Files
cline/cli/pkg/cli/display/tool_renderer.go
T

465 lines
12 KiB
Go

package display
import (
"encoding/json"
"fmt"
"strings"
"github.com/cline/cli/pkg/cli/types"
)
// ToolRenderer provides unified rendering for tool and command messages
type ToolRenderer struct {
mdRenderer *MarkdownRenderer
outputFormat string
}
// NewToolRenderer creates a new tool renderer
func NewToolRenderer(mdRenderer *MarkdownRenderer, outputFormat string) *ToolRenderer {
return &ToolRenderer{
mdRenderer: mdRenderer,
outputFormat: outputFormat,
}
}
// RenderToolApprovalRequest renders a tool approval request ("Cline wants to...")
func (tr *ToolRenderer) RenderToolApprovalRequest(tool *types.ToolMessage) string {
var output strings.Builder
// Generate header
header := tr.generateToolHeader(tool, "wants to")
rendered := tr.renderMarkdown(header)
output.WriteString(rendered)
output.WriteString("\n")
// Add content preview for relevant tools
contentPreview := tr.GenerateToolContentPreview(tool)
if contentPreview != "" {
output.WriteString("\n")
output.WriteString(contentPreview)
}
return output.String()
}
// RenderToolExecution renders a completed tool execution ("Cline is ...ing")
func (tr *ToolRenderer) RenderToolExecution(tool *types.ToolMessage) string {
var output strings.Builder
// Generate header
header := tr.generateToolHeader(tool, "is")
rendered := tr.renderMarkdown(header)
output.WriteString("\n")
output.WriteString(rendered)
output.WriteString("\n")
// Add content body for relevant tools
contentBody := tr.GenerateToolContentBody(tool)
if contentBody != "" {
output.WriteString("\n")
output.WriteString(contentBody)
output.WriteString("\n")
}
return output.String()
}
// RenderToolExecutionHeader renders just the header for streaming (no body)
func (tr *ToolRenderer) RenderToolExecutionHeader(tool *types.ToolMessage) string {
header := tr.generateToolHeader(tool, "is")
return header
}
// RenderToolApprovalHeader renders just the header for approval requests (no body)
func (tr *ToolRenderer) RenderToolApprovalHeader(tool *types.ToolMessage) string {
header := tr.generateToolHeader(tool, "wants to")
return header
}
// generateToolHeader generates the markdown header for a tool message
func (tr *ToolRenderer) generateToolHeader(tool *types.ToolMessage, verbTense string) string {
var verb string
var action string
switch tool.Tool {
case string(types.ToolTypeEditedExistingFile):
if verbTense == "wants to" {
action = "wants to edit"
} else {
action = "is editing"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeNewFileCreated):
if verbTense == "wants to" {
action = "wants to write"
} else {
action = "is writing"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeReadFile):
if verbTense == "wants to" {
action = "wants to read"
} else {
action = "is reading"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeFileDeleted):
if verbTense == "wants to" {
action = "wants to delete"
} else {
action = "is deleting"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeListFilesTopLevel):
if verbTense == "wants to" {
action = "wants to list files in"
} else {
action = "is listing files in"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeListFilesRecursive):
if verbTense == "wants to" {
action = "wants to recursively list files in"
} else {
action = "is recursively listing files in"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeSearchFiles):
if tool.Regex != "" && tool.Path != "" {
if verbTense == "wants to" {
action = "wants to search for"
} else {
action = "is searching for"
}
return fmt.Sprintf("### Cline %s `%s` in `%s`", action, tool.Regex, tool.Path)
