blob: 0a18bd18491a0b2100e99127a2f3647b0a3e021c [file] [log] [blame]
use std::borrow::Cow;
use bstr::BStr;
use crate::{file::MetadataFilter, value, File};
/// Comfortable API for accessing values
impl<'event> File<'event> {
/// Like [`value()`][File::value()], but returning `None` if the string wasn't found.
///
/// As strings perform no conversions, this will never fail.
pub fn string(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
) -> Option<Cow<'_, BStr>> {
self.string_filter(section_name, subsection_name, key, &mut |_| true)
}
/// Like [`string()`][File::string()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn string_by_key<'a>(&self, key: impl Into<&'a BStr>) -> Option<Cow<'_, BStr>> {
self.string_filter_by_key(key, &mut |_| true)
}
/// Like [`string()`][File::string()], but the section containing the returned value must pass `filter` as well.
pub fn string_filter(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
filter: &mut MetadataFilter,
) -> Option<Cow<'_, BStr>> {
self.raw_value_filter(section_name.as_ref(), subsection_name, key.as_ref(), filter)
.ok()
}
/// Like [`string_filter()`][File::string_filter()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn string_filter_by_key<'a>(
&self,
key: impl Into<&'a BStr>,
filter: &mut MetadataFilter,
) -> Option<Cow<'_, BStr>> {
let key = crate::parse::key(key.into())?;
self.raw_value_filter(key.section_name, key.subsection_name, key.value_name, filter)
.ok()
}
/// Like [`value()`][File::value()], but returning `None` if the path wasn't found.
///
/// Note that this path is not vetted and should only point to resources which can't be used
/// to pose a security risk. Prefer using [`path_filter()`][File::path_filter()] instead.
///
/// As paths perform no conversions, this will never fail.
pub fn path(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
) -> Option<crate::Path<'_>> {
self.path_filter(section_name, subsection_name, key, &mut |_| true)
}
/// Like [`path()`][File::path()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn path_by_key<'a>(&self, key: impl Into<&'a BStr>) -> Option<crate::Path<'_>> {
self.path_filter_by_key(key, &mut |_| true)
}
/// Like [`path()`][File::path()], but the section containing the returned value must pass `filter` as well.
///
/// This should be the preferred way of accessing paths as those from untrusted
/// locations can be
///
/// As paths perform no conversions, this will never fail.
pub fn path_filter(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
filter: &mut MetadataFilter,
) -> Option<crate::Path<'_>> {
self.raw_value_filter(section_name.as_ref(), subsection_name, key.as_ref(), filter)
.ok()
.map(crate::Path::from)
}
/// Like [`path_filter()`][File::path_filter()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn path_filter_by_key<'a>(
&self,
key: impl Into<&'a BStr>,
filter: &mut MetadataFilter,
) -> Option<crate::Path<'_>> {
let key = crate::parse::key(key.into())?;
self.path_filter(key.section_name, key.subsection_name, key.value_name, filter)
}
/// Like [`value()`][File::value()], but returning `None` if the boolean value wasn't found.
pub fn boolean(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
) -> Option<Result<bool, value::Error>> {
self.boolean_filter(section_name, subsection_name, key, &mut |_| true)
}
/// Like [`boolean()`][File::boolean()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn boolean_by_key<'a>(&self, key: impl Into<&'a BStr>) -> Option<Result<bool, value::Error>> {
self.boolean_filter_by_key(key, &mut |_| true)
}
/// Like [`boolean()`][File::boolean()], but the section containing the returned value must pass `filter` as well.
pub fn boolean_filter(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
filter: &mut MetadataFilter,
) -> Option<Result<bool, value::Error>> {
let section_name = section_name.as_ref();
let section_ids = self
.section_ids_by_name_and_subname(section_name, subsection_name)
.ok()?;
let key = key.as_ref();
for section_id in section_ids.rev() {
let section = self.sections.get(&section_id).expect("known section id");
if !filter(section.meta()) {
continue;
}
match section.value_implicit(key) {
Some(Some(v)) => return Some(crate::Boolean::try_from(v).map(Into::into)),
Some(None) => return Some(Ok(true)),
None => continue,
}
}
None
}
/// Like [`boolean_filter()`][File::boolean_filter()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn boolean_filter_by_key<'a>(
&self,
key: impl Into<&'a BStr>,
filter: &mut MetadataFilter,
) -> Option<Result<bool, value::Error>> {
let key = crate::parse::key(key.into())?;
self.boolean_filter(key.section_name, key.subsection_name, key.value_name, filter)
}
/// Like [`value()`][File::value()], but returning an `Option` if the integer wasn't found.
