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org-vim/runtime/syntax/2html.vim
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Mao-Yining bc2141d27d runtime(2html): Convert to Vim9 script 
closes: #19915

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: fritzophrenic <fritzophrenic@gmail.com>
Co-authored-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Mao-Yining <mao.yining@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2026-05-29 18:02:01 +00:00

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vim9script
# Vim syntax support file
# Maintainer: Ben Fritz <fritzophrenic@gmail.com>
# Last Change: 2026-05-22
#
# Additional contributors:
#
# Original by Bram Moolenaar <Bram@vim.org>
# Modified by David Ne\v{c}as (Yeti) <yeti@physics.muni.cz>
# XHTML support by Panagiotis Issaris <takis@lumumba.luc.ac.be>
# Made w3 compliant by Edd Barrett <vext01@gmail.com>
# Added html_font. Edd Barrett <vext01@gmail.com>
# Progress bar based off code from "progressbar widget" plugin by
# Andreas Politz, heavily modified:
# http://www.vim.org/scripts/script.php?script_id=2006
# Converted to Vim9 by Mao-Yining Vim PR #19915
#
# See git change logs for more!
# Transform a file into HTML, using the current syntax highlighting.
var ls_sav = &laststatus
var ei_sav = &eventignore
set eventignore+=FileType
var lnum: number
var end = line('$')
var trim_tmp: list<string>
# Font
var htmlfont: string
if exists("g:html_font")
if type(g:html_font) == type([])
htmlfont = "'" .. join(g:html_font, "','") .. "', monospace"
else
htmlfont = "'" .. g:html_font .. "', monospace"
endif
else
htmlfont = "monospace"
endif
var settings = tohtml#GetUserSettings()
var html5: number
if settings.use_xhtml
html5 = 0
elseif settings.use_css && !settings.no_pre
html5 = 1
else
html5 = 0
endif
const FOLDED_ID = hlID("Folded")
const FOLD_C_ID = hlID("FoldColumn")
const LINENR_ID = hlID('LineNr')
const DIFF_D_ID = hlID("DiffDelete")
const DIFF_A_ID = hlID("DiffAdd")
const DIFF_C_ID = hlID("DiffChange")
const DIFF_T_ID = hlID("DiffText")
const CONCEAL_ID = hlID('Conceal')
# Whitespace
var whitespace: string
if settings.pre_wrap
whitespace = "white-space: pre-wrap; "
else
whitespace = ""
endif
var unselInputType: string
if !empty(settings.prevent_copy)
if settings.no_invalid
# User has decided they don't want invalid markup. Still works in
# OpenOffice, and for text editors, but when pasting into Microsoft Word the
# input elements get pasted too and they cannot be deleted (at least not
# easily).
unselInputType = ""
else
# Prevent from copy-pasting the input elements into Microsoft Word where
# they cannot be deleted easily by deliberately inserting invalid markup.
unselInputType = " type='invalid_input_type'"
endif
endif
# When gui colors are not supported, we can only guess the colors.
# TODO - is this true anymore? Is there a way to ask the terminal what colors
# each number means or read them from some file?
var whatterm: string
var cterm_color: dict<string>
if &termguicolors || has("gui_running")
whatterm = "gui"
else
whatterm = "cterm"
if &t_Co == '8'
cterm_color = {
0: "#808080", 1: "#ff6060", 2: "#00ff00", 3: "#ffff00",
4: "#8080ff", 5: "#ff40ff", 6: "#00ffff", 7: "#ffffff"
}
else
cterm_color = {
0: "#000000", 1: "#c00000", 2: "#008000", 3: "#804000",
4: "#0000c0", 5: "#c000c0", 6: "#008080", 7: "#c0c0c0",
8: "#808080", 9: "#ff6060", 10: "#00ff00", 11: "#ffff00",
12: "#8080ff", 13: "#ff40ff", 14: "#00ffff", 15: "#ffffff"
}
# Colors for 88 and 256 come from xterm.
if &t_Co == '88'
extend(cterm_color, {
16: "#000000", 17: "#00008b", 18: "#0000cd", 19: "#0000ff",
20: "#008b00", 21: "#008b8b", 22: "#008bcd", 23: "#008bff",
24: "#00cd00", 25: "#00cd8b", 26: "#00cdcd", 27: "#00cdff",
28: "#00ff00", 29: "#00ff8b", 30: "#00ffcd", 31: "#00ffff",
32: "#8b0000", 33: "#8b008b", 34: "#8b00cd", 35: "#8b00ff",
36: "#8b8b00", 37: "#8b8b8b", 38: "#8b8bcd", 39: "#8b8bff",
40: "#8bcd00", 41: "#8bcd8b", 42: "#8bcdcd", 43: "#8bcdff",
44: "#8bff00", 45: "#8bff8b", 46: "#8bffcd", 47: "#8bffff",
48: "#cd0000", 49: "#cd008b", 50: "#cd00cd", 51: "#cd00ff",
52: "#cd8b00", 53: "#cd8b8b", 54: "#cd8bcd", 55: "#cd8bff",
56: "#cdcd00", 57: "#cdcd8b", 58: "#cdcdcd", 59: "#cdcdff",
60: "#cdff00", 61: "#cdff8b", 62: "#cdffcd", 63: "#cdffff",
64: "#ff0000"
})
extend(cterm_color, {
65: "#ff008b", 66: "#ff00cd", 67: "#ff00ff", 68: "#ff8b00",
69: "#ff8b8b", 70: "#ff8bcd", 71: "#ff8bff", 72: "#ffcd00",
73: "#ffcd8b", 74: "#ffcdcd", 75: "#ffcdff", 76: "#ffff00",
77: "#ffff8b", 78: "#ffffcd", 79: "#ffffff", 80: "#2e2e2e",
81: "#5c5c5c", 82: "#737373", 83: "#8b8b8b", 84: "#a2a2a2",
85: "#b9b9b9", 86: "#d0d0d0", 87: "#e7e7e7"
})
elseif &t_Co == '256'
extend(cterm_color, {
16: "#000000", 17: "#00005f", 18: "#000087", 19: "#0000af",
20: "#0000d7", 21: "#0000ff", 22: "#005f00", 23: "#005f5f",
24: "#005f87", 25: "#005faf", 26: "#005fd7", 27: "#005fff",
28: "#008700", 29: "#00875f", 30: "#008787", 31: "#0087af",
32: "#0087d7", 33: "#0087ff", 34: "#00af00", 35: "#00af5f",
36: "#00af87", 37: "#00afaf", 38: "#00afd7", 39: "#00afff",
40: "#00d700", 41: "#00d75f", 42: "#00d787", 43: "#00d7af",
44: "#00d7d7", 45: "#00d7ff", 46: "#00ff00", 47: "#00ff5f",
48: "#00ff87", 49: "#00ffaf", 50: "#00ffd7", 51: "#00ffff",
52: "#5f0000", 53: "#5f005f", 54: "#5f0087", 55: "#5f00af",
56: "#5f00d7", 57: "#5f00ff", 58: "#5f5f00", 59: "#5f5f5f",
60: "#5f5f87", 61: "#5f5faf", 62: "#5f5fd7", 63: "#5f5fff",
64: "#5f8700"
})
extend(cterm_color, {
65: "#5f875f", 66: "#5f8787", 67: "#5f87af", 68: "#5f87d7",
69: "#5f87ff", 70: "#5faf00", 71: "#5faf5f", 72: "#5faf87",
73: "#5fafaf", 74: "#5fafd7", 75: "#5fafff", 76: "#5fd700",
77: "#5fd75f", 78: "#5fd787", 79: "#5fd7af", 80: "#5fd7d7",
81: "#5fd7ff", 82: "#5fff00", 83: "#5fff5f", 84: "#5fff87",
85: "#5fffaf", 86: "#5fffd7", 87: "#5fffff", 88: "#870000",
89: "#87005f", 90: "#870087", 91: "#8700af", 92: "#8700d7",
93: "#8700ff", 94: "#875f00", 95: "#875f5f", 96: "#875f87",
97: "#875faf", 98: "#875fd7", 99: "#875fff", 100: "#878700",
101: "#87875f", 102: "#878787", 103: "#8787af", 104: "#8787d7",
105: "#8787ff", 106: "#87af00", 107: "#87af5f", 108: "#87af87",
109: "#87afaf", 110: "#87afd7", 111: "#87afff", 112: "#87d700"
})
extend(cterm_color, {
113: "#87d75f", 114: "#87d787", 115: "#87d7af", 116: "#87d7d7",
117: "#87d7ff", 118: "#87ff00", 119: "#87ff5f", 120: "#87ff87",
121: "#87ffaf", 122: "#87ffd7", 123: "#87ffff", 124: "#af0000",
125: "#af005f", 126: "#af0087", 127: "#af00af", 128: "#af00d7",
129: "#af00ff", 130: "#af5f00", 131: "#af5f5f", 132: "#af5f87",
133: "#af5faf", 134: "#af5fd7", 135: "#af5fff", 136: "#af8700",
137: "#af875f", 138: "#af8787", 139: "#af87af", 140: "#af87d7",
141: "#af87ff", 142: "#afaf00", 143: "#afaf5f", 144: "#afaf87",
145: "#afafaf", 146: "#afafd7", 147: "#afafff", 148: "#afd700",
149: "#afd75f", 150: "#afd787", 151: "#afd7af", 152: "#afd7d7",
153: "#afd7ff", 154: "#afff00", 155: "#afff5f", 156: "#afff87",
157: "#afffaf", 158: "#afffd7"
})
extend(cterm_color, {
159: "#afffff", 160: "#d70000", 161: "#d7005f", 162: "#d70087",
163: "#d700af", 164: "#d700d7", 165: "#d700ff", 166: "#d75f00",
167: "#d75f5f", 168: "#d75f87", 169: "#d75faf", 170: "#d75fd7",
171: "#d75fff", 172: "#d78700", 173: "#d7875f", 174: "#d78787",
