removed field_count in construct function, and then added WriteHeader in CSVOutput/CSVOutputStream

This commit is contained in:
HuYingzhuo(hugo/hyzboy) 2023-07-31 17:13:44 +08:00
parent cfb772cb55
commit 1f8d32087e
3 changed files with 26 additions and 19 deletions

View File

@ -13,7 +13,7 @@ namespace hgl
{
io::TextOutputStream *tos;
uint FieldCount;
int FieldCount;
T FieldsTerminatedChar;
T EnclosedChar;
@ -22,15 +22,15 @@ namespace hgl
protected:
uint write_count;
int left_count;
void NextField()
{
--write_count;
--left_count;
if(!write_count)
if(!left_count)
{
write_count=FieldCount;
left_count=FieldCount;
tos->WriteLineEnd();
}
else
@ -40,13 +40,12 @@ namespace hgl
public:
CSVOutput( io::TextOutputStream *os, //文本输出流
const uint field_count, //字段数量
const T fields_terminated_char=T(','), //字段分隔符
const T enclosed_char=T('"')) //字符串包裹字符
{
tos=os;
FieldCount =field_count;
FieldCount =0;
FieldsTerminatedChar=fields_terminated_char;
@ -55,7 +54,7 @@ namespace hgl
NullStringField[0] =enclosed_char;
NullStringField[1] =enclosed_char;
write_count =FieldCount;
left_count =0;
}
~CSVOutput()=default;
@ -98,6 +97,10 @@ namespace hgl
WriteString(str);
}
void WriteHeader(const StringList<T> &sl){left_count=FieldCount=sl.GetCount(); WriteStringList(sl);}
void WriteHeader(const std::initializer_list<String<T>> &sl){left_count=FieldCount=(int)sl.size(); WriteStringList(sl);}
void WriteHeader(const std::initializer_list<const T *> &sl){left_count=FieldCount=(int)sl.size(); WriteStringList(sl);}
template<typename I>
void WriteInteger(const I &value)
{
@ -119,8 +122,8 @@ namespace hgl
using UTF16CSVOutput=CSVOutput<u16char>;
using UTF32CSVOutput=CSVOutput<u32char>;
inline CSVOutput<u8char> * CreateUTF8CSVOutput (io::TextOutputStream * tos,const uint fc,const u8char ftc=U8_TEXT (','),const u8char ec=U8_TEXT ('"')){return(new UTF8CSVOutput (tos,fc,ftc,ec));}
inline CSVOutput<u16char> * CreateUTF16CSVOutput (io::TextOutputStream * tos,const uint fc,const u16char ftc=U16_TEXT(','),const u16char ec=U16_TEXT('"')){return(new UTF16CSVOutput(tos,fc,ftc,ec));}
inline CSVOutput<u16char> * CreateUTF32CSVOutput (io::TextOutputStream * tos,const uint fc,const u32char ftc=U32_TEXT(','),const u32char ec=U32_TEXT('"')){return(new UTF16CSVOutput(tos,fc,ftc,ec));}
inline CSVOutput<u8char> * CreateUTF8CSVOutput (io::TextOutputStream * tos,const u8char ftc=U8_TEXT (','),const u8char ec=U8_TEXT ('"')){return(new UTF8CSVOutput (tos,ftc,ec));}
inline CSVOutput<u16char> * CreateUTF16CSVOutput (io::TextOutputStream * tos,const u16char ftc=U16_TEXT(','),const u16char ec=U16_TEXT('"')){return(new UTF16CSVOutput(tos,ftc,ec));}
inline CSVOutput<u16char> * CreateUTF32CSVOutput (io::TextOutputStream * tos,const u32char ftc=U32_TEXT(','),const u32char ec=U32_TEXT('"')){return(new UTF16CSVOutput(tos,ftc,ec));}
}//namespace util
}//namespace hgl

