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author | William Deegan <bill@baddogconsulting.com> | 2020-05-06 19:01:37 (GMT) |
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committer | William Deegan <bill@baddogconsulting.com> | 2020-05-06 19:01:37 (GMT) |
commit | 783dff487bbe940ace7349fa46d6e32b4d0a4705 (patch) | |
tree | 3a31d995290257836d26af19b9ec378d3a3ac398 /SCons/Tool/jar.py | |
parent | 37f745c6bc5a818f1a2fd423ac5e483bb2f6370f (diff) | |
download | SCons-783dff487bbe940ace7349fa46d6e32b4d0a4705.zip SCons-783dff487bbe940ace7349fa46d6e32b4d0a4705.tar.gz SCons-783dff487bbe940ace7349fa46d6e32b4d0a4705.tar.bz2 |
Reorganize the repo. Moved src/engine/SCons to ./SCons to be more in line with current python packaging practices
Diffstat (limited to 'SCons/Tool/jar.py')
-rw-r--r-- | SCons/Tool/jar.py | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/SCons/Tool/jar.py b/SCons/Tool/jar.py new file mode 100644 index 0000000..502aa60 --- /dev/null +++ b/SCons/Tool/jar.py @@ -0,0 +1,241 @@ +"""SCons.Tool.jar + +Tool-specific initialization for jar. + +There normally shouldn't be any need to import this module directly. +It will usually be imported through the generic SCons.Tool.Tool() +selection method. + +""" + +# +# __COPYRIGHT__ +# +# 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. +# + +__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__" +import os + +import SCons.Subst +import SCons.Util +from SCons.Node.FS import _my_normcase +from SCons.Tool.JavaCommon import get_java_install_dirs + + +def jarSources(target, source, env, for_signature): + """Only include sources that are not a manifest file.""" + try: + env['JARCHDIR'] + except KeyError: + jarchdir_set = False + else: + jarchdir_set = True + jarchdir = env.subst('$JARCHDIR', target=target, source=source) + if jarchdir: + jarchdir = env.fs.Dir(jarchdir) + result = [] + for src in source: + contents = src.get_text_contents() + if not contents.startswith("Manifest-Version"): + if jarchdir_set: + _chdir = jarchdir + else: + try: + _chdir = src.attributes.java_classdir + except AttributeError: + _chdir = None + if _chdir: + # If we are changing the dir with -C, then sources should + # be relative to that directory. + src = SCons.Subst.Literal(src.get_path(_chdir)) + result.append('-C') + result.append(_chdir) + result.append(src) + return result + +def jarManifest(target, source, env, for_signature): + """Look in sources for a manifest file, if any.""" + for src in source: + contents = src.get_text_contents() + if contents.startswith("Manifest-Version"): + return src + return '' + +def jarFlags(target, source, env, for_signature): + """If we have a manifest, make sure that the 'm' + flag is specified.""" + jarflags = env.subst('$JARFLAGS', target=target, source=source) + for src in source: + contents = src.get_text_contents() + if contents.startswith("Manifest-Version"): + if 'm' not in jarflags: + return jarflags + 'm' + break + return jarflags + +def Jar(env, target = None, source = [], *args, **kw): + """ + A pseudo-Builder wrapper around the separate Jar sources{File,Dir} + Builders. + """ + + # jar target should not be a list so assume they passed + # no target and want implicit target to be made and the arg + # was actaully the list of sources + if SCons.Util.is_List(target) and source == []: + SCons.Warnings.Warning("Making implicit target jar file, " + + "and treating the list as sources") + source = target + target = None + + # mutiple targets pass so build each target the same from the + # same source + #TODO Maybe this should only be done once, and the result copied + # for each target since it should result in the same? + if SCons.Util.is_List(target) and SCons.Util.is_List(source): + jars = [] + for single_target in target: + jars += env.Jar( target = single_target, source = source, *args, **kw) + return jars + + # they passed no target so make a target implicitly + if target is None: + try: + # make target from the first source file + target = os.path.splitext(str(source[0]))[0] + env.subst('$JARSUFFIX') + except: + # something strange is happening but attempt anyways + SCons.Warnings.Warning("Could not make implicit target from sources, using directory") + target = os.path.basename(str(env.Dir('.'))) + env.subst('$JARSUFFIX') + + # make lists out of our target and sources + if not SCons.Util.is_List(target): + target = [target] + if not SCons.Util.is_List(source): + source = [source] + + # setup for checking through all the sources and handle accordingly + java_class_suffix = env.subst('$JAVACLASSSUFFIX') + java_suffix = env.subst('$JAVASUFFIX') + target_nodes = [] + + # function for determining what to do with a file and not a directory + # if its already a class file then it can be used as a + # source for jar, otherwise turn it into a class file then + # return the source + def file_to_class(s): + if _my_normcase(str(s)).endswith(java_suffix): + return env.JavaClassFile(source = s, *args, **kw) + else: + return [env.fs.File(s)] + + # function for calling the JavaClassDir builder if a directory is + # passed as a source to Jar builder. The JavaClassDir builder will + # return an empty list if there were not target classes built from + # the directory, in this case assume the user wanted the directory + # copied into the jar as is (it contains other files such as + # resources or class files compiled from proir commands) + # TODO: investigate the expexcted behavior for directories that + # have mixed content, such as Java files along side other files + # files. + def dir_to_class(s): + dir_targets = env.JavaClassDir(source = s, *args, **kw) + if dir_targets == []: + # no classes files could be built from the source dir + # so pass the dir as is. + return [env.fs.Dir(s)] + else: + return dir_targets + + # loop through the sources and handle each accordingly + # the goal here is to get all the source files into a class + # file or a directory that contains class files + for s in SCons.Util.flatten(source): + s = env.subst(s) + if isinstance(s, SCons.Node.FS.Base): + if isinstance(s, SCons.Node.FS.File): + # found a file so make sure its a class file + target_nodes.extend(file_to_class(s)) + else: + # found a dir so get the class files out of it + target_nodes.extend(dir_to_class(s)) + else: + try: + # source is string try to convert it to file + target_nodes.extend(file_to_class(env.fs.File(s))) + continue + except: + pass + + try: + # source is string try to covnert it to dir + target_nodes.extend(dir_to_class(env.fs.Dir(s))) + continue + except: + pass + + SCons.Warnings.Warning("File: " + str(s) + " could not be identified as File or Directory, skipping.") + + # at this point all our sources have been converted to classes or directories of class + # so pass it to the Jar builder + return env.JarFile(target = target, source = target_nodes, *args, **kw) + +def generate(env): + """Add Builders and construction variables for jar to an Environment.""" + SCons.Tool.CreateJarBuilder(env) + + SCons.Tool.CreateJavaFileBuilder(env) + SCons.Tool.CreateJavaClassFileBuilder(env) + SCons.Tool.CreateJavaClassDirBuilder(env) + + env.AddMethod(Jar) + + if env['PLATFORM'] == 'win32': + # Ensure that we have a proper path for jar + paths = get_java_install_dirs('win32') + jar = SCons.Tool.find_program_path(env, 'jar', default_paths=paths) + if jar: + jar_bin_dir = os.path.dirname(jar) + env.AppendENVPath('PATH', jar_bin_dir) + + env['JAR'] = 'jar' + env['JARFLAGS'] = SCons.Util.CLVar('cf') + env['_JARFLAGS'] = jarFlags + env['_JARMANIFEST'] = jarManifest + env['_JARSOURCES'] = jarSources + env['_JARCOM'] = '$JAR $_JARFLAGS $TARGET $_JARMANIFEST $_JARSOURCES' + env['JARCOM'] = "${TEMPFILE('$_JARCOM','$JARCOMSTR')}" + env['JARSUFFIX'] = '.jar' + +def exists(env): + # As reported by Jan Nijtmans in issue #2730, the simple + # return env.Detect('jar') + # doesn't always work during initialization. For now, we + # stop trying to detect an executable (analogous to the + # javac Builder). + # TODO: Come up with a proper detect() routine...and enable it. + return 1 + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |