pub enum Pattern {
None,
NameExact(ExactPattern),
NameFuzzy(FuzzyPattern),
NameRegex(RegexPattern),
NameTokens(TokPattern),
PathExact(ExactPattern),
PathFuzzy(FuzzyPattern),
PathRegex(RegexPattern),
PathTokens(TokPattern),
ContentExact(ContentExactPattern),
ContentRegex(ContentRegexPattern),
Composite(CompositePattern),
}Expand description
a pattern for filtering and sorting files.
Variants§
None
NameExact(ExactPattern)
NameFuzzy(FuzzyPattern)
NameRegex(RegexPattern)
NameTokens(TokPattern)
PathExact(ExactPattern)
PathFuzzy(FuzzyPattern)
PathRegex(RegexPattern)
PathTokens(TokPattern)
ContentExact(ContentExactPattern)
ContentRegex(ContentRegexPattern)
Composite(CompositePattern)
Implementations§
source§impl Pattern
impl Pattern
sourcepub fn new(
raw_expr: &BeTree<PatternOperator, PatternParts>,
search_modes: &SearchModeMap,
content_search_max_file_size: usize
) -> Result<Self, PatternError>
pub fn new(
raw_expr: &BeTree<PatternOperator, PatternParts>,
search_modes: &SearchModeMap,
content_search_max_file_size: usize
) -> Result<Self, PatternError>
sourcepub fn object(&self) -> PatternObject
pub fn object(&self) -> PatternObject
Examples found in repository?
src/pattern/pattern.rs (line 110)
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pub fn object(&self) -> PatternObject {
let mut object = PatternObject::default();
match self {
Self::None => {}
Self::NameExact(_) | Self::NameFuzzy(_) | Self::NameRegex(_) | Self::NameTokens(_) => {
object.name = true;
}
Self::PathExact(_) | Self::PathFuzzy(_) | Self::PathRegex(_) | Self::PathTokens(_) => {
object.subpath = true;
}
Self::ContentExact(_) | Self::ContentRegex(_) => {
object.content = true;
}
Self::Composite(cp) => {
for atom in cp.expr.iter_atoms() {
object |= atom.object();
}
}
}
object
}More examples
src/stage/stage_state.rs (line 308)
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fn display(
&mut self,
w: &mut W,
disc: &DisplayContext,
) -> Result<(), ProgramError> {
let stage = &disc.app_state.stage;
self.stage_sum.see_stage(stage); // this may invalidate the sum
if self.filtered_stage.update(stage) {
self.fix_scroll();
}
let area = &disc.state_area;
let styles = &disc.panel_skin.styles;
let width = area.width as usize;
w.queue(cursor::MoveTo(area.left, 0))?;
let mut cw = CropWriter::new(w, width);
self.write_title_line(stage, &mut cw, styles)?;
let list_area = Area::new(area.left, area.top + 1, area.width, area.height - 1);
self.page_height = list_area.height as usize;
let pattern = &self.filtered_stage.pattern().pattern;
let pattern_object = pattern.object();
let scrollbar = list_area.scrollbar(self.scroll, self.filtered_stage.len());
for idx in 0..self.page_height {
let y = list_area.top + idx as u16;
let stage_idx = idx + self.scroll;
w.queue(cursor::MoveTo(area.left, y))?;
let mut cw = CropWriter::new(w, width - 1);
let cw = &mut cw;
if let Some((path, selected)) = self.filtered_stage.path_sel(stage, stage_idx) {
let mut style = if path.is_dir() {
&styles.directory
} else {
&styles.file
};
let mut bg_style;
if selected {
bg_style = style.clone();
if let Some(c) = styles.selected_line.get_bg() {
bg_style.set_bg(c);
}
style = &bg_style;
}
let mut bg_style_match;
let mut style_match = &styles.char_match;
if selected {
bg_style_match = style_match.clone();
if let Some(c) = styles.selected_line.get_bg() {
bg_style_match.set_bg(c);
}
style_match = &bg_style_match;
}
if disc.con.show_selection_mark && self.filtered_stage.has_selection() {
cw.queue_char(style, if selected { '▶' } else { ' ' })?;
}
if pattern_object.subpath {
let label = path.to_string_lossy();
// we must display the matching on the whole path
// (subpath is the path for the staging area)
let name_match = pattern.search_string(&label);
let matched_string = MatchedString::new(
name_match,
&label,
style,
style_match,
);
matched_string.queue_on(cw)?;
} else if let Some(file_name) = path.file_name() {
let label = file_name.to_string_lossy();
let label_cols = label.width();
if label_cols + 2 < cw.allowed {
if let Some(parent_path) = path.parent() {
let mut parent_style = &styles.parent;
let mut bg_style;
if selected {
bg_style = parent_style.clone();
if let Some(c) = styles.selected_line.get_bg() {
bg_style.set_bg(c);
}
parent_style = &bg_style;
}
let cols_max = cw.allowed - label_cols - 3;
let parent_path = parent_path.to_string_lossy();
let parent_cols = parent_path.width();
if parent_cols <= cols_max {
cw.queue_str(
parent_style,
&parent_path,
)?;
} else {
// TODO move to (crop_writer ? termimad ?)
