diff options
Diffstat (limited to 'lib/getopts.lua')
| -rw-r--r-- | lib/getopts.lua | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/lib/getopts.lua b/lib/getopts.lua deleted file mode 100644 index 68271b9..0000000 --- a/lib/getopts.lua +++ /dev/null @@ -1,322 +0,0 @@ -module (..., package.seeall) -require("fs") - --- Create a new config file entry --- see function description for setoptsinfile --- line is the current line for this name:value if it exists -local create_entry = function(search_name, value, to_table, optionvalue, line) - local oldvalue, comment = "", "" - if line then - -- find the old value - oldvalue = string.match ( line, '^%s*%S+%s*%=%s*(.*)$' ) or "" - -- split out comment - if string.find ( oldvalue, '#' ) then - oldvalue, comment = string.match ( oldvalue, '^(.*)(#.*)$' ) - if comment then - comment = " " .. string.match ( comment, '^(.*%S)%s*$' ) - else - comment = "" - end - end - -- remove spaces - oldvalue = string.match ( oldvalue, '^%s*(.*%S)%s*$' ) or "" - end - - if to_table == true then - local table = opts_to_table(oldvalue) or {} - table[value] = optionvalue - return search_name .. "=" .. table_to_opts(table) .. comment - else - if value then - return search_name .. "=" .. value .. comment - else - return nil - end - end -end - --- Search the option string for separate options (-x or --xyz) and put them in a table -opts_to_table = function ( optstring, filter ) - local optsparams - if optstring then - local optstr = optstring .. " " - for o in string.gmatch(optstr, "%-%-?%a+%s+[^-%s]*") do - local option = string.match(o, "%-%-?%a+") - if not filter or filter == option then - if not optsparams then optsparams = {} end - optsparams[option] = string.match(o, "%S*$") - end - end - end - return optsparams -end - --- Go through an options table and create the option string -table_to_opts = function ( optsparams ) - local optstring = {} - for opt,val in pairs(optsparams) do - if val ~= "" then - optstring[#optstring + 1] = opt .. " " .. val - else - optstring[#optstring + 1] = opt - end - end - return table.concat(optstring, " ") -end - --- Set a name=value pair --- If search_section is undefined or "", goes in the default section --- If to_table is false or undefined --- if value is defined we put "search_name=value" into search_section --- if value is undefined, we clear search_name out of search section --- If to_table is true (and value is defined) --- if optionvalue defined, we add "search_value optionvalue" to the value for search_name in search_section --- if optionvalue undefined, we remove search_value from the value of search_name in search_section --- Try not to touch anything but the value we're interested in (although will combine multi-line into one) --- If the search_section is not found, we'll add it at the end of the file --- If the search_name is not found, we'll add it at the end of the section -function setoptsinfile (file, search_section, search_name, value, to_table, optionvalue) - if not file or not search_name or search_name == "" or (to_table == true and not value) then - return false, nil, "Invalid input for getopts.setoptsinfile()", file - end - search_section = search_section or "" - local conf_file = {} - if (fs.is_file(file)) then - conf_file = fs.read_file_as_array ( file ) - else - for line in string.gmatch(file, "([^\n]*)\n") do - conf_file[#conf_file + 1] = line - end - local extra = string.match(file,"([^\n]*)$") - if extra ~= "" then - conf_file[#conf_file + 1] = extra - end - end - local new_conf_file = {} - local section = "" - local done = false - local skip_lines = 0 - for i,l in ipairs(conf_file) do - if skip_lines>0 then - skip_lines = skip_lines-1 - else - -- check if comment line - if done == false and not string.find ( l, "^%s*#" ) then - -- first, concat lines - local j = 1 - while string.find ( l, "\\%s*$" ) and conf_file[i+j] do - l = string.match ( l, "^(.*)\\%s*$" ) .. " " .. conf_file[i+j] - j = j+1 - end - if j>1 then skip_lines = j-1 end - -- find section name - local a = string.match ( l, "^%s*%[%s*(%S+)%s*%]" ) - if a then - -- we reached a new section, if we were in the one we wanted - -- we have to add in the name:value pair now - if (search_section == section) then - new_conf_file[#new_conf_file + 1] = create_entry(search_name, value, to_table, optionvalue, nil) - done = true - end - section = a - elseif (search_section == section) then - -- find name - a = string.match ( l, "^%s*(%S+)%s*=" ) - if a and (search_name == a) then - -- We found the name, change the value - l = create_entry(search_name, value, to_table, optionvalue, l) - done = true - end - end - end - new_conf_file[#new_conf_file + 1] = l - end - end - - if done == false then - -- we didn't find the section:name, add it now - if section ~= search_section then - new_conf_file[#new_conf_file + 1] = '[' .. search_section .. ']' - end - new_conf_file[#new_conf_file + 1] = create_entry(search_name, value, to_table, optionvalue, nil) - end - - if (fs.is_file(file)) then - fs.write_file(file, table.concat(new_conf_file, '\n')) - else - file = table.concat(new_conf_file, '\n') - end - - return true, "File has been modified!", nil, file -end - --- Parse file for name=value pairs, returned in a table --- If search_section is defined, only report values in matching section --- If search_name is defined, only report matching name (possibly in multiple sections) --- If to_table is true, attempt to convert value string to array of options --- If filter is defined (and table is true), only list option matching filter -function getoptsfromfile (file, search_section, search_name, to_table, filter) - if not file or file == "" then - return nil - end - local opts = nil - local conf_file = {} - if (fs.is_file(file)) then - conf_file = fs.read_file_as_array ( file ) - else - for line in string.gmatch(file, "([^\n]*)\n") do - conf_file[#conf_file + 1] = line - end - local extra = string.match(file,"([^\n]*)$") - if extra ~= "" then - conf_file[#conf_file + 1] = extra - end - end - local section = "" - local skip_lines = 0 - for i,l in ipairs(conf_file) do - if skip_lines>0 then - skip_lines = skip_lines-1 - -- check if comment line - elseif not string.find ( l, "^%s*#" ) then - -- first, concat lines - local j = 1 - while string.find ( l, "\\%s*$" ) and conf_file[i+j] do - l = string.match ( l, "^(.*)\\%s*$" ) .. " " .. conf_file[i+j] - j = j+1 - end - if j>1 then skip_lines = j-1 end - -- find section name - local a = string.match ( l, "^%s*%[%s*(%S+)%s*%]" ) - if a then - section = a - elseif not (search_section) or (search_section == section) then - -- find name - a = string.match ( l, "^%s*(%S+)%s*=" ) - if a and (not (search_name) or (search_name == a)) then - -- Figure out the value - local b = string.match ( l, '^%s*%S+%s*%=%s*(.*)$' ) or "" - -- remove comments from end of line - if string.find ( b, '#' ) then - b = string.match ( b, '^(.*)#.*$' ) or "" - end - -- remove spaces from front and back - b = string.match ( b, '^%s*(.*%S)%s*$' ) or "" - -- finally, remove quotes - if #b > 1 and string.sub(b,1,1) == '"' and string.sub(b,-1) == '"' then - b = string.sub(b,2,-2) or "" - end - if to_table == true then - local optstable = opts_to_table(b,filter) - if (optstable) then - if not (opts) then opts = {} end - if not (opts[section]) then opts[section] = {} end - opts[section][a] = optstable - ---[[ Next line is DEBUG info. Should be commented out! - --opts[a]["debug"] = b - -- End debug info. --]] - end - else - if not (opts) then opts = {} end - if not (opts[section]) then opts[section] = {} end - opts[section][a] = b - end - end - end - end - end - - if opts and search_section and search_name then - return opts[search_section][search_name] - elseif opts and search_section then - return opts[search_section] - end - return opts -end - -function getsection (file, search_section) - if not file or file == "" then - return nil - end - search_section = search_section or "" - local conf_file = {} - if (fs.is_file(file)) then - conf_file = fs.read_file_as_array ( file ) - else - for line in string.gmatch(file, "([^\n]*)\n") do - conf_file[#conf_file + 1] = line - end - local extra = string.match(file,"([^\n]*)$") - if extra ~= "" then - conf_file[#conf_file + 1] = extra - end - end - local sectionlines = {} - local section = "" - for i,l in ipairs(conf_file) do - -- find section name - local a = string.match ( l, "^%s*%[%s*(%S+)%s*%]" ) - if a then - if (search_section == section) then break end - section = a - elseif (search_section == section) then - sectionlines[#sectionlines + 1] = l - end - end - - return table.concat(sectionlines, "\n") -end - -function setsection (file, search_section, section_content) - if not file then - return false, nil, "Invalid input for getopts.setoptsinfile()", file - end - search_section = search_section or "" - local conf_file = {} - if (fs.is_file(file)) then - conf_file = fs.read_file_as_array ( file ) - else - for line in string.gmatch(file, "([^\n]*)\n") do - conf_file[#conf_file + 1] = line - end - local extra = string.match(file,"([^\n]*)$") - if extra ~= "" then - conf_file[#conf_file + 1] = extra - end - end - local new_conf_file = {} - local done = false - local section = "" - for i,l in ipairs(conf_file) do - -- find section name - if not done then - local a = string.match ( l, "^%s*%[%s*(%S+)%s*%]" ) - if a then - if (search_section == section) then - done = true - else - section = a - if (search_section == section) then - l = l .. "\n" .. (section_content or "") - end - end - elseif (search_section == section) then - l = nil - end - end - new_conf_file[#new_conf_file + 1] = l - end - - if not done then - -- we didn't find the section, add it now - new_conf_file[#new_conf_file + 1] = '[' .. search_section .. ']\n' .. (section_content or "") - end - - if (fs.is_file(file)) then - fs.write_file(file, table.concat(new_conf_file, '\n')) - else - file = table.concat(new_conf_file, '\n') - end - - return true, "File has been modified!", nil, file -end |