175: "#d787af", 176: "#d787d7", 177: "#d787ff", 178: "#d7af00",
179: "#d7af5f", 180: "#d7af87", 181: "#d7afaf", 182: "#d7afd7",
183: "#d7afff", 184: "#d7d700", 185: "#d7d75f", 186: "#d7d787",
187: "#d7d7af", 188: "#d7d7d7", 189: "#d7d7ff", 190: "#d7ff00",
191: "#d7ff5f", 192: "#d7ff87", 193: "#d7ffaf", 194: "#d7ffd7",
195: "#d7ffff", 196: "#ff0000", 197: "#ff005f", 198: "#ff0087",
199: "#ff00af", 200: "#ff00d7", 201: "#ff00ff", 202: "#ff5f00",
203: "#ff5f5f", 204: "#ff5f87"
})
extend(cterm_color, {
205: "#ff5faf", 206: "#ff5fd7", 207: "#ff5fff", 208: "#ff8700",
209: "#ff875f", 210: "#ff8787", 211: "#ff87af", 212: "#ff87d7",
213: "#ff87ff", 214: "#ffaf00", 215: "#ffaf5f", 216: "#ffaf87",
217: "#ffafaf", 218: "#ffafd7", 219: "#ffafff", 220: "#ffd700",
221: "#ffd75f", 222: "#ffd787", 223: "#ffd7af", 224: "#ffd7d7",
225: "#ffd7ff", 226: "#ffff00", 227: "#ffff5f", 228: "#ffff87",
229: "#ffffaf", 230: "#ffffd7", 231: "#ffffff", 232: "#080808",
233: "#121212", 234: "#1c1c1c", 235: "#262626", 236: "#303030",
237: "#3a3a3a", 238: "#444444", 239: "#4e4e4e", 240: "#585858",
241: "#626262", 242: "#6c6c6c", 243: "#767676", 244: "#808080",
245: "#8a8a8a", 246: "#949494", 247: "#9e9e9e", 248: "#a8a8a8",
249: "#b2b2b2", 250: "#bcbcbc", 251: "#c6c6c6", 252: "#d0d0d0",
253: "#dadada", 254: "#e4e4e4", 255: "#eeeeee"
})
endif
endif
endif
# Return good color specification: in GUI no transformation is done, in
# terminal return RGB values of known colors and empty string for unknown
if whatterm == "gui"
def HtmlColor(color: string): string
return color
enddef
else
def HtmlColor(color: string): string
if has_key(cterm_color, color)
return cterm_color[color]
else
return ""
endif
enddef
endif
# Find out the background and foreground color for use later
var fgc = HtmlColor(synIDattr(synIDtrans(hlID("Normal")), "fg#", whatterm))
var bgc = HtmlColor(synIDattr(synIDtrans(hlID("Normal")), "bg#", whatterm))
if fgc == ""
fgc = (&background == "dark" ? "#ffffff" : "#000000")
endif
if bgc == ""
bgc = (&background == "dark" ? "#000000" : "#ffffff")
endif
if !settings.use_css
# Return opening HTML tag for given highlight id
def HtmlOpening(id: number, extra_attrs: string): string
var a = ""
var translated_ID = synIDtrans(id)
if synIDattr(translated_ID, "inverse") == '1'
# For inverse, we always must set both colors (and exchange them)
var x = HtmlColor(synIDattr(translated_ID, "fg#", whatterm))
a ..= '<span ' .. extra_attrs .. 'style="background-color: ' .. (x != "" ? x : fgc) .. '">'
x = HtmlColor(synIDattr(translated_ID, "bg#", whatterm))
a ..= '<font color="' .. (x != "" ? x : bgc) .. '">'
else
var x = HtmlColor(synIDattr(translated_ID, "bg#", whatterm))
if x != ""
a ..= '<span ' .. extra_attrs .. 'style="background-color: ' .. x .. '">'
elseif !empty(extra_attrs)
a ..= '<span ' .. extra_attrs .. '>'
endif
x = HtmlColor(synIDattr(translated_ID, "fg#", whatterm))
if x != "" | a ..= '<font color="' .. x .. '">' | endif
endif
if synIDattr(translated_ID, "bold") == '1' | a ..= "<b>" | endif
if synIDattr(translated_ID, "italic") == '1' | a ..= "<i>" | endif
if synIDattr(translated_ID, "underline") == '1' | a ..= "<u>" | endif
return a
enddef
# Return closing HTML tag for given highlight id
def HtmlClosing(id: number, has_extra_attrs: bool): string
var a = ""
var translated_ID = synIDtrans(id)
if synIDattr(translated_ID, "underline") == '1' | a ..= "</u>" | endif
if synIDattr(translated_ID, "italic") == '1' | a ..= "</i>" | endif
if synIDattr(translated_ID, "bold") == '1' | a ..= "</b>" | endif
if synIDattr(translated_ID, "inverse") == '1'
a ..= '</font></span>'
else
var x = HtmlColor(synIDattr(translated_ID, "fg#", whatterm))
if x != "" | a ..= '</font>' | endif
x = HtmlColor(synIDattr(translated_ID, "bg#", whatterm))
if x != "" || has_extra_attrs | a ..= '</span>' | endif
endif
return a
enddef
endif
# Use a different function for formatting based on user options. This way we
# can avoid a lot of logic during the actual execution.
#
# Build the function line by line containing only what is needed for the options
# in use for maximum code sharing with minimal branch logic for greater speed.
if settings.use_css
# save CSS to a list of rules to add to the output at the end of processing
# Note, 'exec' commands do not recognize line continuations, so must concatenate
# lines rather than continue them.
var wrapperfunc_lines: list<string>
# first, get the style names we need
wrapperfunc_lines =<< trim eval ENDLET
def BuildStyleWrapper(style_id: number, diff_style_id: number, extra_attrs: string, text: string, make_unselectable: bool, unformatted: string): string
var style_name = synIDattr(style_id, "name", whatterm)
var saved_style: string
ENDLET
if &diff
trim_tmp =<< trim eval ENDLET
var diff_style_name = synIDattr(diff_style_id, "name", whatterm)
ENDLET
wrapperfunc_lines += trim_tmp
# Add normal groups and diff groups to separate lists so we can order them to
# allow diff highlight to override normal highlight
# if primary style IS a diff style, grab it from the diff cache instead
# (always succeeds because we pre-populate it)
trim_tmp =<< trim eval ENDLET
if style_id == DIFF_D_ID || style_id == DIFF_A_ID || style_id == DIFF_C_ID || style_id == DIFF_T_ID
saved_style = get(diffstylelist, style_id)
else
ENDLET
wrapperfunc_lines += trim_tmp
endif
# get primary style info from cache or build it on the fly if not found
trim_tmp =<< trim ENDLET
if has_key(stylelist, style_id)
saved_style = stylelist[style_id]
else
saved_style = CSS1(style_id)
if !empty(saved_style)
saved_style = "." .. style_name .. " { " .. saved_style .. "}"
endif
stylelist[style_id] = saved_style
endif
ENDLET
wrapperfunc_lines += trim_tmp
if &diff
trim_tmp =<< trim eval ENDLET
endif
ENDLET
wrapperfunc_lines += trim_tmp
endif
# Ignore this comment, just bypassing a highlighting issue: if
# Build the wrapper tags around the text. It turns out that caching these
# gives pretty much zero performance gain and adds a lot of logic.
trim_tmp =<< trim eval ENDLET
if saved_style == "" && empty(extra_attrs)
ENDLET
wrapperfunc_lines += trim_tmp
if &diff
trim_tmp =<< trim eval ENDLET
if diff_style_id <= 0
ENDLET
wrapperfunc_lines += trim_tmp
endif
# no surroundings if neither primary nor diff style has any info
trim_tmp =<< trim eval ENDLET
return text
ENDLET
wrapperfunc_lines += trim_tmp
if &diff
# no primary style, but diff style
trim_tmp =<< trim ENDLET
else
return $'<span class="{diff_style_name}">{text}</span>'
endif
ENDLET
wrapperfunc_lines += trim_tmp
endif
# Ignore this comment, just bypassing a highlighting issue: if
# open tag for non-empty primary style
trim_tmp =<< trim eval ENDLET
else
ENDLET
wrapperfunc_lines += trim_tmp
# non-empty primary style. handle either empty or non-empty diff style.
#
# separate the two classes by a space to apply them both if there is a diff
# style name, unless the primary style is empty, then just use the diff style
# name
var diffstyle: string
if &diff
diffstyle = '(diff_style_id <= 0 ? "" : " " .. diff_style_name) .. '
else
diffstyle = ''
endif
if settings.prevent_copy == ""
trim_tmp =<< trim eval ENDLET
return "<span " .. extra_attrs .. 'class="' .. style_name .. {diffstyle}'">' .. text .. "</span>"
