Reimplement behaviour in imag-header

This patch changes imag-header to do not printing of the found values,
but simply filtering.

Chaining can then be used to read the values:

    imag ids | imag header string "imag.version" | imag header read "imag.version"

for example.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2019-07-28 11:49:55 +02:00
parent 121124b3ae
commit fc5bfb43bf

View file

@ -53,6 +53,7 @@ use filters::filter::Filter;
use failure::Error;
use libimagerror::exit::ExitCode;
use libimagerror::exit::ExitUnwrap;
use libimagerror::io::ToExitCode;
use libimagerror::iter::TraceIterator;
use libimagerror::trace::MapErrTrace;
@ -63,6 +64,8 @@ use libimagstore::store::FileLockEntry;
use libimagstore::storeid::StoreIdIterator;
use toml_query::read::TomlValueReadExt;
use toml_query::read::TomlValueReadTypeExt;
mod ui;
@ -95,8 +98,8 @@ fn main() {
.trace_unwrap_exit()
.filter_map(|x| x);
let exit_code = match rt.cli().subcommand() {
("read", Some(mtch)) => read(&rt, mtch, iter),
match rt.cli().subcommand() {
("read", Some(mtch)) => ::std::process::exit(read(&rt, mtch, iter)),
("has", Some(mtch)) => has(&rt, mtch, iter),
("hasnt", Some(mtch)) => hasnt(&rt, mtch, iter),
("int", Some(mtch)) => int(&rt, mtch, iter),
@ -105,14 +108,14 @@ fn main() {
("bool", Some(mtch)) => boolean(&rt, mtch, iter),
(other, _mtchs) => {
debug!("Unknown command");
rt.handle_unknown_subcommand("imag-header", other, rt.cli())
.map_err_trace_exit_unwrap()
.code()
.unwrap_or(1)
::std::process::exit({
rt.handle_unknown_subcommand("imag-header", other, rt.cli())
.map_err_trace_exit_unwrap()
.code()
.unwrap_or(1)
});
},
};
::std::process::exit(exit_code)
}
}
fn read<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
@ -143,47 +146,40 @@ fn read<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
})
}
fn has<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
fn has<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I)
where I: Iterator<Item = FileLockEntry<'e>>
{
debug!("Processing headers: has value");
let header_path = get_header_path(mtch, "header-value-path");
let mut output = rt.stdout();
iter.fold(0, |accu, entry| {
iter.for_each(|entry| {
trace!("Processing headers: working on {:?}", entry.get_location());
let value = entry.get_header()
if entry.get_header()
.read(header_path)
.map_err(Error::from)
.map_err_trace_exit_unwrap()
.is_some();
writeln!(output, "{} - {}", entry.get_location(), value)
.to_exit_code()
.map(|_| if value { accu } else { 1 })
.unwrap_or_else(ExitCode::code)
.is_some()
{
rt.report_touched(entry.get_location()).unwrap_or_exit();
}
})
}
fn hasnt<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
fn hasnt<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I)
where I: Iterator<Item = FileLockEntry<'e>>
{
debug!("Processing headers: hasnt value");
let header_path = get_header_path(mtch, "header-value-path");
let mut output = rt.stdout();
iter.fold(0, |accu, entry| {
iter.for_each(|entry| {
trace!("Processing headers: working on {:?}", entry.get_location());
let value = entry.get_header()
if entry.get_header()
.read(header_path)
.map_err(Error::from)
.map_err_trace_exit_unwrap()
.is_none();
writeln!(output, "{} - {}", entry.get_location(), value)
.to_exit_code()
.map(|_| if value { accu } else { 1 })
.unwrap_or_else(ExitCode::code)
.is_none() {
rt.report_touched(entry.get_location()).unwrap_or_exit();
}
})
}
@ -200,12 +196,11 @@ macro_rules! implement_compare {
}}
}
fn int<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
fn int<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I)
where I: Iterator<Item = FileLockEntry<'e>>
{
debug!("Processing headers: int value");
let header_path = get_header_path(mtch, "header-value-path");
let mut output = rt.stdout();
let filter = ::filters::ops::bool::Bool::new(true)
.and(|i: &i64| -> bool {
@ -227,32 +222,23 @@ fn int<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
implement_compare!(mtch, "header-int-gte", i64, |cmp| *i >= cmp)
});
iter.fold(0, |accu, entry| {
