Moving mixxx/* to the root. A new era begins!

1 files changed, 80 insertions, 0 deletions

diff --git a/build/protoc.py b/build/protoc.py
new file mode 100644
index 0000000000..09746d3e2c
--- /dev/null
+++ b/build/protoc.py
@@ -0,0 +1,80 @@
+""" 
+protoc.py: Protoc Builder for SCons
+
+This Builder invokes protoc to generate C++ and Python 
+from a .proto file.  
+ 
+NOTE: Java is not currently supported."""
+
+__author__ = "Scott Stafford"
+ 
+import SCons.Action
+import SCons.Builder
+import SCons.Defaults
+import SCons.Node.FS
+import SCons.Util
+
+from SCons.Script import File, Dir
+ 
+import os.path
+protocs = 'protoc'
+
+ProtocAction = SCons.Action.Action('$PROTOCCOM', '$PROTOCCOMSTR')
+def ProtocEmitter(target, source, env):
+    dirOfCallingSConscript = Dir('.').srcnode()
+    env.Prepend(PROTOCPROTOPATH = dirOfCallingSConscript.path)
+
+    source_with_corrected_path = []
+    for src in source:
+        commonprefix = os.path.commonprefix([dirOfCallingSConscript.path, src.srcnode().path])
+        if len(commonprefix)>0:
+            source_with_corrected_path.append( src.srcnode().path[len(commonprefix + os.sep):] )
+        else:
+            source_with_corrected_path.append( src.srcnode().path )
+
+    source = source_with_corrected_path
+
+    for src in source:
+        modulename = os.path.splitext(src)[0]
+
+        if env['PROTOCOUTDIR']:
+            #base = os.path.join(env['PROTOCOUTDIR'] , modulename)
+            base = os.path.join(modulename)
+            target.extend( [ base + '.pb.cc', base + '.pb.h' ] )
+
+        if env['PROTOCPYTHONOUTDIR']:
+            base = os.path.join(env['PROTOCPYTHONOUTDIR'] , modulename)
+            target.append( base + '_pb2.py' )
+
+    try:
+        target.append(env['PROTOCFDSOUT'])
+    except KeyError:
+        pass
+
+    #~ print "PROTOC SOURCE:", [str(s) for s in source]
+    #~ print "PROTOC TARGET:", [str(s) for s in target]
+
+    return target, source
+
+ProtocBuilder = SCons.Builder.Builder(action = ProtocAction,
+                                   emitter = ProtocEmitter,
+                                    srcsuffix = '$PROTOCSRCSUFFIX')
+
+def generate(env):
+    """Add Builders and construction variables for protoc to an Environment."""
+    try:
+         bld = env['BUILDERS']['Protoc']
+    except KeyError:
+        bld = ProtocBuilder
+        env['BUILDERS']['Protoc'] = bld
+ 
+    env['PROTOC']        = env.Detect(protocs) or 'protoc'
+    env['PROTOCFLAGS']   = SCons.Util.CLVar('')
+    env['PROTOCPROTOPATH'] = SCons.Util.CLVar('')
+    env['PROTOCCOM']     = '$PROTOC ${["-I%s"%x for x in PROTOCPROTOPATH]} $PROTOCFLAGS --cpp_out=$PROTOCCPPOUTFLAG$PROTOCOUTDIR ${PROTOCPYTHONOUTDIR and ("--python_out="+PROTOCPYTHONOUTDIR) or ""} ${PROTOCFDSOUT and ("-o"+PROTOCFDSOUT) or ""} ${SOURCES}'
+    env['PROTOCOUTDIR'] = '${SOURCE.dir}'
+    env['PROTOCPYTHONOUTDIR'] = "python"
+    env['PROTOCSRCSUFFIX']  = '.proto'
+
+def exists(env):
+    return env.Detect(protocs)