refact: use cfg_if to control feature related code (#361)

Signed-off-by: Kilerd Chan <blove694@gmail.com>
zhang-accounting · Jul 29, 2024 · 54a0813 · 54a0813
1 parent 4644c52
commit 54a0813
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Showing 4 changed files with 31 additions and 27 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/zhang-core/Cargo.toml b/zhang-core/Cargo.toml
@@ -40,6 +40,7 @@ snailquote = "0.3"
 once_cell = "1.19"
 extism = { version = "1.0", optional = true }
 semver = "1.0.22"
+cfg-if = "1.0.0"
 
 [dev-dependencies]
 indoc = "2"

diff --git a/zhang-core/src/ledger.rs b/zhang-core/src/ledger.rs
@@ -5,6 +5,7 @@ use std::path::PathBuf;
 use std::sync::atomic::AtomicI32;
 use std::sync::{Arc, RwLock};
 
+use cfg_if::cfg_if;
 use itertools::Itertools;
 use log::{error, info};
 use zhang_ast::{Directive, DirectiveType, Options, Plugin, SpanInfo, Spanned};
@@ -324,18 +325,15 @@ impl Ledger {
 
     fn handle_plugin_execution(&mut self, other_directives: Vec<Spanned<Directive>>) -> ZhangResult<Vec<Spanned<Directive>>> {
         let other_directives = Ledger::sort_directives_datetime(other_directives);
-        let d = feature_enable!(
-            self.options.features.plugins,
-            {
-                #[cfg(feature = "plugin_runtime")]
-                {
+        let d = if self.options.features.plugins {
+            cfg_if! {
+                if #[cfg(feature = "plugin_runtime")] {
                     let mut directives = other_directives;
                     let options = self.operations().options()?;
                     // execute the plugins of processor type
                     for plugin in self.plugins.processors.iter() {
                         directives = plugin.execute_as_processor(directives, &options)?;
                     }
-
                     directives = Ledger::sort_directives_datetime(directives);
 
                     // execute the plugins of mapper type
@@ -345,12 +343,14 @@ impl Ledger {
                         directives = plugin_ret?.into_iter().flatten().collect_vec();
                     }
                     Ledger::sort_directives_datetime(directives)
+
+                }else {
+                    other_directives
                 }
-                #[cfg(not(feature = "plugin_runtime"))]
-                other_directives
-            },
+            }
+        } else {
             other_directives
-        );
+        };
         Ok(d)
     }
 }

diff --git a/zhang-core/src/options.rs b/zhang-core/src/options.rs
@@ -2,6 +2,7 @@ use std::borrow::Cow;
 use std::collections::{HashMap, HashSet};
 use std::str::FromStr;
 
+use cfg_if::cfg_if;
 use chrono_tz::Tz;
 use itertools::Itertools;
 use log::error;
@@ -39,24 +40,25 @@ pub enum BuiltinOption {
 }
 
 fn detect_timezone() -> String {
-    #[cfg(feature = "iana-time-zone")]
-    {
-        static DETECTED_TZ: OnceCell<String> = OnceCell::new();
-        DETECTED_TZ
-            .get_or_init(|| match iana_time_zone::get_timezone() {
-                Ok(timezone) => {
-                    log::info!("detect system timezone is {}", timezone);
-                    timezone
-                }
-                Err(e) => {
-                    log::warn!("cannot get timezone, fall back to use GMT+8 as default timezone: {}", e);
-                    DEFAULT_TIMEZONE.to_owned()
-                }
-            })
-            .to_string()
+    cfg_if! {
+        if #[cfg(feature = "iana-time-zone")] {
+            static DETECTED_TZ: OnceCell<String> = OnceCell::new();
+            DETECTED_TZ
+                .get_or_init(|| match iana_time_zone::get_timezone() {
+                    Ok(timezone) => {
+                        log::info!("detect system timezone is {}", timezone);
+                        timezone
+                    }
+                    Err(e) => {
+                        log::warn!("cannot get timezone, fall back to use GMT+8 as default timezone: {}", e);
+                        DEFAULT_TIMEZONE.to_owned()
+                    }
+                })
+                .to_string()
+        }else {
+             crate::constants::DEFAULT_TIMEZONE.to_owned()
+        }
     }
-    #[cfg(not(feature = "iana-time-zone"))]
-    crate::constants::DEFAULT_TIMEZONE.to_owned()
 }
 
 impl BuiltinOption {