1 files changed, 150 insertions, 0 deletions
diff --git a/marigold.lua b/marigold.lua
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+++ b/marigold.lua
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+-- ANTI-CAPITALIST SOFTWARE LICENSE (v 1.4)
+-- 
+--  marigold-cgi Copyright (c) 2022 Kate Swanson
+-- 
+-- This is anti-capitalist software, released for free use by individuals and 
+-- organizations that do not operate by capitalist principles.
+-- 
+-- Permission is hereby granted, free of charge, to any person or organization (
+-- the "User") obtaining a copy of this software and associated documentation 
+-- files (the "Software"), to use, copy, modify, merge, distribute, and/or sell 
+-- copies of the Software, subject to the following conditions:
+-- 
+-- 1. The above copyright notice and this permission notice shall be included in 
+-- all copies or modified versions of the Software.
+-- 
+-- 2. The User is one of the following:
+-- 	a. An individual person, laboring for themselves
+-- 	b. A non-profit organization
+-- 	c. An educational institution
+-- 	d. An organization that seeks shared profit for all of its members, and allows 
+-- 	   non-members to set the cost of their labor
+-- 
+-- 3. If the User is an organization with owners, then all owners are workers and 
+--    all workers are owners with equal equity and/or equal vote.
+-- 
+-- 4. If the User is an organization, then the User is not law enforcement or 
+--    military, or working for or under either.
+-- 
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY 
+-- KIND, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 
+-- FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE 
+-- LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
+-- CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+-- SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+local marigold = {}
+
+marigold.get_metavars = function()
+	local vars = {
+		"AUTH_TYPE", "CONTENT_LENGTH",
+		"CONTENT_TYPE", "GATEWAY_INTERFACE",
+		"PATH_INFO", "PATH_TRANSLATED",
+		"QUERY_STRING", "REMOTE_ADDR",
+		"REMOTE_HOST", "REMOTE_IDENT",
+		"REMOTE_USER", "REQUEST_METHOD",
+		"SCRIPT_NAME", "SERVER_NAME",
+		"SERVER_PORT", "SERVER_PROTOCOL",
+		"SERVER_SOFTWARE"
+	}	
+
+	local metavars = {}
+	for _, var in ipairs(vars) do
+		metavars[string.lower(var)] = os.getenv(var)
+	end
+	return metavars
+end
+
+
+marigold.h = function(tag_type, content, tbl)
+	if type(content) == 'table' and tbl == nil then
+		tbl = content
+		content = ''
+	end
+
+	if content == nil then
+		tbl = {}
+		content = ''
+	end
+
+	local tag = {}
+	tag.tag = tag_type
+	tag.content = content
+	tag.attributes = {}
+	tag.children = {}
+
+	if tbl then
+		-- add attributes
+		for k, v in pairs(tbl) do
+			if type(k) == 'string' then
+				tag.attributes[k] = v
+			end
+		end
+		-- add children
+		for _, child in ipairs(tbl) do
+			table.insert(tag.children, child)
+		end
+	end
+	return tag
+end
+
+
+marigold.html = function(tbl, indent_level)
+	indent_level = indent_level or 0
+	local indent = string.rep('\t', indent_level)
+
+	-- generate attribute strings
+	local attributes = {}
+	for k, v in pairs(tbl.attributes) do
+		table.insert(attributes, string.format(' %s="%s"', k, v))
+	end
+	if test then
+		-- sort alphabetically for well-defined testing
+		table.sort(attributes)
+	end
+	local a = ''
+	for _, attrib in ipairs(attributes) do
+		a = a .. attrib
+	end
+
+	local open = string.format('<%s%s>', tbl.tag, a)
+	local close = string.format('</%s>', tbl.tag)
+
+	if #tbl.children == 0 then
+		return string.format('%s%s%s%s', indent, open, tbl.content, close)
+	end
+
+	local children = ''
+	for _, child in ipairs(tbl.children) do
+		children = children .. marigold.html(child, indent_level+1) .. '\n'
+	end
+
+	return string.format('%s%s%s\n%s%s%s',
+		indent, open, tbl.content,
+		children,
+		indent, close)
+end
+
+marigold.decode_percent = function(str)
+	return string.gsub(str, "%%(%x%x)", function(digits)
+		return string.char(tonumber(digits, 16))
+	end)
+end
+
+marigold.decode_query = function(str)
+	local tbl = {}
+	local cleanString = function(str)
+		return marigold.decode_percent(
+			string.gsub(str, "+", " ")
+		)
+	end
+
+	for k, v in string.gmatch(str, "([^=]-)=([^&]*)&?") do
+		tbl[cleanString(k)] = cleanString(v)
+	end
+
+	return tbl
+end
+
+return marigold