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#
# Copyright (C) 2000 Stephen Davies
# Copyright (C) 2000 Stefan Seefeld
# All rights reserved.
# Licensed to the public under the terms of the GNU LGPL (>= 2),
# see the file COPYING for details.
#
from Synopsis.Processor import Parameter
from Synopsis import AST, Util
from Synopsis.Formatters.HTML.View import View
from Synopsis.Formatters.HTML.Tags import *
import os, stat, os.path, string, time, re
def compile_glob(globstr):
"""Returns a compiled regular expression for the given glob string. A
glob string is something like "*.?pp" which gets translated into
"^.*\..pp$"."""
glob = string.replace(globstr, '.', '\.')
glob = string.replace(glob, '?', '.')
glob = string.replace(glob, '*', '.*')
glob = re.compile('^%s$'%glob)
return glob
class DirBrowse(View):
"""A view that shows the entire contents of directories, in a form similar
to LXR."""
src_dir = Parameter('', 'starting point for directory listing')
base_path = Parameter('', 'path prefix to strip off of the file names')
exclude = Parameter([], 'TODO: define an exclusion mechanism (glob based ?)')
def filename(self):
"""since FileTree generates a whole file hierarchy, this method returns the current filename,
which may change over the lifetime of this object"""
return self.__filename
def title(self):
"""since FileTree generates a while file hierarchy, this method returns the current title,
which may change over the lifetime of this object"""
return self.__title
def filename_for_dir(self, dir):
"""Returns the output filename for the given input directory"""
if dir is self.src_dir:
return self.processor.file_layout.special('dir')
scope = string.split(rel(self.src_dir, dir), os.sep)
return self.processor.file_layout.scoped_special('dir', scope)
def register(self, processor):
"""Registers a view for each file in the hierarchy"""
View.register(self, processor)
self._exclude = [compile_glob(e) for e in self.exclude]
self.__filename = self.processor.file_layout.special('dir')
self.__title = 'Directory Listing'
processor.set_main_view(self.__filename)
# FIXME: file_layout.special() will return two distinct values,
# depending on whether this is the main view or not
# but because __filename is used to *define* the main view,
# we are in a catch 22...
self.processor.add_root_view(self.processor.file_layout.special('dir'),
self.title(), 'main', 2)
def register_filenames(self, start):
"""Registers a view for every directory"""
dirs = [self.src_dir]
while dirs:
dir = dirs.pop(0)
for entry in os.listdir(os.path.abspath(dir)):
exclude = 0
for re in self._exclude:
if re.match(entry):
exclude = 1
break
if exclude:
continue
entry_path = os.path.join(dir, entry)
if os.path.isdir(entry_path):
filename = self.filename_for_dir(dir)
self.processor.register_filename(filename, self, entry_path)
dirs.append(entry_path)
def process(self, start):
"""Recursively visit each directory below the base path given in the
config."""
#if not self.__base: return
self.process_dir(self.src_dir)
def process_dir(self, path):
"""Process a directory, producing an output view for it"""
file_layout = self.processor.file_layout
# Find the filename
self.__filename = self.filename_for_dir(path)
# Start the file
self.start_file()
self.write(self.processor.navigation_bar(self.filename(), 1))
# Write intro stuff
root = rel(self.base_path, self.src_dir)
if not len(root) or root[-1] != '/': root = root + '/'
if path is self.src_dir:
self.write('<h1> '+root)
else:
self.write('<h1>'+href(file_layout.special('dir'), root + ' '))
dirscope = []
scope = string.split(rel(self.src_dir, path), os.sep)
for dir in scope[:-1]:
dirscope.append(dir)
dirlink = file_layout.scoped_special('dir', dirscope)
dirlink = rel(self.filename(), dirlink)
self.write(href(dirlink, dir+'/ '))
if len(scope) > 0:
self.write(scope[-1]+'/')
self.write(' - Directory listing</h1>')
# Start the table
self.write('<table summary="Directory Listing">\n')
self.write('<tr><th align=left>Name</th>')
self.write('<th align="right">Size (bytes)</th>')
self.write('<th align="right">Last modified (GMT)</th></tr>\n')
# List all files in the directory
entries = os.listdir(os.path.abspath(path))
entries.sort()
files = []
dirs = []
for entry in entries:
exclude = 0
for re in self._exclude:
if re.match(entry):
exclude = 1
break
if exclude:
continue
entry_path = os.path.join(path, entry)
info = os.stat(entry_path)
if stat.S_ISDIR(info[stat.ST_MODE]):
# A directory, process now
scope = string.split(rel(self.src_dir, entry_path), os.sep)
linkpath = file_layout.scoped_special('dir', scope)
linkpath = rel(self.filename(), linkpath)
self.write('<tr><td>%s</td><td></td><td align="right">%s</td></tr>\n'%(
href(linkpath, entry+'/'),
time.asctime(time.gmtime(info[stat.ST_MTIME]))))
dirs.append(entry_path)
else:
files.append((entry_path, entry, info))
for path, entry, info in files:
size = info[stat.ST_SIZE]
timestr = time.asctime(time.gmtime(info[stat.ST_MTIME]))
# strip of base_path
path = path[len(self.base_path):]
if path[0] == '/': path = path[1:]
linkpath = file_layout.file_source(path)
rego = self.processor.filename_info(linkpath)
if rego:
linkurl = rel(self.filename(), linkpath)
self.write('<tr><td>%s</td><td align=right>%d</td><td align="right">%s</td></tr>\n'%(
href(linkurl, entry, target="main"), size, timestr))
else:
#print "No link for",linkpath
self.write('<tr><td>%s</td><td align=right>%d</td><td align="right">%s</td></tr>\n'%(
entry, size, timestr))
# End the table and file
self.write('</table>')
self.end_file()
# recursively create all child directory views
for dir in dirs:
self.process_dir(dir)
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