// we'll compute the size of the tail fitting
// the width minus one (for the ellipsis)
let mut bytes_count = 0;
let mut cols_count = 0;
for c in parent_path.chars().rev() {
let char_width = UnicodeWidthChar::width(c).unwrap_or(0);
let next_str_width = cols_count + char_width;
if next_str_width > cols_max {
break;
}
cols_count = next_str_width;
bytes_count += c.len_utf8();
}
cw.queue_char(
parent_style,
ELLIPSIS,
)?;
cw.queue_str(
parent_style,
&parent_path[parent_path.len()-bytes_count..],
)?;
}
cw.queue_char(
parent_style,
'/',
)?;
}
}
let name_match = pattern.search_string(&label);
let matched_string = MatchedString::new(
name_match,
&label,
style,
style_match,
);
matched_string.queue_on(cw)?;
} else {
// this should not happen
warn!("how did we fall on a path without filename?");
}
cw.fill(style, &SPACE_FILLING)?;
}
cw.fill(&styles.default, &SPACE_FILLING)?;
let scrollbar_style = if ScrollCommand::is_thumb(y, scrollbar) {
&styles.scrollbar_thumb
} else {
&styles.scrollbar_track
};
scrollbar_style.queue_str(w, "▐")?;
}
Ok(())
}src/display/displayable_tree.rs (line 474)
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pub fn write_on<W: Write>(&self, f: &mut W) -> Result<(), ProgramError> {
#[cfg(not(any(target_family = "windows", target_os = "android")))]
let perm_writer = super::PermWriter::for_tree(self.skin, self.tree);
let tree = self.tree;
let total_size = tree.total_sum();
let scrollbar = if self.in_app {
termimad::compute_scrollbar(
tree.scroll,
tree.lines.len() - 1, // the root line isn't scrolled
self.area.height - 1, // the scrollbar doesn't cover the first line
self.area.top + 1,
)
} else {
None
};
if self.in_app {
f.queue(cursor::MoveTo(self.area.left, self.area.top))?;
}
let mut cw = CropWriter::new(f, self.area.width as usize);
let pattern_object = tree.options.pattern.pattern.object();
self.write_root_line(&mut cw, self.in_app && tree.selection == 0)?;
self.skin.queue_reset(f)?;
let visible_cols: Vec<Col> = tree
.options
.cols_order
.iter()
.filter(|col| col.is_visible(tree, self.app_state))
.cloned()
.collect();
// if necessary we compute the width of the count column
let count_len = if tree.options.show_counts {
tree.lines.iter()
.skip(1) // we don't show the counts of the root
.map(|l| l.sum.map_or(0, |s| s.to_count()))
.max()
.map(|c| format_count(c).len())
.unwrap_or(0)
} else {
0
};
// we compute the length of the dates, depending on the format
let date_len = if tree.options.show_dates {
let date_time: DateTime<Local> = Local::now();
date_time.format(tree.options.date_time_format).to_string().len()
} else {
0 // we don't care
};
for y in 1..self.area.height {
if self.in_app {
f.queue(cursor::MoveTo(self.area.left, y + self.area.top))?;
} else {
write!(f, "\r\n")?;
}
let mut line_index = y as usize;
if line_index > 0 {
line_index += tree.scroll as usize;
}
let mut selected = false;
let mut cw = CropWriter::new(f, self.area.width as usize);
let cw = &mut cw;
if line_index < tree.lines.len() {
let line = &tree.lines[line_index];
selected = self.in_app && line_index == tree.selection;
let label_style = self.label_style(line, selected);
let mut in_branch = false;
let space_style = if selected {
&self.skin.selected_line
} else {
&self.skin.default
};
if visible_cols[0].needs_left_margin() {
cw.queue_char(space_style, ' ')?;
}
let staged = self.app_state
.map_or(false, |a| a.stage.contains(&line.path));
for col in &visible_cols {
let void_len = match col {
Col::Mark => {
self.write_line_selection_mark(cw, &label_style, selected)?
}
Col::Git => {
self.write_line_git_status(cw, line, selected)?
}
Col::Branch => {
in_branch = true;
self.write_branch(cw, line_index, line, selected, staged)?
}
Col::DeviceId => {
#[cfg(not(unix))]
{ 0 }
#[cfg(unix)]
self.write_line_device_id(cw, line, selected)?
}
Col::Permission => {
#[cfg(any(target_family = "windows", target_os = "android"))]
{ 0 }
#[cfg(not(any(target_family = "windows", target_os = "android")))]
perm_writer.write_permissions(cw, line, selected)?
}
Col::Date => {
if let Some(seconds) = line.sum.and_then(|sum| sum.to_valid_seconds()) {
self.write_date(cw, seconds, selected)?
} else {
date_len + 1
}
}
Col::Size => {
if tree.options.sort.prevent_deep_display() {
// as soon as there's only one level displayed we can show the size bars
self.write_line_size_with_bar(cw, line, &label_style, total_size, selected)?
} else {
self.write_line_size(cw, line, &label_style, selected)?
}
}
Col::Count => {
self.write_line_count(cw, line, count_len, selected)?
}
Col::Staged => {
self.write_line_stage_mark(cw, &label_style, staged)?
}
Col::Name => {
in_branch = false;
self.write_line_label(cw, line, &label_style, pattern_object, selected)?
}
};
// void: intercol & replacing missing cells
if in_branch && void_len > 2 {
cond_bg!(void_style, self, selected, self.skin.tree);
cw.repeat(void_style, &BRANCH_FILLING, void_len)?;
} else {
cond_bg!(void_style, self, selected, self.skin.default);
cw.repeat(void_style, &SPACE_FILLING, void_len)?;
}
}
if cw.allowed > 8 && pattern_object.content {
let extract = tree.options.pattern.pattern
.search_content(&line.path, cw.allowed - 2);
if let Some(extract) = extract {
self.write_content_extract(cw, extract, selected)?;
}
}
}
self.extend_line_bg(cw, selected)?;
self.skin.queue_reset(f)?;
if self.in_app {
if let Some((sctop, scbottom)) = scrollbar {
f.queue(cursor::MoveTo(self.area.left + self.area.width - 1, y))?;
let style = if sctop <= y && y <= scbottom {
&self.skin.scrollbar_thumb
} else {
&self.skin.scrollbar_track
};
style.queue_str(f, "▐")?;
}
}
}
if !self.in_app {
write!(f, "\r\n")?;
}
Ok(())
}sourcepub fn search_string(&self, candidate: &str) -> Option<NameMatch>
pub fn search_string(&self, candidate: &str) -> Option<NameMatch>
Examples found in repository?
src/help/help_verbs.rs (line 56)
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pub fn matching_verb_rows<'v>(
pat: &Pattern,
con: &'v AppContext,
) -> Vec<MatchingVerbRow<'v>> {
let mut rows = Vec::new();
for verb in &con.verb_store.verbs {
if !verb.show_in_doc {
continue;
}
let mut name = None;
let mut shortcut = None;
if pat.is_some() {
let mut ok = false;
name = verb.names.get(0).and_then(|s| {
pat.search_string(s).map(|nm| {
ok = true;
nm.wrap(s, "**", "**")
})
});
shortcut = verb.names.get(1).and_then(|s| {
pat.search_string(s).map(|nm| {
ok = true;
nm.wrap(s, "**", "**")
})
});
if !ok {
continue;
}
}
rows.push(MatchingVerbRow {
name,
shortcut,
verb,
});
}
rows
}More examples
src/pattern/composite_pattern.rs (line 91)
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pub fn search_string(&self, candidate: &str) -> Option<NameMatch> {
// an ideal algorithm would call score_of on patterns when the object is different
// to deal with exclusions but I'll start today with something simpler
use PatternOperator::*;
let composite_result: Option<Option<NameMatch>> = self.expr.eval(
// score evaluation
|pat| pat.search_string(candidate),
// operator
|op, a, b| match (op, a, b) {
(Not, Some(_), _) => None,
(_, Some(ma), _) => Some(ma),
(_, None, Some(omb)) => omb,
_ => None,
},
|op, a| match (op, a) {
(Or, Some(_)) => true,
_ => false,
},
);
// it's possible we didn't find a result because the composition
composite_result
.unwrap_or_else(||{
warn!("unexpectedly missing result ");
None
})
}src/display/displayable_tree.rs (line 312)
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fn write_line_label<'w, W: Write>(
&self,
cw: &mut CropWriter<'w, W>,
line: &TreeLine,
style: &CompoundStyle,
pattern_object: PatternObject,
selected: bool,
) -> Result<usize, ProgramError> {
cond_bg!(char_match_style, self, selected, self.skin.char_match);
if let Some(icon) = line.icon {
cw.queue_char(style, icon)?;
cw.queue_char(style, ' ')?;
cw.queue_char(style, ' ')?;
}
if pattern_object.subpath {
if self.tree.options.show_matching_characters_on_path_searches && line.unlisted == 0 {
let name_match = self.tree.options.pattern.pattern
.search_string(&line.subpath);
let mut path_ms = MatchedString::new(
name_match,
&line.subpath,
style,
char_match_style,
);
let name_ms = path_ms.split_on_last('/');
cond_bg!(parent_style, self, selected, self.skin.parent);
if name_ms.is_some() {
path_ms.base_style = parent_style;
}
path_ms.queue_on(cw)?;
if let Some(name_ms) = name_ms {
name_ms.queue_on(cw)?;
}
} else {
cw.queue_str(style, &line.name)?;
}
} else {
let name_match = self.tree.options.pattern.pattern
.search_string(&line.name);
let matched_string = MatchedString::new(
name_match,
&line.name,
style,
char_match_style,
);
matched_string.queue_on(cw)?;
}
match &line.line_type {
TreeLineType::Dir => {
if line.unlisted > 0 {
cw.queue_str(style, " …")?;
}
}
TreeLineType::BrokenSymLink(direct_path) => {
cw.queue_str(style, " -> ")?;
cond_bg!(error_style, self, selected, self.skin.file_error);
cw.queue_str(error_style, direct_path)?;
}
TreeLineType::SymLink {
final_is_dir,
direct_target,
..
