CE add cls command

ce/edit.c

@@ -48,8 +48,9 @@ static const char* string_modes[] = {
     [EDIT_MODE_COMAMND] = "Command",
 };
 
-struct edit_select {
-  struct list_node_link* lines;
+struct edit_command_buf {
+  char buffer[256];
+  size_t len;
 };
 
 struct editor {
@@ -59,10 +60,10 @@ struct editor {
   size_t col_offset;
   size_t row_offset;
   size_t total_lines;
-  struct edit_select select;
   int mode;
   const char* volume;
   const char* path;
+  struct edit_command_buf cmdbuf;
 };
 
 static struct editor editor;
@@ -218,13 +219,14 @@ void edit_start (const char* volume, const char* file_path, const char* text, si
       current_idx++;
     }
 
-    bbptr +=
-        snprintf (bbptr, (backbuffer_max - (bbptr - backbuffer)),
+    char* command_str = (editor.mode == EDIT_MODE_COMAMND) ? editor.cmdbuf.buffer : "";
+
+    bbptr += snprintf (
+        bbptr, (backbuffer_max - (bbptr - backbuffer)),
         ANSIQ_DYN_CUR_SET ANSIQ_SCR_CLR_LINE STATUS_LINE_STYLE
         "%*s" ANSIQ_DYN_CUR_SET
-                  "  Editing %s:%s; line %zu col %zu; Mode: %s" ANSIQ_GR_RESET ANSIQ_DYN_CUR_SET
-                      ANSIQ_CUR_VISIBLE,
-                  (int)rows, 1, (int)cols, "", (int)rows, 1, volume, file_path,
+        " %s | %s:%s | %zu:%zu | Mode: %s" ANSIQ_GR_RESET ANSIQ_DYN_CUR_SET ANSIQ_CUR_VISIBLE,
+        (int)rows, 1, (int)cols, "", (int)rows, 1, command_str, volume, file_path,
         editor.cursor.line + 1, editor.cursor.col + 1, string_modes[editor.mode],
         (int)(editor.cursor.line - editor.row_offset) + 1,
         (int)(editor.cursor.col - editor.col_offset) + 1 + (int)gutter_width);
@@ -299,6 +301,32 @@ void edit_start (const char* volume, const char* file_path, const char* text, si
         editor.cursor.line++;
         editor.current_line = new_line;
         editor.total_lines++;
+      } else if (editor.mode == EDIT_MODE_COMAMND) {
+        if (strcmp (editor.cmdbuf.buffer, "q") == 0) {
+          edit_run = false;
+          editor.mode = EDIT_MODE_NORMAL;
+        } else if (strcmp (editor.cmdbuf.buffer, "w") == 0) {
+          struct filewriter fw;
+          if (!(filewriter_init (&fw, editor.volume, editor.path, FW_CREATE_FILE | FW_APPEND) <
+                0)) {
+            struct list_node_link *line_link, *tmp_line_link;
+            list_foreach (editor.lines, line_link, tmp_line_link) {
+              struct edit_line* line = list_entry (line_link, struct edit_line, lines_link);
+
+              filewriter_write (&fw, (uint8_t*)line->gb.buffer, line->gb.gap_start);
+              filewriter_write (&fw, (uint8_t*)line->gb.buffer + line->gb.gap_end,
+                                line->gb.size - line->gb.gap_end);
+
+              if (line->lines_link.next != NULL)
+                filewriter_write (&fw, (uint8_t*)"\n", 1);
+            }
+
+            filewriter_fini (&fw);
+          }
+          editor.mode = EDIT_MODE_NORMAL;
+        } else {
+          editor.mode = EDIT_MODE_NORMAL;
+        }
       }
     } break;
     case KB_DELETE:
@@ -358,41 +386,23 @@ void edit_start (const char* volume, const char* file_path, const char* text, si
       editor.cursor.col = gapbuffer_length (&editor.current_line->gb);
       break;
     case KB_ESCAPE:
+      if (editor.mode == EDIT_MODE_COMAMND) {
         editor.mode = EDIT_MODE_NORMAL;
+        editor.cmdbuf.len = 0;
+        memset (editor.cmdbuf.buffer, 0, sizeof (editor.cmdbuf.buffer));
+      }
       break;
     case KB_CTRL ('X'):
       editor.mode = EDIT_MODE_COMAMND;
+      editor.cmdbuf.len = 0;
+      memset (editor.cmdbuf.buffer, 0, sizeof (editor.cmdbuf.buffer));
+      break;
     default:
       if (isprint (ch)) {
         if (editor.mode == EDIT_MODE_COMAMND) {
-          switch (ch) {
-          case 'q':
-            edit_run = false;
-            editor.mode = EDIT_MODE_NORMAL;
-            break;
-          case 'w': {
-            struct filewriter fw;
-            if (!(filewriter_init (&fw, editor.volume, editor.path, FW_CREATE_FILE | FW_APPEND) <
-                  0)) {
-              struct list_node_link *line_link, *tmp_line_link;
-              list_foreach (editor.lines, line_link, tmp_line_link) {
-                struct edit_line* line = list_entry (line_link, struct edit_line, lines_link);
-
-                filewriter_write (&fw, (uint8_t*)line->gb.buffer, line->gb.gap_start);
-                filewriter_write (&fw, (uint8_t*)line->gb.buffer + line->gb.gap_end,
-                                  line->gb.size - line->gb.gap_end);
-
-                if (line->lines_link.next != NULL)
-                  filewriter_write (&fw, (uint8_t*)"\n", 1);
-              }
-
-              filewriter_fini (&fw);
-            }
-            editor.mode = EDIT_MODE_NORMAL;
-          } break;
-          default:
-            editor.mode = EDIT_MODE_NORMAL;
-            break;
+          if (editor.cmdbuf.len < sizeof (editor.cmdbuf.buffer) - 1) {
+            editor.cmdbuf.buffer[editor.cmdbuf.len++] = ch;
+            editor.cmdbuf.buffer[editor.cmdbuf.len] = '\0';
           }
         } else if (editor.mode == EDIT_MODE_NORMAL) {
           gapbuffer_move (&editor.current_line->gb, editor.cursor.col);

