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build.py
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build.py
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#!/usr/bin/env python
"""Script to build the spec."""
from __future__ import print_function
import os.path
import re
import subprocess
import sys
DEBUG = False
class Parser():
"""Pre-bikeshed parser for uievents spec."""
TABLE_TYPE_EVENT_SEQUENCE = 'event-sequence'
TABLE_TYPE_EVENT_DEFINITION = 'event-definition'
def __init__(self):
self.curr_src = ''
self.curr_dst = ''
self.in_table = False
self.table_type = ''
self.table_header_data = []
self.table_column_format = []
self.table_row_data = []
self.is_header_row = False
self.id = '0'
self.event = 'evy'
self.desc = 'desc'
def error(self, msg):
print(self.curr_src, self.line)
print('Error: %s' % (msg))
sys.exit(1)
def event_type(self, type):
if type == '' or type == '...':
return type
return '<a><code>' + type + '</code></a>'
def table_row(self):
# Don't print header row for event-definition.
if self.is_header_row and self.table_type == Parser.TABLE_TYPE_EVENT_DEFINITION:
return ''
if self.is_header_row:
self.table_row_data = self.table_header_data
if len(self.table_row_data) == 0:
return ''
if self.is_header_row:
row = '<thead><tr>'
else:
row = '<tr>'
for i in range(0, len(self.table_row_data)):
data = self.table_row_data[i]
colname = self.table_header_data[i]
align = self.table_column_format[i]
style = ''
if align == 'right':
style = ' style="text-align:right"'
elif align == 'center':
style = ' style="text-align:center"'
pre = '<td%s>' % style
post = '</td>'
if self.is_header_row or colname == '%':
pre = '<th%s>' % style
post = '</th>'
if colname == '#':
pre = '<td class="cell-number"%s>' % style
if self.is_header_row:
data = ''
if not self.is_header_row and data != '':
if colname == 'Event Type':
data = self.event_type(data)
if colname == 'DOM Interface':
data = '{{' + data + '}}'
row += pre + self.process_text(data) + post
if self.is_header_row:
row += '</tr></thead>\n'
else:
row += '</tr>\n'
return row
def process_text(self, desc):
m = re.match(r'^(.*)EVENT{(.+?)}(.*)$', desc)
if m:
pre = self.process_text(m.group(1))
name = m.group(2)
post = self.process_text(m.group(3))
desc = pre + self.event_type(name) + post
m = re.match(r'^(.*)CODE{(.*?)}(.*)$', desc)
if m:
pre = self.process_text(m.group(1))
name = m.group(2)
post = self.process_text(m.group(3))
desc = '%s<code class="code">"<a href="http://www.w3.org/TR/uievents-code/#code-%s">%s</a>"</code>%s' % (pre, name, name, post)
m = re.match(r'^(.*)KEY{(.+?)}(.*)$', desc)
if m:
pre = self.process_text(m.group(1))
name = m.group(2)
post = self.process_text(m.group(3))
desc = '%s<code class="key">"<a href="http://www.w3.org/TR/uievents-key/#key-%s">%s</a>"</code>%s' % (pre, name, name, post)
m = re.match(r'^(.*)KEY_NOLINK{(.+?)}(.*)$', desc)
if m:
pre = self.process_text(m.group(1))
name = m.group(2)
post = self.process_text(m.group(3))
desc = '%s<code class="key">"%s"</code>%s' % (pre, name, post)
m = re.match(r'^(.*)KEYCAP{(.+?)}(.*)$', desc)
if m:
pre = self.process_text(m.group(1))
name = m.group(2)
post = self.process_text(m.group(3))
desc = pre + '<code class="keycap">' + name + '</code>' + post
m = re.match(r'^(.*)GLYPH{(.*?)}(.*)$', desc)
if m:
pre = self.process_text(m.group(1))
name = m.group(2)
post = self.process_text(m.group(3))
desc = pre + '<code class="glyph">"' + name + '"</code>' + post
m = re.match(r'^(.*)UNI{(.+?)}(.*)$', desc)
if m:
pre = self.process_text(m.group(1))
name = m.group(2)
post = self.process_text(m.group(3))
if name[0:2] != 'U+':
self.error('Invalid Unicode value (expected U+xxxx): %s\n' % name)
desc = pre + '<code class="unicode">' + name + '</code>' + post
return desc
def process_line(self, line):
if self.in_table:
# Header rows begin with '=|'
m = re.match(r'^\s*\=\|(.*)\|$', line)
if m:
self.table_header_data = [x.strip() for x in m.group(1).split('|')]
self.is_header_row = True
return ''
# New data rows begin with '+|'
m = re.match(r'^\s*\+\|(.*)\|$', line)
if m:
result = self.table_row()
self.table_row_data = [x.strip() for x in m.group(1).split('|')]
self.is_header_row = False
return result
# Tables end with: '++--'
m = re.match(r'^\s*\+\+--', line)
if m:
self.in_table = False
return self.table_row() + '</table>\n'