ENDLET
wrapperfunc_lines += trim_tmp
else
# New method: use generated content in the CSS. The only thing needed here
# is a span with no content, with an attribute holding the desired text.
#
# Old method: use an <input> element when text is unsectable. This is still
# used in conditional comments for Internet Explorer, where the new method
# doesn't work.
#
# Wrap the <input> in a <span> to allow fixing the stupid bug in some fonts
# which cause browsers to display a 1px gap between lines when these
# <input>s have a background color (maybe not really a bug, this isn't
# well-defined)
#
# use strwidth, because we care only about how many character boxes are
# needed to size the input, we don't care how many characters (including
# separately counted composing chars, from strchars()) or bytes (from
# len())the string contains. strdisplaywidth() is not needed because none of
# the unselectable groups can contain tab characters (fold column, fold
# text, line number).
#
# Note, if maxlength property needs to be added in the future, it will need
# to use strchars(), because HTML specifies that the maxlength parameter
# uses the number of unique codepoints for its limit.
trim_tmp =<< trim eval ENDLET
if make_unselectable
var return_span = "<span " .. extra_attrs .. 'class="' .. style_name .. {diffstyle}'"'
ENDLET
wrapperfunc_lines += trim_tmp
if settings.use_input_for_pc !=# 'all'
trim_tmp =<< trim eval ENDLET
return_span ..= " data-" .. style_name .. '-content="' .. text .. '"'
ENDLET
wrapperfunc_lines += trim_tmp
endif
trim_tmp =<< trim eval ENDLET
return_span ..= '>'
ENDLET
wrapperfunc_lines += trim_tmp
if settings.use_input_for_pc !=# 'none'
trim_tmp =<< trim eval ENDLET
return_span ..= '<input' .. unselInputType .. ' class="' .. style_name .. {diffstyle}'"'
return_span ..= ' value="' .. substitute(unformatted, '\s\+$', "", "") .. '"'
return_span ..= " onselect='this.blur(); return false;'"
return_span ..= " onmousedown='this.blur(); return false;'"
return_span ..= " onclick='this.blur(); return false;'"
return_span ..= " readonly='readonly'"
return_span ..= ' size="' .. strwidth(unformatted) .. '"'
return_span ..= (settings.use_xhtml ? '/>' : '>')
ENDLET
wrapperfunc_lines += trim_tmp
endif
trim_tmp =<< trim eval ENDLET
return return_span .. '</span>'
else
return "<span " .. extra_attrs .. 'class="' .. style_name .. {diffstyle}'">' .. text .. "</span>"
endif
ENDLET
wrapperfunc_lines += trim_tmp
endif
trim_tmp =<< trim eval ENDLET
endif
enddef
ENDLET
wrapperfunc_lines += trim_tmp
# create the function we built line by line above
execute join(wrapperfunc_lines, "\n")
else
# Non-CSS method just needs the wrapper.
#
# Functions used to get opening/closing automatically return null strings if
# no styles exist.
if &diff
def BuildStyleWrapper(style_id: number, diff_style_id: number, extra_attrs: string, text: string, unusedarg: bool, unusedarg2: string): string
var diff_opening: string
var diff_closing: string
if diff_style_id > 0
diff_opening = HtmlOpening(diff_style_id, "")
diff_closing = HtmlClosing(diff_style_id, false)
endif
return HtmlOpening(style_id, extra_attrs) .. diff_opening .. text .. diff_closing .. HtmlClosing(style_id, !empty(extra_attrs))
enddef
else
def BuildStyleWrapper(style_id: number, diff_style_id: number, extra_attrs: string, text: string, unusedarg: bool, unusedarg2: string): string
return HtmlOpening(style_id, extra_attrs) .. text .. HtmlClosing(style_id, !empty(extra_attrs))
enddef
endif
endif
var diff_mode = &diff
# Return HTML valid characters enclosed in a span of class style_name with
# unprintable characters expanded and double spaces replaced as necessary.
#
# TODO: eliminate unneeded logic like done for BuildStyleWrapper
def HtmlFormat(text: string, style_id: number, diff_style_id: number, extra_attrs: string, make_unselectable: bool): string
# Replace unprintable characters
var unformatted = strtrans(text)
var formatted = unformatted
# Replace the reserved html characters
formatted = substitute(formatted, '&', '\&amp;', 'g')
formatted = substitute(formatted, '<', '\&lt;', 'g')
formatted = substitute(formatted, '>', '\&gt;', 'g')
formatted = substitute(formatted, '"', '\&quot;', 'g')
# &apos; is not valid in HTML but it is in XHTML, so just use the numeric
# reference for it instead. Needed because it could appear in quotes
# especially if unselectable regions is turned on.
formatted = substitute(formatted, '"', '\&#0039;', 'g')
# Replace a "form feed" character with HTML to do a page break
# TODO: need to prevent this in unselectable areas? Probably it should never
# BE in an unselectable area...
formatted = substitute(formatted, "\x0c", '<hr class="PAGE-BREAK">', 'g')
# Replace double spaces, leading spaces, and trailing spaces if needed
if ' ' != HtmlSpace
formatted = substitute(formatted, ' ', HtmlSpace .. HtmlSpace, 'g')
formatted = substitute(formatted, '^ ', HtmlSpace, 'g')
formatted = substitute(formatted, ' \+$', HtmlSpace, 'g')
endif
# Enclose in the correct format
return BuildStyleWrapper(style_id, diff_style_id, extra_attrs, formatted, make_unselectable, unformatted)
enddef
# set up functions to call HtmlFormat in certain ways based on whether the
# element is supposed to be unselectable or not
if settings.prevent_copy =~# 'n'
if settings.number_lines
if settings.line_ids
def HtmlFormat_n(text: string, style_id: number, diff_style_id: number, lnr: number): string
if lnr > 0
return HtmlFormat(text, style_id, diff_style_id, 'id="' .. (exists('g:html_diff_win_num') ? 'W' .. g:html_diff_win_num : "") .. 'L' .. lnr .. settings.id_suffix .. '" ', true)
else
return HtmlFormat(text, style_id, diff_style_id, "", true)
endif
enddef
else
def HtmlFormat_n(text: string, style_id: number, diff_style_id: number, lnr: number): string
return HtmlFormat(text, style_id, diff_style_id, "", true)
enddef
endif
elseif settings.line_ids
# if lines are not being numbered the only reason this function gets called
# is to put the line IDs on each line; "text" will be empty but lnr will
# always be non-zero, however we don't want to use the <input> because that
# won't work as nice for empty text
def HtmlFormat_n(text: string, style_id: number, diff_style_id: number, lnr: number): string
return HtmlFormat(text, style_id, diff_style_id, 'id="' .. (exists('g:html_diff_win_num') ? 'W' .. g:html_diff_win_num : "") .. 'L' .. lnr .. settings.id_suffix .. '" ', false)
enddef
endif
else
if settings.line_ids
def HtmlFormat_n(text: string, style_id: number, diff_style_id: number, lnr: number): string
if lnr > 0
return HtmlFormat(text, style_id, diff_style_id, 'id="' .. (exists('g:html_diff_win_num') ? 'W' .. g:html_diff_win_num : "") .. 'L' .. lnr .. settings.id_suffix .. '" ', false)
else
return HtmlFormat(text, style_id, diff_style_id, "", false)
endif
enddef
else
def HtmlFormat_n(text: string, style_id: number, diff_style_id: number, lnr: number): string
return HtmlFormat(text, style_id, diff_style_id, "", false)
enddef
endif
endif
if settings.prevent_copy =~# 'd'
def HtmlFormat_d(text: string, style_id: number, diff_style_id: number): string
return HtmlFormat(text, style_id, diff_style_id, "", true)
enddef
else
def HtmlFormat_d(text: string, style_id: number, diff_style_id: number): string
return HtmlFormat(text, style_id, diff_style_id, "", false)
enddef
endif
if settings.prevent_copy =~# 'f'
if settings.use_input_for_pc ==# 'none'
# If not using the method at all, define functions that will simply
# space-pad to the desired width inside the generated content (note that
# the FoldColumn definition includes a whitespace:pre rule)
def FoldColumn_build(char: string, len: number, numfill: number, char2: string, class: string, click: string): string
return "<a href='#' class='" .. class .. "' onclick='" .. click .. "' data-FoldColumn-content='" ..
repeat(char, len) .. char2 .. repeat(' ', numfill) ..
"'></a>"
enddef
def FoldColumn_fill(): string
return HtmlFormat(repeat(' ', foldcolumn), FOLD_C_ID, 0, "", true)
enddef
else
# Note the <input> elements for fill spaces will have a single space for
# content, to allow active cursor CSS selection to work.
#
# Wrap the whole thing in a span for the 1px padding workaround for gaps.
#
# Build the function line by line containing only what is needed for the
# options in use for maximum code sharing with minimal branch logic for
# greater speed.
#
# Note, 'exec' commands do not recognize line continuations, so must
# concatenate lines rather than continue them.
var build_fun_lines: list<string> = []
build_fun_lines =<< trim ENDLET
def FoldColumn_build(char: string, len: number, numfill: number, char2: string, class: string, click: string): string
var input_open = "<input readonly='readonly'" .. unselInputType
input_open ..= " onselect='this.blur(); return false;'"
input_open ..= " onmousedown='this.blur(); " .. click .. " return false;'"
input_open ..= " onclick='return false;' size='"
input_open ..= string(len + (empty(char2) ? 0 : 1) + numfill) .. "' "
var common_attrs = "class='FoldColumn' value='"
var input_close = settings.use_xhtml ? "' />" : "'>"
var return_span = "<span class='" .. class .. "'>"
return_span ..= input_open .. common_attrs .. repeat(char, len) .. char2
return_span ..= input_close
ENDLET
if settings.use_input_for_pc ==# 'fallback'
trim_tmp =<< trim ENDLET
return_span ..= "<a href='#' class='FoldColumn' onclick='" .. click .. "'"
return_span ..= " data-FoldColumn-content='"
return_span ..= repeat(char, len) .. char2 .. repeat(' ', numfill)
return_span ..= "'></a>"
ENDLET
build_fun_lines += trim_tmp
endif
trim_tmp =<< trim ENDLET
return_span ..= "</span>"
return return_span
enddef
ENDLET
build_fun_lines += trim_tmp
execute join(build_fun_lines, "\n")
def FoldColumn_fill(): string
return FoldColumn_build(' ', foldcolumn, 0, '', 'FoldColumn', '')
enddef
endif
else
# For normal fold columns, simply space-pad to the desired width (note that
# the FoldColumn definition includes a whitespace:pre rule)
def FoldColumn_build(char: string, len: number, numfill: number, char2: string, class: string, click: string): string
return "<a href='#' class='" .. class .. "' onclick='" .. click .. "'>" ..
repeat(char, len) .. char2 .. repeat(' ', numfill) ..
