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https://pyrossh.dev/repos/rust-embed.git
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rust macro which loads files into the rust binary at compile time during release and loads the file from the fs during dev.
e269d1c5
—
Mark Drobnak 6 years ago
Merge pull request #70 from pyros2097/fix/better-error-messages
- impl/src/lib.rs +3 -7
impl/src/lib.rs
CHANGED
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@@ -105,15 +105,11 @@ fn generate_assets(ident: &syn::Ident, folder_path: String) -> quote::Tokens {
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105
105
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}
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}
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108
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-
fn help() -> ! {
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109
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-
panic!("#[derive(RustEmbed)] should contain one attribute like this #[folder = \"examples/public/\"]");
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110
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-
}
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111
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-
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fn impl_rust_embed(ast: &syn::DeriveInput) -> Tokens {
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109
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match ast.body {
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114
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-
Body::Enum(_) =>
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110
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+
Body::Enum(_) => panic!("RustEmbed cannot be derived for enums"),
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111
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Body::Struct(ref data) => match data {
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116
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-
&VariantData::Struct(_) =>
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112
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+
&VariantData::Struct(_) => panic!("RustEmbed can only be derived for unit structs"),
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_ => {}
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},
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};
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@@ -121,7 +117,7 @@ fn impl_rust_embed(ast: &syn::DeriveInput) -> Tokens {
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let attribute = ast.attrs.iter().map(|attr| &attr.value).find(|value| value.name() == "folder");
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118
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let literal_value = match attribute {
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119
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Some(&MetaItem::NameValue(_, ref literal)) => literal,
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124
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-
_ =>
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120
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+
_ => panic!("#[derive(RustEmbed)] should contain one attribute like this #[folder = \"examples/public/\"]"),
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121
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};
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let folder_path = match literal_value {
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123
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&Lit::Str(ref val, _) => val.clone(),
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