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#!/usr/bin/env texlua
-----------------------------------------------------------------------
-- FILE: xindex.lua
-- DESCRIPTION: create an index
-- REQUIREMENTS:
-- AUTHOR: Herbert Voß
-- LICENSE: LPPL 1.3
-----------------------------------------------------------------------
xindex = xindex or { }
local version = 0.09
xindex.version = version
--xindex.self = "xindex"
--[[doc--
xindex(1)
This file is provided under the terms of the LPPL v1.3 or
later as printed in full text in the manual (xindex.pdf).
\url{https://ctan.org/license/lppl1.3}.
Report bugs to
\url{https://gitlab.com/hvoss49/xindex/issues}.
--doc]]--
kpse.set_program_name("luatex")
require("lualibs") -- all part of LuaTeX
require('unicode')
require('string')
require("lpeg")
local args = require ('xindex-lapp') [[
parameter handling
-q,--quiet
-h,--help
-v... Verbosity level; can be -v, -vv, -vvv
-c,--config (default cfg)
-e,--escapechar (default ")
-n,--noheadings
-o,--output (default "")
-l,--language (default en)
-p,--prefix (default "")
<input> (string)
]]
--[[
No -v flag, v is just { false }. not args.v[1] is true, so vlevel becomes 0.
One -v flags, v is { true }
Two -v flags, v is { true, true }
Three -v flags, v is { true, true, true }
]]
vlevel = not args.v[1] and 0 or #args.v
not_quiet = not args["quiet"]
local luaVersion = _VERSION
if (luaVersion < "Lua 5.3") then
print("=========================================")
print("Sorry. but we need at least LuaTeX 1.09")
print("Leaving program xindex")
print("=========================================")
os.exit()
end
--local inspect = require 'inspect'
--print(inspect(args))
--[[
if args.h then
print(
Syntax: xinput [options] <file>
By default the Lua program "xindex" creates a so-called
.ind file, which has the same main filename as the input file
unless you are using the option "-o <output file>" There will
be no log file created.
)
end
]]
--[[
if not args["input"] then
io.write ("Filename: ")
inFile = io.read()
else
inFile = args["input"]
end
]]
require('xindex-lib')
inFile = args["input"]
if not file_exists(inFile) then
if file_exists(inFile..".idx") then
inFile = inFile..".idx"
else
writeLog(2,"Inputfile "..inFile.." or "..inFile..".idx not found!\n",0)
os.exit()
end
end
local filename
local logfilename
if args["output"] == '""' then
if inFile:sub(inFile:len()-3,inFile:len()) == ".idx" then
filename = inFile:sub(1,inFile:len()-3).."ind"
logfilename = inFile:sub(1,inFile:len()-3).."ilg"
else
filename = inFile..".ind"
logfilename = inFile..".ilg"
end
else
filename = args.output
logfilename = filename:gsub('%p...','')..".ilg"
end
logFile = io.open(logfilename,"w+")
writeLog(2,"xindex v."..version.." (c) Herbert Voß\n",-1)
writeLog(1,"Verbose level = "..vlevel.."\n",1)
writeLog(2,"Open outputfile "..filename,0)
outFile = io.open(filename,"w+")
writeLog(2," ... done\n",0)
if vlevel > 0 then
writeLog(1,"---------- parameter ----------\n",1)
for k,v in pairs(args) do
writeLog(1,tostring(k)..", "..tostring(v).."\n",1)
end
for k=1,#args.v do
writeLog(1,"v["..k.."]= "..tostring(args.v[k]).."\n",1)
end
writeLog(1,"---------- parameter ----------\n",1)
end
writeLog(2,"Using input file: "..inFile.."\n",0)
labelPrefix = args.prefix
writeLog(2,"Label prefix: "..labelPrefix.."\n",-1)
writeLog(2,"Loading common config file ".."xindex-cfg-common\n",1)
Config_File_Common = kpse.find_file("xindex-cfg-common.lua")
cfg_common = require(Config_File_Common)
local config_file = "xindex-"..args.config..".lua"
writeLog(2,"Loading local config file "..config_file,0)
Config_File = kpse.find_file(config_file)
cfg = require(Config_File)
writeLog(2," ... done\n",0)
local esc_char = args.escapechar
writeLog(2,"Escapechar = "..esc_char.."\n",1)
escape_chars = { -- by default " is the escape char
{esc_char..'"', '//escapedquote//', '\\"{}' },
{esc_char..'@', '//escapedat//', '@' },
{esc_char..'|', '//escapedvert//', "|" },
{esc_char..'!', '//scapedexcl//', '!' }
}
language = string.lower(args["language"])
writeLog(2,"Language = "..language.."\n",1)
index_header = indexheader[language]
if vlevel > 0 then for i=1,#index_header do writeLog(2,index_header[i].."\n",1) end end
page_folium = folium[language]
no_headings = args["noheadings"]
if no_headings then
writeLog(1,"Output with NO headings between different first letter\n",1)
else
writeLog(1,"Output with headings between different first letter\n",1)
end
writeLog(2,"Open outputfile "..filename,0)
outFile = io.open(filename,"w+")
writeLog(2,"... done\n",0)
writeLog(1,"Starting base file ... \n",2)
BaseRunFile = kpse.find_file("xindex-base.lua")
dofile(BaseRunFile)
logFile:close()
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