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Fix bugs and inconsistencies in the search parser

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This commit is contained in:
RumovZ 2020-11-01 17:24:08 +01:00
parent 92e516c6b0
commit 0cff65e5a8
3 changed files with 240 additions and 177 deletions
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262
rslib/src/search/parser.rs
View File

@ -9,16 +9,15 @@ use crate::{
use lazy_static::lazy_static;
use nom::{
branch::alt,
bytes::complete::{escaped, is_not, tag, take_while1},
character::complete::{anychar, char, one_of},
bytes::complete::{escaped, is_not, tag},
character::complete::{anychar, char, none_of, one_of},
combinator::{all_consuming, map, map_res},
sequence::{delimited, preceded, tuple},
sequence::{delimited, preceded, separated_pair},
{multi::many0, IResult},
};
use regex::Regex;
use regex::{Captures, Regex};
use std::{borrow::Cow, num};
// fixme: need to preserve \ when used twice in string
struct ParseError {}
@ -42,6 +41,12 @@ impl<I> From<nom::Err<(I, nom::error::ErrorKind)>> for ParseError {
type ParseResult<T> = std::result::Result<T, ParseError>;
#[derive(Debug, PartialEq)]
pub(super) enum OptionalRe<'a> {
Text(Cow<'a, str>),
Re(Cow<'a, str>),
}
#[derive(Debug, PartialEq)]
pub(super) enum Node<'a> {
And,
@ -57,30 +62,30 @@ pub(super) enum SearchNode<'a> {
UnqualifiedText(Cow<'a, str>),
// foo:bar, where foo doesn't match a term below
SingleField {
field: Cow<'a, str>,
field: OptionalRe<'a>,
text: Cow<'a, str>,
is_re: bool,
},
AddedInDays(u32),
EditedInDays(u32),
CardTemplate(TemplateKind),
Deck(Cow<'a, str>),
CardTemplate(TemplateKind<'a>),
Deck(String),
DeckID(DeckID),
NoteTypeID(NoteTypeID),
NoteType(Cow<'a, str>),
NoteType(OptionalRe<'a>),
Rated {
days: u32,
ease: Option<u8>,
},
Tag(Cow<'a, str>),
Tag(OptionalRe<'a>),
Duplicates {
note_type_id: NoteTypeID,
text: String,
text: Cow<'a, str>,
},
State(StateKind),
Flag(u8),
NoteIDs(Cow<'a, str>),
CardIDs(Cow<'a, str>),
NoteIDs(&'a str),
CardIDs(&'a str),
Property {
operator: String,
kind: PropertyKind,
@ -88,7 +93,7 @@ pub(super) enum SearchNode<'a> {
WholeCollection,
Regex(Cow<'a, str>),
NoCombining(Cow<'a, str>),
WordBoundary(Cow<'a, str>),
WordBoundary(String),
}
#[derive(Debug, PartialEq)]
@ -113,9 +118,9 @@ pub(super) enum StateKind {
}
#[derive(Debug, PartialEq)]
pub(super) enum TemplateKind {
pub(super) enum TemplateKind<'a> {
Ordinal(u16),
Name(String),
Name(OptionalRe<'a>),
}
/// Parse the input string into a list of nodes.
@ -127,7 +132,6 @@ pub(super) fn parse(input: &str) -> Result<Vec<Node>> {
let (_, nodes) =
all_consuming(group_inner)(input).map_err(|_e| AnkiError::SearchError(None))?;
Ok(nodes)
}
@ -184,7 +188,7 @@ fn group_inner(input: &str) -> IResult<&str, Vec<Node>> {
}
fn whitespace0(s: &str) -> IResult<&str, Vec<char>> {
many0(one_of(" \u{3000}"))(s)
many0(one_of(" \u{3000}\t\n"))(s)
}
/// Optional leading space, then a (negated) group or text
@ -205,32 +209,18 @@ fn text(s: &str) -> IResult<&str, Node> {
/// Determine if text is a qualified search, and handle escaped chars.
fn search_node_for_text(s: &str) -> ParseResult<SearchNode> {
let mut it = s.splitn(2, ':');
let (head, tail) = (
unescape_quotes(it.next().unwrap()),
it.next().map(unescape_quotes),
);
if let Some(tail) = tail {
search_node_for_text_with_argument(head, tail)
let (tail, head) = escaped(is_not(r":\"), '\\', anychar)(s)?;
if tail.is_empty() {
Ok(SearchNode::UnqualifiedText(unescape_to_glob(head)?))
