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src/dog.lua
78
src/dog.lua
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@ -17,7 +17,7 @@ function dog.import()
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local lib = _G[libkey]
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if type(dogfns) == "table" then
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for fnkey, fn in pairs(dogfns) do
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if not(lib[fnkey]) then
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if not lib[fnkey] then
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lib[fnkey] = fn
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else
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local name = libkey .. "." .. fnkey .. "()"
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@ -33,7 +33,7 @@ end
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-- @param ... string: Chunks for popen
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-- @return boolean, string: Status and output of popen
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function dog.io.try(...)
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local cmd = table.concat({...}, " ") .. " 2>&1"
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local cmd = table.concat({ ... }, " ") .. " 2>&1"
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local handle = io.popen(cmd)
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local output = handle:read("*a")
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local status = (handle:close() ~= nil and true or false)
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@ -59,37 +59,27 @@ end
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-- Checks if OS is windows
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-- @return boolean: Windows or not
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function dog.os.iswin()
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return dog.os.uname() == "windows"
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end
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function dog.os.iswin() return dog.os.uname() == "windows" end
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-- Checks if OS is Unix
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-- @return boolean: Unix or not
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function dog.os.isunix()
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return dog.os.uname() ~= "windows"
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end
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function dog.os.isunix() return dog.os.uname() ~= "windows" end
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-- Gets OS language
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-- @return string, string, string: Language, locale and encoding
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function dog.os.lang()
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local lang = os.getenv("LANG")
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if lang ~= nil then
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return lang:match("(%w%w)_?(%w?%w?)%.?(.*)")
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end
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if lang ~= nil then return lang:match("(%w%w)_?(%w?%w?)%.?(.*)") end
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return "en", "US", "UTF-8"
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end
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-- Checks if string is empty
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-- @return boolean: Empty or not
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function dog.string.isempty(str)
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return str == ''
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end
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function dog.string.isempty(str) return str == "" end
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-- Changes newlines so everything is in one line
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-- @return string: String with formatted newlines as literal "\n"
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function dog.string.linearize(str)
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return str:gsub("\n", "\\n")
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end
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function dog.string.linearize(str) return str:gsub("\n", "\\n") end
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-- Normalizes string
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-- @return string: Normalized string
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@ -130,15 +120,11 @@ end
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-- Removes spaces at the beginning of the string
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-- @return string: Left stripped string
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function dog.string.lstrip(str)
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return str:gsub("^%s+", "")
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end
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function dog.string.lstrip(str) return str:gsub("^%s+", "") end
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-- Removes spaces at the end of the string
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-- @return string: Right stripped string
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function dog.string.rstrip(str)
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return str:gsub("%s+$", "")
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end
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function dog.string.rstrip(str) return str:gsub("%s+$", "") end
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-- Removes spaces at the beginning and at the end of the string
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-- @return string: Stripped string
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@ -148,25 +134,19 @@ function dog.string.strip(str)
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end
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-- Alias of strip
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function dog.string.trim(str)
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return dog.string.strip(str)
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end
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function dog.string.trim(str) return dog.string.strip(str) end
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-- The following are heavily influenced by Python pathlib
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-- Check: https://docs.python.org/3/library/pathlib.html
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-- Checks if string is a file or a directory
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-- @return boolean: Exists or not
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function dog.string.exists(str)
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return os.rename(str, str) ~= nil
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end
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function dog.string.exists(str) return os.rename(str, str) ~= nil end
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-- Checks if string is a file
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-- @return boolean: File or not
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function dog.string.isfile(str)
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if dog.string.exists(str) then
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return io.open(str, "a+") ~= nil
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end
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if dog.string.exists(str) then return io.open(str, "a+") ~= nil end
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return false
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end
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@ -184,9 +164,7 @@ end
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-- Reads file content as string
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-- @return string or nil: File as string or nil
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function dog.string.readtext(str)
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if dog.string.exists(str) then
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return io.open(str):read("*a")
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end
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if dog.string.exists(str) then return io.open(str):read("*a") end
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end
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-- Read file content as lines
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@ -203,9 +181,7 @@ end
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-- Gets file without suffix
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-- @return string: File wihtout suffix
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function dog.string.stem(str)
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return str:gsub("%.%a+$", "")
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end
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function dog.string.stem(str) return str:gsub("%.%a+$", "") end
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-- Gets file extensions
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-- @return table: List of file extensions
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@ -221,9 +197,7 @@ end
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-- @return string: Final file extension
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function dog.string.suffix(str)
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local suffixes = str:suffixes()
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if suffixes[#suffixes] then
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return suffixes[#suffixes]
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end
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if suffixes[#suffixes] then return suffixes[#suffixes] end
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return ""
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end
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@ -232,12 +206,12 @@ end
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-- @return table: ASCII-Unicode table equivalency
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function dog.utf8.table()
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return {
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["a"] = {"á", "à", "ä"},
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["e"] = {"é", "è", "ë"},
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["i"] = {"í", "ì", "ï"},
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["o"] = {"ó", "ò", "ö"},
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["u"] = {"ú", "ù", "ü"},
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["n"] = {"ñ"},
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["a"] = { "á", "à", "ä" },
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["e"] = { "é", "è", "ë" },
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["i"] = { "í", "ì", "ï" },
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["o"] = { "ó", "ò", "ö" },
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["u"] = { "ú", "ù", "ü" },
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["n"] = { "ñ" },
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}
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end
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@ -245,7 +219,6 @@ end
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-- Check: https://pandoc.org/lua-filters.html#module-pandoc
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if pandoc ~= nil then
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-- Gets file extension namespace
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-- Check: https://pandoc.org/MANUAL.html#general-options
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-- If suffix is 'md' or empty, the default is markdown.
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@ -283,7 +256,7 @@ if pandoc ~= nil then
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-- @param content pandoc.MetaValue: Pandoc content value
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-- @return string: Pandoc stringified value
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function pandoc.utils.rawstringify(content)
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return pandoc.utils.stringify(content:walk {
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return pandoc.utils.stringify(content:walk({
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Plain = function(plain)
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table.insert(plain.content, pandoc.Space())
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return plain
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@ -295,11 +268,9 @@ if pandoc ~= nil then
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RawInline = function(rawinline)
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return pandoc.Str(rawinline.text:gsub("\\n", "\n"):gsub("\\t", "\t"))
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end,
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SoftBreak = function(_)
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return pandoc.Str("\n")
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end,
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SoftBreak = function(_) return pandoc.Str("\n") end,
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Inline = function(inline) return pandoc.utils.stringify(inline) end,
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})
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}))
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end
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-- Converts pandoc.Meta to table
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@ -325,7 +296,6 @@ if pandoc ~= nil then
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end
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return newmeta
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end
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end
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return dog
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