.config/vis: add vis config
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-- Adapted from Markdown LPeg lexer by Mitchell.
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-- See <https://git.sr.ht/~martanne/vis>.
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local lexer = lexer
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local P, S, B = lpeg.P, lpeg.S, lpeg.B
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local lex = lexer.new(..., {no_user_word_lists = true})
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local md = '.markdown'
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local ws = lex:get_rule('whitespace')
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local nl = P('\n')
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local bl = nl * nl
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local nws = lexer.any - lexer.space
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-- Heading.
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lex:add_rule('heading_delimiter',
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lex:tag('delimiter' .. md,
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lexer.starts_line(P('#')^-6 * P(' '))))
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lex:add_rule('heading',
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lex:tag(lexer.HEADING .. md,
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(
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B(bl * P('# ')) +
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B(bl * P('## ')) +
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B(bl * P('### ')) +
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B(bl * P('#### ')) +
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B(bl * P('##### ')) +
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B(bl * P('###### '))
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) *
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lexer.to_eol(nws) *
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#bl))
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-- Blockquote.
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lex:add_rule('blockquote_delimiter',
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lex:tag('delimiter' .. md,
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lexer.starts_line(P('> ')^1)))
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-- Horizontal rule.
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lex:add_rule('hr',
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lex:tag('hr' .. md, B(bl) * S('*-_')^3 * #bl))
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-- Native divs.
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lex:add_rule("native_div_delimiter",
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lex:tag('delimiter' .. md,
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lexer.starts_line(lexer.to_eol(':::'))))
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-- Code block.
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local code_line = lexer.starts_line(
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(B(' ') + B('\t')) * lexer.to_eol(), true)
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local code_block = lexer.range(lexer.starts_line('```', true), lexer.starts_line(P('```'))) + lexer.range(lexer.starts_line('~~~', true), lexer.starts_line(P('~~~')))
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local code_inline = lpeg.Cmt(
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lpeg.C(P('`')^1), function(input, index, bt)
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local _, e = input:find('[^`]' .. bt .. '%f[^`]', index)
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return (e or #input) + 1
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end)
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lex:add_rule('block_code', lex:tag(lexer.CODE .. md, code_line + code_block))
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-- Escape.
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lex:add_rule('escape', lex:tag(lexer.DEFAULT, P('\\') * 1))
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-- Bracket.
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lex:add_rule('brackets',
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lex:tag('delimiter' .. md, S('[]')))
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-- Footnote.
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lex:add_rule('footnote_key',
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lex:tag(lexer.REFERENCE .. md,
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(P('^') * #P('[')) +
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(B('[') * P('^') * (lexer.any - lexer.space - S('^[]'))^1 * #P(']'))))
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lex:add_rule('cite_key',
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lex:tag(lexer.REFERENCE .. md,
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B(lexer.space + P('[')) * P('-')^-1 * P('@') * (lexer.alnum + P('_')) * (lexer.alnum + S(':.#$%&-+?<>~/'))^0 +
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B(lexer.space + P('[')) * P('-')^-1 * P('@') * lexer.range('{', '}')))
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-- Link.
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lex:add_rule('link_text',
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lex:tag(lexer.LINK .. md,
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B('[') * (lexer.any - P(']'))^1 * #P(P(']') * lexer.range('(', ')'))))
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lex:add_rule('link_target',
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lex:tag('delimiter' .. md, B(']') * lexer.range('(', ')')))
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lex:add_rule('link_ref',
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lex:tag('delimiter' .. md, B(']') * P(':') * #lexer.space))
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-- Image
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lex:add_rule('image_bang', lex:tag(lexer.REFERENCE .. md, P('!') * #P('[')))
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-- Attribute.
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lex:add_rule('attribute',
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lex:tag('delimiter' .. md, B(S('])')) * lexer.range('{', '}')))
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local punct_space = lexer.punct + lexer.space
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-- Handles flanking delimiters as described in
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-- https://github.github.com/gfm/#emphasis-and-strong-emphasis in the cases
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-- where simple delimited ranges are not sufficient.
