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import os
import subprocess
import shlex
def get_ctags_version(executable=None):
"""
Return the text output from the --version option to ctags or None if ctags
executable cannot be found. Use executable for custom ctags builds and/or
path.
"""
args = shlex.split("ctags --version")
try:
p = subprocess.Popen(args, 0, shell=False, stdout=subprocess.PIPE, executable=executable)
version = p.communicate()[0]
except:
version = None
return version
class Tag(object):
"""
Represents a ctags "tag" found in some source code.
"""
def __init__(self, name):
self.name = name
self.file = None
self.ex_command = None
self.kind = None
self.fields = {}
class Kind(object):
"""
Represents a ctags "kind" found in some source code such as "member" or
"class".
"""
def __init__(self, name):
self.name = name
self.language = None
def group_name(self):
"""
Return the kind name as a group name. For example, 'variable' would
be 'Variables'. Pluralization is complex but this method is not. It
works more often than not.
"""
group = self.name
if self.name[-1] == 's':
group += 'es'
elif self.name[-1] == 'y':
group = self.name[0:-1] + 'ies'
else:
group += 's'
return group.capitalize()
def icon_name(self):
"""
Return the icon name in the form of 'source-<kind>'.
"""
return 'source-' + self.name
class Parser(object):
"""
Ctags Parser
Parses the output of a ctags command into a list of tags and a dictionary
of kinds.
"""
def has_kind(self, kind_name):
"""
Return true if kind_name is found in the list of kinds.
"""
if kind_name in self.kinds:
return True
else:
return False
def __init__(self):
self.tags = []
self.kinds = {}
self.tree = {}
def parse(self, command, executable=None):
"""
Parse ctags tags from the output of a ctags command. For example:
ctags -n --fields=fiKmnsSzt -f - some_file.php
"""
#args = [arg.replace('%20', ' ') for arg in shlex.split(command)]
args = shlex.split(command)
p = subprocess.Popen(args, 0, shell=False, stdout=subprocess.PIPE, executable=executable)
symbols = self._parse_text(p.communicate()[0].decode('utf8'))
def _parse_text(self, text):
"""
Parses ctags text which may have come from a TAG file or from raw output
from a ctags command.
"""
for line in text.splitlines():
name = None
file = None
ex_command = None
kind = None
for i, field in enumerate(line.split("\t")):
if i == 0: tag = Tag(field)
elif i == 1: tag.file = field
elif i == 2: tag.ex_command = field
elif i > 2:
if ":" in field:
key, value = field.split(":")[0:2]
tag.fields[key] = value
if key == 'kind':
kind = Kind(value)
if not kind in self.kinds:
self.kinds[value] = kind
if kind is not None:
if 'language' in tag.fields:
kind.language = tag.fields['language']
tag.kind = kind
self.tags.append(tag)
"""
def get_tree(self):
tree = {}
for tag in self.tags:
if 'class' in tag.fields:
parent = tag.fields['class']
if "." in parent:
parents = parent.split(".")
node = tree
for p in parents:
if not p in node:
node[p] = {'tag':None, 'children':{}}
node = node[p]
print node
node['tag'] = tag
else:
if not parent in self.tree:
tree[parent] = {'tag':None, 'children':{}}
tree[parent]['children'][tag.name] = {'tag':tag, 'children':{}}
else:
if tag.name in self.tree:
tree[tag.name]['tag'] = tag
else:
tree[tag.name] = {'tag': tag, 'children':{}}
return tree
"""
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