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# MIT License
#
# Copyright The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import os
import SCons.Node
import SCons.Node.FS
import SCons.Scanner
import SCons.Util
def _subst_libs(env, libs):
"""
Substitute environment variables and split into list.
"""
if SCons.Util.is_String(libs):
libs = env.subst(libs)
if SCons.Util.is_String(libs):
libs = libs.split()
elif SCons.Util.is_Sequence(libs):
_libs = []
for lib in libs:
_libs += _subst_libs(env, lib)
libs = _libs
else:
# libs is an object (Node, for example)
libs = [libs]
return libs
def _collect_classes(list, dirname, files):
for fname in files:
if os.path.splitext(fname)[1] == ".class":
list.append(os.path.join(str(dirname), fname))
def scan(node, env, libpath=()):
"""Scan for files on the JAVACLASSPATH.
The classpath can contain:
- Explicit paths to JAR/Zip files
- Wildcards (*)
- Directories which contain classes in an unnamed package
- Parent directories of the root package for classes in a named package
Class path entries that are neither directories nor archives (.zip or JAR files) nor the asterisk (*) wildcard character are ignored.
"""
classpath = env.get('JAVACLASSPATH', [])
classpath = _subst_libs(env, classpath)
result = []
for path in classpath:
if SCons.Util.is_String(path) and "*" in path:
libs = env.Glob(path)
else:
libs = [path]
for lib in libs:
if os.path.isdir(str(lib)):
# grab the in-memory nodes
env.Dir(lib).walk(_collect_classes, result)
# now the on-disk ones
for root, dirs, files in os.walk(str(lib)):
_collect_classes(result, root, files)
else:
result.append(lib)
return list(filter(lambda x: os.path.splitext(str(x))[1] in [".class", ".zip", ".jar"], result))
def JavaScanner():
return SCons.Scanner.Base(scan, 'JavaScanner',
skeys=['.java'])
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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