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add stickynotes demo

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stickynotes/Emakefile

+% -*- mode: erlang -*-
+{["src/*"], 
+ [{i, "include"},
+  {outdir, "ebin"},
+  debug_info]
+}.

stickynotes/Makefile

+ERL          ?= erl
+EBIN_DIRS    := $(wildcard deps/*/ebin) $(wildcard deps/*/deps/*/ebin)
+APP          := stickynotes
+
+all: erl ebin/$(APP).app
+
+erl:
+	@$(ERL) -pa $(EBIN_DIRS) -noinput +B \
+	  -eval 'case make:all() of up_to_date -> halt(0); error -> halt(1) end.'
+
+docs:
+	@erl -noshell -run edoc_run application '$(APP)' '"."' '[]'
+
+clean: 
+	@echo "removing:"
+	@rm -fv ebin/*.beam ebin/*.app
+
+ebin/$(APP).app: src/$(APP).app
+	@cp -v src/$(APP).app $@

stickynotes/README

+Stickynotes is a demo Riak application.
+
+Running
+---
+
+cd $RIAK_HOME  # base of your riak installation
+./start-fresh demo/stickynotes/riak-config.erlenv
+cd demo/stickynotes
+make
+./start.sh
+
+Now point your browser at http://localhost:8000/
+
+You should see a dark grey page with a few controls
+at the top.  Start clicking!
+
+
+Structure
+---
+
+Stickynotes starts a Webmachine node, which exposes a simple
+file-serving resource, as well as jiak_resource and jaywalker_resource
+from Riak.  The files you'll find here:
+
+/
+ Makefile            - for rebuilding things
+ README              - this file
+ riak-config.erlenv  - Riak cluster configuration file for Stickynotes
+ start.sh            - start the Stickynotes application
+ start-dev.sh        - start Stickynotes with auto-module-reloading
+ deps/
+   riak              - symlink to riak for code path loading
+ priv/www/
+   index.html        - the HTML you see at /
+   css/
+     application.css - the CSS you see at /
+   images/           - all of the images
+   js/
+     application.js  - the logic running the page
+     jiak.js         - libary for querying Riak through Jiak
+     jquery*.js      - jQuery
+     json2.js        - JSON library
+ src/
+   groups.erl        - the Jiak bucket module for groups objects
+   notes.erl         - the Jiak bucket module for notes objects
+   stickynotes.app   - application configuration (this is where
+                       riak_ip, _port, _cookie are set)
+   stickynotes.erl   - top application file
+   stickynotes_app.erl - application start file
+   stickynotes_deps.erl - utilities for getting beams from other
+                            applications loaded in Stickynotes
+   stickynotes_resource.erl - simple file-serving resource
+   stickynotes_sup.erl - supervisor that starts the Webmachine node

stickynotes/deps/webmachine/.hgignore

+syntax:glob
+*~
+*.beam
+demo/priv/log/access.log.*
+demo/ebin/webmachine_demo.app
+deps/mochiweb/ebin/mochiweb.app
+ebin/webmachine.app

stickynotes/deps/webmachine/Emakefile

+% -*- mode: erlang -*-
+{["src/*"], 
+ [{i, "include"},
+  {outdir, "ebin"},
+  debug_info]
+}.

stickynotes/deps/webmachine/LICENSE

+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+

stickynotes/deps/webmachine/Makefile

+ERL          ?= erl
+EBIN_DIRS    := $(wildcard deps/*/ebin)
+APP          := webmachine
+
+all: mochi erl ebin/$(APP).app
+
+mochi:
+	@(cd deps/mochiweb;$(MAKE))
+
+erl:
+	@$(ERL) -pa $(EBIN_DIRS) -noinput +B \
+	  -eval 'case make:all() of up_to_date -> halt(0); error -> halt(1) end.'
+
+edoc:
+	@$(ERL) -noshell -run edoc_run application '$(APP)' '"."' '[{preprocess, true},{includes, ["."]}]'
+
+clean: 
+	@echo "removing:"
+	@rm -fv ebin/*.beam ebin/*.app
+
+ebin/$(APP).app: src/$(APP).app
+	@cp -v src/$(APP).app $@

stickynotes/deps/webmachine/THANKS

+The following people have contributed to Webmachine:
+
+Andy Gross
+Justin Sheehy
+John Muellerleile
+Robert Ahrens
+Jeremy Latt
+Bryan Fink
+Ryan Tilder
+Taavi Talvik
+Marc Worrell
+Seth Falcon
+Tuncer Ayaz
+Martin Scholl
+Paul Mineiro
+Dave Smith
+

stickynotes/deps/webmachine/demo/Emakefile

+% -*- mode: erlang -*-
+{["src/*"], 
+  [{i, "include"},
+  {outdir, "ebin"},
+  debug_info]
+}.

stickynotes/deps/webmachine/demo/Makefile

+ERL          ?= erl
+EBIN_DIRS    := $(wildcard webmachine/ebin)
+APP          := webmachine_demo
+
+all: erl ebin/$(APP).app
+
+erl:
+	@$(ERL) -pa $(EBIN_DIRS) -noinput +B \
+	  -eval 'case make:all() of up_to_date -> halt(0); error -> halt(1) end.'
+
+docs:
+	@erl -noshell -run edoc_run application '$(APP)' '"."' '[]'
+
+clean: 
+	@echo "removing:"
+	@rm -fv ebin/*.beam ebin/*.app
+
+ebin/$(APP).app: src/$(APP).app
+	@cp -v src/$(APP).app $@
Add a comment to this file

stickynotes/deps/webmachine/demo/ebin/.hg_empty_dir

Empty file added.

stickynotes/deps/webmachine/demo/mochiweb/LICENSE

+This is the MIT license.
+
+Copyright (c) 2007 Mochi Media, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 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.

stickynotes/deps/webmachine/demo/mochiweb/Makefile

+all:
+	(cd src;$(MAKE) all)
+
+edoc:
+	(cd src;$(MAKE) edoc)
+
+test:
+	(cd src;$(MAKE) test)
+
+clean:
+	(cd src;$(MAKE) clean)

stickynotes/deps/webmachine/demo/mochiweb/README

+MochiWeb is an Erlang library for building lightweight HTTP servers.
Add a comment to this file

stickynotes/deps/webmachine/demo/mochiweb/ebin/.hg_empty_dir

Empty file added.

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/Makefile

+all:
+	(cd src;$(MAKE))
+
+clean:
+	(cd src;$(MAKE) clean)

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/priv/www/index.html

+<html>
+<head>
+<title>It Worked</title>
+</head>
+<body>
+MochiWeb running.
+</body>
+</html>

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/Makefile

+include ../support/include.mk
+
+all: $(EBIN_FILES)
+
+debug:
+	$(MAKE) DEBUG=-DDEBUG
+
+clean:
+	rm -rf $(EBIN_FILES)

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/skel.app

+{application, skel,
+ [{description, "skel"},
+  {vsn, "0.01"},
+  {modules, [
+    skel,
+    skel_app,
+    skel_sup,
+    skel_web,
+    skel_deps
+  ]},
+  {registered, []},
+  {mod, {skel_app, []}},
+  {env, []},
+  {applications, [kernel, stdlib, crypto]}]}.

