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[GH-ISSUE #210] bug: C++ syntax highlighting is missing for common file extensions #125

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opened 2026-10-18 14:03:10 +00:00 by bsakaguchi · 2 comments

bsakaguchi commented

2026-10-18 14:03:10 +00:00

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Originally created by @satouriko on GitHub (Aug 1, 2026).
Original GitHub issue: https://github.com/open-webui/computer/issues/210

Description

The workspace editor recognizes .cpp and .hpp files as C++, but other common C++ extensions are not assigned a language. Files such as .cc, .cxx, .hh, and .hxx therefore open without C++ syntax highlighting even though the frontend already supports the cpp language identifier.

Steps to reproduce

Open a workspace containing a C++ file named with one of these extensions: .cc, .cxx, .hh, or .hxx.
Open the file in the workspace editor.
Observe that C++ syntax highlighting is not applied.

Expected behavior

These common C++ source and header extensions should use the existing C++ syntax highlighting support.

Proposed fix

Add .cc, .cxx, .hh, and .hxx to TEXT_EXTENSIONS and map them to cpp in _detect_language.

A minimal implementation based on the current main branch is available here:

github.com/satouriko/computer@1f8441c50a

It has been checked with:

ruff 0.15.16 format --check cptr/routers/workspace.py
python -m py_compile cptr/routers/workspace.py
focused checks confirming that each added extension resolves to cpp

Originally created by @satouriko on GitHub (Aug 1, 2026). Original GitHub issue: https://github.com/open-webui/computer/issues/210 ## Description The workspace editor recognizes `.cpp` and `.hpp` files as C++, but other common C++ extensions are not assigned a language. Files such as `.cc`, `.cxx`, `.hh`, and `.hxx` therefore open without C++ syntax highlighting even though the frontend already supports the `cpp` language identifier. ## Steps to reproduce 1. Open a workspace containing a C++ file named with one of these extensions: `.cc`, `.cxx`, `.hh`, or `.hxx`. 2. Open the file in the workspace editor. 3. Observe that C++ syntax highlighting is not applied. ## Expected behavior These common C++ source and header extensions should use the existing C++ syntax highlighting support. ## Proposed fix Add `.cc`, `.cxx`, `.hh`, and `.hxx` to `TEXT_EXTENSIONS` and map them to `cpp` in `_detect_language`. A minimal implementation based on the current `main` branch is available here: https://github.com/satouriko/computer/commit/1f8441c50a9aa490d87eb1f8bc177dee64e66e0e It has been checked with: - `ruff 0.15.16 format --check cptr/routers/workspace.py` - `python -m py_compile cptr/routers/workspace.py` - focused checks confirming that each added extension resolves to `cpp`

bsakaguchi closed this issue

2026-10-18 14:03:10 +00:00

bsakaguchi commented

2026-10-18 14:03:11 +00:00

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@owui-terminator[bot] commented on GitHub (Aug 1, 2026):

⚠️ Missing Issue Title Prefix

@satouriko, your issue title is missing a categorising prefix (e.g. bug:, feat:, docs:).

Please update the title to lead with one of:

bug: bug report or error
feat: feature request or enhancement
docs: documentation issue
question: usage question
help: support request

Example: bug: Login fails when the password contains special characters

@owui-terminator[bot] commented on GitHub (Aug 1, 2026): # ⚠️ Missing Issue Title Prefix @satouriko, your issue title is missing a categorising prefix (e.g. `bug:`, `feat:`, `docs:`). Please update the title to lead with one of: - **bug**: bug report or error - **feat**: feature request or enhancement - **docs**: documentation issue - **question**: usage question - **help**: support request Example: `bug: Login fails when the password contains special characters`

bsakaguchi commented

2026-10-18 14:03:11 +00:00

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@tjbck commented on GitHub (Aug 5, 2026):

Addressed!

@tjbck commented on GitHub (Aug 5, 2026): Addressed!

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open-webui/computer#125

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