} else {
Ok(SearchNode::UnqualifiedText(head))
search_node_for_text_with_argument(head, &tail[1..])
}
}
/// \" -> "
fn unescape_quotes(s: &str) -> Cow<str> {
if s.find(r#"\""#).is_some() {
s.replace(r#"\""#, "\"").into()
} else {
s.into()
}
}
/// Unquoted text, terminated by a space or )
/// Unquoted text, terminated by whitespace or unescaped ", ( or )
fn unquoted_term(s: &str) -> IResult<&str, Node> {
map_res(
take_while1(|c| c != ' ' && c != ')' && c != '"'),
escaped(is_not("\"() \u{3000}\\"), '\\', none_of(" \u{3000}")),
|text: &str| -> ParseResult<Node> {
Ok(if text.eq_ignore_ascii_case("or") {
Node::Or
@ -261,52 +251,64 @@ fn quoted_term_inner(s: &str) -> IResult<&str, &str> {
/// eg deck:"foo bar" - quotes must come after the :
fn partially_quoted_term(s: &str) -> IResult<&str, Node> {
let term = take_while1(|c| c != ' ' && c != ')' && c != ':');
let (s, (term, _, quoted_val)) = tuple((term, char(':'), quoted_term_str))(s)?;
let quoted_val = unescape_quotes(quoted_val);
match search_node_for_text_with_argument(term.into(), quoted_val) {
Ok(search) => Ok((s, Node::Search(search))),
Err(_) => Err(nom::Err::Failure((s, nom::error::ErrorKind::NoneOf))),
}
map_res(
separated_pair(
escaped(is_not("\"(): \u{3000}\\"), '\\', none_of(": \u{3000}")),
char(':'),
quoted_term_str,
),
|p| match search_node_for_text_with_argument(p.0, p.1) {
Ok(search) => Ok(Node::Search(search)),
Err(e) => Err(e),
},
)(s)
}
/// Convert a colon-separated key/val pair into the relevant search type.
fn search_node_for_text_with_argument<'a>(
key: Cow<'a, str>,
val: Cow<'a, str>,
key: &'a str,
val: &'a str,
) -> ParseResult<SearchNode<'a>> {
Ok(match key.to_ascii_lowercase().as_str() {
"added" => SearchNode::AddedInDays(val.parse()?),
"edited" => SearchNode::EditedInDays(val.parse()?),
"deck" => SearchNode::Deck(val),
"note" => SearchNode::NoteType(val),
"tag" => SearchNode::Tag(val),
"deck" => SearchNode::Deck(unescape_to_enforced_re(val)?),
"note" => SearchNode::NoteType(unescape_to_re(val)?),
"tag" => SearchNode::Tag(parse_tag(val)?),
"mid" => SearchNode::NoteTypeID(val.parse()?),
"nid" => SearchNode::NoteIDs(check_id_list(val)?),
"cid" => SearchNode::CardIDs(check_id_list(val)?),
"did" => SearchNode::DeckID(val.parse()?),
"card" => parse_template(val.as_ref()),
"is" => parse_state(val.as_ref())?,
"flag" => parse_flag(val.as_ref())?,
"rated" => parse_rated(val.as_ref())?,
"dupe" => parse_dupes(val.as_ref())?,
"prop" => parse_prop(val.as_ref())?,
"re" => SearchNode::Regex(val),
"nc" => SearchNode::NoCombining(val),
"w" => SearchNode::WordBoundary(val),
"card" => parse_template(val)?,
"is" => parse_state(val)?,
"flag" => parse_flag(val)?,
"rated" => parse_rated(val)?,
"dupe" => parse_dupes(val)?,
"prop" => parse_prop(val)?,
"re" => SearchNode::Regex(unescape_quotes(val)),
"nc" => SearchNode::NoCombining(unescape_to_glob(val)?),
"w" => SearchNode::WordBoundary(unescape_to_enforced_re(val)?),
// anything else is a field search
_ => parse_single_field(key.as_ref(), val.as_ref()),
_ => parse_single_field(key, val)?,
})
}
/// Ensure the string doesn't contain whitespace and unescape.
