def _stringOptimizer(self, tree):
# string optimization works over a list of statements,
# so extract the <file>'s <statements> node
statementsNode = tree.getChild("statements")
stringMap = stringoptimizer.search(statementsNode)
if len(stringMap) == 0:
return tree
stringList = stringoptimizer.sort(stringMap)
stringoptimizer.replace(statementsNode, stringList)
# Build JS string fragments
stringStart = "(function(){"
stringReplacement = stringoptimizer.replacement(stringList)
stringStop = "})();"
# Compile wrapper node
wrapperNode = treeutil.compileString(
stringStart + stringReplacement + stringStop,
self.id + "||stringopt")
# Reorganize structure
funcStatements = (wrapperNode.getChild("operand").getChild(
"group").getChild("function").getChild("body").getChild(
"block").getChild("statements"))
if statementsNode.hasChildren():
for child in statementsNode.children[:]:
statementsNode.removeChild(child)
funcStatements.addChild(child)
# Add wrapper to now empty statements node
statementsNode.addChild(wrapperNode)
return tree
def _stringOptimizeHelper(self, tree, id, variants):
stringMap = stringoptimizer.search(tree)
if len(stringMap) == 0:
return
stringList = stringoptimizer.sort(stringMap)
stringoptimizer.replace(tree, stringList)
# Build JS string fragments
stringStart = "(function(){"
stringReplacement = stringoptimizer.replacement(stringList)
stringStop = "})();"
# Compile wrapper node
wrapperNode = treeutil.compileString(stringStart+stringReplacement+stringStop, id + "||stringopt")
# Reorganize structure
funcBody = wrapperNode.getChild("operand").getChild("group").getChild("function").getChild("body").getChild("block")
if tree.hasChildren():
for child in copy.copy(tree.children):
tree.removeChild(child)
funcBody.addChild(child)
# Add wrapper to tree
tree.addChild(wrapperNode)
def _optimizeStrings(tree, id):
stringMap = stringoptimizer.search(tree)
if len(stringMap) == 0:
return
stringList = stringoptimizer.sort(stringMap)
stringoptimizer.replace(tree, stringList)
# Build JS string fragments
stringStart = "(function(){"
stringReplacement = stringoptimizer.replacement(stringList)
stringStop = "})();"
# Compile wrapper node
wrapperNode = treeutil.compileString(
stringStart + stringReplacement + stringStop, id + "||stringopt")
# Reorganize structure
funcBody = wrapperNode.getChild("operand").getChild("group").getChild(
"function").getChild("body").getChild("block")
if tree.hasChildren():
for child in copy.copy(tree.children):
tree.removeChild(child)
funcBody.addChild(child)
# Add wrapper to tree
tree.addChild(wrapperNode)
def _stringOptimizer(self, tree):
# string optimization works over a list of statements,
# so extract the <file>'s <statements> node
statementsNode = tree.getChild("statements")
stringMap = stringoptimizer.search(statementsNode)
if len(stringMap) == 0:
return tree
stringList = stringoptimizer.sort(stringMap)
stringoptimizer.replace(statementsNode, stringList)
# TODO: Re-write this using treeutil.ensureClosureWrapper()
# Build JS string fragments
stringStart = "(function(){"
stringReplacement = stringoptimizer.replacement(stringList)
stringStop = "})();"
# Compile wrapper node
wrapperNode = treeutil.compileString(stringStart+stringReplacement+stringStop, self.id + "||stringopt")
# Reorganize structure
funcStatements = (wrapperNode.getChild("operand").getChild("group").getChild("function")
.getChild("body").getChild("block").getChild("statements"))
if statementsNode.hasChildren():
for child in statementsNode.children[:]:
statementsNode.removeChild(child)
funcStatements.addChild(child)
# Add wrapper to now empty statements node
statementsNode.addChild(wrapperNode)
return tree
