diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/util-str.lua')
| -rw-r--r-- | Master/texmf-dist/tex/context/base/util-str.lua | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/Master/texmf-dist/tex/context/base/util-str.lua b/Master/texmf-dist/tex/context/base/util-str.lua index 5609cdf255d..a677a82ed5c 100644 --- a/Master/texmf-dist/tex/context/base/util-str.lua +++ b/Master/texmf-dist/tex/context/base/util-str.lua @@ -216,14 +216,19 @@ local striplinepatterns = { ["retain"] = p_retain_normal, ["retain and collapse"] = p_retain_collapse, ["retain and no empty"] = p_retain_noempty, + ["collapse"] = patterns.collapser, -- how about: stripper fullstripper } +setmetatable(striplinepatterns,{ __index = function(t,k) return p_prune_collapse end }) + strings.striplinepatterns = striplinepatterns function strings.striplines(str,how) - return str and lpegmatch(how and striplinepatterns[how] or p_prune_collapse,str) or str + return str and lpegmatch(striplinepatterns[how],str) or str end +-- also see: string.collapsespaces + strings.striplong = strings.striplines -- for old times sake -- local str = table.concat( { @@ -356,10 +361,10 @@ strings.tracers = tracedchars function string.tracedchar(b) -- todo: table if type(b) == "number" then - return tracedchars[b] or (utfchar(b) .. " (U+" .. format('%05X',b) .. ")") + return tracedchars[b] or (utfchar(b) .. " (U+" .. format("%05X",b) .. ")") else local c = utfbyte(b) - return tracedchars[c] or (b .. " (U+" .. format('%05X',c) .. ")") + return tracedchars[c] or (b .. " (U+" .. (c and format("%05X",c) or "?????") .. ")") end end @@ -525,12 +530,21 @@ local format_f = function(f) return format("format('%%%sf',a%s)",f,n) end -local format_F = function(f) +-- The next one formats an integer as integer and very small values as zero. This is needed +-- for pdf backend code. +-- +-- 1.23 % 1 : 0.23 +-- - 1.23 % 1 : 0.77 +-- +-- We could probably use just %s with integers but who knows what Lua 5.3 will do? So let's +-- for the moment use %i. + +local format_F = function(f) -- beware, no cast to number n = n + 1 if not f or f == "" then - return format("(((a%s > -0.0000000005 and a%s < 0.0000000005) and '0') or (a%s == 1 and '1') or format('%%.9f',a%s))",n,n,n,n) + return format("(((a%s > -0.0000000005 and a%s < 0.0000000005) and '0') or format((a%s %% 1 == 0) and '%%i' or '%%.9f',a%s))",n,n,n,n) else - return format("((a%s == 0 and '0') or (a%s == 1 and '1') or format('%%%sf',a%s))",n,n,f,n) + return format("format((a%s %% 1 == 0) and '%%i' or '%%%sf',a%s)",n,f,n) end end @@ -830,7 +844,7 @@ local builder = Cs { "start", + V("m") + V("M") -- new + V("z") -- new -- - + V("*") -- ignores probably messed up % + -- + V("?") -- ignores probably messed up % ) + V("*") ) @@ -885,6 +899,7 @@ local builder = Cs { "start", ["A"] = (prefix_any * P("A")) / format_A, -- %A => "..." (forces tostring) -- ["*"] = Cs(((1-P("%"))^1 + P("%%")/"%%")^1) / format_rest, -- rest (including %%) + ["?"] = Cs(((1-P("%"))^1 )^1) / format_rest, -- rest (including %%) -- ["!"] = Carg(2) * prefix_any * P("!") * C((1-P("!"))^1) * P("!") / format_extension, } @@ -1082,3 +1097,23 @@ end -- string.formatteds = formatteds -- -- setmetatable(formatteds, { __index = make, __call = use }) + +-- This is a somewhat silly one used in commandline reconstruction but the older +-- method, using a combination of fine, gsub, quoted and unquoted was not that +-- reliable. +-- +-- '"foo"bar \"and " whatever"' => "foo\"bar \"and \" whatever" +-- 'foo"bar \"and " whatever' => "foo\"bar \"and \" whatever" + +local dquote = patterns.dquote -- P('"') +local equote = patterns.escaped + dquote / '\\"' + 1 +local space = patterns.space +local cquote = Cc('"') + +local pattern = + Cs(dquote * (equote - P(-2))^0 * dquote) -- we keep the outer but escape unescaped ones + + Cs(cquote * (equote - space)^0 * space * equote^0 * cquote) -- we escape unescaped ones + +function string.optionalquoted(str) + return lpegmatch(pattern,str) or str +end |