import vdebug.opts

import vdebug.log

import vim

import re

import os

import urllib

class Keymapper:

"""Map and unmap key commands for the Vim user interface.

"""

exclude = ["run","set_breakpoint","eval_visual"]

def __init__(self):

self.keymaps = vim.eval("g:vdebug_keymap")

self.leader = vim.eval("g:vdebug_leader_key")

self.is_mapped = False

self.existing = []

def run_key(self):

return self.keymaps['run']

def close_key(self):

return self.keymaps['close']

def map(self):

if self.is_mapped:

return

self._store_old_map()

for func in self.keymaps:

if func not in self.exclude:

key = self.keymaps[func]

map_cmd = "noremap %s%s :python debugger.%s()<cr>" %\

(self.leader,key,func)

vim.command(map_cmd)

self.is_mapped = True

def _store_old_map(self):

vim.command('let tempfile=tempname()')

tempfile = vim.eval("tempfile")

vim.command('mkexrc! %s' % (tempfile))

regex = re.compile(r'^([nvxsoilc]|)(nore)?map!?')

split_regex = re.compile(r'\s+')

keys = set(v for (k,v) in self.keymaps.items() if k not in self.exclude)

special = set(["<buffer>", "<silent>", "<special>", "<script>", "<expr>", "<unique>"])

for line in open(tempfile, 'r'):

if not regex.match(line):

continue

parts = split_regex.split(line)[1:]

for p in parts:

if p in special:

continue

elif p in keys:

vdebug.log.Log("Storing existing key mapping, '%s' " % line,

vdebug.log.Logger.DEBUG)

self.existing.append(line)

else:

break

os.remove(tempfile)

def unmap(self):

if self.is_mapped:

self.is_mapped = False

for func in self.keymaps:

key = self.keymaps[func]

if func not in self.exclude:

vim.command("unmap %s%s" %(self.leader,key))

for mapping in self.existing:

vdebug.log.Log("Remapping key with '%s' " % mapping,\

vdebug.log.Logger.DEBUG)

vim.command(mapping)

class FilePath:

is_win = False

"""Normalizes a file name and allows for remote and local path mapping.

"""

def __init__(self,filename):

if filename is None or \

len(filename) == 0:

raise FilePathError("Missing or invalid file name")

filename = urllib.unquote(filename)

if filename.startswith('file:'):

filename = filename[5:]

if filename.startswith('///'):

filename = filename[2:]

p = re.compile('^/?[a-zA-Z]:')

if p.match(filename):

self.is_win = True

if filename[0] == "/":

filename = filename[1:]

self.local = self._create_local(filename)

self.remote = self._create_remote(filename)

def _create_local(self,f):

"""Create the file name as a locally valid version.

Uses the "local_path" and "remote_path" options.

"""

ret = f

if ret[2] == "/":

ret = ret.replace("/","\\")

if vdebug.opts.Options.isset('path_maps'):

for remote, local in vdebug.opts.Options.get('path_maps', dict).items():

if remote in ret:

vdebug.log.Log("Replacing remote path (%s) " % remote +\

"with local path (%s)" % local ,\

vdebug.log.Logger.DEBUG)

ret = ret.replace(remote,local)

break

return ret

def _create_remote(self,f):

"""Create the file name valid for the remote server.

Uses the "local_path" and "remote_path" options.

"""

ret = f

if vdebug.opts.Options.isset('path_maps'):

for remote, local in vdebug.opts.Options.get('path_maps', dict).items():

if local in ret:

vdebug.log.Log("Replacing local path (%s) " % local +\

"with remote path (%s)" % remote ,\

vdebug.log.Logger.DEBUG)

ret = ret.replace(local,remote)

break

if ret[2] == "\\":

ret = ret.replace("\\","/")

if self.is_win:

return "file:///"+ret

else:

return "file://"+ret

def as_local(self,quote = False):

if quote:

return urllib.quote(self.local)

else:

return self.local

def as_remote(self):

return self.remote

def __eq__(self,other):

if isinstance(other,FilePath):

if other.as_local() == self.as_local():

return True

return False

def __ne__(self,other):

if isinstance(other,FilePath):

if other.as_local() == self.as_local():

return False

return True

def __add__(self,other):

return self.as_local() + other

def __radd__(self,other):

return other + self.as_local()

def __str__(self):

return self.as_local()

def __repr__(self):

return str(self)

class LocalFilePath(FilePath):

def _create_local(self,f):

"""Create the file name as a locally valid version.

Uses the "local_path" and "remote_path" options.

"""

return f

class RemoteFilePath(FilePath):

def _create_remote(self,f):

"""Create the file name valid for the remote server.

Uses the "local_path" and "remote_path" options.

"""

return f

class FilePathError(Exception):

pass

class InputStream:

"""Get a character from Vim's input stream.

Used to check for keyboard interrupts."""

def probe(self):

try:

vim.eval("getchar(0)")

except: # vim.error

raise UserInterrupt()

class UserInterrupt(Exception):

"""Raised when a user interrupts connection wait."""