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/skel.erl

+%% @author author <author@example.com>
+%% @copyright YYYY author.
+
+%% @doc TEMPLATE.
+
+-module(skel).
+-author('author <author@example.com>').
+-export([start/0, stop/0]).
+
+ensure_started(App) ->
+    case application:start(App) of
+        ok ->
+            ok;
+        {error, {already_started, App}} ->
+            ok
+    end.
+        
+%% @spec start() -> ok
+%% @doc Start the skel server.
+start() ->
+    skel_deps:ensure(),
+    ensure_started(crypto),
+    application:start(skel).
+
+%% @spec stop() -> ok
+%% @doc Stop the skel server.
+stop() ->
+    Res = application:stop(skel),
+    application:stop(crypto),
+    Res.

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/skel.hrl

+

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/skel_app.erl

+%% @author author <author@example.com>
+%% @copyright YYYY author.
+
+%% @doc Callbacks for the skel application.
+
+-module(skel_app).
+-author('author <author@example.com>').
+
+-behaviour(application).
+-export([start/2,stop/1]).
+
+
+%% @spec start(_Type, _StartArgs) -> ServerRet
+%% @doc application start callback for skel.
+start(_Type, _StartArgs) ->
+    skel_deps:ensure(),
+    skel_sup:start_link().
+
+%% @spec stop(_State) -> ServerRet
+%% @doc application stop callback for skel.
+stop(_State) ->
+    ok.

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/skel_deps.erl

+%% @author author <author@example.com>
+%% @copyright YYYY author.
+
+%% @doc Ensure that the relatively-installed dependencies are on the code
+%%      loading path, and locate resources relative
+%%      to this application's path.
+
+-module(skel_deps).
+-author('author <author@example.com>').
+
+-export([ensure/0, ensure/1]).
+-export([get_base_dir/0, get_base_dir/1]).
+-export([local_path/1, local_path/2]).
+-export([deps_on_path/0, new_siblings/1]).
+
+%% @spec deps_on_path() -> [ProjNameAndVers]
+%% @doc List of project dependencies on the path.
+deps_on_path() ->
+    F = fun (X, Acc) ->
+                ProjDir = filename:dirname(X),
+                case {filename:basename(X),
+                      filename:basename(filename:dirname(ProjDir))} of
+                    {"ebin", "deps"} ->
+                        [filename:basename(ProjDir) | Acc];
+                    _ ->
+                        Acc
+                end
+        end,
+    ordsets:from_list(lists:foldl(F, [], code:get_path())).
+    
+%% @spec new_siblings(Module) -> [Dir]
+%% @doc Find new siblings paths relative to Module that aren't already on the
+%%      code path.
+new_siblings(Module) ->
+    Existing = deps_on_path(),
+    SiblingEbin = filelib:wildcard(local_path(["deps", "*", "ebin"], Module)),
+    Siblings = [filename:dirname(X) || X <- SiblingEbin,
+                           ordsets:is_element(
+                             filename:basename(filename:dirname(X)),
+                             Existing) =:= false],
+    lists:filter(fun filelib:is_dir/1, 
+                 lists:append([[filename:join([X, "ebin"]),
+                                filename:join([X, "include"])] ||
+                                  X <- Siblings])).
+        
+
+%% @spec ensure(Module) -> ok
+%% @doc Ensure that all ebin and include paths for dependencies
+%%      of the application for Module are on the code path.
+ensure(Module) ->
+    code:add_paths(new_siblings(Module)),
+    code:clash(),
+    ok.
+
+%% @spec ensure() -> ok
+%% @doc Ensure that the ebin and include paths for dependencies of
+%%      this application are on the code path. Equivalent to
+%%      ensure(?Module).
+ensure() ->
+    ensure(?MODULE).
+
+%% @spec get_base_dir(Module) -> string()
+%% @doc Return the application directory for Module. It assumes Module is in
+%%      a standard OTP layout application in the ebin or src directory.
+get_base_dir(Module) ->
+    {file, Here} = code:is_loaded(Module),
+    filename:dirname(filename:dirname(Here)).
+
+%% @spec get_base_dir() -> string()
+%% @doc Return the application directory for this application. Equivalent to
+%%      get_base_dir(?MODULE).
+get_base_dir() ->
+    get_base_dir(?MODULE).
+
+%% @spec local_path([string()], Module) -> string()
+%% @doc Return an application-relative directory from Module's application.
+local_path(Components, Module) ->
+    filename:join([get_base_dir(Module) | Components]).
+
+%% @spec local_path(Components) -> string()
+%% @doc Return an application-relative directory for this application.
+%%      Equivalent to local_path(Components, ?MODULE).
+local_path(Components) ->
+    local_path(Components, ?MODULE).

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/skel_sup.erl

+%% @author author <author@example.com>
+%% @copyright YYYY author.
+
+%% @doc Supervisor for the skel application.
+
+-module(skel_sup).
+-author('author <author@example.com>').
+
+-behaviour(supervisor).
+
+%% External exports
+-export([start_link/0, upgrade/0]).
+
+%% supervisor callbacks
+-export([init/1]).
+
+%% @spec start_link() -> ServerRet
+%% @doc API for starting the supervisor.
+start_link() ->
+    supervisor:start_link({local, ?MODULE}, ?MODULE, []).
+
+%% @spec upgrade() -> ok
+%% @doc Add processes if necessary.
+upgrade() ->
+    {ok, {_, Specs}} = init([]),
+
+    Old = sets:from_list(
+            [Name || {Name, _, _, _} <- supervisor:which_children(?MODULE)]),
+    New = sets:from_list([Name || {Name, _, _, _, _, _} <- Specs]),
+    Kill = sets:subtract(Old, New),
+
+    sets:fold(fun (Id, ok) ->
+                      supervisor:terminate_child(?MODULE, Id),
+                      supervisor:delete_child(?MODULE, Id),
+                      ok
+              end, ok, Kill),
+
+    [supervisor:start_child(?MODULE, Spec) || Spec <- Specs],
+    ok.
+
+%% @spec init([]) -> SupervisorTree
+%% @doc supervisor callback.
+init([]) ->
+    Ip = case os:getenv("MOCHIWEB_IP") of false -> "0.0.0.0"; Any -> Any end,   
+    WebConfig = [
+         {ip, Ip},
+                 {port, 8000},
+                 {docroot, skel_deps:local_path(["priv", "www"])}],
+    Web = {skel_web,
+           {skel_web, start, [WebConfig]},
+           permanent, 5000, worker, dynamic},
+
+    Processes = [Web],
+    {ok, {{one_for_one, 10, 10}, Processes}}.

