66d54af3
 Hu Chunming
提交_GLIBCXX_USE_CX...
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from docutils import writers
from docutils import nodes
class LitreTranslator(nodes.GenericNodeVisitor):
def __init__(self, document, config):
nodes.GenericNodeVisitor.__init__(self,document)
self._config = config
def default_visit(self, node):
pass
# print '**visiting:', repr(node)
def default_departure(self, node):
pass
# print '**departing:', repr(node)
def visit_raw(self, node):
if node.has_key('format'):
key = node['format'].lower()
if key == 'litre':
# This is probably very evil ;-)
#if node.has_key('source'):
# node.file = node.attributes['source']
self._handle_code(node, node.astext())
raise nodes.SkipNode
def visit_comment(self, node):
code = node.astext()
if code[0] == '@':
self._handle_code(node, code[1:].strip())
def _handle_code(self, node, code):
start_line = node.line or 0
start_line -= code.count('\n') + 2 # docutils bug workaround?
try:
self._execute(compile( start_line*'\n' + code, str(node.source), 'exec'))
except:
print '\n------- begin offending Python source -------'
print code
print '------- end offending Python source -------'
raise
def _execute(self, code):
"""Override this to set up local variable context for code before
invoking it
"""
eval(code)
class Writer(writers.Writer):
translator = LitreTranslator
_config = None
def translate(self):
visitor = self.translator(self.document, self._config)
self.document.walkabout(visitor)
self.output = visitor.astext()
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