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#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "format.h"
#include "any_log.h"
#include "util.h"
format_status_t format_init(format_t *format, const char *string, char delim, const format_pair_t *pairs)
{
format_status_t status = FORMAT_SUCCESS;
char **parts = NULL;
size_t length = 0, n = 0;
size_t start = 0, end = 0;
size_t i = 0;
while (string[i] != '\0') {
if (string[i] == delim) {
// TODO
//if (string[i + 1] == delim) {
//}
if (string[i + 1] == '{') {
if (start != end) {
parts = realloc(parts, ++length * sizeof(char **));
parts[n++] = strslice(string, start, end);
}
start = end = i + 2;
while (string[end] != '}') {
if (string[end] == '\0') {
status = FORMAT_UNTERMINATED;
goto clean;
}
if (string[end] == '$' && string[end + 1] == '{') {
status = FORMAT_NESTED;
goto clean;
}
end++;
}
size_t l = end - start;
size_t next = --end;
while (start <= end && isspace(string[start])) start++, l--;
while (start <= end && isspace(string[end])) end--, l--;
log_info("%c'", string[end]);
log_info("'%.*s'", (int)l, string + start);
for (size_t p = 0; pairs[p].action != FORMAT_NONE; p++) {
if (pairs[p].key == NULL ||
(strlen(pairs[p].key) == l && !strncmp(string + start, pairs[p].key, l))) {
parts = realloc(parts, ++length * sizeof(char **));
switch (pairs[p].action) {
case FORMAT_STRING:
parts[n++] = strcopy(pairs[p].value);
break;
case FORMAT_BYTE:
parts[n++] = (char *)(uintptr_t)pairs[p].byte;
break;
case FORMAT_FUNCTION:
if (pairs[p].key == NULL) {
char *key = strslice(string, start, l + start);
parts[n++] = pairs[p].fn(key);
free(key);
} else
parts[n++] = pairs[p].fn(pairs[p].key);
break;
default:
unreachable();
}
start = i = ++next;
goto next;
}
}
status = FORMAT_UNKNOWN;
goto clean;
}
}
end = i++;
next:
}
if (string[end] != '\0') {
while (string[end] != '\0') end++;
parts = realloc(parts, ++length * sizeof(char **));
parts[n++] = strslice(string, start, end);
}
format->parts = parts;
format->length = n;
return status;
clean:
for (size_t i = 0; i < length; i++) {
// XXX: Ugly and probably will explode
if ((uintptr_t)parts[i] > UINT8_MAX)
free(parts[i]);
}
free(parts);
return status;
}
void format_free(format_t *format)
{
free(format->parts);
}
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