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/src/skel_web.erl

+%% @author author <author@example.com>
+%% @copyright YYYY author.
+
+%% @doc Web server for skel.
+
+-module(skel_web).
+-author('author <author@example.com>').
+
+-export([start/1, stop/0, loop/2]).
+
+%% External API
+
+start(Options) ->
+    {DocRoot, Options1} = get_option(docroot, Options),
+    Loop = fun (Req) ->
+                   ?MODULE:loop(Req, DocRoot)
+           end,
+    mochiweb_http:start([{name, ?MODULE}, {loop, Loop} | Options1]).
+
+stop() ->
+    mochiweb_http:stop(?MODULE).
+
+loop(Req, DocRoot) ->
+    "/" ++ Path = Req:get(path),
+    case Req:get(method) of
+        Method when Method =:= 'GET'; Method =:= 'HEAD' ->
+            case Path of
+                _ ->
+                    Req:serve_file(Path, DocRoot)
+            end;
+        'POST' ->
+            case Path of
+                _ ->
+                    Req:not_found()
+            end;
+        _ ->
+            Req:respond({501, [], []})
+    end.
+
+%% Internal API
+
+get_option(Option, Options) ->
+    {proplists:get_value(Option, Options), proplists:delete(Option, Options)}.

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/start-dev.sh

+#!/bin/sh
+cd `dirname $0`
+exec erl -pa $PWD/ebin $PWD/deps/*/ebin -boot start_sasl -s reloader -s skel

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/start.sh

+#!/bin/sh
+cd `dirname $0`
+exec erl -pa $PWD/ebin $PWD/deps/*/ebin -boot start_sasl -s skel

stickynotes/deps/webmachine/demo/mochiweb/priv/skel/support/include.mk

+## -*- makefile -*-
+
+######################################################################
+## Erlang
+
+ERL := erl
+ERLC := $(ERL)c
+
+INCLUDE_DIRS := ../include $(wildcard ../deps/*/include)
+EBIN_DIRS := $(wildcard ../deps/*/ebin)
+ERLC_FLAGS := -W $(INCLUDE_DIRS:../%=-I ../%) $(EBIN_DIRS:%=-pa %)
+
+ifndef no_debug_info
+  ERLC_FLAGS += +debug_info
+endif
+
+ifdef debug
+  ERLC_FLAGS += -Ddebug
+endif
+
+EBIN_DIR := ../ebin
+DOC_DIR  := ../doc
+EMULATOR := beam
+
+ERL_SOURCES := $(wildcard *.erl)
+ERL_HEADERS := $(wildcard *.hrl) $(wildcard ../include/*.hrl)
+ERL_OBJECTS := $(ERL_SOURCES:%.erl=$(EBIN_DIR)/%.$(EMULATOR))
+ERL_DOCUMENTS := $(ERL_SOURCES:%.erl=$(DOC_DIR)/%.html)
+ERL_OBJECTS_LOCAL := $(ERL_SOURCES:%.erl=./%.$(EMULATOR))
+APP_FILES := $(wildcard *.app)
+EBIN_FILES = $(ERL_OBJECTS) $(ERL_DOCUMENTS) $(APP_FILES:%.app=../ebin/%.app)
+EBIN_FILES_NO_DOCS = $(ERL_OBJECTS) $(APP_FILES:%.app=../ebin/%.app)
+MODULES = $(ERL_SOURCES:%.erl=%)
+
+../ebin/%.app: %.app
+	cp $< $@
+
+$(EBIN_DIR)/%.$(EMULATOR): %.erl
+	$(ERLC) $(ERLC_FLAGS) -o $(EBIN_DIR) $<
+
+./%.$(EMULATOR): %.erl
+	$(ERLC) $(ERLC_FLAGS) -o . $<
+
+$(DOC_DIR)/%.html: %.erl
+	$(ERL) -noshell -run edoc file $< -run init stop
+	mv *.html $(DOC_DIR)

stickynotes/deps/webmachine/demo/mochiweb/scripts/new_mochiweb.erl

+#!/usr/bin/env escript
+%% -*- mode: erlang -*-
+-export([main/1]).
+
+%% External API
+
+main([Name]) ->
+    main([Name, "."]);
+main([Name, Dest]) ->
+    ensure(),
+    DestDir = filename:absname(Dest),
+    ok = mochiweb_skel:skelcopy(DestDir, Name);
+main(_) ->
+    usage().
+
+%% Internal API
+
+ensure() ->
+    code:add_patha(filename:join(filename:dirname(escript:script_name()),
+                                 "../ebin")).
+
+usage() ->
+    io:format("usage: ~s name [destdir]~n",
+              [filename:basename(escript:script_name())]),
+    halt(1).
+
+

stickynotes/deps/webmachine/demo/mochiweb/src/Makefile

+include ../support/include.mk
+
+APPLICATION=mochiweb
+DOC_OPTS={dir,\"../doc\"}
+
+all: $(EBIN_FILES)
+
+debug:
+	$(MAKE) DEBUG=-DDEBUG
+
+clean:
+	rm -rf $(EBIN_FILES)
+
+edoc:
+	$(ERL) -noshell -pa ../ebin \
+		-eval "edoc:application($(APPLICATION), \".\", [$(DOC_OPTS)])" \
+		-s init stop
+
+test: all
+	$(ERL) -noshell -pa ../ebin -s $(APPLICATION) test -s init stop

