diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4maiwhdu.ctr |
Initial commit
Diffstat (limited to 'support/dktools/dk4maiwhdu.ctr')
-rw-r--r-- | support/dktools/dk4maiwhdu.ctr | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/support/dktools/dk4maiwhdu.ctr b/support/dktools/dk4maiwhdu.ctr new file mode 100644 index 0000000000..a200767d9a --- /dev/null +++ b/support/dktools/dk4maiwhdu.ctr @@ -0,0 +1,298 @@ +%% options + +copyright owner = Dirk Krause +copyright year = 2015-xxxx +license = bsd + + + +%% header + +/** @file + Retrieve dk4_um_t value from + wchar_t string in hexadecimal notation. + + CRT on Windows: Optional, disabling CRT degrades performance. +*/ + +#ifndef DK4CONF_H_INCLUDED +#include "dk4conf.h" +#endif + +#ifndef DK4TYPES_H_INCLUDED +#include "dk4types.h" +#endif + +#ifndef DK4ERROR_H_INCLUDED +#include "dk4error.h" +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/** Retrieve numeric value from string, hexadecimal notation. + @param rp Pointer to result variable for the found value. + @param src String to check for numeric value. + @param endptr Address of pointer variable. + A pointer to the first character not processed + is stored here. + The function may also store a NULL pointer in this + variable. + @param atg Allow trailing garbage: + 0=no unprocessable trailing bytes allowed, + 1=trailing whitespaces allowed, + 2=any trailing characters allowed. + @param erp Error report, may be NULL. + @return 1 on success, 0 on error. + + Error codes: + DK4_E_INVALID_ARGUMENTS if rp or src is NULL, + DK4_E_MATH_OVERFLOW if the number is out of range, or + DK4_E_SYNTAX if src contains illegal characters. +*/ +int +dk4ma_input_wc_hex_dk4_um_t( + dk4_um_t *rp, + const wchar_t *src, + const wchar_t **endptr, + int atg, + dk4_er_t *erp +); + +#ifdef __cplusplus +} +#endif + + + +%% module + + + +#include "dk4maiwhdu.h" +#include "dk4numco.h" +#include "dk4strw.h" + + + +$!trace-include + + + +/* UNTESTED */ +int +dk4ma_input_wc_hex_dk4_um_t( + dk4_um_t *rp, + const wchar_t *src, + const wchar_t **endptr, + int atg, + dk4_er_t *erp +) +{ + dk4_um_t result = (dk4_um_t)0UL; + dk4_um_t op; + const wchar_t *ep = NULL; + int found = 0; + int back = 0; + int cc = 1; + $? "+ dk4ma_input_wc_hex_dk4_um_t" + if ((NULL != rp) && (NULL != src)) { + if (L'0' == src[0]) { + if ((L'x' == src[1]) || (L'X' == src[1])) { src++; src++; } + } + do { + op = (dk4_um_t)0UL; +#if DK4_SIZEOF_WCHAR_T <= DK4_SIZEOF_INT + switch (*src) { + case L'0': { op = (dk4_um_t)0UL; } break; + case L'1': { op = (dk4_um_t)1UL; } break; + case L'2': { op = (dk4_um_t)2UL; } break; + case L'3': { op = (dk4_um_t)3UL; } break; + case L'4': { op = (dk4_um_t)4UL; } break; + case L'5': { op = (dk4_um_t)5UL; } break; + case L'6': { op = (dk4_um_t)6UL; } break; + case L'7': { op = (dk4_um_t)7UL; } break; + case L'8': { op = (dk4_um_t)8UL; } break; + case L'9': { op = (dk4_um_t)9UL; } break; + case L'a': case L'A': { op = (dk4_um_t)10UL; } break; + case L'b': case L'B': { op = (dk4_um_t)11UL; } break; + case L'c': case L'C': { op = (dk4_um_t)12UL; } break; + case L'd': case L'D': { op = (dk4_um_t)13UL; } break; + case L'e': case L'E': { op = (dk4_um_t)14UL; } break; + case L'f': case L'F': { op = (dk4_um_t)15UL; } break; + case L'\0': { $? ". string finished" + cc = 0; + if (0 != found) { $? ". digits found" + back = 1; + *rp = result; + } else { $? ". no digits found" + ep = src; + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } + } break; + default: { + cc = 0; + ep = src; + if (0 != found) { + switch (atg) { + case 2: { + back = 1; + *rp = result; + } break; + case 1: { + if (NULL == dk4strw_start(src, NULL)) { + back = 1; + *rp = result; + } else { + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } + } break; + default: { + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } break; + } + } else { + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } + } break; + } +#else + if (L'0' == *src) { + op = (dk4_um_t)0UL; + } else { + if (L'1' == *src) { + op = (dk4_um_t)1UL; + } else { + if (L'2' == *src) { + op = (dk4_um_t)2UL; + } else { + if (L'3' == *src) { + op = (dk4_um_t)3UL; + } else { + if (L'4' == *src) { + op = (dk4_um_t)4UL; + } else { + if (L'5' == *src) { + op = (dk4_um_t)5UL; + } else { + if (L'6' == *src) { + op = (dk4_um_t)6UL; + } else { + if (L'7' == *src) { + op = (dk4_um_t)7UL; + } else { + if (L'8' == *src) { + op = (dk4_um_t)8UL; + } else { + if (L'9' == *src) { + op = (dk4_um_t)9UL; + } else { + if ((L'A' == *src) || (L'a' == *src)) { + op = (dk4_um_t)10UL; + } else { + if ((L'B' == *src) || (L'b' == *src)) { + op = (dk4_um_t)11UL; + } else { + if ((L'C' == *src) || (L'c' == *src)) { + op = (dk4_um_t)12UL; + } else { + if ((L'D' == *src) || (L'd' == *src)) { + op = (dk4_um_t)13UL; + } else { + if ((L'E' == *src) || (L'e' == *src)) { + op = (dk4_um_t)14UL; + } else { + if ((L'F' == *src) || (L'f' == *src)) { + op = (dk4_um_t)15UL; + } else { + if (L'\0' == *src) { /* finalizer */ + cc = 0; + if (0 != found) { + back = 1; + *rp = result; + } else { + ep = src; + dk4error_set_simple_error_code( + erp, DK4_E_SYNTAX + ); + } + } else { /* any other */ + cc = 0; + ep = src; + if (0 != found) { + switch (atg) { + case 2: { + back = 1; + *rp = result; + } break; + case 1: { + if (dk4strw_start(src, NULL)) { + dk4error_set_simple_error_code( + erp, DK4_E_SYNTAX + ); + } else { + back = 1; + *rp = result; + } + } break; + default: { + dk4error_set_simple_error_code( + erp, DK4_E_SYNTAX + ); + } break; + } + } else { + dk4error_set_simple_error_code( + erp, DK4_E_SYNTAX + ); + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } +#endif + /* after switch */ + if (0 != cc) { + found = 1; + if ((DK4_UM_MAX / (dk4_um_t)16UL) >= result) { + result *= (dk4_um_t)16UL; + if ((DK4_UM_MAX - op) >= result) { + result += op; + } else { + cc = 0; + ep = src; + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } else { + cc = 0; + ep = src; + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } + if (0 != cc) { + src++; + } + } while (0 != cc); + } else { + dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); + if (NULL != src) { ep = src; } + } + if (NULL != endptr) { *endptr = ep; } + $? "- dk4ma_input_wc_hex_dk4_um_t %d", back + return back; +} + |