132 lines
2.5 KiB
C
132 lines
2.5 KiB
C
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#include <cdk_int.h>
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/*
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* $Author: tom $
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* $Date: 2012/03/20 09:54:37 $
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* $Revision: 1.4 $
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*/
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/*
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* Given a character pointer, returns the equivalent display type.
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*/
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EDisplayType char2DisplayType (const char *string)
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{
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/* *INDENT-OFF* */
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static const struct {
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const char *name;
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EDisplayType code;
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} table[] = {
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{ "CHAR", vCHAR },
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{ "HCHAR", vHCHAR },
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{ "INT", vINT },
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{ "HINT", vHINT },
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{ "UCHAR", vUCHAR },
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{ "LCHAR", vLCHAR },
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{ "UHCHAR", vUHCHAR },
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{ "LHCHAR", vLHCHAR },
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{ "MIXED", vMIXED },
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{ "HMIXED", vHMIXED },
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{ "UMIXED", vUMIXED },
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{ "LMIXED", vLMIXED },
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{ "UHMIXED", vUHMIXED },
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{ "LHMIXED", vLHMIXED },
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{ "VIEWONLY", vVIEWONLY },
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{ 0, vINVALID },
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};
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/* *INDENT-ON* */
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if (string != 0)
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{
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int n;
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for (n = 0; table[n].name != 0; n++)
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{
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if (!strcmp (string, table[n].name))
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return table[n].code;
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}
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}
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return (EDisplayType) vINVALID;
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}
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/*
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* Tell if a display type is "hidden"
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*/
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boolean isHiddenDisplayType (EDisplayType type)
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{
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boolean result = FALSE;
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switch (type)
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{
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case vHCHAR:
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case vHINT:
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case vHMIXED:
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case vLHCHAR:
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case vLHMIXED:
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case vUHCHAR:
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case vUHMIXED:
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result = TRUE;
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break;
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case vCHAR:
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case vINT:
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case vINVALID:
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case vLCHAR:
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case vLMIXED:
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case vMIXED:
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case vUCHAR:
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case vUMIXED:
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case vVIEWONLY:
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result = FALSE;
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break;
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}
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return result;
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}
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/*
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* Given a character input, check if it is allowed by the display type,
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* and return the character to apply to the display, or ERR if not.
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*/
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int filterByDisplayType (EDisplayType type, chtype input)
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{
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int result = CharOf (input);
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if (!isChar (input))
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{
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result = ERR;
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}
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else if ((type == vINT ||
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type == vHINT) &&
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!isdigit (CharOf (result)))
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{
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result = ERR;
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}
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else if ((type == vCHAR ||
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type == vUCHAR ||
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type == vLCHAR ||
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type == vUHCHAR ||
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type == vLHCHAR) &&
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isdigit (CharOf (result)))
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{
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result = ERR;
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}
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else if (type == vVIEWONLY)
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{
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result = ERR;
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}
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else if ((type == vUCHAR ||
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type == vUHCHAR ||
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type == vUMIXED ||
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type == vUHMIXED) &&
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isalpha (CharOf (result)))
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{
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result = toupper (result);
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}
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else if ((type == vLCHAR ||
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type == vLHCHAR ||
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type == vLMIXED ||
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type == vLHMIXED) &&
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isalpha (CharOf (result)))
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{
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result = tolower (result);
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}
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return result;
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}
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