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@ -43,6 +43,10 @@ namespace hgl
void WriteStringList(const std::initializer_list<String<T>> &sl){return csv->WriteStringList(sl);}
void WriteStringList(const std::initializer_list<const T *> &sl){return csv->WriteStringList(sl);}
void WriteHeader(const StringList<T> &sl){csv->WriteHeader(sl);}
void WriteHeader(const std::initializer_list<String<T>> &sl){csv->WriteHeader(sl);}
void WriteHeader(const std::initializer_list<const T *> &sl){csv->WriteHeader(sl);}
template<typename I>
void WriteInteger(const I &value){csv->WriteInteger(value);}
@ -50,14 +54,14 @@ namespace hgl
void WriteFloat(const F &value,const uint frac){csv->WriteFloat(value,frac);}
};//template<typename T> class CSVOutputStream
template<typename T> inline CSVOutputStream<T> *CreateCSVOutputToStream(io::OutputStream *os,io::TextOutputStream *tos,const uint field_count,const T fields_terminated_char=T(','),const T enclosed_char=T('"'))
template<typename T> inline CSVOutputStream<T> *CreateCSVOutputToStream(io::OutputStream *os,io::TextOutputStream *tos,const T fields_terminated_char=T(','),const T enclosed_char=T('"'))
{
CSVOutput<T> *csv=new CSVOutput<T>(tos,field_count,fields_terminated_char,enclosed_char);
CSVOutput<T> *csv=new CSVOutput<T>(tos,fields_terminated_char,enclosed_char);
return(new CSVOutputStream<T>(os,tos,csv));
}
CSVOutputStream<u8char> *CreateCSVOutputToUTF8File(const OSString &filename,const uint field_count,const u8char fields_terminated_char=U8_TEXT(','),const u8char enclosed_char=U8_TEXT('"'));
CSVOutputStream<u16char> *CreateCSVOutputToUTF16LEFile(const OSString &filename,const uint field_count,const u16char fields_terminated_char=U16_TEXT(','),const u16char enclosed_char=U16_TEXT('"'));
CSVOutputStream<u8char> *CreateCSVOutputToUTF8File(const OSString &filename,const u8char fields_terminated_char=U8_TEXT(','),const u8char enclosed_char=U8_TEXT('"'));
CSVOutputStream<u16char> *CreateCSVOutputToUTF16LEFile(const OSString &filename,const u16char fields_terminated_char=U16_TEXT(','),const u16char enclosed_char=U16_TEXT('"'));
}//namespace util
}//namespace hgl

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@ -8,22 +8,22 @@ namespace hgl
{
namespace util
{
CSVOutputStream<char> *CreateCSVOutputToUTF8File(const OSString &filename,const uint field_count,const u8char fields_terminated_char,const u8char enclosed_char)
CSVOutputStream<char> *CreateCSVOutputToUTF8File(const OSString &filename,const u8char fields_terminated_char,const u8char enclosed_char)
{
io::FileOutputStream *fos=io::CreateFileOutputStream(filename);
if(!fos)return(nullptr);
return CreateCSVOutputToStream<u8char>(fos,new io::UTF8TextOutputStream(fos),field_count,fields_terminated_char,enclosed_char);
return CreateCSVOutputToStream<u8char>(fos,new io::UTF8TextOutputStream(fos),fields_terminated_char,enclosed_char);
}
CSVOutputStream<u16char> *CreateCSVOutputToUTF16LEFile(const OSString &filename,const uint field_count,const u16char fields_terminated_char,const u16char enclosed_char)
CSVOutputStream<u16char> *CreateCSVOutputToUTF16LEFile(const OSString &filename,const u16char fields_terminated_char,const u16char enclosed_char)
{
io::FileOutputStream *fos=io::CreateFileOutputStream(filename);
if(!fos)return(nullptr);
return CreateCSVOutputToStream<u16char>(fos,new io::UTF16LETextOutputStream(fos),field_count,fields_terminated_char,enclosed_char);
return CreateCSVOutputToStream<u16char>(fos,new io::UTF16LETextOutputStream(fos),fields_terminated_char,enclosed_char);
}
}//namespace util
}//namespace hgl