X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=src%2Fparser.c;h=04a0b490f6ed2be7cfafc0d1ea9d33c09e36f02d;hb=2669a43752c6d8386826a1d96fa64c42d9cc77b9;hp=c04faccf8ec2af3801698aa9959442908854eedd;hpb=a1d883fc5b7acbf45fdc80a7806b4d4c21fdcd1f;p=smdp.git

diff --git a/src/parser.c b/src/parser.c
index c04facc..04a0b49 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -22,8 +22,10 @@
  */
 
 #include <ctype.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "parser.h"
 
@@ -34,20 +36,21 @@ deck_t *markdown_load(FILE *input) {
     int l = 0;    // line length
     int hc = 0;   // header count
     int lc = 0;   // line count
-    int sc = 0;   // slide count
+    int sc = 1;   // slide count
     int bits = 0; // markdown bits
 
     deck_t *deck = new_deck();
-    slide_t *slide = new_slide();
+    slide_t *slide = deck->slide;
     line_t *line = NULL;
     line_t *tmp = NULL;
     cstring_t *text = cstring_init();
 
-    // assign first slide to deck
-    deck->slide = slide;
-    sc++;
-
     while ((c = fgetc(input)) != EOF) {
+        if (ferror(input)) {
+            fprintf(stderr, "markdown_load() failed to read input: %s\n", strerror(errno));
+            exit(EXIT_FAILURE);
+        }
+
         if(c == '\n') {
 
             // markdown analyse
@@ -266,7 +269,7 @@ deck_t *markdown_load(FILE *input) {
                     }
                     tmp = tmp->next;
                 }
-                
+
                 for(tmp = line; tmp != list_last_level_1; tmp = tmp->next) {
                     SET_BIT(tmp->bits, IS_UNORDERED_LIST_1);
                 }
@@ -337,12 +340,12 @@ int markdown_analyse(cstring_t *text) {
                     case 3: SET_BIT(bits, IS_UNORDERED_LIST_3); break;
                     default: break;
                 }
-                
+
                 break;
             }
         }
     }
-    
+
     if(!CHECK_BIT(bits, IS_UNORDERED_LIST_1) &&
        !CHECK_BIT(bits, IS_UNORDERED_LIST_2) &&
        !CHECK_BIT(bits, IS_UNORDERED_LIST_3)) {
@@ -501,6 +504,13 @@ int next_nonblank(cstring_t *text, int i) {
     return i;
 }
 
+int prev_blank(cstring_t *text, int i) {
+    while ((i > 0) && !isspace((unsigned char) (text->text)[i]))
+        i--;
+
+    return i;
+}
+
 int next_blank(cstring_t *text, int i) {
     while ((i < text->size) && !isspace((unsigned char) (text->text)[i]))
         i++;
@@ -511,4 +521,3 @@ int next_blank(cstring_t *text, int i) {
 int next_word(cstring_t *text, int i) {
     return next_nonblank(text, next_blank(text, i));
 }
-