rename project to mdp

[smdp.git] / mdp.c

diff --git a/mdp.c b/mdp.c
new file mode 100644 (file)
index 0000000..0671ab6
--- /dev/null
+++ b/mdp.c
@@ -0,0 +1,76 @@
+#include <errno.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "include/parser.h"
+#include "include/viewer.h"
+
+void usage() {
+    fprintf(stderr, "Usage: mdp [OPTION]... [FILE]\n");
+    fprintf(stderr, "A command-line based markdown presentation tool.\n\n");
+    fprintf(stderr, "  -d, --debug   enable debug messages on STDERR\n");
+    fprintf(stderr, "                add it multiple times to increases debug level\n\n");
+    fprintf(stderr, "  -h, --help    display this help and exit\n");
+    fprintf(stderr, "\nWith no FILE, or when FILE is -, read standard input.\n\n");
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char *argv[]) {
+
+    // define command-line options
+    struct option longopts[] = {
+        { "debug", no_argument, 0, 'd' },
+        { "help",  no_argument, 0, 'h' },
+        { 0, 0, 0, 0 }
+    };
+
+    // parse command-line options
+    int opt, debug = 0;
+    while ((opt = getopt_long(argc, argv, ":dh", longopts, NULL)) != -1) {
+        switch(opt) {
+            case 'd': debug += 1; break;
+            case 'h': usage(); break;
+            case ':': fprintf(stderr, "%s: '%c' requires an argument\n", argv[0], optopt); usage(); break;
+            case '?':
+            default : fprintf(stderr, "%s: option '%c' is invalid\n", argv[0], optopt); usage(); break;
+        }
+    }
+
+    // open file or set input to STDIN
+    char *file;
+    FILE *input;
+    if (optind < argc) {
+        do {
+            file = argv[optind];
+        } while(++optind < argc);
+
+        if(!strcmp(file, "-")) {
+            input = stdin;
+        } else {
+            input = fopen(file,"r");
+            if(!input) {
+                fprintf(stderr, "%s: %s: %s\n", argv[0], file, strerror(errno));
+                exit(EXIT_FAILURE);
+            }
+        }
+    } else {
+        input = stdin;
+    }
+
+    // load deck object from input
+    deck_t *deck;
+    deck = markdown_load(input);
+
+    //TODO close file
+
+    if(debug > 0) {
+        markdown_debug(deck, debug);
+    }
+
+    ncurses_display(deck, 0, 0);
+
+    return(EXIT_SUCCESS);
+}
+