fn parse_tag(s: &str) -> ParseResult<OptionalRe> {
if s.as_bytes().iter().any(u8::is_ascii_whitespace) {
Err(ParseError {})
} else {
unescape_to_custom_re(s, r"\S")
}
}
/// ensure a list of ids contains only numbers and commas, returning unchanged if true
/// used by nid: and cid:
fn check_id_list(s: Cow<str>) -> ParseResult<Cow<str>> {
fn check_id_list(s: &str) -> ParseResult<&str> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^(\d+,)*\d+$").unwrap();
}
if RE.is_match(s.as_ref()) {
if RE.is_match(s) {
Ok(s)
} else {
Err(ParseError {})
@ -360,13 +362,13 @@ fn parse_rated(val: &str) -> ParseResult<SearchNode<'static>> {
}
/// eg dupes:1231,hello
fn parse_dupes(val: &str) -> ParseResult<SearchNode<'static>> {
fn parse_dupes(val: &str) -> ParseResult<SearchNode> {
let mut it = val.splitn(2, ',');
let mid: NoteTypeID = it.next().unwrap().parse()?;
let text = it.next().ok_or(ParseError {})?;
Ok(SearchNode::Duplicates {
note_type_id: mid,
text: text.into(),
text: unescape_quotes(text),
})
}
@ -411,27 +413,122 @@ fn parse_prop(val: &str) -> ParseResult<SearchNode<'static>> {
})
}
fn parse_template(val: &str) -> SearchNode<'static> {
SearchNode::CardTemplate(match val.parse::<u16>() {
fn parse_template(val: &str) -> ParseResult<SearchNode> {
Ok(SearchNode::CardTemplate(match val.parse::<u16>() {
Ok(n) => TemplateKind::Ordinal(n.max(1) - 1),
Err(_) => TemplateKind::Name(val.into()),
Err(_) => TemplateKind::Name(unescape_to_re(val)?),
}))
}
fn parse_single_field<'a>(key: &'a str, val: &'a str) -> ParseResult<SearchNode<'a>> {
Ok(if val.starts_with("re:") {
SearchNode::SingleField {
field: unescape_to_re(key)?,
text: unescape_quotes(&val[3..]),
is_re: true,
}
} else {
SearchNode::SingleField {
field: unescape_to_re(key)?,
text: unescape_to_glob(val)?,
is_re: false,
}
})
}
fn parse_single_field(key: &str, mut val: &str) -> SearchNode<'static> {
let is_re = if val.starts_with("re:") {
val = val.trim_start_matches("re:");
true
/// For strings without unescaped ", convert \" to "
fn unescape_quotes(s: &str) -> Cow<str> {
if s.contains('"') {
s.replace(r#"\""#, "\"").into()
} else {
false
};
SearchNode::SingleField {
field: key.to_string().into(),
text: val.to_string().into(),
is_re,
s.into()
}
}
/// Check string for invalid escape sequences.
fn is_invalid_escape(txt: &str) -> bool {
// odd number of \s not followed by an escapable character
lazy_static! {
static ref RE: Regex = Regex::new(r#"(^|[^\\])(\\\\)*\\([^":*_()]|$)"#).unwrap();
}
RE.is_match(txt)
}
/// Handle escaped characters and convert Anki wildcards to SQL wildcards.
/// Return error if there is an undefined escape sequence.
fn unescape_to_glob(txt: &str) -> ParseResult<Cow<str>> {
if is_invalid_escape(txt) {
Err(ParseError {})
} else {
// escape sequences and unescaped special characters which need conversion
lazy_static! {
static ref RE: Regex = Regex::new(r"\\.|[*%]").unwrap();
}
Ok(RE.replace_all(&txt, |caps: &Captures| {
match &caps[0] {
r"\\" => r"\\",
"\\\"" => "\"",
r"\:" => ":",
r"\*" => "*",
r"\_" => r"\_",
r"\(" => "(",
r"\)" => ")",
"*" => "%",
"%" => r"\%",
_ => unreachable!(),
}
}))
}
}
/// Handle escaped characters and convert to regex if there are wildcards.
/// Return error if there is an undefined escape sequence.
fn unescape_to_re(txt: &str) -> ParseResult<OptionalRe> {
unescape_to_custom_re(txt, ".")
}
/// Handle escaped characters and if there are wildcards, convert to a regex using the given wildcard.