"</a>"
enddef
def FoldColumn_fill(): string
return HtmlFormat(repeat(' ', foldcolumn), FOLD_C_ID, 0, "", false)
enddef
endif
if settings.prevent_copy =~# 't'
# put an extra empty span at the end for dynamic folds, so the linebreak can
# be surrounded. Otherwise do it as normal.
#
# TODO: isn't there a better way to do this, than placing it here and using a
# substitute later?
if settings.dynamic_folds
def HtmlFormat_t(text: string, style_id: number, diff_style_id: number): string
return HtmlFormat(text, style_id, diff_style_id, "", true) ..
HtmlFormat("", style_id, 0, "", false)
enddef
else
def HtmlFormat_t(text: string, style_id: number, diff_style_id: number): string
return HtmlFormat(text, style_id, diff_style_id, "", true)
enddef
endif
else
def HtmlFormat_t(text: string, style_id: number, diff_style_id: number): string
return HtmlFormat(text, style_id, diff_style_id, "", false)
enddef
endif
# Return CSS style describing given highlight id (can be empty)
def CSS1(id: number): string
var a = ""
var translated_ID = synIDtrans(id)
if synIDattr(translated_ID, "inverse") == '1'
# For inverse, we always must set both colors (and exchange them)
var x = HtmlColor(synIDattr(translated_ID, "bg#", whatterm))
a ..= "color: " .. (x != "" ? x : bgc) .. "; "
x = HtmlColor(synIDattr(translated_ID, "fg#", whatterm))
a ..= "background-color: " .. (x != "" ? x : fgc) .. "; "
else
var x = HtmlColor(synIDattr(translated_ID, "fg#", whatterm))
if x != "" | a ..= "color: " .. x .. "; " | endif
x = HtmlColor(synIDattr(translated_ID, "bg#", whatterm))
if x != ""
a ..= "background-color: " .. x .. "; "
# stupid hack because almost every browser seems to have at least one font
# which shows 1px gaps between lines which have background
a ..= "padding-bottom: 1px; "
elseif (translated_ID == FOLDED_ID || translated_ID == LINENR_ID || translated_ID == FOLD_C_ID) && !empty(settings.prevent_copy)
# input elements default to a different color than the rest of the page
a ..= "background-color: " .. bgc .. "; "
endif
endif
if synIDattr(translated_ID, "bold") == '1' | a ..= "font-weight: bold; " | endif
if synIDattr(translated_ID, "italic") == '1' | a ..= "font-style: italic; " | endif
if synIDattr(translated_ID, "underline") == '1' | a ..= "text-decoration: underline; " | endif
return a
enddef
if settings.dynamic_folds
# compares two folds as stored in our list of folds
# A fold is "less" than another if it starts at an earlier line number,
# or ends at a later line number, ties broken by fold level
def FoldCompare(f1: dict<any>, f2: dict<any>): number
if f1.firstline != f2.firstline
# put it before if it starts earlier
return f1.firstline - f2.firstline
elseif f1.lastline != f2.lastline
# put it before if it ends later
return f2.lastline - f1.lastline
else
# if folds begin and end on the same lines, put lowest fold level first
return f1.level - f2.level
endif
enddef
endif
# Set some options to make it work faster.
# Don't report changes for :substitute, there will be many of them.
# Don't change other windows; turn off scroll bind temporarily
var old_title = &title
var old_icon = &icon
var old_et = &l:et
var old_bind = &l:scrollbind
var old_report = &report
var old_search = @/
var old_more = &more
set notitle noicon
setlocal et
set nomore
set report=1000000
setlocal noscrollbind
var current_syntax: string
if exists(':ownsyntax') == 2 && exists('w:current_syntax')
current_syntax = w:current_syntax
elseif exists('b:current_syntax')
current_syntax = b:current_syntax
else
current_syntax = 'none'
endif
if current_syntax == ''
current_syntax = 'none'
endif
# If the user is sourcing this script directly then the plugin version isn't
# known because the main plugin script didn't load. In the usual case where the
# user still has the full Vim runtime installed, or has this full plugin
# installed in a package or something, then we can extract the version from the
# main plugin file at it's usual spot relative to this file. Otherwise the user
# is assembling their runtime piecemeal and we have no idea what versions of
# other files may be present so don't even try to make a guess or assume the
# presence of other specific files with specific meaning.
#
# We don't want to actually source the main plugin file here because the user
# may have a good reason not to (e.g. they define their own TOhtml command or
# something).
#
# If this seems way too complicated and convoluted, it is. Probably I should
# have put the version information in the autoload file from the start. But the
# version has been in the global variable for so long that changing it could
# break a lot of user scripts.
var pluginversion: string
if exists("g:loaded_2html_plugin")
pluginversion = g:loaded_2html_plugin
else
if !exists("g:unloaded_tohtml_plugin")
var main_plugin_path = expand("<sfile>:p:h:h") .. "/plugin/tohtml.vim"
if filereadable(main_plugin_path)
var plugin_lines = readfile(main_plugin_path, "", 20)
filter(plugin_lines, (_, val) => val =~ "loaded_2html_plugin = ")
if empty(plugin_lines)
g:unloaded_tohtml_plugin = "unknown"
else
g:unloaded_tohtml_plugin = substitute(plugin_lines[0], '.*loaded_2html_plugin = \([''"]\)\(\%(\1\@!.\)\+\)\1', '\2', '')
endif
else
g:unloaded_tohtml_plugin = "unknown"
endif
endif
pluginversion = g:unloaded_tohtml_plugin
endif
# Split window to create a buffer with the HTML file.
var orgbufnr = winbufnr(0)
var origwin_stl = &l:stl
if expand("%") == ""
if exists('g:html_diff_win_num')
execute 'new Untitled_win' .. g:html_diff_win_num .. '.' .. (settings.use_xhtml ? 'xhtml' : 'html')
else
execute 'new Untitled.' .. (settings.use_xhtml ? 'xhtml' : 'html')
endif
else
execute 'new %.' .. (settings.use_xhtml ? 'xhtml' : 'html')
endif
# Resize the new window to very small in order to make it draw faster
var old_winheight = winheight(0)
var old_winfixheight = &l:winfixheight
if old_winheight > 2
resize 1 # leave enough room to view one line at a time
norm! G
norm! zt
endif
setlocal winfixheight
var newwin_stl = &l:stl
# on the new window, set the least time-consuming fold method
var old_fen = &foldenable
setlocal foldmethod=manual
setlocal nofoldenable
var newwin = winnr()
var orgwin = bufwinnr(orgbufnr)
setlocal modifiable
:%d
var old_paste = &paste
set paste
var old_magic = &magic
set magic
# set the fileencoding to match the charset we'll be using
&l:fileencoding = settings.vim_encoding
# According to http://www.w3.org/TR/html4/charset.html#doc-char-set, the byte
# order mark is highly recommend on the web when using multibyte encodings. But,
# it is not a good idea to include it on UTF-8 files. Otherwise, let Vim
# determine when it is actually inserted.
if settings.vim_encoding == 'utf-8'
setlocal nobomb
else
setlocal bomb
endif
var lines = []
var tag_close: string
if settings.use_xhtml
if settings.encoding != ""
add(lines, "<?xml version=\"1.0\" encoding=\"" .. settings.encoding .. "\"?>")
else
add(lines, "<?xml version=\"1.0\"?>")
endif
tag_close = ' />'
else
tag_close = '>'
endif
var HtmlSpace = ' '
var LeadingSpace = ' '
var HtmlEndline = ''
if settings.no_pre
HtmlEndline = '<br' .. tag_close
LeadingSpace = settings.use_xhtml ? '&#160;' : '&nbsp;'
HtmlSpace = '\' .. LeadingSpace
endif
# HTML header, with the title and generator ;-). Left free space for the CSS,
# to be filled at the end.
if !settings.no_doc
extend(lines, [
"<html>",
"<head>"])
# include encoding as close to the top as possible, but only if not already
# contained in XML information (to avoid haggling over content type)
if settings.encoding != "" && !settings.use_xhtml
if html5
add(lines, '<meta charset="' .. settings.encoding .. '"' .. tag_close)
else
add(lines, "<meta http-equiv=\"content-type\" content=\"text/html; charset=" .. settings.encoding .. '"' .. tag_close)
endif
endif
extend(lines, [
("<title>" .. expand("%:p:~") .. "</title>"),
($'<meta name="Generator" content="Vim/{v:version / 100}.{v:version % 100}"{tag_close}'),
("<meta name=\"plugin-version\" content=\"" .. pluginversion .. '"' .. tag_close)
])
add(lines, '<meta name="syntax" content="' .. current_syntax .. '"' .. tag_close)
add(lines, '<meta name="settings" content="' ..
join(filter(keys(settings), (_, k) => {
var v = settings[k]
if type(v) == v:t_number
return v != 0
elseif type(v) == v:t_bool
return !empty(v)
else
return false
endif
}), ',') ..
',prevent_copy=' .. settings.prevent_copy ..
',use_input_for_pc=' .. settings.use_input_for_pc ..
'"' .. tag_close)
add(lines, '<meta name="colorscheme" content="' ..