# Separator lines begin with ' +' and end with '+'
# They may only contain '-', '+' and 'o'.
m = re.match(r'^\s* \+([\-\+o]+)\+', line)
if m:
# Separator lines may contain column formatting info.
num_columns = len(self.table_header_data)
format_data = [x.strip() for x in m.group(1).split('+')]
if len(format_data) != num_columns:
self.error('Unexpected number of columns (%d) in row (expected %d):\n%s'
% (len(format_data), num_columns, line))
for i in range(0, len(self.table_header_data)):
align = 'left'
if len(format_data[i]) != 0:
if format_data[i][0] == 'o':
align = 'left'
elif format_data[i][-1] == 'o':
align = 'right'
elif 'o' in format_data[i]:
align = 'center'
self.table_column_format.append(align)
return ''
# Row continued from previous line: ' |'
m = re.match(r'^\s*\|(.*)\|', line)
if m:
num_columns = len(self.table_header_data)
extra_data = [x.strip() for x in m.group(1).split('|')]
if len(extra_data) != num_columns:
self.error('Unexpected number of columns (%d) in row (expected %d):\n%s'
% (len(extra_data), num_columns, line))
for i in range(0, len(self.table_header_data)):
if len(extra_data[i]) != 0:
if self.is_header_row:
self.table_header_data[i] += ' ' + extra_data[i]
else:
self.table_row_data[i] += ' ' + extra_data[i]
return ''
self.error('Expected table line: ' + line)
return('')
# Tables begin with: ++---+----+-------+
m = re.match(r'^\s*\+\+--[\-\+]*\+(?P<class> [\-a-z]+)?$', line)
if m:
table_class = m.group('class')
if table_class == None:
table_class = 'event-sequence-table'
self.table_type = Parser.TABLE_TYPE_EVENT_SEQUENCE
else:
table_class = table_class[1:]
self.table_type = Parser.TABLE_TYPE_EVENT_DEFINITION
self.in_table = True
#self.table_type = Parser.TABLE_TYPE_EVENT_SEQUENCE
self.table_header_data = []
self.table_column_format = []
self.table_row_data = []
return '<table class="%s">\n' % table_class
return self.process_text(line.rstrip()) + '\n'
def process(self, src, dst):
print('Processing', src)
self.curr_src = src
self.curr_dst = dst
if not os.path.isfile(src):
self.error('File "%s" doesn\'t exist\n' % src)
try:
infile = open(src, 'r')
except IOError as e:
self.error('Unable to open "%s" for reading: %s\n' % (src, e))
try:
outfile = open(dst, 'w')
except IOError as e:
self.error('Unable to open "%s" for writing: %s\n' % (dst, e))
self.line = 0
for line in infile:
self.line += 1
new_line = self.process_line(line)
outfile.write(new_line)
outfile.close()
infile.close()
def main():
sections = [
'introduction',
'conventions',
'architecture',
'event-interfaces',
'event-types',
'keyboard',
'legacy-event-initializers',
'legacy-key-attributes',
'legacy-event-types',
'extending-events',
'security',
'changes',
'acknowledgements',
'glossary',
]
for section in sections:
infilename = 'sections/' + section + '.txt'
outfilename = 'sections/' + section + '.include'
# Generate the full bikeshed file.
parser = Parser()
parser.process(infilename, outfilename)
if '--includes-only' in sys.argv:
print('Skipped bikeshedding because of --includes-only.')
else:
print('Bikeshedding...')
cmd = ["bikeshed", "spec"]
if DEBUG:
cmd.append('--line-numbers')
subprocess.call(cmd)
if __name__ == '__main__':
main()