Function extractLargeToolBlocksBuffer

src/parser.ts:659–704

(source: Buffer, contentBounds: BufferJsonValueBounds | null)

}

function extractLargeToolBlocksBuffer(source: Buffer, contentBounds: BufferJsonValueBounds | null): ToolUseBlock[] {
  if (!contentBounds || contentBounds.kind !== 'array') return []
  const tools: ToolUseBlock[] = []
  let i = contentBounds.start + 1
  while (i < contentBounds.end - 1 && tools.length < MAX_TOOL_BLOCKS) {
    while (i < contentBounds.end && isJsonWhitespaceByte(source[i])) i++
    if (source[i] === 0x2c) {
      i++
      continue
    }
    if (source[i] !== 0x7b) {
      i++
      continue
    }
    const objectEnd = findJsonContainerEndBuffer(source, i, 0x7b, 0x7d, contentBounds.end)
    if (objectEnd === -1) break
    const objectBounds = { start: i, end: objectEnd + 1, kind: 'object' as const }
    const blockType = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, objectBounds.start, objectBounds.end, 'type'))
    if (blockType === 'tool_use') {
      const name = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, objectBounds.start, objectBounds.end, 'name')) ?? ''
      const id = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, objectBounds.start, objectBounds.end, 'id')) ?? ''
      const inputBounds = findObjectFieldValueBuffer(source, objectBounds.start, objectBounds.end, 'input')
      const input: Record<string, unknown> = {}
      if (inputBounds?.kind === 'object') {
        if (name === 'Skill') {
          const skill = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, inputBounds.start, inputBounds.end, 'skill'), 200)
          const skillName = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, inputBounds.start, inputBounds.end, 'name'), 200)
          if (skill !== undefined) input['skill'] = skill
          if (skillName !== undefined) input['name'] = skillName
        } else if (name === 'Read' || name === 'FileReadTool' || EDIT_TOOLS.has(name)) {
          const filePath = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, inputBounds.start, inputBounds.end, 'file_path'), BASH_COMMAND_CAP)
          if (filePath !== undefined) input['file_path'] = filePath
        } else if (name === 'Agent' || name === 'Task') {
          const subagentType = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, inputBounds.start, inputBounds.end, 'subagent_type'), 200)
          if (subagentType !== undefined) input['subagent_type'] = subagentType
        } else if (BASH_TOOLS.has(name)) {
          const command = readJsonStringBuffer(source, findObjectFieldValueBuffer(source, inputBounds.start, inputBounds.end, 'command'), BASH_COMMAND_CAP)
          if (command !== undefined) input['command'] = command
        }
      }
      tools.push({ type: 'tool_use', id, name, input })
    }
    i = objectEnd + 1
  }
  return tools
}

function extractLargeUserTextBuffer(source: Buffer, contentBounds: BufferJsonValueBounds | null): string | undefined {
  if (!contentBounds) return undefined