} => {
cw.queue_str(style, " -> ")?;
let target_style = if *final_is_dir {
&self.skin.directory
} else {
&self.skin.file
};
cond_bg!(target_style, self, selected, target_style);
cw.queue_str(target_style, direct_target)?;
}
_ => {}
}
Ok(1)
}src/syntactic/syntactic_view.rs (line 150)
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fn read_lines(
&mut self,
dam: &mut Dam,
con: &AppContext,
no_style: bool,
) -> Result<bool, ProgramError> {
let f = File::open(&self.path)?;
{
// if we detect the file isn't mappable, we'll
// let the ZeroLenFilePreview try to read it
let mmap = unsafe { Mmap::map(&f) };
if mmap.is_err() {
return Err(ProgramError::UnmappableFile);
}
}
let md = f.metadata()?;
if md.len() == 0 {
return Err(ProgramError::ZeroLenFile);
}
let with_style = !no_style && md.len() < MAX_SIZE_FOR_STYLING;
let mut reader = BufReader::new(f);
self.lines.clear();
let mut line = String::new();
self.total_lines_count = 0;
let mut offset = 0;
let mut number = 0;
static SYNTAXER: Lazy<Syntaxer> = Lazy::new(Syntaxer::default);
let mut highlighter = if with_style {
SYNTAXER.highlighter_for(&self.path, con)
} else {
None
};
let pattern = &self.pattern.pattern;
while reader.read_line(&mut line)? > 0 {
number += 1;
self.total_lines_count += 1;
let start = offset;
offset += line.len();
for c in line.chars() {
if !is_char_printable(c) {
debug!("unprintable char: {:?}", c);
return Err(ProgramError::UnprintableFile);
}
}
// We don't remove '\n' or '\r' at this point because some syntax sets
// need them for correct detection of comments. See #477
// Those chars are removed on printing
if pattern.is_empty() || pattern.score_of_string(&line).is_some() {
let name_match = pattern.search_string(&line);
let regions = if let Some(highlighter) = highlighter.as_mut() {
highlighter
.highlight(&line, &SYNTAXER.syntax_set)
.map_err(|e| ProgramError::SyntectCrashed { details: e.to_string() })?
.iter()
.map(Region::from_syntect)
.collect()
} else {
Vec::new()
};
self.lines.push(Line {
regions,
start,
len: line.len(),
name_match,
number,
});
}
line.clear();
if dam.has_event() {
info!("event interrupted preview filtering");
return Ok(false);
}
}
Ok(true)
}src/stage/stage_state.rs (line 346)
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fn display(
&mut self,
w: &mut W,
disc: &DisplayContext,
) -> Result<(), ProgramError> {
let stage = &disc.app_state.stage;
self.stage_sum.see_stage(stage); // this may invalidate the sum
if self.filtered_stage.update(stage) {
self.fix_scroll();
}
let area = &disc.state_area;
let styles = &disc.panel_skin.styles;
let width = area.width as usize;
w.queue(cursor::MoveTo(area.left, 0))?;
let mut cw = CropWriter::new(w, width);
self.write_title_line(stage, &mut cw, styles)?;
let list_area = Area::new(area.left, area.top + 1, area.width, area.height - 1);
self.page_height = list_area.height as usize;
let pattern = &self.filtered_stage.pattern().pattern;
let pattern_object = pattern.object();
let scrollbar = list_area.scrollbar(self.scroll, self.filtered_stage.len());
for idx in 0..self.page_height {
let y = list_area.top + idx as u16;
let stage_idx = idx + self.scroll;
w.queue(cursor::MoveTo(area.left, y))?;
let mut cw = CropWriter::new(w, width - 1);
let cw = &mut cw;
if let Some((path, selected)) = self.filtered_stage.path_sel(stage, stage_idx) {
let mut style = if path.is_dir() {
&styles.directory
} else {
&styles.file
};
let mut bg_style;
if selected {
bg_style = style.clone();
if let Some(c) = styles.selected_line.get_bg() {
bg_style.set_bg(c);
}
style = &bg_style;
}
let mut bg_style_match;
let mut style_match = &styles.char_match;
if selected {
bg_style_match = style_match.clone();
if let Some(c) = styles.selected_line.get_bg() {
bg_style_match.set_bg(c);
}
style_match = &bg_style_match;
}
if disc.con.show_selection_mark && self.filtered_stage.has_selection() {
cw.queue_char(style, if selected { '▶' } else { ' ' })?;
}
if pattern_object.subpath {
let label = path.to_string_lossy();
// we must display the matching on the whole path
// (subpath is the path for the staging area)
let name_match = pattern.search_string(&label);
let matched_string = MatchedString::new(
name_match,
&label,
style,
style_match,
);
matched_string.queue_on(cw)?;
} else if let Some(file_name) = path.file_name() {
let label = file_name.to_string_lossy();
let label_cols = label.width();
if label_cols + 2 < cw.allowed {
if let Some(parent_path) = path.parent() {
let mut parent_style = &styles.parent;
let mut bg_style;
if selected {
bg_style = parent_style.clone();
if let Some(c) = styles.selected_line.get_bg() {
bg_style.set_bg(c);
}
parent_style = &bg_style;
}
let cols_max = cw.allowed - label_cols - 3;
let parent_path = parent_path.to_string_lossy();
let parent_cols = parent_path.width();
if parent_cols <= cols_max {
cw.queue_str(
parent_style,
&parent_path,
)?;
} else {
// TODO move to (crop_writer ? termimad ?)
