libcm/cmCsv.h
kevin e5ee6432c1 cmCsv.h/c : Added cmCsvInsertSymHex(),cmCsvSetCellHex(), and cmInsertHexColAfter().
Also fixed bug in the cmCsvInsertXXXColAfter() where the return cell pointer
was not correctly set.
2013-11-05 14:34:22 -08:00

154 regels
6.5 KiB
C

#ifndef cmCsv_h
#define cmCsv_h
#ifdef __cplusplus
extern "C" {
#endif
enum
{
kOkCsvRC = 0,
kMemAllocErrCsvRC,
kLexErrCsvRC,
kSymTblErrCsvRC,
kSyntaxErrCsvRC,
kFileOpenErrCsvRC,
kFileCreateErrCsvRC,
kFileReadErrCsvRC,
kFileSeekErrCsvRC,
kFileCloseErrCsvRC,
kDataCvtErrCsvRC,
kCellNotFoundCsvRC,
kDuplicateLexCsvId
};
typedef unsigned cmCsvRC_t;
typedef cmHandle_t cmCsvH_t;
enum
{
kIntCsvTFl = 0x01,
kHexCsvTFl = 0x02,
kRealCsvTFl = 0x04,
kIdentCsvTFl = 0x08,
kStrCsvTFl = 0x10,
kUdefCsvTFl = 0x20,
kNumberTMask = kIntCsvTFl | kHexCsvTFl | kRealCsvTFl,
kTextTMask = kIdentCsvTFl | kStrCsvTFl,
kTypeTMask = kNumberTMask | kTextTMask
};
// Each non-blank CSV cell is represented by a cmCsvCell_t record.
// All the non-blank cells in a given row are organized as a linked
// list throught 'rowPtr'.
typedef struct cmCsvCell_str
{
unsigned row; // CSV row number
unsigned col; // CSV column number
struct cmCsvCell_str* rowPtr; // links together cells in this row
unsigned symId; // symbol id for this cell
unsigned flags; // cell flags (see kXXXCsvTFl)
unsigned lexTId;
} cmCsvCell_t;
extern cmCsvH_t cmCsvNullHandle;
cmCsvRC_t cmCsvInitialize( cmCsvH_t *hp, cmCtx_t* ctx );
cmCsvRC_t cmCsvFinalize( cmCsvH_t *hp );
cmCsvRC_t cmCsvInitializeFromFile( cmCsvH_t *hp, const char* fn, unsigned maxRowCnt, cmCtx_t* ctx );
bool cmCsvIsValid( cmCsvH_t h);
cmCsvRC_t cmCsvLastRC( cmCsvH_t h);
void cmCsvClearRC( cmCsvH_t h);
// Register token matchers. See cmLexRegisterToken and cmLexRegisterMatcher
// for details.
cmCsvRC_t cmCsvLexRegisterToken( cmCsvH_t h, unsigned id, const cmChar_t* token );
cmCsvRC_t cmCsvLexRegisterMatcher( cmCsvH_t h, unsigned id, cmLexUserMatcherPtr_t funcPtr );
// Return the next available lexer token id above the token id's used internally
// by the object. This value is fixed after cmCsvInitialize()
// and does not change for the life of the CSV object. The application is
// therefore free to choose any lexer id values equal to or above the
// returned value.
unsigned cmCsvLexNextAvailId( cmCsvH_t h );
// Set 'maxRowCnt' to 0 if there is no row limit on the file.
cmCsvRC_t cmCsvParse( cmCsvH_t h, const char* buf, unsigned bufCharCnt, unsigned maxRowCnt );
cmCsvRC_t cmCsvParseFile( cmCsvH_t h, const char* fn, unsigned maxRowCnt );
unsigned cmCsvRowCount( cmCsvH_t h );
// Return a pointer to a given cell.
cmCsvCell_t* cmCsvCellPtr( cmCsvH_t h, unsigned row, unsigned col );
// Return a pointer to the first cell in a given row
cmCsvCell_t* cmCsvRowPtr( cmCsvH_t h, unsigned row );
// Convert a cell symbold id to a value.
