File: //home/ubuntu/neovim/runtime/autoload/msgpack.vim
if exists('g:loaded_msgpack_autoload')
finish
endif
let g:loaded_msgpack_autoload = 1
""
" Check that given value is an integer. Respects |msgpack-special-dict|.
function msgpack#is_int(v) abort
return type(a:v) == type(0) || (
\type(a:v) == type({}) && get(a:v, '_TYPE') is# v:msgpack_types.integer)
endfunction
""
" Check that given value is an unsigned integer. Respects
" |msgpack-special-dict|.
function msgpack#is_uint(v) abort
return msgpack#is_int(a:v) && (type(a:v) == type(0)
\? a:v >= 0
\: a:v._VAL[0] > 0)
endfunction
""
" True if s:msgpack_init_python() function was already run.
let s:msgpack_python_initialized = 0
""
" Cached return of s:msgpack_init_python() used when
" s:msgpack_python_initialized is true.
let s:msgpack_python_type = 0
""
" Create Python functions that are necessary for work. Also defines functions
" s:msgpack_dict_strftime(format, timestamp) and s:msgpack_dict_strptime(format,
" string).
"
" @return Zero in case no Python is available, empty string if Python-2 is
" available and string `"3"` if Python-3 is available.
function s:msgpack_init_python() abort
if s:msgpack_python_initialized
return s:msgpack_python_type
endif
let s:msgpack_python_initialized = 1
for suf in (has('win32') ? ['3'] : ['', '3'])
try
execute 'python' . suf
\. "\n"
\. "def shada_dict_strftime():\n"
\. " import datetime\n"
\. " import vim\n"
\. " fmt = vim.eval('a:format')\n"
\. " timestamp = vim.eval('a:timestamp')\n"
\. " timestamp = [int(v) for v in timestamp['_VAL']]\n"
\. " timestamp = timestamp[0] * (timestamp[1] << 62\n"
\. " | timestamp[2] << 31\n"
\. " | timestamp[3])\n"
\. " time = datetime.datetime.fromtimestamp(timestamp)\n"
\. " return time.strftime(fmt)\n"
\. "def shada_dict_strptime():\n"
\. " import calendar\n"
\. " import datetime\n"
\. " import vim\n"
\. " fmt = vim.eval('a:format')\n"
\. " timestr = vim.eval('a:string')\n"
\. " timestamp = datetime.datetime.strptime(timestr, fmt)\n"
\. " try:\n"
\. " timestamp = int(timestamp.timestamp())\n"
\. " except:\n"
\. " try:\n"
\. " timestamp = int(timestamp.strftime('%s'))\n"
\. " except:\n"
\. " timestamp = calendar.timegm(timestamp.utctimetuple())\n"
\. " if timestamp > 2 ** 31:\n"
\. " tsabs = abs(timestamp)\n"
\. " return ('{\"_TYPE\": v:msgpack_types.integer,'\n"
\. " + '\"_VAL\": [{sign},{v1},{v2},{v3}]}').format(\n"
\. " sign=(1 if timestamp >= 0 else -1),\n"
\. " v1=((tsabs >> 62) & 0x3),\n"
\. " v2=((tsabs >> 31) & (2 ** 31 - 1)),\n"
\. " v3=(tsabs & (2 ** 31 - 1)))\n"
\. " else:\n"
\. " return str(timestamp)\n"
execute "function s:msgpack_dict_strftime(format, timestamp) abort\n"
\. " return py" . suf . "eval('shada_dict_strftime()')\n"
\. "endfunction\n"
\. "function s:msgpack_dict_strptime(format, string)\n"
\. " return eval(py" . suf . "eval('shada_dict_strptime()'))\n"
\. "endfunction\n"
let s:msgpack_python_type = suf
return suf
catch
continue
endtry
endfor
""
" strftime() function for |msgpack-special-dict| values.
"
" @param[in] format String according to which time should be formatted.
" @param[in] timestamp Timestamp (seconds since epoch) to format.
"
" @return Formatted timestamp.
