diff options
| author | ruki <[email protected]> | 2021-01-28 00:48:18 +0800 |
|---|---|---|
| committer | ruki <[email protected]> | 2021-01-28 00:48:18 +0800 |
| commit | c5615fbc82554d5e85dbc02da493bb59df2cd492 (patch) | |
| tree | 2287eb98f6c355735c220143ae5657874f6d5db8 /xmake/core/base/tty.lua | |
| parent | d98169322f86c2a95d6b4e62a56918414fa1349d (diff) | |
add tty.has_color256
Diffstat (limited to 'xmake/core/base/tty.lua')
| -rw-r--r-- | xmake/core/base/tty.lua | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua index 2698a907e..1ccaedae1 100644 --- a/xmake/core/base/tty.lua +++ b/xmake/core/base/tty.lua @@ -263,5 +263,48 @@ function tty.has_color8() return has_color8 end +-- has 256 colors? +function tty.has_color256() + + local has_color256 = tty._HAS_COLOR256 + if has_color256 == nil then + + -- detect it from $COLORTERM + if has_color256 == nil then + local colorterm = tty._colorterm() + if colorterm == "nocolor" then + has_color256 = false + elseif colorterm == "color256" or colorterm == "truecolor" then + has_color256 = true + end + end + + -- detect it from $TERM + local term = tty.term() + local term_env = os.getenv("TERM") + if has_color256 == nil then + if term == "vstudio" then + has_color256 = false + elseif term_env and term_env:find("256color", 1, true) then + has_color256 = true + end + end + + -- detect it from system + if has_color256 == nil then + if os.host() == "windows" then + has_color256 = false + elseif os.host() == "linux" or os.host("macosx") then + -- alway enabled for linux/macOS, $TERM maybe xterm, not xterm-256color, but it is supported + has_color256 = true + else + has_color256 = false + end + end + tty._HAS_COLOR256 = has_color256 or false + end + return has_color256 +end + -- return module return tty |