Files
oh-my-openagent/src/tools/hashline-edit/tools.ts

211 lines
8.1 KiB
TypeScript

import { tool, type ToolContext, type ToolDefinition } from "@opencode-ai/plugin/tool"
import { storeToolMetadata } from "../../features/tool-metadata-store"
import type { HashlineEdit } from "./types"
import { applyHashlineEditsWithReport } from "./edit-operations"
import { computeLineHash } from "./hash-computation"
import { toHashlineContent, generateUnifiedDiff, countLineDiffs } from "./diff-utils"
import { HASHLINE_EDIT_DESCRIPTION } from "./tool-description"
interface HashlineEditArgs {
filePath: string
edits: HashlineEdit[]
delete?: boolean
rename?: string
}
type ToolContextWithCallID = ToolContext & {
callID?: string
callId?: string
call_id?: string
}
type ToolContextWithMetadata = ToolContextWithCallID & {
metadata?: (value: unknown) => void
}
function resolveToolCallID(ctx: ToolContextWithCallID): string | undefined {
if (typeof ctx.callID === "string" && ctx.callID.trim() !== "") return ctx.callID
if (typeof ctx.callId === "string" && ctx.callId.trim() !== "") return ctx.callId
if (typeof ctx.call_id === "string" && ctx.call_id.trim() !== "") return ctx.call_id
return undefined
}
function generateDiff(oldContent: string, newContent: string, filePath: string): string {
const oldLines = oldContent.split("\n")
const newLines = newContent.split("\n")
let diff = `--- ${filePath}\n+++ ${filePath}\n`
const maxLines = Math.max(oldLines.length, newLines.length)
for (let i = 0; i < maxLines; i++) {
const oldLine = oldLines[i] ?? ""
const newLine = newLines[i] ?? ""
const lineNum = i + 1
const hash = computeLineHash(lineNum, newLine)
if (i >= oldLines.length) {
diff += `+ ${lineNum}#${hash}:${newLine}\n`
} else if (i >= newLines.length) {
diff += `- ${lineNum}# :${oldLine}\n`
} else if (oldLine !== newLine) {
diff += `- ${lineNum}# :${oldLine}\n`
diff += `+ ${lineNum}#${hash}:${newLine}\n`
}
}
return diff
}
export function createHashlineEditTool(): ToolDefinition {
return tool({
description: HASHLINE_EDIT_DESCRIPTION,
args: {
filePath: tool.schema.string().describe("Absolute path to the file to edit"),
delete: tool.schema.boolean().optional().describe("Delete file instead of editing"),
rename: tool.schema.string().optional().describe("Rename output file path after edits"),
edits: tool.schema
.array(
tool.schema.union([
tool.schema.object({
type: tool.schema.literal("set_line"),
line: tool.schema.string().describe("Line reference in LINE#ID format"),
text: tool.schema
.union([tool.schema.string(), tool.schema.array(tool.schema.string())])
.describe("New content for the line (string or string[] for multiline)"),
}),
tool.schema.object({
type: tool.schema.literal("replace_lines"),
start_line: tool.schema.string().describe("Start line in LINE#ID format"),
end_line: tool.schema.string().describe("End line in LINE#ID format"),
text: tool.schema
.union([tool.schema.string(), tool.schema.array(tool.schema.string())])
.describe("New content to replace the range (string or string[] for multiline)"),
}),
tool.schema.object({
type: tool.schema.literal("insert_after"),
line: tool.schema.string().describe("Line reference in LINE#ID format"),
text: tool.schema
.union([tool.schema.string(), tool.schema.array(tool.schema.string())])
.describe("Content to insert after the line (string or string[] for multiline)"),
}),
tool.schema.object({
type: tool.schema.literal("insert_before"),
line: tool.schema.string().describe("Line reference in LINE#ID format"),
text: tool.schema
.union([tool.schema.string(), tool.schema.array(tool.schema.string())])
.describe("Content to insert before the line (string or string[] for multiline)"),
}),
tool.schema.object({
type: tool.schema.literal("insert_between"),
after_line: tool.schema.string().describe("After line in LINE#ID format"),
before_line: tool.schema.string().describe("Before line in LINE#ID format"),
text: tool.schema
.union([tool.schema.string(), tool.schema.array(tool.schema.string())])
.describe("Content to insert between anchor lines (string or string[] for multiline)"),
}),
tool.schema.object({
type: tool.schema.literal("replace"),
old_text: tool.schema.string().describe("Text to find"),
new_text: tool.schema
.union([tool.schema.string(), tool.schema.array(tool.schema.string())])
.describe("Replacement text (string or string[] for multiline)"),
}),
])
)
.describe("Array of edit operations to apply (empty when delete=true)"),
},
execute: async (args: HashlineEditArgs, context: ToolContext) => {
try {
const metadataContext = context as ToolContextWithMetadata
const filePath = args.filePath
const { edits, delete: deleteMode, rename } = args
if (deleteMode && rename) {
return "Error: delete and rename cannot be used together"
}
if (!deleteMode && (!edits || !Array.isArray(edits) || edits.length === 0)) {
return "Error: edits parameter must be a non-empty array"
}
if (deleteMode && edits.length > 0) {
return "Error: delete mode requires edits to be an empty array"
}
const file = Bun.file(filePath)
const exists = await file.exists()
if (!exists) {
return `Error: File not found: ${filePath}`
}
if (deleteMode) {
await Bun.file(filePath).delete()
return `Successfully deleted ${filePath}`
}
const oldContent = await file.text()
const applyResult = applyHashlineEditsWithReport(oldContent, edits)
const newContent = applyResult.content
await Bun.write(filePath, newContent)
if (rename && rename !== filePath) {
await Bun.write(rename, newContent)
await Bun.file(filePath).delete()
}
const effectivePath = rename && rename !== filePath ? rename : filePath
const diff = generateDiff(oldContent, newContent, effectivePath)
const newHashlined = toHashlineContent(newContent)
const unifiedDiff = generateUnifiedDiff(oldContent, newContent, effectivePath)
const { additions, deletions } = countLineDiffs(oldContent, newContent)
const meta = {
title: effectivePath,
metadata: {
filePath: effectivePath,
path: effectivePath,
file: effectivePath,
diff: unifiedDiff,
noopEdits: applyResult.noopEdits,
deduplicatedEdits: applyResult.deduplicatedEdits,
filediff: {
file: effectivePath,
path: effectivePath,
filePath: effectivePath,
before: oldContent,
after: newContent,
additions,
deletions,
},
},
}
if (typeof metadataContext.metadata === "function") {
metadataContext.metadata(meta)
}
const callID = resolveToolCallID(metadataContext)
if (callID) {
storeToolMetadata(context.sessionID, callID, meta)
}
return `Successfully applied ${edits.length} edit(s) to ${effectivePath}
No-op edits: ${applyResult.noopEdits}, deduplicated edits: ${applyResult.deduplicatedEdits}
${diff}
Updated file (LINE#ID:content):
${newHashlined}`
} catch (error) {
const message = error instanceof Error ? error.message : String(error)
if (message.toLowerCase().includes("hash")) {
return `Error: hash mismatch - ${message}\nTip: reuse LINE#ID entries from the latest read/edit output, or batch related edits in one call.`
}
return `Error: ${message}`
}
},
})
}