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#include <ctype.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
typedef enum mode {
NONE,
LIST,
} mode;
typedef enum types {
HEADING,
DATE,
TODO,
BULLET,
} types;
typedef struct token {
char data[256];
types type;
} token;
mode m = NONE;
token tokens[1024];
int tokcount = 0;
void eprint(char *msg) {
fprintf(stderr, "error: %s\n", msg);
exit(1);
}
void printashtml(token t) {
char *start, *end;
switch (t.type) {
case HEADING: start = "<h1>"; end = "</h1>"; break;
case DATE: start = "<h2>"; end = "</h2>"; break;
case TODO: start = "<h3>"; end = "</h3>"; break;
case BULLET: start = "<p>"; end = "</p>"; break;
}
printf("%s%s%s\n", start, t.data, end);
}
char *stripwhitespace(char *expr) {
while (isblank(expr[0])) expr++;
while (isblank(expr[strlen(expr) - 1])) expr[strlen(expr) - 1] = 0;
return expr;
}
int readuntil(char *file, int off, char end, types t) {
int j = 0;
char tok[256];
off++;
while (file[off] != end) {
if (file[off] == 0) eprint("Never closed expression!") ;
tok[j] = file[off];
off++;
j++;
}
tok[j] = 0;
memcpy(tokens[tokcount].data, stripwhitespace(tok), 256);
tokens[tokcount].type = t;
tokcount++;
return off;
}
int main(int argc, char **argv) {
for (int i = 0; i < argc && argc != 1; i++) {
if (strcmp(argv[i], "-l") == 0) m = LIST;
}
char file[INT16_MAX];
int i;
char c;
while ((c = getchar()) != EOF) {
file[i] = c;
i++;
}
file[i] = 0;
for (i = 0; i < strlen(file); i++) {
switch (file[i]) {
case '*': i = readuntil(file, i, '*', HEADING); break;
case '[': i = readuntil(file, i, ']', DATE); break;
case '{': i = readuntil(file, i, '}', TODO); break;
case '-': i = readuntil(file, i, '\n', BULLET); break;
}
}
switch (m) {
case LIST:
for (int i = 0; i < tokcount; i++)
if (tokens[i].type == HEADING) printf("%s\n", tokens[i].data);
break;
case NONE: return 0;
}
return 0;
}
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