numfig.py 文件源码

def doctree_resolved(app, doctree, docname):
    i = 1
    figids = {}
    for figure_info in doctree.traverse(figure):
        if app.builder.name != 'latex' and app.config.number_figures:
            for cap in figure_info.traverse(caption):
                cap[0] = Text("%s %d: %s" % (app.config.figure_caption_prefix, i, cap[0]))

        for id in figure_info['ids']:
            figids[id] = i

        i += 1


    # replace numfig nodes with links
    if app.builder.name != 'latex':
        for ref_info in doctree.traverse(num_ref):
            if '#' in ref_info['reftarget']:
                label, target = ref_info['reftarget'].split('#')
                labelfmt = label + " %d"
            else:
                labelfmt = '%d'
                target = ref_info['reftarget']

            if target not in figids:
                continue

            if app.builder.name == 'html':
                target_doc = app.builder.env.figid_docname_map[target]
                link = "%s#%s" % (app.builder.get_relative_uri(docname, target_doc),
                                  target)
                html = '<a class="pageref" href="%s">Fig. %s</a>' % (link, labelfmt %(figids[target]))
                ref_info.replace_self(raw(html, html, format='html'))
            else:
                ref_info.replace_self(Text(labelfmt % (figids[target])))