stickynotes/deps/webmachine/demo/mochiweb/src/mochifmt.erl

+%% @author Bob Ippolito <bob@mochimedia.com>
+%% @copyright 2008 Mochi Media, Inc.
+
+%% @doc String Formatting for Erlang, inspired by Python 2.6
+%%      (<a href="http://www.python.org/dev/peps/pep-3101/">PEP 3101</a>).
+%%
+-module(mochifmt).
+-author('bob@mochimedia.com').
+-export([format/2, format_field/2, convert_field/2, get_value/2, get_field/2]).
+-export([tokenize/1, format/3, get_field/3, format_field/3]).
+-export([bformat/2, bformat/3]).
+-export([f/2, f/3]).
+-export([test/0]).
+
+-record(conversion, {length, precision, ctype, align, fill_char, sign}).
+
+%% @spec tokenize(S::string()) -> tokens()
+%% @doc Tokenize a format string into mochifmt's internal format.
+tokenize(S) ->
+    {?MODULE, tokenize(S, "", [])}.
+
+%% @spec convert_field(Arg, Conversion::conversion()) -> term()
+%% @doc Process Arg according to the given explicit conversion specifier.
+convert_field(Arg, "") ->
+    Arg;
+convert_field(Arg, "r") ->
+    repr(Arg);
+convert_field(Arg, "s") ->
+    str(Arg).
+
+%% @spec get_value(Key::string(), Args::args()) -> term()
+%% @doc Get the Key from Args. If Args is a tuple then convert Key to
+%%      an integer and get element(1 + Key, Args). If Args is a list and Key
+%%      can be parsed as an integer then use lists:nth(1 + Key, Args),
+%%      otherwise try and look for Key in Args as a proplist, converting
+%%      Key to an atom or binary if necessary.
+get_value(Key, Args) when is_tuple(Args) ->
+    element(1 + list_to_integer(Key), Args);
+get_value(Key, Args) when is_list(Args) ->
+    try lists:nth(1 + list_to_integer(Key), Args)
+    catch error:_ ->
+            {_K, V} = proplist_lookup(Key, Args),
+            V
+    end.
+
+%% @spec get_field(Key::string(), Args) -> term()
+%% @doc Consecutively call get_value/2 on parts of Key delimited by ".",
+%%      replacing Args with the result of the previous get_value. This
+%%      is used to implement formats such as {0.0}.
+get_field(Key, Args) ->
+    get_field(Key, Args, ?MODULE).
+
+%% @spec get_field(Key::string(), Args, Module) -> term()
+%% @doc Consecutively call Module:get_value/2 on parts of Key delimited by ".",
+%%      replacing Args with the result of the previous get_value. This
+%%      is used to implement formats such as {0.0}.
+get_field(Key, Args, Module) ->
+    {Name, Next} = lists:splitwith(fun (C) -> C =/= $. end, Key),
+    Res = try Module:get_value(Name, Args)
+          catch error:undef -> get_value(Name, Args) end,
+    case Next of
+        "" ->
+            Res;
+        "." ++ S1 ->
+            get_field(S1, Res, Module)
+    end.
+
+%% @spec format(Format::string(), Args) -> iolist()
+%% @doc Format Args with Format.
+format(Format, Args) ->
+    format(Format, Args, ?MODULE).
+
+%% @spec format(Format::string(), Args, Module) -> iolist()
+%% @doc Format Args with Format using Module.
+format({?MODULE, Parts}, Args, Module) ->
+    format2(Parts, Args, Module, []);
+format(S, Args, Module) ->
+    format(tokenize(S), Args, Module).
+
+%% @spec format_field(Arg, Format) -> iolist()
+%% @doc Format Arg with Format.
+format_field(Arg, Format) ->
+    format_field(Arg, Format, ?MODULE).
+
+%% @spec format_field(Arg, Format, _Module) -> iolist()
+%% @doc Format Arg with Format.
+format_field(Arg, Format, _Module) ->
+    F = default_ctype(Arg, parse_std_conversion(Format)),
+    fix_padding(fix_sign(convert2(Arg, F), F), F).
+
+%% @spec f(Format::string(), Args) -> string()
+%% @doc Format Args with Format and return a string().
+f(Format, Args) ->
+    f(Format, Args, ?MODULE).
+
+%% @spec f(Format::string(), Args, Module) -> string()
+%% @doc Format Args with Format using Module and return a string().
+f(Format, Args, Module) ->
+    case lists:member(${, Format) of
+        true ->
+            binary_to_list(bformat(Format, Args, Module));
+        false ->
+            Format
+    end.
+
+%% @spec bformat(Format::string(), Args) -> binary()
+%% @doc Format Args with Format and return a binary().
+bformat(Format, Args) ->
+    iolist_to_binary(format(Format, Args)).
+
+%% @spec bformat(Format::string(), Args, Module) -> binary()
+%% @doc Format Args with Format using Module and return a binary().
+bformat(Format, Args, Module) ->
+    iolist_to_binary(format(Format, Args, Module)).
+
+%% @spec test() -> ok
+%% @doc Run tests.
+test() ->
+    ok = test_tokenize(),
+    ok = test_format(),
+    ok = test_std(),
+    ok = test_records(),
+    ok.
+
+%% Internal API
+
+add_raw("", Acc) ->
+    Acc;
+add_raw(S, Acc) ->
+    [{raw, lists:reverse(S)} | Acc].
+
+tokenize([], S, Acc) ->
+    lists:reverse(add_raw(S, Acc));
+tokenize("{{" ++ Rest, S, Acc) ->
+    tokenize(Rest, "{" ++ S, Acc);
+tokenize("{" ++ Rest, S, Acc) ->
+    {Format, Rest1} = tokenize_format(Rest),
+    tokenize(Rest1, "", [{format, make_format(Format)} | add_raw(S, Acc)]);
+tokenize("}}" ++ Rest, S, Acc) ->
+    tokenize(Rest, "}" ++ S, Acc);
+tokenize([C | Rest], S, Acc) ->
+    tokenize(Rest, [C | S], Acc).
+
+tokenize_format(S) ->
+    tokenize_format(S, 1, []).
+
+tokenize_format("}" ++ Rest, 1, Acc) ->
+    {lists:reverse(Acc), Rest};
+tokenize_format("}" ++ Rest, N, Acc) ->
+    tokenize_format(Rest, N - 1, "}" ++ Acc);
+tokenize_format("{" ++ Rest, N, Acc) ->
+    tokenize_format(Rest, 1 + N, "{" ++ Acc);
+tokenize_format([C | Rest], N, Acc) ->
+    tokenize_format(Rest, N, [C | Acc]).
+
+make_format(S) ->
+    {Name0, Spec} = case lists:splitwith(fun (C) -> C =/= $: end, S) of
+                        {_, ""} ->
+                            {S, ""};
+                        {SN, ":" ++ SS} ->
+                            {SN, SS}
+                    end,
+    {Name, Transform} = case lists:splitwith(fun (C) -> C =/= $! end, Name0) of
+                            {_, ""} ->
+                                {Name0, ""};
+                            {TN, "!" ++ TT} ->
+                                {TN, TT}
+                        end,
+    {Name, Transform, Spec}.
+
+proplist_lookup(S, P) ->
+    A = try list_to_existing_atom(S)
+        catch error:_ -> make_ref() end,
+    B = try list_to_binary(S)
+        catch error:_ -> make_ref() end,
+    proplist_lookup2({S, A, B}, P).
+
+proplist_lookup2({KS, KA, KB}, [{K, V} | _])
+  when KS =:= K orelse KA =:= K orelse KB =:= K ->
+    {K, V};
+proplist_lookup2(Keys, [_ | Rest]) ->
+    proplist_lookup2(Keys, Rest).
+
+format2([], _Args, _Module, Acc) ->
+    lists:reverse(Acc);
+format2([{raw, S} | Rest], Args, Module, Acc) ->
+    format2(Rest, Args, Module, [S | Acc]);
+format2([{format, {Key, Convert, Format0}} | Rest], Args, Module, Acc) ->
+    Format = f(Format0, Args, Module),
+    V = case Module of
+            ?MODULE ->
+                V0 = get_field(Key, Args),
+                V1 = convert_field(V0, Convert),
+                format_field(V1, Format);
+            _ ->
+                V0 = try Module:get_field(Key, Args)
+                     catch error:undef -> get_field(Key, Args, Module) end,
+                V1 = try Module:convert_field(V0, Convert)
+                     catch error:undef -> convert_field(V0, Convert) end,
+                try Module:format_field(V1, Format)
+                catch error:undef -> format_field(V1, Format, Module) end
+        end,
+    format2(Rest, Args, Module, [V | Acc]).
+
+default_ctype(_Arg, C=#conversion{ctype=N}) when N =/= undefined ->
+    C;
+default_ctype(Arg, C) when is_integer(Arg) ->
+    C#conversion{ctype=decimal};
+default_ctype(Arg, C) when is_float(Arg) ->
+    C#conversion{ctype=general};
+default_ctype(_Arg, C) ->
+    C#conversion{ctype=string}.
+
+fix_padding(Arg, #conversion{length=undefined}) ->
+    Arg;
+fix_padding(Arg, F=#conversion{length=Length, fill_char=Fill0, align=Align0,
+                               ctype=Type}) ->
