diff options
Diffstat (limited to 'scripts/context/lua/mtxrun.lua')
| -rw-r--r-- | scripts/context/lua/mtxrun.lua | 74 |
1 files changed, 62 insertions, 12 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua index 0d977b57e..6daa59f9d 100644 --- a/scripts/context/lua/mtxrun.lua +++ b/scripts/context/lua/mtxrun.lua @@ -5751,11 +5751,14 @@ local sortedhash = table.sortedhash -- we share some patterns +local digit = R("09") local space = P(' ') local equal = P("=") local comma = P(",") local lbrace = P("{") local rbrace = P("}") +local lparent = P("(") +local rparent = P(")") local period = S(".") local punctuation = S(".,:;") local spacer = patterns.spacer @@ -5764,6 +5767,9 @@ local newline = patterns.newline local anything = patterns.anything local endofstring = patterns.endofstring +local nobrace = 1 - ( lbrace + rbrace ) +local noparent = 1 - ( lparent + rparent) + -- we could use a Cf Cg construct local escape, left, right = P("\\"), P('{'), P('}') @@ -5773,17 +5779,19 @@ patterns.balanced = P { [2] = left * V(1) * right } -local nobrace = 1 - (lbrace+rbrace) -local nested = P { lbrace * (nobrace + V(1))^0 * rbrace } -local spaces = space^0 -local argument = Cs((lbrace/"") * ((nobrace + nested)^0) * (rbrace/"")) -local content = (1-endofstring)^0 +local nestedbraces = P { lbrace * (nobrace + V(1))^0 * rbrace } +local nestedparents = P { lparent * (noparent + V(1))^0 * rparent } +local spaces = space^0 +local argument = Cs((lbrace/"") * ((nobrace + nestedbraces)^0) * (rbrace/"")) +local content = (1-endofstring)^0 -patterns.nested = nested -- no capture -patterns.argument = argument -- argument after e.g. = -patterns.content = content -- rest after e.g = +patterns.nestedbraces = nestedbraces -- no capture +patterns.nestedparents = nestedparents -- no capture +patterns.nested = nestedbraces -- no capture +patterns.argument = argument -- argument after e.g. = +patterns.content = content -- rest after e.g = -local value = P(lbrace * C((nobrace + nested)^0) * rbrace) + C((nested + (1-comma))^0) +local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) + C((nestedbraces + (1-comma))^0) local key = C((1-equal-comma)^1) local pattern_a = (space+comma)^0 * (key * equal * value + key * C("")) @@ -5853,7 +5861,8 @@ function parsers.settings_to_hash_strict(str,existing) end local separator = comma * space^0 -local value = P(lbrace * C((nobrace + nested)^0) * rbrace) + C((nested + (1-comma))^0) +local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) + + C((nestedbraces + (1-comma))^0) local pattern = spaces * Ct(value*(separator*value)^0) -- "aap, {noot}, mies" : outer {} removes, leading spaces ignored @@ -5948,7 +5957,49 @@ function parsers.simple_hash_to_string(h, separator) return concat(t,separator or ",") end -local value = lbrace * C((nobrace + nested)^0) * rbrace +-- for chem (currently one level) + +local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) + + C(digit^1 * lparent * (noparent + nestedparents)^0 * rparent) + + C((nestedbraces + (1-comma))^0) +local pattern_a = spaces * Ct(value*(separator*value)^0) + +local function repeater(n,str) + if not n then + return str + else + local s = lpegmatch(pattern_a,str) + if n == 1 then + return unpack(s) + else + local t, tn = { }, 0 + for i=1,n do + for j=1,#s do + tn = tn + 1 + t[tn] = s[j] + end + end + return unpack(t) + end + end +end + +local value = P(lbrace * C((nobrace + nestedbraces)^0) * rbrace) + + (C(digit^1)/tonumber * lparent * Cs((noparent + nestedparents)^0) * rparent) / repeater + + C((nestedbraces + (1-comma))^0) +local pattern_b = spaces * Ct(value*(separator*value)^0) + +function parsers.settings_to_array_with_repeat(str,expand) + if expand then + return lpegmatch(pattern_b,str) + else + return lpegmatch(pattern_a,str) + end +end + +-- + +local value = lbrace * C((nobrace + nestedbraces)^0) * rbrace local pattern = Ct((space + value)^0) function parsers.arguments_to_table(str) @@ -5979,7 +6030,6 @@ function parsers.listitem(str) end -- -local digit = R("09") local pattern = Cs { "start", start = V("one") + V("two") + V("three"), |