Code drop from //branches/cupcake/...@124589

1 files changed, 141 insertions, 0 deletions

diff --git a/android/tools/gen-hw-config.py b/android/tools/gen-hw-config.py
new file mode 100755
index 0000000..ae3a8de
--- /dev/null
+++ b/android/tools/gen-hw-config.py
@@ -0,0 +1,141 @@
+#!/usr/bin/env python
+#
+# This software is licensed under the terms of the GNU General Public
+# License version 2, as published by the Free Software Foundation, and
+# may be copied, distributed, and modified under those terms.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# this script is used to generate 'android/vm/hw-config.h' by
+# parsing 'android/vm/hardware-properties.ini'
+#
+#
+import  sys, os, string, re
+
+# location of source file, relative to current program directory
+relativeSourcePath = "../vm/hardware-properties.ini"
+
+# location of target file, relative to current program directory
+relativeTargetPath = "../vm/hw-config-defs.h"
+
+def quoteStringForC(str):
+    """quote a string so it can be used in C"""
+    return '\\"'.join('"'+p+'"' for p in str.split('"'))
+
+# a dictionary that maps item types as they appear in the .ini
+# file into macro names in the generated C header
+#
+typesToMacros = { 
+    'integer': 'HWCFG_INT',
+    'string': 'HWCFG_STRING',
+    'boolean': 'HWCFG_BOOL',
+    'diskSize': 'HWCFG_DISKSIZE',
+    'double': 'HWCFG_DOUBLE'
+    }
+
+# the list of macro names
+macroNames = typesToMacros.values()
+
+# target program header
+targetHeader = """\
+/* this file is automatically generated from 'hardware-properties.ini'
+ * DO NOT EDIT IT. To re-generate it, use android/tools/gen-hw-config.py'
+ */"""
+
+# locate source and target
+programDir = os.path.dirname(sys.argv[0])
+sourceFile = os.path.normpath(os.path.join(programDir,relativeSourcePath))
+targetFile = os.path.normpath(os.path.join(programDir,relativeTargetPath))
+
+# parse the source file and record items
+# I would love to use Python's ConfigParser, but it doesn't
+# support files without sections, or multiply defined items
+#
+items    = []
+lastItem = None
+
+class Item:
+    def __init__(self,name):
+        self.name     = name
+        self.type     = type
+        self.default  = None
+        self.abstract = ""
+        self.description = ""
+
+    def add(self,key,val):
+        if key == 'type':
+            self.type = val
+        elif key == 'default':
+            self.default = val
+        elif key == 'abstract':
+            self.abstract = val
+        elif key == 'description':
+            self.description = val
+
+for line in open(sourceFile):
+    line = line.strip()
+    # ignore empty lines and comments
+    if len(line) == 0 or line[0] in ";#":
+        continue
+    key, value = line.split('=')
+
+    key   = key.strip()
+    value = value.strip()
+
+    if key == 'name':
+        if lastItem: items.append(lastItem)
+        lastItem = Item(value)
+    else:
+        lastItem.add(key, value)
+
+if lastItem:
+    items.append(lastItem)
+
+
+print  targetHeader
+
+# write guards to prevent bad compiles
+for m in macroNames:
+    print """\
+#ifndef %(macro)s
+#error  %(macro)s not defined
+#endif""" % { 'macro':m }
+print ""
+
+for item in items:
+    if item.type == None:
+        sys.stderr.write("ignoring config item with no type '%s'\n" % item.name)
+        continue
+
+    if not typesToMacros.has_key(item.type):
+        sys.stderr.write("ignoring config item with unknown type '%s': '%s'\n" % \
+                (item.type, item.name))
+        continue
+
+    if item.default == None:
+        sys.stderr.write("ignoring config item with no default '%s' */" % item.name)
+        continue
+
+    # convert dots into underscores
+    varMacro   = typesToMacros[item.type]
+    varNameStr = quoteStringForC(item.name)
+    varName    = item.name.replace(".","_")
+    varDefault = item.default
+    varAbstract = quoteStringForC(item.abstract)
+    varDesc     = quoteStringForC(item.description)
+
+    if item.type in [ 'string', 'boolean', 'diskSize' ]:
+        # quote default value for strings
+        varDefault = quoteStringForC(varDefault)
+
+    print "%s(\n  %s,\n  %s,\n  %s,\n  %s,\n  %s)\n" % \
+            (varMacro,varName,varNameStr,varDefault,varAbstract,varDesc)
+
+
+for m in macroNames:
+    print "#undef %s" % m
+
+print "/* end of auto-generated file */"