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#define _GNU_SOURCE
#include <ctype.h>
#include <lexer.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
key_match_t *
find_next_key(char *buffer)
{
key_match_t *match = calloc(1, sizeof(key_match_t));
for (size_t i = 0; i < strlen(buffer) - 1; i++) {
if (buffer[i] == '{' && buffer[i + 1] == '{')
match->offset = i;
if (i == strlen(buffer) - 1) {
free(match);
return NULL;
}
}
char *subbuffer = buffer + match->offset;
for (size_t i = 0; i < strlen(subbuffer) - 1; i++) {
if (subbuffer[i] == '}' && subbuffer[i + 1] == '}')
match->length = i + 2;
if (i == strlen(buffer) - 1) {
printf("Unterminated Key\n");
free(match);
return NULL;
}
}
return match;
}
directive_t *
find_directive(char *content, key_match_t *match)
{
directive_t *directive = (directive_t *) calloc(1, sizeof(directive_t));
char *buffer = content + match->offset;
unsigned int n = 0;
for (size_t i = 0; i < match->length; i++)
switch (buffer[i]) {
case '{':
case ' ':
case '\t':
case '\n':
n++;
break;
default:
goto found_start;
}
return NULL;
found_start:
if (strncmp(buffer + n, "include", strlen("include")) == 0) {
directive->type = INCLUDE;
char *operand = NULL;
for (size_t i = n + strlen("include");
i < match->length - strlen("include");
i++)
if (isalnum(buffer[i])) {
sscanf(buffer + i, "%ms\"", &operand);
operand[strlen(operand) - 1] = '\0';
break;
}
asprintf((char **) &directive->operands, "%s", operand);
free(operand);
}
return directive;
}
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