"
" @warning Without +python or +python3 this function does not work correctly.
" The Vimscript code contains “reference” implementation which does
" not really work because of precision loss.
function s:msgpack_dict_strftime(format, timestamp)
return msgpack#strftime(a:format, +msgpack#int_dict_to_str(a:timestamp))
endfunction
""
" Function that parses given string according to given format.
"
" @param[in] format String according to which string was formatted.
" @param[in] string Time formatted according to format.
"
" @return Timestamp.
"
" @warning Without +python or +python3 this function is able to work only with
" 31-bit (32-bit signed) timestamps that have format
" `%Y-%m-%dT%H:%M:%S`.
function s:msgpack_dict_strptime(format, string)
let fmt = '%Y-%m-%dT%H:%M:%S'
if a:format isnot# fmt
throw 'notimplemented-format:Only ' . fmt . ' format is supported'
endif
let match = matchlist(a:string,
\'\v\C^(\d+)\-(\d+)\-(\d+)T(\d+)\:(\d+)\:(\d+)$')
if empty(match)
throw 'invalid-string:Given string does not match format ' . a:format
endif
call map(match, 'str2nr(v:val, 10)')
let [year, month, day, hour, minute, second] = match[1:6]
" Bisection start and end:
"
" Start: 365 days in year, 28 days in month, -12 hours tz offset.
let bisect_ts_start = (((((year - 1970) * 365
\+ (month - 1) * 28
\+ (day - 1)) * 24
\+ hour - 12) * 60
\+ minute) * 60
\+ second)
if bisect_ts_start < 0
let bisect_ts_start = 0
endif
let start_string = strftime(fmt, bisect_ts_start)
if start_string is# a:string
return bisect_ts_start
endif
" End: 366 days in year, 31 day in month, +14 hours tz offset.
let bisect_ts_end = (((((year - 1970) * 366
\+ (month - 1) * 31
\+ (day - 1)) * 24
\+ hour + 14) * 60
\+ minute) * 60
\+ second)
let end_string = strftime(fmt, bisect_ts_end)
if end_string is# a:string
return bisect_ts_end
endif
if start_string ># end_string
throw 'internal-start-gt:Internal error: start > end'
endif
if start_string is# end_string
throw printf('internal-start-eq:Internal error: '
\. 'start(%u)==end(%u), but start(%s)!=string(%s)',
\bisect_ts_start, bisect_ts_end,
\string(start_string), string(a:string))
endif
if start_string ># a:string
throw 'internal-start-string:Internal error: start > string'
endif
if end_string <# a:string
throw 'internal-end-string:Internal error: end < string'
endif
while 1
let bisect_ts_middle = (bisect_ts_start/2) + (bisect_ts_end/2)
let middle_string = strftime(fmt, bisect_ts_middle)
if a:string is# middle_string
return bisect_ts_middle
elseif a:string ># middle_string
if bisect_ts_middle == bisect_ts_start
let bisect_ts_start += 1
else
let bisect_ts_start = bisect_ts_middle
endif
else
if bisect_ts_middle == bisect_ts_end
let bisect_ts_end -= 1
else
let bisect_ts_end = bisect_ts_middle
endif
endif
if bisect_ts_start >= bisect_ts_end
throw 'not-found:Unable to find timestamp'
endif
endwhile
endfunction
return 0
endfunction
""
" Wrapper for strftime() that respects |msgpack-special-dict|. May actually use
" non-standard strftime() implementations for |msgpack-special-dict| values.
"
" @param[in] format Format string.
" @param[in] timestamp Formatted timestamp.
function msgpack#strftime(format, timestamp) abort
if type(a:timestamp) == type({})
call s:msgpack_init_python()
return s:msgpack_dict_strftime(a:format, a:timestamp)
else
return strftime(a:format, a:timestamp)
endif
endfunction
""
" Parse string according to the format.
