nvim/norcalli.nvim-colorizer.lua
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Allow per file configuration of lowercase.

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This commit is contained in:
Ashkan Kiani 2019-10-19 12:08:52 -07:00
parent 34c8ce7980
commit 60a456a48b
1 changed files with 41 additions and 31 deletions
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72
lua/colorizer.lua
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@ -17,7 +17,7 @@ local COLOR_MAP
local COLOR_TRIE
local COLOR_NAME_MINLEN, COLOR_NAME_MAXLEN
local COLOR_NAME_SETTINGS = {
lowercase = false;
lowercase = true;
strip_digits = true;
}
@ -55,14 +55,15 @@ local function merge(...)
end
local DEFAULT_OPTIONS = {
RGB = true; -- #RGB hex codes
RRGGBB = true; -- #RRGGBB hex codes
names = true; -- "Name" codes like Blue
RRGGBBAA = false; -- #RRGGBBAA hex codes
rgb_fn = false; -- CSS rgb() and rgba() functions
hsl_fn = false; -- CSS hsl() and hsla() functions
css = false; -- Enable all CSS features: rgb_fn, hsl_fn, names, RGB, RRGGBB
css_fn = false; -- Enable all CSS *functions*: rgb_fn, hsl_fn
RGB = true; -- #RGB hex codes
RRGGBB = true; -- #RRGGBB hex codes
names = true; -- "Name" codes like Blue
RRGGBBAA = false; -- #RRGGBBAA hex codes
rgb_fn = false; -- CSS rgb() and rgba() functions
hsl_fn = false; -- CSS hsl() and hsla() functions
css = false; -- Enable all CSS features: rgb_fn, hsl_fn, names, RGB, RRGGBB
css_fn = false; -- Enable all CSS *functions*: rgb_fn, hsl_fn
lowercase = false; -- Enable lowercase "Name" codes
-- Available modes: foreground, background
mode = 'background'; -- Set the display mode.
}
@ -109,12 +110,12 @@ end
local function byte_is_hex(byte)
return band(BYTE_CATEGORY[byte], CATEGORY_HEX) ~= 0
end
local function byte_is_alphanumeric(byte)
local category = BYTE_CATEGORY[byte]
return band(category, CATEGORY_ALPHANUM) ~= 0
local function byte_is_alpha(byte)
return band(BYTE_CATEGORY[byte], CATEGORY_ALPHA) ~= 0
end
local function byte_is_alphanumeric(byte)
return band(BYTE_CATEGORY[byte], CATEGORY_ALPHANUM) ~= 0
end
local function parse_hex(b)
return rshift(BYTE_CATEGORY[b], 4)
end
@ -167,16 +168,21 @@ local function hsl_to_rgb(h, s, l)
return 255*hue_to_rgb(p, q, h + 1/3), 255*hue_to_rgb(p, q, h), 255*hue_to_rgb(p, q, h - 1/3)
end
local function color_name_parser(line, i)
local function color_name_parser(line, i, allow_lowercase)
-- Disallow prefixing with an alphanumeric character
if i > 1 and byte_is_alphanumeric(line:byte(i-1)) then
return
end
if #line < i + COLOR_NAME_MINLEN - 1 then return end
if not allow_lowercase then
local b = line:byte(i)
-- This means it's lowercase.
if byte_is_alpha(b) and b >= 0x61 then return end
end
local prefix = COLOR_TRIE:longest_prefix(line, i)
if prefix then
-- Check if there is a letter here so as to disallow matching here.
-- Disallow trailing alphanumeric characters.
-- Take the Blue out of Blueberry
-- Line end or non-letter.
local next_byte_index = i + #prefix
if #line >= next_byte_index and byte_is_alphanumeric(line:byte(next_byte_index)) then
return
@ -373,20 +379,22 @@ end
local MATCHER_CACHE = {}
local function make_matcher(options)
local enable_names = options.css or options.names
local enable_RGB = options.css or options.RGB
local enable_RRGGBB = options.css or options.RRGGBB
local enable_RRGGBBAA = options.css or options.RRGGBBAA
local enable_rgb = options.css or options.css_fns or options.rgb_fn
local enable_hsl = options.css or options.css_fns or options.hsl_fn
local enable_names = options.css or options.names
local enable_RGB = options.css or options.RGB
local enable_RRGGBB = options.css or options.RRGGBB
local enable_RRGGBBAA = options.css or options.RRGGBBAA
local enable_rgb = options.css or options.css_fns or options.rgb_fn
local enable_hsl = options.css or options.css_fns or options.hsl_fn
local enable_lowercase = options.css or options.lowercase
local matcher_key = bor(
lshift(enable_names and 1 or 0, 0),
lshift(enable_RGB and 1 or 0, 1),
lshift(enable_RRGGBB and 1 or 0, 2),
lshift(enable_RRGGBBAA and 1 or 0, 3),
lshift(enable_rgb and 1 or 0, 4),
lshift(enable_hsl and 1 or 0, 5))
lshift(enable_names and 1 or 0, 0),
lshift(enable_RGB and 1 or 0, 1),
lshift(enable_RRGGBB and 1 or 0, 2),
lshift(enable_RRGGBBAA and 1 or 0, 3),
lshift(enable_rgb and 1 or 0, 4),
lshift(enable_hsl and 1 or 0, 5),
lshift(enable_lowercase and 1 or 0, 6))
if matcher_key == 0 then return end
@ -397,7 +405,9 @@ local function make_matcher(options)
local loop_matchers = {}
if enable_names then
table.insert(loop_matchers, color_name_parser)
table.insert(loop_matchers, function(line, i)
return color_name_parser(line, i, enable_lowercase)
end)
end
do
local valid_lengths = {[3] = enable_RGB, [6] = enable_RRGGBB, [8] = enable_RRGGBBAA}
@ -566,7 +576,7 @@ local function setup(filetypes, user_default_options, global_configuration)
default_options = merge(DEFAULT_OPTIONS, user_default_options or {});
}
global_configuration = global_configuration or {
lowercase = false;
lowercase = true;
on_enter = false;
}
if type(global_configuration.lowercase) == 'boolean' then