diff options
Diffstat (limited to 'tex/context/base/lang-url.lua')
| -rw-r--r-- | tex/context/base/lang-url.lua | 226 |
1 files changed, 113 insertions, 113 deletions
diff --git a/tex/context/base/lang-url.lua b/tex/context/base/lang-url.lua index 35381e672..86733c876 100644 --- a/tex/context/base/lang-url.lua +++ b/tex/context/base/lang-url.lua @@ -1,113 +1,113 @@ -if not modules then modules = { } end modules ['lang-url'] = { - version = 1.001, - comment = "companion to lang-url.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local utfcharacters, utfvalues, utfbyte, utfchar = utf.characters, utf.values, utf.byte, utf.char - -context = context - -commands = commands or { } -local commands = commands - ---[[ -<p>Hyphenating <l n='url'/>'s is somewhat tricky and a matter of taste. I did -consider using a dedicated hyphenation pattern or dealing with it by node -parsing, but the following solution suits as well. After all, we're mostly -dealing with <l n='ascii'/> characters.</p> -]]-- - -commands.hyphenatedurl = commands.hyphenatedurl or { } -local hyphenatedurl = commands.hyphenatedurl - -local characters = utilities.storage.allocate { - ["!"] = 1, - ["\""] = 1, - ["#"] = 1, - ["$"] = 1, - ["%"] = 1, - ["&"] = 1, - ["("] = 1, - ["*"] = 1, - ["+"] = 1, - [","] = 1, - ["-"] = 1, - ["."] = 1, - ["/"] = 1, - [":"] = 1, - [";"] = 1, - ["<"] = 1, - ["="] = 1, - [">"] = 1, - ["?"] = 1, - ["@"] = 1, - ["["] = 1, - ["\\"] = 1, - ["^"] = 1, - ["_"] = 1, - ["`"] = 1, - ["{"] = 1, - ["|"] = 1, - ["~"] = 1, - - ["'"] = 2, - [")"] = 2, - ["]"] = 2, - ["}"] = 2, -} - -local mapping = utilities.storage.allocate { - -- [utfchar(0xA0)] = "~", -- nbsp (catch) -} - -hyphenatedurl.characters = characters -hyphenatedurl.mapping = mapping -hyphenatedurl.lefthyphenmin = 2 -hyphenatedurl.righthyphenmin = 3 -hyphenatedurl.discretionary = nil - --- more fun is to write nodes .. maybe it's nicer to do this --- in an attribute handler anyway - -local function action(hyphenatedurl,str,left,right,disc) - local n = 0 - local b = math.max( left or hyphenatedurl.lefthyphenmin, 2) - local e = math.min(#str-(right or hyphenatedurl.righthyphenmin)+2,#str) - local d = disc or hyphenatedurl.discretionary - for s in utfcharacters(str) do - n = n + 1 - s = mapping[s] or s - if n > 1 then - context.s() -- can be option - end - if s == d then - context.d(utfbyte(s)) - else - local c = characters[s] - if not c or n<=b or n>=e then - context.n(utfbyte(s)) - elseif c == 1 then - context.b(utfbyte(s)) - elseif c == 2 then - context.a(utfbyte(s)) - end - end - end -end - --- hyphenatedurl.action = function(_,...) action(...) end -- sort of obsolete - -table.setmetatablecall(hyphenatedurl,action) -- watch out: a caller - --- todo, no interface in mkiv yet - -function hyphenatedurl.setcharacters(str,value) -- 1, 2 == before, after - for s in utfcharacters(str) do - characters[s] = value or 1 - end -end - --- .hyphenatedurl.setcharacters("')]}",2) +if not modules then modules = { } end modules ['lang-url'] = {
+ version = 1.001,
+ comment = "companion to lang-url.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local utfcharacters, utfvalues, utfbyte, utfchar = utf.characters, utf.values, utf.byte, utf.char
+
+context = context
+
+commands = commands or { }
+local commands = commands
+
+--[[
+<p>Hyphenating <l n='url'/>'s is somewhat tricky and a matter of taste. I did
+consider using a dedicated hyphenation pattern or dealing with it by node
+parsing, but the following solution suits as well. After all, we're mostly
+dealing with <l n='ascii'/> characters.</p>
+]]--
+
+commands.hyphenatedurl = commands.hyphenatedurl or { }
+local hyphenatedurl = commands.hyphenatedurl
+
+local characters = utilities.storage.allocate {
+ ["!"] = 1,
+ ["\""] = 1,
+ ["#"] = 1,
+ ["$"] = 1,
+ ["%"] = 1,
+ ["&"] = 1,
+ ["("] = 1,
+ ["*"] = 1,
+ ["+"] = 1,
+ [","] = 1,
+ ["-"] = 1,
+ ["."] = 1,
+ ["/"] = 1,
+ [":"] = 1,
+ [";"] = 1,
+ ["<"] = 1,
+ ["="] = 1,
+ [">"] = 1,
+ ["?"] = 1,
+ ["@"] = 1,
+ ["["] = 1,
+ ["\\"] = 1,
+ ["^"] = 1,
+ ["_"] = 1,
+ ["`"] = 1,
+ ["{"] = 1,
+ ["|"] = 1,
+ ["~"] = 1,
+
+ ["'"] = 2,
+ [")"] = 2,
+ ["]"] = 2,
+ ["}"] = 2,
+}
+
+local mapping = utilities.storage.allocate {
+ -- [utfchar(0xA0)] = "~", -- nbsp (catch)
+}
+
+hyphenatedurl.characters = characters
+hyphenatedurl.mapping = mapping
+hyphenatedurl.lefthyphenmin = 2
+hyphenatedurl.righthyphenmin = 3
+hyphenatedurl.discretionary = nil
+
+-- more fun is to write nodes .. maybe it's nicer to do this
+-- in an attribute handler anyway
+
+local function action(hyphenatedurl,str,left,right,disc)
+ local n = 0
+ local b = math.max( left or hyphenatedurl.lefthyphenmin, 2)
+ local e = math.min(#str-(right or hyphenatedurl.righthyphenmin)+2,#str)
+ local d = disc or hyphenatedurl.discretionary
+ for s in utfcharacters(str) do
+ n = n + 1
+ s = mapping[s] or s
+ if n > 1 then
+ context.s() -- can be option
+ end
+ if s == d then
+ context.d(utfbyte(s))
+ else
+ local c = characters[s]
+ if not c or n<=b or n>=e then
+ context.n(utfbyte(s))
+ elseif c == 1 then
+ context.b(utfbyte(s))
+ elseif c == 2 then
+ context.a(utfbyte(s))
+ end
+ end
+ end
+end
+
+-- hyphenatedurl.action = function(_,...) action(...) end -- sort of obsolete
+
+table.setmetatablecall(hyphenatedurl,action) -- watch out: a caller
+
+-- todo, no interface in mkiv yet
+
+function hyphenatedurl.setcharacters(str,value) -- 1, 2 == before, after
+ for s in utfcharacters(str) do
+ characters[s] = value or 1
+ end
+end
+
+-- .hyphenatedurl.setcharacters("')]}",2)
|