91 lines
2.7 KiB
Rust
91 lines
2.7 KiB
Rust
use crate::renderer::context_element::ContextElement;
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use std::error;
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use std::fmt;
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pub enum RenderError<'a> {
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Generic(String),
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/// For when walking is absolutely impossible
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CantWalk {
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segment: String,
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elem: &'a dyn ContextElement,
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},
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/// For when walking fails (example, a missing key on a map)
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WontWalk {
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segment: String,
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elem: &'a dyn ContextElement,
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},
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NotFound {
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path: &'a Vec<&'a str>,
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breadcrumbs: Vec<&'a dyn ContextElement>,
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},
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/// Attempting to render and unrenderable type (for example, an object without any filters)
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CantRender {
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elem: &'a dyn ContextElement,
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},
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}
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#[derive(Clone)]
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pub struct CompileError {
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pub message: String,
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}
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impl fmt::Display for RenderError<'_> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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RenderError::Generic(msg) => write!(f, "{}", msg),
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RenderError::CantWalk { segment, elem } => {
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write!(f, "Tried to walk to {} from {:?}", segment, elem)
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}
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RenderError::WontWalk { segment, elem } => {
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write!(f, "Failed to walk to {} from {:?}", segment, elem)
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}
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RenderError::CantRender { elem } => write!(f, "Cant render {:?}", elem),
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RenderError::NotFound { path, breadcrumbs } => {
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write!(f, "Could not find {:?} in {:?}", path, breadcrumbs)
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}
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}
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}
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}
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impl fmt::Debug for RenderError<'_> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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RenderError::Generic(msg) => write!(f, "{}", msg),
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RenderError::CantWalk { segment, elem } => {
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write!(f, "Tried to walk to {} from {:?}", segment, elem)
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}
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RenderError::WontWalk { segment, elem } => {
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write!(f, "Failed to walk to {} from {:?}", segment, elem)
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}
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RenderError::CantRender { elem } => write!(f, "Cant render {:?}", elem),
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RenderError::NotFound { path, breadcrumbs } => {
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write!(f, "Could not find {:?} in {:?}", path, breadcrumbs)
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}
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}
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}
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}
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impl error::Error for RenderError<'_> {
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fn source(&self) -> Option<&(dyn error::Error + 'static)> {
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None
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}
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}
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impl fmt::Display for CompileError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "Error compiling: {}", self.message)
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}
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}
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impl fmt::Debug for CompileError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "Error compiling: {}", self.message)
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}
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}
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impl error::Error for CompileError {
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fn source(&self) -> Option<&(dyn error::Error + 'static)> {
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None
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}
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}
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