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// Copyright 2018 Fredrik Portström <https://portstrom.com>
// This is free software distributed under the terms specified in
// the file LICENSE at the top-level directory of this distribution.
use parse_wiki_text::Positioned;
// XXX Check for duplicates.
pub fn parse_language<'a>(
context: &mut ::Context<'a>,
heading_node: &::Node,
nodes: &[::Node<'a>],
language_entries: &mut Vec<::LanguageEntry<'a>>,
) -> usize {
let mut node_index = 0;
let mut pos_entries = vec![];
while let Some(node) = nodes.get(node_index) {
match node {
::Node::Heading {
level,
nodes: heading_child_nodes,
..
} => {
if *level < 3 {
break;
}
if *level == 3 {
node_index += 1;
match heading_child_nodes.get(0) {
None => {
::add_warning(context, node, ::WarningMessage::Empty);
continue;
}
Some(template_node) => if let ::Node::Template {
name, parameters, ..
} = template_node
{
if ::text_equals(name, "Wortart") {
if let Some(pos) = ::pos_template::parse_pos_template(
context,
template_node,
parameters,
) {
let mut details =
parse_details(context, &heading_child_nodes[1..]);
node_index += ::pos_section::parse_pos_section(
context,
&nodes[node_index..],
&mut pos_entries,
pos,
details,
);
}
continue;
}
},
}
::add_warning(context, node, ::WarningMessage::ValueUnrecognized);
continue;
}
}
::Node::Template { name, .. } => if ::text_equals(name, "erweitern") {
node_index += 1;
::add_warning(context, node, ::WarningMessage::Supplementary);
continue;
},
_ => {}
}
node_index += 1;
::add_warning(context, node, ::WarningMessage::Unrecognized);
}
if pos_entries.is_empty() {
::add_warning(context, heading_node, ::WarningMessage::SectionEmpty);
} else {
language_entries.push(::LanguageEntry {
language: context.language.unwrap(),
pos_entries,
});
}
node_index
}
fn parse_details<'a>(context: &mut ::Context<'a>, nodes: &[::Node<'a>]) -> Vec<::Flowing<'a>> {
let mut details = vec![];
for node in nodes {
match node {
::Node::Italic { .. } => details.push(::Flowing::Italic),
::Node::Link { target, text, .. } => {
details.push(::parse_link(context, node, target, text))
}
::Node::Template {
name, parameters, ..
} => match ::parse_text(name) {
None => details.push(::create_unknown(
context,
node,
::WarningMessage::Unrecognized,
)),
Some(text) => match &text as _ {
"Wortart" => details.push(match ::pos_template::parse_pos_template(
context, node, parameters,
) {
None => ::Flowing::Unknown {
value: ::Cow::Borrowed(&context.wiki_text[node.start()..node.end()]),
},
Some(pos) => ::Flowing::Pos { pos },
}),
"f" => details.push(::parse_simple_template(
context,
node,
parameters,
::Flowing::FeminineGender,
)),
"fm" => parse_gender_combination_template(
context,
node,
parameters,
&mut details,
::Flowing::FeminineGender,
::Flowing::MasculineGender,
),
"fn" => parse_gender_combination_template(
context,
node,
parameters,
&mut details,
::Flowing::FeminineGender,
::Flowing::NeuterGender,
),
"m" => details.push(::parse_simple_template(
context,
node,
parameters,
::Flowing::MasculineGender,
)),
"mf" => parse_gender_combination_template(
context,
node,
parameters,
&mut details,
::Flowing::MasculineGender,
::Flowing::FeminineGender,
),
"mn." => parse_gender_combination_template(
context,
node,
parameters,
&mut details,
::Flowing::MasculineGender,
::Flowing::NeuterGender,
),
"n" => details.push(::parse_simple_template(
context,
node,
parameters,
::Flowing::NeuterGender,
)),
"nf" => parse_gender_combination_template(
context,
node,
parameters,
&mut details,
::Flowing::NeuterGender,
::Flowing::FeminineGender,
),
"nm" => parse_gender_combination_template(
context,
node,
parameters,
&mut details,
::Flowing::NeuterGender,
::Flowing::MasculineGender,
),
"u" => details.push(::parse_simple_template(
context,
node,
parameters,
::Flowing::CommonGender,
)),
_ => details.push(::create_unknown(
context,
node,
::WarningMessage::Unrecognized,
)),
},
},
::Node::Text { mut value, .. } => {
if details.is_empty() {
value = value.trim_left();
if value.starts_with(',') {
value = value[1..].trim_left();
}
if value.is_empty() {
continue;
}
}
details.push(::Flowing::Text {
value: ::Cow::Borrowed(value),
});
}
_ => details.push(::create_unknown(
context,
node,
::WarningMessage::Unrecognized,
)),
}
}
details
}
fn parse_gender_combination_template<'a>(
context: &mut ::Context<'a>,
node: &::Node,
parameters: &[::Parameter],
output: &mut Vec<::Flowing<'a>>,
gender1: ::Flowing<'a>,
gender2: ::Flowing<'a>,
) {
if parameters.is_empty() {
output.push(gender1);
output.push(::Flowing::Text {
value: ::Cow::Borrowed(", "),
});
output.push(gender2);
} else {
output.push(::create_unknown(
context,
node,
::WarningMessage::ValueUnrecognized,
))
}
}