+    Padding = Length - iolist_size(Arg),
+    Fill = case Fill0 of
+               undefined ->
+                   $\s;
+               _ ->
+                   Fill0
+           end,
+    Align = case Align0 of
+                undefined ->
+                    case Type of
+                        string ->
+                            left;
+                        _ ->
+                            right
+                    end;
+                _ ->
+                    Align0
+            end,
+    case Padding > 0 of
+        true ->
+            do_padding(Arg, Padding, Fill, Align, F);
+        false ->
+            Arg
+    end.
+
+do_padding(Arg, Padding, Fill, right, _F) ->
+    [lists:duplicate(Padding, Fill), Arg];
+do_padding(Arg, Padding, Fill, center, _F) ->
+    LPadding = lists:duplicate(Padding div 2, Fill),
+    RPadding = case Padding band 1 of
+                   1 ->
+                       [Fill | LPadding];
+                   _ ->
+                       LPadding
+               end,
+    [LPadding, Arg, RPadding];
+do_padding([$- | Arg], Padding, Fill, sign_right, _F) ->
+    [[$- | lists:duplicate(Padding, Fill)], Arg];
+do_padding(Arg, Padding, Fill, sign_right, #conversion{sign=$-}) ->
+    [lists:duplicate(Padding, Fill), Arg];
+do_padding([S | Arg], Padding, Fill, sign_right, #conversion{sign=S}) ->
+    [[S | lists:duplicate(Padding, Fill)], Arg];
+do_padding(Arg, Padding, Fill, sign_right, #conversion{sign=undefined}) ->
+    [lists:duplicate(Padding, Fill), Arg];
+do_padding(Arg, Padding, Fill, left, _F) ->
+    [Arg | lists:duplicate(Padding, Fill)].
+
+fix_sign(Arg, #conversion{sign=$+}) when Arg >= 0 ->
+    [$+, Arg];
+fix_sign(Arg, #conversion{sign=$\s}) when Arg >= 0 ->
+    [$\s, Arg];
+fix_sign(Arg, _F) ->
+    Arg.
+
+ctype($\%) -> percent;
+ctype($s) -> string;
+ctype($b) -> bin;
+ctype($o) -> oct;
+ctype($X) -> upper_hex;
+ctype($x) -> hex;
+ctype($c) -> char;
+ctype($d) -> decimal;
+ctype($g) -> general;
+ctype($f) -> fixed;
+ctype($e) -> exp.
+
+align($<) -> left;
+align($>) -> right;
+align($^) -> center;
+align($=) -> sign_right.
+
+convert2(Arg, F=#conversion{ctype=percent}) ->
+    [convert2(100.0 * Arg, F#conversion{ctype=fixed}), $\%];
+convert2(Arg, #conversion{ctype=string}) ->
+    str(Arg);
+convert2(Arg, #conversion{ctype=bin}) ->
+    erlang:integer_to_list(Arg, 2);
+convert2(Arg, #conversion{ctype=oct}) ->
+    erlang:integer_to_list(Arg, 8);
+convert2(Arg, #conversion{ctype=upper_hex}) ->
+    erlang:integer_to_list(Arg, 16);
+convert2(Arg, #conversion{ctype=hex}) ->
+    string:to_lower(erlang:integer_to_list(Arg, 16));
+convert2(Arg, #conversion{ctype=char}) when Arg < 16#80 ->
+    [Arg];
+convert2(Arg, #conversion{ctype=char}) ->
+    xmerl_ucs:to_utf8(Arg);
+convert2(Arg, #conversion{ctype=decimal}) ->
+    integer_to_list(Arg);
+convert2(Arg, #conversion{ctype=general, precision=undefined}) ->
+    try mochinum:digits(Arg)
+    catch error:undef -> io_lib:format("~g", [Arg]) end;
+convert2(Arg, #conversion{ctype=fixed, precision=undefined}) ->
+    io_lib:format("~f", [Arg]);
+convert2(Arg, #conversion{ctype=exp, precision=undefined}) ->
+    io_lib:format("~e", [Arg]);
+convert2(Arg, #conversion{ctype=general, precision=P}) ->
+    io_lib:format("~." ++ integer_to_list(P) ++ "g", [Arg]);
+convert2(Arg, #conversion{ctype=fixed, precision=P}) ->
+    io_lib:format("~." ++ integer_to_list(P) ++ "f", [Arg]);
+convert2(Arg, #conversion{ctype=exp, precision=P}) ->
+    io_lib:format("~." ++ integer_to_list(P) ++ "e", [Arg]).
+
+str(A) when is_atom(A) ->
+    atom_to_list(A);
+str(I) when is_integer(I) ->
+    integer_to_list(I);
+str(F) when is_float(F) ->
+    try mochinum:digits(F)
+    catch error:undef -> io_lib:format("~g", [F]) end;
+str(L) when is_list(L) ->
+    L;
+str(B) when is_binary(B) ->
+    B;
+str(P) ->
+    repr(P).
+
+repr(P) when is_float(P) ->
+    try mochinum:digits(P)
+    catch error:undef -> float_to_list(P) end;
+repr(P) ->
+    io_lib:format("~p", [P]).
+
+parse_std_conversion(S) ->
+    parse_std_conversion(S, #conversion{}).
+
+parse_std_conversion("", Acc) ->
+    Acc;
+parse_std_conversion([Fill, Align | Spec], Acc)
+  when Align =:= $< orelse Align =:= $> orelse Align =:= $= orelse Align =:= $^ ->
+    parse_std_conversion(Spec, Acc#conversion{fill_char=Fill,
+                                              align=align(Align)});
+parse_std_conversion([Align | Spec], Acc)
+  when Align =:= $< orelse Align =:= $> orelse Align =:= $= orelse Align =:= $^ ->
+    parse_std_conversion(Spec, Acc#conversion{align=align(Align)});
+parse_std_conversion([Sign | Spec], Acc)
+  when Sign =:= $+ orelse Sign =:= $- orelse Sign =:= $\s ->
+    parse_std_conversion(Spec, Acc#conversion{sign=Sign});
+parse_std_conversion("0" ++ Spec, Acc) ->
+    Align = case Acc#conversion.align of
+                undefined ->
+                    sign_right;
+                A ->
+                    A
+            end,
+    parse_std_conversion(Spec, Acc#conversion{fill_char=$0, align=Align});
+parse_std_conversion(Spec=[D|_], Acc) when D >= $0 andalso D =< $9 ->
+    {W, Spec1} = lists:splitwith(fun (C) -> C >= $0 andalso C =< $9 end, Spec),
+    parse_std_conversion(Spec1, Acc#conversion{length=list_to_integer(W)});
+parse_std_conversion([$. | Spec], Acc) ->
+    case lists:splitwith(fun (C) -> C >= $0 andalso C =< $9 end, Spec) of
+        {"", Spec1} ->
+            parse_std_conversion(Spec1, Acc);
+        {P, Spec1} ->
+            parse_std_conversion(Spec1,
+                                 Acc#conversion{precision=list_to_integer(P)})
+    end;
+parse_std_conversion([Type], Acc) ->
+    parse_std_conversion("", Acc#conversion{ctype=ctype(Type)}).
+
+test_tokenize() ->
+    {?MODULE, [{raw, "ABC"}]} = tokenize("ABC"),
+    {?MODULE, [{format, {"0", "", ""}}]} = tokenize("{0}"),
+    {?MODULE, [{raw, "ABC"}, {format, {"1", "", ""}}, {raw, "DEF"}]} =
+        tokenize("ABC{1}DEF"),
+    ok.
+
+test_format() ->
+    <<"  -4">> = bformat("{0:4}", [-4]),
+    <<"   4">> = bformat("{0:4}", [4]),
+    <<"   4">> = bformat("{0:{0}}", [4]),
+    <<"4   ">> = bformat("{0:4}", ["4"]),
+    <<"4   ">> = bformat("{0:{0}}", ["4"]),
+    <<"1.2yoDEF">> = bformat("{2}{0}{1}{3}", {yo, "DE", 1.2, <<"F">>}),
+    <<"cafebabe">> = bformat("{0:x}", {16#cafebabe}),
+    <<"CAFEBABE">> = bformat("{0:X}", {16#cafebabe}),
+    <<"CAFEBABE">> = bformat("{0:X}", {16#cafebabe}),
+    <<"755">> = bformat("{0:o}", {8#755}),
+    <<"a">> = bformat("{0:c}", {97}),
+    %% Horizontal ellipsis
+    <<226, 128, 166>> = bformat("{0:c}", {16#2026}),
+    <<"11">> = bformat("{0:b}", {3}),
+    <<"11">> = bformat("{0:b}", [3]),
+    <<"11">> = bformat("{three:b}", [{three, 3}]),
+    <<"11">> = bformat("{three:b}", [{"three", 3}]),
+    <<"11">> = bformat("{three:b}", [{<<"three">>, 3}]),
+    <<"\"foo\"">> = bformat("{0!r}", {"foo"}),
+    <<"2008-5-4">> = bformat("{0.0}-{0.1}-{0.2}", {{2008,5,4}}),
+    <<"2008-05-04">> = bformat("{0.0:04}-{0.1:02}-{0.2:02}", {{2008,5,4}}),
+    <<"foo6bar-6">> = bformat("foo{1}{0}-{1}", {bar, 6}),
+    <<"-'atom test'-">> = bformat("-{arg!r}-", [{arg, 'atom test'}]),
+    <<"2008-05-04">> = bformat("{0.0:0{1.0}}-{0.1:0{1.1}}-{0.2:0{1.2}}",
+                               {{2008,5,4}, {4, 2, 2}}),
+    ok.
+
+test_std() ->
+    M = mochifmt_std:new(),
+    <<"01">> = bformat("{0}{1}", [0, 1], M),
+    ok.
+
+test_records() ->
+    M = mochifmt_records:new([{conversion, record_info(fields, conversion)}]),
+    R = #conversion{length=long, precision=hard, sign=peace},
+    long = M:get_value("length", R),
+    hard = M:get_value("precision", R),
+    peace = M:get_value("sign", R),
+    <<"long hard">> = bformat("{length} {precision}", R, M),
+    <<"long hard">> = bformat("{0.length} {0.precision}", [R], M),
+    ok.

