diff options
Diffstat (limited to 'scripts/context/lua/mtx-babel.lua')
| -rw-r--r-- | scripts/context/lua/mtx-babel.lua | 150 |
1 files changed, 106 insertions, 44 deletions
diff --git a/scripts/context/lua/mtx-babel.lua b/scripts/context/lua/mtx-babel.lua index 5ef9ae934..c9855b86a 100644 --- a/scripts/context/lua/mtx-babel.lua +++ b/scripts/context/lua/mtx-babel.lua @@ -1,6 +1,12 @@ --- data tables by Thomas A. Schmitz +if not modules then modules = { } end modules ['mtx-babel'] = { + version = 1.001, + comment = "companion to mtxrun.lua", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} -dofile(input.find_file(instance,"luat-log.lua")) +-- data tables by Thomas A. Schmitz texmf.instance = instance -- we need to get rid of this / maybe current instance in global table @@ -9,6 +15,10 @@ scripts.babel = scripts.babel or { } do + local converters = { } + + -- greek + local replace_01 = { -- <' * | a = "ᾅ", h = "ᾕ", @@ -216,6 +226,7 @@ do O = "Ὁ", U = "Ὑ", W = "Ὡ", + R = "Ῥ", } local replace_23 = { -- > * @@ -301,61 +312,111 @@ do local skips_01 = lpeg.P("\\") * lpeg.R("az", "AZ")^1 local skips_02 = lpeg.P("[") * (1- lpeg.S("[]"))^1 * lpeg.P("]") - local stage_01 = (lpeg.P("<'") * lpeg.Cs(1) * lpeg.P('|')) / replace_01 - local stage_02 = (lpeg.P(">'") * lpeg.Cs(1) * lpeg.P('|')) / replace_02 - local stage_03 = (lpeg.P("<`") * lpeg.Cs(1) * lpeg.P('|')) / replace_03 - local stage_04 = (lpeg.P(">`") * lpeg.Cs(1) * lpeg.P('|')) / replace_04 - local stage_05 = (lpeg.P("<~") * lpeg.Cs(1) * lpeg.P('|')) / replace_05 - local stage_06 = (lpeg.P(">~") * lpeg.Cs(1) * lpeg.P('|')) / replace_06 - local stage_07 = (lpeg.P('"\'') * lpeg.Cs(1) ) / replace_07 - local stage_08 = (lpeg.P('"`') * lpeg.Cs(1) ) / replace_08 - local stage_09 = (lpeg.P('"~') * lpeg.Cs(1) ) / replace_09 - local stage_10 = (lpeg.P("<'") * lpeg.Cs(1) ) / replace_10 - local stage_11 = (lpeg.P(">'") * lpeg.Cs(1) ) / replace_11 - local stage_12 = (lpeg.P("<`") * lpeg.Cs(1) ) / replace_12 - local stage_13 = (lpeg.P(">`") * lpeg.Cs(1) ) / replace_13 - local stage_14 = (lpeg.P(">~") * lpeg.Cs(1) ) / replace_14 - local stage_15 = (lpeg.P(">~") * lpeg.Cs(1) ) / replace_15 - local stage_16 = (lpeg.P("'") * lpeg.Cs(1) * lpeg.P('|')) / replace_16 - local stage_17 = (lpeg.P("`") * lpeg.Cs(1) * lpeg.P('|')) / replace_17 - local stage_18 = (lpeg.P("~") * lpeg.Cs(1) * lpeg.P('|')) / replace_18 - local stage_19 = (lpeg.P("'") * lpeg.Cs(1) ) / replace_19 - local stage_20 = (lpeg.P("`") * lpeg.Cs(1) ) / replace_20 - local stage_21 = (lpeg.P("~") * lpeg.Cs(1) ) / replace_21 - local stage_22 = (lpeg.P("<") * lpeg.Cs(1) ) / replace_22 - local stage_23 = (lpeg.P(">") * lpeg.Cs(1) ) / replace_23 - local stage_24 = (lpeg.Cs(1) * lpeg.P('|') ) / replace_24 - local stage_25 = (lpeg.P('"') * lpeg.Cs(1) ) / replace_25 - local stage_26 = (lpeg.Cs(1) ) / replace_26 - - local stages = - skips_01 + skips_02 + - stage_01 + stage_02 + stage_03 + stage_04 + stage_05 + - stage_06 + stage_07 + stage_08 + stage_09 + stage_10 + - stage_11 + stage_12 + stage_13 + stage_14 + stage_15 + - stage_16 + stage_17 + stage_18 + stage_19 + stage_20 + - stage_21 + stage_22 + stage_23 + stage_24 + stage_25 + - stage_26 - - local parser = lpeg.Cs((stages + 1)^0) + local greek_01 = (lpeg.P("<'") * lpeg.Cs(1) * lpeg.P('|')) / replace_01 + local greek_02 = (lpeg.P(">'") * lpeg.Cs(1) * lpeg.P('|')) / replace_02 + local greek_03 = (lpeg.P("<`") * lpeg.Cs(1) * lpeg.P('|')) / replace_03 + local greek_04 = (lpeg.P(">`") * lpeg.Cs(1) * lpeg.P('|')) / replace_04 + local greek_05 = (lpeg.P("<~") * lpeg.Cs(1) * lpeg.P('|')) / replace_05 + local greek_06 = (lpeg.P(">~") * lpeg.Cs(1) * lpeg.P('|')) / replace_06 + local greek_07 = (lpeg.P('"\'') * lpeg.Cs(1) ) / replace_07 + local greek_08 = (lpeg.P('"`') * lpeg.Cs(1) ) / replace_08 + local greek_09 = (lpeg.P('"~') * lpeg.Cs(1) ) / replace_09 + local greek_10 = (lpeg.P("<'") * lpeg.Cs(1) ) / replace_10 + local greek_11 = (lpeg.P(">'") * lpeg.Cs(1) ) / replace_11 + local greek_12 = (lpeg.P("<`") * lpeg.Cs(1) ) / replace_12 + local greek_13 = (lpeg.P(">`") * lpeg.Cs(1) ) / replace_13 + local greek_14 = (lpeg.P("<~") * lpeg.Cs(1) ) / replace_14 + local greek_15 = (lpeg.P(">~") * lpeg.Cs(1) ) / replace_15 + local greek_16 = (lpeg.P("'") * lpeg.Cs(1) * lpeg.P('|')) / replace_16 + local greek_17 = (lpeg.P("`") * lpeg.Cs(1) * lpeg.P('|')) / replace_17 + local greek_18 = (lpeg.P("~") * lpeg.Cs(1) * lpeg.P('|')) / replace_18 + local greek_19 = (lpeg.P("'") * lpeg.Cs(1) ) / replace_19 + local greek_20 = (lpeg.P("`") * lpeg.Cs(1) ) / replace_20 + local greek_21 = (lpeg.P("~") * lpeg.Cs(1) ) / replace_21 + local greek_22 = (lpeg.P("<") * lpeg.Cs(1) ) / replace_22 + local greek_23 = (lpeg.P(">") * lpeg.Cs(1) ) / replace_23 + local greek_24 = (lpeg.Cs(1) * lpeg.P('|') ) / replace_24 + local greek_25 = (lpeg.P('"') * lpeg.Cs(1) ) / replace_25 + local greek_26 = (lpeg.Cs(1) ) / replace_26 + + local skips = + skips_01 + skips_02 + + local greek = + greek_01 + greek_02 + greek_03 + greek_04 + greek_05 + + greek_06 + greek_07 + greek_08 + greek_09 + greek_10 + + greek_11 + greek_12 + greek_13 + greek_14 + greek_15 + + greek_16 + greek_17 + greek_18 + greek_19 + greek_20 + + greek_21 + greek_22 + greek_23 + greek_24 + greek_25 + + greek_26 + + local spacing = lpeg.S(" \n\r\t") + local startgreek = lpeg.P("\\startgreek") + local stopgreek = lpeg.P("\\stopgreek") + local localgreek = lpeg.P("\\localgreek") + local lbrace = lpeg.P("{") + local rbrace = lpeg.P("}") + + local documentparser = lpeg.Cs((skips + greek + 1)^0) + + local contextgrammar = lpeg.Cs ( lpeg.P { "scan", + ["scan"] = (lpeg.V("global") + lpeg.V("local") + skips + 1)^0, + ["global"] = startgreek * ((skips + greek + 1)-stopgreek )^0 , + ["local"] = localgreek * lpeg.V("grouped"), + ["grouped"] = spacing^0 * lbrace * (lpeg.V("grouped") + skips + (greek - rbrace))^0 * rbrace, + } ) + + converters['greek'] = { + document = documentparser, + context = contextgrammar, + } -- lpeg.print(parser): 254 lines function scripts.babel.convert(filename) if filename and filename ~= empty then - local data = io.loaddata(filename) - if data then - data = parser:match(data) - io.savedata(filename .. ".utf", data) + local data = io.loaddata(filename) or "" + if data ~= "" then + local language = environment.argument("language") or "" + if language ~= "" then + local converter = converters[language] + if converter then + local structure = environment.argument("structure") or "document" + converter = converter[structure] + if converter then + input.report(string.format("converting '%s' using language '%s' with structure '%s'", filename, language, structure)) + data = converter:match(data) + local newfilename = filename .. ".utf" + io.savedata(newfilename, data) + input.report(string.format("converted data saved in '%s'", newfilename)) + else + input.report(string.format("unknown structure '%s' language '%s'", structure, language)) + end + else + input.report(string.format("no converter for language '%s'", language)) + end + else + input.report(string.format("provide language")) + end + else + input.report(string.format("no data in '%s'",filename)) end end end + --~ print(contextgrammar:match [[ + --~ oeps abg \localgreek{a} + --~ \startgreek abg \stopgreek \oeps + --~ oeps abg \localgreek{a{b}\oeps g} + --~ ]]) + end -banner = banner .. " | conversion tools " +banner = banner .. " | babel conversion tools " messages.help = [[ +--language=string conversion language (e.g. greek) +--structure=string obey given structure (e.g. 'document', default: 'context') --convert convert babel codes into utf ]] @@ -366,3 +427,4 @@ if environment.argument("convert") then else input.help(banner,messages.help) end + |