MoinLight

Annotated moinformat/serialisers/moin/moin.py

345:3a826101949a
332:98caaf6eb2bd
331:35ae3eea290f
16 months ago Paul Boddie file changeset files shortlog Fixed subscript serialiser method signature. Renamed various methods. generic-visitors
paul@38 1 
#!/usr/bin/env python
paul@38 2 
 
 paul@38      3 
"""
 
 paul@38      4 
Moin wiki text serialiser.
 
 paul@38      5 
 
 paul@331      6 
Copyright (C) 2017, 2018, 2021, 2022, 2023 Paul Boddie <paul@boddie.org.uk>
 
 paul@38      7 
 
 paul@38      8 
This program is free software; you can redistribute it and/or modify it under
 
 paul@38      9 
the terms of the GNU General Public License as published by the Free Software
 
 paul@38     10 
Foundation; either version 3 of the License, or (at your option) any later
 
 paul@38     11 
version.
 
 paul@38     12 
 
 paul@38     13 
This program is distributed in the hope that it will be useful, but WITHOUT
 
 paul@38     14 
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 
 paul@38     15 
FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 
 paul@38     16 
details.
 
 paul@38     17 
 
 paul@38     18 
You should have received a copy of the GNU General Public License along with
 
 paul@38     19 
this program.  If not, see <http://www.gnu.org/licenses/>.
 
 paul@38     20 
"""
 
 paul@38     21 
 
 paul@38     22 
from moinformat.serialisers.common import escape_attr, escape_text, Serialiser
 
 paul@38     23 
 
 paul@38     24 
class MoinSerialiser(Serialiser):
 
 paul@38     25 
 
 paul@38     26 
    "Serialisation of the page."
 
 paul@38     27 
 
 paul@301     28 
    input_formats = ["moin", "wiki"]
 
 paul@301     29 
    formats = ["moin", "wiki"]
 
 paul@85     30 
 
 paul@331     31 
    # Node handler methods.
 
 paul@331     32 
 
 paul@331     33 
    def region(self, region):
 
 paul@38     34 
        out = self.out
 
 paul@52     35 
 
 paul@331     36 
        if region.level:
 
 paul@331     37 
            out(" " * region.indent + "{" * region.level)
 
 paul@52     38 
 
 paul@331     39 
            # Produce a header for regions within a top-level region.
 
 paul@313     40 
 
 paul@331     41 
            if region.type and region.type != "inline":
 
 paul@331     42 
 
 paul@331     43 
                # Obtain individual arguments, excluding the region type.
 
 paul@38     44 
 
 paul@331     45 
                args = region.args.split(" ")[1:]
 
 paul@331     46 
                args_str = args and (" %s" % " ".join(args)) or ""
 
 paul@313     47 
 
 paul@331     48 
                out("#!%s%s\n" % (region.type, args_str))
 
 paul@331     49 
 
 paul@331     50 
        # Serialise the region content.
 
 paul@313     51 
 
 paul@332     52 
        self.visit_region(region)
 
 paul@38     53 
 
 paul@331     54 
        if region.level:
 
 paul@331     55 
            out("%s%s" % ("}" * region.level, region.extra or ""))
 
 paul@38     56 
 
 paul@331     57 
    # Block node methods.
 
 paul@38     58 
 
 paul@331     59 
    def block(self, block):
 
 paul@331     60 
        self.container(block)
 
 paul@38     61 
 
 paul@331     62 
    def defitem(self, defitem):
 
 paul@331     63 
        self.out((defitem.extra and defitem.extra + "::" or "") + defitem.pad)
 
 paul@331     64 
        self.container(defitem)
 
 paul@38     65 
 
 paul@331     66 
    def defterm(self, defterm):
 
 paul@331     67 
        self.out(defterm.pad)
 
 paul@331     68 
        self.container(defterm)
 
 paul@331     69 
        self.out("::" + defterm.extra)
 
 paul@38     70 
 
 paul@331     71 
    def fontstyle(self, fontstyle):
 
 paul@331     72 
        if fontstyle.emphasis:
 
 paul@331     73 
            self.out("''")
 
 paul@331     74 
        elif fontstyle.strong:
 
 paul@331     75 
            self.out("'''")
 
 paul@331     76 
        self.container(fontstyle)
 
 paul@331     77 
        if fontstyle.emphasis:
 
 paul@331     78 
            self.out("''")
 
 paul@331     79 
        elif fontstyle.strong:
 
