diff options
Diffstat (limited to 'tex/context/base/back-exp.lua')
| -rw-r--r-- | tex/context/base/back-exp.lua | 112 |
1 files changed, 103 insertions, 9 deletions
diff --git a/tex/context/base/back-exp.lua b/tex/context/base/back-exp.lua index 543239126..49ea38041 100644 --- a/tex/context/base/back-exp.lua +++ b/tex/context/base/back-exp.lua @@ -26,9 +26,16 @@ local insert, remove = table.insert, table.remove local topoints = number.topoints local utfvalues = string.utfvalues -local trace_export = false trackers.register ("structures.export", function(v) trace_export = v end) -local less_state = false directives.register("structures.export.lessstate", function(v) less_state = v end) -local show_comment = true directives.register("structures.export.comment", function(v) show_comment = v end) +local trace_export = false trackers.register ("export.trace", function(v) trace_export = v end) +local less_state = false directives.register("export.lessstate", function(v) less_state = v end) +local show_comment = true directives.register("export.comment", function(v) show_comment = v end) + +-- maybe we will also support these: +-- +-- local css_hyphens = false directives.register("export.css.hyphens", function(v) css_hyphens = v end) +-- local css_textalign = false directives.register("export.css.textalign", function(v) css_textalign = v end) +-- local css_bodyfontsize = false directives.register("export.css.bodyfontsize", function(v) css_bodyfontsize = v end) +-- local css_textwidth = false directives.register("export.css.textwidth", function(v) css_textwidth = v end) local report_export = logs.reporter("backend","export") @@ -84,6 +91,8 @@ local traverse_id = node.traverse_id local traverse_nodes = node.traverse local slide_nodelist = node.slide local texattribute = tex.attribute +local texdimen = tex.dimen +local texcount = tex.count local unsetvalue = attributes.unsetvalue local locate_node = nodes.locate @@ -113,11 +122,15 @@ local currentparagraph = nil local noftextblocks = 0 local attributehash = { } -- to be considered: set the values at the tex end +local hyphencode = 0xAD local hyphen = utfchar(0xAD) -- todo: also emdash etc local colonsplitter = lpeg.splitat(":") local dashsplitter = lpeg.splitat("-") local threshold = 65536 local indexing = false +local keephyphens = false + +local finetuning = { } local treestack = { } local nesting = { } @@ -138,6 +151,19 @@ local somespace = { [0x20] = true, [" "] = true } -- for testing local entities = { ["&"] = "&", [">"] = ">", ["<"] = "<" } local attribentities = { ["&"] = "&", [">"] = ">", ["<"] = "<", ['"'] = "quot;" } +local alignmapping = { + flushright = "right", + middle = "center", + flushleft = "left", +} + +local numbertoallign = { + [0] = "justify", ["0"] = "justify", [variables.normal ] = "justify", + [1] = "right", ["1"] = "right", [variables.flushright] = "right", + [2] = "center", ["2"] = "center", [variables.middle ] = "center", + [3] = "left", ["3"] = "left", [variables.flushleft ] = "left", +} + local defaultnature = "mixed" -- "inline" setmetatableindex(used, function(t,k) @@ -258,9 +284,23 @@ end -- experiment: styles and images +-- +-- officially we should convert to bp but we round anyway local usedstyles = { } +-- /* padding : ; */ +-- /* text-justify : inter-word ; */ + +local documenttemplate = [[ +document { + font-size : %s !important ; + max-width : %s !important ; + text-align : %s !important ; + hyphens : %s !important ; +} +]] + local styletemplate = [[ %s[detail='%s'] { font-style : %s ; @@ -271,6 +311,36 @@ local styletemplate = [[ local function allusedstyles(xmlfile) local result = { format("/* styles for file %s */",xmlfile) } + -- + local bodyfont = finetuning.bodyfont + local width = finetuning.width + local hyphen = finetuning.hyphen + local align = finetuning.align + -- + if not bodyfont or bodyfont == "" then + bodyfont = "12pt" + elseif type(bodyfont) == "number" then + bodyfont = number.todimen(bodyfont,"pt","%ipt") or "12pt" + end + if not width or width == "" then + width = "50em" + elseif type(width) == "number" then + width = number.todimen(width,"pt","%ipt") or "50em" + end + if hyphen == variables.yes then + hyphen = "manual" + else + hyphen = "inherited" + end + if align then + align = numbertoallign[align] + end + if not align then + align = hyphens and "justify" or "inherited" + end + -- + result[#result+1] = format(documenttemplate,bodyfont,width,align,hyphen) + -- for element, details in table.sortedpairs(usedstyles) do for detail, data in table.sortedpairs(details) do local s = xml.css.fontspecification(data.style) @@ -517,9 +587,9 @@ function extras.image(result,element,detail,n,fulltag,di) if data then result[#result+1] = attribute("name",data.name) if tonumber(data.page) > 1 then - result[#result+1] = format("page='%s'",data.page) + result[#result+1] = format(" page='%s'",data.page) end - result[#result+1] = format("id='%s' width='%s' height='%s'",fulltag,data.width,data.height) + result[#result+1] = format(" id='%s' width='%s' height='%s'",fulltag,data.width,data.height) end end @@ -670,6 +740,8 @@ function extras.link(result,element,detail,n,fulltag,di) end end +-- no settings, as these are obscure ones + local automathrows = true directives.register("backend.export.math.autorows", function(v) automathrows = v end) local automathapply = true directives.register("backend.export.math.autoapply", function(v) automathapply = v end) local automathnumber = true directives.register("backend.export.math.autonumber", function(v) automathnumber = v end) @@ -1065,7 +1137,7 @@ function extras.tablecell(result,element,detail,n,fulltag,di) local v = hash.align if not v or v == 0 then -- normal - elseif v == 1 then + elseif v == 1 then -- use numbertoalign here result[#result+1] = " align='flushright'" elseif v == 2 then result[#result+1] = " align='middle'" @@ -1788,6 +1860,13 @@ local function collectresults(head,list) -- is last used (we also have currentat collectresults(n.list,n) end elseif id == disc_code then -- probably too late + if keephyphens then + local pre = n.pre + if pre and not pre.next and pre.id == glyph_code and pre.char == hyphencode then + nofcurrentcontent = nofcurrentcontent + 1 + currentcontent[nofcurrentcontent] = hyphen + end + end collectresults(n.replace,nil) elseif id == glue_code then -- we need to distinguish between hskips and vskips @@ -1859,7 +1938,9 @@ local function collectresults(head,list) -- is last used (we also have currentat if type(r) == "string" and r ~= " " then local s = utfsub(r,-1) if s == hyphen then - currentcontent[nofcurrentcontent] = utfsub(r,1,-2) + if not keephyphens then + currentcontent[nofcurrentcontent] = utfsub(r,1,-2) + end elseif s ~= "\n" then -- test without this if trace_export then @@ -1958,6 +2039,7 @@ local function wholepreamble() return format(xmlpreamble,tex.jobname,os.date(),environment.version,exportversion) end + local csspreamble = [[ <?xml-stylesheet type="text/css" href="%s"?> ]] @@ -2085,9 +2167,16 @@ local function stopexport(v) local templatefilename = file.replacesuffix(xmlfile,"template") local specificationfilename = file.replacesuffix(xmlfile,"specification") -- + if xhtml and not cssfile then + cssfile = true + end local cssfiles = { } - if type(cssfile) == "string" and cssfile ~= "" then - cssfiles = settings_to_array(cssfile) + if cssfile then + if cssfile == true then + cssfiles = { "export-example.css" } + else + cssfiles = settings_to_array(cssfile or "") + end insert(cssfiles,1,imagefilename) insert(cssfiles,1,stylefilename) end @@ -2145,6 +2234,11 @@ end local appendaction = nodes.tasks.appendaction local enableaction = nodes.tasks.enableaction +function commands.setupexport(t) + table.merge(finetuning,t) + keephyphens = finetuning.hyphen == variables.yes +end + local function startexport(v) if v and not exporting then report_export("enabling export to xml") |