stickynotes/deps/webmachine/demo/mochiweb/src/mochifmt_records.erl

+%% @author Bob Ippolito <bob@mochimedia.com>
+%% @copyright 2008 Mochi Media, Inc.
+
+%% @doc Formatter that understands records.
+%%
+%% Usage:
+%%
+%%    1> M = mochifmt_records:new([{rec, record_info(fields, rec)}]),
+%%    M:format("{0.bar}", [#rec{bar=foo}]).
+%%    foo
+
+-module(mochifmt_records, [Recs]).
+-author('bob@mochimedia.com').
+-export([get_value/2]).
+
+get_value(Key, Rec) when is_tuple(Rec) and is_atom(element(1, Rec)) ->
+    try begin
+            Atom = list_to_existing_atom(Key),
+            {_, Fields} = proplists:lookup(element(1, Rec), Recs),
+            element(get_rec_index(Atom, Fields, 2), Rec)
+        end
+    catch error:_ -> mochifmt:get_value(Key, Rec)
+    end;
+get_value(Key, Args) ->
+    mochifmt:get_value(Key, Args).
+
+get_rec_index(Atom, [Atom | _], Index) ->
+    Index;
+get_rec_index(Atom, [_ | Rest], Index) ->
+    get_rec_index(Atom, Rest, 1 + Index).

stickynotes/deps/webmachine/demo/mochiweb/src/mochifmt_std.erl

+%% @author Bob Ippolito <bob@mochimedia.com>
+%% @copyright 2008 Mochi Media, Inc.
+
+%% @doc Template module for a mochifmt formatter.
+
+-module(mochifmt_std, []).
+-author('bob@mochimedia.com').
+-export([format/2, get_value/2, format_field/2, get_field/2, convert_field/2]).
+
+format(Format, Args) ->
+    mochifmt:format(Format, Args, THIS).
+
+get_field(Key, Args) ->
+    mochifmt:get_field(Key, Args, THIS).
+
+convert_field(Key, Args) ->
+    mochifmt:convert_field(Key, Args).
+
+get_value(Key, Args) ->
+    mochifmt:get_value(Key, Args).
+
+format_field(Arg, Format) ->
+    mochifmt:format_field(Arg, Format, THIS).