// we'll compute the size of the tail fitting
// the width minus one (for the ellipsis)
let mut bytes_count = 0;
let mut cols_count = 0;
for c in parent_path.chars().rev() {
let char_width = UnicodeWidthChar::width(c).unwrap_or(0);
let next_str_width = cols_count + char_width;
if next_str_width > cols_max {
break;
}
cols_count = next_str_width;
bytes_count += c.len_utf8();
}
cw.queue_char(
parent_style,
ELLIPSIS,
)?;
cw.queue_str(
parent_style,
&parent_path[parent_path.len()-bytes_count..],
)?;
}
cw.queue_char(
parent_style,
'/',
)?;
}
}
let name_match = pattern.search_string(&label);
let matched_string = MatchedString::new(
name_match,
&label,
style,
style_match,
);
matched_string.queue_on(cw)?;
} else {
// this should not happen
warn!("how did we fall on a path without filename?");
}
cw.fill(style, &SPACE_FILLING)?;
}
cw.fill(&styles.default, &SPACE_FILLING)?;
let scrollbar_style = if ScrollCommand::is_thumb(y, scrollbar) {
&styles.scrollbar_thumb
} else {
&styles.scrollbar_track
};
scrollbar_style.queue_str(w, "▐")?;
}
Ok(())
}src/filesystems/filesystems_state.rs (line 371)
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fn display(
&mut self,
w: &mut W,
disc: &DisplayContext,
) -> Result<(), ProgramError> {
let area = &disc.state_area;
let con = &disc.con;
self.page_height = area.height as usize - 2;
let (mounts, selection_idx) = if let Some(filtered) = &self.filtered {
(filtered.mounts.as_slice(), filtered.selection_idx)
} else {
(self.mounts.as_slice(), self.selection_idx)
};
let scrollbar = area.scrollbar(self.scroll, mounts.len());
//- style preparation
let styles = &disc.panel_skin.styles;
let selection_bg = styles.selected_line.get_bg()
.unwrap_or(Color::AnsiValue(240));
let match_style = &styles.char_match;
let mut selected_match_style = styles.char_match.clone();
selected_match_style.set_bg(selection_bg);
let border_style = &styles.help_table_border;
let mut selected_border_style = styles.help_table_border.clone();
selected_border_style.set_bg(selection_bg);
//- width computations and selection of columns to display
let width = area.width as usize;
let w_fs = mounts.iter()
.map(|m| m.info.fs.chars().count())
.max().unwrap_or(0)
.max("filesystem".len());
let mut wc_fs = w_fs; // width of the column (may include selection mark)
if con.show_selection_mark {
wc_fs += 1;
}
let w_dsk = 5; // max width of a lfs-core disk type
let w_type = mounts.iter()
.map(|m| m.info.fs_type.chars().count())
.max().unwrap_or(0)
.max("type".len());
let w_size = 4;
let w_use = 4;
let mut w_use_bar = 1; // min size, may grow if space available
let w_use_share = 4;
let mut wc_use = w_use; // sum of all the parts of the usage column
let w_free = 4;
let w_mount_point = mounts.iter()
.map(|m| m.info.mount_point.to_string_lossy().chars().count())
.max().unwrap_or(0)
.max("mount point".len());
let w_mandatory = wc_fs + 1 + w_size + 1 + w_free + 1 + w_mount_point;
let mut e_dsk = false;
let mut e_type = false;
let mut e_use_bar = false;
let mut e_use_share = false;
let mut e_use = false;
if w_mandatory + 1 < width {
let mut rem = width - w_mandatory - 1;
if rem > w_use {
rem -= w_use + 1;
e_use = true;
}
if e_use && rem > w_use_share {
rem -= w_use_share; // no separation with use
e_use_share = true;
wc_use += w_use_share;
}
if rem > w_dsk {
rem -= w_dsk + 1;
e_dsk = true;
}
if e_use && rem > w_use_bar {
rem -= w_use_bar + 1;
e_use_bar = true;
wc_use += w_use_bar + 1;
}
if rem > w_type {
rem -= w_type + 1;
e_type = true;
}
if e_use_bar && rem > 0 {
let incr = rem.min(9);
w_use_bar += incr;
wc_use += incr;
}
}
//- titles
w.queue(cursor::MoveTo(area.left, area.top))?;
let mut cw = CropWriter::new(w, width);
cw.queue_g_string(&styles.default, format!("{:wc_fs$}", "filesystem"))?;
cw.queue_char(border_style, '│')?;
if e_dsk {
cw.queue_g_string(&styles.default, "disk ".to_string())?;
cw.queue_char(border_style, '│')?;
}
if e_type {
cw.queue_g_string(&styles.default, format!("{:^w_type$}", "type"))?;
cw.queue_char(border_style, '│')?;
}
if e_use {
cw.queue_g_string(&styles.default, format!(
"{:^width$}", if wc_use > 4 { "usage" } else { "use" }, width = wc_use
))?;
cw.queue_char(border_style, '│')?;
}
cw.queue_g_string(&styles.default, "free".to_string())?;
cw.queue_char(border_style, '│')?;
cw.queue_g_string(&styles.default, "size".to_string())?;
cw.queue_char(border_style, '│')?;
cw.queue_g_string(&styles.default, "mount point".to_string())?;
cw.fill(border_style, &SPACE_FILLING)?;
//- horizontal line
w.queue(cursor::MoveTo(area.left, 1 + area.top))?;
let mut cw = CropWriter::new(w, width);
cw.queue_g_string(border_style, format!("{:─>width$}", '┼', width = wc_fs + 1))?;
if e_dsk {
cw.queue_g_string(border_style, format!("{:─>width$}", '┼', width = w_dsk + 1))?;
}
if e_type {
cw.queue_g_string(border_style, format!("{:─>width$}", '┼', width = w_type+1))?;
}
cw.queue_g_string(border_style, format!("{:─>width$}", '┼', width = w_size+1))?;
if e_use {
cw.queue_g_string(border_style, format!("{:─>width$}", '┼', width = wc_use+1))?;
}
cw.queue_g_string(border_style, format!("{:─>width$}", '┼', width = w_free+1))?;
cw.fill(border_style, &BRANCH_FILLING)?;
//- content
let mut idx = self.scroll as usize;
for y in 2..area.height {
w.queue(cursor::MoveTo(area.left, y + area.top))?;
let selected = selection_idx == idx;
let mut cw = CropWriter::new(w, width - 1); // -1 for scrollbar
let txt_style = if selected { &styles.selected_line } else { &styles.default };
if let Some(mount) = mounts.get(idx) {
let match_style = if selected { &selected_match_style } else { match_style };
let border_style = if selected { &selected_border_style } else { border_style };
if con.show_selection_mark {
cw.queue_char(txt_style, if selected { '▶' } else { ' ' })?;
}
// fs
let s = &mount.info.fs;
let mut matched_string = MatchedString::new(
self.filtered.as_ref().and_then(|f| f.pattern.search_string(s)),
s,
txt_style,
match_style,
);
matched_string.fill(w_fs, Alignment::Left);
matched_string.queue_on(&mut cw)?;
cw.queue_char(border_style, '│')?;
// dsk