} else if tool.Regex != "" {
if verbTense == "wants to" {
action = "wants to search for"
} else {
action = "is searching for"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Regex)
} else {
if verbTense == "wants to" {
return "### Cline wants to search files"
} else {
return "### Cline is searching files"
}
}
case string(types.ToolTypeWebFetch):
if verbTense == "wants to" {
action = "wants to fetch"
} else {
action = "is fetching"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeWebSearch):
if verbTense == "wants to" {
action = "wants to search for"
} else {
action = "is searching for"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeListCodeDefinitionNames):
if verbTense == "wants to" {
action = "wants to list code definitions in"
} else {
action = "is listing code definitions in"
}
return fmt.Sprintf("### Cline %s `%s`", action, tool.Path)
case string(types.ToolTypeSummarizeTask):
if verbTense == "wants to" {
return "### Cline wants to condense the conversation"
} else {
return "### Cline condensed the conversation"
}
default:
if verbTense == "wants to" {
verb = "wants to use"
} else {
verb = "is using"
}
return fmt.Sprintf("### Cline %s tool: %s", verb, tool.Tool)
}
}
// GenerateToolContentPreview generates content preview for approval requests
func (tr *ToolRenderer) GenerateToolContentPreview(tool *types.ToolMessage) string {
if tool.Content == "" {
return ""
}
switch tool.Tool {
case string(types.ToolTypeEditedExistingFile):
// Show diff for edits
diffMarkdown := fmt.Sprintf("```diff\n%s\n```", tool.Content)
return tr.renderMarkdown(diffMarkdown)
case string(types.ToolTypeNewFileCreated):
// Show content preview for new files (truncated)
preview := strings.TrimSpace(tool.Content)
if len(preview) > 500 {
preview = preview[:500] + "..."
}
previewMd := fmt.Sprintf("```\n%s\n```", preview)
return tr.renderMarkdown(previewMd)
case string(types.ToolTypeReadFile), string(types.ToolTypeWebFetch), string(types.ToolTypeWebSearch), string(types.ToolTypeFileDeleted):
// No preview for read/fetch/search operations
return ""
default:
// For other tools, show truncated content if available
preview := strings.TrimSpace(tool.Content)
if len(preview) > 200 {
preview = preview[:200] + "..."
}
if preview != "" {
return fmt.Sprintf("Preview: %s", preview)
}
return ""
}
}
// GenerateToolContentBody generates full content for completed executions
func (tr *ToolRenderer) GenerateToolContentBody(tool *types.ToolMessage) string {
if tool.Content == "" {
return ""
}
// Use enhanced tool result parser for supported tools
toolParser := NewToolResultParser(tr.mdRenderer)
switch tool.Tool {
case string(types.ToolTypeReadFile),
string(types.ToolTypeFileDeleted):
// readFile: show header only, no body
return ""
case string(types.ToolTypeListFilesTopLevel),
string(types.ToolTypeListFilesRecursive),
string(types.ToolTypeListCodeDefinitionNames),
string(types.ToolTypeSearchFiles),
string(types.ToolTypeWebFetch),
string(types.ToolTypeWebSearch):
// Use parser for structured output
preview := toolParser.ParseToolResult(tool)
return tr.renderMarkdown(preview)
case string(types.ToolTypeEditedExistingFile):
// Show the diff
diffMarkdown := fmt.Sprintf("```diff\n%s\n```", tool.Content)
return tr.renderMarkdown(diffMarkdown)
case string(types.ToolTypeNewFileCreated):
// Show file content preview
preview := strings.TrimSpace(tool.Content)
if len(preview) > 1000 {
preview = preview[:1000] + "..."
}
contentMd := fmt.Sprintf("```\n%s\n```", preview)
return tr.renderMarkdown(contentMd)
default:
// For unknown tools, show content as-is
if len(tool.Content) > 500 {
return tool.Content[:500] + "..."
