64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
|
#ifndef cwCsv_h
|
||
|
|
#define cwCsv_h
|
||
|
|
|
||
|
|
namespace cw
|
||
|
|
{
|
||
|
|
namespace csv
|
||
|
|
{
|
||
|
|
typedef handle<struct csv_str> handle_t;
|
||
|
|
|
||
|
|
rc_t create( handle_t& hRef, const char* fname, const char** titleA=nullptr, unsigned titleN=0 );
|
||
|
|
|
||
|
|
rc_t destroy(handle_t& hRef );
|
||
|
|
|
||
|
|
rc_t line_count( handle_t h, unsigned& lineCntRef );
|
||
|
|
|
||
|
|
unsigned title_col_index( handle_t h, const char* title );
|
||
|
|
|
||
|
|
rc_t rewind( handle_t h );
|
||
|
|
|
||
|
|
rc_t next_line( handle_t h );
|
||
|
|
|
||
|
|
// line index (first line==0) of the line currently being parsed.
|
||
|
|
unsigned cur_line_index( handle_t h );
|
||
|
|
|
||
|
|
rc_t field_char_count( handle_t h, unsigned colIdx, unsigned& charCntRef );
|
||
|
|
|
||
|
|
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, const char*& valRef );
|
||
|
|
|
||
|
|
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, const char*& valRef );
|
||
|
|
|
||
|
|
inline rc_t _getv(handle_t) { return kOkRC; }
|
||
|
|
|
||
|
|
// getv("label0",v0,"label1",v1, ... )
|
||
|
|
template< typename T0, typename T1, typename... ARGS >
|
||
|
|
rc_t _getv( handle_t h, T0 label, T1& valRef, ARGS&&... args )
|
||
|
|
{
|
||
|
|
rc_t rc = parse_field(h,label,valRef);
|
||
|
|
|
||
|
|
// if no error occurred ....
|
||
|
|
if( rc == kOkRC )
|
||
|
|
rc = _getv(h,std::forward<ARGS>(args)...); // ... recurse to find next label/value pair
|
||
|
|
else
|
||
|
|
rc = cwLogError(rc,"CSV parse failed for column label:'%s' on line index:%i.",cwStringNullGuard(label),cur_line_index(h));
|
||
|
|
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
// getv("label0",v0,"label1",v1, ... )
|
||
|
|
template< typename T0, typename T1, typename... ARGS >
|
||
|
|
rc_t getv( handle_t h, T0 label, T1& valRef, ARGS&&... args )
|
||
|
|
{ return _getv(h,label,valRef,args...); }
|
||
|
|
|
||
|
|
rc_t test( const object_t* args );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|