if e_dsk {
if let Some(disk) = mount.disk.as_ref() {
let s = disk.disk_type();
let mut matched_string = MatchedString::new(
self.filtered.as_ref().and_then(|f| f.pattern.search_string(s)),
s,
txt_style,
match_style,
);
matched_string.fill(5, Alignment::Center);
matched_string.queue_on(&mut cw)?;
} else {
cw.queue_g_string(txt_style, " ".to_string())?;
}
cw.queue_char(border_style, '│')?;
}
// type
if e_type {
let s = &mount.info.fs_type;
let mut matched_string = MatchedString::new(
self.filtered.as_ref().and_then(|f| f.pattern.search_string(s)),
s,
txt_style,
match_style,
);
matched_string.fill(w_type, Alignment::Center);
matched_string.queue_on(&mut cw)?;
cw.queue_char(border_style, '│')?;
}
// size, used, free
if let Some(stats) = mount.stats().filter(|s| s.size() > 0) {
let share_color = super::share_color(stats.use_share());
// used
if e_use {
cw.queue_g_string(txt_style, format!("{:>4}", file_size::fit_4(stats.used())))?;
if e_use_share {
cw.queue_g_string(txt_style, format!("{:>3.0}%", 100.0*stats.use_share()))?;
}
if e_use_bar {
cw.queue_char(txt_style, ' ')?;
let pb = ProgressBar::new(stats.use_share() as f32, w_use_bar);
let mut bar_style = styles.default.clone();
bar_style.set_bg(share_color);
cw.queue_g_string(&bar_style, format!("{:<width$}", pb, width=w_use_bar))?;
}
cw.queue_char(border_style, '│')?;
}
// free
let mut share_style = txt_style.clone();
share_style.set_fg(share_color);
cw.queue_g_string(&share_style, format!("{:>4}", file_size::fit_4(stats.available())))?;
cw.queue_char(border_style, '│')?;
// size
if let Some(stats) = mount.stats() {
cw.queue_g_string(txt_style, format!("{:>4}", file_size::fit_4(stats.size())))?;
} else {
cw.repeat(txt_style, &SPACE_FILLING, 4)?;
}
cw.queue_char(border_style, '│')?;
} else {
// used
if e_use {
cw.repeat(txt_style, &SPACE_FILLING, wc_use)?;
cw.queue_char(border_style, '│')?;
}
// free
cw.repeat(txt_style, &SPACE_FILLING, w_free)?;
cw.queue_char(border_style, '│')?;
// size
cw.repeat(txt_style, &SPACE_FILLING, w_size)?;
cw.queue_char(border_style, '│')?;
}
// mount point
let s = &mount.info.mount_point.to_string_lossy();
let matched_string = MatchedString::new(
self.filtered.as_ref().and_then(|f| f.pattern.search_string(s)),
s,
txt_style,
match_style,
);
matched_string.queue_on(&mut cw)?;
idx += 1;
}
cw.fill(txt_style, &SPACE_FILLING)?;
let scrollbar_style = if ScrollCommand::is_thumb(y, scrollbar) {
&styles.scrollbar_thumb
} else {
&styles.scrollbar_track
};
scrollbar_style.queue_str(w, "▐")?;
}
Ok(())
}sourcepub fn search_content(
&self,
candidate: &Path,
desired_len: usize
) -> Option<ContentMatch>
pub fn search_content(
&self,
candidate: &Path,
desired_len: usize
) -> Option<ContentMatch>
find the content to show next to the name of the file when the search involved a content filtering
Examples found in repository?
src/pattern/composite_pattern.rs (line 120)
112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138
pub fn search_content(
&self,
candidate: &Path,
desired_len: usize, // available space for content match display
) -> Option<ContentMatch> {
use PatternOperator::*;
let composite_result: Option<Option<ContentMatch>> = self.expr.eval(
// score evaluation
|pat| pat.search_content(candidate, desired_len),
// operator
|op, a, b| match (op, a, b) {
(Not, Some(_), _) => None,
(_, Some(ma), _) => Some(ma),
(_, None, Some(omb)) => omb,
_ => None,
},
|op, a| match (op, a) {
(Or, Some(_)) => true,
_ => false,
},
);
composite_result
.unwrap_or_else(||{
warn!("unexpectedly missing result ");
None
})
}More examples
src/display/displayable_tree.rs (line 609)
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pub fn write_on<W: Write>(&self, f: &mut W) -> Result<(), ProgramError> {
#[cfg(not(any(target_family = "windows", target_os = "android")))]
let perm_writer = super::PermWriter::for_tree(self.skin, self.tree);
let tree = self.tree;
let total_size = tree.total_sum();
let scrollbar = if self.in_app {
termimad::compute_scrollbar(
tree.scroll,
tree.lines.len() - 1, // the root line isn't scrolled
self.area.height - 1, // the scrollbar doesn't cover the first line
self.area.top + 1,
)
} else {
None
};
if self.in_app {
f.queue(cursor::MoveTo(self.area.left, self.area.top))?;
}
let mut cw = CropWriter::new(f, self.area.width as usize);
let pattern_object = tree.options.pattern.pattern.object();
self.write_root_line(&mut cw, self.in_app && tree.selection == 0)?;
self.skin.queue_reset(f)?;
let visible_cols: Vec<Col> = tree
.options
.cols_order
.iter()
.filter(|col| col.is_visible(tree, self.app_state))
.cloned()
.collect();
// if necessary we compute the width of the count column
let count_len = if tree.options.show_counts {
tree.lines.iter()
.skip(1) // we don't show the counts of the root
.map(|l| l.sum.map_or(0, |s| s.to_count()))
.max()
.map(|c| format_count(c).len())
.unwrap_or(0)
} else {
0
};
// we compute the length of the dates, depending on the format
let date_len = if tree.options.show_dates {
let date_time: DateTime<Local> = Local::now();
date_time.format(tree.options.date_time_format).to_string().len()
} else {
0 // we don't care
};
for y in 1..self.area.height {
if self.in_app {
f.queue(cursor::MoveTo(self.area.left, y + self.area.top))?;
} else {
write!(f, "\r\n")?;
}
let mut line_index = y as usize;
if line_index > 0 {
line_index += tree.scroll as usize;
}
let mut selected = false;
let mut cw = CropWriter::new(f, self.area.width as usize);
let cw = &mut cw;
if line_index < tree.lines.len() {
let line = &tree.lines[line_index];
selected = self.in_app && line_index == tree.selection;
let label_style = self.label_style(line, selected);
let mut in_branch = false;
let space_style = if selected {
&self.skin.selected_line
} else {
&self.skin.default
};
if visible_cols[0].needs_left_margin() {
cw.queue_char(space_style, ' ')?;
}
let staged = self.app_state
.map_or(false, |a| a.stage.contains(&line.path));
for col in &visible_cols {
let void_len = match col {
Col::Mark => {
self.write_line_selection_mark(cw, &label_style, selected)?