"
" Requires +python available. If it is not then only supported format is
" `%Y-%m-%dT%H:%M:%S` because this is the format used by ShaDa plugin. Also in
" this case bisection will be used (timestamps tried with strftime() up until
" result matches the string) and only 31-bit (signed 32-bit: with negative
" timestamps being useless this leaves 31 bits) timestamps will be supported.
"
" @param[in] format Time format.
" @param[in] string Parsed time string. Must match given format.
"
" @return Timestamp. Possibly as |msgpack-special-dict|.
function msgpack#strptime(format, string) abort
call s:msgpack_init_python()
return s:msgpack_dict_strptime(a:format, a:string)
endfunction
let s:MSGPACK_HIGHEST_BIT = 1
let s:MSGPACK_HIGHEST_BIT_NR = 0
while s:MSGPACK_HIGHEST_BIT * 2 > 0
let s:MSGPACK_HIGHEST_BIT = s:MSGPACK_HIGHEST_BIT * 2
let s:MSGPACK_HIGHEST_BIT_NR += 1
endwhile
""
" Shift given number by given amount of bits
function s:shift(n, s) abort
if a:s == 0
return a:n
elseif a:s < 0
let ret = a:n
for _ in range(-a:s)
let ret = ret / 2
endfor
return ret
else
let ret = a:n
for i in range(a:s)
let new_ret = ret * 2
if new_ret < ret
" Overflow: remove highest bit
let ret = xor(s:MSGPACK_HIGHEST_BIT, ret) * 2
endif
let ret = new_ret
endfor
return ret
endif
endfunction
let s:msgpack_mask_cache = {
\s:MSGPACK_HIGHEST_BIT_NR : s:MSGPACK_HIGHEST_BIT - 1}
""
" Apply a mask where first m bits are ones and other are zeroes to a given
" number
function s:mask1(n, m) abort
if a:m > s:MSGPACK_HIGHEST_BIT_NR + 1
let m = s:MSGPACK_HIGHEST_BIT_NR + 1
else
let m = a:m
endif
if !has_key(s:msgpack_mask_cache, m)
let p = 0
for _ in range(m)
let p = p * 2 + 1
endfor
let s:msgpack_mask_cache[m] = p
endif
return and(a:n, s:msgpack_mask_cache[m])
endfunction
""
" Convert |msgpack-special-dict| that represents integer value to a string. Uses
" hexadecimal representation starting with 0x because it is the easiest to
" convert to.
function msgpack#int_dict_to_str(v) abort
let v = a:v._VAL
" 64-bit number:
" 0000000001111111111222222222233333333334444444444555555555566666
" 1234567890123456789012345678901234567890123456789012345678901234
" Split in _VAL:
" 0000000001111111111222222222233 3333333344444444445555555555666 66
" 1234567890123456789012345678901 2345678901234567890123456789012 34
" Split by hex digits:
" 0000 0000 0111 1111 1112 2222 2222 2333 3333 3334 4444 4444 4555 5555 5556 6666
" 1234 5678 9012 3456 7890 1234 5678 9012 3456 7890 1234 5678 9012 3456 7890 1234
"
" Total split:
" _VAL[3] _VAL[2] _VAL[1]
" ______________________________________ _______________________________________ __
" 0000 0000 0111 1111 1112 2222 2222 233 3 3333 3334 4444 4444 4555 5555 5556 66 66
" 1234 5678 9012 3456 7890 1234 5678 901 2 3456 7890 1234 5678 9012 3456 7890 12 34
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^
" g4 g3 g2 g1
" ********************************** *** * ********************************** ** **
" 1 2 3 4 5 6
" 1: s:mask1(v[3], 28): first 28 bits of _VAL[3]
" 2: s:shift(v[3], -28): last 3 bits of _VAL[3]
" 3: s:mask1(v[2], 1): first bit of _VAL[2]
" 4: s:mask1(s:shift(v[2], -1), 28): bits 2 .. 29 of _VAL[2]
" 5: s:shift(v[2], -29): last 2 bits of _VAL[2]
" 6: s:shift(v[1], 2): _VAL[1]
let g4 = printf('%07x', s:mask1(v[3], 28))
let g3 = printf('%01x', or(s:shift(v[3], -28), s:shift(s:mask1(v[2], 1), 3)))
let g2 = printf('%07x', s:mask1(s:shift(v[2], -1), 28))
let g1 = printf('%01x', or(s:shift(v[2], -29), s:shift(v[1], 2)))
return ((v[0] < 0 ? '-' : '') . '0x' . g1 . g2 . g3 . g4)
endfunction
""
" True boolean value.
