41 lines
944 B
C
41 lines
944 B
C
/** @license 2022 Neil Edelman, distributed under the terms of the
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[MIT License](https://opensource.org/licenses/MIT).
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Is intended to use
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<https://github.com/scrollmapper/bible_databases/master/txt/KJV/>. */
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#include "../src/kjv.h"
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h> /* debug */
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static int parse_natural(const char *s, const char *const e, unsigned *const n) {
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unsigned a = 0;
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while(s < e) {
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unsigned b = a * 10 + (unsigned)(*s - '0');
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if(a >= b) return errno = ERANGE, 0;
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a = b;
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s++;
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}
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*n = a;
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return 1;
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}
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/*!re2c /**/
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re2c:yyfill:enable = 0;
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re2c:define:YYCTYPE = char;
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sentinel = "\x00";
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newline = "\n";
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natural = [1-9][0-9]*;
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*/
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int kjv_filename(const char *fn, unsigned *book_no) {
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const char *YYCURSOR = fn, *YYMARKER, *yyt1, *yyt2, *s0, *s1;
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assert(fn && book_no);
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/*!re2c /**/
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*
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{ return 0; }
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@s0 natural @s1 [^.\x00]* ".txt" sentinel
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{ return parse_natural(s0, s1, book_no); }
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*/
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}
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