(exists('g:colors_name')
? g:colors_name
: 'none') .. '"' .. tag_close)
if settings.use_css
extend(lines, [
"<style" .. (html5 ? "" : " type=\"text/css\"") .. ">",
settings.use_xhtml ? "" : "<!--"])
var ieonly: list<string> = []
if settings.dynamic_folds
if settings.hover_unfold
# if we are doing hover_unfold, use css 2 with css 1 fallback for IE6
extend(lines, [
".FoldColumn { text-decoration: none; white-space: pre; }",
"",
"body * { margin: 0; padding: 0; }", "",
".open-fold > span.Folded { display: none; }",
".open-fold > .fulltext { display: inline; }",
".closed-fold > .fulltext { display: none; }",
".closed-fold > span.Folded { display: inline; }",
"",
".open-fold > .toggle-open { display: none; }",
".open-fold > .toggle-closed { display: inline; }",
".closed-fold > .toggle-open { display: inline; }",
".closed-fold > .toggle-closed { display: none; }",
"", "",
'/* opening a fold while hovering won''t be supported by IE6 and other',
"similar browsers, but it should fail gracefully. */",
".closed-fold:hover > .fulltext { display: inline; }",
".closed-fold:hover > .toggle-filler { display: none; }",
".closed-fold:hover > .Folded { display: none; }"])
# TODO: IE6 is REALLY old and I can't even test it anymore. Maybe we
# should remove this? Leave it in for now, it was working at one point,
# and doesn't affect any modern browsers. Even newer IE versions should
# support the above code and ignore the following.
ieonly = [
"<!--[if lt IE 7]><style type=\"text/css\">",
".open-fold .fulltext { display: inline; }",
".open-fold span.Folded { display: none; }",
".open-fold .toggle-open { display: none; }",
".open-fold .toggle-closed { display: inline; }",
"",
".closed-fold .fulltext { display: none; }",
".closed-fold span.Folded { display: inline; }",
".closed-fold .toggle-open { display: inline; }",
".closed-fold .toggle-closed { display: none; }",
"</style>",
"<![endif]-->",
]
else
# if we aren't doing hover_unfold, use CSS 1 only
extend(lines, [
".FoldColumn { text-decoration: none; white-space: pre; }",
".open-fold .fulltext { display: inline; }",
".open-fold span.Folded { display: none; }",
".open-fold .toggle-open { display: none; }",
".open-fold .toggle-closed { display: inline; }",
"",
".closed-fold .fulltext { display: none; }",
".closed-fold span.Folded { display: inline; }",
".closed-fold .toggle-open { display: inline; }",
".closed-fold .toggle-closed { display: none; }",
])
endif
endif
# else we aren't doing any dynamic folding, no need for any special rules
extend(lines, [
settings.use_xhtml ? "" : '-->',
"</style>",
])
extend(lines, ieonly)
endif
var uses_script = settings.dynamic_folds || settings.line_ids
# insert script tag if needed
if uses_script
extend(lines, [
"",
"<script" .. (html5 ? "" : " type='text/javascript'") .. ">",
settings.use_xhtml ? '//<![CDATA[' : "<!--"])
endif
# insert javascript to toggle folds open and closed
if settings.dynamic_folds
extend(lines, [
"",
"function toggleFold(objID)",
"{",
" var fold;",
" fold = document.getElementById(objID);",
" if (fold.className == 'closed-fold')",
" {",
" fold.className = 'open-fold';",
" }",
" else if (fold.className == 'open-fold')",
" {",
" fold.className = 'closed-fold';",
" }",
"}"
])
endif
if settings.line_ids
# insert javascript to get IDs from line numbers, and to open a fold before
# jumping to any lines contained therein
extend(lines, [
"",
"/* function to open any folds containing a jumped-to line before jumping to it */",
"function JumpToLine()",
"{",
" var lineNum;",
" lineNum = window.location.hash;",
" lineNum = lineNum.substr(1); /* strip off '#' */",
"",
" if (lineNum.indexOf('L') == -1) {",
" lineNum = 'L'+lineNum;",
" }",
" var lineElem = document.getElementById(lineNum);"
])
if settings.dynamic_folds
extend(lines, [
"",
" /* navigate upwards in the DOM tree to open all folds containing the line */",
" var node = lineElem;",
" while (node && node.id != 'vimCodeElement" .. settings.id_suffix .. "')",
" {",
" if (node.className == 'closed-fold')",
" {",
" node.className = 'open-fold';",
" }",
" node = node.parentNode;",
" }",
])
endif
extend(lines, [
" /* Always jump to new location even if the line was hidden inside a fold, or",
" * we corrected the raw number to a line ID.",
" */",
" if (lineElem) {",
" lineElem.scrollIntoView(true);",
" }",
" return true;",
"}",
"if ('onhashchange' in window) {",
" window.onhashchange = JumpToLine;",
"}"
])
endif
# insert script closing tag if needed
if uses_script
extend(lines, [
'',
settings.use_xhtml ? '//]]>' : '-->',
"</script>"
])
endif
extend(lines, ["</head>",
"<body" .. (settings.line_ids ? " onload='JumpToLine();'" : "") .. ">"])
endif
if settings.no_pre
# if we're not using CSS we use a font tag which can't have a div inside
if settings.use_css
extend(lines, ["<div id='vimCodeElement" .. settings.id_suffix .. "'>"])
endif
else
extend(lines, ["<pre id='vimCodeElement" .. settings.id_suffix .. "'>"])
endif
execute $":{orgwin}wincmd w"
# caches of style data
# initialize to include line numbers if using them
var stylelist: dict<string>
if settings.number_lines
stylelist = { [LINENR_ID]: ".LineNr { " .. CSS1(LINENR_ID) .. "}" }
else
stylelist = {}
endif
var diffstylelist: dict<string> = {
[DIFF_A_ID]: ".DiffAdd { " .. CSS1(DIFF_A_ID) .. "}",
[DIFF_C_ID]: ".DiffChange { " .. CSS1(DIFF_C_ID) .. "}",
[DIFF_D_ID]: ".DiffDelete { " .. CSS1(DIFF_D_ID) .. "}",
[DIFF_T_ID]: ".DiffText { " .. CSS1(DIFF_T_ID) .. "}"
}
var last_colors_name: string
# set up progress bar in the status line
# ProgressBar Indicator
# Progressbar specific functions
def SetProgbarColor()
if hlID("TOhtmlProgress") != 0
hi! link TOhtmlProgress_auto TOhtmlProgress
elseif hlID("TOhtmlProgress_auto") == 0 ||
last_colors_name == null_string || !exists("g:colors_name") ||
g:colors_name != last_colors_name
last_colors_name = exists("g:colors_name") ? g:colors_name : "none"
var diffatr = synIDattr(synIDtrans(hlID("DiffDelete")), "reverse", whatterm) == '1' ? "fg#" : "bg#"
var stlatr = synIDattr(synIDtrans(hlID("StatusLine")), "reverse", whatterm) == '1' ? "fg#" : "bg#"
var progbar_color = synIDattr(synIDtrans(hlID("DiffDelete")), diffatr, whatterm)
var stl_color = synIDattr(synIDtrans(hlID("StatusLine")), stlatr, whatterm)
if empty(progbar_color)
progbar_color = synIDattr(synIDtrans(hlID("DiffDelete")), "reverse", whatterm) == '1' ? fgc : bgc
endif
if empty(stl_color)
stl_color = synIDattr(synIDtrans(hlID("StatusLine")), "reverse", whatterm) == '1' ? fgc : bgc
endif
if progbar_color == stl_color
if whatterm == 'cterm'
var nr = str2nr(progbar_color)
if nr >= (str2nr(&t_Co) / 2)
nr -= 1
else
nr += 1
endif
progbar_color = string(nr)
else
var rgb = map(matchlist(progbar_color, '#\zs\x\x\ze\(\x\x\)\(\x\x\)')[: 2], (_, v) => str2nr(v, 16))
var avg = (rgb[0] + rgb[1] + rgb[2]) / 3
if avg >= 128
var avg_new = avg
while avg - avg_new < 0x15
rgb = map(rgb, (_, v) => v * 3 / 4)
avg_new = (rgb[0] + rgb[1] + rgb[2]) / 3
endwhile
else
var avg_new = avg
while avg_new - avg < 0x15
rgb = map(rgb, (_, v) => min([max([v, 4]) * 5 / 4, 255]))
avg_new = (rgb[0] + rgb[1] + rgb[2]) / 3
endwhile
endif
progbar_color = printf("#%02x%02x%02x", rgb[0], rgb[1], rgb[2])
endif
echomsg "diff detected progbar color set to" progbar_color
endif
execute "hi TOhtmlProgress_auto" whatterm .. "bg=" .. progbar_color
endif
enddef
class ProgressBar #{{{
public var title: string
public var max_value: number
public var winnr: number
public var cur_value: number = 0
public var items: dict<any>
public var last_value: number = 0
public var needs_redraw: number = 0
public var pb_len: number = 0
public var max_len: number = 0
public var progress_ticks: list<number> = []
var subtractedlen: number
def new(title: string, max_value: number, winnr: number)
this.title = title .. ' '
this.max_value = max_value
this.winnr = winnr
this.items = {
'title': { 'color': 'Statusline' },
'bar': { 'color': 'Statusline', 'fillcolor': 'TOhtmlProgress_auto', 'bg': 'Statusline' },
'counter': { 'color': 'Statusline' }
}
# Note that you must use len(split) instead of len() if you want to use
# unicode in title.
#
# Subtract 3 for spacing around the title.
# Subtract 4 for the percentage display.
# Subtract 2 for spacing before this.
# Subtract 2 more for the '|' on either side of the progress bar
this.subtractedlen = len(split(this.title, '\zs')) + 3 + 4 + 2 + 2
set laststatus=2
enddef
def Paint()
# Recalculate widths.
var max_len = winwidth(this.winnr)
var pb_len = 0
var cur_value: number
def CalculateTicks(len: number)
if len <= 0
pb_len = 100
else
pb_len = len
endif
this.progress_ticks = range(pb_len + 1)->map((_, v) => v * this.max_value / pb_len)
enddef
# always true on first call because of initial value of this.max_len
if max_len != this.max_len
this.max_len = max_len
# Progressbar length
pb_len = max_len - this.subtractedlen
CalculateTicks(pb_len)
this.needs_redraw = 1
cur_value = 0
this.pb_len = pb_len
else
# start searching at the last found index to make the search for the
# appropriate tick value normally take 0 or 1 comparisons
cur_value = this.last_value
pb_len = this.pb_len
endif
var cur_val_max = pb_len > 0 ? pb_len : 100
# find the current progress bar position based on precalculated thresholds
while cur_value < cur_val_max && this.cur_value > this.progress_ticks[cur_value]
cur_value += 1
endwhile
# update progress bar
if this.last_value != cur_value || this.needs_redraw || this.cur_value == this.max_value
this.needs_redraw = 1
this.last_value = cur_value
var t_color = this.items.title.color
var b_fcolor = this.items.bar.fillcolor
var b_color = this.items.bar.color
var c_color = this.items.counter.color
var stl = $"%#{t_color}#%-( {this.title} %)%#{b_color}#" ..
