158 lines
8.1 KiB
C
158 lines
8.1 KiB
C
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#ifndef cmPrefs_h
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#define cmPrefs_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef unsigned cmPrRC_t;
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typedef cmHandle_t cmPrH_t;
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enum
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{
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kOkPrRC = cmOkRC,
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kJsonFailPrRC,
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kLHeapFailPrRC,
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kCbNotFoundPrRC,
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kVarNotFoundPrRC,
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kBufTooSmallPrRC,
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kCvtErrPrRC,
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kInvalidIdPrRC,
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kInvalidIndexPrRC,
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kWriteFileFailPrRC,
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kNodeCreateFailPrRC,
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kDuplicateIdPrRC
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};
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typedef void (*cmPrefsOnChangeFunc_t)( cmPrH_t h, void* cbDataPtr, unsigned id );
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extern cmPrH_t cmPrNullHandle;
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// 'cbFunc' is optional
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cmPrRC_t cmPrefsInitialize( cmPrH_t* hp, const cmChar_t* fn, cmPrefsOnChangeFunc_t cbFunc, void* cbDataPtr, cmCtx_t* ctx );
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cmPrRC_t cmPrefsFinalize( cmPrH_t* hp );
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bool cmPrefsIsValid( cmPrH_t h );
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// Return last RC.
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cmPrRC_t cmPrefsRC( cmPrH_t h);
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// Return last RC and set new RC.
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cmPrRC_t cmPrefsSetRC( cmPrH_t h, cmPrRC_t rc );
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cmPrRC_t cmPrefsInstallCallback( cmPrH_t h, cmPrefsOnChangeFunc_t cbFunc, void* cbDataPtr );
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cmPrRC_t cmPrefsRemoveCallback( cmPrH_t h, cmPrefsOnChangeFunc_t cbFunc );
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// Return cmInvalidId if the no variable is found with the requested path.
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unsigned cmPrefsId( cmPrH_t h, const cmChar_t* pathStr, bool reportNotFoundFl );
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// Returns -1 (and generates an error msg) if no pref. variable
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// is associated with id. Returns 1 if the variable is a scalar.
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unsigned cmPrefsEleCount( cmPrH_t h, unsigned id );
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// On input *'eleCntPtr' must contain the number of elements in the buffer pointed to by 'vp'.
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// On return *'eleCntPtr' contains the actuall number of elements returned by the function.
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cmPrRC_t cmPrefsGetBool( cmPrH_t h, unsigned id, bool* vp, unsigned* eleCntPtr );
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cmPrRC_t cmPrefsGetInt( cmPrH_t h, unsigned id, int* vp, unsigned* eleCntPtr );
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cmPrRC_t cmPrefsGetReal( cmPrH_t h, unsigned id, double* vp, unsigned* eleCntPtr );
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cmPrRC_t cmPrefsGetString( cmPrH_t h, unsigned id, const cmChar_t** vp, unsigned* eleCntPtr );
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// Simplified scalar interface - check cmPrefsRC() for errors.
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bool cmPrefsBool( cmPrH_t h, unsigned id );
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unsigned cmPrefsUInt( cmPrH_t h, unsigned id );
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int cmPrefsInt( cmPrH_t h, unsigned id );
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float cmPrefsFloat( cmPrH_t h, unsigned id );
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double cmPrefsReal( cmPrH_t h, unsigned id );
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const cmChar_t* cmPrefsString( cmPrH_t h, unsigned id );
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// Simplified scalar interface w/ default values - check cmPrefsRC() for errors.
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// Returns the stored preference variable unless 'pathStr' does not identify a variable
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// or if 'h' is not valid. In either of these cases 'dfltVal' is returned.
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bool cmPrefsBoolDef( cmPrH_t h, const cmChar_t* pathStr, bool dfltVal );
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unsigned cmPrefsUIntDef( cmPrH_t h, const cmChar_t* pathStr, unsigned dfltVal );
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int cmPrefsIntDef( cmPrH_t h, const cmChar_t* pathStr, int dfltVal );
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float cmPrefsFloatDef( cmPrH_t h, const cmChar_t* pathStr, float dfltVal );
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double cmPrefsRealDef( cmPrH_t h, const cmChar_t* pathStr, double dfltVal );
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const cmChar_t* cmPrefsStringDef( cmPrH_t h, const cmChar_t* pathStr, const cmChar_t* dfltVal );
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// Get a scalar value.
