def compile(text, labels=[], nostrip=False, name=None):
tree = Parser.parse(text, nostrip)
wrapped = 'var buf="";' + walk(tree, labels, nostrip) + 'return buf;'
if name is None:
name = "null"
return "new core.template.Template(function(data, partials, labels){%s}, null, %s)" % (wrapped, name)
def compile(text, labels=[], nostrip=False, name=None):
tree = Parser.parse(text, nostrip)
wrapped = 'var buf="";' + walk(tree, labels, nostrip) + 'return buf;'
if name is None:
name = "null"
return "new core.template.Template(function(data, partials, labels){%s}, null, %s)" % (
wrapped, name)
def walk(node, labels, nostrip, indent):
global innerCounter
code = ""
prefix = indent * indentString
for current in node:
if isinstance(current, str):
code += prefix + 'buf += "' + escapeMatcher(current) + '"\n'
elif current["tag"] == "\n":
code += prefix + 'buf += "\\n"\n'
else:
tag = current["tag"]
name = current["name"]
escaped = escapeMatcher(name)
if tag in accessTags:
if name == ".":
accessor = 2
elif "." in name:
accessor = 1
else:
accessor = 0
accessorCode = '"' + escaped + '","' + str(accessor) + '",data'
if tag in innerTags:
innerCode = walk(current["nodes"], labels, nostrip, indent + 1)
if tag == "?":
code += prefix + 'if self._has(' + accessorCode + '):\n' + innerCode + '\n'
elif tag == "^":
code += prefix + 'if not self._has(' + accessorCode + '):\n' + innerCode + '\n'
elif tag == "#":
innerCounter += 1
# Let 'buf' be nonlocal for sharing parent scope's variable
nonlocalCode = ((indent + 1) * indentString) + "nonlocal buf\n"
code += prefix + ('def inner%s(self, data, partials, labels):\n' % innerCounter) + nonlocalCode + innerCode + '\n'
code += prefix + 'self._section(' + accessorCode + ', partials, labels, inner%s)\n' % innerCounter
elif tag == "=":
code += prefix + 'buf += self._data(' + accessorCode + ')\n'
elif tag == "$":
code += prefix + 'buf += self._variable(' + accessorCode + ')\n'
elif tag == ">":
code += prefix + 'buf += self._partial("' + escaped + '",data, partials, labels)\n'
elif tag == "_":
if labels and escaped in labels:
code += walk(Parser.parse(labels[escaped], True), labels, indent + 1)
else:
code += prefix + 'buf += self._label("' + escaped + '", data, partials, labels)\n'
return code
def compile(text, labels=None, nostrip=False, name=None):
# Parse text into a tree
tree = Parser.parse(text, nostrip)
# Generate code for render function
wrapped = indentString + 'buf = ""\n' + walk(tree, labels, nostrip, 1) + "\n" + indentString + 'return buf'
code = "def render(self, data, partials=None, labels=None):\n%s" % wrapped
# Execute in an sandboxes environment
export = {}
exec(code, None, export)
# Create new template instance based on "compiled" exported render method
return Template.Template(export["render"], text, name)
def walk(node, labels, nostrip):
code = ""
for current in node:
if isinstance(current, str):
code += 'buf+="' + escapeMatcher(current) + '";\n'
elif current["tag"] == "\n":
code += 'buf+="\\n";\n'
else:
tag = current["tag"]
name = current["name"]
escaped = escapeMatcher(name)
if tag in accessTags:
if name == ".":
accessor = 2
elif "." in name:
accessor = 1
else:
accessor = 0
accessorCode = '"' + escaped + '",' + str(accessor) + ',data'
if tag in innerTags:
innerCode = walk(current["nodes"], labels, nostrip)
if tag == "?":
code += 'if(this._has(' + accessorCode + ')){\n' + innerCode + '}\n'
elif tag == "^":
code += 'if(!this._has(' + accessorCode + ')){\n' + innerCode + '}\n'
elif tag == "#":
code += 'this._section(' + accessorCode + ',partials,labels,function(data,partials,labels){\n' + innerCode + '\n});\n'
elif tag == "=":
code += 'buf+=this._data(' + accessorCode + ');\n'
elif tag == "$":
code += 'buf+=this._variable(' + accessorCode + ');\n'
elif tag == ">":
code += 'buf+=this._partial("' + escaped + '",data,partials,labels);\n'
elif tag == "_":
if labels and escaped in labels:
code += walk(Parser.parse(labels[escaped], True), labels)
else:
code += 'buf+=this._label("' + escaped + '",data,partials,labels);\n'
return code
def walk(node, labels, nostrip):
code = ""
for current in node:
if isinstance(current, str):
code += 'buf+="' + escapeMatcher(current) + '";\n'
elif current["tag"] == "\n":
code += 'buf+="\\n";\n'
else:
tag = current["tag"]
name = current["name"]
escaped = escapeMatcher(name)
if tag in accessTags:
if name == ".":
accessor = 2
elif "." in name:
accessor = 1
else:
accessor = 0
accessorCode = '"' + escaped + '",' + str(accessor) + ',data'
if tag in innerTags:
innerCode = walk(current["nodes"], labels, nostrip)
if tag == "?":
code += 'if(this._has(' + accessorCode + ')){\n' + innerCode + '}\n'
elif tag == "^":
code += 'if(!this._has(' + accessorCode + ')){\n' + innerCode + '}\n'
elif tag == "#":
code += 'this._section(' + accessorCode + ',partials,labels,function(data,partials,labels){\n' + innerCode + '\n});\n'
elif tag == "=":
code += 'buf+=this._data(' + accessorCode + ');\n'
elif tag == "$":
code += 'buf+=this._variable(' + accessorCode + ');\n'
elif tag == ">":
code += 'buf+=this._partial("' + escaped + '",data,partials,labels);\n'
elif tag == "_":
if labels and escaped in labels:
code += walk(Parser.parse(labels[escaped], True), labels)
else:
code += 'buf+=this._label("' + escaped + '",data,partials,labels);\n'
return code