(pb_len > 0 ? $'|%#{b_fcolor}#%-({repeat(" ", cur_value)}%)%#{b_color}#{repeat(" ", pb_len - cur_value)}|' : (''))
.. $"%=%#{c_color}#%( {printf("%3.d ", 100 * this.cur_value / this.max_value)}%% %)"
setwinvar(this.winnr, '&stl', stl)
endif
enddef
def Incr(delta: number = 1)
this.cur_value += delta
# if we were making a general-purpose progress bar, we'd need to limit to a
# lower limit as well, but since we always increment with a positive value
# in this script, we only need limit the upper value
this.cur_value = (this.cur_value > this.max_value ? this.max_value : this.cur_value)
this.Paint()
enddef
endclass #}}}
var pgb: ProgressBar
if !settings.no_progress
if settings.dynamic_folds
# to process folds we make two passes through each line
pgb = ProgressBar.new("Processing folds:", line('$') * 2, orgwin)
endif
SetProgbarColor()
endif
var build_fun_lines: list<string>
build_fun_lines =<< trim ENDLET
def Add_diff_fill(_lnum: number)
var filler = diff_filler(_lnum)
if filler > 0
var to_insert = filler
while to_insert > 0
var new = repeat(difffillchar, 3)
if to_insert > 2 && to_insert < filler && !settings.whole_filler
new = new .. " " .. filler .. " inserted lines "
to_insert = 2
endif
ENDLET
if !settings.no_pre
trim_tmp =<< trim ENDLET
# HTML line wrapping is off--go ahead and fill to the margin
# TODO: what about when CSS wrapping is turned on?
new = new .. repeat(difffillchar, &columns - strlen(new) - margin)
ENDLET
build_fun_lines += trim_tmp
else
trim_tmp =<< trim ENDLET
new = new .. repeat(difffillchar, 3)
ENDLET
build_fun_lines += trim_tmp
endif
trim_tmp =<< trim ENDLET
new = HtmlFormat_d(new, DIFF_D_ID, 0)
ENDLET
build_fun_lines += trim_tmp
if settings.number_lines
trim_tmp =<< trim ENDLET
# Indent if line numbering is on. Indent gets style of line number
# column.
new = HtmlFormat_n(repeat(' ', margin), LINENR_ID, 0, 0) .. new
ENDLET
build_fun_lines += trim_tmp
endif
if settings.dynamic_folds && !settings.no_foldcolumn
trim_tmp =<< trim ENDLET
if foldcolumn > 0
# Indent for foldcolumn if there is one. Assume it's empty, there should
# not be a fold for deleted lines in diff mode.
new = FoldColumn_fill() .. new
endif
ENDLET
build_fun_lines += trim_tmp
endif
# Ignore this comment, just bypassing a highlighting issue: if
trim_tmp =<< trim ENDLET
add(lines, new .. HtmlEndline)
to_insert -= 1
endwhile
endif
enddef
ENDLET
build_fun_lines += trim_tmp
execute join(build_fun_lines, "\n")
# First do some preprocessing for dynamic folding. Do this for the entire file
# so we don't accidentally start within a closed fold or something.
var allfolds: list<any> = []
var foldcolumn: number
if settings.dynamic_folds
def ProcessFolds()
lnum = 1
end = line('$')
# save the fold text and set it to the default so we can find fold levels
var foldtext_save = &foldtext
setlocal foldtext&
# we will set the foldcolumn in the html to the greater of the maximum fold
# level and the current foldcolumn setting
foldcolumn = &foldcolumn
# get all info needed to describe currently closed folds
while lnum <= end
if foldclosed(lnum) == lnum
# default fold text has '+-' and then a number of dashes equal to fold
# level, so subtract 2 from index of first non-dash after the dashes
# in order to get the fold level of the current fold
var level = match(foldtextresult(lnum), '+-*\zs[^-]') - 2
# store fold info for later use
var newfold = {firstline: lnum, lastline: foldclosedend(lnum), level: level, type: "closed-fold"}
add(allfolds, newfold)
# open the fold so we can find any contained folds
execute $":{lnum}foldopen"
else
if !settings.no_progress
pgb.Incr()
if pgb.needs_redraw
redrawstatus
pgb.needs_redraw = 0
endif
endif
lnum = lnum + 1
endif
endwhile
# close all folds to get info for originally open folds
silent! :%foldclose!
lnum = 1
# the originally open folds will be all folds we encounter that aren't
# already in the list of closed folds
while lnum <= end
if foldclosed(lnum) == lnum
# default fold text has '+-' and then a number of dashes equal to fold
# level, so subtract 2 from index of first non-dash after the dashes
# in order to get the fold level of the current fold
var level = match(foldtextresult(lnum), '+-*\zs[^-]') - 2
var newfold = {firstline: lnum, lastline: foldclosedend(lnum), level: level, type: "closed-fold"}
# only add the fold if we don't already have it
if empty(allfolds) || index(allfolds, newfold) == -1
newfold.type = "open-fold"
add(allfolds, newfold)
endif
# open the fold so we can find any contained folds
execute $":{lnum}foldopen"
else
if !settings.no_progress
pgb.Incr()
if pgb.needs_redraw
redrawstatus
pgb.needs_redraw = 0
endif
endif
lnum = lnum + 1
endif
endwhile
# sort the folds so that we only ever need to look at the first item in the
# list of folds
sort(allfolds, FoldCompare)
&l:foldtext = foldtext_save
# close all folds again so we can get the fold text as we go
silent! :%foldclose!
# Go through and remove folds we don't need to (or cannot) process in the
# current conversion range
#
# If a fold is removed which contains other folds, which are included, we need
# to adjust the level of the included folds as used by the conversion logic
# (avoiding special cases is good)
#
# Note any time we remove a fold, either all of the included folds are in it,
# or none of them, because we only remove a fold if neither its start nor its
# end are within the conversion range.
var leveladjust = 0
for afold in allfolds
var removed = 0
if exists("g:html_start_line") && exists("g:html_end_line")
if afold.firstline < g:html_start_line
if afold.lastline <= g:html_end_line && afold.lastline >= g:html_start_line
# if a fold starts before the range to convert but stops within the
# range, we need to include it. Make it start on the first converted
# line.
afold.firstline = g:html_start_line
else
# if the fold lies outside the range or the start and stop enclose
# the entire range, don't bother parsing it
remove(allfolds, index(allfolds, afold))
removed = 1
if afold.lastline > g:html_end_line
leveladjust += 1
endif
endif
elseif afold.firstline > g:html_end_line
# If the entire fold lies outside the range we need to remove it.
remove(allfolds, index(allfolds, afold))
removed = 1
endif
elseif exists("g:html_start_line")
if afold.firstline < g:html_start_line
# if there is no last line, but there is a first line, the end of the
# fold will always lie within the region of interest, so keep it
afold.firstline = g:html_start_line
endif
elseif exists("g:html_end_line")
# if there is no first line we default to the first line in the buffer so
# the fold start will always be included if the fold itself is included.
# If however the entire fold lies outside the range we need to remove it.
if afold.firstline > g:html_end_line
remove(allfolds, index(allfolds, afold))
removed = 1
endif
endif
if !removed
afold.level -= leveladjust
if afold.level + 1 > foldcolumn
foldcolumn = afold.level + 1
endif
endif
endfor
# if we've removed folds containing the conversion range from processing,
# getting foldtext as we go won't know to open the removed folds, so the
# foldtext would be wrong; open them now.
#
# Note that only when a start and an end line is specified will a fold
# containing the current range ever be removed.
while leveladjust > 0
execute $":{g:html_start_line}foldopen"
leveladjust -= 1
endwhile
enddef
ProcessFolds()
endif
# Now loop over all lines in the original text to convert to html.
# Use html_start_line and html_end_line if they are set.
if exists("g:html_start_line")
lnum = g:html_start_line
if lnum < 1 || lnum > line("$")
lnum = 1
endif
else
lnum = 1
endif
if exists("g:html_end_line")
end = g:html_end_line
if end < lnum || end > line("$")
end = line("$")
endif
else
end = line("$")
endif
# stack to keep track of all the folds containing the current line
var foldstack: list<any> = []
if !settings.no_progress
pgb = ProgressBar.new("Processing lines:", end - lnum + 1, orgwin)
endif
var margin: number
if settings.number_lines
margin = strlen(end) + 1
else
margin = 0
endif
var foldfillchar: string
var charidx: number
if has('folding') && !settings.ignore_folding
charidx = matchend(&fillchars, 'fold:')
if charidx >= 0
foldfillchar = &fillchars[charidx(&fillchars, charidx)]
endif
if foldfillchar->empty()
foldfillchar = '-'
endif
endif
var difffillchar: string
charidx = matchend(&fillchars, 'diff:')
if charidx >= 0
difffillchar = &fillchars[charidx(&fillchars, charidx)]
endif
if difffillchar->empty()
difffillchar = '-'
endif
var foldId = 0
var old_isprint: string
if !settings.expand_tabs
# If keeping tabs, add them to printable characters so we keep them when
# formatting text (strtrans() doesn't replace printable chars)
old_isprint = &isprint
setlocal isprint+=9
endif
def ProcessLines()
var all_lines = getline(lnum, end)
