latex.py 文件源码

def visit_target(self, node):
        def add_target(id):
            # indexing uses standard LaTeX index markup, so the targets
            # will be generated differently
            if id.startswith('index-'):
                return
            # do not generate \phantomsection in \section{}
            anchor = not self.in_title
            self.body.append(self.hypertarget(id, anchor=anchor))

        # postpone the labels until after the sectioning command
        parindex = node.parent.index(node)
        try:
            try:
                next = node.parent[parindex+1]
            except IndexError:
                # last node in parent, look at next after parent
                # (for section of equal level) if it exists
                if node.parent.parent is not None:
                    next = node.parent.parent[
                        node.parent.parent.index(node.parent)]
                else:
                    raise
            if isinstance(next, nodes.section):
                if node.get('refid'):
                    self.next_section_ids.add(node['refid'])
                self.next_section_ids.update(node['ids'])
                return
            elif isinstance(next, nodes.figure):
                # labels for figures go in the figure body, not before
                if node.get('refid'):
                    self.next_figure_ids.add(node['refid'])
                self.next_figure_ids.update(node['ids'])
                return
            elif isinstance(next, nodes.table):
                # same for tables, but only if they have a caption
                for n in next:
                    if isinstance(n, nodes.title):
                        if node.get('refid'):
                            self.next_table_ids.add(node['refid'])
                        self.next_table_ids.update(node['ids'])
                        return
            elif isinstance(next, nodes.container) and next.get('literal_block'):
                # same for literal_block, but only if they have a caption
                if node.get('refid'):
                    self.next_literal_ids.add(node['refid'])
                self.next_literal_ids.update(node['ids'])
                return
        except IndexError:
            pass
        if 'refuri' in node:
            return
        if node.get('refid'):
            add_target(node['refid'])
        for id in node['ids']:
            add_target(id)