stickynotes/deps/webmachine/demo/mochiweb/src/mochihex.erl

+%% @author Bob Ippolito <bob@mochimedia.com>
+%% @copyright 2006 Mochi Media, Inc.
+
+%% @doc Utilities for working with hexadecimal strings.
+
+-module(mochihex).
+-author('bob@mochimedia.com').
+
+-export([test/0, to_hex/1, to_bin/1, to_int/1, dehex/1, hexdigit/1]).
+
+%% @type iolist() = [char() | binary() | iolist()]
+%% @type iodata() = iolist() | binary()
+
+%% @spec to_hex(integer | iolist()) -> string()
+%% @doc Convert an iolist to a hexadecimal string.
+to_hex(0) ->
+    "0";
+to_hex(I) when is_integer(I), I > 0 ->
+    to_hex_int(I, []);
+to_hex(B) ->
+    to_hex(iolist_to_binary(B), []).
+
+%% @spec to_bin(string()) -> binary()
+%% @doc Convert a hexadecimal string to a binary.
+to_bin(L) ->
+    to_bin(L, []).
+
+%% @spec to_int(string()) -> integer()
+%% @doc Convert a hexadecimal string to an integer.
+to_int(L) ->
+    erlang:list_to_integer(L, 16).
+
+%% @spec dehex(char()) -> integer()
+%% @doc Convert a hex digit to its integer value.
+dehex(C) when C >= $0, C =< $9 ->
+    C - $0;
+dehex(C) when C >= $a, C =< $f ->
+    C - $a + 10;
+dehex(C) when C >= $A, C =< $F ->
+    C - $A + 10.
+
+%% @spec hexdigit(integer()) -> char()
+%% @doc Convert an integer less than 16 to a hex digit.
+hexdigit(C) when C >= 0, C =< 9 ->
+    C + $0;
+hexdigit(C) when C =< 15 ->
+    C + $a - 10.
+
+%% @spec test() -> ok
+%% @doc Test this module.
+test() ->
+    "ff000ff1" = to_hex([255, 0, 15, 241]),
+    <<255, 0, 15, 241>> = to_bin("ff000ff1"),
+    16#ff000ff1 = to_int("ff000ff1"),
+    "ff000ff1" = to_hex(16#ff000ff1),
+    ok.
+
+
+%% Internal API
+
+to_hex(<<>>, Acc) ->
+    lists:reverse(Acc);
+to_hex(<<C1:4, C2:4, Rest/binary>>, Acc) ->
+    to_hex(Rest, [hexdigit(C2), hexdigit(C1) | Acc]).
+
+to_hex_int(0, Acc) ->
+    Acc;
+to_hex_int(I, Acc) ->
+    to_hex_int(I bsr 4, [hexdigit(I band 15) | Acc]).
+
+to_bin([], Acc) ->
+    iolist_to_binary(lists:reverse(Acc));
+to_bin([C1, C2 | Rest], Acc) ->
+    to_bin(Rest, [(dehex(C1) bsl 4) bor dehex(C2) | Acc]).
+

