diff options
Diffstat (limited to 'util/minorview/parse.py')
-rw-r--r-- | util/minorview/parse.py | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/util/minorview/parse.py b/util/minorview/parse.py new file mode 100644 index 000000000..352371428 --- /dev/null +++ b/util/minorview/parse.py @@ -0,0 +1,109 @@ +# Copyright (c) 2013 ARM Limited +# All rights reserved +# +# The license below extends only to copyright in the software and shall +# not be construed as granting a license to any other intellectual +# property including but not limited to intellectual property relating +# to a hardware implementation of the functionality of the software +# licensed hereunder. You may use the software subject to the license +# terms below provided that you ensure that this notice is replicated +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Andrew Bardsley + +import re + +def list_parser(names): + """Parse a list of elements, some of which might be one-level sublists + within parentheses, into a a list of lists of those elements. For + example: list_parser('(a,b),c') -> [['a', 'b'], 'c']""" + elems = re.split(',', names) + ret = [] + accum = [] + for elem in elems: + if re.search('^\((.*)\)$', elem): + accum.append(re.sub('^\((.*)\)', '\\1', elem)) + ret.append(accum) + accum = [] + elif re.search('^\(', elem): + accum.append(re.sub('^\(', '', elem)) + elif re.search('\)$', elem): + accum.append(re.sub('\)$', '', elem)) + ret.append(accum) + accum = [] + elif len(accum) != 0: + accum.append(elem) + else: + ret.append([elem]) + + if len(accum) > 0: + print 'Non matching brackets in', names + + return ret + +def map2(f, ls): + """map to a depth of 2. That is, given a list of lists, apply + f to those innermost elements """ + return map(lambda l: map(f, l), ls) + +def remove_trailing_ws(line): + return re.sub('\s*$', '', line) + +def remove_leading_and_trailing_ws(line): + return re.sub('\s*$', '', re.sub('^\s*', '', line)) + +def parse_pairs_list(pairString): + """parse a string like 'name=value name2=value2' into a + list of pairs of ('name', 'value') ...""" + ret = [] + pairs = re.finditer('(\w+)(=("[^"]*"|[^\s]*))?', pairString) + for pair in pairs: + name, rest, value = pair.groups() + if value is not None: + value = re.sub('^"(.*)"$', '\\1', value) + ret.append((name, value)) + else: + ret.append((name, '')) + return ret + +def parse_indexed_list(string): + """parse a string of the form "(index,value),(index,value)..." + into a list of index, value pairs""" + + ret = [] + pairs = list_parser(string) + for pair in pairs: + if len(pair) == 2: + index, value = pair + ret.append((int(index), value)) + + return ret + +def parse_pairs(pairString): + """parse a string like 'name=value name2=value2' into a + dictionary of {'name': 'value', 'name2': 'value2'} """ + return dict(parse_pairs_list(pairString)) |