new (semi-old) luatex package odsfile (13aug12)

git-svn-id: svn://tug.org/texlive/trunk@27395 c570f23f-e606-0410-a88d-b1316a301751

2 files changed, 358 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/lualatex/odsfile/odsfile.lua b/Master/texmf-dist/tex/lualatex/odsfile/odsfile.lua
new file mode 100644
index 00000000000..d305fb48a5f
--- /dev/null
+++ b/Master/texmf-dist/tex/lualatex/odsfile/odsfile.lua
@@ -0,0 +1,178 @@
+module(...,package.seeall)
+require "zip"
+xmlparser = require ("luaxml-mod-xml")
+handler = require("luaxml-mod-handler")
+
+
+function load(filename)
+  local p = {
+    file = zip.open(filename),
+    content_file_name = "content.xml",
+    loadContent = function(self,filename)
+      local treehandler = handler.simpleTreeHandler()
+      local filename = filename or self.content_file_name  
+      local xmlfile = self.file:open(filename)
+      local text = xmlfile:read("*a")
+      local xml = xmlparser.xmlParser(treehandler)
+      xml:parse(text)
+      return treehandler
+    end
+  }
+  return p
+end
+
+function getTable(x,table_name)
+  local tables = x.root["office:document-content"]["office:body"]["office:spreadsheet"]["table:table"]
+  if #tables > 1 then
+    if type(tables) == "table" and table_name ~= nil then 
+        for k,v in pairs(tables) do
+          if(v["_attr"]["table:name"]==table_name) then
+            return v, k
+          end 
+        end
+    elseif type(tables) == "table" and table_name == nil then
+      return tables[1], 1  
+    else 
+      return tables  
+    end
+  else 
+    return tables
+  end
+end
+
+function tableValues(tbl,x1,y1,x2,y2)
+  local t= {}
+  if type(tbl["table:table-row"])=="table" then
+    local rows = table_slice(tbl["table:table-row"],y1,y2)
+    for k,v in pairs(rows) do
+      -- In every sheet, there are two rows with no data at the bottom, we need to strip them
+      if(v["_attr"] and v["_attr"]["table:number-rows-repeated"] and tonumber(v["_attr"]["table:number-rows-repeated"])>10000) then break end
+      local j = {}
+      if #v["table:table-cell"] > 1 then
+        local r = table_slice(v["table:table-cell"],x1,x2)
+        for p,n in pairs(r) do
+          table.insert(j,{value=n["text:p"] or "",attr=n["_attr"]})
+        end
+      else
+        local p = {value=v["table:table-cell"]["text:p"],attr=v["table:table-cell"]["_attr"]} 
+        table.insert(j,p) 
+      end  
+      table.insert(t,j)
+    end
+  end
+  return t
+end
+
+function getRange(range)
+  local r = range:lower()
+  local function getNumber(s)
+    if s == "" or s == nil then return nil end
+    local f,ex = 0,0
+    for i in string.gmatch(s:reverse(),"(.)") do
+      f = f + (i:byte()-96) * 26 ^ ex
+      ex = ex + 1 
+    end
+    return f
+  end
+  for x1,y1,x2,y2 in r:gmatch("(%a*)(%d*):*(%a*)(%d*)") do
+    return getNumber(x1),tonumber(y1),getNumber(x2),tonumber(y2) 
+   --print(string.format("%s, %s, %s, %s",getNumber(x1),y1,getNumber(x2),y2))
+  end
+end
+
+function table_slice (values,i1,i2)
+  -- Function from http://snippets.luacode.org/snippets/Table_Slice_116
+  local res = {}
+  local n = #values
+  -- default values for range
+  i1 = i1 or 1
+  i2 = i2 or n
+  if i2 < 0 then
+    i2 = n + i2 + 1
+  elseif i2 > n then
+    i2 = n
+  end
+  if i1 < 1 or i1 > n then
+    return {}
+  end
+  local k = 1
+  for i = i1,i2 do
+    res[k] = values[i]
+    k = k + 1
+  end
+  return res
+end
+
+function interp(s, tab)
+  return (s:gsub('(-%b{})', 
+    function(w) 
+      s = w:sub(3, -2)
+      s = tonumber(s) or s
+      return tab[s] or w 
+    end)
+  )
+end
+
+
+-- Interface for adding new rows to the spreadsheet
+
+function newRow()