let g:msgpack#true = {'_TYPE': v:msgpack_types.boolean, '_VAL': 1}
lockvar! g:msgpack#true
""
" False boolean value.
let g:msgpack#false = {'_TYPE': v:msgpack_types.boolean, '_VAL': 0}
lockvar! g:msgpack#false
""
" NIL value.
let g:msgpack#nil = {'_TYPE': v:msgpack_types.nil, '_VAL': 0}
lockvar! g:msgpack#nil
""
" Deduce type of |msgpack-special-dict|.
"
" @return zero if given dictionary is not special or name of the key in
" v:msgpack_types dictionary.
function msgpack#special_type(v) abort
if type(a:v) != type({}) || !has_key(a:v, '_TYPE')
return 0
endif
for [k, v] in items(v:msgpack_types)
if a:v._TYPE is v
return k
endif
endfor
return 0
endfunction
""
" Mapping that maps type() output to type names.
let s:MSGPACK_STANDARD_TYPES = {
\type(0): 'integer',
\type(0.0): 'float',
\type(''): 'string',
\type([]): 'array',
\type({}): 'map',
\type(v:true): 'boolean',
\type(v:null): 'nil',
\}
""
" Deduce type of one of items returned by msgpackparse().
"
" @return Name of a key in v:msgpack_types.
function msgpack#type(v) abort
let special_type = msgpack#special_type(a:v)
if special_type is 0
return s:MSGPACK_STANDARD_TYPES[type(a:v)]
endif
return special_type
endfunction
""
" Dump nil value.
function s:msgpack_dump_nil(v) abort
return 'NIL'
endfunction
""
" Dump boolean value.
function s:msgpack_dump_boolean(v) abort
return (a:v is v:true || (a:v isnot v:false && a:v._VAL)) ? 'TRUE' : 'FALSE'
endfunction
""
" Dump integer msgpack value.
function s:msgpack_dump_integer(v) abort
if type(a:v) == type({})
return msgpack#int_dict_to_str(a:v)
else
return string(a:v)
endif
endfunction
""
" Dump floating-point value.
function s:msgpack_dump_float(v) abort
return substitute(string(type(a:v) == type({}) ? a:v._VAL : a:v),
\'\V\^\(-\)\?str2float(''\(inf\|nan\)'')\$', '\1\2', '')
endfunction
""
" Dump |msgpack-special-dict| that represents a string. If any additional
" parameter is given then it dumps binary string.
function s:msgpack_dump_string(v) abort
if type(a:v) == type({})
let val = a:v
else
let val = {'_VAL': split(a:v, "\n", 1)}
end
let ret = ['"']
for v in val._VAL
call add(
\ret,
\substitute(
\substitute(v, '["\\]', '\\\0', 'g'),
\'\n', '\\0', 'g'))
call add(ret, '\n')
endfor
let ret[-1] = '"'
return join(ret, '')
endfunction
""
" Dump array value.
function s:msgpack_dump_array(v) abort
let val = type(a:v) == type({}) ? a:v._VAL : a:v
return '[' . join(map(val[:], 'msgpack#string(v:val)'), ', ') . ']'
endfunction
""
" Dump dictionary value.