}
Col::Git => {
self.write_line_git_status(cw, line, selected)?
}
Col::Branch => {
in_branch = true;
self.write_branch(cw, line_index, line, selected, staged)?
}
Col::DeviceId => {
#[cfg(not(unix))]
{ 0 }
#[cfg(unix)]
self.write_line_device_id(cw, line, selected)?
}
Col::Permission => {
#[cfg(any(target_family = "windows", target_os = "android"))]
{ 0 }
#[cfg(not(any(target_family = "windows", target_os = "android")))]
perm_writer.write_permissions(cw, line, selected)?
}
Col::Date => {
if let Some(seconds) = line.sum.and_then(|sum| sum.to_valid_seconds()) {
self.write_date(cw, seconds, selected)?
} else {
date_len + 1
}
}
Col::Size => {
if tree.options.sort.prevent_deep_display() {
// as soon as there's only one level displayed we can show the size bars
self.write_line_size_with_bar(cw, line, &label_style, total_size, selected)?
} else {
self.write_line_size(cw, line, &label_style, selected)?
}
}
Col::Count => {
self.write_line_count(cw, line, count_len, selected)?
}
Col::Staged => {
self.write_line_stage_mark(cw, &label_style, staged)?
}
Col::Name => {
in_branch = false;
self.write_line_label(cw, line, &label_style, pattern_object, selected)?
}
};
// void: intercol & replacing missing cells
if in_branch && void_len > 2 {
cond_bg!(void_style, self, selected, self.skin.tree);
cw.repeat(void_style, &BRANCH_FILLING, void_len)?;
} else {
cond_bg!(void_style, self, selected, self.skin.default);
cw.repeat(void_style, &SPACE_FILLING, void_len)?;
}
}
if cw.allowed > 8 && pattern_object.content {
let extract = tree.options.pattern.pattern
.search_content(&line.path, cw.allowed - 2);
if let Some(extract) = extract {
self.write_content_extract(cw, extract, selected)?;
}
}
}
self.extend_line_bg(cw, selected)?;
self.skin.queue_reset(f)?;
if self.in_app {
if let Some((sctop, scbottom)) = scrollbar {
f.queue(cursor::MoveTo(self.area.left + self.area.width - 1, y))?;
let style = if sctop <= y && y <= scbottom {
&self.skin.scrollbar_thumb
} else {
&self.skin.scrollbar_track
};
style.queue_str(f, "▐")?;
}
}
}
if !self.in_app {
write!(f, "\r\n")?;
}
Ok(())
}sourcepub fn get_match_line_count(&self, path: &Path) -> Option<usize>
pub fn get_match_line_count(&self, path: &Path) -> Option<usize>
get the line of the first match, if any
Examples found in repository?
More examples
src/pattern/composite_pattern.rs (line 147)
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pub fn get_match_line_count(
&self,
candidate: &Path,
) -> Option<usize> {
use PatternOperator::*;
let composite_result: Option<Option<usize>> = self.expr.eval(
// score evaluation
|pat| pat.get_match_line_count(candidate),
// operator
|op, a, b| match (op, a, b) {
(Not, Some(_), _) => None,
(_, Some(ma), _) => Some(ma),
(_, None, Some(omb)) => omb,
_ => None,
},
|op, a| match (op, a) {
(Or, Some(_)) => true,
_ => false,
},
);
composite_result
.unwrap_or_else(||{
warn!("unexpectedly missing result ");
None
})
}sourcepub fn score_of(&self, candidate: Candidate<'_>) -> Option<i32>
pub fn score_of(&self, candidate: Candidate<'_>) -> Option<i32>
Examples found in repository?
src/pattern/composite_pattern.rs (line 57)
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
pub fn score_of(&self, candidate: Candidate) -> Option<i32> {
use PatternOperator::*;
let composite_result: Option<Option<i32>> = self.expr.eval(
// score evaluation
|pat| pat.score_of(candidate),
// operator
|op, a, b| {
match (op, a, b) {
(And, None, _) => None, // normally not called due to short-circuit
(And, Some(sa), Some(Some(sb))) => Some(sa + sb),
(Or, None, Some(Some(sb))) => Some(sb),
(Or, Some(sa), Some(None)) => Some(sa),
(Or, Some(sa), Some(Some(sb))) => Some(sa + sb),
(Not, Some(_), _) => None,
(Not, None, _) => Some(1),
_ => None,
}
},
// short-circuit. We don't short circuit on 'or' because
// we want to use both scores
|op, a| match (op, a) {
(And, None) => true,
_ => false,
},
);
composite_result
.unwrap_or_else(||{
warn!("unexpectedly missing result ");
None
})
}More examples
src/stage/filtered_stage.rs (line 45)
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fn compute(&mut self, stage: &Stage) {
if self.pattern.is_none() {
self.paths_idx = stage.paths().iter()
.enumerate()
.map(|(idx, _)| idx)
.collect();
} else {
let mut best_score = None;
self.paths_idx.clear();
for (idx, path) in stage.paths().iter().enumerate() {
if let Some(file_name) = path.file_name() {
let subpath = path.to_string_lossy().to_string();
let name = file_name.to_string_lossy().to_string();
let regular_file = path.is_file();
let candidate = Candidate {
path,
subpath: &subpath,
name: &name,
regular_file,
};
if let Some(score) = self.pattern.pattern.score_of(candidate) {
let is_best = match best_score {
Some(old_score) if old_score < score => true,
None => true,
_ => false,
};
if is_best {
self.selection = Some(self.paths_idx.len());
best_score = Some(score);
}
self.paths_idx.push(idx);
}
}
}
}
}src/tree_build/builder.rs (line 155)
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fn make_line(
&mut self,
parent_id: BId,
e: &fs::DirEntry,
depth: u16,
) -> Option<BLine> {
let name = e.file_name();
if name.is_empty() {
self.report.error_count += 1;
return None;
}
if !self.options.show_hidden && name.as_bytes()[0] == b'.' {
self.report.hidden_count += 1;
return None;
}
let name = name.to_string_lossy();
let mut has_match = true;
let mut score = 10000 - i32::from(depth); // we dope less deep entries
let path = e.path();
let file_type = match e.file_type() {
Ok(ft) => ft,
Err(_) => {
self.report.error_count += 1;
return None;
}
};
let parent_subpath = &self.blines[parent_id].subpath;
let subpath = if !parent_subpath.is_empty() {
format!("{}/{}", parent_subpath, &name)
} else {
name.to_string()
};
let candidate = Candidate {
name: &name,
subpath: &subpath,
path: &path,
regular_file: file_type.is_file(),
};
let direct_match = if let Some(pattern_score) = self.options.pattern.pattern.score_of(candidate) {
// we dope direct matches to compensate for depth doping of parent folders
score += pattern_score + 10;
true
} else {
has_match = false;
false
};
let name = name.to_string();
if has_match && self.options.filter_by_git_status {
if let Some(line_status_computer) = &self.line_status_computer {
if !line_status_computer.is_interesting(&path) {
has_match = false;
}
}
}
if file_type.is_file() {
if !has_match {
return None;
}
if self.options.only_folders {
return None;
}
}
let special_handling = self.con.special_paths.find(&path);
if special_handling == SpecialHandling::Hide {
return None;
}
if self.options.respect_git_ignore {
let parent_chain = &self.blines[parent_id].git_ignore_chain;
if !self
.git_ignorer
.accepts(parent_chain, &path, &name, file_type.is_dir())
{
return None;
}
};
Some(BLine {
parent_id: Some(parent_id),
path,
depth,
subpath,
name,
file_type,
children: None,
next_child_idx: 0,
has_error: false,
has_match,
direct_match,
score,
nb_kept_children: 0,
git_ignore_chain: GitIgnoreChain::default(),
special_handling,
})
}sourcepub fn score_of_string(&self, candidate: &str) -> Option<i32>
pub fn score_of_string(&self, candidate: &str) -> Option<i32>
Examples found in repository?