trace!("Processing headers: working on {:?}", entry.get_location());
if let Some(v) = entry.get_header()
.read(header_path)
iter.filter(|entry| if let Some(hdr) = entry.get_header()
.read_int(header_path)
.map_err(Error::from)
.map_err_trace_exit_unwrap()
{
match v {
::toml::Value::Integer(i) => if filter.filter(&i) {
writeln!(output, "{} - {}", entry.get_location(), i)
.to_exit_code()
.map(|_| accu)
.unwrap_or_else(ExitCode::code)
} else { 1 },
_ => 1
}
} else { 1 }
})
filter.filter(&hdr)
} else {
false
})
.for_each(|entry| rt.report_touched(entry.get_location()).unwrap_or_exit())
}
fn float<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
fn float<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I)
where I: Iterator<Item = FileLockEntry<'e>>
{
debug!("Processing headers: float value");
let header_path = get_header_path(mtch, "header-value-path");
let mut output = rt.stdout();
let filter = ::filters::ops::bool::Bool::new(true)
.and(|i: &f64| -> bool {
@ -274,32 +260,23 @@ fn float<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
implement_compare!(mtch, "header-float-gte", f64, |cmp| *i >= cmp)
});
iter.fold(0, |accu, entry| {
trace!("Processing headers: working on {:?}", entry.get_location());
if let Some(v) = entry.get_header()
.read(header_path)
iter.filter(|entry| if let Some(hdr) = entry.get_header()
.read_float(header_path)
.map_err(Error::from)
.map_err_trace_exit_unwrap()
{
match v {
::toml::Value::Float(i) => if filter.filter(&i) {
writeln!(output, "{} - {}", entry.get_location(), i)
.to_exit_code()
.map(|_| accu)
.unwrap_or_else(ExitCode::code)
} else { 1 },
_ => 1
}
} else { 1 }
})
filter.filter(&hdr)
} else {
false
})
.for_each(|entry| rt.report_touched(entry.get_location()).unwrap_or_exit())
}
fn string<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
fn string<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I)
where I: Iterator<Item = FileLockEntry<'e>>
{
debug!("Processing headers: string value");
let header_path = get_header_path(mtch, "header-value-path");
let mut output = rt.stdout();
let filter = ::filters::ops::bool::Bool::new(true)
.and(|i: &String| -> bool {
@ -309,55 +286,38 @@ fn string<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
implement_compare!(mtch, "header-string-neq", String, |cmp| *i != cmp)
});
iter.fold(0, |accu, entry| {
trace!("Processing headers: working on {:?}", entry.get_location());
if let Some(v) = entry.get_header()
.read(header_path)
iter.filter(|entry| if let Some(hdr) = entry.get_header()
.read_string(header_path)
.map_err(Error::from)
.map_err_trace_exit_unwrap()
{
match v {
::toml::Value::String(s) => if filter.filter(&s) {
writeln!(output, "{} - {}", entry.get_location(), s)
.to_exit_code()
.map(|_| accu)
.unwrap_or_else(ExitCode::code)
} else { 1 },
_ => 1
}
} else { 1 }
})
filter.filter(&hdr)
} else {
false
})
.for_each(|entry| rt.report_touched(entry.get_location()).unwrap_or_exit())
}
fn boolean<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I) -> i32
fn boolean<'a, 'e, I>(rt: &Runtime, mtch: &ArgMatches<'a>, iter: I)
where I: Iterator<Item = FileLockEntry<'e>>
{
debug!("Processing headers: bool value");
let header_path = get_header_path(mtch, "header-value-path");
let mut output = rt.stdout();
let filter = ::filters::ops::bool::Bool::new(true)
.and(|i: &bool| -> bool { *i })
.and(|i: &bool| -> bool { *i });
iter.fold(0, |accu, entry| {
trace!("Processing headers: working on {:?}", entry.get_location());
if let Some(v) = entry.get_header()
.read(header_path)
iter.filter(|entry| if let Some(hdr) = entry.get_header()
.read_bool(header_path)
.map_err(Error::from)
.map_err_trace_exit_unwrap()
{
match v {
::toml::Value::Boolean(b) => if filter.filter(&b) {
writeln!(output, "{} - {}", entry.get_location(), b)
.to_exit_code()
.map(|_| accu)
.unwrap_or_else(ExitCode::code)
} else { 1 },
_ => 1
}
} else { 1 }
})
filter.filter(&hdr)
} else {
false
})
.for_each(|entry| rt.report_touched(entry.get_location()).unwrap_or_exit())
}