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Tag: content model change |
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Revision as of 17:43, 7 June 2022
--[[
mw.text, modified for the Minetest Wiki.
Code released under the GPL v2+ as per:
https://github.com/wikimedia/mediawiki-extensions-Scribunto/blob/7d676c3/COPYING
@license GNU GPL v2+
@author Brad Jorsch < bjorsch@wikimedia.org >
@author "Mr. Stradivarius" < misterstrad@gmail.com >
@author MrIbby < siribby@outlook.com >
]]
local mwtext = {}
local php
local options
local util = require( 'Module:LibraryUtil' )
local checkType = util.checkType
local checkTypeForNamedArg = util.checkTypeForNamedArg
function mwtext.trim( s, charset )
charset = charset or '\t\r\n\f '
s = mw.ustring.gsub( s, '^[' .. charset .. ']*(.-)[' .. charset .. ']*$', '%1' )
return s
end
local htmlencode_map = {
['>'] = '>',
['<'] = '<',
['&'] = '&',
['"'] = '"',
["'"] = ''',
['\194\160'] = ' ',
}
local htmldecode_map = {}
for k, v in pairs( htmlencode_map ) do
htmldecode_map[v] = k
end
local decode_named_entities = nil
function mwtext.encode( s, charset )
charset = charset or '<>&"\'\194\160'
s = mw.ustring.gsub( s, '[' .. charset .. ']', function ( m )
if not htmlencode_map[m] then
local e = string.format( '&#%d;', mw.ustring.codepoint( m ) )
htmlencode_map[m] = e
htmldecode_map[e] = m
end
return htmlencode_map[m]
end )
return s
end
function mwtext.decode( s, decodeNamedEntities )
local dec
if decodeNamedEntities then
if decode_named_entities == nil then
decode_named_entities = php.getEntityTable()
setmetatable( decode_named_entities, { __index = htmldecode_map } )
end
dec = decode_named_entities
else
dec = htmldecode_map
end
-- string.gsub is safe here, because only ASCII chars are in the pattern
s = string.gsub( s, '(&(#?x?)([a-zA-Z0-9]+);)', function ( m, flg, name )
if not dec[m] then
local n = nil
if flg == '#' then
n = tonumber( name, 10 )
elseif flg == '#x' then
n = tonumber( name, 16 )
end
if n and n <= 0x10ffff then
n = mw.ustring.char( n )
if n then
htmldecode_map[m] = n
htmlencode_map[n] = m
end
end
end
return dec[m]
end )
return s
end
local nowikiRepl1 = {
['"'] = '"',
['&'] = '&',
["'"] = ''',
['<'] = '<',
['='] = '=',
['>'] = '>',
['['] = '[',
[']'] = ']',
['{'] = '{',
['|'] = '|',
['}'] = '}',
}
local nowikiRepl2 = {
["\n#"] = "\n#", ["\r#"] = "\r#",
["\n*"] = "\n*", ["\r*"] = "\r*",
["\n:"] = "\n:", ["\r:"] = "\r:",
["\n;"] = "\n;", ["\r;"] = "\r;",
["\n "] = "\n ", ["\r "] = "\r ",
["\n\n"] = "\n ", ["\r\n"] = " \n",
["\n\r"] = "\n ", ["\r\r"] = "\r ",
["\n\t"] = "\n	", ["\r\t"] = "\r	",
}
local nowikiReplMagic = {}
for sp, esc in pairs( {
[' '] = ' ',
['\t'] = '	',
['\r'] = ' ',
['\n'] = ' ',
['\f'] = '',
} ) do
nowikiReplMagic['ISBN' .. sp] = 'ISBN' .. esc
nowikiReplMagic['RFC' .. sp] = 'RFC' .. esc
nowikiReplMagic['PMID' .. sp] = 'PMID' .. esc
end
function mwtext.nowiki( s )
-- string.gsub is safe here, because we're only caring about ASCII chars
s = string.gsub( s, '["&\'<=>%[%]{|}]', nowikiRepl1 )
s = '\n' .. s
s = string.gsub( s, '[\r\n][#*:; \n\r\t]', nowikiRepl2 )
s = string.gsub( s, '([\r\n])%-%-%-%-', '%1----' )
s = string.sub( s, 2 )
s = string.gsub( s, '__', '__' )
s = string.gsub( s, '://', '://' )
s = string.gsub( s, 'ISBN%s', nowikiReplMagic )
s = string.gsub( s, 'RFC%s', nowikiReplMagic )
s = string.gsub( s, 'PMID%s', nowikiReplMagic )
for k, v in pairs( options.nowiki_protocols ) do
s = string.gsub( s, k, v )
end
return s
end
function mwtext.tag( name, attrs, content )
local named = false
if type( name ) == 'table' then
named = true
name, attrs, content = name.name, name.attrs, name.content
checkTypeForNamedArg( 'tag', 'name', name, 'string' )
checkTypeForNamedArg( 'tag', 'attrs', attrs, 'table', true )
else
checkType( 'tag', 1, name, 'string' )
checkType( 'tag', 2, attrs, 'table', true )
end
local ret = { '<' .. name }
for k, v in pairs( attrs or {} ) do
if type( k ) ~= 'string' then