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cmPrRC_t cmPrefsScalarBool( cmPrH_t h, const cmChar_t* pathStr, bool* retValPtr );
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cmPrRC_t cmPrefsScalarUInt( cmPrH_t h, const cmChar_t* pathStr, unsigned* retValPtr );
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cmPrRC_t cmPrefsScalarInt( cmPrH_t h, const cmChar_t* pathStr, int* retValPtr );
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cmPrRC_t cmPrefsScalarFloat( cmPrH_t h, const cmChar_t* pathStr, float* retValPtr );
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cmPrRC_t cmPrefsScalarReal( cmPrH_t h, const cmChar_t* pathStr, double* retValPtr );
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cmPrRC_t cmPrefsScalarString( cmPrH_t h, const cmChar_t* pathStr, const cmChar_t** retValPtr );
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// Simplified array interface - check cmPrefsRC() for errors
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// Returns cmInvalidCnt if 'id' is invalid or 0 if the identified var. is a scalar.
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unsigned cmPrefsArrayElementCount( cmPrH_t h, unsigned id );
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bool cmPrefsBoolEle( cmPrH_t h, unsigned id, unsigned idx );
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unsigned cmPrefsUIntEle( cmPrH_t h, unsigned id, unsigned idx );
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int cmPrefsIntEle( cmPrH_t h, unsigned id, unsigned idx );
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float cmPrefsFloatEle( cmPrH_t h, unsigned id, unsigned idx );
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double cmPrefsRealEle( cmPrH_t h, unsigned id, unsigned idx );
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const cmChar_t* cmPrefsStringEle( cmPrH_t h, unsigned id, unsigned idx );
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// Set a preference value.
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// The size of array variables is allowed to shrink or grow but the type (bool/int/real/string)
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// must match.
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//
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// Note that the following limitations apply:
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// 1) This interface allows setting the value of an existing preference variable.
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// New variables may not be added.
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// 2) The type (bool/int/real/string) of the variable must match the value.
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// (e.g. 'int' type variables can only be set via cmPrefsSetInt()).
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// 3) For scalar (non-array) variables *eleCntPtr must be set to 1.
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//
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cmPrRC_t cmPrefsSetBool( cmPrH_t h, unsigned id, const bool* vp, const unsigned* eleCntPtr );
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cmPrRC_t cmPrefsSetInt( cmPrH_t h, unsigned id, const int* vp, const unsigned* eleCntPtr );
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cmPrRC_t cmPrefsSetReal( cmPrH_t h, unsigned id, const double* vp, const unsigned* eleCntPtr );
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cmPrRC_t cmPrefsSetString( cmPrH_t h, unsigned id, const cmChar_t** vp, const unsigned* eleCntPtr );
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cmPrRC_t cmPrefsSetScalarBool( cmPrH_t h, const cmChar_t* pathStr, bool val );
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cmPrRC_t cmPrefsSetScalarUInt( cmPrH_t h, const cmChar_t* pathStr, unsigned val );
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cmPrRC_t cmPrefsSetScalarInt( cmPrH_t h, const cmChar_t* pathStr, int val );
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cmPrRC_t cmPrefsSetScalarFloat( cmPrH_t h, const cmChar_t* pathStr, float val );
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cmPrRC_t cmPrefsSetScalarReal( cmPrH_t h, const cmChar_t* pathStr, double val );
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cmPrRC_t cmPrefsSetScalarString( cmPrH_t h, const cmChar_t* pathStr, const cmChar_t* val );
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// Create a new preference variable and set it's value to 'val'.
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// If a variable with the same path and type already exists and kForceValuePrFl is set then update it's value to 'val'.
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// Note that in this case if kForceValuePrFl is not set then the function returns quietly.
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//
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// If a variable with the same path but a different type exists then an error is returned.
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//
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// Set kForceValuePrFl
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enum { kForceValuePrFl=0x01 };
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cmPrRC_t cmPrefsCreateBool( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, bool val );
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cmPrRC_t cmPrefsCreateUInt( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, unsigned val );
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cmPrRC_t cmPrefsCreateInt( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, int val );
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cmPrRC_t cmPrefsCreateFloat( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, float val );
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cmPrRC_t cmPrefsCreateReal( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, double val );
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cmPrRC_t cmPrefsCreateString( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, const cmChar_t* val );
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cmPrRC_t cmPrefsCreateBoolArray( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, const bool* val, unsigned eleCnt );
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cmPrRC_t cmPrefsCreateUIntArray( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, const unsigned* val, unsigned eleCnt );
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cmPrRC_t cmPrefsCreateIntArray( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, const int* val, unsigned eleCnt );
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cmPrRC_t cmPrefsCreateFloatArray( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, const float* val, unsigned eleCnt );
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cmPrRC_t cmPrefsCreateRealArray( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, const double* val, unsigned eleCnt );
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cmPrRC_t cmPrefsCreateStringArray( cmPrH_t h, unsigned id, const cmChar_t* pathStr, unsigned flags, const cmChar_t** val, unsigned eleCnt );
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bool cmPrefsIsDirty( cmPrH_t h );
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cmPrRC_t cmPrefsWrite( cmPrH_t h, const cmChar_t* fn );
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void cmPrefsTest( cmCtx_t* ctx, const char* ifn, const char* ofn );
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#ifdef __cplusplus
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}
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#endif
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#endif
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