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#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import base64
import optparse
import parse_deps
import sys
import os
import re
srcdir = os.path.abspath(os.path.join(os.path.dirname(__file__), "../src"))
html_warning_message = """
<!--
WARNING: This file is auto generated.
Do not edit directly.
-->
"""
js_warning_message = """
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/* WARNING: This file is auto generated.
*
* Do not edit directly.
*/
"""
css_warning_message = """
/* Copyright (c) 2013 The Chromium Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file. */
/* WARNING: This file is auto-generated.
*
* Do not edit directly.
*/
"""
def generate_css(load_sequence):
style_sheet_chunks = [css_warning_message, '\n']
for module in load_sequence:
for style_sheet in module.style_sheets:
style_sheet_chunks.append("""%s\n""" % style_sheet.contents)
# Borrowed from grit html_format.py.
def InlineUrl(m):
filename = m.group('filename')
idx = filename.index('/images')
filename = "%s%s" % (srcdir, filename[idx:])
ext = filename[filename.rindex('.') + 1:]
with open(filename, 'rb') as f:
data = f.read();
data = base64.standard_b64encode(data)
return "url(data:image/%s;base64,%s)" % (ext, data)
full_style_sheet = ''.join(style_sheet_chunks)
# I'm assuming we only have url()'s associated with images
return re.sub('url\((?P<quote>"|\'|)(?P<filename>[^"\'()]*)(?P=quote)\)',
lambda m: InlineUrl(m),
full_style_sheet)
def generate_js(load_sequence, include_html_templates=True):
js_chunks = [js_warning_message, '\n']
js_chunks.append("window.FLATTENED = {};\n")
js_chunks.append("window.FLATTENED_RAW_SCRIPTS = {};\n")
for module in load_sequence:
for dependent_raw_script_name in module.dependent_raw_script_names:
js_chunks.append("window.FLATTENED_RAW_SCRIPTS['%s'] = true;\n" %
dependent_raw_script_name)
js_chunks.append( "window.FLATTENED['%s'] = true;\n" % module.name)
if include_html_templates:
html_encoded = base64.b64encode(
generate_html_for_combined_templates(load_sequence))
js_chunks.append("var templateData_ = window.atob('" +
html_encoded + "');\n");
js_chunks.append("var templateElem_ = document.createElement('div');\n");
js_chunks.append("templateElem_.innerHTML = templateData_;\n");
js_chunks.append("while (templateElem_.hasChildNodes()) {\n");
js_chunks.append(" document.head.appendChild(" +
"templateElem_.removeChild(templateElem_.firstChild));\n");
js_chunks.append("}\n\n");
for module in load_sequence:
for dependent_raw_script in module.dependent_raw_scripts:
js_chunks.append(dependent_raw_script.contents)
js_chunks.append('\n')
js_chunks.append(module.contents)
js_chunks.append("\n")
return ''.join(js_chunks)
def generate_deps_js(load_sequence):
chunks = [js_warning_message, '\n']
for module in load_sequence:
for dependent_module_name in module.dependent_module_names:
chunks.append("base.addModuleDependency('%s','%s');\n" % (
module.name, dependent_module_name));
for dependent_raw_script_name in module.dependent_raw_script_names:
chunks.append(
"base.addModuleRawScriptDependency('%s','%s');\n" % (
module.name, dependent_raw_script_name));
for style_sheet in module.style_sheets:
chunks.append("base.addModuleStylesheet('%s','%s');\n" % (
module.name, style_sheet.name));
return "".join(chunks)
def generate_html_for_combined_templates(load_sequence):
chunks = []
for module in load_sequence:
for html_template in module.html_templates:
chunks.append(html_template.contents)
return "\n".join(chunks)
class ExtraScript(object):
def __init__(self, script_id, text_content, content_type=None):
if script_id != None:
assert script_id[0] != '#'
assert isinstance(text_content, basestring)
self.script_id = script_id
self.text_content = text_content
self.content_type = content_type
def generate_standalone_html_file(load_sequence,
title,
flattened_js_url=None,
extra_scripts=None):
extra_scripts = extra_scripts or []
head_html_chunks = []
head_html_chunks.append("<style>")
head_html_chunks.append(generate_css(load_sequence))
head_html_chunks.append("</style>")
head_html_chunks.append(generate_html_for_combined_templates(load_sequence))
if flattened_js_url:
head_html_chunks.append('<script src="%s"></script>' % flattened_js_url)
else:
head_html_chunks.append('<script>')
head_html_chunks.append(generate_js(load_sequence,
include_html_templates=False))
head_html_chunks.append('</script>')
for extra_script in extra_scripts:
attrs = []
if extra_script.script_id:
attrs.append('id="%s"' % extra_script.script_id)
if extra_script.content_type:
attrs.append('content-type="%s"' % extra_script.content_type)
if len(attrs) > 0:
head_html_chunks.append('<script %s>' % ' '.join(attrs))
else:
head_html_chunks.append('<script>')
head_html_chunks.append(extra_script.text_content)
head_html_chunks.append('</script>')
return """
<!DOCTYPE HTML>
<html>
%s
<head i18n-values="dir:textdirection;">
<title>%s</title>
%s
</head>
<body>
</body>
</html>
""" % (html_warning_message,
title,
'\n'.join(head_html_chunks))
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