/// Return error if there is an undefined escape sequence.
fn unescape_to_custom_re<'a>(txt: &'a str, wildcard: &str) -> ParseResult<OptionalRe<'a>> {
if is_invalid_escape(txt) {
Err(ParseError {})
} else {
lazy_static! {
static ref WILDCARD: Regex = Regex::new(r"(^|[^\\])(\\\\)*[*_]").unwrap();
static ref MAYBE_ESCAPED: Regex = Regex::new(r"\\?.").unwrap();
static ref ESCAPED: Regex = Regex::new(r"\\(.)").unwrap();
}
if WILDCARD.is_match(txt) {
Ok(OptionalRe::Re(MAYBE_ESCAPED.replace_all(
&txt,
|caps: &Captures| {
let s = &caps[0];
match s {
r"\\" | r"\*" | r"\(" | r"\)" => s.to_string(),
"\\\"" => "\"".to_string(),
r"\:" => ":".to_string(),
r"*" => format!("{}*", wildcard),
"_" => wildcard.to_string(),
r"\_" => r"_".to_string(),
s => regex::escape(s),
}
},
)))
} else {
Ok(OptionalRe::Text(ESCAPED.replace_all(&txt, "$1")))
}
}
}
/// Handle escaped characters and convert to regex.
/// Return error if there is an undefined escape sequence.
fn unescape_to_enforced_re(txt: &str) -> ParseResult<String> {
Ok(match unescape_to_re(txt)? {
OptionalRe::Text(s) => regex::escape(s.as_ref()),
OptionalRe::Re(s) => s.to_string(),
})
}
#[cfg(test)]
mod test {
use super::*;
@ -440,6 +537,7 @@ mod test {
fn parsing() -> Result<()> {
use Node::*;
use SearchNode::*;
use OptionalRe::*;
assert_eq!(parse("")?, vec![Search(SearchNode::WholeCollection)]);
assert_eq!(parse(" ")?, vec![Search(SearchNode::WholeCollection)]);
@ -478,7 +576,7 @@ mod test {
Search(UnqualifiedText("world".into())),
And,
Search(SingleField {
field: "foo".into(),
field: Text("foo".into()),
text: "bar baz".into(),
is_re: false,
})
@ -491,7 +589,7 @@ mod test {
assert_eq!(
parse("foo:re:bar")?,
vec![Search(SingleField {
field: "foo".into(),
field: Text("foo".into()),
text: "bar".into(),
is_re: true
})]
@ -501,7 +599,7 @@ mod test {
assert_eq!(
parse(r#""field:va\"lue""#)?,
vec![Search(SingleField {
field: "field".into(),
field: Text("foo".into()),
text: "va\"lue".into(),
is_re: false
})]
@ -517,7 +615,7 @@ mod test {
assert_eq!(parse("added:3")?, vec![Search(AddedInDays(3))]);
assert_eq!(
parse("card:front")?,
vec![Search(CardTemplate(TemplateKind::Name("front".into())))]
vec![Search(CardTemplate(TemplateKind::Name(Text("front".into()))))]
);
assert_eq!(
parse("card:3")?,

133
rslib/src/search/sqlwriter.rs
View File

@ -1,7 +1,7 @@
// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
use super::parser::{Node, PropertyKind, SearchNode, StateKind, TemplateKind};
use super::parser::{Node, PropertyKind, SearchNode, StateKind, OptionalRe, TemplateKind};
use crate::{
card::{CardQueue, CardType},
collection::Collection,
@ -9,13 +9,13 @@ use crate::{
err::Result,
notes::field_checksum,
notetype::NoteTypeID,
text::{matches_wildcard, text_to_re},
text::text_to_re,
text::{normalize_to_nfc, strip_html_preserving_image_filenames, without_combining},
timestamp::TimestampSecs,
};
use lazy_static::lazy_static;
use regex::Regex;
use std::{borrow::Cow, fmt::Write};
use unicase::eq as uni_eq;
pub(crate) struct SqlWriter<'a> {
col: &'a mut Collection,
@ -119,7 +119,7 @@ impl SqlWriter<'_> {
// note fields related
SearchNode::UnqualifiedText(text) => self.write_unqualified(&self.norm_note(text)),
SearchNode::SingleField { field, text, is_re } => {
self.write_single_field(field.as_ref(), &self.norm_note(text), *is_re)?
self.write_single_field(field, &self.norm_note(text), *is_re)?
}
SearchNode::Duplicates { note_type_id, text } => {
self.write_dupes(*note_type_id, &self.norm_note(text))
@ -131,14 +131,8 @@ impl SqlWriter<'_> {
// other
SearchNode::AddedInDays(days) => self.write_added(*days)?,
SearchNode::EditedInDays(days) => self.write_edited(*days)?,
SearchNode::CardTemplate(template) => match template {
TemplateKind::Ordinal(_) => {
self.write_template(template)?;
}
TemplateKind::Name(name) => {
self.write_template(&TemplateKind::Name(norm(name).into()))?;
}
},
// fixme: normalise in name case?
