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refactor: extract methods for converting output format from/to file extension

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This commit is contained in:
Jon Heinritz 2025-06-24 16:26:41 +02:00
parent c4f5ba84d1
commit 0369b83013
2 changed files with 27 additions and 18 deletions
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22
crates/typst-cli/src/args.rs
View File

@ -1,3 +1,4 @@
use std::ffi::OsStr;
use std::fmt::{self, Display, Formatter};
use std::num::NonZeroUsize;
use std::ops::RangeInclusive;
@ -443,6 +444,27 @@ pub enum OutputFormat {
Html,
}
impl OutputFormat {
pub fn from_file_ext(ext: &OsStr) -> Option<Self> {
match ext {
ext if ext.eq_ignore_ascii_case("pdf") => Some(OutputFormat::Pdf),
ext if ext.eq_ignore_ascii_case("png") => Some(OutputFormat::Png),
ext if ext.eq_ignore_ascii_case("svg") => Some(OutputFormat::Svg),
ext if ext.eq_ignore_ascii_case("html") => Some(OutputFormat::Html),
_ => None,
}
}
pub fn as_file_ext(&self) -> &'static str {
match self {
Self::Pdf => "pdf",
Self::Png => "png",
Self::Svg => "svg",
Self::Html => "html",
}
}
}
display_possible_values!(OutputFormat);
/// Which format to use for diagnostics.

23
crates/typst-cli/src/compile.rs
View File

@ -96,12 +96,9 @@ impl CompileConfig {
let output_format = if let Some(specified) = args.format {
specified
} else if let Some(Output::Path(output)) = &args.output {
match output.extension() {
Some(ext) if ext.eq_ignore_ascii_case("pdf") => OutputFormat::Pdf,
Some(ext) if ext.eq_ignore_ascii_case("png") => OutputFormat::Png,
Some(ext) if ext.eq_ignore_ascii_case("svg") => OutputFormat::Svg,
Some(ext) if ext.eq_ignore_ascii_case("html") => OutputFormat::Html,
_ => bail!(
match output.extension().and_then(OutputFormat::from_file_ext) {
Some(format) => format,
None => bail!(
"could not infer output format for path {}.\n\
consider providing the format manually with `--format/-f`",
output.display()
@ -116,12 +113,7 @@ impl CompileConfig {
let Input::Path(path) = &input else {
panic!("output must be specified when input is from stdin, as guarded by the CLI");
};
Output::Path(path.with_extension(match output_format {
OutputFormat::Pdf => "pdf",
OutputFormat::Png => "png",
OutputFormat::Svg => "svg",
OutputFormat::Html => "html",
}))
Output::Path(path.with_extension(output_format.as_file_ext()))
}
// Check if a [`Path`] has a trailing `/` (or on `windows` a `\`) character,
// indicating that the output should be written to `{output}/{input_file_name}.{ext}`
@ -146,12 +138,7 @@ impl CompileConfig {
})?;
path.push(file_name);
path.set_extension(match output_format {
OutputFormat::Pdf => "pdf",
OutputFormat::Png => "png",
OutputFormat::Svg => "svg",
OutputFormat::Html => "html",
});
path.set_extension(output_format.as_file_ext());
Output::Path(path)
}
Some(output) => output,