232 lines
9.2 KiB
Python
232 lines
9.2 KiB
Python
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"""SCons.Tool.jar
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Tool-specific initialization for jar.
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There normally shouldn't be any need to import this module directly.
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It will usually be imported through the generic SCons.Tool.Tool()
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selection method.
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"""
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#
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# Copyright (c) 2001 - 2017 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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__revision__ = "src/engine/SCons/Tool/jar.py 74b2c53bc42290e911b334a6b44f187da698a668 2017/11/14 13:16:53 bdbaddog"
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import SCons.Subst
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import SCons.Util
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from SCons.Node.FS import _my_normcase
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import os
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def jarSources(target, source, env, for_signature):
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"""Only include sources that are not a manifest file."""
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try:
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env['JARCHDIR']
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except KeyError:
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jarchdir_set = False
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else:
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jarchdir_set = True
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jarchdir = env.subst('$JARCHDIR', target=target, source=source)
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if jarchdir:
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jarchdir = env.fs.Dir(jarchdir)
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result = []
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for src in source:
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contents = src.get_text_contents()
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if contents[:16] != "Manifest-Version":
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if jarchdir_set:
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_chdir = jarchdir
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else:
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try:
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_chdir = src.attributes.java_classdir
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except AttributeError:
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_chdir = None
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if _chdir:
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# If we are changing the dir with -C, then sources should
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# be relative to that directory.
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src = SCons.Subst.Literal(src.get_path(_chdir))
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result.append('-C')
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result.append(_chdir)
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result.append(src)
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return result
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def jarManifest(target, source, env, for_signature):
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"""Look in sources for a manifest file, if any."""
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for src in source:
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contents = src.get_text_contents()
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if contents[:16] == "Manifest-Version":
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return src
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return ''
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def jarFlags(target, source, env, for_signature):
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"""If we have a manifest, make sure that the 'm'
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flag is specified."""
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jarflags = env.subst('$JARFLAGS', target=target, source=source)
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for src in source:
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contents = src.get_text_contents()
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if contents[:16] == "Manifest-Version":
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if not 'm' in jarflags:
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return jarflags + 'm'
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break
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return jarflags
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def Jar(env, target = None, source = [], *args, **kw):
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"""
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A pseudo-Builder wrapper around the separate Jar sources{File,Dir}
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Builders.
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"""
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# jar target should not be a list so assume they passed
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# no target and want implicit target to be made and the arg
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# was actaully the list of sources
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if SCons.Util.is_List(target) and source == []:
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SCons.Warnings.Warning("Making implicit target jar file, " +
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"and treating the list as sources")
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source = target
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target = None
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# mutiple targets pass so build each target the same from the
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# same source
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#TODO Maybe this should only be done once, and the result copied
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# for each target since it should result in the same?
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if SCons.Util.is_List(target) and SCons.Util.is_List(source):
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jars = []
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for single_target in target:
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jars += env.Jar( target = single_target, source = source, *args, **kw)
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return jars
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# they passed no target so make a target implicitly
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if target == None:
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try:
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# make target from the first source file
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target = os.path.splitext(str(source[0]))[0] + env.subst('$JARSUFFIX')
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except:
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# something strange is happening but attempt anyways
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SCons.Warnings.Warning("Could not make implicit target from sources, using directory")
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target = os.path.basename(str(env.Dir('.'))) + env.subst('$JARSUFFIX')
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# make lists out of our target and sources
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if not SCons.Util.is_List(target):
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target = [target]
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if not SCons.Util.is_List(source):
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source = [source]
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# setup for checking through all the sources and handle accordingly
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java_class_suffix = env.subst('$JAVACLASSSUFFIX')
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java_suffix = env.subst('$JAVASUFFIX')
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target_classes = []
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# function for determining what to do with a file and not a directory
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# if its already a class file then it can be used as a
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# source for jar, otherwise turn it into a class file then
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# return the source
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def file_to_class(s):
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if(str(_my_normcase(s)).endswith(java_suffix)):
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return env.JavaClassFile(source = s, *args, **kw)
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else:
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return [env.fs.File(s)]
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# In the case that we are passed just string to a node which is directory
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# but does not exist, we need to check all the current targets to see if
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# that directory is going to exist so we can add it as a source to Jar builder
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def get_all_targets(env, node='.'):
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def get_all_targets_iter(env, node):
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if node.has_builder():
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yield node
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for kid in node.all_children():
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for kid in get_all_targets(env, kid):
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yield kid
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node = env.arg2nodes(node, env.fs.Entry)[0]
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return list(get_all_targets_iter(env, node))
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# loop through the sources and handle each accordingly
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# the goal here is to get all the source files into a class
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# file or a directory that contains class files
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for s in source:
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s = env.subst(s)
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if isinstance(s, SCons.Node.FS.Base):
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if isinstance(s, SCons.Node.FS.File):
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# found a file so make sure its a class file
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target_classes.extend(file_to_class(s))
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else:
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# found a dir so make sure its a dir of class files
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target_classes.extend(env.JavaClassDir(source = env.fs.Dir(s), *args, **kw))
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else:
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if os.path.isfile(s):
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# found a file that exists on the FS, make sure its a class file
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target_classes.extend(file_to_class(s))
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elif os.path.isdir(s):
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# found a dir on the FS, add it as a dir of class files
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target_classes.append(env.fs.Dir(s))
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elif s[-len(java_suffix):] == java_suffix or s[-len(java_class_suffix):] == java_class_suffix:
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# found a file that may not exists and is only a string
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# so add it after converting it to a class file
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target_classes.extend(file_to_class(s))
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else:
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# found a swig file so add it after converting it to class files
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if(os.path.splitext(str(s))[1] == ".i"):
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target_classes.extend(env.JavaClassFile(source = s, *args, **kw))
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else:
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# found a directory that does not yet exist, but can exist as a node
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# check the target nodes to make sure it will be built, then add
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# it as a source
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for node in get_all_targets(env):
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if(s in str(node) and os.path.splitext(str(node))[1] == ""):
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target_classes.append(node)
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# at this point all our sources have been converted to classes or directories of class
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# so pass it to the Jar builder
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return env.JarFile(target = target, source = target_classes, *args, **kw)
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def generate(env):
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"""Add Builders and construction variables for jar to an Environment."""
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SCons.Tool.CreateJarBuilder(env)
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SCons.Tool.CreateJavaFileBuilder(env)
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SCons.Tool.CreateJavaClassFileBuilder(env)
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SCons.Tool.CreateJavaClassDirBuilder(env)
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env.AddMethod(Jar)
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env['JAR'] = 'jar'
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env['JARFLAGS'] = SCons.Util.CLVar('cf')
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env['_JARFLAGS'] = jarFlags
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env['_JARMANIFEST'] = jarManifest
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env['_JARSOURCES'] = jarSources
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env['_JARCOM'] = '$JAR $_JARFLAGS $TARGET $_JARMANIFEST $_JARSOURCES'
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env['JARCOM'] = "${TEMPFILE('$_JARCOM','$JARCOMSTR')}"
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env['JARSUFFIX'] = '.jar'
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def exists(env):
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# As reported by Jan Nijtmans in issue #2730, the simple
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# return env.Detect('jar')
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# doesn't always work during initialization. For now, we
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# stop trying to detect an executable (analogous to the
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# javac Builder).
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# TODO: Come up with a proper detect() routine...and enable it.
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return 1
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# Local Variables:
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# tab-width:4
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# indent-tabs-mode:nil
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# End:
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# vim: set expandtab tabstop=4 shiftwidth=4:
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