forked from google/agi
-
Notifications
You must be signed in to change notification settings - Fork 0
/
delete.go
98 lines (79 loc) · 2.62 KB
/
delete.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
// Copyright (C) 2019 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package resolve
import (
"context"
"fmt"
"math"
"github.com/google/gapid/gapis/api"
"github.com/google/gapid/gapis/capture"
"github.com/google/gapid/gapis/database"
"github.com/google/gapid/gapis/service/path"
)
// Delete creates a copy of the capture referenced by p, but without the object, value
// or memory at p. The path returned is identical to p, but with
// the base changed to refer to the new capture.
func Delete(ctx context.Context, p *path.Any, r *path.ResolveConfig) (*path.Any, error) {
obj, err := database.Build(ctx, &DeleteResolvable{Path: p, Config: r})
if err != nil {
return nil, err
}
return obj.(*path.Any), nil
}
// Resolve implements the database.Resolver interface.
func (r *DeleteResolvable) Resolve(ctx context.Context) (interface{}, error) {
ctx = SetupContext(ctx, path.FindCapture(r.Path.Node()), r.Config)
p, err := deleteCommand(ctx, r.Path.Node())
if err != nil {
return nil, err
}
return p.Path(), nil
}
func deleteCommand(ctx context.Context, p path.Node) (*path.Capture, error) {
switch p := p.(type) {
case *path.Command:
if len(p.Indices) > 1 {
return nil, fmt.Errorf("Cannot modify subcommands") // TODO: Subcommands
}
cmdIdx := p.Indices[0]
// Resolve the command list
oldCmds, err := NCmds(ctx, p.Capture, cmdIdx+1)
if err != nil {
return nil, err
}
cmds := removeCommandFromList(cmdIdx, oldCmds)
// Create the new capture
old, err := capture.ResolveGraphicsFromPath(ctx, p.Capture)
if err != nil {
return nil, err
}
c, err := capture.NewGraphicsCapture(ctx, old.Name()+"*", old.Header, old.InitialState, cmds)
if err != nil {
return nil, err
}
newCapure, err := capture.New(ctx, c)
if err != nil {
return nil, err
}
return newCapure, nil
}
return nil, fmt.Errorf("Incorrect path type %T", p)
}
func removeCommandFromList(cmdIdx uint64, oldCmds []api.Cmd) []api.Cmd {
const MAXID = math.MaxUint64
cmds := make([]api.Cmd, 0, uint64(len(oldCmds))-1)
cmds = append(cmds, oldCmds[:cmdIdx]...)
cmds = append(cmds, oldCmds[cmdIdx+1:]...)
return cmds
}