From d32b7a891f44ffb399a7d368dda2a6bc4871ef79 Mon Sep 17 00:00:00 2001
From: kevin <kevin@larke.org>
Date: Mon, 19 Feb 2024 21:57:54 -0500
Subject: [PATCH] cwCsv.h/cpp : Added parse_field(...,bool).

---
 cwCsv.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++
 cwCsv.h   |  3 +++
 2 files changed, 45 insertions(+)

diff --git a/cwCsv.cpp b/cwCsv.cpp
index dff0ae8..c6aa024 100644
--- a/cwCsv.cpp
+++ b/cwCsv.cpp
@@ -310,7 +310,37 @@ namespace cw
       return rc;  
     }
 
+    rc_t _parse_bool_field( csv_t* p, unsigned colIdx, bool& valRef )
+    {
+      rc_t        rc       = kOkRC;
+      const char* fieldStr = nullptr;
 
+      if((rc = _get_field_str(p,colIdx,fieldStr)) != kOkRC )
+        goto errLabel;
+      else
+      {
+        if( textIsEqualI(fieldStr,"true")  )
+          valRef = true;
+        else
+          if( textIsEqualI(fieldStr,"false") )
+            valRef = false;
+          else
+            rc = cwLogError(kSyntaxErrorRC,"The value of a boolean must be either 'true' or 'false'.");            
+      }
+      
+    errLabel:  
+      return rc;  
+    }
+
+    rc_t _parse_bool_field( csv_t* p, const char* colLabel, bool& valRef )
+    {
+      unsigned colIdx;
+      if((colIdx = _title_to_col_index(p, colLabel)) == kInvalidIdx )
+        return cwLogError(kInvalidArgRC,"The column label '%s' is not valid.",cwStringNullGuard(colLabel));
+      
+      return _parse_bool_field(p,colIdx,valRef);
+    }
+    
     
   }
 }
@@ -496,6 +526,12 @@ cw::rc_t cw::csv::field_char_count( handle_t h, unsigned colIdx, unsigned& charC
   return rc;
 }
 
+cw::rc_t cw::csv::parse_field( handle_t h, unsigned colIdx, bool& valRef )
+{
+  csv_t* p = _handleToPtr(h);
+  return _parse_bool_field( p, colIdx, valRef )  ;
+}
+
 cw::rc_t cw::csv::parse_field( handle_t h, unsigned colIdx, uint8_t& valRef )
 {
   csv_t* p = _handleToPtr(h);
@@ -526,6 +562,12 @@ cw::rc_t cw::csv::parse_field( handle_t h, unsigned colIdx, const char*& valRef
   return _parse_string_field( p, colIdx, valRef );
 }
 
+cw::rc_t cw::csv::parse_field( handle_t h, const char* colLabel, bool& valRef )
+{
+  csv_t* p = _handleToPtr(h);
+  return _parse_bool_field(p, colLabel, valRef );
+}
+
 cw::rc_t cw::csv::parse_field( handle_t h, const char* colLabel, uint8_t& valRef )
 {
   csv_t* p = _handleToPtr(h);
diff --git a/cwCsv.h b/cwCsv.h
index ec4c2b6..36c3c3f 100644
--- a/cwCsv.h
+++ b/cwCsv.h
@@ -43,6 +43,8 @@ namespace cw
     rc_t parse_field( handle_t h, unsigned colIdx, unsigned& valRef );
     rc_t parse_field( handle_t h, unsigned colIdx, int& valRef );
     rc_t parse_field( handle_t h, unsigned colIdx, double& valRef );
+    rc_t parse_field( handle_t h, unsigned colIdx, bool& valRef );
+    
     
     // The returned pointer is a pointer into an internal 'line' buffer.
     // The reference is therefore only valid until the next call to next_line().
@@ -52,6 +54,7 @@ namespace cw
     rc_t parse_field( handle_t h, const char* colLabel, unsigned& valRef );
     rc_t parse_field( handle_t h, const char* colLabel, int& valRef );
     rc_t parse_field( handle_t h, const char* colLabel, double& valRef );
+    rc_t parse_field( handle_t h, const char* colLabel, bool& valRef );
     
     // The returned pointer is a pointer into an internal 'line' buffer.
     // The reference is therefore only valid until the next call to next_line().