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#include <ctype.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "tokens.h"
#include "output.h"
#include "util.h"
typedef enum mode {
NONE = 0,
LIST = 1,
CHECK = 2,
OUTPUT = 4,
PRETTY = 8,
} mode;
typedef enum outputformats {
GOATNOTE,
HTML,
GROFF,
TEXT,
} outputformats;
outputformats outputformat;
mode m = NONE;
token tokens[1024];
int tokcount = 0;
char *header = NULL, *footer = NULL;
char *stripwhitespace(char *expr) {
while (isblank(expr[0])) expr++;
while (isblank(expr[strlen(expr) - 1])) expr[strlen(expr) - 1] = 0;
return expr;
}
void formatcheck() {
types prev = NIL;
for (int i = 0; i < tokcount; i++) {
switch (prev) {
case NIL:
if (tokens[i].type != HEADING) eprint("Expected heading!");
break;
case HEADING:
if (tokens[i].type != DATE) eprint("Expected date");
break;
case DATE:
if (tokens[i].type != TODO) eprint("Expected todo|done marker");
break;
}
prev = tokens[i].type;
}
}
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;
}
void usage() {
fprintf(stderr,
"usage: gn [-l -c -o format -p -H header -F footer -h] < note.gn\n"
);
exit(1);
}
int main(int argc, char **argv) {
for (int i = 1; i < argc && argc != 1; i++) {
if (strcmp(argv[i], "-l") == 0) m |= LIST;
else if (strcmp(argv[i], "-c") == 0) m |= CHECK;
else if (strcmp(argv[i], "-o") == 0) {
i++;
if (!(i < argc)) eprint("expecet additional argument after -o!") ;
if (strcmp(argv[i], "goatnote") == 0) outputformat = GOATNOTE;
else if (strcmp(argv[i], "html") == 0) outputformat = HTML;
else if (strcmp(argv[i], "groff") == 0) outputformat = GROFF;
else if (strcmp(argv[i], "text") == 0) outputformat = TEXT;
m |= OUTPUT;
}
else if (strcmp(argv[i], "-p") == 0) m |= PRETTY;
else if (strcmp(argv[i], "-H") == 0) {
i++;
if (!(i < argc)) eprint("expecet additional argument after -H!");
header = argv[i];
}
else if (strcmp(argv[i], "-F") == 0) {
i++;
if (!(i < argc)) eprint("expecet additional argument after -F!");
footer = argv[i];
}
else if (strcmp(argv[i], "-h") == 0) usage();
else usage();
}
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;
case ' ':
case '\n':
case '\t':
break;
default:
eprint("unknown char found!");
}
}
if (header != NULL) printf("%s\n", header);
if ((m & LIST) == LIST) {
formatcheck();
for (int i = 0; i < tokcount; i++) {
if (tokens[i].type == HEADING) {
if ((m & PRETTY) == PRETTY)
printf("\e[1m%s\e[0m \e[4m%s\e[0m \e[2m%s\e[0m\n", tokens[i].data, tokens[i+1].data, tokens[i+2].data);
else
printf("%s %s %s\n", tokens[i].data, tokens[i+1].data, tokens[i+2].data);
i += 2;
}
}
}
if ((m & CHECK) == CHECK) {
formatcheck();
}
if ((m & OUTPUT) == OUTPUT) {
formatcheck();
for (int i = 0; i < tokcount; i++){
switch (outputformat) {
case HTML: printashtml(tokens[i]); break;
case GOATNOTE: printasgn(tokens[i]); break;
case GROFF: printasgroff(tokens[i]); break;
case TEXT: printastext(tokens[i]); break;
}
}
}
if (footer != NULL) printf("%s\n", footer);
return 0;
}
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