MINOR/DOC: spoe-server: Add documentation
This is the documentation and examples.
diff --git a/contrib/spoa_server/print_r.lua b/contrib/spoa_server/print_r.lua
new file mode 100644
index 0000000..2fa57e7
--- /dev/null
+++ b/contrib/spoa_server/print_r.lua
@@ -0,0 +1,68 @@
+function color(index, str)
+ return "\x1b[" .. index .. "m" .. str .. "\x1b[00m"
+end
+
+function nocolor(index, str)
+ return str
+end
+
+function sp(count)
+ local spaces = ""
+ while count > 0 do
+ spaces = spaces .. " "
+ count = count - 1
+ end
+ return spaces
+end
+
+function print_rr(p, indent, c, wr)
+ local i = 0
+ local nl = ""
+
+ if type(p) == "table" then
+ wr(c("33", "(table)") .. " " .. c("34", tostring(p)) .. " [")
+
+ mt = getmetatable(p)
+ if mt ~= nil then
+ wr("\n" .. sp(indent+1) .. c("31", "METATABLE") .. ": ")
+ print_rr(mt, indent+1, c, wr)
+ end
+
+ for k,v in pairs(p) do
+ if i > 0 then
+ nl = "\n"
+ else
+ wr("\n")
+ end
+ wr(nl .. sp(indent+1))
+ if type(k) == "number" then
+ wr(c("32", tostring(k)))
+ else
+ wr("\"" .. c("32", tostring(k)) .. "\"")
+ end
+ wr(": ")
+ print_rr(v, indent+1, c, wr)
+ i = i + 1
+ end
+ if i == 0 then
+ wr(" " .. c("35", "/* empty */") .. " ]")
+ else
+ wr("\n" .. sp(indent) .. "]")
+ end
+ elseif type(p) == "string" then
+ wr(c("33", "(string)") .. " \"" .. c("34", p) .. "\"")
+ else
+ wr(c("33", "(" .. type(p) .. ")") .. " " .. c("34", tostring(p)))
+ end
+end
+
+function print_r(p, col, wr)
+ if col == nil then col = true end
+ if wr == nil then wr = function(msg) io.stdout:write(msg) end end
+ if col == true then
+ print_rr(p, 0, color, wr)
+ else
+ print_rr(p, 0, nocolor, wr)
+ end
+ wr("\n")
+end