diff options
Diffstat (limited to 'scripts/context/lua/mtx-pdf.lua')
| -rw-r--r-- | scripts/context/lua/mtx-pdf.lua | 142 |
1 files changed, 10 insertions, 132 deletions
diff --git a/scripts/context/lua/mtx-pdf.lua b/scripts/context/lua/mtx-pdf.lua index f37ee006a..5654b8bc4 100644 --- a/scripts/context/lua/mtx-pdf.lua +++ b/scripts/context/lua/mtx-pdf.lua @@ -6,21 +6,14 @@ if not modules then modules = { } end modules ['mtx-pdf'] = { license = "see context related readme files" } -local tonumber = tonumber -local format, gmatch = string.format, string.gmatch -local utfchar = utf.char -local concat = table.concat -local setmetatableindex, sortedhash, sortedkeys = table.setmetatableindex, table.sortedhash, table.sortedkeys - local helpinfo = [[ --info show some info about the given file --metadata show metadata xml blob ---fonts show used fonts (--detail) ]] local application = logs.application { name = "mtx-pdf", - banner = "ConTeXt PDF Helpers 0.10", + banner = "ConTeXt PDF Helpers 0.01", helpinfo = helpinfo, } @@ -46,8 +39,9 @@ local function loadpdffile(filename) end end -function scripts.pdf.info(filename) - local pdffile = loadpdffile(filename) +function scripts.pdf.info() + local filename = environment.files[1] + local pdffile = loadpdffile(filename) if pdffile then local catalog = pdffile.Catalog local info = pdffile.Info @@ -79,8 +73,9 @@ function scripts.pdf.info(filename) end end -function scripts.pdf.metadata(filename) - local pdffile = loadpdffile(filename) +function scripts.pdf.metadata() + local filename = environment.files[1] + local pdffile = loadpdffile(filename) if pdffile then local catalog = pdffile.Catalog local metadata = catalog.Metadata @@ -92,127 +87,10 @@ function scripts.pdf.metadata(filename) end end -local function getfonts(pdffile) - local usedfonts = { } - for i=1,pdffile.pages.n do - local page = pdffile.pages[i] - local fontlist = page.Resources.Font - for k, v in next, lpdf.epdf.expand(fontlist) do - usedfonts[k] = lpdf.epdf.expand(v) - end - end - return usedfonts -end - -local function getunicodes(font) - local cid = font.ToUnicode - if cid then - cid = cid() - local counts = { } - -- for s in gmatch(cid,"begincodespacerange%s*(.-)%s*endcodespacerange") do - -- for a, b in gmatch(s,"<([^>]+)>%s+<([^>]+)>") do - -- print(a,b) - -- end - -- end - setmetatableindex(counts, function(t,k) t[k] = 0 return 0 end) - for s in gmatch(cid,"beginbfrange%s*(.-)%s*endbfrange") do - for first, last, offset in gmatch(s,"<([^>]+)>%s+<([^>]+)>%s+<([^>]+)>") do - first = tonumber(first,16) - last = tonumber(last,16) - offset = tonumber(offset,16) - offset = offset - first - for i=first,last do - local c = i + offset - counts[c] = counts[c] + 1 - end - end - end - for s in gmatch(cid,"beginbfchar%s*(.-)%s*endbfchar") do - for old, new in gmatch(s,"<([^>]+)>%s+<([^>]+)>") do - for n in gmatch(new,"....") do - local c = tonumber(n,16) - counts[c] = counts[c] + 1 - end - end - end - return counts - end -end - -function scripts.pdf.fonts(filename) - local pdffile = loadpdffile(filename) - if pdffile then - local usedfonts = getfonts(pdffile) - local found = { } - for k, v in table.sortedhash(usedfonts) do - local counts = getunicodes(v) - local codes = { } - local chars = { } - local freqs = { } - if counts then - codes = sortedkeys(counts) - for i=1,#codes do - local k = codes[i] - local c = utfchar(k) - chars[i] = c - freqs[i] = format("U+%05X %s %s",k,counts[k] > 1 and "+" or " ", c) - end - for i=1,#codes do - codes[i] = format("U+%05X",codes[i]) - end - end - found[k] = { - basefont = v.BaseFont or "no basefont", - encoding = v.Encoding or "no encoding", - subtype = v.Subtype or "no subtype", - unicode = v.ToUnicode and "unicode" or "no unicode", - chars = chars, - codes = codes, - freqs = freqs, - } - end - - if environment.argument("detail") then - for k, v in sortedhash(found) do - report("id : %s",k) - report("basefont : %s",v.basefont) - report("encoding : %s",v.encoding) - report("subtype : %s",v.subtype) - report("unicode : %s",v.unicode) - report("characters : %s", concat(v.chars," ")) - report("codepoints : %s", concat(v.codes," ")) - report("") - end - else - local results = { { "id", "basefont", "encoding", "subtype", "unicode", "characters" } } - for k, v in sortedhash(found) do - results[#results+1] = { k, v.basefont, v.encoding, v.subtype, v.unicode, concat(v.chars," ") } - end - utilities.formatters.formatcolumns(results) - report(results[1]) - report("") - for i=2,#results do - report(results[i]) - end - report("") - end - end -end - --- scripts.pdf.info("e:/tmp/oeps.pdf") --- scripts.pdf.metadata("e:/tmp/oeps.pdf") --- scripts.pdf.fonts("e:/tmp/oeps.pdf") - -local filename = environment.files[1] or "" - -if filename == "" then - application.help() -elseif environment.argument("info") then - scripts.pdf.info(filename) +if environment.argument("info") then + scripts.pdf.info() elseif environment.argument("metadata") then - scripts.pdf.metadata(filename) -elseif environment.argument("fonts") then - scripts.pdf.fonts(filename) + scripts.pdf.metadata() else application.help() end |