ce/interp.c

@@ -17,7 +17,9 @@
 #include <str_status.h>
 #include <string.h>
 #include <system.h>
+#include <tcursor.h>
 #include <terminal.h>
+#include <tscreen.h>
 
 static bool run = true;
 
@@ -26,23 +28,16 @@ bool interp_is_running (void) { return run; }
 void interp_shutdown (void) { run = false; }
 
 static void human_size (double size, double* out, char** str) {
-  if (size >= 1024.0f && size < 1024.0f * 1024.0f) {
-    *out = (double)size / 1024.0f;
-    *str = "KiB";
-  } else if (size >= 1024.0f * 1024.0f && size < 1024.0f * 1024.0f * 1024.0f) {
-    *out = (double)size / (1024.0f * 1024.0f);
-    *str = "MiB";
-  } else if (size >= 1024.0f * 1024.0f * 1024.0f && size < 1024.0f * 1024.0f * 1024.0f * 1024.0f) {
-    *out = (double)size / (1024.0f * 1024.0f * 1024.0f);
-    *str = "GiB";
-  } else if (size >= 1024.0f * 1024.0f * 1024.0f * 1024.0f &&
-             size < 1024.0f * 1024.0f * 1024.0f * 1024.0f * 1024.0f) {
-    *out = (double)size / (1024.0f * 1024.0f * 1024.0f * 1024.0f);
-    *str = "TiB";
-  } else {
-    *out = 0.0f;
-    *str = "???";
+  static char* units[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
+
+  size_t i = 0;
+  while (size >= 1024.0 && i < (sizeof (units) / sizeof (units[0])) - 1) {
+    size /= 1024.0;
+    i++;
   }
+
+  *out = size;
+  *str = units[i];
 }
 
 static void echo (struct context* context, char** strings, size_t strings_count) {
@@ -275,6 +270,8 @@ static void quit1 (struct context* context) {
   interp_shutdown ();
 }
 
+static void cls (struct context* context) { cprintf (context, ANSIQ_CUR_HOME ANSIQ_SCR_CLR_ALL); }
+
 static void help (struct context* context) {
   cprintf (context, "Available commands:\n");
   cprintf (context, "help\n");
@@ -286,6 +283,7 @@ static void help (struct context* context) {
   cprintf (context, "rm           <path>\n");
   cprintf (context, "edit         <path>\n");
   cprintf (context, "terminfo\n");
+  cprintf (context, "cls\n");
   cprintf (context, "quit\n");
 }
 
@@ -324,6 +322,8 @@ static void execute_cmd (struct ast_cmd* cmd, struct context* context) {
     edit (context, cmd->args[0]);
   } else if (strcmp (cmd->name, "terminfo") == 0) {
     terminfo (context);
+  } else if (strcmp (cmd->name, "cls") == 0) {
+    cls (context);
   } else {
     char volume[VOLUME_MAX];
     const char* path;