src/filesystems/filesystems_state.rs (line 210)
197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227
fn on_pattern(
&mut self,
pattern: InputPattern,
_app_state: &AppState,
_con: &AppContext,
) -> Result<CmdResult, ProgramError> {
if pattern.is_none() {
self.filtered = None;
} else {
let mut selection_idx = 0;
let mut mounts = Vec::new();
let pattern = pattern.pattern;
for (idx, mount) in self.mounts.iter().enumerate() {
if pattern.score_of_string(&mount.info.fs).is_none()
&& mount.disk.as_ref().and_then(|d| pattern.score_of_string(d.disk_type())).is_none()
&& pattern.score_of_string(&mount.info.fs_type).is_none()
&& pattern.score_of_string(&mount.info.mount_point.to_string_lossy()).is_none()
{ continue; }
if idx <= self.selection_idx {
selection_idx = mounts.len();
}
mounts.push(mount.clone());
}
self.filtered = Some(FilteredContent {
pattern,
mounts,
selection_idx,
});
}
Ok(CmdResult::Keep)
}More examples
src/pattern/composite_pattern.rs (line 25)
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pub fn score_of_string(&self, candidate: &str) -> Option<i32> {
use PatternOperator::*;
let composite_result: Option<Option<i32>> = self.expr.eval(
// score evaluation
|pat| pat.score_of_string(candidate),
// operator
|op, a, b| {
match (op, a, b) {
(And, None, _) => None, // normally not called due to short-circuit
(And, Some(sa), Some(Some(sb))) => Some(sa + sb),
(Or, None, Some(Some(sb))) => Some(sb),
(Or, Some(sa), Some(None)) => Some(sa),
(Or, Some(sa), Some(Some(sb))) => Some(sa + sb),
(Not, Some(_), _) => None,
(Not, None, _) => Some(1),
_ => None,
}
},
// short-circuit. We don't short circuit on 'or' because
// we want to use both scores
|op, a| match (op, a) {
(And, None) => true,
_ => false,
},
);
composite_result
.unwrap_or_else(||{
warn!("unexpectedly missing result ");
None
})
}src/syntactic/syntactic_view.rs (line 149)
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176
fn read_lines(
&mut self,
dam: &mut Dam,
con: &AppContext,
no_style: bool,
) -> Result<bool, ProgramError> {
let f = File::open(&self.path)?;
{
// if we detect the file isn't mappable, we'll
// let the ZeroLenFilePreview try to read it
let mmap = unsafe { Mmap::map(&f) };
if mmap.is_err() {
return Err(ProgramError::UnmappableFile);
}
}
let md = f.metadata()?;
if md.len() == 0 {
return Err(ProgramError::ZeroLenFile);
}
let with_style = !no_style && md.len() < MAX_SIZE_FOR_STYLING;
let mut reader = BufReader::new(f);
self.lines.clear();
let mut line = String::new();
self.total_lines_count = 0;
let mut offset = 0;
let mut number = 0;
static SYNTAXER: Lazy<Syntaxer> = Lazy::new(Syntaxer::default);
let mut highlighter = if with_style {
SYNTAXER.highlighter_for(&self.path, con)
} else {
None
};
let pattern = &self.pattern.pattern;
while reader.read_line(&mut line)? > 0 {
number += 1;
self.total_lines_count += 1;
let start = offset;
offset += line.len();
for c in line.chars() {
if !is_char_printable(c) {
debug!("unprintable char: {:?}", c);
return Err(ProgramError::UnprintableFile);
}
}
// We don't remove '\n' or '\r' at this point because some syntax sets
// need them for correct detection of comments. See #477
// Those chars are removed on printing
if pattern.is_empty() || pattern.score_of_string(&line).is_some() {
let name_match = pattern.search_string(&line);
let regions = if let Some(highlighter) = highlighter.as_mut() {
highlighter
.highlight(&line, &SYNTAXER.syntax_set)
.map_err(|e| ProgramError::SyntectCrashed { details: e.to_string() })?
.iter()
.map(Region::from_syntect)
.collect()
} else {
Vec::new()
};
self.lines.push(Line {
regions,
start,
len: line.len(),
name_match,
number,
});
}
line.clear();
if dam.has_event() {
info!("event interrupted preview filtering");
return Ok(false);
}
}
Ok(true)
}sourcepub fn is_some(&self) -> bool
pub fn is_some(&self) -> bool
Examples found in repository?