SearchNode::CardTemplate(template) => self.write_template(template)?,
SearchNode::Deck(deck) => self.write_deck(&norm(deck))?,
SearchNode::NoteTypeID(ntid) => {
write!(self.sql, "n.mid = {}", ntid).unwrap();
@ -146,9 +140,12 @@ impl SqlWriter<'_> {
SearchNode::DeckID(did) => {
write!(self.sql, "c.did = {}", did).unwrap();
}
SearchNode::NoteType(notetype) => self.write_note_type(&norm(notetype))?,
// fixme: normalise?
SearchNode::NoteType(notetype) => self.write_note_type(notetype)?,
SearchNode::Rated { days, ease } => self.write_rated(*days, *ease)?,
SearchNode::Tag(tag) => self.write_tag(&norm(tag))?,
// fixme: normalise?
SearchNode::Tag(tag) => self.write_tag(tag)?,
SearchNode::State(state) => self.write_state(state)?,
SearchNode::Flag(flag) => {
write!(self.sql, "(c.flags & 7) == {}", flag).unwrap();
@ -167,7 +164,7 @@ impl SqlWriter<'_> {
fn write_unqualified(&mut self, text: &str) {
// implicitly wrap in %
let text = format!("%{}%", convert_glob_char(text));
let text = format!("%{}%", text);
self.args.push(text);
write!(
self.sql,
@ -191,27 +188,27 @@ impl SqlWriter<'_> {
.unwrap();
}
fn write_tag(&mut self, text: &str) -> Result<()> {
fn write_tag(&mut self, text: &OptionalRe) -> Result<()> {
match text {
"none" => {
write!(self.sql, "n.tags = ''").unwrap();
}
"*" | "%" => {
write!(self.sql, "true").unwrap();
}
text => {
if let Some(re_glob) = glob_to_re(text) {
// text contains a wildcard
let re_glob = format!("(?i).* {} .*", re_glob);
write!(self.sql, "n.tags regexp ?").unwrap();
self.args.push(re_glob);
} else if let Some(tag) = self.col.storage.preferred_tag_case(&text)? {
OptionalRe::Text(s) => {
if s == "none" {
write!(self.sql, "n.tags = ''").unwrap();
} else if let Some(tag) = self.col.storage.preferred_tag_case(s)? {
write!(self.sql, "n.tags like ?").unwrap();
self.args.push(format!("% {} %", tag));
} else {
write!(self.sql, "false").unwrap();
}
}
OptionalRe::Re(s) => {
if s == "*" {
write!(self.sql, "true").unwrap();
} else {
let re = format!("(?i).* {} .*", s);
write!(self.sql, "n.tags regexp ?").unwrap();
self.args.push(re);
}
}
}
Ok(())
}
@ -340,45 +337,54 @@ impl SqlWriter<'_> {
TemplateKind::Ordinal(n) => {
write!(self.sql, "c.ord = {}", n).unwrap();
}
TemplateKind::Name(name) => {
if let Some(re) = glob_to_re(name) {
let re = format!("(?i){}", re);
TemplateKind::Name(name) => match name {
OptionalRe::Re(s) => {
let re = format!("(?i){}", s);
self.sql.push_str(
"(n.mid,c.ord) in (select ntid,ord from templates where name regexp ?)",
);
self.args.push(re);
} else {
}
OptionalRe::Text(s) => {
self.sql.push_str(
"(n.mid,c.ord) in (select ntid,ord from templates where name = ?)",
);
self.args.push(name.to_string());
self.args.push(s.to_string());
}
}
},
};
Ok(())
}
fn write_note_type(&mut self, nt_name: &str) -> Result<()> {
if let Some(re) = glob_to_re(nt_name) {
let re = format!("(?i){}", re);
self.sql
.push_str("n.mid in (select id from notetypes where name regexp ?)");
self.args.push(re);
} else {
self.sql
.push_str("n.mid in (select id from notetypes where name = ?)");
self.args.push(nt_name.to_string());
fn write_note_type(&mut self, nt_name: &OptionalRe) -> Result<()> {
match nt_name {
OptionalRe::Re(s) => {
let re = format!("(?i){}", s);
self.sql
.push_str("n.mid in (select id from notetypes where name regexp ?)");
self.args.push(re);
}
OptionalRe::Text(s) => {
self.sql
.push_str("n.mid in (select id from notetypes where name = ?)");
self.args.push(s.to_string());
}
}
Ok(())
}
fn write_single_field(&mut self, field_name: &str, val: &str, is_re: bool) -> Result<()> {
fn write_single_field(
&mut self,
field_name: &OptionalRe,
val: &str,
is_re: bool,
) -> Result<()> {
let note_types = self.col.get_all_notetypes()?;
let mut field_map = vec![];
for nt in note_types.values() {
for field in &nt.fields {
if matches_wildcard(&field.name, field_name) {
if matches_string_variant(&field.name, field_name) {
field_map.push((nt.id, field.ord));
}
}
@ -401,7 +407,7 @@ impl SqlWriter<'_> {
} else {
cmp = "like";
cmp_trailer = "escape '\\'";
self.args.push(convert_glob_char(val).into())
self.args.push(val.into())
}
let arg_idx = self.args.len();
@ -455,27 +461,16 @@ impl SqlWriter<'_> {
}
fn write_word_boundary(&mut self, word: &str) {
// fixme: need to escape in the no-glob case as well
let re = text_to_re(word);
self.write_regex(&format!(r"\b{}\b", re))
self.write_regex(&format!(r"\b{}\b", word))
}
}
/// Replace * with %, leaving \* alone.