function s:msgpack_dump_map(v) abort
let ret = ['{']
if msgpack#special_type(a:v) is 0
for [k, v] in items(a:v)
let ret += [s:msgpack_dump_string({'_VAL': split(k, "\n")}),
\': ',
\msgpack#string(v),
\', ']
unlet v
endfor
if !empty(a:v)
call remove(ret, -1)
endif
else
for [k, v] in sort(copy(a:v._VAL))
let ret += [msgpack#string(k),
\': ',
\msgpack#string(v),
\', ']
unlet k
unlet v
endfor
if !empty(a:v._VAL)
call remove(ret, -1)
endif
endif
let ret += ['}']
return join(ret, '')
endfunction
""
" Dump extension value.
function s:msgpack_dump_ext(v) abort
return printf('+(%i)%s', a:v._VAL[0],
\s:msgpack_dump_string({'_VAL': a:v._VAL[1]}))
endfunction
""
" Convert msgpack object to a string, like string() function does. Result of the
" conversion may be passed to msgpack#eval().
function msgpack#string(v) abort
if type(a:v) == type({})
let type = msgpack#special_type(a:v)
if type is 0
let type = 'map'
endif
else
let type = get(s:MSGPACK_STANDARD_TYPES, type(a:v), 0)
if type is 0
throw printf('msgpack:invtype: Unable to convert value %s', string(a:v))
endif
endif
return s:msgpack_dump_{type}(a:v)
endfunction
""
" Copy msgpack object like deepcopy() does, but leave types intact
function msgpack#deepcopy(obj) abort
if type(a:obj) == type([])
return map(copy(a:obj), 'msgpack#deepcopy(v:val)')
elseif type(a:obj) == type({})
let special_type = msgpack#special_type(a:obj)
if special_type is 0
return map(copy(a:obj), 'msgpack#deepcopy(v:val)')
else
return {
\'_TYPE': v:msgpack_types[special_type],
\'_VAL': msgpack#deepcopy(a:obj._VAL)
\}
endif
else
return copy(a:obj)
endif
endfunction
""
" Convert an escaped character to needed value
function s:msgpack_eval_str_sub(ch) abort
if a:ch is# 'n'
return '", "'
elseif a:ch is# '0'
return '\n'
else
return '\' . a:ch
endif
endfunction
let s:MSGPACK_SPECIAL_OBJECTS = {
\'NIL': '{''_TYPE'': v:msgpack_types.nil, ''_VAL'': 0}',
\'TRUE': '{''_TYPE'': v:msgpack_types.boolean, ''_VAL'': 1}',
\'FALSE': '{''_TYPE'': v:msgpack_types.boolean, ''_VAL'': 0}',
\'nan': '(-(1.0/0.0-1.0/0.0))',
\'inf': '(1.0/0.0)',
\}
""
" Convert msgpack object dumped by msgpack#string() to a Vimscript object
" suitable for msgpackdump().
"
" @param[in] s String to evaluate.
" @param[in] special_objs Additional special objects, in the same format as
" s:MSGPACK_SPECIAL_OBJECTS.
"
" @return Any value that msgpackparse() may return.
function msgpack#eval(s, special_objs) abort
let s = a:s
let expr = []
let context = []
while !empty(s)
let s = substitute(s, '^\s*', '', '')
if s[0] =~# '\v^\h$'
let name = matchstr(s, '\v\C^\w+')
if has_key(s:MSGPACK_SPECIAL_OBJECTS, name)
call add(expr, s:MSGPACK_SPECIAL_OBJECTS[name])
elseif has_key(a:special_objs, name)
call add(expr, a:special_objs[name])
else
throw 'name-unknown:Unknown name ' . name . ': ' . s
endif
let s = s[len(name):]
elseif (s[0] is# '-' && s[1] =~# '\v^\d$') || s[0] =~# '\v^\d$'
let sign = 1
if s[0] is# '-'
let s = s[1:]
let sign = -1
endif
if s[0:1] is# '0x'
" See comment in msgpack#int_dict_to_str().
