File size: 4,253 Bytes
da590a7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
package tools

import (
	"context"
	"fmt"
	"os"
	"strings"
)

// EditFileTool edits a file by replacing old_text with new_text.
// The old_text must exist exactly in the file.
type EditFileTool struct {
	allowedDir string
	restrict   bool
}

// NewEditFileTool creates a new EditFileTool with optional directory restriction.
func NewEditFileTool(allowedDir string, restrict bool) *EditFileTool {
	return &EditFileTool{
		allowedDir: allowedDir,
		restrict:   restrict,
	}
}

func (t *EditFileTool) Name() string {
	return "edit_file"
}

func (t *EditFileTool) Description() string {
	return "Edit a file by replacing old_text with new_text. The old_text must exist exactly in the file."
}

func (t *EditFileTool) Parameters() map[string]interface{} {
	return map[string]interface{}{
		"type": "object",
		"properties": map[string]interface{}{
			"path": map[string]interface{}{
				"type":        "string",
				"description": "The file path to edit",
			},
			"old_text": map[string]interface{}{
				"type":        "string",
				"description": "The exact text to find and replace",
			},
			"new_text": map[string]interface{}{
				"type":        "string",
				"description": "The text to replace with",
			},
		},
		"required": []string{"path", "old_text", "new_text"},
	}
}

func (t *EditFileTool) Execute(ctx context.Context, args map[string]interface{}) *ToolResult {
	path, ok := args["path"].(string)
	if !ok {
		return ErrorResult("path is required")
	}

	oldText, ok := args["old_text"].(string)
	if !ok {
		return ErrorResult("old_text is required")
	}

	newText, ok := args["new_text"].(string)
	if !ok {
		return ErrorResult("new_text is required")
	}

	resolvedPath, err := validatePath(path, t.allowedDir, t.restrict)
	if err != nil {
		return ErrorResult(err.Error())
	}

	if _, err := os.Stat(resolvedPath); os.IsNotExist(err) {
		return ErrorResult(fmt.Sprintf("file not found: %s", path))
	}

	content, err := os.ReadFile(resolvedPath)
	if err != nil {
		return ErrorResult(fmt.Sprintf("failed to read file: %v", err))
	}

	contentStr := string(content)

	if !strings.Contains(contentStr, oldText) {
		return ErrorResult("old_text not found in file. Make sure it matches exactly")
	}

	count := strings.Count(contentStr, oldText)
	if count > 1 {
		return ErrorResult(fmt.Sprintf("old_text appears %d times. Please provide more context to make it unique", count))
	}

	newContent := strings.Replace(contentStr, oldText, newText, 1)

	if err := os.WriteFile(resolvedPath, []byte(newContent), 0644); err != nil {
		return ErrorResult(fmt.Sprintf("failed to write file: %v", err))
	}

	return SilentResult(fmt.Sprintf("File edited: %s", path))
}

type AppendFileTool struct {
	workspace string
	restrict  bool
}

func NewAppendFileTool(workspace string, restrict bool) *AppendFileTool {
	return &AppendFileTool{workspace: workspace, restrict: restrict}
}

func (t *AppendFileTool) Name() string {
	return "append_file"
}

func (t *AppendFileTool) Description() string {
	return "Append content to the end of a file"
}

func (t *AppendFileTool) Parameters() map[string]interface{} {
	return map[string]interface{}{
		"type": "object",
		"properties": map[string]interface{}{
			"path": map[string]interface{}{
				"type":        "string",
				"description": "The file path to append to",
			},
			"content": map[string]interface{}{
				"type":        "string",
				"description": "The content to append",
			},
		},
		"required": []string{"path", "content"},
	}
}

func (t *AppendFileTool) Execute(ctx context.Context, args map[string]interface{}) *ToolResult {
	path, ok := args["path"].(string)
	if !ok {
		return ErrorResult("path is required")
	}

	content, ok := args["content"].(string)
	if !ok {
		return ErrorResult("content is required")
	}

	resolvedPath, err := validatePath(path, t.workspace, t.restrict)
	if err != nil {
		return ErrorResult(err.Error())
	}

	f, err := os.OpenFile(resolvedPath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
	if err != nil {
		return ErrorResult(fmt.Sprintf("failed to open file: %v", err))
	}
	defer f.Close()

	if _, err := f.WriteString(content); err != nil {
		return ErrorResult(fmt.Sprintf("failed to append to file: %v", err))
	}

	return SilentResult(fmt.Sprintf("Appended to %s", path))
}