[dygraphs.git] / generate-documentation.py

#!/usr/bin/env python

# Generate docs/options.html

import json
import glob
import re
import sys

# Set this to the path to a test file to get debug output for just that test
# file. Can be helpful to figure out why a test is not being shown for a
# particular option.
debug_tests = []  # [ 'tests/zoom.html' ]

# Pull options reference JSON out of dygraph.js
js = ''
in_json = False
for line in file('dygraph-options-reference.js'):
  if '<JSON>' in line:
    in_json = True
  elif '</JSON>' in line:
    in_json = False
  elif in_json:
    js += line

# TODO(danvk): better errors here.
assert js
docs = json.loads(js)

# Go through the tests and find uses of each option.
for opt in docs:
  docs[opt]['tests'] = []

# This is helpful for differentiating uses of options like 'width' and 'height'
# from appearances of identically-named options in CSS.
def find_braces(txt):
  """Really primitive method to find text inside of {..} braces.
  Doesn't work if there's an unmatched brace in a string, e.g. '{'. """
  out = ''
  level = 0
  for char in txt:
    if char == '{':
      level += 1
    if level >= 1:
      out += char
    if char == '}':
      level -= 1
  return out

# Find text followed by a colon. These won't all be options, but those that
# have the same name as a Dygraph option probably will be.
prop_re = re.compile(r'\b([a-zA-Z0-9]+) *:')
tests = debug_tests or glob.glob('tests/*.html')
for test_file in tests:
  braced_html = find_braces(file(test_file).read())
  if debug_tests:
    print braced_html

  ms = re.findall(prop_re, braced_html)
  for opt in ms:
    if debug_tests: print '\n'.join(ms)
    if opt in docs and test_file not in docs[opt]['tests']:
      docs[opt]['tests'].append(test_file)

if debug_tests: sys.exit(0)

# Extract a labels list.
labels = []
for nu, opt in docs.iteritems():
  for label in opt['labels']:
    if label not in labels:
      labels.append(label)

print """<!DOCTYPE HTML>
<html>
<head>
  <title>Dygraphs Options Reference</title>
  <link rel="stylesheet" href="style.css">
  <style type="text/css">
    p.option {
      padding-left: 25px;
    }
    div.parameters {
      padding-left: 15px;
    }
    #nav {
      position: fixed;
    }
    #content {
      max-width: 800px;
    }
  </style>
</head>
<body>
"""

print """
<div id='nav'>
<h2>Dygraphs</h2>
<ul>
  <li><a href="index.html">Home</a>
  <li><a href="data.html">Data Formats</a></li>
  <li><a href="annotations.html">Annotations</a></li>
</ul>
<h2>Options Reference</h2>
<ul>
  <li><a href="#usage">Usage</a>
"""
for label in sorted(labels):
  print '  <li><a href="#%s">%s</a>\n' % (label, label)
print '</ul>\n</div>\n\n'

def name(f):
  """Takes 'tests/demo.html' -> 'demo'"""
  return f.replace('tests/', '').replace('.html', '')

print """
<div id='content'>
<h2>Options Reference</h2>
<p>Dygraphs tries to do a good job of displaying your data without any further configuration. But inevitably, you're going to want to tinker. Dygraphs provides a rich set of options for configuring its display and behavior.</p>

<a name="usage"></a><h3>Usage</h3>
<p>You specify options in the third parameter to the dygraphs constructor:</p>
<pre>g = new Dygraph(div,
                data,
                {
                  option1: value1,
                  option2: value2,
                  ...
                });
</pre>

<p>After you've created a Dygraph, you can change an option by calling the <code>updateOptions</code> method:</p>
<pre>g.updateOptions({
                  new_option1: value1,
                  new_option2: value2
                });
</pre>
<p>And, without further ado, here's the complete list of options:</p>
"""
for label in sorted(labels):
  print '<a name="%s"><h3>%s</h3>\n' % (label, label)

  for opt_name in sorted(docs.keys()):
    opt = docs[opt_name]
    if label not in opt['labels']: continue
    tests = opt['tests']
    if not tests:
      examples_html = '<font color=red>NONE</font>'
    else:
      examples_html = ' '.join(
        '<a href="%s">%s</a>' % (f, name(f)) for f in tests)

    if 'parameters' in opt:
      parameters = opt['parameters']
      parameters_html = '\n'.join("<i>%s</i>: %s<br/>" % (p[0], p[1]) for p in parameters)
      parameters_html = "\n  <div class='parameters'>\n%s</div>" % (parameters_html);
    else:
      parameters_html = ''

    if not opt['type']: opt['type'] = '(missing)'
    if not opt['default']: opt['default'] = '(missing)'
    if not opt['description']: opt['description'] = '(missing)'

