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commit 08b333b4d946cea270a2d864335c0bdf1d5676d5
parent 7ab113c2bfc7b4114f11cd517cd9a39db17e07f2
Author: rexim <reximkut@gmail.com>
Date:   Fri,  2 Jul 2021 21:31:04 +0700

Implement debug saving to file

Diffstat:
M
editor.c
 | 
19
+++++++++++++++++++
M
editor.h
 | 
1
+
M
main.c
 | 
17
++++++-----------

3 files changed, 26 insertions(+), 11 deletions(-)
diff --git a/editor.c b/editor.c
@@ -1,6 +1,8 @@
 #include <assert.h>
 #include <string.h>
 #include <stdbool.h>
+#include <stdio.h>
+#include <errno.h>
 #include "./editor.h"
 
 #define LINE_INIT_CAPACITY 1024
@@ -163,3 +165,20 @@ const char *editor_char_under_cursor(const Editor *editor)
     }
     return NULL;
 }
+
+void editor_save_to_file(const Editor *editor, const char *file_path)
+{
+    FILE *f = fopen(file_path, "w");
+    if (f == NULL) {
+        fprintf(stdout, "ERROR: could not open file `%s`: %s\n",
+                file_path, strerror(errno));
+        exit(1);
+    }
+
+    for (size_t row = 0; row < editor->size; ++row) {
+        fwrite(editor->lines[row].chars, 1, editor->lines[row].size, f);
+        fputc('\n', f);
+    }
+
+    fclose(f);
+}
diff --git a/editor.h b/editor.h
@@ -21,6 +21,7 @@ typedef struct {
     size_t cursor_col;
 } Editor;
 
+void editor_save_to_file(const Editor *editor, const char *file_path);
 void editor_insert_text_before_cursor(Editor *editor, const char *text);
 void editor_insert_new_line(Editor *editor);
 void editor_backspace(Editor *editor);
diff --git a/main.c b/main.c
@@ -169,27 +169,18 @@ void render_cursor(SDL_Renderer *renderer, const Font *font)
     }
 }
 
-// TODO: Multiple lines
 // TODO: Save/Load file
 // TODO: Jump forward/backward by a word
 // TODO: Delete a word
 // TODO: Blinking cursor
+// TODO: Delete line
+// TODO: Split the line on Enter
 
 int main(int argc, char **argv)
 {
     (void) argc;
     (void) argv;
 
-    editor_insert_text_before_cursor(&editor, "dhjfhskjdfhkjshdf");
-    editor_insert_new_line(&editor);
-    editor_insert_text_before_cursor(&editor, "3j4k23l4j");
-    editor_insert_new_line(&editor);
-    editor_insert_text_before_cursor(&editor, "456kj356klj35l6j");
-    editor_insert_new_line(&editor);
-    editor_insert_text_before_cursor(&editor, "46jkl45jkljclslkj");
-    editor_insert_new_line(&editor);
-    editor_insert_text_before_cursor(&editor, "tjk5kfkdjgk");
-
     scc(SDL_Init(SDL_INIT_VIDEO));
 
     SDL_Window *window =
@@ -219,6 +210,10 @@ int main(int argc, char **argv)
                 }
                 break;
 
+                case SDLK_F2: {
+                    editor_save_to_file(&editor, "output");
+                } break;
+
                 case SDLK_RETURN: {
                     editor_insert_new_line(&editor);
                 } break;