let s = s[2:]
let hexnum = matchstr(s, '\v\C^\x+')
if empty(hexnum)
throw '0x-empty:Must have number after 0x: ' . s
elseif len(hexnum) > 16
throw '0x-long:Must have at most 16 hex digits: ' . s
endif
let s = s[len(hexnum):]
let hexnum = repeat('0', 16 - len(hexnum)) . hexnum
let g1 = str2nr(hexnum[0], 16)
let g2 = str2nr(hexnum[1:7], 16)
let g3 = str2nr(hexnum[8], 16)
let g4 = str2nr(hexnum[9:15], 16)
let v1 = s:shift(g1, -2)
let v2 = or(or(s:shift(s:mask1(g1, 2), 29), s:shift(g2, 1)),
\s:mask1(s:shift(g3, -3), 1))
let v3 = or(s:shift(s:mask1(g3, 3), 28), g4)
call add(expr, printf('{''_TYPE'': v:msgpack_types.integer, '.
\'''_VAL'': [%i, %u, %u, %u]}',
\sign, v1, v2, v3))
else
let num = matchstr(s, '\v\C^\d+')
let s = s[len(num):]
if sign == -1
call add(expr, '-')
endif
call add(expr, num)
if s[0] is# '.'
let dec = matchstr(s, '\v\C^\.\d+%(e[+-]?\d+)?')
if empty(dec)
throw '0.-nodigits:Decimal dot must be followed by digit(s): ' . s
endif
let s = s[len(dec):]
call add(expr, dec)
endif
endif
elseif s =~# '\v^\-%(inf|nan)'
call add(expr, '-')
call add(expr, s:MSGPACK_SPECIAL_OBJECTS[s[1:3]])
let s = s[4:]
elseif stridx('="+', s[0]) != -1
let match = matchlist(s, '\v\C^(\=|\+\((\-?\d+)\)|)(\"%(\\.|[^\\"]+)*\")')
if empty(match)
throw '"-invalid:Invalid string: ' . s
endif
call add(expr, '{''_TYPE'': v:msgpack_types.')
if empty(match[1]) || match[1] is# '='
call add(expr, 'string')
else
call add(expr, 'ext')
endif
call add(expr, ', ''_VAL'': [')
if match[1][0] is# '+'
call add(expr, match[2] . ', [')
endif
call add(expr, substitute(match[3], '\v\C\\(.)',
\'\=s:msgpack_eval_str_sub(submatch(1))', 'g'))
if match[1][0] is# '+'
call add(expr, ']')
endif
call add(expr, ']}')
let s = s[len(match[0]):]
elseif s[0] is# '{'
call add(context, 'map')
call add(expr, '{''_TYPE'': v:msgpack_types.map, ''_VAL'': [')
call add(expr, '[')
let s = s[1:]
elseif s[0] is# '['
call add(context, 'array')
call add(expr, '[')
let s = s[1:]
elseif s[0] is# ':'
call add(expr, ',')
let s = s[1:]
elseif s[0] is# ','
if context[-1] is# 'array'
call add(expr, ',')
else
call add(expr, '], [')
endif
let s = s[1:]
elseif s[0] is# ']'
call remove(context, -1)
call add(expr, ']')
let s = s[1:]
elseif s[0] is# '}'
call remove(context, -1)
if expr[-1] is# "\x5B"
call remove(expr, -1)
else
call add(expr, ']')
endif
call add(expr, ']}')
let s = s[1:]
elseif s[0] is# ''''
let char = matchstr(s, '\v\C^\''\zs%(\\\d+|.)\ze\''')
if empty(char)
throw 'char-invalid:Invalid integer character literal format: ' . s
endif
if char[0] is# '\'
call add(expr, +char[1:])
else
call add(expr, char2nr(char))
endif
let s = s[len(char) + 2:]
else
throw 'unknown:Invalid non-space character: ' . s
endif
endwhile
if empty(expr)
throw 'empty:Parsed string is empty'
endif
return eval(join(expr, ''))
endfunction
""
" Check whether two msgpack values are equal
function msgpack#equal(a, b)
let atype = msgpack#type(a:a)
let btype = msgpack#type(a:b)
if atype isnot# btype
return 0