}
return tool.Content
}
}
// RenderCommandApprovalRequest renders a command approval request
func (tr *ToolRenderer) RenderCommandApprovalRequest(command string, autoApprovalConflict bool) string {
var output strings.Builder
// Clean command
command = strings.TrimSpace(command)
if strings.HasSuffix(command, "REQ_APP") {
command = strings.TrimSuffix(command, "REQ_APP")
command = strings.TrimSpace(command)
autoApprovalConflict = true
}
// Generate header
header := fmt.Sprintf("### Cline wants to run `%s`", command)
rendered := tr.renderMarkdown(header)
output.WriteString(rendered)
output.WriteString("\n")
// Show command in code block
cmdBlock := fmt.Sprintf("```shell\n%s\n```", command)
cmdRendered := tr.renderMarkdown(cmdBlock)
output.WriteString("\n")
output.WriteString(cmdRendered)
// Add warning if needed
if autoApprovalConflict {
output.WriteString("\nWARNING: The model has determined this command requires explicit approval.\n")
}
return output.String()
}
// RenderCommandExecution renders a command execution announcement
func (tr *ToolRenderer) RenderCommandExecution(command string) string {
command = strings.TrimSpace(command)
header := fmt.Sprintf("### Cline is running `%s`", command)
rendered := tr.renderMarkdown(header)
return "\n" + rendered + "\n"
}
// RenderCommandOutput renders command output
func (tr *ToolRenderer) RenderCommandOutput(output string) string {
var result strings.Builder
header := "### Terminal output"
rendered := tr.renderMarkdown(header)
result.WriteString("\n")
result.WriteString(rendered)
result.WriteString("\n\n")
// Show output in code block
outputBlock := fmt.Sprintf("```\n%s\n```", strings.TrimSpace(output))
outputRendered := tr.renderMarkdown(outputBlock)
result.WriteString(outputRendered)
result.WriteString("\n")
return result.String()
}
// RenderUserResponse renders user approval/rejection feedback
func (tr *ToolRenderer) RenderUserResponse(approved bool, feedback string) string {
var symbol, status string
if approved {
symbol = "✓"
status = "Approved"
} else {
symbol = "✗"
status = "Rejected"
}
if feedback != "" {
return fmt.Sprintf("%s %s with feedback: %s\n", symbol, status, feedback)
}
return fmt.Sprintf("%s %s\n", symbol, status)
}
// renderMarkdown renders markdown if not in plain mode and in a TTY
func (tr *ToolRenderer) renderMarkdown(markdown string) string {
// Skip markdown rendering if plain mode or not in TTY
if tr.outputFormat == "plain" || !isTTY() {
return markdown
}
if tr.mdRenderer == nil {
return markdown
}
rendered, err := tr.mdRenderer.Render(markdown)
if err != nil {
return markdown
}
return rendered
}
// GenerateAskFollowupHeader generates the header for followup questions
func (tr *ToolRenderer) GenerateAskFollowupHeader() string {
return "### Cline has a question\n"
}
// GenerateAskFollowupBody generates the body content for followup questions
func (tr *ToolRenderer) GenerateAskFollowupBody(messageText string) string {
var question string
var options []string
// Try to parse as JSON
var askData types.AskData
if err := json.Unmarshal([]byte(messageText), &askData); err == nil {
question = askData.Question
options = askData.Options
} else {
question = messageText
}
if question == "" {
return ""
}
// Build the body
var body strings.Builder
// Render the question
rendered := tr.renderMarkdown(question)
body.WriteString(rendered)
// Add options if available
if len(options) > 0 {
body.WriteString("\n\nOptions:\n")
for i, option := range options {
body.WriteString(fmt.Sprintf("%d. %s\n", i+1, option))
}
}
return body.String()
}
// GeneratePlanModeRespondHeader generates the header for plan mode responses
func (tr *ToolRenderer) GeneratePlanModeRespondHeader() string {
return "### Cline has a plan\n"
}
// GeneratePlanModeRespondBody generates the body content for plan mode responses
func (tr *ToolRenderer) GeneratePlanModeRespondBody(messageText string) string {
var response string
var options []string
// Try to parse as JSON
type PlanModeResponse struct {
Response string `json:"response"`
Options []string `json:"options,omitempty"`
}
var planData PlanModeResponse
if err := json.Unmarshal([]byte(messageText), &planData); err == nil {
response = planData.Response
options = planData.Options
} else {
response = messageText
}
if response == "" {
return ""
}
// Build the body
var body strings.Builder
// Render the response
rendered := tr.renderMarkdown(response)
body.WriteString(rendered)
// Add options if available
if len(options) > 0 {
body.WriteString("\n\nOptions:\n")
for i, option := range options {
body.WriteString(fmt.Sprintf("%d. %s\n", i+1, option))
}
}
return body.String()
}