 paul@331     80 
            self.out("'''")
 
 paul@38     81 
 
 paul@331     82 
    def heading(self, heading):
 
 paul@331     83 
        self.out(heading.start_extra + "=" * heading.level + heading.start_pad)
 
 paul@331     84 
        self.container(heading)
 
 paul@331     85 
        self.out(heading.end_pad + "=" * heading.level + heading.end_extra)
 
 paul@38     86 
 
 paul@331     87 
    def larger(self, larger):
 
 paul@38     88 
        self.out("~+")
 
 paul@331     89 
        self.container(larger)
 
 paul@38     90 
        self.out("+~")
 
 paul@38     91 
 
 paul@331     92 
    def list(self, list):
 
 paul@331     93 
        self.container(list)
 
 paul@43     94 
 
 paul@331     95 
    def listitem(self, listitem):
 
 paul@331     96 
        self.out("%s%s%s%s" % (
 
 paul@331     97 
            listitem.indent * " ",
 
 paul@331     98 
            listitem.marker,
 
 paul@331     99 
            listitem.num and "#%s" % listitem.num or "",
 
 paul@331    100 
            listitem.space))
 
 paul@331    101 
        self.container(listitem)
 
 paul@38    102 
 
 paul@331    103 
    def macro(self, macro):
 
 paul@89    104 
 
 paul@314    105 
        # Special case of a deliberately unexpanded macro.
 
 paul@314    106 
 
 paul@331    107 
        if macro.nodes is None:
 
 paul@314    108 
            return
 
 paul@314    109 
 
 paul@89    110 
        # Fallback case for when macros are not replaced.
 
 paul@89    111 
 
 paul@331    112 
        if not macro.nodes:
 
 paul@331    113 
            self.out("<<%s%s>>" % (macro.name, macro.args and "(%s)" % ",".join(macro.args) or ""))
 
 paul@87    114 
 
 paul@331    115 
    def monospace(self, monospace):
 
 paul@331    116 
        self.out("`")
 
 paul@331    117 
        self.container(monospace)
 
 paul@38    118 
        self.out("`")
 
 paul@38    119 
 
 paul@331    120 
    def smaller(self, smaller):
 
 paul@38    121 
        self.out("~-")
 
 paul@331    122 
        self.container(smaller)
 
 paul@38    123 
        self.out("-~")
 
 paul@38    124 
 
 paul@331    125 
    def strikethrough(self, strikethrough):
 
 paul@48    126 
        self.out("--(")
 
 paul@331    127 
        self.container(strikethrough)
 
 paul@48    128 
        self.out(")--")
 
 paul@48    129 
 
 paul@331    130 
    def subscript(self, subscript):
 
 paul@331    131 
        self.out(",,")
 
 paul@331    132 
        self.container(subscript)
 
 paul@38    133 
        self.out(",,")
 
 paul@38    134 
 
 paul@331    135 
    def superscript(self, superscript):
 
 paul@38    136 
        self.out("^")
 
 paul@331    137 
        self.container(superscript)
 
 paul@38    138 
        self.out("^")
 
 paul@38    139 
 
 paul@331    140 
    def table(self, table):
 
 paul@331    141 
        self.container(table)
 
 paul@38    142 
 
 paul@331    143 
    def table_cell(self, table_cell):
 
 paul@331    144 
        self.out("||")
 
 paul@331    145 
        self.container(table_cell)
 
 paul@38    146 
 
 paul@331    147 
    def table_row(self, table_row):
 
 paul@331    148 
        self.container(table_row)
 
 paul@38    149 
        self.out("||")
 
 paul@331    150 
        self.out(table_row.trailing)
 
 paul@38    151 
 
 paul@331    152 
    def underline(self, underline):
 
 paul@331    153 
        self.out("__")
 
 paul@331    154 
        self.container(underline)
 
 paul@38    155 
        self.out("__")
 
 paul@38    156 
 
 paul@331    157 
    # Inline node methods.
 
