1 files changed, 102 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..40a63bc
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,102 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "bstrlib.h"
+#include "stmd.h"
+#include "debug.h"
+
+void print_usage()
+{
+  printf("Usage:   stmd [FILE*]\n");
+  printf("Options: --help, -h    Print usage information\n");
+  printf("         --ast         Print AST instead of HTML\n");
+  printf("         --version     Print version\n");
+}
+
+int main(int argc, char *argv[]) {
+  int i;
+  bool ast = false;
+  int g = 0;
+  int numfps = 0;
+  int files[argc];
+
+  for (i=1; i < argc; i++) {
+    if (strcmp(argv[i], "--version") == 0) {
+      printf("stmd %s", VERSION);
+      printf(" - standard markdown converter (c) 2014 John MacFarlane\n");
+      exit(0);
+    } else if ((strcmp(argv[i], "--help") == 0) ||
+               (strcmp(argv[i], "-h") == 0)) {
+      print_usage();
+      exit(0);
+    } else if (strcmp(argv[i], "--ast") == 0) {
+      ast = true;
+    } else if (*argv[i] == '-') {
+      print_usage();
+      exit(1);
+    } else { // treat as file argument
+      files[g] = i;
+      g++;
+    }
+  }
+
+  numfps = g;
+  bstring s = NULL;
+  bstring html;
+  g = 0;
+  block * cur = make_document();
+  int linenum = 1;
+  extern int errno;
+  FILE * fp = NULL;
+
+  if (numfps == 0) {
+    // read from stdin
+    while ((s = bgets((bNgetc) fgetc, stdin, '\n'))) {
+      check(incorporate_line(s, linenum, &cur) == 0,
+          "error incorporating line %d", linenum);
+      bdestroy(s);
+      linenum++;
+    }
+  } else {
+    // iterate over input file pointers
+    for (g=0; g < numfps; g++) {
+
+      fp = fopen(argv[files[g]], "r");
+      if (fp == NULL) {
+        fprintf(stderr, "Error opening file %s: %s\n",
+                argv[files[g]], strerror(errno));
+        exit(1);
+      }
+
+      struct bStream *stream = bsopen((bNread)fread, fp);
+      if (stream == NULL) {
+        printf("Error opening stream\n");
+      }
+      while (bsreadln(s, stream, '\n') != BSTR_ERR) {
+        check(incorporate_line(s, linenum, &cur) == 0,
+              "error incorporating line %d of %s", linenum, argv[files[g]]);
+        linenum++;
+      }
+      bsclose(stream);
+    }
+  }
+
+  while (cur != cur->top) {
+    finalize(cur, linenum);
+    cur = cur->parent;
+  }
+  check(cur == cur->top, "problems finalizing open containers");
+  finalize(cur, linenum);
+  process_inlines(cur, cur->attributes.refmap);
+  if (ast) {
+    print_blocks(cur, 0);
+  } else {
+    check(blocks_to_html(cur, &html, false) == 0, "could not format as HTML");
+    printf("%s", html->data);
+    bdestroy(html);
+  }
+  free_blocks(cur);
+  return 0;
+error:
+  return -1;
+}
+