const char* cmCsvCellSymText( cmCsvH_t h, unsigned symId );
cmCsvRC_t cmCsvCellSymInt( cmCsvH_t h, unsigned symId, int* vp );
cmCsvRC_t cmCsvCellSymUInt( cmCsvH_t h, unsigned symId, unsigned* vp );
cmCsvRC_t cmCsvCellSymFloat( cmCsvH_t h, unsigned symId, float* vp );
cmCsvRC_t cmCsvCellSymDouble( cmCsvH_t h, unsigned symId, double* vp );
// Return the value associated with a cell.
const char* cmCsvCellText( cmCsvH_t h, unsigned row, unsigned col ); // Returns NULL on error.
int cmCsvCellInt( cmCsvH_t h, unsigned row, unsigned col ); // Returns INT_MAX on error.
unsigned cmCsvCellUInt( cmCsvH_t h, unsigned row, unsigned col ); // Returns UINT_MAX on error.
float cmCsvCellFloat( cmCsvH_t h, unsigned row, unsigned col ); // Returns FLT_MAX on error.
double cmCsvCellDouble(cmCsvH_t h, unsigned row, unsigned col ); // Returns DBL_MAX on error.
// Insert a value into the internal symbol table.
unsigned cmCsvInsertSymText( cmCsvH_t h, const char* text );
unsigned cmCsvInsertSymInt( cmCsvH_t h, int v );
unsigned cmCsvInsertSymUInt( cmCsvH_t h, unsigned v );
unsigned cmCsvInsertSymHex( cmCsvH_t h, unsigned v );
unsigned cmCsvInsertSymFloat( cmCsvH_t h, float v );
unsigned cmCsvInsertSymDouble( cmCsvH_t h, double v );
// Set the value associated with a cell.
cmCsvRC_t cmCsvSetCellText( cmCsvH_t h, unsigned row, unsigned col, const char* text );
cmCsvRC_t cmCsvSetCellInt( cmCsvH_t h, unsigned row, unsigned col, int v );
cmCsvRC_t cmCsvSetCellUInt( cmCsvH_t h, unsigned row, unsigned col, unsigned v );
cmCsvRC_t cmCsvSetCellHex( cmCsvH_t h, unsigned row, unsigned col, unsigned v );
cmCsvRC_t cmCsvSetCellFloat( cmCsvH_t h, unsigned row, unsigned col, float v );
cmCsvRC_t cmCsvSetCellDouble( cmCsvH_t h, unsigned row, unsigned col, double v );
// Insert a new row and column 0 cell just above the row assigned to 'row'.
// lexTId is an arbitrary id used by the application to set the value of
// cmCsvCell_t.lexTId in the new cell. There are no constraints on its value.
//cmCsvRC_t cmCsvInsertRowBefore( cmCsvH_t h, unsigned row, cmCsvCell_t** cellPtrPtr, unsigned symId, unsigned flags, unsigned lexTId );
cmCsvRC_t cmCsvAppendRow( cmCsvH_t h, cmCsvCell_t** cellPtrPtr, unsigned symId, unsigned flags, unsigned lexTId );
// Insert a new cell to the right of leftCellPtr.
// lexTId is an arbitrary id used by the application to set the value of
// cmCsvCell_t.lexTId in the new cell. There are no constraints on its value.
cmCsvRC_t cmCsvInsertColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, unsigned symId, unsigned flags, unsigned lexTId );
cmCsvRC_t cmCsvInsertTextColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, const char* val, unsigned lexTId );
cmCsvRC_t cmCsvInsertIntColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, int val, unsigned lexTId );
cmCsvRC_t cmCsvInsertUIntColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, unsigned val, unsigned lexTId );
cmCsvRC_t cmCsvInsertHexColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, unsigned val, unsigned lexTId );
cmCsvRC_t cmCsvInsertFloatColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, float val, unsigned lexTId );
cmCsvRC_t cmCsvInsertDoubleColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, double val, unsigned lexTId );
// Write the CSV object out to a file.
cmCsvRC_t cmCsvWrite( cmCsvH_t h, const char* fn );
cmCsvRC_t cmCsvPrint( cmCsvH_t h, unsigned rowCnt );
#ifdef __cplusplus
}
#endif
#endif