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use common::is_whitespace_char;
use reader::events::XmlEvent;
use reader::lexer::Token;
use super::{
Result, PullParser, State, ClosingTagSubstate, OpeningTagSubstate,
ProcessingInstructionSubstate, DEFAULT_VERSION, DEFAULT_ENCODING, DEFAULT_STANDALONE
};
impl PullParser {
pub fn outside_tag(&mut self, t: Token) -> Option<Result> {
match t {
Token::ReferenceStart =>
self.into_state_continue(State::InsideReference(Box::new(State::OutsideTag))),
Token::Whitespace(_) if self.depth() == 0 && self.config.ignore_root_level_whitespace => None,
Token::Whitespace(_) if self.config.trim_whitespace && !self.buf_has_data() => None,
Token::Whitespace(c) => {
if !self.buf_has_data() {
self.push_pos();
}
self.append_char_continue(c)
}
_ if t.contains_char_data() && self.depth() == 0 =>
Some(self_error!(self; "Unexpected characters outside the root element: {}", t)),
_ if t.contains_char_data() => {
if !self.buf_has_data() {
self.push_pos();
}
self.inside_whitespace = false;
t.push_to_string(&mut self.buf);
None
}
Token::ReferenceEnd => {
self.inside_whitespace = false;
Token::ReferenceEnd.push_to_string(&mut self.buf);
None
}
Token::CommentStart if self.config.coalesce_characters && self.config.ignore_comments => {
self.lexer.inside_comment();
self.into_state_continue(State::InsideComment)
}
Token::CDataStart if self.config.coalesce_characters && self.config.cdata_to_characters => {
if !self.buf_has_data() {
self.push_pos();
}
self.lexer.disable_errors();
self.into_state_continue(State::InsideCData)
}
_ => {
let mut next_event = if self.buf_has_data() {
let buf = self.take_buf();
if self.inside_whitespace && self.config.trim_whitespace {
None
} else if self.inside_whitespace && !self.config.whitespace_to_characters {
Some(Ok(XmlEvent::Whitespace(buf)))
} else if self.config.trim_whitespace {
Some(Ok(XmlEvent::Characters(buf.trim_matches(is_whitespace_char).into())))
} else {
Some(Ok(XmlEvent::Characters(buf)))
}
} else { None };
self.inside_whitespace = true;
self.push_pos();
match t {
Token::ProcessingInstructionStart =>
self.into_state(State::InsideProcessingInstruction(ProcessingInstructionSubstate::PIInsideName), next_event),
Token::DoctypeStart if !self.encountered_element => {
self.next_pos();
self.lexer.disable_errors();
self.into_state(State::InsideDoctype, next_event)
}
Token::OpeningTagStart => {
if !self.parsed_declaration {
self.parsed_declaration = true;
let sd_event = XmlEvent::StartDocument {
version: DEFAULT_VERSION,
encoding: DEFAULT_ENCODING.into(),
standalone: DEFAULT_STANDALONE
};
next_event = Some(Ok(sd_event));
self.push_pos();
}
self.encountered_element = true;
self.nst.push_empty();
self.into_state(State::InsideOpeningTag(OpeningTagSubstate::InsideName), next_event)
}
Token::ClosingTagStart if self.depth() > 0 =>
self.into_state(State::InsideClosingTag(ClosingTagSubstate::CTInsideName), next_event),
Token::CommentStart => {
self.lexer.inside_comment();
self.into_state(State::InsideComment, next_event)
}
Token::CDataStart => {
self.lexer.disable_errors();
self.into_state(State::InsideCData, next_event)
}
_ => Some(self_error!(self; "Unexpected token: {}", t))
}
}
}
}
}