endif
let aspecial = msgpack#special_type(a:a)
let bspecial = msgpack#special_type(a:b)
if aspecial is# bspecial
if aspecial is# 0
if type(a:a) == type({})
if len(a:a) != len(a:b)
return 0
endif
if !empty(filter(keys(a:a), '!has_key(a:b, v:val)'))
return 0
endif
for [k, v] in items(a:a)
if !msgpack#equal(v, a:b[k])
return 0
endif
unlet v
endfor
return 1
elseif type(a:a) == type([])
if len(a:a) != len(a:b)
return 0
endif
let i = 0
for asubval in a:a
if !msgpack#equal(asubval, a:b[i])
return 0
endif
let i += 1
unlet asubval
endfor
return 1
elseif type(a:a) == type(0.0)
return (a:a == a:a ? a:a == a:b : string(a:a) ==# string(a:b))
else
return a:a ==# a:b
endif
elseif aspecial is# 'map' || aspecial is# 'array'
if len(a:a._VAL) != len(a:b._VAL)
return 0
endif
let alist = aspecial is# 'map' ? sort(copy(a:a._VAL)) : a:a._VAL
let blist = bspecial is# 'map' ? sort(copy(a:b._VAL)) : a:b._VAL
let i = 0
for asubval in alist
let bsubval = blist[i]
if aspecial is# 'map'
if !(msgpack#equal(asubval[0], bsubval[0])
\&& msgpack#equal(asubval[1], bsubval[1]))
return 0
endif
else
if !msgpack#equal(asubval, bsubval)
return 0
endif
endif
let i += 1
unlet asubval
unlet bsubval
endfor
return 1
elseif aspecial is# 'nil'
return 1
elseif aspecial is# 'float'
return (a:a._VAL == a:a._VAL
\? (a:a._VAL == a:b._VAL)
\: (string(a:a._VAL) ==# string(a:b._VAL)))
else
return a:a._VAL ==# a:b._VAL
endif
else
if atype is# 'array'
let a = aspecial is 0 ? a:a : a:a._VAL
let b = bspecial is 0 ? a:b : a:b._VAL
return msgpack#equal(a, b)
elseif atype is# 'string'
let a = (aspecial is 0 ? split(a:a, "\n", 1) : a:a._VAL)
let b = (bspecial is 0 ? split(a:b, "\n", 1) : a:b._VAL)
return a ==# b
elseif atype is# 'map'
if aspecial is 0
let akeys = copy(a:a)
if len(a:b._VAL) != len(akeys)
return 0
endif
for [k, v] in a:b._VAL
if msgpack#type(k) isnot# 'string'
" Non-special mapping cannot have non-string keys
return 0
endif
if type(k) == type({})
if (empty(k._VAL)
\|| k._VAL ==# [""]
\|| !empty(filter(copy(k._VAL), 'stridx(v:val, "\n") != -1')))
" Non-special mapping cannot have zero byte in key or an empty key
return 0
endif
let kstr = join(k._VAL, "\n")
else
let kstr = k
endif
if !has_key(akeys, kstr)
" Protects from both missing and duplicate keys
return 0
endif
if !msgpack#equal(akeys[kstr], v)
return 0
endif
call remove(akeys, kstr)
unlet k
unlet v
endfor
return 1
else
return msgpack#equal(a:b, a:a)
endif
elseif atype is# 'float'
let a = aspecial is 0 ? a:a : a:a._VAL
let b = bspecial is 0 ? a:b : a:b._VAL
return (a == a ? a == b : string(a) ==# string(b))
elseif atype is# 'integer'
if aspecial is 0
let sign = a:a >= 0 ? 1 : -1
let a = sign * a:a
let v1 = s:mask1(s:shift(a, -62), 2)
let v2 = s:mask1(s:shift(a, -31), 31)
let v3 = s:mask1(a, 31)
return [sign, v1, v2, v3] == a:b._VAL
else
return msgpack#equal(a:b, a:a)
endif
else
throw printf('internal-invalid-type: %s == %s, but special %s /= %s',
\atype, btype, aspecial, bspecial)
endif
endif
endfunction