pub fn integer(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
) -> Option<Result<i64, value::Error>> {
self.integer_filter(section_name, subsection_name, key, &mut |_| true)
}
/// Like [`integer()`][File::integer()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn integer_by_key<'a>(&self, key: impl Into<&'a BStr>) -> Option<Result<i64, value::Error>> {
self.integer_filter_by_key(key, &mut |_| true)
}
/// Like [`integer()`][File::integer()], but the section containing the returned value must pass `filter` as well.
pub fn integer_filter(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
filter: &mut MetadataFilter,
) -> Option<Result<i64, value::Error>> {
let int = self
.raw_value_filter(section_name.as_ref(), subsection_name, key.as_ref(), filter)
.ok()?;
Some(crate::Integer::try_from(int.as_ref()).and_then(|b| {
b.to_decimal()
.ok_or_else(|| value::Error::new("Integer overflow", int.into_owned()))
}))
}
/// Like [`integer_filter()`][File::integer_filter()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn integer_filter_by_key<'a>(
&self,
key: impl Into<&'a BStr>,
filter: &mut MetadataFilter,
) -> Option<Result<i64, value::Error>> {
let key = crate::parse::key(key.into())?;
self.integer_filter(key.section_name, key.subsection_name, key.value_name, filter)
}
/// Similar to [`values(…)`][File::values()] but returning strings if at least one of them was found.
pub fn strings(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
) -> Option<Vec<Cow<'_, BStr>>> {
self.raw_values(section_name.as_ref(), subsection_name, key.as_ref())
.ok()
}
/// Like [`strings()`][File::strings()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn strings_by_key<'a>(&self, key: impl Into<&'a BStr>) -> Option<Vec<Cow<'_, BStr>>> {
let key = crate::parse::key(key.into())?;
self.strings(key.section_name, key.subsection_name, key.value_name)
}
/// Similar to [`strings(…)`][File::strings()], but all values are in sections that passed `filter`.
pub fn strings_filter(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
filter: &mut MetadataFilter,
) -> Option<Vec<Cow<'_, BStr>>> {
self.raw_values_filter(section_name.as_ref(), subsection_name, key.as_ref(), filter)
.ok()
}
/// Like [`strings_filter()`][File::strings_filter()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn strings_filter_by_key<'a>(
&self,
key: impl Into<&'a BStr>,
filter: &mut MetadataFilter,
) -> Option<Vec<Cow<'_, BStr>>> {
let key = crate::parse::key(key.into())?;
self.strings_filter(key.section_name, key.subsection_name, key.value_name, filter)
}
/// Similar to [`values(…)`][File::values()] but returning integers if at least one of them was found
/// and if none of them overflows.
pub fn integers(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
) -> Option<Result<Vec<i64>, value::Error>> {
self.integers_filter(section_name, subsection_name, key, &mut |_| true)
}
/// Like [`integers()`][File::integers()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn integers_by_key<'a>(&self, key: impl Into<&'a BStr>) -> Option<Result<Vec<i64>, value::Error>> {
self.integers_filter_by_key(key, &mut |_| true)
}
/// Similar to [`integers(…)`][File::integers()] but all integers are in sections that passed `filter`
/// and that are not overflowing.
pub fn integers_filter(
&self,
section_name: impl AsRef<str>,
subsection_name: Option<&BStr>,
key: impl AsRef<str>,
filter: &mut MetadataFilter,
) -> Option<Result<Vec<i64>, value::Error>> {
self.raw_values_filter(section_name.as_ref(), subsection_name, key.as_ref(), filter)
.ok()
.map(|values| {
values
.into_iter()
.map(|v| {
crate::Integer::try_from(v.as_ref()).and_then(|int| {
int.to_decimal()
.ok_or_else(|| value::Error::new("Integer overflow", v.into_owned()))
})
})
.collect()
})
}
/// Like [`integers_filter()`][File::integers_filter()], but suitable for statically known `key`s like `remote.origin.url`.
pub fn integers_filter_by_key<'a>(
&self,
key: impl Into<&'a BStr>,
filter: &mut MetadataFilter,
) -> Option<Result<Vec<i64>, value::Error>> {
let key = crate::parse::key(key.into())?;
self.integers_filter(key.section_name, key.subsection_name, key.value_name, filter)
}
}