error( "bad named argument attrs to 'tag' (keys must be strings, found " .. type( k ) .. ")", 2 )
end
if string.match( k, '[\t\r\n\f /<>"\'=]' ) then
error( "bad named argument attrs to 'tag' (invalid key '" .. k .. "')", 2 )
end
local tp = type( v )
if tp == 'boolean' then
if v then
ret[#ret+1] = ' ' .. k
end
elseif tp == 'string' or tp == 'number' then
ret[#ret+1] = string.format( ' %s="%s"', k, mwtext.encode( tostring( v ) ) )
else
error( "bad named argument attrs to 'tag' (value for key '" .. k .. "' may not be " .. tp .. ")", 2 )
end
end
local tp = type( content )
if content == nil then
ret[#ret+1] = '>'
elseif content == false then
ret[#ret+1] = ' />'
elseif tp == 'string' or tp == 'number' then
ret[#ret+1] = '>'
ret[#ret+1] = content
ret[#ret+1] = '</' .. name .. '>'
else
if named then
checkTypeForNamedArg( 'tag', 'content', content, 'string, number, nil, or false' )
else
checkType( 'tag', 3, content, 'string, number, nil, or false' )
end
end
return table.concat( ret )
end
function mwtext.unstrip( s )
return php.unstrip( s )
end
function mwtext.unstripNoWiki( s )
return php.unstripNoWiki( s )
end
function mwtext.killMarkers( s )
return php.killMarkers( s )
end
function mwtext.split( text, pattern, plain )
local ret = {}
for m in mwtext.gsplit( text, pattern, plain ) do
ret[#ret+1] = m
end
return ret
end
function mwtext.gsplit( text, pattern, plain )
local s, l = 1, mw.ustring.len( text )
return function ()
if s then
local e, n = mw.ustring.find( text, pattern, s, plain )
local ret
if not e then
ret = mw.ustring.sub( text, s )
s = nil
elseif n < e then
-- Empty separator!
ret = mw.ustring.sub( text, s, e )
if e < l then
s = e + 1
else
s = nil
end
else
ret = e > s and mw.ustring.sub( text, s, e - 1 ) or ''
s = n + 1
end
return ret
end
end, nil, nil
end
function mwtext.listToText( list, separator, conjunction )
separator = separator or options.comma
conjunction = conjunction or options['and']
local n = #list
local ret
if n > 1 then
ret = table.concat( list, separator, 1, n - 1 ) .. conjunction .. list[n]
else
ret = tostring( list[1] or '' )
end
return ret
end
function mwtext.truncate( text, length, ellipsis, adjustLength )
local l = mw.ustring.len( text )
if l <= math.abs( length ) then
return text
end
ellipsis = ellipsis or options.ellipsis
local elen = 0
if adjustLength then
elen = mw.ustring.len( ellipsis )
end
local ret
if math.abs( length ) <= elen then
ret = ellipsis
elseif length > 0 then
ret = mw.ustring.sub( text, 1, length - elen ) .. ellipsis
else
ret = ellipsis .. mw.ustring.sub( text, length + elen )
end
if mw.ustring.len( ret ) < l then
return ret
else
return text
end
end
-- Check for stuff that can't even be passed to PHP properly and other stuff
-- that gives different error messages in different versions of PHP
local function checkForJsonEncode( t, seen, lvl )
local tp = type( t )
if tp == 'table' then
if seen[t] then
error( "TextUtil.jsonEncode: Cannot use recursive tables", lvl )
end
seen[t] = 1
for k, v in pairs( t ) do
if type( k ) == 'number' then
if k >= math.huge or k <= -math.huge then
error( string.format( "TextUtil.jsonEncode: Cannot use 'inf' as a table key", type( k ) ), lvl )
end
elseif type( k ) ~= 'string' then
error( string.format( "TextUtil.jsonEncode: Cannot use type '%s' as a table key", type( k ) ), lvl )
end
checkForJsonEncode( v, seen, lvl + 1 )
end
seen[t] = nil
elseif tp == 'number' then
if t ~= t or t >= math.huge or t <= -math.huge then
error( "TextUtil.jsonEncode: Cannot encode non-finite numbers", lvl )
end
elseif tp ~= 'boolean' and tp ~= 'string' and tp ~= 'nil' then
error( string.format( "TextUtil.jsonEncode: Cannot encode type '%s'", tp ), lvl )
end
end
function mwtext.jsonEncode( value, flags )
checkForJsonEncode( value, {}, 3 )
return php.jsonEncode( value, flags )
end
function mwtext.jsonDecode( json, flags )
return php.jsonDecode( json, flags )
end
-- Matches PHP Scribunto_LuaTextLibrary constants
mwtext.JSON_PRESERVE_KEYS = 1
mwtext.JSON_TRY_FIXING = 2
mwtext.JSON_PRETTY = 4
return mwtext