };
-
-        int r;
-
-        assert(prefix);
-        assert(xml);
-        assert(ops);
-
-        for (;;) {
-                _cleanup_free_ char *name = NULL;
-
-                r = xml_tokenize(&context.current, &name, &context.xml_state, NULL);
-                if (r < 0) {
-                        log_error("XML parse error");
-                        goto finish;
-                }
-
-                if (r == XML_END) {
-                        r = 0;
-                        break;
-                }
-
-                if (r == XML_TAG_OPEN) {
-
-                        if (streq(name, "node")) {
-                                r = parse_xml_node(&context, prefix, 0);
-                                if (r < 0)
-                                        goto finish;
-                        } else {
-                                log_error("Unexpected tag '%s' in introspection data.", name);
-                                r = -EBADMSG;
-                                goto finish;
-                        }
-                } else if (r != XML_TEXT || !in_charset(name, WHITESPACE)) {
-                        log_error("Unexpected token.");
-                        r = -EBADMSG;
-                        goto finish;
-                }
-        }
-
-finish:
-        context_reset_interface(&context);
-
-        return r;
-}