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[rbdr/dotfiles] / vim / autoload / Pl / Hi.vim

" cterm -> gui color dict {{{
let s:cterm2gui_dict = {
	\ 16:  0x000000, 17:  0x00005f, 18:  0x000087, 19:  0x0000af, 20:  0x0000d7, 21:  0x0000ff,
	\ 22:  0x005f00, 23:  0x005f5f, 24:  0x005f87, 25:  0x005faf, 26:  0x005fd7, 27:  0x005fff,
	\ 28:  0x008700, 29:  0x00875f, 30:  0x008787, 31:  0x0087af, 32:  0x0087d7, 33:  0x0087ff,
	\ 34:  0x00af00, 35:  0x00af5f, 36:  0x00af87, 37:  0x00afaf, 38:  0x00afd7, 39:  0x00afff,
	\ 40:  0x00d700, 41:  0x00d75f, 42:  0x00d787, 43:  0x00d7af, 44:  0x00d7d7, 45:  0x00d7ff,
	\ 46:  0x00ff00, 47:  0x00ff5f, 48:  0x00ff87, 49:  0x00ffaf, 50:  0x00ffd7, 51:  0x00ffff,
	\ 52:  0x5f0000, 53:  0x5f005f, 54:  0x5f0087, 55:  0x5f00af, 56:  0x5f00d7, 57:  0x5f00ff,
	\ 58:  0x5f5f00, 59:  0x5f5f5f, 60:  0x5f5f87, 61:  0x5f5faf, 62:  0x5f5fd7, 63:  0x5f5fff,
	\ 64:  0x5f8700, 65:  0x5f875f, 66:  0x5f8787, 67:  0x5f87af, 68:  0x5f87d7, 69:  0x5f87ff,
	\ 70:  0x5faf00, 71:  0x5faf5f, 72:  0x5faf87, 73:  0x5fafaf, 74:  0x5fafd7, 75:  0x5fafff,
	\ 76:  0x5fd700, 77:  0x5fd75f, 78:  0x5fd787, 79:  0x5fd7af, 80:  0x5fd7d7, 81:  0x5fd7ff,
	\ 82:  0x5fff00, 83:  0x5fff5f, 84:  0x5fff87, 85:  0x5fffaf, 86:  0x5fffd7, 87:  0x5fffff,
	\ 88:  0x870000, 89:  0x87005f, 90:  0x870087, 91:  0x8700af, 92:  0x8700d7, 93:  0x8700ff,
	\ 94:  0x875f00, 95:  0x875f5f, 96:  0x875f87, 97:  0x875faf, 98:  0x875fd7, 99:  0x875fff,
	\ 100: 0x878700, 101: 0x87875f, 102: 0x878787, 103: 0x8787af, 104: 0x8787d7, 105: 0x8787ff,
	\ 106: 0x87af00, 107: 0x87af5f, 108: 0x87af87, 109: 0x87afaf, 110: 0x87afd7, 111: 0x87afff,
	\ 112: 0x87d700, 113: 0x87d75f, 114: 0x87d787, 115: 0x87d7af, 116: 0x87d7d7, 117: 0x87d7ff,
	\ 118: 0x87ff00, 119: 0x87ff5f, 120: 0x87ff87, 121: 0x87ffaf, 122: 0x87ffd7, 123: 0x87ffff,
	\ 124: 0xaf0000, 125: 0xaf005f, 126: 0xaf0087, 127: 0xaf00af, 128: 0xaf00d7, 129: 0xaf00ff,
	\ 130: 0xaf5f00, 131: 0xaf5f5f, 132: 0xaf5f87, 133: 0xaf5faf, 134: 0xaf5fd7, 135: 0xaf5fff,
	\ 136: 0xaf8700, 137: 0xaf875f, 138: 0xaf8787, 139: 0xaf87af, 140: 0xaf87d7, 141: 0xaf87ff,
	\ 142: 0xafaf00, 143: 0xafaf5f, 144: 0xafaf87, 145: 0xafafaf, 146: 0xafafd7, 147: 0xafafff,
	\ 148: 0xafd700, 149: 0xafd75f, 150: 0xafd787, 151: 0xafd7af, 152: 0xafd7d7, 153: 0xafd7ff,
	\ 154: 0xafff00, 155: 0xafff5f, 156: 0xafff87, 157: 0xafffaf, 158: 0xafffd7, 159: 0xafffff,
	\ 160: 0xd70000, 161: 0xd7005f, 162: 0xd70087, 163: 0xd700af, 164: 0xd700d7, 165: 0xd700ff,
	\ 166: 0xd75f00, 167: 0xd75f5f, 168: 0xd75f87, 169: 0xd75faf, 170: 0xd75fd7, 171: 0xd75fff,
	\ 172: 0xd78700, 173: 0xd7875f, 174: 0xd78787, 175: 0xd787af, 176: 0xd787d7, 177: 0xd787ff,
	\ 178: 0xd7af00, 179: 0xd7af5f, 180: 0xd7af87, 181: 0xd7afaf, 182: 0xd7afd7, 183: 0xd7afff,
	\ 184: 0xd7d700, 185: 0xd7d75f, 186: 0xd7d787, 187: 0xd7d7af, 188: 0xd7d7d7, 189: 0xd7d7ff,
	\ 190: 0xd7ff00, 191: 0xd7ff5f, 192: 0xd7ff87, 193: 0xd7ffaf, 194: 0xd7ffd7, 195: 0xd7ffff,
	\ 196: 0xff0000, 197: 0xff005f, 198: 0xff0087, 199: 0xff00af, 200: 0xff00d7, 201: 0xff00ff,
	\ 202: 0xff5f00, 203: 0xff5f5f, 204: 0xff5f87, 205: 0xff5faf, 206: 0xff5fd7, 207: 0xff5fff,
	\ 208: 0xff8700, 209: 0xff875f, 210: 0xff8787, 211: 0xff87af, 212: 0xff87d7, 213: 0xff87ff,
	\ 214: 0xffaf00, 215: 0xffaf5f, 216: 0xffaf87, 217: 0xffafaf, 218: 0xffafd7, 219: 0xffafff,
	\ 220: 0xffd700, 221: 0xffd75f, 222: 0xffd787, 223: 0xffd7af, 224: 0xffd7d7, 225: 0xffd7ff,
	\ 226: 0xffff00, 227: 0xffff5f, 228: 0xffff87, 229: 0xffffaf, 230: 0xffffd7, 231: 0xffffff,
	\ 232: 0x080808, 233: 0x121212, 234: 0x1c1c1c, 235: 0x262626, 236: 0x303030, 237: 0x3a3a3a,
	\ 238: 0x444444, 239: 0x4e4e4e, 240: 0x585858, 241: 0x626262, 242: 0x6c6c6c, 243: 0x767676,
	\ 244: 0x808080, 245: 0x8a8a8a, 246: 0x949494, 247: 0x9e9e9e, 248: 0xa8a8a8, 249: 0xb2b2b2,
	\ 250: 0xbcbcbc, 251: 0xc6c6c6, 252: 0xd0d0d0, 253: 0xdadada, 254: 0xe4e4e4, 255: 0xeeeeee
\ }
" }}}
" Allocated color dict {{{
let s:allocated_colors = {
	\ 'NONE': 'NONE',
	\ }
" }}}
function! s:Cterm2GUI(cterm) " {{{
	if toupper(a:cterm) == 'NONE'
		return 'NONE'
	endif

