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Add support for formatted markdown output

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This patch also removes the (unused) "compile" subcommand and replaces
it with a flag "-c" / "--compile" which prints the output in formatted
to the terminal.

Compiling the output from markdown to HTML and showing in the browser is
not yet possible.
This commit is contained in:
Matthias Beyer 2018-04-24 15:23:32 +02:00
parent d12844aff0
commit c2fd3fa94e
3 changed files with 44 additions and 42 deletions
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5
bin/core/imag-view/Cargo.toml
View file

@ -31,9 +31,12 @@ tempfile = "2.1"
libimagstore = { version = "0.8.0", path = "../../../lib/core/libimagstore" }
libimagrt = { version = "0.8.0", path = "../../../lib/core/libimagrt" }
libimagerror = { version = "0.8.0", path = "../../../lib/core/libimagerror" }
libimagentryview = { version = "0.8.0", path = "../../../lib/entry/libimagentryview" }
libimagutil = { version = "0.8.0", path = "../../../lib/etc/libimagutil" }
[dependencies.libimagentryview]
version = "0.8.0"
path = "../../../lib/entry/libimagentryview"
[dependencies.clap]
version = "^2.29"
default-features = false

51
bin/core/imag-view/src/main.rs
View file

@ -62,6 +62,7 @@ use libimagerror::str::ErrFromStr;
use libimagerror::trace::MapErrTrace;
use libimagerror::iter::TraceIterator;
use libimagentryview::builtin::stdout::StdoutViewer;
use libimagentryview::builtin::md::MarkdownViewer;
use libimagentryview::viewer::Viewer;
use libimagentryview::error::ViewError as VE;
use libimagstore::storeid::IntoStoreId;
@ -171,24 +172,7 @@ fn main() {
drop(files);
} else {
let mut viewer = StdoutViewer::new(view_header, !hide_content);
if rt.cli().occurrences_of("autowrap") != 0 {
let width = rt.cli().value_of("autowrap").unwrap(); // ensured by clap
let width = usize::from_str(width).unwrap_or_else(|e| {
error!("Failed to parse argument to number: autowrap = {:?}",
rt.cli().value_of("autowrap").map(String::from));
error!("-> {:?}", e);
::std::process::exit(1)
});
viewer.wrap_at(width);
}
let output = rt.stdout();
let mut lockout = output.lock();
entry_ids
let iter = entry_ids
.into_iter()
.into_get_iter(rt.store())
.map(|e| {
@ -196,10 +180,35 @@ fn main() {
.ok_or_else(|| String::from("Entry not found"))
.map_err(StoreError::from)
.map_err_trace_exit_unwrap(1)
})
.for_each(|e| {
viewer.view_entry(&e, &mut lockout).map_err_trace_exit_unwrap(1);
});
let out = rt.stdout();
let mut outlock = out.lock();
if rt.cli().is_present("compile-md") {
let viewer = MarkdownViewer::new(&rt);
for entry in iter {
viewer.view_entry(&entry, &mut outlock).map_err_trace_exit_unwrap(1);
}
} else {
let mut viewer = StdoutViewer::new(view_header, !hide_content);
if rt.cli().occurrences_of("autowrap") != 0 {
let width = rt.cli().value_of("autowrap").unwrap(); // ensured by clap
let width = usize::from_str(width).unwrap_or_else(|e| {
error!("Failed to parse argument to number: autowrap = {:?}",
rt.cli().value_of("autowrap").map(String::from));
error!("-> {:?}", e);
::std::process::exit(1)
});
viewer.wrap_at(width);
}
for entry in iter {
viewer.view_entry(&entry, &mut outlock).map_err_trace_exit_unwrap(1);
}
}
}
}

30
bin/core/imag-view/src/ui.rs
View file

@ -17,7 +17,7 @@
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
use clap::{Arg, ArgGroup, App, SubCommand};
use clap::{Arg, ArgGroup, App};
pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
app
@ -64,6 +64,15 @@ pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
.required(false)
.help("Do not view content"))
.arg(Arg::with_name("compile-md")
.long("compile")
.short("c")
.takes_value(false)
.required(false)
.help("Do compile markdown to be nice")
.conflicts_with("not-view-content")
.conflicts_with("autowrap")) // markdown viewer does not support wrapping
.arg(Arg::with_name("in")
.long("in")
.takes_value(true)
@ -71,23 +80,4 @@ pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
.multiple(false)
.help("View content. If no value is given, this fails. Possible viewers are configured via the config file."))
.subcommand(SubCommand::with_name("compile")
.about("Compile content to other format for viewing, implies that the entry gets copied to /tmp")
.version("0.1")
.arg(Arg::with_name("from")
.long("from")
.short("f")
.takes_value(true) // "markdown" or "textile" or "restructuredtex"
.required(true)
.help("Compile from")
.value_name("FORMAT"))
.arg(Arg::with_name("to")
.long("to")
.short("t")
.takes_value(true) // "html" or "HTML" or ... json maybe?
.required(true)
.help("Compile to")
.value_name("FORMAT"))
)
}