More examples
src/help/help_verbs.rs (line 53)
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
pub fn matching_verb_rows<'v>(
pat: &Pattern,
con: &'v AppContext,
) -> Vec<MatchingVerbRow<'v>> {
let mut rows = Vec::new();
for verb in &con.verb_store.verbs {
if !verb.show_in_doc {
continue;
}
let mut name = None;
let mut shortcut = None;
if pat.is_some() {
let mut ok = false;
name = verb.names.get(0).and_then(|s| {
pat.search_string(s).map(|nm| {
ok = true;
nm.wrap(s, "**", "**")
})
});
shortcut = verb.names.get(1).and_then(|s| {
pat.search_string(s).map(|nm| {
ok = true;
nm.wrap(s, "**", "**")
})
});
if !ok {
continue;
}
}
rows.push(MatchingVerbRow {
name,
shortcut,
verb,
});
}
rows
}src/help/help_state.rs (line 214)
202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270
fn on_internal(
&mut self,
w: &mut W,
internal_exec: &InternalExecution,
input_invocation: Option<&VerbInvocation>,
trigger_type: TriggerType,
app_state: &mut AppState,
cc: &CmdContext,
) -> Result<CmdResult, ProgramError> {
use Internal::*;
Ok(match internal_exec.internal {
Internal::back => {
if self.pattern.is_some() {
self.pattern = Pattern::None;
CmdResult::Keep
} else {
CmdResult::PopState
}
}
help => CmdResult::Keep,
line_down | line_down_no_cycle => {
self.scroll += get_arg(input_invocation, internal_exec, 1);
CmdResult::Keep
}
line_up | line_up_no_cycle => {
let dy = get_arg(input_invocation, internal_exec, 1);
self.scroll = if self.scroll > dy {
self.scroll - dy
} else {
0
};
CmdResult::Keep
}
open_stay => match opener::open(&Conf::default_location()) {
Ok(exit_status) => {
info!("open returned with exit_status {:?}", exit_status);
CmdResult::Keep
}
Err(e) => CmdResult::DisplayError(format!("{:?}", e)),
},
// FIXME check we can't use the generic one
open_leave => {
CmdResult::from(Launchable::opener(
Conf::default_location()
))
}
page_down => {
self.scroll += self.text_area.height as usize;
CmdResult::Keep
}
page_up => {
let height = self.text_area.height as usize;
self.scroll = if self.scroll > height {
self.scroll - self.text_area.height as usize
} else {
0
};
CmdResult::Keep
}
_ => self.on_internal_generic(
w,
internal_exec,
input_invocation,
trigger_type,
app_state,
cc,
)?,
})
}sourcepub fn is_empty(&self) -> bool
pub fn is_empty(&self) -> bool
an empty pattern is one which doesn’t discriminate (it accepts everything)
Examples found in repository?
More examples
src/syntactic/syntactic_view.rs (line 149)
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fn read_lines(
&mut self,
dam: &mut Dam,
con: &AppContext,
no_style: bool,
) -> Result<bool, ProgramError> {
let f = File::open(&self.path)?;
{
// if we detect the file isn't mappable, we'll
// let the ZeroLenFilePreview try to read it
let mmap = unsafe { Mmap::map(&f) };
if mmap.is_err() {
return Err(ProgramError::UnmappableFile);
}
}
let md = f.metadata()?;
if md.len() == 0 {
return Err(ProgramError::ZeroLenFile);
}
let with_style = !no_style && md.len() < MAX_SIZE_FOR_STYLING;
let mut reader = BufReader::new(f);
self.lines.clear();
let mut line = String::new();
self.total_lines_count = 0;
let mut offset = 0;
let mut number = 0;
static SYNTAXER: Lazy<Syntaxer> = Lazy::new(Syntaxer::default);
let mut highlighter = if with_style {
SYNTAXER.highlighter_for(&self.path, con)
} else {
None
};
let pattern = &self.pattern.pattern;
while reader.read_line(&mut line)? > 0 {
number += 1;
self.total_lines_count += 1;
let start = offset;
offset += line.len();
for c in line.chars() {
if !is_char_printable(c) {
debug!("unprintable char: {:?}", c);
return Err(ProgramError::UnprintableFile);
}
}
// We don't remove '\n' or '\r' at this point because some syntax sets
// need them for correct detection of comments. See #477
// Those chars are removed on printing
if pattern.is_empty() || pattern.score_of_string(&line).is_some() {
let name_match = pattern.search_string(&line);
let regions = if let Some(highlighter) = highlighter.as_mut() {
highlighter
.highlight(&line, &SYNTAXER.syntax_set)
.map_err(|e| ProgramError::SyntectCrashed { details: e.to_string() })?
.iter()
.map(Region::from_syntect)
.collect()
} else {
Vec::new()
};
self.lines.push(Line {
regions,
start,
len: line.len(),
name_match,
number,
});
}
line.clear();
if dam.has_event() {
info!("event interrupted preview filtering");
return Ok(false);
}
}
Ok(true)
}sourcepub fn has_real_scores(&self) -> bool
pub fn has_real_scores(&self) -> bool
whether the scores are more than just 0 or 1. When it’s the case, the tree builder will look for more matching results in order to select the best ones.
Examples found in repository?
src/tree_build/builder.rs (line 279)
276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365
fn gather_lines(&mut self, total_search: bool, dam: &Dam) -> Result<Vec<BId>, TreeBuildError> {
let start = Instant::now();
let mut out_blines: Vec<BId> = Vec::new(); // the blines we want to display
let optimal_size = if self.options.pattern.pattern.has_real_scores() {
10 * self.targeted_size
} else {
self.targeted_size
};
out_blines.push(self.root_id);
let mut nb_lines_ok = 1; // in out_blines
let mut open_dirs: VecDeque<BId> = VecDeque::new();
let mut next_level_dirs: Vec<BId> = Vec::new();
self.load_children(self.root_id);
open_dirs.push_back(self.root_id);
loop {
if !total_search && (
(nb_lines_ok > optimal_size)
|| (nb_lines_ok >= self.targeted_size && start.elapsed() > NOT_LONG)
) {
self.total_search = false;
break;
}
if let Some(max) = self.matches_max {
if nb_lines_ok > max {
return Err(TreeBuildError::TooManyMatches{max});
}
}
if let Some(open_dir_id) = open_dirs.pop_front() {
if let Some(child_id) = self.next_child(open_dir_id) {
open_dirs.push_back(open_dir_id);
let child = &self.blines[child_id];
if child.has_match {
nb_lines_ok += 1;
}
if child.can_enter() {
next_level_dirs.push(child_id);
}
out_blines.push(child_id);
}
} else {
// this depth is finished, we must go deeper
if self.options.sort.prevent_deep_display() {
// in sort mode, only one level is displayed
break;
}
if next_level_dirs.is_empty() {
// except there's nothing deeper
break;
}
for next_level_dir_id in &next_level_dirs {
if dam.has_event() {
info!("task expired (core build - inner loop)");
return Err(TreeBuildError::Interrupted);
}
let has_child_match = self.load_children(*next_level_dir_id);
if has_child_match {
// we must ensure the ancestors are made Ok
let mut id = *next_level_dir_id;
loop {
let mut bline = &mut self.blines[id];
if !bline.has_match {
bline.has_match = true;
nb_lines_ok += 1;
}
if let Some(pid) = bline.parent_id {
id = pid;
} else {
break;
}
}
}
open_dirs.push_back(*next_level_dir_id);
}
next_level_dirs.clear();
}
}
if let Some(max) = self.matches_max {
if nb_lines_ok > max {
return Err(TreeBuildError::TooManyMatches{max});
}
}
if !self.trim_root {
// if the root directory isn't totally read, we finished it even
// it it goes past the bottom of the screen
while let Some(child_id) = self.next_child(self.root_id) {
out_blines.push(child_id);
}
}
Ok(out_blines)
}