stickynotes/deps/webmachine/demo/mochiweb/src/mochijson.erl

+%% @author Bob Ippolito <bob@mochimedia.com>
+%% @copyright 2006 Mochi Media, Inc.
+
+%% @doc Yet another JSON (RFC 4627) library for Erlang.
+-module(mochijson).
+-author('bob@mochimedia.com').
+-export([encoder/1, encode/1]).
+-export([decoder/1, decode/1]).
+-export([binary_encoder/1, binary_encode/1]).
+-export([binary_decoder/1, binary_decode/1]).
+-export([test/0]).
+
+% This is a macro to placate syntax highlighters..
+-define(Q, $\").
+-define(ADV_COL(S, N), S#decoder{column=N+S#decoder.column}).
+-define(INC_COL(S), S#decoder{column=1+S#decoder.column}).
+-define(INC_LINE(S), S#decoder{column=1, line=1+S#decoder.line}).
+
+%% @type iolist() = [char() | binary() | iolist()]
+%% @type iodata() = iolist() | binary()
+%% @type json_string() = atom | string() | binary()
+%% @type json_number() = integer() | float()
+%% @type json_array() = {array, [json_term()]}
+%% @type json_object() = {struct, [{json_string(), json_term()}]}
+%% @type json_term() = json_string() | json_number() | json_array() |
+%%                     json_object()
+%% @type encoding() = utf8 | unicode
+%% @type encoder_option() = {input_encoding, encoding()} |
+%%                          {handler, function()}
+%% @type decoder_option() = {input_encoding, encoding()} |
+%%                          {object_hook, function()}
+%% @type bjson_string() = binary()
+%% @type bjson_number() = integer() | float()
+%% @type bjson_array() = [bjson_term()]
+%% @type bjson_object() = {struct, [{bjson_string(), bjson_term()}]}
+%% @type bjson_term() = bjson_string() | bjson_number() | bjson_array() |
+%%                      bjson_object()
+%% @type binary_encoder_option() = {handler, function()}
+%% @type binary_decoder_option() = {object_hook, function()}
+
+-record(encoder, {input_encoding=unicode,
+                  handler=null}).
+
+-record(decoder, {input_encoding=utf8,
+                  object_hook=null,
+                  line=1,
+                  column=1,
+                  state=null}).
+
+%% @spec encoder([encoder_option()]) -> function()
+%% @doc Create an encoder/1 with the given options.
+encoder(Options) ->
+    State = parse_encoder_options(Options, #encoder{}),
+    fun (O) -> json_encode(O, State) end.
+
+%% @spec encode(json_term()) -> iolist()
+%% @doc Encode the given as JSON to an iolist.
+encode(Any) ->
+    json_encode(Any, #encoder{}).
+
+%% @spec decoder([decoder_option()]) -> function()
+%% @doc Create a decoder/1 with the given options.
+decoder(Options) ->
+    State = parse_decoder_options(Options, #decoder{}),
+    fun (O) -> json_decode(O, State) end.
+
+%% @spec decode(iolist()) -> json_term()
+%% @doc Decode the given iolist to Erlang terms.
+decode(S) ->
+    json_decode(S, #decoder{}).
+
+%% @spec binary_decoder([binary_decoder_option()]) -> function()
+%% @doc Create a binary_decoder/1 with the given options.
+binary_decoder(Options) ->
+    mochijson2:decoder(Options).
+
+%% @spec binary_encoder([binary_encoder_option()]) -> function()
+%% @doc Create a binary_encoder/1 with the given options.
+binary_encoder(Options) ->
+    mochijson2:encoder(Options).
+
+%% @spec binary_encode(bjson_term()) -> iolist()
+%% @doc Encode the given as JSON to an iolist, using lists for arrays and
+%%      binaries for strings.
+binary_encode(Any) ->
+    mochijson2:encode(Any).
+
+%% @spec binary_decode(iolist()) -> bjson_term()
+%% @doc Decode the given iolist to Erlang terms, using lists for arrays and
+%%      binaries for strings.
+binary_decode(S) ->
+    mochijson2:decode(S).
+
+test() ->
+    test_all(),
+    mochijson2:test().
+
+%% Internal API
+
+parse_encoder_options([], State) ->
+    State;
+parse_encoder_options([{input_encoding, Encoding} | Rest], State) ->
+    parse_encoder_options(Rest, State#encoder{input_encoding=Encoding});
+parse_encoder_options([{handler, Handler} | Rest], State) ->
+    parse_encoder_options(Rest, State#encoder{handler=Handler}).
+
+parse_decoder_options([], State) ->
+    State;
+parse_decoder_options([{input_encoding, Encoding} | Rest], State) ->
+    parse_decoder_options(Rest, State#decoder{input_encoding=Encoding});
+parse_decoder_options([{object_hook, Hook} | Rest], State) ->
+    parse_decoder_options(Rest, State#decoder{object_hook=Hook}).
+
+json_encode(true, _State) ->
+    "true";
+json_encode(false, _State) ->
+    "false";
+json_encode(null, _State) ->
+    "null";
+json_encode(I, _State) when is_integer(I) ->
+    integer_to_list(I);
+json_encode(F, _State) when is_float(F) ->
+    mochinum:digits(F);
+json_encode(L, State) when is_list(L); is_binary(L); is_atom(L) ->
+    json_encode_string(L, State);
+json_encode({array, Props}, State) when is_list(Props) ->
+    json_encode_array(Props, State);
+json_encode({struct, Props}, State) when is_list(Props) ->
+    json_encode_proplist(Props, State);
+json_encode(Bad, #encoder{handler=null}) ->
+    exit({json_encode, {bad_term, Bad}});
+json_encode(Bad, State=#encoder{handler=Handler}) ->
+    json_encode(Handler(Bad), State).
+
+json_encode_array([], _State) ->
+    "[]";
+json_encode_array(L, State) ->
+    F = fun (O, Acc) ->
+                [$,, json_encode(O, State) | Acc]
+        end,
+    [$, | Acc1] = lists:foldl(F, "[", L),
+    lists:reverse([$\] | Acc1]).
+
+json_encode_proplist([], _State) ->
+    "{}";
+json_encode_proplist(Props, State) ->
+    F = fun ({K, V}, Acc) ->
+                KS = case K of 
+                         K when is_atom(K) ->
+                             json_encode_string_utf8(atom_to_list(K));
+                         K when is_integer(K) ->
+                             json_encode_string(integer_to_list(K), State);
+                         K when is_list(K); is_binary(K) ->
+                             json_encode_string(K, State)
+                     end,
+                VS = json_encode(V, State),
+                [$,, VS, $:, KS | Acc]
+        end,
+    [$, | Acc1] = lists:foldl(F, "{", Props),
+    lists:reverse([$\} | Acc1]).
+
+json_encode_string(A, _State) when is_atom(A) ->
+    json_encode_string_unicode(xmerl_ucs:from_utf8(atom_to_list(A)));
+json_encode_string(B, _State) when is_binary(B) ->
+    json_encode_string_unicode(xmerl_ucs:from_utf8(B));
+json_encode_string(S, #encoder{input_encoding=utf8}) ->
+    json_encode_string_utf8(S);
+json_encode_string(S, #encoder{input_encoding=unicode}) ->
+    json_encode_string_unicode(S).
+
+json_encode_string_utf8(S) ->
+    [?Q | json_encode_string_utf8_1(S)].
+
+json_encode_string_utf8_1([C | Cs]) when C >= 0, C =< 16#7f ->
+    NewC = case C of
+               $\\ -> "\\\\";
+               ?Q -> "\\\"";
+               _ when C >= $\s, C < 16#7f -> C;
+               $\t -> "\\t";
+               $\n -> "\\n";
+               $\r -> "\\r";
+               $\f -> "\\f";
+               $\b -> "\\b";
+               _ when C >= 0, C =< 16#7f -> unihex(C);
+               _ -> exit({json_encode, {bad_char, C}})
+           end,
+    [NewC | json_encode_string_utf8_1(Cs)];
+json_encode_string_utf8_1(All=[C | _]) when C >= 16#80, C =< 16#10FFFF ->
+    [?Q | Rest] = json_encode_string_unicode(xmerl_ucs:from_utf8(All)),
+    Rest;
+json_encode_string_utf8_1([]) ->
+    "\"".
+
+json_encode_string_unicode(S) ->
+    [?Q | json_encode_string_unicode_1(S)].
+
+json_encode_string_unicode_1([C | Cs]) ->
+    NewC = case C of
+               $\\ -> "\\\\";
+               ?Q -> "\\\"";
+               _ when C >= $\s, C < 16#7f -> C;
+               $\t -> "\\t";
+               $\n -> "\\n";
+               $\r -> "\\r";
+               $\f -> "\\f";
+               $\b -> "\\b";
+               _ when C >= 0, C =< 16#10FFFF -> unihex(C);
+               _ -> exit({json_encode, {bad_char, C}})
+           end,
+    [NewC | json_encode_string_unicode_1(Cs)];
+json_encode_string_unicode_1([]) ->
+    "\"".
+
+dehex(C) when C >= $0, C =< $9 ->
+    C - $0;
+dehex(C) when C >= $a, C =< $f ->
+    C - $a + 10;
+dehex(C) when C >= $A, C =< $F ->
+    C - $A + 10.
+
+hexdigit(C) when C >= 0, C =< 9 ->
+    C + $0;
+hexdigit(C) when C =< 15 ->
+    C + $a - 10.
+
+unihex(C) when C < 16#10000 ->
+    <<D3:4, D2:4, D1:4, D0:4>> = <<C:16>>,
+    Digits = [hexdigit(D) || D <- [D3, D2, D1, D0]],
+    [$\\, $u | Digits];
+unihex(C) when C =< 16#10FFFF ->
+    N = C - 16#10000,
+    S1 = 16#d800 bor ((N bsr 10) band 16#3ff),
+    S2 = 16#dc00 bor (N band 16#3ff),
+    [unihex(S1), unihex(S2)].
+
+json_decode(B, S) when is_binary(B) ->
+    json_decode(binary_to_list(B), S);
+json_decode(L, S) ->
+    {Res, L1, S1} = decode1(L, S),
+    {eof, [], _} = tokenize(L1, S1#decoder{state=trim}),
+    Res.
+
+decode1(L, S=#decoder{state=null}) ->
+    case tokenize(L, S#decoder{state=any}) of
+        {{const, C}, L1, S1} ->
+            {C, L1, S1};
+        {start_array, L1, S1} ->
+            decode_array(L1, S1#decoder{state=any}, []);
+        {start_object, L1, S1} ->
+            decode_object(L1, S1#decoder{state=key}, [])
+    end.
+
+make_object(V, #decoder{object_hook=null}) ->
+    V;
+make_object(V, #decoder{object_hook=Hook}) ->
+    Hook(V).
+
+decode_object(L, S=#decoder{state=key}, Acc) ->
+    case tokenize(L, S) of
+        {end_object, Rest, S1} ->
+            V = make_object({struct, lists:reverse(Acc)}, S1),
+            {V, Rest, S1#decoder{state=null}};
+        {{const, K}, Rest, S1} when is_list(K) ->
+            {colon, L2, S2} = tokenize(Rest, S1),
+            {V, L3, S3} = decode1(L2, S2#decoder{state=null}),
+            decode_object(L3, S3#decoder{state=comma}, [{K, V} | Acc])
+    end;