77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
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#ifndef TEXTPROC_H
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#define TEXTPROC_H
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#include <ctype.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#define MAX_FIELDS 16
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static int glob(const char* pattern, const char* text) {
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const char* star = NULL;
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const char* restart = text;
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while (*text) {
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if (*pattern == *text || *pattern == '?')
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pattern++, text++;
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else if (*pattern == '*')
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star = ++pattern, restart = text;
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else if (star)
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pattern = star, text = ++restart;
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else
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return 0;
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}
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while (*pattern == '*')
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pattern++;
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return (*pattern == '\0');
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}
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static char* trimLeft(char* line) {
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for (; *line && isspace(*line); ++line);
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return line;
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}
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static void trimRight(char* line) {
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char* last = line;
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for (; *line; ++line)
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if (!isspace(*line))
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last = line + 1;
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*last = '\0';
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}
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static void trimComment(char* line) {
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char* separator = strchr(line, '#');
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if (separator) *separator = '\0';
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}
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static char* trim(char* line) {
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trimRight(line);
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return trimLeft(line);
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}
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static size_t fieldParse(char* line, char** fields, char separator) {
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size_t index = 0;
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do {
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fields[index] = line;
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if ((line = strchr(line, separator)))
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*(line++) = '\0';
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fields[index] = trim(fields[index]);
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index++;
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} while (line && index < MAX_FIELDS);
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return index;
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}
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static int processLine(FILE* in, char* line, size_t size, char** fields) {
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if (!fgets(line, size, in))
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return 0;
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trimComment(line);
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return fieldParse(line, fields, ';');
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}
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#endif /* TEXTPROC_H */
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