    print """
  <div class='option'><a name="%(name)s"></a><b>%(name)s</b><br/>
  %(desc)s<br/>
  <i>Type: %(type)s</i><br/>%(parameters)s
  <i>Default: %(default)s</i><br/>
  Examples: %(examples_html)s<br/>
  <br/></div>
  """ % { 'name': opt_name,
          'type': opt['type'],
          'parameters': parameters_html,
          'default': opt['default'],
          'desc': opt['description'],
          'examples_html': examples_html}


print """
<a name="point_properties"></a><h3>Point Properties</h3>
Some callbacks take a point argument. Its properties are:<br/>
<ul>
<li>xval/yval: The data coordinates of the point (with dates/times as millis since epoch)</li>
<li>canvasx/canvasy: The canvas coordinates at which the point is drawn.</li>
<li>name: The name of the data series to which the point belongs</li>
</ul>
</div>
</body>
</html>
"""

# This page was super-helpful:
# http://jsbeautifier.org/
Commit	Line	Data
db071c3e	1	#!/usr/bin/env python
ea910bfa RK	2
	3	# Generate docs/options.html
	4
0e37f8e5 DV	5	import json
	6	import glob
	7	import re
d1d19c3e DV	8	import sys
	9
	10	# Set this to the path to a test file to get debug output for just that test
	11	# file. Can be helpful to figure out why a test is not being shown for a
	12	# particular option.
	13	debug_tests = [] # [ 'tests/zoom.html' ]
0e37f8e5	14
88b1e052	15	# Pull options reference JSON out of dygraph.js
0e37f8e5 DV	16	js = ''
0e37f8e5 DV	17	in_json = False
730852d8	18	for line in file('dygraph-options-reference.js'):
0e37f8e5 DV	19	if '<JSON>' in line:
	20	in_json = True
	21	elif '</JSON>' in line:
	22	in_json = False
	23	elif in_json:
	24	js += line
	25
	26	# TODO(danvk): better errors here.
	27	assert js
	28	docs = json.loads(js)
	29
	30	# Go through the tests and find uses of each option.
	31	for opt in docs:
	32	docs[opt]['tests'] = []
	33
88b1e052 DV	34	# This is helpful for differentiating uses of options like 'width' and 'height'
88b1e052 DV	35	# from appearances of identically-named options in CSS.
0e37f8e5 DV	36	def find_braces(txt):
	37	"""Really primitive method to find text inside of {..} braces.
	38	Doesn't work if there's an unmatched brace in a string, e.g. '{'. """
	39	out = ''
	40	level = 0
	41	for char in txt:
	42	if char == '{':
	43	level += 1
	44	if level >= 1:
	45	out += char
	46	if char == '}':
	47	level -= 1
	48	return out
	49
88b1e052 DV	50	# Find text followed by a colon. These won't all be options, but those that
88b1e052 DV	51	# have the same name as a Dygraph option probably will be.
d1d19c3e DV	52	prop_re = re.compile(r'\b([a-zA-Z0-9]+) *:')
	53	tests = debug_tests or glob.glob('tests/*.html')
	54	for test_file in tests:
0e37f8e5	55	braced_html = find_braces(file(test_file).read())
d1d19c3e DV	56	if debug_tests:
	57	print braced_html
	58
0e37f8e5 DV	59	ms = re.findall(prop_re, braced_html)
0e37f8e5 DV	60	for opt in ms:
d1d19c3e	61	if debug_tests: print '\n'.join(ms)
0e37f8e5 DV	62	if opt in docs and test_file not in docs[opt]['tests']:
	63	docs[opt]['tests'].append(test_file)
	64
d1d19c3e DV	65	if debug_tests: sys.exit(0)
d1d19c3e DV	66
a38e9336 DV	67	# Extract a labels list.
	68	labels = []
	69	for nu, opt in docs.iteritems():
	70	for label in opt['labels']:
	71	if label not in labels:
	72	labels.append(label)
	73
b5bdd85b	74	print """<!DOCTYPE HTML>
a38e9336 DV	75	<html>
	76	<head>
	77	<title>Dygraphs Options Reference</title>
5af2de24	78	<link rel="stylesheet" href="style.css">
a38e9336 DV	79	<style type="text/css">
	80	p.option {
	81	padding-left: 25px;
5af2de24	82	}
b5bdd85b RK	83	div.parameters {
	84	padding-left: 15px;
	85	}
5af2de24 DV	86	#nav {
	87	position: fixed;
	88	}
	89	#content {
a38e9336 DV	90	max-width: 800px;
	91	}
	92	</style>
	93	</head>
	94	<body>
