Rename subcmd module to cmd and update references

1 files changed, 107 insertions, 0 deletions

diff --git a/src/cmd/errors.rs b/src/cmd/errors.rs
new file mode 100644
index 0000000..e1cf835
--- /dev/null
+++ b/src/cmd/errors.rs
@@ -0,0 +1,107 @@
+#[derive(thiserror::Error, Debug)]
+pub enum CmdPrepareError {
+    #[error("IO error: {0}")]
+    Io(#[from] std::io::Error),
+
+    #[error("{0}")]
+    Error(String),
+}
+
+impl CmdPrepareError {
+    pub fn new(msg: impl AsRef<str>) -> Self {
+        CmdPrepareError::Error(msg.as_ref().to_string())
+    }
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum CmdExecuteError {
+    #[error("IO error: {0}")]
+    Io(#[from] std::io::Error),
+
+    #[error("Content not prepared, cannot run")]
+    Prepare(#[from] CmdPrepareError),
+
+    #[error("{0}")]
+    Error(String),
+}
+
+impl CmdExecuteError {
+    pub fn new(msg: impl AsRef<str>) -> Self {
+        CmdExecuteError::Error(msg.as_ref().to_string())
+    }
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum CmdRenderError {
+    #[error("IO error: {0}")]
+    Io(#[from] std::io::Error),
+
+    #[error("Preparation failed, cannot render")]
+    Prepare(#[from] CmdPrepareError),
+
+    #[error("Execution failed, no output content obtained before rendering")]
+    Execute(#[from] CmdExecuteError),
+
+    #[error("{0}")]
+    Error(String),
+}
+
+impl CmdRenderError {
+    pub fn new(msg: impl AsRef<str>) -> Self {
+        CmdRenderError::Error(msg.as_ref().to_string())
+    }
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum CmdProcessError {
+    #[error("Prepare error: {0}")]
+    Prepare(#[from] CmdPrepareError),
+
+    #[error("Execute error: {0}")]
+    Execute(#[from] CmdExecuteError),
+
+    #[error("Render error: {0}")]
+    Render(#[from] CmdRenderError),
+
+    #[error("{0}")]
+    Error(String),
+
+    #[error("Node `{0}` not found!")]
+    NoNodeFound(String),
+
+    #[error("No matching command found")]
+    NoMatchingCommand,
+
+    #[error("Ambiguous command, multiple matches found")]
+    AmbiguousCommand(Vec<String>),
+
+    #[error("Parse error")]
+    ParseError(String),
+}
+
+impl CmdProcessError {
+    pub fn new(msg: impl AsRef<str>) -> Self {
+        CmdProcessError::Error(msg.as_ref().to_string())
+    }
+
+    pub fn prepare_err(&self) -> Option<&CmdPrepareError> {
+        match self {
+            CmdProcessError::Prepare(e) => Some(e),
+            _ => None,
+        }
+    }
+
+    pub fn execute_err(&self) -> Option<&CmdExecuteError> {
+        match self {
+            CmdProcessError::Execute(e) => Some(e),
+            _ => None,
+        }
+    }
+
+    pub fn render_err(&self) -> Option<&CmdRenderError> {
+        match self {
+            CmdProcessError::Render(e) => Some(e),
+            _ => None,
+        }
+    }
+}