Add string factor support

crates/fidc-core/src/strategy.rs

@@ -8,8 +8,9 @@ use chrono::{Datelike, Duration, NaiveDate, NaiveDateTime, NaiveTime};
 
 use crate::cost::ChinaAShareCostModel;
 use crate::data::{
-    DailyMarketSnapshot, DataSet, DividendRecord, FactorValue, IntradayExecutionQuote, PriceBar,
-    PriceField, SecuritiesMarginRecord, SplitRecord, YieldCurvePoint,
+    DailyMarketSnapshot, DataSet, DividendRecord, FactorTextValue, FactorValue,
+    IntradayExecutionQuote, PriceBar, PriceField, SecuritiesMarginRecord, SplitRecord,
+    YieldCurvePoint,
 };
 use crate::engine::BacktestError;
 use crate::events::{FillEvent, OrderEvent, OrderSide, OrderStatus, ProcessEvent};
@@ -630,6 +631,16 @@ impl StrategyContext<'_> {
         self.data.get_factor(symbol, start, end, field)
     }
 
+    pub fn get_factor_text(
+        &self,
+        symbol: &str,
+        start: NaiveDate,
+        end: NaiveDate,
+        field: &str,
+    ) -> Vec<FactorTextValue> {
+        self.data.get_factor_text(symbol, start, end, field)
+    }
+
     pub fn get_yield_curve(
         &self,
         start: NaiveDate,
@@ -738,6 +749,16 @@ impl StrategyContext<'_> {
             .get_industry(symbol, self.execution_date, source, level)
     }
 
+    pub fn get_industry_name(
+        &self,
+        symbol: &str,
+        source: &str,
+        level: usize,
+    ) -> Option<FactorTextValue> {
+        self.data
+            .get_industry_name(symbol, self.execution_date, source, level)
+    }
+
     pub fn get_dominant_future(&self, underlying_symbol: &str) -> Option<String> {
         self.data
             .get_dominant_future(underlying_symbol, self.execution_date)