 paul@38    158 
 
 paul@331    159 
    def anchor(self, anchor):
 
 paul@331    160 
        self.out("((%s))" % anchor.target)
 
 paul@116    161 
 
 paul@331    162 
    def break_(self, break_):
 
 paul@38    163 
        self.out("\n")
 
 paul@38    164 
 
 paul@331    165 
    def comment(self, comment):
 
 paul@331    166 
        self.out("##%s%s" % (comment.comment, comment.extra))
 
 paul@151    167 
 
 paul@331    168 
    def directive(self, directive):
 
 paul@331    169 
        self.out("#%s%s" % (directive.directive, directive.extra))
 
 paul@151    170 
 
 paul@331    171 
    def linebreak(self, linebreak):
 
 paul@106    172 
        self.out(r"\\")
 
 paul@106    173 
 
 paul@331    174 
    def link(self, link):
 
 paul@331    175 
        self.out("[[%s" % link.target)
 
 paul@331    176 
        for node in link.nodes:
 
 paul@167    177 
            self.out("|")
 
 paul@331    178 
            node.visit(self)
 
 paul@167    179 
        self.out("]]")
 
 paul@167    180 
 
 paul@331    181 
    def link_label(self, link_label):
 
 paul@331    182 
        self.container(link_label)
 
 paul@167    183 
 
 paul@331    184 
    def link_parameter(self, link_parameter):
 
 paul@331    185 
        s = link_parameter.text_content()
 
 paul@331    186 
        key_value = s.split("=", 1)
 
 paul@331    187 
 
 paul@167    188 
        if len(key_value) == 1:
 
 paul@167    189 
            self.out(key_value[0])
 
 paul@167    190 
        else:
 
 paul@167    191 
            self.out("=".join(key_value))
 
 paul@167    192 
 
 paul@331    193 
    def nbsp(self, nbsp):
 
 paul@316    194 
        self.out(r"\_")
 
 paul@316    195 
 
 paul@331    196 
    def rule(self, rule):
 
 paul@331    197 
        self.out("-" * (rule.height + 4))
 
 paul@38    198 
 
 paul@331    199 
    def table_attrs(self, table_attrs):
 
 paul@331    200 
        self.out("<")
 
 paul@331    201 
        self.container(table_attrs)
 
 paul@331    202 
        if not table_attrs.incomplete:
 
 paul@331    203 
            self.out(">")
 
 paul@102    204 
 
 paul@331    205 
    def table_attr(self, table_attr):
 
 paul@331    206 
        if table_attr.concise:
 
 paul@331    207 
            if table_attr.name == "bgcolor":
 
 paul@331    208 
                self.out(table_attr.value)
 
 paul@331    209 
            elif table_attr.name == "colspan":
 
 paul@331    210 
                self.out("-%s" % table_attr.value)
 
 paul@331    211 
            elif table_attr.name == "align":
 
 paul@331    212 
                self.out(table_attr.value == "left" and "(" or table_attr.value == "right" and ")" or ":")
 
 paul@331    213 
            elif table_attr.name == "rowspan":
 
 paul@331    214 
                self.out("|%s" % table_attr.value)
 
 paul@331    215 
            elif table_attr.name == "valign":
 
 paul@331    216 
                self.out(table_attr.value == "top" and "^" or "v")
 
 paul@331    217 
            elif table_attr.name == "width":
 
 paul@331    218 
                self.out(table_attr.value)
 
 paul@38    219 
        else:
 
 paul@331    220 
            self.out("%s%s" % (
 
 paul@331    221 
                escape_text(table_attr.name),
 
 paul@331    222 
                table_attr.value is not None and "=%s%s%s" % (
 
 paul@331    223 
                    table_attr.quote or '"',
 
 paul@331    224 
                    escape_attr(table_attr.value),
 
 paul@331    225 
                    table_attr.quote or '"')
 
 paul@331    226 
                    or ""))
 
 paul@38    227 
 
 paul@331    228 
    def text(self, text):
 
 paul@331    229 
        self.out(text.s)
 
 paul@331    230 
 
 paul@331    231 
    def transclusion(self, transclusion):
 
 paul@331    232 
        self.out("{{%s" % transclusion.target)
 
 paul@331    233 
        for node in transclusion.nodes:
 
 paul@167    234 
            self.out("|")
 
 paul@331    235 
            node.visit(self)
 
 paul@167    236 
        self.out("}}")
 
 paul@167    237 
 
 paul@331    238 
    def verbatim(self, verbatim):
 
 paul@169    239 
        self.out("<<<")
 
 paul@331    240 
        self.out(verbatim.text)
 
 paul@169    241 
        self.out(">>>")
 
 paul@169    242 
 
 paul@39    243 
serialiser = MoinSerialiser
 
 paul@39    244 
 
 paul@38    245 
# vim: tabstop=4 expandtab shiftwidth=4