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local function flanked_range(s, not_inword)
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local fl_char = lexer.any - s - lexer.space
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local left_fl = B(punct_space - s) * s * #fl_char + s * #(fl_char - lexer.punct)
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local right_fl = B(lexer.punct) * s * #(punct_space - s) + B(fl_char) * s
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return left_fl * (lexer.any - bl - (not_inword and s * #punct_space or s))^0 * right_fl
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end
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local asterisk_strong = flanked_range('**')
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local underscore_strong = (B(punct_space) + #lexer.starts_line('_')) * flanked_range('__', true) * #(punct_space + -1)
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lex:add_rule('strong', lex:tag(lexer.BOLD, asterisk_strong + underscore_strong))
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local asterisk_em = flanked_range('*')
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local underscore_em = (B(punct_space) + #lexer.starts_line('_')) * flanked_range('_', true) * #(punct_space + -1)
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lex:add_rule('em', lex:tag(lexer.ITALIC, asterisk_em + underscore_em))
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-- Embedded HTML.
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local html = lexer.load('html')
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local html_start_rule = lexer.starts_line(P(' ')^-3) *
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#P('<') *
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html:get_rule('tag') +
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html:get_rule('comment')
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local html_end_rule = #bl * ws
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lex:embed(html, html_start_rule, html_end_rule)
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-- Embedded YAML.
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local yaml = lexer.load('yaml')
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local yaml_start_rule = #lexer.starts_line(P('---'), false) * yaml:get_rule('doc_bounds')
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local yaml_end_rule = #lexer.starts_line(P('...'), false) * yaml:get_rule('doc_bounds')
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lex:embed(yaml, yaml_start_rule, yaml_end_rule)
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return lex
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@ -0,0 +1,60 @@
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local lexers = vis.lexers
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lexers.STYLE_LINENUMBER = 'fore:blue'
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lexers.STYLE_LINENUMBER_CURSOR = 'fore:magenta'
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lexers.STYLE_CURSOR = 'fore:black,back:blue'
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lexers.STYLE_CURSOR_PRIMARY = 'fore:black,back:magenta'
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lexers.STYLE_CURSOR_LINE = 'underlined'
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lexers.STYLE_COLOR_COLUMN = 'fore:black,back:blue'
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lexers.STYLE_SELECTION = 'fore:black,back:white'
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lexers.STYLE_STATUS = 'fore:blue'
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lexers.STYLE_STATUS_FOCUSED = 'fore:magenta'
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lexers.STYLE_SEPARATOR = 'fore:blue'
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lexers.STYLE_INFO = 'fore:red'
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lexers.STYLE_EOF = 'fore:blue'
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lexers.STYLE_NOTHING = ''
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lexers.STYLE_WHITESPACE = ''
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-- programming languages
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lexers.STYLE_DEFAULT = ''
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lexers.STYLE_COMMENT = 'fore:blue,bold'
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lexers.STYLE_STRING = 'fore:red,bold'
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lexers.STYLE_NUMBER = 'fore:red,bold'
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lexers.STYLE_KEYWORD = 'fore:yellow,bold'
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lexers.STYLE_IDENTIFIER = ''
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lexers.STYLE_OPERATOR = 'fore:cyan,bold'
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lexers.STYLE_ERROR = 'fore:red,italics'
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lexers.STYLE_PREPROCESSOR = 'fore:magenta,bold'
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lexers.STYLE_CONSTANT = 'fore:cyan,bold'
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lexers.STYLE_CONSTANT_BUILTIN = 'fore:cyan,bold'
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lexers.STYLE_VARIABLE = 'fore:blue,bold'
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lexers.STYLE_VARIABLE_BUILTIN = 'fore:blue,bold'
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lexers.STYLE_FUNCTION = 'fore:blue,bold'
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lexers.STYLE_FUNCTION_BUILTIN = 'fore:blue,bold'
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lexers.STYLE_FUNCTION_METHOD = 'fore:blue,bold'
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lexers.STYLE_CLASS = 'fore:yellow,bold'
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lexers.STYLE_TYPE = 'fore:green,bold'
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lexers.STYLE_LABEL = 'fore:green,bold'
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lexers.STYLE_REGEX = 'fore:green,bold'
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lexers.STYLE_EMBEDDED = 'back:blue,bold'
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lexers.STYLE_ANNOTATION = ''
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-- markup languages
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lexers.STYLE_TAG = 'fore:red,bold'
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lexers.STYLE_ATTRIBUTE = 'fore:green,bold'
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lexers.STYLE_HEADING = 'fore:magenta,bold'
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lexers.STYLE_BOLD = 'bold'
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lexers.STYLE_ITALIC = 'italics'
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lexers.STYLE_UNDERLINE = 'underlined'
