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59 lines
1.2 KiB
59 lines
1.2 KiB
/* SPDX-License-Identifier: ISC */
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "util/input_file.h"
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#include "util/util.h"
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void input_file_complain(const char *filename, size_t linenum, const char *msg)
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{
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fprintf(stderr, "%s: %zu: %s\n", filename, linenum, msg);
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}
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struct userdata {
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const keyword_handler_t *handlers;
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size_t count;
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void *obj;
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};
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static int handle_line(void *usr, const char *filename,
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size_t linenum, char *line)
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{
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struct userdata *u = usr;
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size_t i, len;
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while (isspace(*line))
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++line;
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if (*line == '\0' || *line == '#')
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return 0;
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for (i = 0; i < u->count; ++i) {
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len = strlen(u->handlers[i].name);
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if (strncmp(line, u->handlers[i].name, len) != 0)
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continue;
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if (!isspace(line[len]) && line[len] != '\0')
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continue;
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for (line += len; isspace(*line); ++line)
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;
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break;
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}
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if (i == u->count) {
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fprintf(stderr, "%s: %zu: unknown keyword\n",
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filename, linenum);
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return -1;
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}
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return u->handlers[i].handle(line, filename, linenum, u->obj);
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}
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int process_file(const char *filename, const keyword_handler_t *handlers,
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size_t count, void *obj)
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{
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struct userdata u = { handlers, count, obj };
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return foreach_line_in_file(filename, &u, handle_line);
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}
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