diff options
Diffstat (limited to 'vendor/miette/src/handlers/json.rs')
| -rw-r--r-- | vendor/miette/src/handlers/json.rs | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/vendor/miette/src/handlers/json.rs b/vendor/miette/src/handlers/json.rs deleted file mode 100644 index 29e21a0..0000000 --- a/vendor/miette/src/handlers/json.rs +++ /dev/null @@ -1,182 +0,0 @@ -use std::fmt::{self, Write}; - -use crate::{ - diagnostic_chain::DiagnosticChain, protocol::Diagnostic, ReportHandler, Severity, SourceCode, -}; - -/** -[`ReportHandler`] that renders JSON output. It's a machine-readable output. -*/ -#[derive(Debug, Clone)] -pub struct JSONReportHandler; - -impl JSONReportHandler { - /// Create a new [`JSONReportHandler`]. There are no customization - /// options. - pub const fn new() -> Self { - Self - } -} - -impl Default for JSONReportHandler { - fn default() -> Self { - Self::new() - } -} - -struct Escape<'a>(&'a str); - -impl fmt::Display for Escape<'_> { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - for c in self.0.chars() { - let escape = match c { - '\\' => Some(r"\\"), - '"' => Some(r#"\""#), - '\r' => Some(r"\r"), - '\n' => Some(r"\n"), - '\t' => Some(r"\t"), - '\u{08}' => Some(r"\b"), - '\u{0c}' => Some(r"\f"), - _ => None, - }; - if let Some(escape) = escape { - f.write_str(escape)?; - } else { - f.write_char(c)?; - } - } - Ok(()) - } -} - -const fn escape(input: &'_ str) -> Escape<'_> { - Escape(input) -} - -impl JSONReportHandler { - /// Render a [`Diagnostic`]. This function is mostly internal and meant to - /// be called by the toplevel [`ReportHandler`] handler, but is made public - /// to make it easier (possible) to test in isolation from global state. - pub fn render_report( - &self, - f: &mut impl fmt::Write, - diagnostic: &(dyn Diagnostic), - ) -> fmt::Result { - self._render_report(f, diagnostic, None) - } - - fn _render_report( - &self, - f: &mut impl fmt::Write, - diagnostic: &(dyn Diagnostic), - parent_src: Option<&dyn SourceCode>, - ) -> fmt::Result { - write!(f, r#"{{"message": "{}","#, escape(&diagnostic.to_string()))?; - if let Some(code) = diagnostic.code() { - write!(f, r#""code": "{}","#, escape(&code.to_string()))?; - } - let severity = match diagnostic.severity() { - Some(Severity::Error) | None => "error", - Some(Severity::Warning) => "warning", - Some(Severity::Advice) => "advice", - }; - write!(f, r#""severity": "{:}","#, severity)?; - if let Some(cause_iter) = diagnostic - .diagnostic_source() - .map(DiagnosticChain::from_diagnostic) - .or_else(|| diagnostic.source().map(DiagnosticChain::from_stderror)) - { - write!(f, r#""causes": ["#)?; - let mut add_comma = false; - for error in cause_iter { - if add_comma { - write!(f, ",")?; - } else { - add_comma = true; - } - write!(f, r#""{}""#, escape(&error.to_string()))?; - } - write!(f, "],")? - } else { - write!(f, r#""causes": [],"#)?; - } - if let Some(url) = diagnostic.url() { - write!(f, r#""url": "{}","#, &url.to_string())?; - } - if let Some(help) = diagnostic.help() { - write!(f, r#""help": "{}","#, escape(&help.to_string()))?; - } - let src = diagnostic.source_code().or(parent_src); - if let Some(src) = src { - self.render_snippets(f, diagnostic, src)?; - } - if let Some(labels) = diagnostic.labels() { - write!(f, r#""labels": ["#)?; - let mut add_comma = false; - for label in labels { - if add_comma { - write!(f, ",")?; - } else { - add_comma = true; - } - write!(f, "{{")?; - if let Some(label_name) = label.label() { - write!(f, r#""label": "{}","#, escape(label_name))?; - } - write!(f, r#""span": {{"#)?; - write!(f, r#""offset": {},"#, label.offset())?; - write!(f, r#""length": {}"#, label.len())?; - - write!(f, "}}}}")?; - } - write!(f, "],")?; - } else { - write!(f, r#""labels": [],"#)?; - } - if let Some(relateds) = diagnostic.related() { - write!(f, r#""related": ["#)?; - let mut add_comma = false; - for related in relateds { - if add_comma { - write!(f, ",")?; - } else { - add_comma = true; - } - self._render_report(f, related, src)?; - } - write!(f, "]")?; - } else { - write!(f, r#""related": []"#)?; - } - write!(f, "}}") - } - - fn render_snippets( - &self, - f: &mut impl fmt::Write, - diagnostic: &(dyn Diagnostic), - source: &dyn SourceCode, - ) -> fmt::Result { - if let Some(mut labels) = diagnostic.labels() { - if let Some(label) = labels.next() { - if let Ok(span_content) = source.read_span(label.inner(), 0, 0) { - let filename = span_content.name().unwrap_or_default(); - return write!(f, r#""filename": "{}","#, escape(filename)); - } - } - } - write!(f, r#""filename": "","#) - } -} - -impl ReportHandler for JSONReportHandler { - fn debug(&self, diagnostic: &(dyn Diagnostic), f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.render_report(f, diagnostic) - } -} - -#[test] -fn test_escape() { - assert_eq!(escape("a\nb").to_string(), r"a\nb"); - assert_eq!(escape("C:\\Miette").to_string(), r"C:\\Miette"); -} |