+  local p = {
+    pos = 0,
+    cells = {},
+    -- Generic function for inserting cell
+    addCell = function(self,val, attr,pos)
+      if pos then
+        table.insert(self.cells,pos,{["text:p"] = val, ["_attr"] = attr})
+        self.pos = pos
+      else
+        self.pos = self.pos + 1
+        table.insert(self.cells,self.pos,{["text:p"] = val, ["_attr"] = attr})
+      end
+    end, 
+    addString = function(self,s,attr,pos)
+      local attr = attr or {}
+      attr["office:value-type"] = "string"
+      self:addCell(s,attr,pos)
+    end,
+    addFloat = function(self,i,attr,pos)
+      local attr = attr or {}
+      local s = tonumber(i) or 0
+      s = tostring(s)
+      attr["office:value-type"] = "float"
+      attr["office:value"] = s
+      self:addCell(s,attr,pos)
+    end, 
+    findLastRow = function(self,sheet)
+      for i= #sheet["table:table-row"],1,-1 do
+        if sheet["table:table-row"][i]["_attr"]["table:number-rows-repeated"] then
+          return i
+        end
+      end
+      return #sheet["table:table-row"]+1
+    end,
+    insert = function(self, sheet, pos)
+      local t = {}
+      local pos = pos or self:findLastRow(sheet)
+      print("pos je: ",pos)
+      if sheet["table:table-column"]["_attr"] and sheet["table:table-column"]["_attr"]["table:number-columns-repeated"] then
+	table_columns = sheet["table:table-column"]["_attr"]["table:number-columns-repeated"]
+      else 
+	table_columns = #sheet["table:table-column"]
+      end
+      for i=1, table_columns do
+        table.insert(t,self.cells[i] or {})  
+      end
+      t = {["table:table-cell"]=t}
+      table.insert(sheet["table:table-row"],pos,t)
+    end
+  }
+  return p
+end
+
+
+-- function for updateing the archive. Depends on external zip utility
+function updateZip(zipfile, updatefile)
+  local command  =  string.format("zip %s %s",zipfile, updatefile)
+  print ("Updating an ods file.\n" ..command .."\n Return code: ", os.execute(command))  
+end
diff --git a/Master/texmf-dist/tex/lualatex/odsfile/odsfile.sty b/Master/texmf-dist/tex/lualatex/odsfile/odsfile.sty
new file mode 100644
index 00000000000..b4c7f617e18
--- /dev/null
+++ b/Master/texmf-dist/tex/lualatex/odsfile/odsfile.sty
@@ -0,0 +1,180 @@
+\ProvidesPackage{odsfile.sty}
+\RequirePackage{luacode,xkeyval}
+
+%keyval keys
+
+\define@key{includespread}{file}{\loadodsfile{#1}}
+\define@key{includespread}{sheet}{\luaexec{sheetname = "\luatexluaescapestring{#1}"}}
+\define@key{includespread}{range}{\luaexec{%
+local x1,y1,x2,y2 = odsreader.getRange("\luatexluaescapestring{#1}")%
+range = {x1,y1,x2,y2}%
+}}
+\define@key{includespread}{template}{\luaexec{currenttemplate="\luatexluaescapestring{#1}"}}
+\define@key{includespread}{rowtemplate}{\luaexec{rowtemplate="\luatexluaescapestring{\unexpanded{#1}}"}}
+
+\define@choicekey*+{includespread}{rowseparator}[\val\nr]{tableline,hline,newline}[tableline]%
+{%
+\ifcase\nr\relax%
+  \luaexec{rowseparator=""}%
+\or%
+  \luaexec{rowseparator="\\hline "}%
+\or
+\luaexec{%
+rowseparator=[[\\n]]
+}
+\fi%
+}{%
+	\luaexec{rowseparator="\luatexluaescapestring{#1}"}
+}
+
+\define@choicekey*+{includespread}{columns}[\val\nr]{head,top,none}{%
+\ifcase\nr\relax%
+  \luaexec{columns=1}%
+\or%
+  \luaexec{columns=2}%
+\fi%
+}{%
+\luaexec{%
+local function split(s,sep)
+        local sep, fields = sep or ":", {}
+        local pattern = string.format("([^\%s]+)", sep)
+        s:gsub(pattern, function(c) fields[\#fields+1] = c end)
+        return fields
+end
+local s="\luatexluaescapestring{#1}"
+columns = split(s,",")
+}%
+}{}%
+
+
+% Variable initialization and helper functions
+\begin{luacode*}