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lexers.STYLE_CODE = 'fore:yellow'
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lexers.STYLE_LINK = lexers.STYLE_KEYWORD
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lexers.STYLE_REFERENCE = lexers.STYLE_KEYWORD
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lexers.STYLE_LIST = lexers.STYLE_KEYWORD
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-- Markdown
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lexers.STYLE_DELIMITER_MARKDOWN = 'fore:blue'
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lexers.STYLE_HEADING_MARKDOWN = 'bold'
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lexers.STYLE_HR_MARKDOWN = lexers.STYLE_DELIMITER_MARKDOWN
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lexers.STYLE_CODE_MARKDOWN = 'fore:yellow'
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lexers.STYLE_REFERENCE_MARKDOWN = lexers.STYLE_REFERENCE
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lexers.STYLE_LINK_MARKDOWN = lexers.STYLE_REFERENCE
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@ -0,0 +1,79 @@
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require('vis')
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vis.events.subscribe(vis.events.INIT, function()
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vis.options.theme = require("themes.basic")
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vis:map(vis.modes.NORMAL, 'y', '<vis-register>+<vis-operator-yank>')
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vis:map(vis.modes.VISUAL, 'y', '<vis-register>+<vis-operator-yank>')
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vis:map(vis.modes.NORMAL, 'y', '<vis-register>+<vis-operator-yank>')
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vis:map(vis.modes.VISUAL, 'd', '<vis-register>+<vis-operator-delete>')
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vis:map(vis.modes.VISUAL_LINE, 'd', '<vis-register>+<vis-operator-delete>')
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vis:map(vis.modes.VISUAL_LINE, 'd', '<vis-register>+<vis-operator-delete>')
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vis:map(vis.modes.NORMAL, 'p', '<vis-register>+<vis-put-after>')
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vis:map(vis.modes.VISUAL, 'p', '<vis-register>+<vis-put-after>')
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vis:map(vis.modes.VISUAL_LINE, 'p', '<vis-register>+<vis-put-after>')
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vis:map(vis.modes.NORMAL, 'P', '<vis-register>+<vis-put-before>')
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vis:map(vis.modes.VISUAL, 'P', '<vis-register>+<vis-put-before>')
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vis:map(vis.modes.VISUAL_LINE, 'P', '<vis-register>+<vis-put-before>')
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vis.options.autoindent = true
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vis.options.ignorecase = true
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end)
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vis.events.subscribe(vis.events.WIN_OPEN, function(win)
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win.options.breakat = " .])}_"
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win.options.colorcolumn = 81
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win.options.relativenumbers = true
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win.options.tabwidth = 2
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win.options.wrapcolumn = 81
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end)
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local modes = {
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[vis.modes.NORMAL] = 'NORMAL',
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[vis.modes.OPERATOR_PENDING] = 'OPERATOR-PENDING',
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[vis.modes.VISUAL] = 'VISUAL',
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[vis.modes.VISUAL_LINE] = 'VISUAL-LINE',
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[vis.modes.INSERT] = 'INSERT',
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[vis.modes.REPLACE] = 'REPLACE',
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}
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vis.events.subscribe(vis.events.WIN_STATUS, function(win)
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local left_parts = {}
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local right_parts = {}
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local file = win.file
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local selection = win.selection
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local file_info = (file.name or '[No Name]')..(file.modified and '[+]' or '')
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if vis.win == win then
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-- mode
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table.insert(left_parts, modes[vis.mode])
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-- selection
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table.insert(left_parts, selection.number..'/'..#win.selections)
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-- file info
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file_info =
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file_info
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..':'
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..(vis.count or '')
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..(vis.input_queue or '')
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..(vis.recording and '@' or '')
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-- character under cursor
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table.insert(right_parts,
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'<'
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..(string.byte(file:content(selection.pos, 1)) or '0')
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..'>')
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end
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table.insert(left_parts, file_info)
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-- line and column count
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table.insert(right_parts, #file.lines..'/'..selection.line)
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table.insert(right_parts, selection.col)
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local left = table.concat(left_parts, " ")
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local right = table.concat(right_parts, " ")
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win:status(left, right);
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end)
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