mirror of
https://github.com/depp/syncfiles.git
synced 2024-11-22 03:30:57 +00:00
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
#ifndef convert_h
|
|
#define convert_h
|
|
/* convert.h - character set conversion routines. */
|
|
|
|
#include "convert/defs.h"
|
|
|
|
/* Error codes. */
|
|
enum
|
|
{
|
|
/* No error. */
|
|
kErrorOK,
|
|
|
|
/* Memory allocation failed. */
|
|
kErrorNoMemory,
|
|
|
|
/* Invaild table data. */
|
|
kErrorBadData
|
|
};
|
|
|
|
enum
|
|
{
|
|
/* Constants for CR and LF. Note that we should not use '\n' or '\r'
|
|
anywhere, because these character constants may have unexpected values on
|
|
certain old Mac OS compilers, depending on the compiler settings. In
|
|
particular, the values of '\n' and '\r' will be swapped. */
|
|
kCharLF = 10,
|
|
kCharCR = 13,
|
|
|
|
/* Constant for substitution character: '?'. */
|
|
kCharSubstitute = 63
|
|
};
|
|
|
|
typedef enum
|
|
{
|
|
/* Don't translite line breaks. */
|
|
kLineBreakKeep,
|
|
|
|
/* Convert line breaks to LF. */
|
|
kLineBreakLF,
|
|
|
|
/* Convert line breaks to CR. */
|
|
kLineBreakCR,
|
|
|
|
/* Convert line breaks to CR LF. */
|
|
kLineBreakCRLF
|
|
} LineBreakConversion;
|
|
|
|
/* Directions that the converter runs in. */
|
|
typedef enum
|
|
{
|
|
kToUTF8,
|
|
kFromUTF8
|
|
} ConvertDirection;
|
|
|
|
/* Get the character map used for the given Mac OS script and region codes.
|
|
Return -1 if no known character map exists. */
|
|
int GetCharmap(int script, int region);
|
|
|
|
/* The state of a converter. Must be zeroed prior to first conversion. */
|
|
struct ConverterState {
|
|
UInt32 data;
|
|
};
|
|
|
|
/* Implementation function for building a converter. */
|
|
typedef int (*ConvertBuildf)(Handle *out, Handle data, Size datasz,
|
|
OSErr *errp);
|
|
|
|
/* Implementation function for running a converter. */
|
|
typedef void (*ConvertRunf)(const void *cvtptr, LineBreakConversion lc,
|
|
struct ConverterState *stateptr, UInt8 **optr,
|
|
UInt8 *oend, const UInt8 **iptr, const UInt8 *iend);
|
|
|
|
/* A converter. The converter can be freed by disposing the handle. */
|
|
struct Converter {
|
|
Handle data;
|
|
ConvertRunf run;
|
|
};
|
|
|
|
/* Build a converter from the given conversion table data. */
|
|
int ConverterBuild(struct Converter *c, Handle data, Size datasz,
|
|
ConvertDirection direction, OSErr *errp);
|
|
|
|
/* Engine 1: extended ASCII */
|
|
|
|
int Convert1fBuild(Handle *out, Handle data, Size datasz, OSErr *errp);
|
|
void Convert1fRun(const void *cvtptr, LineBreakConversion lc,
|
|
struct ConverterState *stateptr, UInt8 **optr, UInt8 *oend,
|
|
const UInt8 **iptr, const UInt8 *iend);
|
|
|
|
int Convert1rBuild(Handle *out, Handle data, Size datasz, OSErr *errp);
|
|
void Convert1rRun(const void *cvtptr, LineBreakConversion lc,
|
|
struct ConverterState *stateptr, UInt8 **optr, UInt8 *oend,
|
|
const UInt8 **iptr, const UInt8 *iend);
|
|
|
|
#endif
|