From a123725a12e948d78badb2cb686d38548f1c633b Mon Sep 17 00:00:00 2001
From: Albert Cervin <albert@acervin.com>
Date: Thu, 6 Apr 2023 23:23:46 +0200
Subject: Implement window handling

Also implement searching.

fix undo boundaries

when it checked for other save point, it used && instead of == which
caused it to overwrite other types.

Fix bytes vs chars bug in text_get_region
---
 src/command.c | 175 ----------------------------------------------------------
 1 file changed, 175 deletions(-)
 delete mode 100644 src/command.c

(limited to 'src/command.c')

diff --git a/src/command.c b/src/command.c
deleted file mode 100644
index 65543a0..0000000
--- a/src/command.c
+++ /dev/null
@@ -1,175 +0,0 @@
-#include "command.h"
-#include "buffer.h"
-#include "buffers.h"
-#include "hash.h"
-#include "hashmap.h"
-#include "minibuffer.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-
-struct commands command_registry_create(uint32_t capacity) {
-
-  struct commands cmds = {0};
-  HASHMAP_INIT(&cmds.commands, capacity, hash_name);
-  return cmds;
-}
-
-void command_registry_destroy(struct commands *commands) {
-  HASHMAP_DESTROY(&commands->commands);
-}
-
-uint32_t register_command(struct commands *commands, struct command command) {
-  uint32_t hash = 0;
-  HASHMAP_INSERT(&commands->commands, struct command_entry, command.name,
-                 command, hash);
-  return hash;
-}
-
-void register_commands(struct commands *command_list, struct command *commands,
-                       uint32_t ncommands) {
-  for (uint32_t ci = 0; ci < ncommands; ++ci) {
-    register_command(command_list, commands[ci]);
-  }
-}
-
-struct command *lookup_command(struct commands *command_list,
-                               const char *name) {
-  HASHMAP_GET(&command_list->commands, struct command_entry, name,
-              struct command * command);
-  return command;
-}
-
-struct command *lookup_command_by_hash(struct commands *commands,
-                                       uint32_t hash) {
-  HASHMAP_GET_BY_HASH(&commands->commands, struct command_entry, hash,
-                      struct command * command);
-  return command;
-}
-
-int32_t execute_command(struct command *command, struct commands *commands,
-                        struct window *active_window, struct buffers *buffers,
-                        int argc, const char *argv[]) {
-
-  return command->fn(
-      (struct command_ctx){
-          .buffers = buffers,
-          .active_window = active_window,
-          .userdata = command->userdata,
-          .commands = commands,
-          .self = command,
-          .saved_argv = {0},
-          .saved_argc = 0,
-      },
-      argc, argv);
-}
-
-void command_ctx_push_arg(struct command_ctx *ctx, const char *argv) {
-  if (ctx->saved_argc < 64) {
-    ctx->saved_argv[ctx->saved_argc] = strdup(argv);
-    ++ctx->saved_argc;
-  }
-}
-
-void command_ctx_free(struct command_ctx *ctx) {
-  for (uint32_t i = 0; i < ctx->saved_argc; ++i) {
-    free((char *)ctx->saved_argv[i]);
-  }
-
-  ctx->saved_argc = 0;
-}
-
-int32_t find_file(struct command_ctx ctx, int argc, const char *argv[]) {
-  const char *pth = NULL;
-  if (argc == 0) {
-    return minibuffer_prompt(ctx, "find file: ");
-  }
-
-  pth = argv[0];
-  struct stat sb;
-  if (stat(pth, &sb) < 0 && errno != ENOENT) {
-    minibuffer_echo("stat on %s failed: %s", pth, strerror(errno));
-    return 1;
-  }
-
-  if (S_ISDIR(sb.st_mode) && errno != ENOENT) {
-    minibuffer_echo("TODO: implement dired!");
-    return 1;
-  }
-
-  window_set_buffer(ctx.active_window,
-                    buffers_add(ctx.buffers, buffer_from_file((char *)pth)));
-  minibuffer_echo_timeout(4, "buffer \"%s\" loaded",
-                          ctx.active_window->buffer->name);
-
-  return 0;
-}
-
-int32_t write_file(struct command_ctx ctx, int argc, const char *argv[]) {
-  const char *pth = NULL;
-  if (argc == 0) {
-    return minibuffer_prompt(ctx, "write to file: ");
-  }
-
-  pth = argv[0];
-  buffer_write_to(ctx.active_window->buffer, pth);
-
-  return 0;
-}
-
-int32_t run_interactive(struct command_ctx ctx, int argc, const char *argv[]) {
-  if (argc == 0) {
-    return minibuffer_prompt(ctx, "execute: ");
-  }
-
-  struct command *cmd = lookup_command(ctx.commands, argv[0]);
-  if (cmd != NULL) {
-    return execute_command(cmd, ctx.commands, ctx.active_window, ctx.buffers,
-                           argc - 1, argv + 1);
-  } else {
-    minibuffer_echo_timeout(4, "command %s not found", argv[0]);
-    return 11;
-  }
-}
-
-int32_t do_switch_buffer(struct command_ctx ctx, int argc, const char *argv[]) {
-  const char *bufname = argv[0];
-  if (argc == 0) {
-    // switch back to prev buffer
-    if (ctx.active_window->prev_buffer != NULL) {
-      bufname = ctx.active_window->prev_buffer->name;
-    } else {
-      return 0;
-    }
-  }
-
-  struct buffer *buf = buffers_find(ctx.buffers, bufname);
-
-  if (buf == NULL) {
-    minibuffer_echo_timeout(4, "buffer %s not found", bufname);
-    return 1;
-  } else {
-    window_set_buffer(ctx.active_window, buf);
-    return 0;
-  }
-}
-
-static struct command do_switch_buffer_cmd = {.fn = do_switch_buffer,
-                                              .name = "do-switch-buffer"};
-
-int32_t switch_buffer(struct command_ctx ctx, int argc, const char *argv[]) {
-  if (argc == 0) {
-    ctx.self = &do_switch_buffer_cmd;
-    if (ctx.active_window->prev_buffer != NULL) {
-      return minibuffer_prompt(
-          ctx, "buffer (default %s): ", ctx.active_window->prev_buffer->name);
-    } else {
-      return minibuffer_prompt(ctx, "buffer: ");
-    }
-  }
-
-  return execute_command(&do_switch_buffer_cmd, ctx.commands, ctx.active_window,
-                         ctx.buffers, argc, argv);
-}
-- 
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