+odsreader   = require("odsfile")
+odsfile     = nil
+sheetname   = nil
+range       = {nil,nil,nil,nil}
+columns     = nil
+templates   = {}
+row         = {}
+body        = nil
+odsfilename = ""
+currenttemplate = nil
+rowtemplate=nil
+\end{luacode*}
+
+\newcommand\loadodsfile[2][]{%
+  \setkeys{includespread}{#1}%
+  \luaexec{%
+    odsfilename     = "\luatexluaescapestring{#2}"%
+    local ods   = odsreader.load(odsfilename)%
+    odsfile, e  = ods:loadContent()%
+  }%
+}
+
+\newcommand\tabletemplate[2]{%
+  \luaexec{%
+    templates["#1"]="\luatexluaescapestring{\unexpanded{#2}}"
+  }
+}
+
+\newcommand\includespread[1][]{%
+  \luaexec{%
+    range = {nil,nil,nil,nil}
+    rowseparator = ""
+    columns=nil
+    currenttemplate = nil 
+    rowtemplate = nil
+  }%
+  \setkeys{includespread}{#1}%
+  \luaexec{%
+    body   = odsreader.getTable(odsfile,sheetname)
+    local values = odsreader.tableValues(body,range[1],range[2],range[3],range[4])
+    %-- Conversion of odsfile table values to LaTeX tabular  
+    local rowValues = function(row)
+      local t={} 
+      for _,column in pairs(row) do table.insert(t,column.value) end
+      return t
+    end
+    if rowtemplate == nil then
+      currenttemplate = currenttemplate or "default"
+      content = {}   
+      for i,row in pairs(values) do
+      	table.insert(content,table.concat(rowValues(row)," & "))
+      end
+      %-- Column headings handling
+      local colheading=""
+      if type(columns) == "number" and columns == 1 then
+      	columns = rowValues(values[1])
+      	content = odsreader.table_slice(content,2,nil)
+      elseif type(columns) == "number" and columns == 2 then
+      	local t = odsreader.tableValues(body,range[1],1,range[3],2)
+      	columns = rowValues(t[1])
+      end  
+      if type(columns) == "table" then colheading = table.concat(columns," & ") .. "\\\\" end
+      coltypes = ""
+      if type(content)== "table" then coltypes= string.rep("l",\#content[1]) end
+      tex.print(odsreader.interp(templates[currenttemplate],{content=table.concat(content, "\\\\ "..rowseparator),coltypes=coltypes,colheading=colheading,rowsep=rowseparator}))
+    else
+      local content = {}  
+      currenttemplate = currenttemplate or "empty"
+      for _,row in pairs(values) do
+        table.insert(content,odsreader.interp(rowtemplate,rowValues(row)))
+      end
+      content = table.concat(content,rowseparator) 
+      tex.sprint(odsreader.interp(templates[currenttemplate],{content=content}))
+    end
+  }
+}
+
+\tabletemplate{empty}{-{content}}
+
+\tabletemplate{default}{-{colheading}-{rowsep}-{content}}
+
+\tabletemplate{booktabs}{%
+\begin{tabular}{-{coltypes}}
+\toprule
+-{colheading}
+\midrule
+-{content}
+\\ \bottomrule
+\end{tabular}
+}
+
+% Interface for adding of new rows
+
+\newenvironment{AddRow}[1][]{%
+\def\AddString##1##2{% 
+\luaexec{%
+local pos = "\luatexluaescapestring{##2}"%
+if pos == "" then pos = nil end; row:addString("\luatexluaescapestring{\unexpanded{##1}}",nil,pos)%
+}%
+}%
+\def\AddNumber##1##2{%
+\luaexec{%
+local pos = "\luatexluaescapestring{##2}"%
+if pos == "" then pos = nil end; row:addFloat("\luatexluaescapestring{##1}",nil,pos)%
+}%
+}%
+\luaexec{%
+pos = "\luatexluaescapestring{#1}"%
+if pos == "" then pos = nil end; row = odsreader.newRow()%
+}%
+}{%
+\luaexec{%
+body = body or odsreader.getTable(odsfile)
+row:insert(body,pos)%
+}%
+}
+
+% Interface for saving the spreadsheet
+
+\newcommand\savespreadsheet{%
+\luaexec{%
+ local xml = require("luaxml-mod-xml")
+ f = io.open("content.xml","w")%
+ f:write(xml.serialize(odsfile.root))%
+ f:close()%
+ odsreader.updateZip(odsfilename,"content.xml")%
+}%
+}
+\endinput