newtype in types, more generator config, parsing -> parser

1 files changed, 53 insertions, 0 deletions

diff --git a/src/parser/clang/config.rs b/src/parser/clang/config.rs
new file mode 100644
index 0000000..05fe3ab
--- /dev/null
+++ b/src/parser/clang/config.rs
@@ -0,0 +1,53 @@
+use anyhow::Result;
+use serde_derive::{Deserialize, Serialize};
+use structopt::StructOpt;
+
+use std::path::PathBuf;
+
+#[derive(Debug, Clone, StructOpt, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub(crate) struct Config {
+    pub(super) compile_commands_location: PathBuf,
+    pub(super) extra_args: Vec<String>,
+}
+
+#[derive(Debug, Clone, Default, StructOpt, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub(crate) struct ProvidedConfig {
+    #[structopt(long = "clang-compile-commands-location")]
+    pub(super) compile_commands_location: Option<PathBuf>,
+    #[structopt(long = "clang-extra-args", number_of_values = 1)]
+    #[serde(default)]
+    pub(super) extra_args: Vec<String>,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Config::from_merge(
+            ProvidedConfig::default(),
+            ProvidedConfig::default(),
+        )
+        // Currently errors out only on CLI parse fail with clang's extra args
+        .unwrap()
+    }
+}
+
+impl Config {
+    pub(crate) fn from_merge(
+        cli: ProvidedConfig,
+        mut config: ProvidedConfig,
+    ) -> Result<Self> {
+        let mut extra_args = Vec::new();
+        for args in cli.extra_args {
+            extra_args.append(&mut ::shell_words::split(&args)?);
+        }
+        extra_args.append(&mut config.extra_args);
+        Ok(Self {
+            compile_commands_location: cli
+                .compile_commands_location
+                .or(config.compile_commands_location)
+                .unwrap_or_else(|| PathBuf::from(r".")),
+            extra_args,
+        })
+    }
+}