	95	"""
	96
5af2de24	97	print """
b5bdd85b	98	<div id='nav'>
5af2de24 DV	99	<h2>Dygraphs</h2>
	100	<ul>
	101	<li><a href="index.html">Home</a>
	102	<li><a href="data.html">Data Formats</a></li>
	103	<li><a href="annotations.html">Annotations</a></li>
	104	</ul>
	105	<h2>Options Reference</h2>
	106	<ul>
	107	<li><a href="#usage">Usage</a>
	108	"""
a38e9336 DV	109	for label in sorted(labels):
a38e9336 DV	110	print ' <li><a href="#%s">%s</a>\n' % (label, label)
5af2de24	111	print '</ul>\n</div>\n\n'
a38e9336	112
0e37f8e5	113	def name(f):
88b1e052	114	"""Takes 'tests/demo.html' -> 'demo'"""
0e37f8e5 DV	115	return f.replace('tests/', '').replace('.html', '')
0e37f8e5 DV	116
5af2de24	117	print """
b5bdd85b	118	<div id='content'>
5af2de24 DV	119	<h2>Options Reference</h2>
	120	<p>Dygraphs tries to do a good job of displaying your data without any further configuration. But inevitably, you're going to want to tinker. Dygraphs provides a rich set of options for configuring its display and behavior.</p>
	121
b5bdd85b RK	122	<a name="usage"></a><h3>Usage</h3>
b5bdd85b RK	123	<p>You specify options in the third parameter to the dygraphs constructor:</p>
5af2de24 DV	124	<pre>g = new Dygraph(div,
	125	data,
	126	{
	127	option1: value1,
	128	option2: value2,
	129	...
	130	});
	131	</pre>
	132
b5bdd85b	133	<p>After you've created a Dygraph, you can change an option by calling the <code>updateOptions</code> method:</p>
5af2de24 DV	134	<pre>g.updateOptions({
	135	new_option1: value1,
	136	new_option2: value2
	137	});
	138	</pre>
5af2de24 DV	139	<p>And, without further ado, here's the complete list of options:</p>
5af2de24 DV	140	"""
a38e9336	141	for label in sorted(labels):
5af2de24	142	print '<a name="%s"><h3>%s</h3>\n' % (label, label)
a38e9336 DV	143
	144	for opt_name in sorted(docs.keys()):
	145	opt = docs[opt_name]
	146	if label not in opt['labels']: continue
	147	tests = opt['tests']
	148	if not tests:
	149	examples_html = '<font color=red>NONE</font>'
	150	else:
	151	examples_html = ' '.join(
	152	'<a href="%s">%s</a>' % (f, name(f)) for f in tests)
	153
b5bdd85b RK	154	if 'parameters' in opt:
	155	parameters = opt['parameters']
	156	parameters_html = '\n'.join("<i>%s</i>: %s<br/>" % (p[0], p[1]) for p in parameters)
	157	parameters_html = "\n <div class='parameters'>\n%s</div>" % (parameters_html);
	158	else:
	159	parameters_html = ''
	160
5af2de24 DV	161	if not opt['type']: opt['type'] = '(missing)'
	162	if not opt['default']: opt['default'] = '(missing)'
	163	if not opt['description']: opt['description'] = '(missing)'
	164
a38e9336	165	print """
b5bdd85b	166	<div class='option'><a name="%(name)s"></a><b>%(name)s</b><br/>
a38e9336	167	%(desc)s<br/>
b5bdd85b RK	168	<i>Type: %(type)s</i><br/>%(parameters)s
b5bdd85b RK	169	<i>Default: %(default)s</i><br/>
a38e9336	170	Examples: %(examples_html)s<br/>
b5bdd85b	171	<br/></div>
a38e9336 DV	172	""" % { 'name': opt_name,
a38e9336 DV	173	'type': opt['type'],
b5bdd85b	174	'parameters': parameters_html,
a38e9336 DV	175	'default': opt['default'],
	176	'desc': opt['description'],
	177	'examples_html': examples_html}
0e37f8e5	178
0e37f8e5	179
5af2de24	180	print """
b5bdd85b RK	181	<a name="point_properties"></a><h3>Point Properties</h3>
	182	Some callbacks take a point argument. Its properties are:<br/>
	183	<ul>
	184	<li>xval/yval: The data coordinates of the point (with dates/times as millis since epoch)</li>
	185	<li>canvasx/canvasy: The canvas coordinates at which the point is drawn.</li>
	186	<li>name: The name of the data series to which the point belongs</li>
	187	</ul>
5af2de24 DV	188	</div>
	189	</body>
	190	</html>
	191	"""
	192
a38e9336 DV	193	# This page was super-helpful:
a38e9336 DV	194	# http://jsbeautifier.org/