added CSVParse.h

inc/hgl/util/csv/CSVParse.h

@@ -0,0 +1,69 @@
+#pragma once
+#include<hgl/io/FileInputStream.h>
+#include<hgl/io/TextInputStream.h>
+#include<hgl/util/csv/CSVFieldSplite.h>
+
+namespace hgl
+{
+    namespace util
+    {
+        template<typename T> class CSVParseCallback
+        {
+        public:
+
+            virtual bool OnLine(util::CSVFieldSplite<T> &csv)=0;
+        };
+
+        template<typename T> class CSVTextParse:public io::TextInputStream::ParseCallback<T>
+        {
+            util::CSVFieldSplite<T> splite;
+
+            CSVParseCallback<T> *callback;
+
+        public:
+
+            CSVTextParse(CSVParseCallback<T> *pcb)
+            {
+                callback=pcb;
+            }
+
+            bool OnLine(const T *text,const int length) override
+            {
+                if(!text||!*text||length<=0)
+                    return(false);
+
+                splite.Start(text,length);
+
+                callback->OnLine(splite);
+
+                return(true);            
+            }
+        };//class CSVTextParse
+
+        template<typename T> inline bool ParseCSV(io::InputStream *is,CSVParseCallback<T> *pcb)
+        {
+            io::TextInputStream tis(is);
+
+            CSVTextParse<T> parse(pcb);
+
+            tis.SetParseCallback<T>(&parse);
+
+            tis.Run();
+
+            return nullptr;
+        }
+
+        template<typename T> inline bool ParseCSVFile(const OSString &filename,CSVParseCallback<T> *pcb)
+        {
+            io::FileInputStream *fis=new io::FileInputStream;
+
+            if(!fis->Open(filename))
+            {
+                delete fis;
+                return false;
+            }
+
+            return ParseCSV<T>(fis,pcb);
+        }
+    }//namespace util
+}//namespace hgl

src/CMakeLists.txt

@@ -81,6 +81,7 @@ SOURCE_GROUP("Crypt" FILES ${CRYPT_HEADER_FILES} ${CRYPT_SOURCE_FILES})
 ####################################################################################################
 
 SET(CSV_SOURCE  ${CMUTIL_ROOT_INCLUDE_PATH}/hgl/util/csv/CSVFieldSplite.h
+                ${CMUTIL_ROOT_INCLUDE_PATH}/hgl/util/csv/CSVParse.h
                 ${CMUTIL_ROOT_INCLUDE_PATH}/hgl/util/csv/CSVOutput.h
                 ${CMUTIL_ROOT_INCLUDE_PATH}/hgl/util/csv/CSVOutputStream.h
                 csv/CSVOutputStream.cpp)