fn convert_glob_char(val: &str) -> Cow<str> {
lazy_static! {
static ref RE: Regex = Regex::new(r"(^|[^\\])\*").unwrap();
/// True if the content of search is equal to text, folding case.
fn matches_string_variant(text: &str, search: &OptionalRe) -> bool {
match search {
OptionalRe::Re(s) => Regex::new(&format!("^(?i){}$", s)).unwrap().is_match(text),
OptionalRe::Text(s) => uni_eq(text, s),
}
RE.replace_all(val, "${1}%")
}
/// Convert a string with _, % or * characters into a regex.
/// If string contains no globbing characters, return None.
fn glob_to_re(glob: &str) -> Option<String> {
if !glob.contains(|c| c == '_' || c == '*' || c == '%') {
return None;
}
Some(text_to_re(glob))
}
#[derive(Debug, PartialEq, Clone, Copy)]
@ -803,12 +798,4 @@ mod test {
RequiredTable::Notes
);
}
#[test]
fn convert_glob() {
assert_eq!(&convert_glob_char("foo*bar"), "foo%bar");
assert_eq!(&convert_glob_char("*bar"), "%bar");
assert_eq!(&convert_glob_char("\n*bar"), "\n%bar");
assert_eq!(&convert_glob_char(r"\*bar"), r"\*bar");
}
}

22
rslib/src/text.rs
View File

@ -5,7 +5,6 @@ use lazy_static::lazy_static;
use regex::{Captures, Regex};
use std::borrow::Cow;
use std::ptr;
use unicase::eq as uni_eq;
use unicode_normalization::{
char::is_combining_mark, is_nfc, is_nfkd_quick, IsNormalized, UnicodeNormalization,
};
@ -240,17 +239,6 @@ pub(crate) fn ensure_string_in_nfc(s: &mut String) {
}
}
/// True if search is equal to text, folding case.
/// Supports '*' to match 0 or more characters.
pub(crate) fn matches_wildcard(text: &str, search: &str) -> bool {
if search.contains('*') {
let search = format!("^(?i){}$", regex::escape(search).replace(r"\*", ".*"));
Regex::new(&search).unwrap().is_match(text)
} else {
uni_eq(text, search)
}
}
/// Convert provided string to NFKD form and strip combining characters.
pub(crate) fn without_combining(s: &str) -> Cow<str> {
// if the string is already normalized
@ -303,7 +291,6 @@ pub(crate) fn text_to_re(glob: &str) -> String {
#[cfg(test)]
mod test {
use super::matches_wildcard;
use crate::text::without_combining;
use crate::text::{
extract_av_tags, strip_av_tags, strip_html, strip_html_preserving_image_filenames, AVTag,
@ -351,15 +338,6 @@ mod test {
);
}
#[test]
fn wildcard() {
assert_eq!(matches_wildcard("foo", "bar"), false);
assert_eq!(matches_wildcard("foo", "Foo"), true);
assert_eq!(matches_wildcard("foo", "F*"), true);
assert_eq!(matches_wildcard("foo", "F*oo"), true);
assert_eq!(matches_wildcard("foo", "b*"), false);
}
#[test]
fn combining() {
assert!(matches!(without_combining("test"), Cow::Borrowed(_)));