mirror of
https://github.com/nushell/nushell.git
synced 2024-12-03 22:06:54 +01:00
43 lines
1.3 KiB
Rust
43 lines
1.3 KiB
Rust
mod char_;
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mod detect_columns;
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mod encode_decode;
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mod format;
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mod parse;
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mod size;
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mod split;
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mod str_;
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pub use char_::Char;
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pub use detect_columns::*;
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pub use encode_decode::*;
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pub use format::*;
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pub use parse::*;
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pub use size::Size;
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pub use split::*;
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pub use str_::*;
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use nu_protocol::{ast::Call, ShellError};
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// For handling the grapheme_cluster related flags on some commands.
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// This ensures the error messages are consistent.
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pub fn grapheme_flags(call: &Call) -> Result<bool, ShellError> {
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let g_flag = call.has_flag("grapheme-clusters");
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// Check for the other flags and produce errors if they exist.
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// Note that Nushell already prevents nonexistent flags from being used with commands,
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// so this function can be reused for both the --utf-8-bytes commands and the --code-points commands.
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if g_flag && call.has_flag("utf-8-bytes") {
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Err(ShellError::IncompatibleParametersSingle(
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"Incompatible flags: --grapheme-clusters (-g) and --utf-8-bytes (-b)".to_string(),
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call.head,
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))?
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}
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if g_flag && call.has_flag("code-points") {
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Err(ShellError::IncompatibleParametersSingle(
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"Incompatible flags: --grapheme-clusters (-g) and --utf-8-bytes (-b)".to_string(),
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call.head,
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))?
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}
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// Grapheme cluster usage is decided by the non-default -g flag
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Ok(g_flag)
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}
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