	if ! has_key(s:cterm2gui_dict, a:cterm)
		return 0xff0000
	endif

	return s:cterm2gui_dict[a:cterm]
endfunction " }}}
function! Pl#Hi#Segments(segments, mode_colors) " {{{
	let mode_translate = {
		\ 'normal':     'n',
		\ 'noncurrent': 'N',
		\ 'insert':     'i',
		\ 'visual':     'v',
		\ 'replace':    'r',
		\ 'select':     's',
		\ }

	let attributes = ['bold', 'italic', 'underline']

	let segments = a:segments
	let mode_hi_dict = {}

	" Mode dict
	for [mode, colors] in items(a:mode_colors)
		if has_key(mode_translate, mode)
			let mode = mode_translate[mode]
		endif

		unlet! fg
		let fg = s:allocated_colors[colors[0]]

		let hi = {
			\ 'cterm': [fg['cterm'], ''],
			\ 'gui'  : [fg['gui'], ''],
			\ 'attr' : []
			\ }

		if exists('colors[1]')
			if type(colors[1]) == type([])
				" We don't have a BG color, but we have attributes
				let hi.attr = colors[1]
			else
				" The second parameter is the background color
				unlet! bg
				let bg = s:allocated_colors[colors[1]]

				let hi.cterm[1] = bg['cterm']
				let hi.gui[1] = bg['gui']
			endif
		endif

		if exists('colors[2]') && type(colors[2]) == type([])
			" The third parameter is always an attribute list
			let hi.attr = colors[2]
		endif

		let mode_hi_dict[mode] = {
			\ 'ctermfg': (empty(hi['cterm'][0]) ? '' : (string(hi['cterm'][0]) == 'NONE' ? 'NONE' : hi['cterm'][0])),
			\ 'ctermbg': (empty(hi['cterm'][1]) ? '' : (string(hi['cterm'][1]) == 'NONE' ? 'NONE' : hi['cterm'][1])),
			\ 'guifg'  : (empty(hi['gui'][0]) ? '' : (string(hi['gui'][0]) == 'NONE' ? 'NONE' : hi['gui'][0])),
			\ 'guibg'  : (empty(hi['gui'][1]) ? '' : (string(hi['gui'][1]) == 'NONE' ? 'NONE' : hi['gui'][1])),
			\ 'attr'   : (! len(hi['attr']) ? 'NONE' : join(hi['attr'], ','))
			\ }
	endfor

	return [segments, mode_hi_dict]
endfunction " }}}
function! Pl#Hi#Allocate(colors) " {{{
	for [key, color] in items(a:colors)
		if type(color) == type(0)
			" Only terminal color
			let cterm = color
			let gui = s:Cterm2GUI(color)
		elseif type(color) == type([]) && len(color) == 2
			" Terminal and GUI colors
			let cterm = color[0]
			let gui = color[1]
		endif

		let s:allocated_colors[key] = {
			\ 'cterm': cterm,
			\ 'gui': gui,
			\ }

		unlet! color
	endfor
endfunction " }}}