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Refactor read-file and support images. (#480)

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Jacob Richman
2025-05-29 22:30:18 +00:00
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parent f21abdd1f0
commit dab7517622
13 changed files with 1475 additions and 260 deletions
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docs/tools/file-system.md
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@@ -25,17 +25,20 @@ All file system tools operate within a `rootDirectory` (usually the current work
- **Tool Name:** `read_file`
- **Display Name:** ReadFile
- **File:** `read-file.ts`
- **Description:** Reads and returns the content of a specified file. It can handle large files by allowing reading of specific line ranges and will attempt to detect and skip binary files.
- **Description:** Reads and returns the content of a specified file. Handles text, images (PNG, JPG, GIF, WEBP, SVG, BMP), and PDF files. For text files, it can read specific line ranges. Other binary file types are generally skipped.
- **Parameters:**
- `path` (string, required): The absolute path to the file to read.
- `offset` (number, optional): The 0-based line number to start reading from. Requires `limit` to be set.
- `limit` (number, optional): The maximum number of lines to read. If omitted, reads a default maximum (e.g., 2000 lines).
- `offset` (number, optional): For text files, the 0-based line number to start reading from. Requires `limit` to be set.
- `limit` (number, optional): For text files, the maximum number of lines to read. If omitted, reads a default maximum (e.g., 2000 lines) or the entire file if feasible.
- **Behavior:**
- Returns the content of the specified text file.
- If `offset` and `limit` are used, returns only that slice of lines.
- Indicates if the content was truncated due to line limits or line length limits.
- Attempts to identify binary files (images, executables) and returns a message indicating it's a binary file instead of its content.
- **Output (`llmContent`):** The file content, potentially prefixed with a truncation message (e.g., `[File truncated: showing lines 1-100 of 500 total lines...]\nActual file content...`). For binary files: `Binary file: /path/to/image.png (image)`.
- For text files: Returns the content. If `offset` and `limit` are used, returns only that slice of lines. Indicates if content was truncated due to line limits or line length limits.
- For image and PDF files: Returns the file content as a base64 encoded data structure suitable for model consumption.
- For other binary files: Attempts to identify and skip them, returning a message indicating it's a generic binary file.
- **Output:** (`llmContent`):
- For text files: The file content, potentially prefixed with a truncation message (e.g., `[File content truncated: showing lines 1-100 of 500 total lines...]\nActual file content...`).
- For image/PDF files: An object containing `inlineData` with `mimeType` and base64 `data` (e.g., `{ inlineData: { mimeType: 'image/png', data: 'base64encodedstring' } }`).
- For other binary files: A message like `Cannot display content of binary file: /path/to/data.bin`.
- **Confirmation:** No.
- **Confirmation:** No.
## 3. `write_file` (WriteFile)