var start_lnum = lnum
while lnum <= end
# If there are filler lines for diff mode, show these above the line.
Add_diff_fill(lnum)
# Start the line with the line number.
var numcol: string
if settings.number_lines
numcol = repeat(' ', margin - 1 - strlen(lnum)) .. lnum .. ' '
endif
var new: string
if has('folding') && !settings.ignore_folding && foldclosed(lnum) > -1 && !settings.dynamic_folds
#
# This is the beginning of a folded block (with no dynamic folding)
new = foldtextresult(lnum)
if !settings.no_pre
# HTML line wrapping is off--go ahead and fill to the margin
new ..= repeat(foldfillchar, &columns - strlen(new))
endif
# put numcol in a separate group for sake of unselectable text
new = (settings.number_lines ? HtmlFormat_n(numcol, FOLDED_ID, 0, lnum) : "") .. HtmlFormat_t(new, FOLDED_ID, 0)
# Skip to the end of the fold
var new_lnum = foldclosedend(lnum)
if !settings.no_progress
pgb.Incr(new_lnum - lnum)
endif
lnum = new_lnum
else
#
# A line that is not folded, or doing dynamic folding.
#
var line = all_lines[lnum - start_lnum]
var len = strlen(line)
if settings.dynamic_folds
# First insert a closing for any open folds that end on this line
while !empty(foldstack) && get(foldstack, 0).lastline == lnum - 1
new ..= "</span></span>"
remove(foldstack, 0)
endwhile
# Now insert an opening for any new folds that start on this line
var firstfold = 1
while !empty(allfolds) && get(allfolds, 0).firstline == lnum
foldId = foldId + 1
new ..= "<span id='"
new ..= (exists('g:html_diff_win_num') ? "win" .. g:html_diff_win_num : "")
new ..= "fold" .. foldId .. settings.id_suffix .. "' class='" .. allfolds[0].type .. "'>"
# Unless disabled, add a fold column for the opening line of a fold.
#
# Note that dynamic folds require using css so we just use css to take
# care of the leading spaces rather than using &nbsp; in the case of
# html_no_pre to make it easier
if !settings.no_foldcolumn
# add fold column that can open the new fold
if allfolds[0].level > 1 && firstfold
new ..= FoldColumn_build('|', allfolds[0].level - 1, 0, "",
'toggle-open FoldColumn', 'javascript:toggleFold("fold' .. foldstack[0].id .. settings.id_suffix .. '");')
endif
# add the filler spaces separately from the '+' char so that it can be
# shown/hidden separately during a hover unfold
new ..= FoldColumn_build("+", 1, 0, "",
'toggle-open FoldColumn', 'javascript:toggleFold("fold' .. foldId .. settings.id_suffix .. '");')
# If this is not the last fold we're opening on this line, we need
# to keep the filler spaces hidden if the fold is opened by mouse
# hover. If it is the last fold to open in the line, we shouldn't hide
# them, so don't apply the toggle-filler class.
new ..= FoldColumn_build(" ", 1, foldcolumn - allfolds[0].level - 1, "",
'toggle-open FoldColumn' .. (get(allfolds, 1, {firstline: 0}).firstline == lnum ? " toggle-filler" : ""),
'javascript:toggleFold("fold' .. foldId .. settings.id_suffix .. '");')
# add fold column that can close the new fold
# only add extra blank space if we aren't opening another fold on the
# same line
var extra_space: number
if get(allfolds, 1, {firstline: 0}).firstline != lnum
extra_space = foldcolumn - allfolds[0].level
else
extra_space = 0
endif
if firstfold
# the first fold in a line has '|' characters from folds opened in
# previous lines, before the '-' for this fold
new ..= FoldColumn_build('|', allfolds[0].level - 1, extra_space, '-',
'toggle-closed FoldColumn', 'javascript:toggleFold("fold' .. foldId .. settings.id_suffix .. '");')
else
# any subsequent folds in the line only add a single '-'
new ..= FoldColumn_build("-", 1, extra_space, "",
'toggle-closed FoldColumn', 'javascript:toggleFold("fold' .. foldId .. settings.id_suffix .. '");')
endif
firstfold = 0
endif
# Add fold text, moving the span ending to the next line so collapsing
# of folds works correctly.
# Put numcol in a separate group for sake of unselectable text.
new ..= (settings.number_lines ? HtmlFormat_n(numcol, FOLDED_ID, 0, 0) : "") .. substitute(HtmlFormat_t(foldtextresult(lnum), FOLDED_ID, 0), '</span>', HtmlEndline .. '\n\0', '')
new ..= "<span class='fulltext'>"
# open the fold now that we have the fold text to allow retrieval of
# fold text for subsequent folds
execute $":{lnum}foldopen"
insert(foldstack, remove(allfolds, 0), 0)
foldstack[0].id = foldId
endwhile
# Unless disabled, add a fold column for other lines.
#
# Note that dynamic folds require using css so we just use css to take
# care of the leading spaces rather than using &nbsp; in the case of
# html_no_pre to make it easier
if !settings.no_foldcolumn
if empty(foldstack)
# add the empty foldcolumn for unfolded lines if there is a fold
# column at all
if foldcolumn > 0
new = new .. FoldColumn_fill()
endif
else
# add the fold column for folds not on the opening line
if get(foldstack, 0).firstline < lnum
new = new .. FoldColumn_build('|', foldstack[0].level, foldcolumn - foldstack[0].level, "",
'FoldColumn', 'javascript:toggleFold("fold' .. foldstack[0].id .. settings.id_suffix .. '");')
endif
endif
endif
endif
# Now continue with the unfolded line text
if settings.number_lines
new ..= HtmlFormat_n(numcol, LINENR_ID, 0, lnum)
elseif settings.line_ids
new ..= HtmlFormat_n("", LINENR_ID, 0, lnum)
endif
# Get the diff attribute, if any.
var diffattr = diff_hlID(lnum, 1)
# initialize conceal info to act like not concealed, just in case
var concealinfo = [0, '']
# Loop over each character in the line
var col = 1
# most of the time we won't use the diff_id, initialize to zero
var diff_id = 0
while col <= len || (col == 1 && diffattr != 0)
var id: number
var startcol = col # The start column for processing text
if !settings.ignore_conceal && has('conceal')
concealinfo = synconcealed(lnum, col)
endif
if !settings.ignore_conceal && concealinfo[0]
col = col + 1
# Speed loop (it's small - that's the trick)
# Go along till we find a change in the match sequence number (ending
# the specific concealed region) or until there are no more concealed
# characters.
while col <= len && concealinfo == synconcealed(lnum, col) | col = col + 1 | endwhile
elseif diffattr != 0
diff_id = diff_hlID(lnum, col)
id = synID(lnum, col, 1)
col = col + 1
# Speed loop (it's small - that's the trick)
# Go along till we find a change in hlID
while col <= len && id == synID(lnum, col, 1) && diff_id == diff_hlID(lnum, col)
col = col + 1
endwhile
if len < &columns && !settings.no_pre
# Add spaces at the end of the raw text line to extend the changed
# line to the full width.
line = line .. repeat(' ', &columns - virtcol([lnum, len]) - margin)
len = &columns
endif
else
id = synID(lnum, col, 1)
col = col + 1
# Speed loop (it's small - that's the trick)
# Go along till we find a change in synID
while col <= len && id == synID(lnum, col, 1) | col = col + 1 | endwhile
endif
var expandedtab: string
if settings.ignore_conceal || !concealinfo[0]
# Expand tabs if needed
expandedtab = strpart(line, startcol - 1, col - startcol)
if settings.expand_tabs
var offset = 0
var idx = stridx(expandedtab, "\t")
var tablist = mapnew(split(&vts, ','), (_, v) => str2nr(v))
if empty(tablist)
tablist = [&ts]
endif
var tabidx = 0
var tabwidth = 0
var i: number
while idx >= 0
if startcol + idx == 1
i = tablist[0]
else
# Get the character, which could be multiple bytes, which falls
# immediately before the found tab. Extract it by matching a
# character just prior to the column where the tab matches.
# We'll use this to get the byte index of the character
# immediately preceding the tab, so we can then look up the
# virtual column that character appears in, to determine how
# much of the current tabstop has been used up.
var prevc: string
if idx == 0
# if the found tab is the first character in the text being
# processed, we need to get the character prior to the text,
# given by startcol.
prevc = matchstr(line, '.\%' .. (startcol + offset) .. 'c')
else
# Otherwise, the byte index of the tab into expandedtab is
# given by idx.
prevc = matchstr(expandedtab, '.\%' .. (idx + 1) .. 'c')
endif
var vcol = virtcol([lnum, startcol + idx + offset - len(prevc)])
# find the tabstop interval to use for the tab we just found. Keep
# adding tabstops (which could be variable) until we would exceed
# the virtual screen position of the start of the found tab.
while vcol >= tabwidth + tablist[tabidx]
tabwidth += tablist[tabidx]
if tabidx < len(tablist) - 1
tabidx = tabidx + 1
endif
endwhile
i = tablist[tabidx] - (vcol - tabwidth)
endif
# update offset to keep the index within the line corresponding to
# actual tab characters instead of replaced spaces; idx reflects
# replaced spaces in expandedtab, offset cancels out all but
# the tab character itself.
offset -= i - 1
expandedtab = substitute(expandedtab, '\t', repeat(' ', i), '')
idx = stridx(expandedtab, "\t")
endwhile
endif
# get the highlight group name to use
id = synIDtrans(id)
else
# use Conceal highlighting for concealed text
id = CONCEAL_ID
expandedtab = concealinfo[1]
endif
# Output the text with the same synID, with class set to the highlight ID
# name, unless it has been concealed completely.
if strlen(expandedtab) > 0
new = new .. HtmlFormat(expandedtab, id, diff_id, "", false)
endif
endwhile
endif
extend(lines, split(new .. HtmlEndline, '\n', 1))
if !settings.no_progress && pgb.needs_redraw
redrawstatus
pgb.needs_redraw = 0
endif
lnum = lnum + 1
if !settings.no_progress
pgb.Incr()
endif
endwhile
enddef
ProcessLines()
