lmcli/pkg/agent/toolbox/file_insert_lines.go

115 lines
2.9 KiB
Go
Raw Normal View History

package toolbox
import (
"fmt"
"os"
"strings"
toolutil "git.mlow.ca/mlow/lmcli/pkg/agent/toolbox/util"
"git.mlow.ca/mlow/lmcli/pkg/api"
)
const FILE_INSERT_LINES_DESCRIPTION = `Insert lines into a file, must specify path.
Make sure your inserts match the flow and indentation of surrounding content.`
var FileInsertLinesTool = api.ToolSpec{
Name: "file_insert_lines",
Description: FILE_INSERT_LINES_DESCRIPTION,
Parameters: []api.ToolParameter{
{
Name: "path",
Type: "string",
Description: "Path of the file to be modified, relative to the current working directory.",
Required: true,
},
{
Name: "position",
Type: "integer",
Description: `Which line to insert content *before*.`,
Required: true,
},
{
Name: "content",
Type: "string",
Description: `The content to insert.`,
Required: true,
},
},
Impl: func(tool *api.ToolSpec, args map[string]interface{}) (string, error) {
tmp, ok := args["path"]
if !ok {
return "", fmt.Errorf("path parameter to write_file was not included.")
}
path, ok := tmp.(string)
if !ok {
return "", fmt.Errorf("Invalid path in function arguments: %v", tmp)
}
var position int
tmp, ok = args["position"]
if ok {
tmp, ok := tmp.(float64)
if !ok {
return "", fmt.Errorf("Invalid position in function arguments: %v", tmp)
}
position = int(tmp)
}
var content string
tmp, ok = args["content"]
if ok {
content, ok = tmp.(string)
if !ok {
return "", fmt.Errorf("Invalid content in function arguments: %v", tmp)
}
}
result := fileInsertLines(path, position, content)
ret, err := result.ToJson()
if err != nil {
return "", fmt.Errorf("Could not serialize result: %v", err)
}
return ret, nil
},
}
func fileInsertLines(path string, position int, content string) api.CallResult {
ok, reason := toolutil.IsPathWithinCWD(path)
if !ok {
return api.CallResult{Message: reason}
}
// Read the existing file's content
data, err := os.ReadFile(path)
if err != nil {
if !os.IsNotExist(err) {
return api.CallResult{Message: fmt.Sprintf("Could not read path: %s", err.Error())}
}
_, err = os.Create(path)
if err != nil {
return api.CallResult{Message: fmt.Sprintf("Could not create new file: %s", err.Error())}
}
data = []byte{}
}
if position < 1 {
return api.CallResult{Message: "start_line cannot be less than 1"}
}
lines := strings.Split(string(data), "\n")
contentLines := strings.Split(strings.Trim(content, "\n"), "\n")
before := lines[:position-1]
after := lines[position-1:]
lines = append(before, append(contentLines, after...)...)
newContent := strings.Join(lines, "\n")
// Join the lines and write back to the file
err = os.WriteFile(path, []byte(newContent), 0644)
if err != nil {
return api.CallResult{Message: fmt.Sprintf("Could not write to path: %s", err.Error())}
}
return api.CallResult{Result: newContent}
}