# Diff filler is returned based on what needs inserting *before* the given line.
# So to get diff filler at the end of the buffer, we need to use last line + 1
Add_diff_fill(end + 1)
if settings.dynamic_folds
# finish off any open folds
while !empty(foldstack)
lines[-1] ..= "</span></span>"
remove(foldstack, 0)
endwhile
# add fold column to the style list if not already there
var id = FOLD_C_ID
if !has_key(stylelist, id)
stylelist[id] = '.FoldColumn { ' .. CSS1(id) .. '}'
endif
endif
if settings.no_pre
if !settings.use_css
# Close off the font tag that encapsulates the whole <body>
extend(lines, ["</font>"])
else
extend(lines, ["</div>"])
endif
else
extend(lines, ["</pre>"])
endif
if !settings.no_doc
extend(lines, ["</body>", "</html>"])
endif
execute $":{newwin}wincmd w"
setline(1, lines)
# Mangle modelines so Vim doesn't try to use HTML text as a modeline if editing
# this file in the future; need to do this after generating all the text in case
# the modeline text has different highlight groups which all turn out to be
# stripped from the final output.
:%s!\v(%(^|\s+)%([Vv]i%(m%([<=>]?\d+)?)?|ex)):!\1\&#0058;!ge
# The generated HTML is admittedly ugly and takes a LONG time to fold.
# Make sure the user doesn't do syntax folding when loading a generated file,
# using a modeline.
if !settings.no_modeline
append(line('$'), "<!-- vim: set foldmethod=manual : -->")
endif
# Now, when we finally know which, we define the colors and styles
if settings.use_css && !settings.no_doc
:1;/<style\>/+1
# Normal/global attributes
if settings.no_pre
append('.', "body { color: " .. fgc .. "; background-color: " .. bgc .. "; font-family: " .. htmlfont .. "; }")
:+
else
append('.', "pre { " .. whitespace .. "font-family: " .. htmlfont .. "; color: " .. fgc .. "; background-color: " .. bgc .. "; }")
:+
yank
put
execute "normal! ^cwbody\e"
# body should not have the wrap formatting, only the pre section
if whitespace != ''
execute 's#' .. whitespace
endif
endif
# fix browser inconsistencies (sometimes within the same browser) of different
# default font size for different elements
append('.', '* { font-size: 1em; }')
:+
# use color scheme styles for links
# browser-default blue/purple colors for links don't look like the existing theme and are unreadable on dark backgrounds
append('.', 'a { color: inherit; }')
:+
# if we use any input elements for unselectable content, make sure they look
# like normal text
if !empty(settings.prevent_copy)
if settings.use_input_for_pc !=# "none"
append('.', 'input { border: none; margin: 0; padding: 0; font-family: ' .. htmlfont .. '; }')
:+
# ch units for browsers which support them, em units for a somewhat
# reasonable fallback.
for w in range(1, 20, 1)
append('.', [
"input[size='" .. w .. "'] { width: " .. w .. "em; width: " .. w .. "ch; }"
])
:+
endfor
endif
if settings.use_input_for_pc !=# 'all'
var unselectable_styles: list<string> = []
if settings.prevent_copy =~# 'f'
add(unselectable_styles, 'FoldColumn')
endif
if settings.prevent_copy =~# 'n'
add(unselectable_styles, 'LineNr')
endif
if settings.prevent_copy =~# 't' && !settings.ignore_folding
add(unselectable_styles, 'Folded')
endif
if settings.prevent_copy =~# 'd'
add(unselectable_styles, 'DiffDelete')
endif
if settings.use_input_for_pc !=# 'none'
append('.', [
'/* Note: IE does not support @supports conditionals, but also does not fully support',
' "content:" with custom content, so we *want* the check to fail */',
'@supports ( content: attr(data-custom-content) ) {'
])
:+3
endif
# The line number column inside the foldtext is styled just like the fold
# text in Vim, but it should use the prevent_copy settings of line number
# rather than fold text. Apply the prevent_copy styles to foldtext
# specifically for line numbers, which always come after the fold column,
# or at the beginning of the line.
if settings.prevent_copy =~# 'n' && !settings.ignore_folding
append('.', [
' .FoldColumn + .Folded, .Folded:first-child { user-select: none; }',
' .FoldColumn + [data-Folded-content]::before, [data-Folded-content]:first-child::before { content: attr(data-Folded-content); }',
' .FoldColumn + [data-Folded-content]::before, [data-Folded-content]:first-child::before { padding-bottom: 1px; display: inline-block; /* match the 1-px padding of standard items with background */ }',
' .FoldColumn + span[data-Folded-content]::before, [data-Folded-content]:first-child::before { cursor: default; }',
])
:+4
endif
for style_name in unselectable_styles
append('.', [
' .' .. style_name .. ' { user-select: none; }',
' [data-' .. style_name .. '-content]::before { content: attr(data-' .. style_name .. '-content); }',
' [data-' .. style_name .. '-content]::before { padding-bottom: 1px; display: inline-block; /* match the 1-px padding of standard items with background */ }',
' span[data-' .. style_name .. '-content]::before { cursor: default; }',
])
:+4
endfor
if settings.use_input_for_pc !=# 'none'
# Note, the extra '}' is to match the "@supports" above
append('.', [
' input { display: none; }',
'}'
])
:+2
endif
endif
# Fix mouse cursor shape for the fallback <input> method of uncopyable text
if settings.use_input_for_pc !=# 'none'
if settings.prevent_copy =~# 'f'
# Make the cursor show active fold columns as active areas, and empty fold
# columns as not interactive.
append('.', ['input.FoldColumn { cursor: pointer; }',
'input.FoldColumn[value="' .. repeat(' ', foldcolumn) .. '"] { cursor: default; }'
])
:+2
if settings.use_input_for_pc !=# 'all'
append('.', [
'a[data-FoldColumn-content="' .. repeat(' ', foldcolumn) .. '"] { cursor: default; }'
])
:+1
endif
endif
# make line number column show as non-interactive if not selectable
if settings.prevent_copy =~# 'n'
append('.', 'input.LineNr { cursor: default; }')
:+
endif
# make fold text and line number column within fold text show as
# non-interactive if not selectable
if (settings.prevent_copy =~# 'n' || settings.prevent_copy =~# 't') && !settings.ignore_folding
append('.', 'input.Folded { cursor: default; }')
:+
endif
# make diff filler show as non-interactive if not selectable
if settings.prevent_copy =~# 'd'
append('.', 'input.DiffDelete { cursor: default; }')
:+
endif
endif
endif
endif
if !settings.use_css && !settings.no_doc
# For Netscape 4, set <body> attributes too, though, strictly speaking, it's
# incorrect.
execute $':%s/<body\([^>]*\)/<body bgcolor="{bgc}" text="{fgc}"\1>\r<font face="{htmlfont}"'
endif
# Gather attributes for all other classes. Do diff first so that normal
# highlight groups are inserted before it.
if settings.use_css && !settings.no_doc
if diff_mode
append('.', filter(map(keys(diffstylelist), (_, k) => diffstylelist[k]), (_, v) => v != ""))
endif
if !empty(stylelist)
append('.', filter(map(keys(stylelist), (_, k) => stylelist[k]), (_, v) => v != ""))
endif
endif
# Add hyperlinks
if !settings.no_links
:%s+\(https\=://\S\{-}\)\(\([.,;:}]\=\(\s\|$\)\)\|[\\"'<>]\|&gt;\|&lt;\|&quot;\)+<a href="\1">\1</a>\2+ge
endif
# The DTD
if !settings.no_doc
if settings.use_xhtml
execute "normal! gg$a\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">"
elseif html5
execute "normal! gg0i<!DOCTYPE html>\n"
else
execute "normal! gg0i<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"
endif
endif
if settings.use_xhtml && !settings.no_doc
execute "normal! gg/<html/e\na xmlns=\"http://www.w3.org/1999/xhtml\"\e"
endif
# Cleanup
:%s/\s\+$//e
# Restore old settings (new window first)
#
# Don't bother restoring foldmethod in case it was syntax because the markup is
# so weirdly formatted it can take a LONG time.
&l:foldenable = old_fen
&report = old_report
&title = old_title
&icon = old_icon
&paste = old_paste
&magic = old_magic
@/ = old_search
&more = old_more
# switch to original window to restore those settings
execute $":{orgwin}wincmd w"
if !settings.expand_tabs
&l:isprint = old_isprint
endif
&l:stl = origwin_stl
&l:et = old_et
&l:scrollbind = old_bind
# and back to the new window again to end there
execute $":{newwin}wincmd w"
&l:stl = newwin_stl
execute 'resize' old_winheight
&l:winfixheight = old_winfixheight
&laststatus = ls_sav
&eventignore = ei_sav
# Make sure any patches will probably use consistent indent
# vim: ts=8 sw=2 sts=2 noet
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